da7219-aad.c (6f84981772535e670e4e2df051a672af229b6694) da7219-aad.c (7fde88eda855952766a74026c181c6270b3392fc)
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * da7219-aad.c - Dialog DA7219 ALSA SoC AAD Driver
4 *
5 * Copyright (c) 2015 Dialog Semiconductor Ltd.
6 *
7 * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
8 */

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334 * Only send report if jack hasn't been removed during process,
335 * otherwise it's invalid and we drop it.
336 */
337 if (da7219_aad->jack_inserted)
338 snd_soc_jack_report(da7219_aad->jack, report,
339 SND_JACK_HEADSET | SND_JACK_LINEOUT);
340}
341
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * da7219-aad.c - Dialog DA7219 ALSA SoC AAD Driver
4 *
5 * Copyright (c) 2015 Dialog Semiconductor Ltd.
6 *
7 * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
8 */

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334 * Only send report if jack hasn't been removed during process,
335 * otherwise it's invalid and we drop it.
336 */
337 if (da7219_aad->jack_inserted)
338 snd_soc_jack_report(da7219_aad->jack, report,
339 SND_JACK_HEADSET | SND_JACK_LINEOUT);
340}
341
342static void da7219_aad_jack_det_work(struct work_struct *work)
343{
344 struct da7219_aad_priv *da7219_aad =
345 container_of(work, struct da7219_aad_priv, jack_det_work);
346 struct snd_soc_component *component = da7219_aad->component;
347 u8 srm_st;
342
348
349 mutex_lock(&da7219_aad->jack_det_mutex);
350
351 srm_st = snd_soc_component_read(component, DA7219_PLL_SRM_STS) & DA7219_PLL_SRM_STS_MCLK;
352 msleep(da7219_aad->gnd_switch_delay * ((srm_st == 0x0) ? 2 : 1) - 4);
353 /* Enable ground switch */
354 snd_soc_component_update_bits(component, 0xFB, 0x01, 0x01);
355
356 mutex_unlock(&da7219_aad->jack_det_mutex);
357}
358
359
343/*
344 * IRQ
345 */
346
360/*
361 * IRQ
362 */
363
364static irqreturn_t da7219_aad_pre_irq_thread(int irq, void *data)
365{
366
367 struct da7219_aad_priv *da7219_aad = data;
368
369 if (!da7219_aad->jack_inserted)
370 schedule_work(&da7219_aad->jack_det_work);
371
372 return IRQ_WAKE_THREAD;
373}
374
347static irqreturn_t da7219_aad_irq_thread(int irq, void *data)
348{
349 struct da7219_aad_priv *da7219_aad = data;
350 struct snd_soc_component *component = da7219_aad->component;
351 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
352 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
353 u8 events[DA7219_AAD_IRQ_REG_MAX];
375static irqreturn_t da7219_aad_irq_thread(int irq, void *data)
376{
377 struct da7219_aad_priv *da7219_aad = data;
378 struct snd_soc_component *component = da7219_aad->component;
379 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
380 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
381 u8 events[DA7219_AAD_IRQ_REG_MAX];
354 u8 statusa, srm_st;
382 u8 statusa;
355 int i, report = 0, mask = 0;
356
383 int i, report = 0, mask = 0;
384
357 srm_st = snd_soc_component_read(component, DA7219_PLL_SRM_STS) & DA7219_PLL_SRM_STS_MCLK;
358 msleep(da7219_aad->gnd_switch_delay * ((srm_st == 0x0) ? 2 : 1) - 4);
359 /* Enable ground switch */
360 snd_soc_component_update_bits(component, 0xFB, 0x01, 0x01);
361
362 /* Read current IRQ events */
363 regmap_bulk_read(da7219->regmap, DA7219_ACCDET_IRQ_EVENT_A,
364 events, DA7219_AAD_IRQ_REG_MAX);
365
366 if (!events[DA7219_AAD_IRQ_REG_A] && !events[DA7219_AAD_IRQ_REG_B])
367 return IRQ_NONE;
368
369 /* Read status register for jack insertion & type status */
370 statusa = snd_soc_component_read(component, DA7219_ACCDET_STATUS_A);
371
372 /* Clear events */
373 regmap_bulk_write(da7219->regmap, DA7219_ACCDET_IRQ_EVENT_A,
374 events, DA7219_AAD_IRQ_REG_MAX);
375
376 dev_dbg(component->dev, "IRQ events = 0x%x|0x%x, status = 0x%x\n",
377 events[DA7219_AAD_IRQ_REG_A], events[DA7219_AAD_IRQ_REG_B],
378 statusa);
379
385 /* Read current IRQ events */
386 regmap_bulk_read(da7219->regmap, DA7219_ACCDET_IRQ_EVENT_A,
387 events, DA7219_AAD_IRQ_REG_MAX);
388
389 if (!events[DA7219_AAD_IRQ_REG_A] && !events[DA7219_AAD_IRQ_REG_B])
390 return IRQ_NONE;
391
392 /* Read status register for jack insertion & type status */
393 statusa = snd_soc_component_read(component, DA7219_ACCDET_STATUS_A);
394
395 /* Clear events */
396 regmap_bulk_write(da7219->regmap, DA7219_ACCDET_IRQ_EVENT_A,
397 events, DA7219_AAD_IRQ_REG_MAX);
398
399 dev_dbg(component->dev, "IRQ events = 0x%x|0x%x, status = 0x%x\n",
400 events[DA7219_AAD_IRQ_REG_A], events[DA7219_AAD_IRQ_REG_B],
401 statusa);
402
403 if (!da7219_aad->jack_inserted)
404 cancel_work_sync(&da7219_aad->jack_det_work);
405
380 if (statusa & DA7219_JACK_INSERTION_STS_MASK) {
381 /* Jack Insertion */
382 if (events[DA7219_AAD_IRQ_REG_A] &
383 DA7219_E_JACK_INSERTED_MASK) {
384 report |= SND_JACK_MECHANICAL;
385 mask |= SND_JACK_MECHANICAL;
386 da7219_aad->jack_inserted = true;
387 }

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935 da7219_aad_handle_pdata(component);
936
937 /* Disable button detection */
938 snd_soc_component_update_bits(component, DA7219_ACCDET_CONFIG_1,
939 DA7219_BUTTON_CONFIG_MASK, 0);
940
941 INIT_WORK(&da7219_aad->btn_det_work, da7219_aad_btn_det_work);
942 INIT_WORK(&da7219_aad->hptest_work, da7219_aad_hptest_work);
406 if (statusa & DA7219_JACK_INSERTION_STS_MASK) {
407 /* Jack Insertion */
408 if (events[DA7219_AAD_IRQ_REG_A] &
409 DA7219_E_JACK_INSERTED_MASK) {
410 report |= SND_JACK_MECHANICAL;
411 mask |= SND_JACK_MECHANICAL;
412 da7219_aad->jack_inserted = true;
413 }

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961 da7219_aad_handle_pdata(component);
962
963 /* Disable button detection */
964 snd_soc_component_update_bits(component, DA7219_ACCDET_CONFIG_1,
965 DA7219_BUTTON_CONFIG_MASK, 0);
966
967 INIT_WORK(&da7219_aad->btn_det_work, da7219_aad_btn_det_work);
968 INIT_WORK(&da7219_aad->hptest_work, da7219_aad_hptest_work);
969 INIT_WORK(&da7219_aad->jack_det_work, da7219_aad_jack_det_work);
943
970
944 ret = request_threaded_irq(da7219_aad->irq, NULL,
971 ret = request_threaded_irq(da7219_aad->irq, da7219_aad_pre_irq_thread,
945 da7219_aad_irq_thread,
946 IRQF_TRIGGER_LOW | IRQF_ONESHOT,
947 "da7219-aad", da7219_aad);
948 if (ret) {
949 dev_err(component->dev, "Failed to request IRQ: %d\n", ret);
950 return ret;
951 }
952

--- 53 unchanged lines hidden --- 		972 da7219_aad_irq_thread,
973 IRQF_TRIGGER_LOW | IRQF_ONESHOT,
974 "da7219-aad", da7219_aad);
975 if (ret) {
976 dev_err(component->dev, "Failed to request IRQ: %d\n", ret);
977 return ret;
978 }
979

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