cs42l42.c (0fad605fb0bdc00d8ad78696300ff2fbdee6e048) cs42l42.c (c9f2e3c3ddab87d93cde99f6da10dd00c1d1edb9)
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * cs42l42.c -- CS42L42 ALSA SoC audio driver
4 *
5 * Copyright 2016 Cirrus Logic, Inc.
6 *
7 * Author: James Schulman <james.schulman@cirrus.com>
8 * Author: Brian Austin <brian.austin@cirrus.com>

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14#include <linux/version.h>
15#include <linux/kernel.h>
16#include <linux/init.h>
17#include <linux/delay.h>
18#include <linux/i2c.h>
19#include <linux/gpio.h>
20#include <linux/regmap.h>
21#include <linux/slab.h>
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * cs42l42.c -- CS42L42 ALSA SoC audio driver
4 *
5 * Copyright 2016 Cirrus Logic, Inc.
6 *
7 * Author: James Schulman <james.schulman@cirrus.com>
8 * Author: Brian Austin <brian.austin@cirrus.com>

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14#include <linux/version.h>
15#include <linux/kernel.h>
16#include <linux/init.h>
17#include <linux/delay.h>
18#include <linux/i2c.h>
19#include <linux/gpio.h>
20#include <linux/regmap.h>
21#include <linux/slab.h>
22#include <linux/acpi.h>
22#include <linux/platform_device.h>
23#include <linux/platform_device.h>
24#include <linux/property.h>
23#include <linux/regulator/consumer.h>
24#include <linux/gpio/consumer.h>
25#include <linux/regulator/consumer.h>
26#include <linux/gpio/consumer.h>
25#include <linux/of.h>
26#include <linux/of_gpio.h>
27#include <linux/of_device.h>
28#include <linux/pm_runtime.h>
29#include <sound/core.h>
30#include <sound/pcm.h>
31#include <sound/pcm_params.h>
32#include <sound/soc.h>
33#include <sound/soc-dapm.h>
34#include <sound/initval.h>
35#include <sound/tlv.h>
36#include <dt-bindings/sound/cs42l42.h>
37
38#include "cs42l42.h"
27#include <linux/of_device.h>
28#include <linux/pm_runtime.h>
29#include <sound/core.h>
30#include <sound/pcm.h>
31#include <sound/pcm_params.h>
32#include <sound/soc.h>
33#include <sound/soc-dapm.h>
34#include <sound/initval.h>
35#include <sound/tlv.h>
36#include <dt-bindings/sound/cs42l42.h>
37
38#include "cs42l42.h"
39#include "cirrus_legacy.h"
39
40static const struct reg_default cs42l42_reg_defaults[] = {
41 { CS42L42_FRZ_CTL, 0x00 },
42 { CS42L42_SRC_CTL, 0x10 },
43 { CS42L42_MCLK_STATUS, 0x02 },
44 { CS42L42_MCLK_CTL, 0x02 },
45 { CS42L42_SFTRAMP_RATE, 0xA4 },
46 { CS42L42_I2C_DEBOUNCE, 0x88 },

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394
395 .ranges = &cs42l42_page_range,
396 .num_ranges = 1,
397
398 .max_register = CS42L42_MAX_REGISTER,
399 .reg_defaults = cs42l42_reg_defaults,
400 .num_reg_defaults = ARRAY_SIZE(cs42l42_reg_defaults),
401 .cache_type = REGCACHE_RBTREE,
40
41static const struct reg_default cs42l42_reg_defaults[] = {
42 { CS42L42_FRZ_CTL, 0x00 },
43 { CS42L42_SRC_CTL, 0x10 },
44 { CS42L42_MCLK_STATUS, 0x02 },
45 { CS42L42_MCLK_CTL, 0x02 },
46 { CS42L42_SFTRAMP_RATE, 0xA4 },
47 { CS42L42_I2C_DEBOUNCE, 0x88 },

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395
396 .ranges = &cs42l42_page_range,
397 .num_ranges = 1,
398
399 .max_register = CS42L42_MAX_REGISTER,
400 .reg_defaults = cs42l42_reg_defaults,
401 .num_reg_defaults = ARRAY_SIZE(cs42l42_reg_defaults),
402 .cache_type = REGCACHE_RBTREE,
402
403 .use_single_read = true,
404 .use_single_write = true,
405};
406
407static DECLARE_TLV_DB_SCALE(adc_tlv, -9600, 100, false);
408static DECLARE_TLV_DB_SCALE(mixer_tlv, -6300, 100, true);
409
410static const char * const cs42l42_hpf_freq_text[] = {
411 "1.86Hz", "120Hz", "235Hz", "466Hz"
412};

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516 { "SDOUT1", NULL, "ASP DAO0" },
517 { "SDOUT2", NULL, "ASP DAO0" },
518 { "SDOUT1", NULL, "SCLK" },
519 { "SDOUT2", NULL, "SCLK" },
520 { "SDOUT1", NULL, "ASP TX EN" },
521 { "SDOUT2", NULL, "ASP TX EN" },
522};
523
403};
404
405static DECLARE_TLV_DB_SCALE(adc_tlv, -9600, 100, false);
406static DECLARE_TLV_DB_SCALE(mixer_tlv, -6300, 100, true);
407
408static const char * const cs42l42_hpf_freq_text[] = {
409 "1.86Hz", "120Hz", "235Hz", "466Hz"
410};

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514 { "SDOUT1", NULL, "ASP DAO0" },
515 { "SDOUT2", NULL, "ASP DAO0" },
516 { "SDOUT1", NULL, "SCLK" },
517 { "SDOUT2", NULL, "SCLK" },
518 { "SDOUT1", NULL, "ASP TX EN" },
519 { "SDOUT2", NULL, "ASP TX EN" },
520};
521
522static int cs42l42_set_jack(struct snd_soc_component *component, struct snd_soc_jack *jk, void *d)
523{
524 struct cs42l42_private *cs42l42 = snd_soc_component_get_drvdata(component);
525
526 cs42l42->jack = jk;
527
528 regmap_update_bits(cs42l42->regmap, CS42L42_TSRS_PLUG_INT_MASK,
529 CS42L42_RS_PLUG_MASK | CS42L42_RS_UNPLUG_MASK |
530 CS42L42_TS_PLUG_MASK | CS42L42_TS_UNPLUG_MASK,
531 (1 << CS42L42_RS_PLUG_SHIFT) | (1 << CS42L42_RS_UNPLUG_SHIFT) |
532 (0 << CS42L42_TS_PLUG_SHIFT) | (0 << CS42L42_TS_UNPLUG_SHIFT));
533
534 return 0;
535}
536
524static int cs42l42_component_probe(struct snd_soc_component *component)
525{
537static int cs42l42_component_probe(struct snd_soc_component *component)
538{
526 struct cs42l42_private *cs42l42 =
527 (struct cs42l42_private *)snd_soc_component_get_drvdata(component);
528 struct snd_soc_card *crd = component->card;
529 int ret = 0;
539 struct cs42l42_private *cs42l42 = snd_soc_component_get_drvdata(component);
530
531 cs42l42->component = component;
532
540
541 cs42l42->component = component;
542
533 ret = snd_soc_card_jack_new(crd, "CS42L42 Headset", SND_JACK_HEADSET | SND_JACK_BTN_0 |
534 SND_JACK_BTN_1 | SND_JACK_BTN_2 | SND_JACK_BTN_3,
535 &cs42l42->jack, NULL, 0);
536 if (ret < 0)
537 dev_err(component->dev, "Cannot create CS42L42 Headset: %d\n", ret);
538
539 return ret;
543 return 0;
540}
541
542static const struct snd_soc_component_driver soc_component_dev_cs42l42 = {
543 .probe = cs42l42_component_probe,
544}
545
546static const struct snd_soc_component_driver soc_component_dev_cs42l42 = {
547 .probe = cs42l42_component_probe,
548 .set_jack = cs42l42_set_jack,
544 .dapm_widgets = cs42l42_dapm_widgets,
545 .num_dapm_widgets = ARRAY_SIZE(cs42l42_dapm_widgets),
546 .dapm_routes = cs42l42_audio_map,
547 .num_dapm_routes = ARRAY_SIZE(cs42l42_audio_map),
548 .controls = cs42l42_snd_controls,
549 .num_controls = ARRAY_SIZE(cs42l42_snd_controls),
550 .idle_bias_on = 1,
551 .endianness = 1,

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1023
1024 /* Set auto HS bias settings to default */
1025 regmap_update_bits(cs42l42->regmap,
1026 CS42L42_HSBIAS_SC_AUTOCTL,
1027 CS42L42_HSBIAS_SENSE_EN_MASK |
1028 CS42L42_AUTO_HSBIAS_HIZ_MASK |
1029 CS42L42_TIP_SENSE_EN_MASK |
1030 CS42L42_HSBIAS_SENSE_TRIP_MASK,
549 .dapm_widgets = cs42l42_dapm_widgets,
550 .num_dapm_widgets = ARRAY_SIZE(cs42l42_dapm_widgets),
551 .dapm_routes = cs42l42_audio_map,
552 .num_dapm_routes = ARRAY_SIZE(cs42l42_audio_map),
553 .controls = cs42l42_snd_controls,
554 .num_controls = ARRAY_SIZE(cs42l42_snd_controls),
555 .idle_bias_on = 1,
556 .endianness = 1,

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1028
1029 /* Set auto HS bias settings to default */
1030 regmap_update_bits(cs42l42->regmap,
1031 CS42L42_HSBIAS_SC_AUTOCTL,
1032 CS42L42_HSBIAS_SENSE_EN_MASK |
1033 CS42L42_AUTO_HSBIAS_HIZ_MASK |
1034 CS42L42_TIP_SENSE_EN_MASK |
1035 CS42L42_HSBIAS_SENSE_TRIP_MASK,
1031 (1 << CS42L42_HSBIAS_SENSE_EN_SHIFT) |
1036 (cs42l42->hs_bias_sense_en << CS42L42_HSBIAS_SENSE_EN_SHIFT) |
1032 (1 << CS42L42_AUTO_HSBIAS_HIZ_SHIFT) |
1033 (0 << CS42L42_TIP_SENSE_EN_SHIFT) |
1034 (3 << CS42L42_HSBIAS_SENSE_TRIP_SHIFT));
1035
1036 /* Turn on level detect circuitry */
1037 regmap_update_bits(cs42l42->regmap,
1038 CS42L42_MISC_DET_CTL,
1039 CS42L42_DETECT_MODE_MASK |

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1408
1409 /* Check auto-detect status */
1410 if ((~masks[5]) & irq_params_table[5].mask) {
1411 if (stickies[5] & CS42L42_HSDET_AUTO_DONE_MASK) {
1412 cs42l42_process_hs_type_detect(cs42l42);
1413 switch(cs42l42->hs_type){
1414 case CS42L42_PLUG_CTIA:
1415 case CS42L42_PLUG_OMTP:
1037 (1 << CS42L42_AUTO_HSBIAS_HIZ_SHIFT) |
1038 (0 << CS42L42_TIP_SENSE_EN_SHIFT) |
1039 (3 << CS42L42_HSBIAS_SENSE_TRIP_SHIFT));
1040
1041 /* Turn on level detect circuitry */
1042 regmap_update_bits(cs42l42->regmap,
1043 CS42L42_MISC_DET_CTL,
1044 CS42L42_DETECT_MODE_MASK |

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1413
1414 /* Check auto-detect status */
1415 if ((~masks[5]) & irq_params_table[5].mask) {
1416 if (stickies[5] & CS42L42_HSDET_AUTO_DONE_MASK) {
1417 cs42l42_process_hs_type_detect(cs42l42);
1418 switch(cs42l42->hs_type){
1419 case CS42L42_PLUG_CTIA:
1420 case CS42L42_PLUG_OMTP:
1416 snd_soc_jack_report(&cs42l42->jack, SND_JACK_HEADSET,
1421 snd_soc_jack_report(cs42l42->jack, SND_JACK_HEADSET,
1417 SND_JACK_HEADSET);
1418 break;
1419 case CS42L42_PLUG_HEADPHONE:
1422 SND_JACK_HEADSET);
1423 break;
1424 case CS42L42_PLUG_HEADPHONE:
1420 snd_soc_jack_report(&cs42l42->jack, SND_JACK_HEADPHONE,
1425 snd_soc_jack_report(cs42l42->jack, SND_JACK_HEADPHONE,
1421 SND_JACK_HEADPHONE);
1422 break;
1423 default:
1424 break;
1425 }
1426 dev_dbg(component->dev, "Auto detect done (%d)\n", cs42l42->hs_type);
1427 }
1428 }

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1440 case CS42L42_TS_UNPLUG:
1441 if (cs42l42->plug_state != CS42L42_TS_UNPLUG) {
1442 cs42l42->plug_state = CS42L42_TS_UNPLUG;
1443 cs42l42_cancel_hs_type_detect(cs42l42);
1444
1445 switch(cs42l42->hs_type){
1446 case CS42L42_PLUG_CTIA:
1447 case CS42L42_PLUG_OMTP:
1426 SND_JACK_HEADPHONE);
1427 break;
1428 default:
1429 break;
1430 }
1431 dev_dbg(component->dev, "Auto detect done (%d)\n", cs42l42->hs_type);
1432 }
1433 }

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1445 case CS42L42_TS_UNPLUG:
1446 if (cs42l42->plug_state != CS42L42_TS_UNPLUG) {
1447 cs42l42->plug_state = CS42L42_TS_UNPLUG;
1448 cs42l42_cancel_hs_type_detect(cs42l42);
1449
1450 switch(cs42l42->hs_type){
1451 case CS42L42_PLUG_CTIA:
1452 case CS42L42_PLUG_OMTP:
1448 snd_soc_jack_report(&cs42l42->jack, 0, SND_JACK_HEADSET);
1453 snd_soc_jack_report(cs42l42->jack, 0, SND_JACK_HEADSET);
1449 break;
1450 case CS42L42_PLUG_HEADPHONE:
1454 break;
1455 case CS42L42_PLUG_HEADPHONE:
1451 snd_soc_jack_report(&cs42l42->jack, 0, SND_JACK_HEADPHONE);
1456 snd_soc_jack_report(cs42l42->jack, 0, SND_JACK_HEADPHONE);
1452 break;
1453 default:
1454 break;
1455 }
1456 dev_dbg(component->dev, "Unplug event\n");
1457 }
1458 break;
1459

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1470
1471 if (current_button_status & CS42L42_M_DETECT_TF_MASK) {
1472 dev_dbg(component->dev, "Button released\n");
1473 report = 0;
1474 } else if (current_button_status & CS42L42_M_DETECT_FT_MASK) {
1475 report = cs42l42_handle_button_press(cs42l42);
1476
1477 }
1457 break;
1458 default:
1459 break;
1460 }
1461 dev_dbg(component->dev, "Unplug event\n");
1462 }
1463 break;
1464

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1475
1476 if (current_button_status & CS42L42_M_DETECT_TF_MASK) {
1477 dev_dbg(component->dev, "Button released\n");
1478 report = 0;
1479 } else if (current_button_status & CS42L42_M_DETECT_FT_MASK) {
1480 report = cs42l42_handle_button_press(cs42l42);
1481
1482 }
1478 snd_soc_jack_report(&cs42l42->jack, report, SND_JACK_BTN_0 | SND_JACK_BTN_1 |
1483 snd_soc_jack_report(cs42l42->jack, report, SND_JACK_BTN_0 | SND_JACK_BTN_1 |
1479 SND_JACK_BTN_2 | SND_JACK_BTN_3);
1480 }
1481 }
1482
1483 return IRQ_HANDLED;
1484}
1485
1486static void cs42l42_set_interrupt_masks(struct cs42l42_private *cs42l42)

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1577
1578 regmap_update_bits(cs42l42->regmap, CS42L42_TSRS_PLUG_INT_MASK,
1579 CS42L42_RS_PLUG_MASK |
1580 CS42L42_RS_UNPLUG_MASK |
1581 CS42L42_TS_PLUG_MASK |
1582 CS42L42_TS_UNPLUG_MASK,
1583 (1 << CS42L42_RS_PLUG_SHIFT) |
1584 (1 << CS42L42_RS_UNPLUG_SHIFT) |
1484 SND_JACK_BTN_2 | SND_JACK_BTN_3);
1485 }
1486 }
1487
1488 return IRQ_HANDLED;
1489}
1490
1491static void cs42l42_set_interrupt_masks(struct cs42l42_private *cs42l42)

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1582
1583 regmap_update_bits(cs42l42->regmap, CS42L42_TSRS_PLUG_INT_MASK,
1584 CS42L42_RS_PLUG_MASK |
1585 CS42L42_RS_UNPLUG_MASK |
1586 CS42L42_TS_PLUG_MASK |
1587 CS42L42_TS_UNPLUG_MASK,
1588 (1 << CS42L42_RS_PLUG_SHIFT) |
1589 (1 << CS42L42_RS_UNPLUG_SHIFT) |
1585 (0 << CS42L42_TS_PLUG_SHIFT) |
1586 (0 << CS42L42_TS_UNPLUG_SHIFT));
1590 (1 << CS42L42_TS_PLUG_SHIFT) |
1591 (1 << CS42L42_TS_UNPLUG_SHIFT));
1587}
1588
1589static void cs42l42_setup_hs_type_detect(struct cs42l42_private *cs42l42)
1590{
1591 unsigned int reg;
1592
1593 cs42l42->hs_type = CS42L42_PLUG_INVALID;
1594

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1628
1629static const unsigned int threshold_defaults[] = {
1630 CS42L42_HS_DET_LEVEL_15,
1631 CS42L42_HS_DET_LEVEL_8,
1632 CS42L42_HS_DET_LEVEL_4,
1633 CS42L42_HS_DET_LEVEL_1
1634};
1635
1592}
1593
1594static void cs42l42_setup_hs_type_detect(struct cs42l42_private *cs42l42)
1595{
1596 unsigned int reg;
1597
1598 cs42l42->hs_type = CS42L42_PLUG_INVALID;
1599

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1633
1634static const unsigned int threshold_defaults[] = {
1635 CS42L42_HS_DET_LEVEL_15,
1636 CS42L42_HS_DET_LEVEL_8,
1637 CS42L42_HS_DET_LEVEL_4,
1638 CS42L42_HS_DET_LEVEL_1
1639};
1640
1636static int cs42l42_handle_device_data(struct i2c_client *i2c_client,
1641static int cs42l42_handle_device_data(struct device *dev,
1637 struct cs42l42_private *cs42l42)
1638{
1642 struct cs42l42_private *cs42l42)
1643{
1639 struct device_node *np = i2c_client->dev.of_node;
1640 unsigned int val;
1644 unsigned int val;
1641 unsigned int thresholds[CS42L42_NUM_BIASES];
1645 u32 thresholds[CS42L42_NUM_BIASES];
1642 int ret;
1643 int i;
1644
1646 int ret;
1647 int i;
1648
1645 ret = of_property_read_u32(np, "cirrus,ts-inv", &val);
1646
1649 ret = device_property_read_u32(dev, "cirrus,ts-inv", &val);
1647 if (!ret) {
1648 switch (val) {
1649 case CS42L42_TS_INV_EN:
1650 case CS42L42_TS_INV_DIS:
1651 cs42l42->ts_inv = val;
1652 break;
1653 default:
1650 if (!ret) {
1651 switch (val) {
1652 case CS42L42_TS_INV_EN:
1653 case CS42L42_TS_INV_DIS:
1654 cs42l42->ts_inv = val;
1655 break;
1656 default:
1654 dev_err(&i2c_client->dev,
1657 dev_err(dev,
1655 "Wrong cirrus,ts-inv DT value %d\n",
1656 val);
1657 cs42l42->ts_inv = CS42L42_TS_INV_DIS;
1658 }
1659 } else {
1660 cs42l42->ts_inv = CS42L42_TS_INV_DIS;
1661 }
1662
1663 regmap_update_bits(cs42l42->regmap, CS42L42_TSENSE_CTL,
1664 CS42L42_TS_INV_MASK,
1665 (cs42l42->ts_inv << CS42L42_TS_INV_SHIFT));
1666
1658 "Wrong cirrus,ts-inv DT value %d\n",
1659 val);
1660 cs42l42->ts_inv = CS42L42_TS_INV_DIS;
1661 }
1662 } else {
1663 cs42l42->ts_inv = CS42L42_TS_INV_DIS;
1664 }
1665
1666 regmap_update_bits(cs42l42->regmap, CS42L42_TSENSE_CTL,
1667 CS42L42_TS_INV_MASK,
1668 (cs42l42->ts_inv << CS42L42_TS_INV_SHIFT));
1669
1667 ret = of_property_read_u32(np, "cirrus,ts-dbnc-rise", &val);
1668
1670 ret = device_property_read_u32(dev, "cirrus,ts-dbnc-rise", &val);
1669 if (!ret) {
1670 switch (val) {
1671 case CS42L42_TS_DBNCE_0:
1672 case CS42L42_TS_DBNCE_125:
1673 case CS42L42_TS_DBNCE_250:
1674 case CS42L42_TS_DBNCE_500:
1675 case CS42L42_TS_DBNCE_750:
1676 case CS42L42_TS_DBNCE_1000:
1677 case CS42L42_TS_DBNCE_1250:
1678 case CS42L42_TS_DBNCE_1500:
1679 cs42l42->ts_dbnc_rise = val;
1680 break;
1681 default:
1671 if (!ret) {
1672 switch (val) {
1673 case CS42L42_TS_DBNCE_0:
1674 case CS42L42_TS_DBNCE_125:
1675 case CS42L42_TS_DBNCE_250:
1676 case CS42L42_TS_DBNCE_500:
1677 case CS42L42_TS_DBNCE_750:
1678 case CS42L42_TS_DBNCE_1000:
1679 case CS42L42_TS_DBNCE_1250:
1680 case CS42L42_TS_DBNCE_1500:
1681 cs42l42->ts_dbnc_rise = val;
1682 break;
1683 default:
1682 dev_err(&i2c_client->dev,
1684 dev_err(dev,
1683 "Wrong cirrus,ts-dbnc-rise DT value %d\n",
1684 val);
1685 cs42l42->ts_dbnc_rise = CS42L42_TS_DBNCE_1000;
1686 }
1687 } else {
1688 cs42l42->ts_dbnc_rise = CS42L42_TS_DBNCE_1000;
1689 }
1690
1691 regmap_update_bits(cs42l42->regmap, CS42L42_TSENSE_CTL,
1692 CS42L42_TS_RISE_DBNCE_TIME_MASK,
1693 (cs42l42->ts_dbnc_rise <<
1694 CS42L42_TS_RISE_DBNCE_TIME_SHIFT));
1695
1685 "Wrong cirrus,ts-dbnc-rise DT value %d\n",
1686 val);
1687 cs42l42->ts_dbnc_rise = CS42L42_TS_DBNCE_1000;
1688 }
1689 } else {
1690 cs42l42->ts_dbnc_rise = CS42L42_TS_DBNCE_1000;
1691 }
1692
1693 regmap_update_bits(cs42l42->regmap, CS42L42_TSENSE_CTL,
1694 CS42L42_TS_RISE_DBNCE_TIME_MASK,
1695 (cs42l42->ts_dbnc_rise <<
1696 CS42L42_TS_RISE_DBNCE_TIME_SHIFT));
1697
1696 ret = of_property_read_u32(np, "cirrus,ts-dbnc-fall", &val);
1697
1698 ret = device_property_read_u32(dev, "cirrus,ts-dbnc-fall", &val);
1698 if (!ret) {
1699 switch (val) {
1700 case CS42L42_TS_DBNCE_0:
1701 case CS42L42_TS_DBNCE_125:
1702 case CS42L42_TS_DBNCE_250:
1703 case CS42L42_TS_DBNCE_500:
1704 case CS42L42_TS_DBNCE_750:
1705 case CS42L42_TS_DBNCE_1000:
1706 case CS42L42_TS_DBNCE_1250:
1707 case CS42L42_TS_DBNCE_1500:
1708 cs42l42->ts_dbnc_fall = val;
1709 break;
1710 default:
1699 if (!ret) {
1700 switch (val) {
1701 case CS42L42_TS_DBNCE_0:
1702 case CS42L42_TS_DBNCE_125:
1703 case CS42L42_TS_DBNCE_250:
1704 case CS42L42_TS_DBNCE_500:
1705 case CS42L42_TS_DBNCE_750:
1706 case CS42L42_TS_DBNCE_1000:
1707 case CS42L42_TS_DBNCE_1250:
1708 case CS42L42_TS_DBNCE_1500:
1709 cs42l42->ts_dbnc_fall = val;
1710 break;
1711 default:
1711 dev_err(&i2c_client->dev,
1712 dev_err(dev,
1712 "Wrong cirrus,ts-dbnc-fall DT value %d\n",
1713 val);
1714 cs42l42->ts_dbnc_fall = CS42L42_TS_DBNCE_0;
1715 }
1716 } else {
1717 cs42l42->ts_dbnc_fall = CS42L42_TS_DBNCE_0;
1718 }
1719
1720 regmap_update_bits(cs42l42->regmap, CS42L42_TSENSE_CTL,
1721 CS42L42_TS_FALL_DBNCE_TIME_MASK,
1722 (cs42l42->ts_dbnc_fall <<
1723 CS42L42_TS_FALL_DBNCE_TIME_SHIFT));
1724
1713 "Wrong cirrus,ts-dbnc-fall DT value %d\n",
1714 val);
1715 cs42l42->ts_dbnc_fall = CS42L42_TS_DBNCE_0;
1716 }
1717 } else {
1718 cs42l42->ts_dbnc_fall = CS42L42_TS_DBNCE_0;
1719 }
1720
1721 regmap_update_bits(cs42l42->regmap, CS42L42_TSENSE_CTL,
1722 CS42L42_TS_FALL_DBNCE_TIME_MASK,
1723 (cs42l42->ts_dbnc_fall <<
1724 CS42L42_TS_FALL_DBNCE_TIME_SHIFT));
1725
1725 ret = of_property_read_u32(np, "cirrus,btn-det-init-dbnce", &val);
1726
1726 ret = device_property_read_u32(dev, "cirrus,btn-det-init-dbnce", &val);
1727 if (!ret) {
1728 if (val <= CS42L42_BTN_DET_INIT_DBNCE_MAX)
1729 cs42l42->btn_det_init_dbnce = val;
1730 else {
1727 if (!ret) {
1728 if (val <= CS42L42_BTN_DET_INIT_DBNCE_MAX)
1729 cs42l42->btn_det_init_dbnce = val;
1730 else {
1731 dev_err(&i2c_client->dev,
1731 dev_err(dev,
1732 "Wrong cirrus,btn-det-init-dbnce DT value %d\n",
1733 val);
1734 cs42l42->btn_det_init_dbnce =
1735 CS42L42_BTN_DET_INIT_DBNCE_DEFAULT;
1736 }
1737 } else {
1738 cs42l42->btn_det_init_dbnce =
1739 CS42L42_BTN_DET_INIT_DBNCE_DEFAULT;
1740 }
1741
1732 "Wrong cirrus,btn-det-init-dbnce DT value %d\n",
1733 val);
1734 cs42l42->btn_det_init_dbnce =
1735 CS42L42_BTN_DET_INIT_DBNCE_DEFAULT;
1736 }
1737 } else {
1738 cs42l42->btn_det_init_dbnce =
1739 CS42L42_BTN_DET_INIT_DBNCE_DEFAULT;
1740 }
1741
1742 ret = of_property_read_u32(np, "cirrus,btn-det-event-dbnce", &val);
1743
1742 ret = device_property_read_u32(dev, "cirrus,btn-det-event-dbnce", &val);
1744 if (!ret) {
1745 if (val <= CS42L42_BTN_DET_EVENT_DBNCE_MAX)
1746 cs42l42->btn_det_event_dbnce = val;
1747 else {
1743 if (!ret) {
1744 if (val <= CS42L42_BTN_DET_EVENT_DBNCE_MAX)
1745 cs42l42->btn_det_event_dbnce = val;
1746 else {
1748 dev_err(&i2c_client->dev,
1749 "Wrong cirrus,btn-det-event-dbnce DT value %d\n", val);
1747 dev_err(dev,
1748 "Wrong cirrus,btn-det-event-dbnce DT value %d\n", val);
1750 cs42l42->btn_det_event_dbnce =
1751 CS42L42_BTN_DET_EVENT_DBNCE_DEFAULT;
1752 }
1753 } else {
1754 cs42l42->btn_det_event_dbnce =
1755 CS42L42_BTN_DET_EVENT_DBNCE_DEFAULT;
1756 }
1757
1749 cs42l42->btn_det_event_dbnce =
1750 CS42L42_BTN_DET_EVENT_DBNCE_DEFAULT;
1751 }
1752 } else {
1753 cs42l42->btn_det_event_dbnce =
1754 CS42L42_BTN_DET_EVENT_DBNCE_DEFAULT;
1755 }
1756
1758 ret = of_property_read_u32_array(np, "cirrus,bias-lvls",
1759 (u32 *)thresholds, CS42L42_NUM_BIASES);
1760
1757 ret = device_property_read_u32_array(dev, "cirrus,bias-lvls",
1758 thresholds, ARRAY_SIZE(thresholds));
1761 if (!ret) {
1762 for (i = 0; i < CS42L42_NUM_BIASES; i++) {
1763 if (thresholds[i] <= CS42L42_HS_DET_LEVEL_MAX)
1764 cs42l42->bias_thresholds[i] = thresholds[i];
1765 else {
1759 if (!ret) {
1760 for (i = 0; i < CS42L42_NUM_BIASES; i++) {
1761 if (thresholds[i] <= CS42L42_HS_DET_LEVEL_MAX)
1762 cs42l42->bias_thresholds[i] = thresholds[i];
1763 else {
1766 dev_err(&i2c_client->dev,
1767 "Wrong cirrus,bias-lvls[%d] DT value %d\n", i,
1764 dev_err(dev,
1765 "Wrong cirrus,bias-lvls[%d] DT value %d\n", i,
1768 thresholds[i]);
1766 thresholds[i]);
1769 cs42l42->bias_thresholds[i] =
1770 threshold_defaults[i];
1767 cs42l42->bias_thresholds[i] = threshold_defaults[i];
1771 }
1772 }
1773 } else {
1774 for (i = 0; i < CS42L42_NUM_BIASES; i++)
1775 cs42l42->bias_thresholds[i] = threshold_defaults[i];
1776 }
1777
1768 }
1769 }
1770 } else {
1771 for (i = 0; i < CS42L42_NUM_BIASES; i++)
1772 cs42l42->bias_thresholds[i] = threshold_defaults[i];
1773 }
1774
1778 ret = of_property_read_u32(np, "cirrus,hs-bias-ramp-rate", &val);
1779
1775 ret = device_property_read_u32(dev, "cirrus,hs-bias-ramp-rate", &val);
1780 if (!ret) {
1781 switch (val) {
1782 case CS42L42_HSBIAS_RAMP_FAST_RISE_SLOW_FALL:
1783 cs42l42->hs_bias_ramp_rate = val;
1784 cs42l42->hs_bias_ramp_time = CS42L42_HSBIAS_RAMP_TIME0;
1785 break;
1786 case CS42L42_HSBIAS_RAMP_FAST:
1787 cs42l42->hs_bias_ramp_rate = val;
1788 cs42l42->hs_bias_ramp_time = CS42L42_HSBIAS_RAMP_TIME1;
1789 break;
1790 case CS42L42_HSBIAS_RAMP_SLOW:
1791 cs42l42->hs_bias_ramp_rate = val;
1792 cs42l42->hs_bias_ramp_time = CS42L42_HSBIAS_RAMP_TIME2;
1793 break;
1794 case CS42L42_HSBIAS_RAMP_SLOWEST:
1795 cs42l42->hs_bias_ramp_rate = val;
1796 cs42l42->hs_bias_ramp_time = CS42L42_HSBIAS_RAMP_TIME3;
1797 break;
1798 default:
1776 if (!ret) {
1777 switch (val) {
1778 case CS42L42_HSBIAS_RAMP_FAST_RISE_SLOW_FALL:
1779 cs42l42->hs_bias_ramp_rate = val;
1780 cs42l42->hs_bias_ramp_time = CS42L42_HSBIAS_RAMP_TIME0;
1781 break;
1782 case CS42L42_HSBIAS_RAMP_FAST:
1783 cs42l42->hs_bias_ramp_rate = val;
1784 cs42l42->hs_bias_ramp_time = CS42L42_HSBIAS_RAMP_TIME1;
1785 break;
1786 case CS42L42_HSBIAS_RAMP_SLOW:
1787 cs42l42->hs_bias_ramp_rate = val;
1788 cs42l42->hs_bias_ramp_time = CS42L42_HSBIAS_RAMP_TIME2;
1789 break;
1790 case CS42L42_HSBIAS_RAMP_SLOWEST:
1791 cs42l42->hs_bias_ramp_rate = val;
1792 cs42l42->hs_bias_ramp_time = CS42L42_HSBIAS_RAMP_TIME3;
1793 break;
1794 default:
1799 dev_err(&i2c_client->dev,
1795 dev_err(dev,
1800 "Wrong cirrus,hs-bias-ramp-rate DT value %d\n",
1801 val);
1802 cs42l42->hs_bias_ramp_rate = CS42L42_HSBIAS_RAMP_SLOW;
1803 cs42l42->hs_bias_ramp_time = CS42L42_HSBIAS_RAMP_TIME2;
1804 }
1805 } else {
1806 cs42l42->hs_bias_ramp_rate = CS42L42_HSBIAS_RAMP_SLOW;
1807 cs42l42->hs_bias_ramp_time = CS42L42_HSBIAS_RAMP_TIME2;
1808 }
1809
1810 regmap_update_bits(cs42l42->regmap, CS42L42_HS_BIAS_CTL,
1811 CS42L42_HSBIAS_RAMP_MASK,
1812 (cs42l42->hs_bias_ramp_rate <<
1813 CS42L42_HSBIAS_RAMP_SHIFT));
1814
1796 "Wrong cirrus,hs-bias-ramp-rate DT value %d\n",
1797 val);
1798 cs42l42->hs_bias_ramp_rate = CS42L42_HSBIAS_RAMP_SLOW;
1799 cs42l42->hs_bias_ramp_time = CS42L42_HSBIAS_RAMP_TIME2;
1800 }
1801 } else {
1802 cs42l42->hs_bias_ramp_rate = CS42L42_HSBIAS_RAMP_SLOW;
1803 cs42l42->hs_bias_ramp_time = CS42L42_HSBIAS_RAMP_TIME2;
1804 }
1805
1806 regmap_update_bits(cs42l42->regmap, CS42L42_HS_BIAS_CTL,
1807 CS42L42_HSBIAS_RAMP_MASK,
1808 (cs42l42->hs_bias_ramp_rate <<
1809 CS42L42_HSBIAS_RAMP_SHIFT));
1810
1811 if (device_property_read_bool(dev, "cirrus,hs-bias-sense-disable"))
1812 cs42l42->hs_bias_sense_en = 0;
1813 else
1814 cs42l42->hs_bias_sense_en = 1;
1815
1815 return 0;
1816}
1817
1818static int cs42l42_i2c_probe(struct i2c_client *i2c_client,
1819 const struct i2c_device_id *id)
1820{
1821 struct cs42l42_private *cs42l42;
1816 return 0;
1817}
1818
1819static int cs42l42_i2c_probe(struct i2c_client *i2c_client,
1820 const struct i2c_device_id *id)
1821{
1822 struct cs42l42_private *cs42l42;
1822 int ret, i;
1823 unsigned int devid = 0;
1823 int ret, i, devid;
1824 unsigned int reg;
1825
1826 cs42l42 = devm_kzalloc(&i2c_client->dev, sizeof(struct cs42l42_private),
1827 GFP_KERNEL);
1828 if (!cs42l42)
1829 return -ENOMEM;
1830
1831 i2c_set_clientdata(i2c_client, cs42l42);

--- 46 unchanged lines hidden (view full) ---

1878 IRQF_ONESHOT | IRQF_TRIGGER_LOW,
1879 "cs42l42", cs42l42);
1880
1881 if (ret != 0)
1882 dev_err(&i2c_client->dev,
1883 "Failed to request IRQ: %d\n", ret);
1884
1885 /* initialize codec */
1824 unsigned int reg;
1825
1826 cs42l42 = devm_kzalloc(&i2c_client->dev, sizeof(struct cs42l42_private),
1827 GFP_KERNEL);
1828 if (!cs42l42)
1829 return -ENOMEM;
1830
1831 i2c_set_clientdata(i2c_client, cs42l42);

--- 46 unchanged lines hidden (view full) ---

1878 IRQF_ONESHOT | IRQF_TRIGGER_LOW,
1879 "cs42l42", cs42l42);
1880
1881 if (ret != 0)
1882 dev_err(&i2c_client->dev,
1883 "Failed to request IRQ: %d\n", ret);
1884
1885 /* initialize codec */
1886 ret = regmap_read(cs42l42->regmap, CS42L42_DEVID_AB, &reg);
1887 devid = (reg & 0xFF) << 12;
1886 devid = cirrus_read_device_id(cs42l42->regmap, CS42L42_DEVID_AB);
1887 if (devid < 0) {
1888 ret = devid;
1889 dev_err(&i2c_client->dev, "Failed to read device ID: %d\n", ret);
1890 goto err_disable;
1891 }
1888
1892
1889 ret = regmap_read(cs42l42->regmap, CS42L42_DEVID_CD, &reg);
1890 devid |= (reg & 0xFF) << 4;
1891
1892 ret = regmap_read(cs42l42->regmap, CS42L42_DEVID_E, &reg);
1893 devid |= (reg & 0xF0) >> 4;
1894
1895 if (devid != CS42L42_CHIP_ID) {
1896 ret = -ENODEV;
1897 dev_err(&i2c_client->dev,
1898 "CS42L42 Device ID (%X). Expected %X\n",
1899 devid, CS42L42_CHIP_ID);
1900 goto err_disable;
1901 }
1902

--- 18 unchanged lines hidden (view full) ---

1921 (1 << CS42L42_ASP_DAO_PDN_SHIFT) |
1922 (1 << CS42L42_ASP_DAI_PDN_SHIFT) |
1923 (1 << CS42L42_MIXER_PDN_SHIFT) |
1924 (1 << CS42L42_EQ_PDN_SHIFT) |
1925 (1 << CS42L42_HP_PDN_SHIFT) |
1926 (1 << CS42L42_ADC_PDN_SHIFT) |
1927 (0 << CS42L42_PDN_ALL_SHIFT));
1928
1893 if (devid != CS42L42_CHIP_ID) {
1894 ret = -ENODEV;
1895 dev_err(&i2c_client->dev,
1896 "CS42L42 Device ID (%X). Expected %X\n",
1897 devid, CS42L42_CHIP_ID);
1898 goto err_disable;
1899 }
1900

--- 18 unchanged lines hidden (view full) ---

1919 (1 << CS42L42_ASP_DAO_PDN_SHIFT) |
1920 (1 << CS42L42_ASP_DAI_PDN_SHIFT) |
1921 (1 << CS42L42_MIXER_PDN_SHIFT) |
1922 (1 << CS42L42_EQ_PDN_SHIFT) |
1923 (1 << CS42L42_HP_PDN_SHIFT) |
1924 (1 << CS42L42_ADC_PDN_SHIFT) |
1925 (0 << CS42L42_PDN_ALL_SHIFT));
1926
1929 if (i2c_client->dev.of_node) {
1930 ret = cs42l42_handle_device_data(i2c_client, cs42l42);
1931 if (ret != 0)
1932 goto err_disable;
1933 }
1927 ret = cs42l42_handle_device_data(&i2c_client->dev, cs42l42);
1928 if (ret != 0)
1929 goto err_disable;
1934
1935 /* Setup headset detection */
1936 cs42l42_setup_hs_type_detect(cs42l42);
1937
1938 /* Mask/Unmask Interrupts */
1939 cs42l42_set_interrupt_masks(cs42l42);
1940
1941 /* Register codec for machine driver */

--- 62 unchanged lines hidden (view full) ---

2004}
2005#endif
2006
2007static const struct dev_pm_ops cs42l42_runtime_pm = {
2008 SET_RUNTIME_PM_OPS(cs42l42_runtime_suspend, cs42l42_runtime_resume,
2009 NULL)
2010};
2011
1930
1931 /* Setup headset detection */
1932 cs42l42_setup_hs_type_detect(cs42l42);
1933
1934 /* Mask/Unmask Interrupts */
1935 cs42l42_set_interrupt_masks(cs42l42);
1936
1937 /* Register codec for machine driver */

--- 62 unchanged lines hidden (view full) ---

2000}
2001#endif
2002
2003static const struct dev_pm_ops cs42l42_runtime_pm = {
2004 SET_RUNTIME_PM_OPS(cs42l42_runtime_suspend, cs42l42_runtime_resume,
2005 NULL)
2006};
2007
2008#ifdef CONFIG_OF
2012static const struct of_device_id cs42l42_of_match[] = {
2013 { .compatible = "cirrus,cs42l42", },
2009static const struct of_device_id cs42l42_of_match[] = {
2010 { .compatible = "cirrus,cs42l42", },
2014 {},
2011 {}
2015};
2016MODULE_DEVICE_TABLE(of, cs42l42_of_match);
2012};
2013MODULE_DEVICE_TABLE(of, cs42l42_of_match);
2014#endif
2017
2015
2016#ifdef CONFIG_ACPI
2017static const struct acpi_device_id cs42l42_acpi_match[] = {
2018 {"10134242", 0,},
2019 {}
2020};
2021MODULE_DEVICE_TABLE(acpi, cs42l42_acpi_match);
2022#endif
2018
2019static const struct i2c_device_id cs42l42_id[] = {
2020 {"cs42l42", 0},
2021 {}
2022};
2023
2024MODULE_DEVICE_TABLE(i2c, cs42l42_id);
2025
2026static struct i2c_driver cs42l42_i2c_driver = {
2027 .driver = {
2028 .name = "cs42l42",
2029 .pm = &cs42l42_runtime_pm,
2023
2024static const struct i2c_device_id cs42l42_id[] = {
2025 {"cs42l42", 0},
2026 {}
2027};
2028
2029MODULE_DEVICE_TABLE(i2c, cs42l42_id);
2030
2031static struct i2c_driver cs42l42_i2c_driver = {
2032 .driver = {
2033 .name = "cs42l42",
2034 .pm = &cs42l42_runtime_pm,
2030 .of_match_table = cs42l42_of_match,
2035 .of_match_table = of_match_ptr(cs42l42_of_match),
2036 .acpi_match_table = ACPI_PTR(cs42l42_acpi_match),
2031 },
2032 .id_table = cs42l42_id,
2033 .probe = cs42l42_i2c_probe,
2034 .remove = cs42l42_i2c_remove,
2035};
2036
2037module_i2c_driver(cs42l42_i2c_driver);
2038
2039MODULE_DESCRIPTION("ASoC CS42L42 driver");
2040MODULE_AUTHOR("James Schulman, Cirrus Logic Inc, <james.schulman@cirrus.com>");
2041MODULE_AUTHOR("Brian Austin, Cirrus Logic Inc, <brian.austin@cirrus.com>");
2042MODULE_AUTHOR("Michael White, Cirrus Logic Inc, <michael.white@cirrus.com>");
2043MODULE_LICENSE("GPL");
2037 },
2038 .id_table = cs42l42_id,
2039 .probe = cs42l42_i2c_probe,
2040 .remove = cs42l42_i2c_remove,
2041};
2042
2043module_i2c_driver(cs42l42_i2c_driver);
2044
2045MODULE_DESCRIPTION("ASoC CS42L42 driver");
2046MODULE_AUTHOR("James Schulman, Cirrus Logic Inc, <james.schulman@cirrus.com>");
2047MODULE_AUTHOR("Brian Austin, Cirrus Logic Inc, <brian.austin@cirrus.com>");
2048MODULE_AUTHOR("Michael White, Cirrus Logic Inc, <michael.white@cirrus.com>");
2049MODULE_LICENSE("GPL");