1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * da7219-aad.c - Dialog DA7219 ALSA SoC AAD Driver
5 * Copyright (c) 2015 Dialog Semiconductor Ltd.
7 * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
10 #include <linux/module.h>
11 #include <linux/platform_device.h>
12 #include <linux/clk.h>
13 #include <linux/i2c.h>
14 #include <linux/property.h>
15 #include <linux/pm_wakeirq.h>
16 #include <linux/slab.h>
17 #include <linux/delay.h>
18 #include <linux/workqueue.h>
19 #include <sound/soc.h>
20 #include <sound/jack.h>
21 #include <sound/da7219.h>
24 #include "da7219-aad.h"
31 void da7219_aad_jack_det(struct snd_soc_component
*component
, struct snd_soc_jack
*jack
)
33 struct da7219_priv
*da7219
= snd_soc_component_get_drvdata(component
);
35 da7219
->aad
->jack
= jack
;
36 da7219
->aad
->jack_inserted
= false;
38 /* Send an initial empty report */
39 snd_soc_jack_report(jack
, 0, DA7219_AAD_REPORT_ALL_MASK
);
41 /* Enable/Disable jack detection */
42 snd_soc_component_update_bits(component
, DA7219_ACCDET_CONFIG_1
,
43 DA7219_ACCDET_EN_MASK
,
44 (jack
? DA7219_ACCDET_EN_MASK
: 0));
51 static void da7219_aad_btn_det_work(struct work_struct
*work
)
53 struct da7219_aad_priv
*da7219_aad
=
54 container_of(work
, struct da7219_aad_priv
, btn_det_work
);
55 struct snd_soc_component
*component
= da7219_aad
->component
;
56 struct snd_soc_dapm_context
*dapm
= snd_soc_component_get_dapm(component
);
57 struct da7219_priv
*da7219
= snd_soc_component_get_drvdata(component
);
58 u8 statusa
, micbias_ctrl
;
59 bool micbias_up
= false;
62 /* Drive headphones/lineout */
63 snd_soc_component_update_bits(component
, DA7219_HP_L_CTRL
,
64 DA7219_HP_L_AMP_OE_MASK
,
65 DA7219_HP_L_AMP_OE_MASK
);
66 snd_soc_component_update_bits(component
, DA7219_HP_R_CTRL
,
67 DA7219_HP_R_AMP_OE_MASK
,
68 DA7219_HP_R_AMP_OE_MASK
);
70 /* Make sure mic bias is up */
71 snd_soc_dapm_force_enable_pin(dapm
, "Mic Bias");
72 snd_soc_dapm_sync(dapm
);
75 statusa
= snd_soc_component_read(component
, DA7219_ACCDET_STATUS_A
);
76 if (statusa
& DA7219_MICBIAS_UP_STS_MASK
)
78 else if (retries
++ < DA7219_AAD_MICBIAS_CHK_RETRIES
)
79 msleep(DA7219_AAD_MICBIAS_CHK_DELAY
);
80 } while ((!micbias_up
) && (retries
< DA7219_AAD_MICBIAS_CHK_RETRIES
));
82 if (retries
>= DA7219_AAD_MICBIAS_CHK_RETRIES
)
83 dev_warn(component
->dev
, "Mic bias status check timed out");
85 da7219
->micbias_on_event
= true;
88 * Mic bias pulse required to enable mic, must be done before enabling
89 * button detection to prevent erroneous button readings.
91 if (da7219_aad
->micbias_pulse_lvl
&& da7219_aad
->micbias_pulse_time
) {
92 /* Pulse higher level voltage */
93 micbias_ctrl
= snd_soc_component_read(component
, DA7219_MICBIAS_CTRL
);
94 snd_soc_component_update_bits(component
, DA7219_MICBIAS_CTRL
,
95 DA7219_MICBIAS1_LEVEL_MASK
,
96 da7219_aad
->micbias_pulse_lvl
);
97 msleep(da7219_aad
->micbias_pulse_time
);
98 snd_soc_component_write(component
, DA7219_MICBIAS_CTRL
, micbias_ctrl
);
102 snd_soc_component_update_bits(component
, DA7219_ACCDET_CONFIG_1
,
103 DA7219_BUTTON_CONFIG_MASK
,
104 da7219_aad
->btn_cfg
);
107 static void da7219_aad_hptest_work(struct work_struct
*work
)
109 struct da7219_aad_priv
*da7219_aad
=
110 container_of(work
, struct da7219_aad_priv
, hptest_work
);
111 struct snd_soc_component
*component
= da7219_aad
->component
;
112 struct snd_soc_dapm_context
*dapm
= snd_soc_component_get_dapm(component
);
113 struct da7219_priv
*da7219
= snd_soc_component_get_drvdata(component
);
115 __le16 tonegen_freq_hptest
;
116 u8 pll_srm_sts
, pll_ctrl
, gain_ramp_ctrl
, accdet_cfg8
;
119 /* Lock DAPM, Kcontrols affected by this test and the PLL */
120 snd_soc_dapm_mutex_lock(dapm
);
121 mutex_lock(&da7219
->ctrl_lock
);
122 mutex_lock(&da7219
->pll_lock
);
124 /* Ensure MCLK is available for HP test procedure */
126 ret
= clk_prepare_enable(da7219
->mclk
);
128 dev_err(component
->dev
, "Failed to enable mclk - %d\n", ret
);
129 mutex_unlock(&da7219
->pll_lock
);
130 mutex_unlock(&da7219
->ctrl_lock
);
131 snd_soc_dapm_mutex_unlock(dapm
);
137 * If MCLK not present, then we're using the internal oscillator and
138 * require different frequency settings to achieve the same result.
140 * If MCLK is present, but PLL is not enabled then we enable it here to
141 * ensure a consistent detection procedure.
143 pll_srm_sts
= snd_soc_component_read(component
, DA7219_PLL_SRM_STS
);
144 if (pll_srm_sts
& DA7219_PLL_SRM_STS_MCLK
) {
145 tonegen_freq_hptest
= cpu_to_le16(DA7219_AAD_HPTEST_RAMP_FREQ
);
147 pll_ctrl
= snd_soc_component_read(component
, DA7219_PLL_CTRL
);
148 if ((pll_ctrl
& DA7219_PLL_MODE_MASK
) == DA7219_PLL_MODE_BYPASS
)
149 da7219_set_pll(component
, DA7219_SYSCLK_PLL
,
150 DA7219_PLL_FREQ_OUT_98304
);
152 tonegen_freq_hptest
= cpu_to_le16(DA7219_AAD_HPTEST_RAMP_FREQ_INT_OSC
);
155 /* Ensure gain ramping at fastest rate */
156 gain_ramp_ctrl
= snd_soc_component_read(component
, DA7219_GAIN_RAMP_CTRL
);
157 snd_soc_component_write(component
, DA7219_GAIN_RAMP_CTRL
, DA7219_GAIN_RAMP_RATE_X8
);
159 /* Bypass cache so it saves current settings */
160 regcache_cache_bypass(da7219
->regmap
, true);
162 /* Make sure Tone Generator is disabled */
163 snd_soc_component_write(component
, DA7219_TONE_GEN_CFG1
, 0);
165 /* Enable HPTest block, 1KOhms check */
166 snd_soc_component_update_bits(component
, DA7219_ACCDET_CONFIG_8
,
167 DA7219_HPTEST_EN_MASK
| DA7219_HPTEST_RES_SEL_MASK
,
168 DA7219_HPTEST_EN_MASK
|
169 DA7219_HPTEST_RES_SEL_1KOHMS
);
171 /* Set gains to 0db */
172 snd_soc_component_write(component
, DA7219_DAC_L_GAIN
, DA7219_DAC_DIGITAL_GAIN_0DB
);
173 snd_soc_component_write(component
, DA7219_DAC_R_GAIN
, DA7219_DAC_DIGITAL_GAIN_0DB
);
174 snd_soc_component_write(component
, DA7219_HP_L_GAIN
, DA7219_HP_AMP_GAIN_0DB
);
175 snd_soc_component_write(component
, DA7219_HP_R_GAIN
, DA7219_HP_AMP_GAIN_0DB
);
177 /* Disable DAC filters, EQs and soft mute */
178 snd_soc_component_update_bits(component
, DA7219_DAC_FILTERS1
, DA7219_HPF_MODE_MASK
,
180 snd_soc_component_update_bits(component
, DA7219_DAC_FILTERS4
, DA7219_DAC_EQ_EN_MASK
,
182 snd_soc_component_update_bits(component
, DA7219_DAC_FILTERS5
,
183 DA7219_DAC_SOFTMUTE_EN_MASK
, 0);
185 /* Enable HP left & right paths */
186 snd_soc_component_update_bits(component
, DA7219_CP_CTRL
, DA7219_CP_EN_MASK
,
188 snd_soc_component_update_bits(component
, DA7219_DIG_ROUTING_DAC
,
189 DA7219_DAC_L_SRC_MASK
| DA7219_DAC_R_SRC_MASK
,
190 DA7219_DAC_L_SRC_TONEGEN
|
191 DA7219_DAC_R_SRC_TONEGEN
);
192 snd_soc_component_update_bits(component
, DA7219_DAC_L_CTRL
,
193 DA7219_DAC_L_EN_MASK
| DA7219_DAC_L_MUTE_EN_MASK
,
194 DA7219_DAC_L_EN_MASK
);
195 snd_soc_component_update_bits(component
, DA7219_DAC_R_CTRL
,
196 DA7219_DAC_R_EN_MASK
| DA7219_DAC_R_MUTE_EN_MASK
,
197 DA7219_DAC_R_EN_MASK
);
198 snd_soc_component_update_bits(component
, DA7219_MIXOUT_L_SELECT
,
199 DA7219_MIXOUT_L_MIX_SELECT_MASK
,
200 DA7219_MIXOUT_L_MIX_SELECT_MASK
);
201 snd_soc_component_update_bits(component
, DA7219_MIXOUT_R_SELECT
,
202 DA7219_MIXOUT_R_MIX_SELECT_MASK
,
203 DA7219_MIXOUT_R_MIX_SELECT_MASK
);
204 snd_soc_component_update_bits(component
, DA7219_DROUTING_ST_OUTFILT_1L
,
205 DA7219_OUTFILT_ST_1L_SRC_MASK
,
206 DA7219_DMIX_ST_SRC_OUTFILT1L
);
207 snd_soc_component_update_bits(component
, DA7219_DROUTING_ST_OUTFILT_1R
,
208 DA7219_OUTFILT_ST_1R_SRC_MASK
,
209 DA7219_DMIX_ST_SRC_OUTFILT1R
);
210 snd_soc_component_update_bits(component
, DA7219_MIXOUT_L_CTRL
,
211 DA7219_MIXOUT_L_AMP_EN_MASK
,
212 DA7219_MIXOUT_L_AMP_EN_MASK
);
213 snd_soc_component_update_bits(component
, DA7219_MIXOUT_R_CTRL
,
214 DA7219_MIXOUT_R_AMP_EN_MASK
,
215 DA7219_MIXOUT_R_AMP_EN_MASK
);
216 snd_soc_component_update_bits(component
, DA7219_HP_L_CTRL
,
217 DA7219_HP_L_AMP_OE_MASK
| DA7219_HP_L_AMP_EN_MASK
,
218 DA7219_HP_L_AMP_OE_MASK
| DA7219_HP_L_AMP_EN_MASK
);
219 snd_soc_component_update_bits(component
, DA7219_HP_R_CTRL
,
220 DA7219_HP_R_AMP_OE_MASK
| DA7219_HP_R_AMP_EN_MASK
,
221 DA7219_HP_R_AMP_OE_MASK
| DA7219_HP_R_AMP_EN_MASK
);
222 msleep(DA7219_SETTLING_DELAY
);
223 snd_soc_component_update_bits(component
, DA7219_HP_L_CTRL
,
224 DA7219_HP_L_AMP_MUTE_EN_MASK
|
225 DA7219_HP_L_AMP_MIN_GAIN_EN_MASK
, 0);
226 snd_soc_component_update_bits(component
, DA7219_HP_R_CTRL
,
227 DA7219_HP_R_AMP_MUTE_EN_MASK
|
228 DA7219_HP_R_AMP_MIN_GAIN_EN_MASK
, 0);
231 * If we're running from the internal oscillator then give audio paths
232 * time to settle before running test.
234 if (!(pll_srm_sts
& DA7219_PLL_SRM_STS_MCLK
))
235 msleep(DA7219_AAD_HPTEST_INT_OSC_PATH_DELAY
);
237 /* Configure & start Tone Generator */
238 snd_soc_component_write(component
, DA7219_TONE_GEN_ON_PER
, DA7219_BEEP_ON_PER_MASK
);
239 regmap_raw_write(da7219
->regmap
, DA7219_TONE_GEN_FREQ1_L
,
240 &tonegen_freq_hptest
, sizeof(tonegen_freq_hptest
));
241 snd_soc_component_update_bits(component
, DA7219_TONE_GEN_CFG2
,
242 DA7219_SWG_SEL_MASK
| DA7219_TONE_GEN_GAIN_MASK
,
243 DA7219_SWG_SEL_SRAMP
|
244 DA7219_TONE_GEN_GAIN_MINUS_15DB
);
245 snd_soc_component_write(component
, DA7219_TONE_GEN_CFG1
, DA7219_START_STOPN_MASK
);
247 msleep(DA7219_AAD_HPTEST_PERIOD
);
249 /* Grab comparator reading */
250 accdet_cfg8
= snd_soc_component_read(component
, DA7219_ACCDET_CONFIG_8
);
251 if (accdet_cfg8
& DA7219_HPTEST_COMP_MASK
)
252 report
|= SND_JACK_HEADPHONE
;
254 report
|= SND_JACK_LINEOUT
;
256 /* Stop tone generator */
257 snd_soc_component_write(component
, DA7219_TONE_GEN_CFG1
, 0);
259 msleep(DA7219_AAD_HPTEST_PERIOD
);
261 /* Restore original settings from cache */
262 regcache_mark_dirty(da7219
->regmap
);
263 regcache_sync_region(da7219
->regmap
, DA7219_HP_L_CTRL
,
265 msleep(DA7219_SETTLING_DELAY
);
266 regcache_sync_region(da7219
->regmap
, DA7219_MIXOUT_L_CTRL
,
267 DA7219_MIXOUT_R_CTRL
);
268 regcache_sync_region(da7219
->regmap
, DA7219_DROUTING_ST_OUTFILT_1L
,
269 DA7219_DROUTING_ST_OUTFILT_1R
);
270 regcache_sync_region(da7219
->regmap
, DA7219_MIXOUT_L_SELECT
,
271 DA7219_MIXOUT_R_SELECT
);
272 regcache_sync_region(da7219
->regmap
, DA7219_DAC_L_CTRL
,
274 regcache_sync_region(da7219
->regmap
, DA7219_DIG_ROUTING_DAC
,
275 DA7219_DIG_ROUTING_DAC
);
276 regcache_sync_region(da7219
->regmap
, DA7219_CP_CTRL
, DA7219_CP_CTRL
);
277 regcache_sync_region(da7219
->regmap
, DA7219_DAC_FILTERS5
,
278 DA7219_DAC_FILTERS5
);
279 regcache_sync_region(da7219
->regmap
, DA7219_DAC_FILTERS4
,
280 DA7219_DAC_FILTERS1
);
281 regcache_sync_region(da7219
->regmap
, DA7219_HP_L_GAIN
,
283 regcache_sync_region(da7219
->regmap
, DA7219_DAC_L_GAIN
,
285 regcache_sync_region(da7219
->regmap
, DA7219_TONE_GEN_ON_PER
,
286 DA7219_TONE_GEN_ON_PER
);
287 regcache_sync_region(da7219
->regmap
, DA7219_TONE_GEN_FREQ1_L
,
288 DA7219_TONE_GEN_FREQ1_U
);
289 regcache_sync_region(da7219
->regmap
, DA7219_TONE_GEN_CFG1
,
290 DA7219_TONE_GEN_CFG2
);
292 regcache_cache_bypass(da7219
->regmap
, false);
294 /* Disable HPTest block */
295 snd_soc_component_update_bits(component
, DA7219_ACCDET_CONFIG_8
,
296 DA7219_HPTEST_EN_MASK
, 0);
299 * If we're running from the internal oscillator then give audio paths
300 * time to settle before allowing headphones to be driven as required.
302 if (!(pll_srm_sts
& DA7219_PLL_SRM_STS_MCLK
))
303 msleep(DA7219_AAD_HPTEST_INT_OSC_PATH_DELAY
);
305 /* Restore gain ramping rate */
306 snd_soc_component_write(component
, DA7219_GAIN_RAMP_CTRL
, gain_ramp_ctrl
);
308 /* Drive Headphones/lineout */
309 snd_soc_component_update_bits(component
, DA7219_HP_L_CTRL
, DA7219_HP_L_AMP_OE_MASK
,
310 DA7219_HP_L_AMP_OE_MASK
);
311 snd_soc_component_update_bits(component
, DA7219_HP_R_CTRL
, DA7219_HP_R_AMP_OE_MASK
,
312 DA7219_HP_R_AMP_OE_MASK
);
314 /* Restore PLL to previous configuration, if re-configured */
315 if ((pll_srm_sts
& DA7219_PLL_SRM_STS_MCLK
) &&
316 ((pll_ctrl
& DA7219_PLL_MODE_MASK
) == DA7219_PLL_MODE_BYPASS
))
317 da7219_set_pll(component
, DA7219_SYSCLK_MCLK
, 0);
319 /* Remove MCLK, if previously enabled */
321 clk_disable_unprepare(da7219
->mclk
);
323 mutex_unlock(&da7219
->pll_lock
);
324 mutex_unlock(&da7219
->ctrl_lock
);
325 snd_soc_dapm_mutex_unlock(dapm
);
328 * Only send report if jack hasn't been removed during process,
329 * otherwise it's invalid and we drop it.
331 if (da7219_aad
->jack_inserted
)
332 snd_soc_jack_report(da7219_aad
->jack
, report
,
333 SND_JACK_HEADSET
| SND_JACK_LINEOUT
);
336 static void da7219_aad_jack_det_work(struct work_struct
*work
)
338 struct da7219_aad_priv
*da7219_aad
=
339 container_of(work
, struct da7219_aad_priv
, jack_det_work
.work
);
340 struct snd_soc_component
*component
= da7219_aad
->component
;
342 /* Enable ground switch */
343 snd_soc_component_update_bits(component
, 0xFB, 0x01, 0x01);
350 static irqreturn_t
da7219_aad_irq_thread(int irq
, void *data
)
352 struct da7219_aad_priv
*da7219_aad
= data
;
353 struct snd_soc_component
*component
= da7219_aad
->component
;
354 struct snd_soc_dapm_context
*dapm
= snd_soc_component_get_dapm(component
);
355 struct da7219_priv
*da7219
= snd_soc_component_get_drvdata(component
);
356 u8 events
[DA7219_AAD_IRQ_REG_MAX
];
358 int i
, ret
, report
= 0, mask
= 0;
360 /* Read current IRQ events */
361 ret
= regmap_bulk_read(da7219
->regmap
, DA7219_ACCDET_IRQ_EVENT_A
,
362 events
, DA7219_AAD_IRQ_REG_MAX
);
364 dev_warn_ratelimited(component
->dev
, "Failed to read IRQ events: %d\n", ret
);
368 if (!events
[DA7219_AAD_IRQ_REG_A
] && !events
[DA7219_AAD_IRQ_REG_B
])
371 /* Read status register for jack insertion & type status */
372 statusa
= snd_soc_component_read(component
, DA7219_ACCDET_STATUS_A
);
374 if (events
[DA7219_AAD_IRQ_REG_A
] & DA7219_E_JACK_INSERTED_MASK
) {
378 srm_st
= snd_soc_component_read(component
,
379 DA7219_PLL_SRM_STS
) & DA7219_PLL_SRM_STS_MCLK
;
380 delay
= (da7219_aad
->gnd_switch_delay
* ((srm_st
== 0x0) ? 2 : 1) - 2);
381 queue_delayed_work(da7219_aad
->aad_wq
,
382 &da7219_aad
->jack_det_work
,
383 msecs_to_jiffies(delay
));
387 regmap_bulk_write(da7219
->regmap
, DA7219_ACCDET_IRQ_EVENT_A
,
388 events
, DA7219_AAD_IRQ_REG_MAX
);
390 dev_dbg(component
->dev
, "IRQ events = 0x%x|0x%x, status = 0x%x\n",
391 events
[DA7219_AAD_IRQ_REG_A
], events
[DA7219_AAD_IRQ_REG_B
],
394 if (statusa
& DA7219_JACK_INSERTION_STS_MASK
) {
396 if (events
[DA7219_AAD_IRQ_REG_A
] &
397 DA7219_E_JACK_INSERTED_MASK
) {
398 report
|= SND_JACK_MECHANICAL
;
399 mask
|= SND_JACK_MECHANICAL
;
400 da7219_aad
->jack_inserted
= true;
403 /* Jack type detection */
404 if (events
[DA7219_AAD_IRQ_REG_A
] &
405 DA7219_E_JACK_DETECT_COMPLETE_MASK
) {
407 * If 4-pole, then enable button detection, else perform
408 * HP impedance test to determine output type to report.
410 * We schedule work here as the tasks themselves can
411 * take time to complete, and in particular for hptest
412 * we want to be able to check if the jack was removed
413 * during the procedure as this will invalidate the
414 * result. By doing this as work, the IRQ thread can
415 * handle a removal, and we can check at the end of
416 * hptest if we have a valid result or not.
419 cancel_delayed_work_sync(&da7219_aad
->jack_det_work
);
420 /* Disable ground switch */
421 snd_soc_component_update_bits(component
, 0xFB, 0x01, 0x00);
423 if (statusa
& DA7219_JACK_TYPE_STS_MASK
) {
424 report
|= SND_JACK_HEADSET
;
425 mask
|= SND_JACK_HEADSET
| SND_JACK_LINEOUT
;
426 queue_work(da7219_aad
->aad_wq
, &da7219_aad
->btn_det_work
);
428 queue_work(da7219_aad
->aad_wq
, &da7219_aad
->hptest_work
);
432 /* Button support for 4-pole jack */
433 if (statusa
& DA7219_JACK_TYPE_STS_MASK
) {
434 for (i
= 0; i
< DA7219_AAD_MAX_BUTTONS
; ++i
) {
436 if (events
[DA7219_AAD_IRQ_REG_B
] &
437 (DA7219_E_BUTTON_A_PRESSED_MASK
<< i
)) {
438 report
|= SND_JACK_BTN_0
>> i
;
439 mask
|= SND_JACK_BTN_0
>> i
;
442 snd_soc_jack_report(da7219_aad
->jack
, report
, mask
);
444 for (i
= 0; i
< DA7219_AAD_MAX_BUTTONS
; ++i
) {
446 if (events
[DA7219_AAD_IRQ_REG_B
] &
447 (DA7219_E_BUTTON_A_RELEASED_MASK
>> i
)) {
448 report
&= ~(SND_JACK_BTN_0
>> i
);
449 mask
|= SND_JACK_BTN_0
>> i
;
455 if (events
[DA7219_AAD_IRQ_REG_A
] & DA7219_E_JACK_REMOVED_MASK
) {
457 mask
|= DA7219_AAD_REPORT_ALL_MASK
;
458 da7219_aad
->jack_inserted
= false;
460 /* Cancel any pending work */
461 cancel_delayed_work_sync(&da7219_aad
->jack_det_work
);
462 cancel_work_sync(&da7219_aad
->btn_det_work
);
463 cancel_work_sync(&da7219_aad
->hptest_work
);
465 /* Un-drive headphones/lineout */
466 snd_soc_component_update_bits(component
, DA7219_HP_R_CTRL
,
467 DA7219_HP_R_AMP_OE_MASK
, 0);
468 snd_soc_component_update_bits(component
, DA7219_HP_L_CTRL
,
469 DA7219_HP_L_AMP_OE_MASK
, 0);
471 /* Ensure button detection disabled */
472 snd_soc_component_update_bits(component
, DA7219_ACCDET_CONFIG_1
,
473 DA7219_BUTTON_CONFIG_MASK
, 0);
475 da7219
->micbias_on_event
= false;
477 /* Disable mic bias */
478 snd_soc_dapm_disable_pin(dapm
, "Mic Bias");
479 snd_soc_dapm_sync(dapm
);
481 /* Disable ground switch */
482 snd_soc_component_update_bits(component
, 0xFB, 0x01, 0x00);
486 snd_soc_jack_report(da7219_aad
->jack
, report
, mask
);
492 * DT/ACPI to pdata conversion
495 static enum da7219_aad_micbias_pulse_lvl
496 da7219_aad_fw_micbias_pulse_lvl(struct device
*dev
, u32 val
)
500 return DA7219_AAD_MICBIAS_PULSE_LVL_2_8V
;
502 return DA7219_AAD_MICBIAS_PULSE_LVL_2_9V
;
504 dev_warn(dev
, "Invalid micbias pulse level");
505 return DA7219_AAD_MICBIAS_PULSE_LVL_OFF
;
509 static enum da7219_aad_btn_cfg
510 da7219_aad_fw_btn_cfg(struct device
*dev
, u32 val
)
514 return DA7219_AAD_BTN_CFG_2MS
;
516 return DA7219_AAD_BTN_CFG_5MS
;
518 return DA7219_AAD_BTN_CFG_10MS
;
520 return DA7219_AAD_BTN_CFG_50MS
;
522 return DA7219_AAD_BTN_CFG_100MS
;
524 return DA7219_AAD_BTN_CFG_200MS
;
526 return DA7219_AAD_BTN_CFG_500MS
;
528 dev_warn(dev
, "Invalid button config");
529 return DA7219_AAD_BTN_CFG_10MS
;
533 static enum da7219_aad_mic_det_thr
534 da7219_aad_fw_mic_det_thr(struct device
*dev
, u32 val
)
538 return DA7219_AAD_MIC_DET_THR_200_OHMS
;
540 return DA7219_AAD_MIC_DET_THR_500_OHMS
;
542 return DA7219_AAD_MIC_DET_THR_750_OHMS
;
544 return DA7219_AAD_MIC_DET_THR_1000_OHMS
;
546 dev_warn(dev
, "Invalid mic detect threshold");
547 return DA7219_AAD_MIC_DET_THR_500_OHMS
;
551 static enum da7219_aad_jack_ins_deb
552 da7219_aad_fw_jack_ins_deb(struct device
*dev
, u32 val
)
556 return DA7219_AAD_JACK_INS_DEB_5MS
;
558 return DA7219_AAD_JACK_INS_DEB_10MS
;
560 return DA7219_AAD_JACK_INS_DEB_20MS
;
562 return DA7219_AAD_JACK_INS_DEB_50MS
;
564 return DA7219_AAD_JACK_INS_DEB_100MS
;
566 return DA7219_AAD_JACK_INS_DEB_200MS
;
568 return DA7219_AAD_JACK_INS_DEB_500MS
;
570 return DA7219_AAD_JACK_INS_DEB_1S
;
572 dev_warn(dev
, "Invalid jack insert debounce");
573 return DA7219_AAD_JACK_INS_DEB_20MS
;
577 static enum da7219_aad_jack_ins_det_pty
578 da7219_aad_fw_jack_ins_det_pty(struct device
*dev
, const char *str
)
580 if (!strcmp(str
, "low")) {
581 return DA7219_AAD_JACK_INS_DET_PTY_LOW
;
582 } else if (!strcmp(str
, "high")) {
583 return DA7219_AAD_JACK_INS_DET_PTY_HIGH
;
585 dev_warn(dev
, "Invalid jack insertion detection polarity");
586 return DA7219_AAD_JACK_INS_DET_PTY_LOW
;
590 static enum da7219_aad_jack_det_rate
591 da7219_aad_fw_jack_det_rate(struct device
*dev
, const char *str
)
593 if (!strcmp(str
, "32_64")) {
594 return DA7219_AAD_JACK_DET_RATE_32_64MS
;
595 } else if (!strcmp(str
, "64_128")) {
596 return DA7219_AAD_JACK_DET_RATE_64_128MS
;
597 } else if (!strcmp(str
, "128_256")) {
598 return DA7219_AAD_JACK_DET_RATE_128_256MS
;
599 } else if (!strcmp(str
, "256_512")) {
600 return DA7219_AAD_JACK_DET_RATE_256_512MS
;
602 dev_warn(dev
, "Invalid jack detect rate");
603 return DA7219_AAD_JACK_DET_RATE_256_512MS
;
607 static enum da7219_aad_jack_rem_deb
608 da7219_aad_fw_jack_rem_deb(struct device
*dev
, u32 val
)
612 return DA7219_AAD_JACK_REM_DEB_1MS
;
614 return DA7219_AAD_JACK_REM_DEB_5MS
;
616 return DA7219_AAD_JACK_REM_DEB_10MS
;
618 return DA7219_AAD_JACK_REM_DEB_20MS
;
620 dev_warn(dev
, "Invalid jack removal debounce");
621 return DA7219_AAD_JACK_REM_DEB_1MS
;
625 static enum da7219_aad_btn_avg
626 da7219_aad_fw_btn_avg(struct device
*dev
, u32 val
)
630 return DA7219_AAD_BTN_AVG_1
;
632 return DA7219_AAD_BTN_AVG_2
;
634 return DA7219_AAD_BTN_AVG_4
;
636 return DA7219_AAD_BTN_AVG_8
;
638 dev_warn(dev
, "Invalid button average value");
639 return DA7219_AAD_BTN_AVG_2
;
643 static enum da7219_aad_adc_1bit_rpt
644 da7219_aad_fw_adc_1bit_rpt(struct device
*dev
, u32 val
)
648 return DA7219_AAD_ADC_1BIT_RPT_1
;
650 return DA7219_AAD_ADC_1BIT_RPT_2
;
652 return DA7219_AAD_ADC_1BIT_RPT_4
;
654 return DA7219_AAD_ADC_1BIT_RPT_8
;
656 dev_warn(dev
, "Invalid ADC 1-bit repeat value");
657 return DA7219_AAD_ADC_1BIT_RPT_1
;
661 static struct da7219_aad_pdata
*da7219_aad_fw_to_pdata(struct device
*dev
)
663 struct i2c_client
*i2c
= to_i2c_client(dev
);
664 struct fwnode_handle
*aad_np
;
665 struct da7219_aad_pdata
*aad_pdata
;
669 aad_np
= device_get_named_child_node(dev
, "da7219_aad");
673 aad_pdata
= devm_kzalloc(dev
, sizeof(*aad_pdata
), GFP_KERNEL
);
675 fwnode_handle_put(aad_np
);
679 aad_pdata
->irq
= i2c
->irq
;
681 if (fwnode_property_read_u32(aad_np
, "dlg,micbias-pulse-lvl",
683 aad_pdata
->micbias_pulse_lvl
=
684 da7219_aad_fw_micbias_pulse_lvl(dev
, fw_val32
);
686 aad_pdata
->micbias_pulse_lvl
= DA7219_AAD_MICBIAS_PULSE_LVL_OFF
;
688 if (fwnode_property_read_u32(aad_np
, "dlg,micbias-pulse-time",
690 aad_pdata
->micbias_pulse_time
= fw_val32
;
692 if (fwnode_property_read_u32(aad_np
, "dlg,btn-cfg", &fw_val32
) >= 0)
693 aad_pdata
->btn_cfg
= da7219_aad_fw_btn_cfg(dev
, fw_val32
);
695 aad_pdata
->btn_cfg
= DA7219_AAD_BTN_CFG_10MS
;
697 if (fwnode_property_read_u32(aad_np
, "dlg,mic-det-thr", &fw_val32
) >= 0)
698 aad_pdata
->mic_det_thr
=
699 da7219_aad_fw_mic_det_thr(dev
, fw_val32
);
701 aad_pdata
->mic_det_thr
= DA7219_AAD_MIC_DET_THR_200_OHMS
;
703 if (fwnode_property_read_u32(aad_np
, "dlg,jack-ins-deb", &fw_val32
) >= 0)
704 aad_pdata
->jack_ins_deb
=
705 da7219_aad_fw_jack_ins_deb(dev
, fw_val32
);
707 aad_pdata
->jack_ins_deb
= DA7219_AAD_JACK_INS_DEB_20MS
;
709 if (!fwnode_property_read_string(aad_np
, "dlg,jack-ins-det-pty", &fw_str
))
710 aad_pdata
->jack_ins_det_pty
=
711 da7219_aad_fw_jack_ins_det_pty(dev
, fw_str
);
713 aad_pdata
->jack_ins_det_pty
= DA7219_AAD_JACK_INS_DET_PTY_LOW
;
715 if (!fwnode_property_read_string(aad_np
, "dlg,jack-det-rate", &fw_str
))
716 aad_pdata
->jack_det_rate
=
717 da7219_aad_fw_jack_det_rate(dev
, fw_str
);
719 aad_pdata
->jack_det_rate
= DA7219_AAD_JACK_DET_RATE_256_512MS
;
721 if (fwnode_property_read_u32(aad_np
, "dlg,jack-rem-deb", &fw_val32
) >= 0)
722 aad_pdata
->jack_rem_deb
=
723 da7219_aad_fw_jack_rem_deb(dev
, fw_val32
);
725 aad_pdata
->jack_rem_deb
= DA7219_AAD_JACK_REM_DEB_1MS
;
727 if (fwnode_property_read_u32(aad_np
, "dlg,a-d-btn-thr", &fw_val32
) >= 0)
728 aad_pdata
->a_d_btn_thr
= (u8
) fw_val32
;
730 aad_pdata
->a_d_btn_thr
= 0xA;
732 if (fwnode_property_read_u32(aad_np
, "dlg,d-b-btn-thr", &fw_val32
) >= 0)
733 aad_pdata
->d_b_btn_thr
= (u8
) fw_val32
;
735 aad_pdata
->d_b_btn_thr
= 0x16;
737 if (fwnode_property_read_u32(aad_np
, "dlg,b-c-btn-thr", &fw_val32
) >= 0)
738 aad_pdata
->b_c_btn_thr
= (u8
) fw_val32
;
740 aad_pdata
->b_c_btn_thr
= 0x21;
742 if (fwnode_property_read_u32(aad_np
, "dlg,c-mic-btn-thr", &fw_val32
) >= 0)
743 aad_pdata
->c_mic_btn_thr
= (u8
) fw_val32
;
745 aad_pdata
->c_mic_btn_thr
= 0x3E;
747 if (fwnode_property_read_u32(aad_np
, "dlg,btn-avg", &fw_val32
) >= 0)
748 aad_pdata
->btn_avg
= da7219_aad_fw_btn_avg(dev
, fw_val32
);
750 aad_pdata
->btn_avg
= DA7219_AAD_BTN_AVG_2
;
752 if (fwnode_property_read_u32(aad_np
, "dlg,adc-1bit-rpt", &fw_val32
) >= 0)
753 aad_pdata
->adc_1bit_rpt
=
754 da7219_aad_fw_adc_1bit_rpt(dev
, fw_val32
);
756 aad_pdata
->adc_1bit_rpt
= DA7219_AAD_ADC_1BIT_RPT_1
;
758 fwnode_handle_put(aad_np
);
763 static void da7219_aad_handle_pdata(struct snd_soc_component
*component
)
765 struct da7219_priv
*da7219
= snd_soc_component_get_drvdata(component
);
766 struct da7219_aad_priv
*da7219_aad
= da7219
->aad
;
767 struct da7219_pdata
*pdata
= da7219
->pdata
;
769 if ((pdata
) && (pdata
->aad_pdata
)) {
770 struct da7219_aad_pdata
*aad_pdata
= pdata
->aad_pdata
;
773 da7219_aad
->irq
= aad_pdata
->irq
;
775 switch (aad_pdata
->micbias_pulse_lvl
) {
776 case DA7219_AAD_MICBIAS_PULSE_LVL_2_8V
:
777 case DA7219_AAD_MICBIAS_PULSE_LVL_2_9V
:
778 da7219_aad
->micbias_pulse_lvl
=
779 (aad_pdata
->micbias_pulse_lvl
<<
780 DA7219_MICBIAS1_LEVEL_SHIFT
);
786 da7219_aad
->micbias_pulse_time
= aad_pdata
->micbias_pulse_time
;
788 switch (aad_pdata
->btn_cfg
) {
789 case DA7219_AAD_BTN_CFG_2MS
:
790 case DA7219_AAD_BTN_CFG_5MS
:
791 case DA7219_AAD_BTN_CFG_10MS
:
792 case DA7219_AAD_BTN_CFG_50MS
:
793 case DA7219_AAD_BTN_CFG_100MS
:
794 case DA7219_AAD_BTN_CFG_200MS
:
795 case DA7219_AAD_BTN_CFG_500MS
:
796 da7219_aad
->btn_cfg
= (aad_pdata
->btn_cfg
<<
797 DA7219_BUTTON_CONFIG_SHIFT
);
802 switch (aad_pdata
->mic_det_thr
) {
803 case DA7219_AAD_MIC_DET_THR_200_OHMS
:
804 case DA7219_AAD_MIC_DET_THR_500_OHMS
:
805 case DA7219_AAD_MIC_DET_THR_750_OHMS
:
806 case DA7219_AAD_MIC_DET_THR_1000_OHMS
:
807 cfg
|= (aad_pdata
->mic_det_thr
<<
808 DA7219_MIC_DET_THRESH_SHIFT
);
809 mask
|= DA7219_MIC_DET_THRESH_MASK
;
811 snd_soc_component_update_bits(component
, DA7219_ACCDET_CONFIG_1
, mask
, cfg
);
815 switch (aad_pdata
->jack_ins_deb
) {
816 case DA7219_AAD_JACK_INS_DEB_5MS
:
817 case DA7219_AAD_JACK_INS_DEB_10MS
:
818 case DA7219_AAD_JACK_INS_DEB_20MS
:
819 case DA7219_AAD_JACK_INS_DEB_50MS
:
820 case DA7219_AAD_JACK_INS_DEB_100MS
:
821 case DA7219_AAD_JACK_INS_DEB_200MS
:
822 case DA7219_AAD_JACK_INS_DEB_500MS
:
823 case DA7219_AAD_JACK_INS_DEB_1S
:
824 cfg
|= (aad_pdata
->jack_ins_deb
<<
825 DA7219_JACKDET_DEBOUNCE_SHIFT
);
826 mask
|= DA7219_JACKDET_DEBOUNCE_MASK
;
828 switch (aad_pdata
->jack_det_rate
) {
829 case DA7219_AAD_JACK_DET_RATE_32_64MS
:
830 case DA7219_AAD_JACK_DET_RATE_64_128MS
:
831 case DA7219_AAD_JACK_DET_RATE_128_256MS
:
832 case DA7219_AAD_JACK_DET_RATE_256_512MS
:
833 cfg
|= (aad_pdata
->jack_det_rate
<<
834 DA7219_JACK_DETECT_RATE_SHIFT
);
835 mask
|= DA7219_JACK_DETECT_RATE_MASK
;
837 switch (aad_pdata
->jack_rem_deb
) {
838 case DA7219_AAD_JACK_REM_DEB_1MS
:
839 case DA7219_AAD_JACK_REM_DEB_5MS
:
840 case DA7219_AAD_JACK_REM_DEB_10MS
:
841 case DA7219_AAD_JACK_REM_DEB_20MS
:
842 cfg
|= (aad_pdata
->jack_rem_deb
<<
843 DA7219_JACKDET_REM_DEB_SHIFT
);
844 mask
|= DA7219_JACKDET_REM_DEB_MASK
;
846 snd_soc_component_update_bits(component
, DA7219_ACCDET_CONFIG_2
, mask
, cfg
);
848 snd_soc_component_write(component
, DA7219_ACCDET_CONFIG_3
,
849 aad_pdata
->a_d_btn_thr
);
850 snd_soc_component_write(component
, DA7219_ACCDET_CONFIG_4
,
851 aad_pdata
->d_b_btn_thr
);
852 snd_soc_component_write(component
, DA7219_ACCDET_CONFIG_5
,
853 aad_pdata
->b_c_btn_thr
);
854 snd_soc_component_write(component
, DA7219_ACCDET_CONFIG_6
,
855 aad_pdata
->c_mic_btn_thr
);
859 switch (aad_pdata
->btn_avg
) {
860 case DA7219_AAD_BTN_AVG_1
:
861 case DA7219_AAD_BTN_AVG_2
:
862 case DA7219_AAD_BTN_AVG_4
:
863 case DA7219_AAD_BTN_AVG_8
:
864 cfg
|= (aad_pdata
->btn_avg
<<
865 DA7219_BUTTON_AVERAGE_SHIFT
);
866 mask
|= DA7219_BUTTON_AVERAGE_MASK
;
868 switch (aad_pdata
->adc_1bit_rpt
) {
869 case DA7219_AAD_ADC_1BIT_RPT_1
:
870 case DA7219_AAD_ADC_1BIT_RPT_2
:
871 case DA7219_AAD_ADC_1BIT_RPT_4
:
872 case DA7219_AAD_ADC_1BIT_RPT_8
:
873 cfg
|= (aad_pdata
->adc_1bit_rpt
<<
874 DA7219_ADC_1_BIT_REPEAT_SHIFT
);
875 mask
|= DA7219_ADC_1_BIT_REPEAT_MASK
;
877 snd_soc_component_update_bits(component
, DA7219_ACCDET_CONFIG_7
, mask
, cfg
);
879 switch (aad_pdata
->jack_ins_det_pty
) {
880 case DA7219_AAD_JACK_INS_DET_PTY_LOW
:
881 snd_soc_component_write(component
, 0xF0, 0x8B);
882 snd_soc_component_write(component
, 0x75, 0x80);
883 snd_soc_component_write(component
, 0xF0, 0x00);
885 case DA7219_AAD_JACK_INS_DET_PTY_HIGH
:
886 snd_soc_component_write(component
, 0xF0, 0x8B);
887 snd_soc_component_write(component
, 0x75, 0x00);
888 snd_soc_component_write(component
, 0xF0, 0x00);
896 static void da7219_aad_handle_gnd_switch_time(struct snd_soc_component
*component
)
898 struct da7219_priv
*da7219
= snd_soc_component_get_drvdata(component
);
899 struct da7219_aad_priv
*da7219_aad
= da7219
->aad
;
902 jack_det
= snd_soc_component_read(component
, DA7219_ACCDET_CONFIG_2
)
903 & DA7219_JACK_DETECT_RATE_MASK
;
906 da7219_aad
->gnd_switch_delay
= 32;
909 da7219_aad
->gnd_switch_delay
= 64;
912 da7219_aad
->gnd_switch_delay
= 128;
915 da7219_aad
->gnd_switch_delay
= 256;
918 da7219_aad
->gnd_switch_delay
= 32;
927 void da7219_aad_suspend(struct snd_soc_component
*component
)
929 struct da7219_priv
*da7219
= snd_soc_component_get_drvdata(component
);
930 struct da7219_aad_priv
*da7219_aad
= da7219
->aad
;
931 struct snd_soc_dapm_context
*dapm
= snd_soc_component_get_dapm(component
);
934 disable_irq(da7219_aad
->irq
);
936 if (da7219_aad
->jack
) {
937 /* Disable jack detection during suspend */
938 snd_soc_component_update_bits(component
, DA7219_ACCDET_CONFIG_1
,
939 DA7219_ACCDET_EN_MASK
, 0);
940 cancel_delayed_work_sync(&da7219_aad
->jack_det_work
);
941 /* Disable ground switch */
942 snd_soc_component_update_bits(component
, 0xFB, 0x01, 0x00);
945 * If we have a 4-pole jack inserted, then micbias will be
946 * enabled. We can disable micbias here, and keep a note to
947 * re-enable it on resume. If jack removal occurred during
948 * suspend then this will be dealt with through the IRQ handler.
950 if (da7219_aad
->jack_inserted
) {
951 micbias_ctrl
= snd_soc_component_read(component
, DA7219_MICBIAS_CTRL
);
952 if (micbias_ctrl
& DA7219_MICBIAS1_EN_MASK
) {
953 snd_soc_dapm_disable_pin(dapm
, "Mic Bias");
954 snd_soc_dapm_sync(dapm
);
955 da7219_aad
->micbias_resume_enable
= true;
961 void da7219_aad_resume(struct snd_soc_component
*component
)
963 struct da7219_priv
*da7219
= snd_soc_component_get_drvdata(component
);
964 struct da7219_aad_priv
*da7219_aad
= da7219
->aad
;
965 struct snd_soc_dapm_context
*dapm
= snd_soc_component_get_dapm(component
);
967 if (da7219_aad
->jack
) {
968 /* Re-enable micbias if previously enabled for 4-pole jack */
969 if (da7219_aad
->jack_inserted
&&
970 da7219_aad
->micbias_resume_enable
) {
971 snd_soc_dapm_force_enable_pin(dapm
, "Mic Bias");
972 snd_soc_dapm_sync(dapm
);
973 da7219_aad
->micbias_resume_enable
= false;
976 /* Re-enable jack detection */
977 snd_soc_component_update_bits(component
, DA7219_ACCDET_CONFIG_1
,
978 DA7219_ACCDET_EN_MASK
,
979 DA7219_ACCDET_EN_MASK
);
982 enable_irq(da7219_aad
->irq
);
990 int da7219_aad_init(struct snd_soc_component
*component
)
992 struct da7219_priv
*da7219
= snd_soc_component_get_drvdata(component
);
993 struct da7219_aad_priv
*da7219_aad
= da7219
->aad
;
994 u8 mask
[DA7219_AAD_IRQ_REG_MAX
];
997 da7219_aad
->component
= component
;
999 /* Handle any DT/ACPI/platform data */
1000 da7219_aad_handle_pdata(component
);
1002 /* Disable button detection */
1003 snd_soc_component_update_bits(component
, DA7219_ACCDET_CONFIG_1
,
1004 DA7219_BUTTON_CONFIG_MASK
, 0);
1006 da7219_aad_handle_gnd_switch_time(component
);
1008 da7219_aad
->aad_wq
= create_singlethread_workqueue("da7219-aad");
1009 if (!da7219_aad
->aad_wq
) {
1010 dev_err(component
->dev
, "Failed to create aad workqueue\n");
1014 INIT_DELAYED_WORK(&da7219_aad
->jack_det_work
, da7219_aad_jack_det_work
);
1015 INIT_WORK(&da7219_aad
->btn_det_work
, da7219_aad_btn_det_work
);
1016 INIT_WORK(&da7219_aad
->hptest_work
, da7219_aad_hptest_work
);
1018 ret
= request_threaded_irq(da7219_aad
->irq
, NULL
,
1019 da7219_aad_irq_thread
,
1020 IRQF_TRIGGER_LOW
| IRQF_ONESHOT
,
1021 "da7219-aad", da7219_aad
);
1023 dev_err(component
->dev
, "Failed to request IRQ: %d\n", ret
);
1027 /* Unmask AAD IRQs */
1028 memset(mask
, 0, DA7219_AAD_IRQ_REG_MAX
);
1029 regmap_bulk_write(da7219
->regmap
, DA7219_ACCDET_IRQ_MASK_A
,
1030 &mask
, DA7219_AAD_IRQ_REG_MAX
);
1035 void da7219_aad_exit(struct snd_soc_component
*component
)
1037 struct da7219_priv
*da7219
= snd_soc_component_get_drvdata(component
);
1038 struct da7219_aad_priv
*da7219_aad
= da7219
->aad
;
1039 u8 mask
[DA7219_AAD_IRQ_REG_MAX
];
1041 /* Mask off AAD IRQs */
1042 memset(mask
, DA7219_BYTE_MASK
, DA7219_AAD_IRQ_REG_MAX
);
1043 regmap_bulk_write(da7219
->regmap
, DA7219_ACCDET_IRQ_MASK_A
,
1044 mask
, DA7219_AAD_IRQ_REG_MAX
);
1046 free_irq(da7219_aad
->irq
, da7219_aad
);
1048 cancel_delayed_work_sync(&da7219_aad
->jack_det_work
);
1049 cancel_work_sync(&da7219_aad
->btn_det_work
);
1050 cancel_work_sync(&da7219_aad
->hptest_work
);
1051 destroy_workqueue(da7219_aad
->aad_wq
);
1055 * AAD related I2C probe handling
1058 int da7219_aad_probe(struct i2c_client
*i2c
)
1060 struct da7219_priv
*da7219
= i2c_get_clientdata(i2c
);
1061 struct device
*dev
= &i2c
->dev
;
1062 struct da7219_aad_priv
*da7219_aad
;
1064 da7219_aad
= devm_kzalloc(dev
, sizeof(*da7219_aad
), GFP_KERNEL
);
1068 da7219
->aad
= da7219_aad
;
1070 /* Retrieve any DT/ACPI/platform data */
1071 if (da7219
->pdata
&& !da7219
->pdata
->aad_pdata
)
1072 da7219
->pdata
->aad_pdata
= da7219_aad_fw_to_pdata(dev
);
1077 MODULE_DESCRIPTION("ASoC DA7219 AAD Driver");
1078 MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>");
1079 MODULE_AUTHOR("David Rau <David.Rau.opensource@dm.renesas.com>");
1080 MODULE_LICENSE("GPL");