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6d817c0e AT |
1 | /* |
2 | * da7219-aad.c - Dialog DA7219 ALSA SoC AAD Driver | |
3 | * | |
4 | * Copyright (c) 2015 Dialog Semiconductor Ltd. | |
5 | * | |
6 | * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation; either version 2 of the License, or (at your | |
11 | * option) any later version. | |
12 | */ | |
13 | ||
14 | #include <linux/module.h> | |
15 | #include <linux/platform_device.h> | |
40585391 | 16 | #include <linux/clk.h> |
a01b8933 AT |
17 | #include <linux/i2c.h> |
18 | #include <linux/property.h> | |
6d817c0e AT |
19 | #include <linux/pm_wakeirq.h> |
20 | #include <linux/slab.h> | |
21 | #include <linux/delay.h> | |
22 | #include <linux/workqueue.h> | |
23 | #include <sound/soc.h> | |
24 | #include <sound/jack.h> | |
25 | #include <sound/da7219.h> | |
26 | ||
27 | #include "da7219.h" | |
28 | #include "da7219-aad.h" | |
29 | ||
30 | ||
31 | /* | |
32 | * Detection control | |
33 | */ | |
34 | ||
35 | void da7219_aad_jack_det(struct snd_soc_codec *codec, struct snd_soc_jack *jack) | |
36 | { | |
37 | struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); | |
38 | ||
39 | da7219->aad->jack = jack; | |
40 | da7219->aad->jack_inserted = false; | |
41 | ||
42 | /* Send an initial empty report */ | |
43 | snd_soc_jack_report(jack, 0, DA7219_AAD_REPORT_ALL_MASK); | |
44 | ||
45 | /* Enable/Disable jack detection */ | |
46 | snd_soc_update_bits(codec, DA7219_ACCDET_CONFIG_1, | |
47 | DA7219_ACCDET_EN_MASK, | |
48 | (jack ? DA7219_ACCDET_EN_MASK : 0)); | |
49 | } | |
50 | EXPORT_SYMBOL_GPL(da7219_aad_jack_det); | |
51 | ||
52 | /* | |
53 | * Button/HPTest work | |
54 | */ | |
55 | ||
56 | static void da7219_aad_btn_det_work(struct work_struct *work) | |
57 | { | |
58 | struct da7219_aad_priv *da7219_aad = | |
59 | container_of(work, struct da7219_aad_priv, btn_det_work); | |
60 | struct snd_soc_codec *codec = da7219_aad->codec; | |
61 | struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec); | |
62 | u8 statusa, micbias_ctrl; | |
63 | bool micbias_up = false; | |
64 | int retries = 0; | |
65 | ||
66 | /* Drive headphones/lineout */ | |
67 | snd_soc_update_bits(codec, DA7219_HP_L_CTRL, | |
68 | DA7219_HP_L_AMP_OE_MASK, | |
69 | DA7219_HP_L_AMP_OE_MASK); | |
70 | snd_soc_update_bits(codec, DA7219_HP_R_CTRL, | |
71 | DA7219_HP_R_AMP_OE_MASK, | |
72 | DA7219_HP_R_AMP_OE_MASK); | |
73 | ||
74 | /* Make sure mic bias is up */ | |
75 | snd_soc_dapm_force_enable_pin(dapm, "Mic Bias"); | |
76 | snd_soc_dapm_sync(dapm); | |
77 | ||
78 | do { | |
79 | statusa = snd_soc_read(codec, DA7219_ACCDET_STATUS_A); | |
80 | if (statusa & DA7219_MICBIAS_UP_STS_MASK) | |
81 | micbias_up = true; | |
82 | else if (retries++ < DA7219_AAD_MICBIAS_CHK_RETRIES) | |
83 | msleep(DA7219_AAD_MICBIAS_CHK_DELAY); | |
84 | } while ((!micbias_up) && (retries < DA7219_AAD_MICBIAS_CHK_RETRIES)); | |
85 | ||
86 | if (retries >= DA7219_AAD_MICBIAS_CHK_RETRIES) | |
87 | dev_warn(codec->dev, "Mic bias status check timed out"); | |
88 | ||
89 | /* | |
90 | * Mic bias pulse required to enable mic, must be done before enabling | |
91 | * button detection to prevent erroneous button readings. | |
92 | */ | |
93 | if (da7219_aad->micbias_pulse_lvl && da7219_aad->micbias_pulse_time) { | |
94 | /* Pulse higher level voltage */ | |
95 | micbias_ctrl = snd_soc_read(codec, DA7219_MICBIAS_CTRL); | |
96 | snd_soc_update_bits(codec, DA7219_MICBIAS_CTRL, | |
97 | DA7219_MICBIAS1_LEVEL_MASK, | |
98 | da7219_aad->micbias_pulse_lvl); | |
99 | msleep(da7219_aad->micbias_pulse_time); | |
100 | snd_soc_write(codec, DA7219_MICBIAS_CTRL, micbias_ctrl); | |
101 | ||
102 | } | |
103 | ||
104 | snd_soc_update_bits(codec, DA7219_ACCDET_CONFIG_1, | |
105 | DA7219_BUTTON_CONFIG_MASK, | |
106 | da7219_aad->btn_cfg); | |
107 | } | |
108 | ||
109 | static void da7219_aad_hptest_work(struct work_struct *work) | |
110 | { | |
111 | struct da7219_aad_priv *da7219_aad = | |
112 | container_of(work, struct da7219_aad_priv, hptest_work); | |
113 | struct snd_soc_codec *codec = da7219_aad->codec; | |
114 | struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec); | |
115 | struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); | |
116 | ||
117 | u16 tonegen_freq_hptest; | |
2a0c2189 | 118 | u8 pll_srm_sts, pll_ctrl, gain_ramp_ctrl, accdet_cfg8; |
40585391 | 119 | int report = 0, ret = 0; |
6d817c0e | 120 | |
2a0c2189 | 121 | /* Lock DAPM, Kcontrols affected by this test and the PLL */ |
6d817c0e | 122 | snd_soc_dapm_mutex_lock(dapm); |
2a0c2189 AT |
123 | mutex_lock(&da7219->ctrl_lock); |
124 | mutex_lock(&da7219->pll_lock); | |
6d817c0e | 125 | |
40585391 AT |
126 | /* Ensure MCLK is available for HP test procedure */ |
127 | if (da7219->mclk) { | |
128 | ret = clk_prepare_enable(da7219->mclk); | |
129 | if (ret) { | |
130 | dev_err(codec->dev, "Failed to enable mclk - %d\n", ret); | |
2a0c2189 AT |
131 | mutex_unlock(&da7219->pll_lock); |
132 | mutex_unlock(&da7219->ctrl_lock); | |
40585391 AT |
133 | snd_soc_dapm_mutex_unlock(dapm); |
134 | return; | |
135 | } | |
136 | } | |
137 | ||
6a0b87c6 AT |
138 | /* |
139 | * If MCLK not present, then we're using the internal oscillator and | |
140 | * require different frequency settings to achieve the same result. | |
2a0c2189 AT |
141 | * |
142 | * If MCLK is present, but PLL is not enabled then we enable it here to | |
143 | * ensure a consistent detection procedure. | |
6a0b87c6 AT |
144 | */ |
145 | pll_srm_sts = snd_soc_read(codec, DA7219_PLL_SRM_STS); | |
2a0c2189 | 146 | if (pll_srm_sts & DA7219_PLL_SRM_STS_MCLK) { |
6a0b87c6 | 147 | tonegen_freq_hptest = cpu_to_le16(DA7219_AAD_HPTEST_RAMP_FREQ); |
2a0c2189 AT |
148 | |
149 | pll_ctrl = snd_soc_read(codec, DA7219_PLL_CTRL); | |
150 | if ((pll_ctrl & DA7219_PLL_MODE_MASK) == DA7219_PLL_MODE_BYPASS) | |
151 | da7219_set_pll(codec, DA7219_SYSCLK_PLL, | |
152 | DA7219_PLL_FREQ_OUT_98304); | |
153 | } else { | |
6a0b87c6 | 154 | tonegen_freq_hptest = cpu_to_le16(DA7219_AAD_HPTEST_RAMP_FREQ_INT_OSC); |
2a0c2189 | 155 | } |
6a0b87c6 AT |
156 | |
157 | /* Ensure gain ramping at fastest rate */ | |
158 | gain_ramp_ctrl = snd_soc_read(codec, DA7219_GAIN_RAMP_CTRL); | |
159 | snd_soc_write(codec, DA7219_GAIN_RAMP_CTRL, DA7219_GAIN_RAMP_RATE_X8); | |
160 | ||
6d817c0e AT |
161 | /* Bypass cache so it saves current settings */ |
162 | regcache_cache_bypass(da7219->regmap, true); | |
163 | ||
164 | /* Make sure Tone Generator is disabled */ | |
165 | snd_soc_write(codec, DA7219_TONE_GEN_CFG1, 0); | |
166 | ||
167 | /* Enable HPTest block, 1KOhms check */ | |
168 | snd_soc_update_bits(codec, DA7219_ACCDET_CONFIG_8, | |
169 | DA7219_HPTEST_EN_MASK | DA7219_HPTEST_RES_SEL_MASK, | |
170 | DA7219_HPTEST_EN_MASK | | |
171 | DA7219_HPTEST_RES_SEL_1KOHMS); | |
172 | ||
173 | /* Set gains to 0db */ | |
174 | snd_soc_write(codec, DA7219_DAC_L_GAIN, DA7219_DAC_DIGITAL_GAIN_0DB); | |
175 | snd_soc_write(codec, DA7219_DAC_R_GAIN, DA7219_DAC_DIGITAL_GAIN_0DB); | |
176 | snd_soc_write(codec, DA7219_HP_L_GAIN, DA7219_HP_AMP_GAIN_0DB); | |
177 | snd_soc_write(codec, DA7219_HP_R_GAIN, DA7219_HP_AMP_GAIN_0DB); | |
178 | ||
179 | /* Disable DAC filters, EQs and soft mute */ | |
180 | snd_soc_update_bits(codec, DA7219_DAC_FILTERS1, DA7219_HPF_MODE_MASK, | |
181 | 0); | |
182 | snd_soc_update_bits(codec, DA7219_DAC_FILTERS4, DA7219_DAC_EQ_EN_MASK, | |
183 | 0); | |
184 | snd_soc_update_bits(codec, DA7219_DAC_FILTERS5, | |
185 | DA7219_DAC_SOFTMUTE_EN_MASK, 0); | |
186 | ||
187 | /* Enable HP left & right paths */ | |
188 | snd_soc_update_bits(codec, DA7219_CP_CTRL, DA7219_CP_EN_MASK, | |
189 | DA7219_CP_EN_MASK); | |
190 | snd_soc_update_bits(codec, DA7219_DIG_ROUTING_DAC, | |
191 | DA7219_DAC_L_SRC_MASK | DA7219_DAC_R_SRC_MASK, | |
192 | DA7219_DAC_L_SRC_TONEGEN | | |
193 | DA7219_DAC_R_SRC_TONEGEN); | |
194 | snd_soc_update_bits(codec, DA7219_DAC_L_CTRL, | |
195 | DA7219_DAC_L_EN_MASK | DA7219_DAC_L_MUTE_EN_MASK, | |
196 | DA7219_DAC_L_EN_MASK); | |
197 | snd_soc_update_bits(codec, DA7219_DAC_R_CTRL, | |
198 | DA7219_DAC_R_EN_MASK | DA7219_DAC_R_MUTE_EN_MASK, | |
199 | DA7219_DAC_R_EN_MASK); | |
200 | snd_soc_update_bits(codec, DA7219_MIXOUT_L_SELECT, | |
201 | DA7219_MIXOUT_L_MIX_SELECT_MASK, | |
202 | DA7219_MIXOUT_L_MIX_SELECT_MASK); | |
203 | snd_soc_update_bits(codec, DA7219_MIXOUT_R_SELECT, | |
204 | DA7219_MIXOUT_R_MIX_SELECT_MASK, | |
205 | DA7219_MIXOUT_R_MIX_SELECT_MASK); | |
206 | snd_soc_update_bits(codec, DA7219_DROUTING_ST_OUTFILT_1L, | |
207 | DA7219_OUTFILT_ST_1L_SRC_MASK, | |
208 | DA7219_DMIX_ST_SRC_OUTFILT1L); | |
209 | snd_soc_update_bits(codec, DA7219_DROUTING_ST_OUTFILT_1R, | |
210 | DA7219_OUTFILT_ST_1R_SRC_MASK, | |
211 | DA7219_DMIX_ST_SRC_OUTFILT1R); | |
212 | snd_soc_update_bits(codec, DA7219_MIXOUT_L_CTRL, | |
213 | DA7219_MIXOUT_L_AMP_EN_MASK, | |
214 | DA7219_MIXOUT_L_AMP_EN_MASK); | |
215 | snd_soc_update_bits(codec, DA7219_MIXOUT_R_CTRL, | |
216 | DA7219_MIXOUT_R_AMP_EN_MASK, | |
217 | DA7219_MIXOUT_R_AMP_EN_MASK); | |
86834511 AT |
218 | snd_soc_update_bits(codec, DA7219_HP_L_CTRL, |
219 | DA7219_HP_L_AMP_OE_MASK | DA7219_HP_L_AMP_EN_MASK, | |
220 | DA7219_HP_L_AMP_OE_MASK | DA7219_HP_L_AMP_EN_MASK); | |
221 | snd_soc_update_bits(codec, DA7219_HP_R_CTRL, | |
222 | DA7219_HP_R_AMP_OE_MASK | DA7219_HP_R_AMP_EN_MASK, | |
223 | DA7219_HP_R_AMP_OE_MASK | DA7219_HP_R_AMP_EN_MASK); | |
224 | msleep(DA7219_SETTLING_DELAY); | |
225 | snd_soc_update_bits(codec, DA7219_HP_L_CTRL, | |
226 | DA7219_HP_L_AMP_MUTE_EN_MASK | | |
227 | DA7219_HP_L_AMP_MIN_GAIN_EN_MASK, 0); | |
228 | snd_soc_update_bits(codec, DA7219_HP_R_CTRL, | |
229 | DA7219_HP_R_AMP_MUTE_EN_MASK | | |
230 | DA7219_HP_R_AMP_MIN_GAIN_EN_MASK, 0); | |
6d817c0e | 231 | |
6a0b87c6 AT |
232 | /* |
233 | * If we're running from the internal oscillator then give audio paths | |
234 | * time to settle before running test. | |
235 | */ | |
236 | if (!(pll_srm_sts & DA7219_PLL_SRM_STS_MCLK)) | |
237 | msleep(DA7219_AAD_HPTEST_INT_OSC_PATH_DELAY); | |
238 | ||
6d817c0e AT |
239 | /* Configure & start Tone Generator */ |
240 | snd_soc_write(codec, DA7219_TONE_GEN_ON_PER, DA7219_BEEP_ON_PER_MASK); | |
6d817c0e AT |
241 | regmap_raw_write(da7219->regmap, DA7219_TONE_GEN_FREQ1_L, |
242 | &tonegen_freq_hptest, sizeof(tonegen_freq_hptest)); | |
243 | snd_soc_update_bits(codec, DA7219_TONE_GEN_CFG2, | |
244 | DA7219_SWG_SEL_MASK | DA7219_TONE_GEN_GAIN_MASK, | |
245 | DA7219_SWG_SEL_SRAMP | | |
246 | DA7219_TONE_GEN_GAIN_MINUS_15DB); | |
247 | snd_soc_write(codec, DA7219_TONE_GEN_CFG1, DA7219_START_STOPN_MASK); | |
248 | ||
249 | msleep(DA7219_AAD_HPTEST_PERIOD); | |
250 | ||
251 | /* Grab comparator reading */ | |
252 | accdet_cfg8 = snd_soc_read(codec, DA7219_ACCDET_CONFIG_8); | |
253 | if (accdet_cfg8 & DA7219_HPTEST_COMP_MASK) | |
254 | report |= SND_JACK_HEADPHONE; | |
255 | else | |
256 | report |= SND_JACK_LINEOUT; | |
257 | ||
258 | /* Stop tone generator */ | |
259 | snd_soc_write(codec, DA7219_TONE_GEN_CFG1, 0); | |
260 | ||
261 | msleep(DA7219_AAD_HPTEST_PERIOD); | |
262 | ||
263 | /* Restore original settings from cache */ | |
264 | regcache_mark_dirty(da7219->regmap); | |
265 | regcache_sync_region(da7219->regmap, DA7219_HP_L_CTRL, | |
266 | DA7219_HP_R_CTRL); | |
86834511 | 267 | msleep(DA7219_SETTLING_DELAY); |
6d817c0e AT |
268 | regcache_sync_region(da7219->regmap, DA7219_MIXOUT_L_CTRL, |
269 | DA7219_MIXOUT_R_CTRL); | |
270 | regcache_sync_region(da7219->regmap, DA7219_DROUTING_ST_OUTFILT_1L, | |
271 | DA7219_DROUTING_ST_OUTFILT_1R); | |
272 | regcache_sync_region(da7219->regmap, DA7219_MIXOUT_L_SELECT, | |
273 | DA7219_MIXOUT_R_SELECT); | |
274 | regcache_sync_region(da7219->regmap, DA7219_DAC_L_CTRL, | |
275 | DA7219_DAC_R_CTRL); | |
276 | regcache_sync_region(da7219->regmap, DA7219_DIG_ROUTING_DAC, | |
277 | DA7219_DIG_ROUTING_DAC); | |
278 | regcache_sync_region(da7219->regmap, DA7219_CP_CTRL, DA7219_CP_CTRL); | |
279 | regcache_sync_region(da7219->regmap, DA7219_DAC_FILTERS5, | |
280 | DA7219_DAC_FILTERS5); | |
281 | regcache_sync_region(da7219->regmap, DA7219_DAC_FILTERS4, | |
282 | DA7219_DAC_FILTERS1); | |
283 | regcache_sync_region(da7219->regmap, DA7219_HP_L_GAIN, | |
284 | DA7219_HP_R_GAIN); | |
285 | regcache_sync_region(da7219->regmap, DA7219_DAC_L_GAIN, | |
286 | DA7219_DAC_R_GAIN); | |
287 | regcache_sync_region(da7219->regmap, DA7219_TONE_GEN_ON_PER, | |
288 | DA7219_TONE_GEN_ON_PER); | |
289 | regcache_sync_region(da7219->regmap, DA7219_TONE_GEN_FREQ1_L, | |
290 | DA7219_TONE_GEN_FREQ1_U); | |
291 | regcache_sync_region(da7219->regmap, DA7219_TONE_GEN_CFG1, | |
292 | DA7219_TONE_GEN_CFG2); | |
293 | ||
294 | regcache_cache_bypass(da7219->regmap, false); | |
295 | ||
296 | /* Disable HPTest block */ | |
297 | snd_soc_update_bits(codec, DA7219_ACCDET_CONFIG_8, | |
298 | DA7219_HPTEST_EN_MASK, 0); | |
299 | ||
6a0b87c6 AT |
300 | /* |
301 | * If we're running from the internal oscillator then give audio paths | |
302 | * time to settle before allowing headphones to be driven as required. | |
303 | */ | |
304 | if (!(pll_srm_sts & DA7219_PLL_SRM_STS_MCLK)) | |
305 | msleep(DA7219_AAD_HPTEST_INT_OSC_PATH_DELAY); | |
306 | ||
307 | /* Restore gain ramping rate */ | |
308 | snd_soc_write(codec, DA7219_GAIN_RAMP_CTRL, gain_ramp_ctrl); | |
309 | ||
6d817c0e AT |
310 | /* Drive Headphones/lineout */ |
311 | snd_soc_update_bits(codec, DA7219_HP_L_CTRL, DA7219_HP_L_AMP_OE_MASK, | |
312 | DA7219_HP_L_AMP_OE_MASK); | |
313 | snd_soc_update_bits(codec, DA7219_HP_R_CTRL, DA7219_HP_R_AMP_OE_MASK, | |
314 | DA7219_HP_R_AMP_OE_MASK); | |
315 | ||
2a0c2189 AT |
316 | /* Restore PLL to previous configuration, if re-configured */ |
317 | if ((pll_srm_sts & DA7219_PLL_SRM_STS_MCLK) && | |
318 | ((pll_ctrl & DA7219_PLL_MODE_MASK) == DA7219_PLL_MODE_BYPASS)) | |
319 | da7219_set_pll(codec, DA7219_SYSCLK_MCLK, 0); | |
320 | ||
40585391 AT |
321 | /* Remove MCLK, if previously enabled */ |
322 | if (da7219->mclk) | |
323 | clk_disable_unprepare(da7219->mclk); | |
324 | ||
2a0c2189 AT |
325 | mutex_unlock(&da7219->pll_lock); |
326 | mutex_unlock(&da7219->ctrl_lock); | |
6d817c0e AT |
327 | snd_soc_dapm_mutex_unlock(dapm); |
328 | ||
329 | /* | |
330 | * Only send report if jack hasn't been removed during process, | |
331 | * otherwise it's invalid and we drop it. | |
332 | */ | |
333 | if (da7219_aad->jack_inserted) | |
334 | snd_soc_jack_report(da7219_aad->jack, report, | |
335 | SND_JACK_HEADSET | SND_JACK_LINEOUT); | |
336 | } | |
337 | ||
338 | ||
339 | /* | |
340 | * IRQ | |
341 | */ | |
342 | ||
343 | static irqreturn_t da7219_aad_irq_thread(int irq, void *data) | |
344 | { | |
345 | struct da7219_aad_priv *da7219_aad = data; | |
346 | struct snd_soc_codec *codec = da7219_aad->codec; | |
347 | struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec); | |
348 | struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); | |
349 | u8 events[DA7219_AAD_IRQ_REG_MAX]; | |
350 | u8 statusa; | |
351 | int i, report = 0, mask = 0; | |
352 | ||
353 | /* Read current IRQ events */ | |
354 | regmap_bulk_read(da7219->regmap, DA7219_ACCDET_IRQ_EVENT_A, | |
355 | events, DA7219_AAD_IRQ_REG_MAX); | |
356 | ||
357 | if (!events[DA7219_AAD_IRQ_REG_A] && !events[DA7219_AAD_IRQ_REG_B]) | |
358 | return IRQ_NONE; | |
359 | ||
360 | /* Read status register for jack insertion & type status */ | |
361 | statusa = snd_soc_read(codec, DA7219_ACCDET_STATUS_A); | |
362 | ||
363 | /* Clear events */ | |
364 | regmap_bulk_write(da7219->regmap, DA7219_ACCDET_IRQ_EVENT_A, | |
365 | events, DA7219_AAD_IRQ_REG_MAX); | |
366 | ||
367 | dev_dbg(codec->dev, "IRQ events = 0x%x|0x%x, status = 0x%x\n", | |
368 | events[DA7219_AAD_IRQ_REG_A], events[DA7219_AAD_IRQ_REG_B], | |
369 | statusa); | |
370 | ||
371 | if (statusa & DA7219_JACK_INSERTION_STS_MASK) { | |
372 | /* Jack Insertion */ | |
373 | if (events[DA7219_AAD_IRQ_REG_A] & | |
374 | DA7219_E_JACK_INSERTED_MASK) { | |
375 | report |= SND_JACK_MECHANICAL; | |
376 | mask |= SND_JACK_MECHANICAL; | |
377 | da7219_aad->jack_inserted = true; | |
378 | } | |
379 | ||
380 | /* Jack type detection */ | |
381 | if (events[DA7219_AAD_IRQ_REG_A] & | |
382 | DA7219_E_JACK_DETECT_COMPLETE_MASK) { | |
383 | /* | |
384 | * If 4-pole, then enable button detection, else perform | |
385 | * HP impedance test to determine output type to report. | |
386 | * | |
387 | * We schedule work here as the tasks themselves can | |
388 | * take time to complete, and in particular for hptest | |
389 | * we want to be able to check if the jack was removed | |
390 | * during the procedure as this will invalidate the | |
391 | * result. By doing this as work, the IRQ thread can | |
392 | * handle a removal, and we can check at the end of | |
393 | * hptest if we have a valid result or not. | |
394 | */ | |
395 | if (statusa & DA7219_JACK_TYPE_STS_MASK) { | |
396 | report |= SND_JACK_HEADSET; | |
397 | mask |= SND_JACK_HEADSET | SND_JACK_LINEOUT; | |
398 | schedule_work(&da7219_aad->btn_det_work); | |
399 | } else { | |
400 | schedule_work(&da7219_aad->hptest_work); | |
401 | } | |
402 | } | |
403 | ||
404 | /* Button support for 4-pole jack */ | |
405 | if (statusa & DA7219_JACK_TYPE_STS_MASK) { | |
406 | for (i = 0; i < DA7219_AAD_MAX_BUTTONS; ++i) { | |
407 | /* Button Press */ | |
408 | if (events[DA7219_AAD_IRQ_REG_B] & | |
409 | (DA7219_E_BUTTON_A_PRESSED_MASK << i)) { | |
410 | report |= SND_JACK_BTN_0 >> i; | |
411 | mask |= SND_JACK_BTN_0 >> i; | |
412 | } | |
413 | } | |
414 | snd_soc_jack_report(da7219_aad->jack, report, mask); | |
415 | ||
416 | for (i = 0; i < DA7219_AAD_MAX_BUTTONS; ++i) { | |
417 | /* Button Release */ | |
418 | if (events[DA7219_AAD_IRQ_REG_B] & | |
419 | (DA7219_E_BUTTON_A_RELEASED_MASK >> i)) { | |
420 | report &= ~(SND_JACK_BTN_0 >> i); | |
421 | mask |= SND_JACK_BTN_0 >> i; | |
422 | } | |
423 | } | |
424 | } | |
425 | } else { | |
426 | /* Jack removal */ | |
427 | if (events[DA7219_AAD_IRQ_REG_A] & DA7219_E_JACK_REMOVED_MASK) { | |
428 | report = 0; | |
429 | mask |= DA7219_AAD_REPORT_ALL_MASK; | |
430 | da7219_aad->jack_inserted = false; | |
431 | ||
432 | /* Un-drive headphones/lineout */ | |
433 | snd_soc_update_bits(codec, DA7219_HP_R_CTRL, | |
434 | DA7219_HP_R_AMP_OE_MASK, 0); | |
435 | snd_soc_update_bits(codec, DA7219_HP_L_CTRL, | |
436 | DA7219_HP_L_AMP_OE_MASK, 0); | |
437 | ||
438 | /* Ensure button detection disabled */ | |
439 | snd_soc_update_bits(codec, DA7219_ACCDET_CONFIG_1, | |
440 | DA7219_BUTTON_CONFIG_MASK, 0); | |
441 | ||
442 | /* Disable mic bias */ | |
443 | snd_soc_dapm_disable_pin(dapm, "Mic Bias"); | |
444 | snd_soc_dapm_sync(dapm); | |
445 | ||
446 | /* Cancel any pending work */ | |
447 | cancel_work_sync(&da7219_aad->btn_det_work); | |
448 | cancel_work_sync(&da7219_aad->hptest_work); | |
449 | } | |
450 | } | |
451 | ||
452 | snd_soc_jack_report(da7219_aad->jack, report, mask); | |
453 | ||
454 | return IRQ_HANDLED; | |
455 | } | |
456 | ||
457 | /* | |
a01b8933 | 458 | * DT/ACPI to pdata conversion |
6d817c0e AT |
459 | */ |
460 | ||
461 | static enum da7219_aad_micbias_pulse_lvl | |
a01b8933 | 462 | da7219_aad_fw_micbias_pulse_lvl(struct snd_soc_codec *codec, u32 val) |
6d817c0e AT |
463 | { |
464 | switch (val) { | |
465 | case 2800: | |
466 | return DA7219_AAD_MICBIAS_PULSE_LVL_2_8V; | |
467 | case 2900: | |
468 | return DA7219_AAD_MICBIAS_PULSE_LVL_2_9V; | |
469 | default: | |
470 | dev_warn(codec->dev, "Invalid micbias pulse level"); | |
471 | return DA7219_AAD_MICBIAS_PULSE_LVL_OFF; | |
472 | } | |
473 | } | |
474 | ||
475 | static enum da7219_aad_btn_cfg | |
a01b8933 | 476 | da7219_aad_fw_btn_cfg(struct snd_soc_codec *codec, u32 val) |
6d817c0e AT |
477 | { |
478 | switch (val) { | |
479 | case 2: | |
480 | return DA7219_AAD_BTN_CFG_2MS; | |
481 | case 5: | |
482 | return DA7219_AAD_BTN_CFG_5MS; | |
483 | case 10: | |
484 | return DA7219_AAD_BTN_CFG_10MS; | |
485 | case 50: | |
486 | return DA7219_AAD_BTN_CFG_50MS; | |
487 | case 100: | |
488 | return DA7219_AAD_BTN_CFG_100MS; | |
489 | case 200: | |
490 | return DA7219_AAD_BTN_CFG_200MS; | |
491 | case 500: | |
492 | return DA7219_AAD_BTN_CFG_500MS; | |
493 | default: | |
494 | dev_warn(codec->dev, "Invalid button config"); | |
495 | return DA7219_AAD_BTN_CFG_10MS; | |
496 | } | |
497 | } | |
498 | ||
499 | static enum da7219_aad_mic_det_thr | |
a01b8933 | 500 | da7219_aad_fw_mic_det_thr(struct snd_soc_codec *codec, u32 val) |
6d817c0e AT |
501 | { |
502 | switch (val) { | |
503 | case 200: | |
504 | return DA7219_AAD_MIC_DET_THR_200_OHMS; | |
505 | case 500: | |
506 | return DA7219_AAD_MIC_DET_THR_500_OHMS; | |
507 | case 750: | |
508 | return DA7219_AAD_MIC_DET_THR_750_OHMS; | |
509 | case 1000: | |
510 | return DA7219_AAD_MIC_DET_THR_1000_OHMS; | |
511 | default: | |
512 | dev_warn(codec->dev, "Invalid mic detect threshold"); | |
513 | return DA7219_AAD_MIC_DET_THR_500_OHMS; | |
514 | } | |
515 | } | |
516 | ||
517 | static enum da7219_aad_jack_ins_deb | |
a01b8933 | 518 | da7219_aad_fw_jack_ins_deb(struct snd_soc_codec *codec, u32 val) |
6d817c0e AT |
519 | { |
520 | switch (val) { | |
521 | case 5: | |
522 | return DA7219_AAD_JACK_INS_DEB_5MS; | |
523 | case 10: | |
524 | return DA7219_AAD_JACK_INS_DEB_10MS; | |
525 | case 20: | |
526 | return DA7219_AAD_JACK_INS_DEB_20MS; | |
527 | case 50: | |
528 | return DA7219_AAD_JACK_INS_DEB_50MS; | |
529 | case 100: | |
530 | return DA7219_AAD_JACK_INS_DEB_100MS; | |
531 | case 200: | |
532 | return DA7219_AAD_JACK_INS_DEB_200MS; | |
533 | case 500: | |
534 | return DA7219_AAD_JACK_INS_DEB_500MS; | |
535 | case 1000: | |
536 | return DA7219_AAD_JACK_INS_DEB_1S; | |
537 | default: | |
538 | dev_warn(codec->dev, "Invalid jack insert debounce"); | |
539 | return DA7219_AAD_JACK_INS_DEB_20MS; | |
540 | } | |
541 | } | |
542 | ||
543 | static enum da7219_aad_jack_det_rate | |
a01b8933 | 544 | da7219_aad_fw_jack_det_rate(struct snd_soc_codec *codec, const char *str) |
6d817c0e AT |
545 | { |
546 | if (!strcmp(str, "32ms_64ms")) { | |
547 | return DA7219_AAD_JACK_DET_RATE_32_64MS; | |
548 | } else if (!strcmp(str, "64ms_128ms")) { | |
549 | return DA7219_AAD_JACK_DET_RATE_64_128MS; | |
550 | } else if (!strcmp(str, "128ms_256ms")) { | |
551 | return DA7219_AAD_JACK_DET_RATE_128_256MS; | |
552 | } else if (!strcmp(str, "256ms_512ms")) { | |
553 | return DA7219_AAD_JACK_DET_RATE_256_512MS; | |
554 | } else { | |
555 | dev_warn(codec->dev, "Invalid jack detect rate"); | |
556 | return DA7219_AAD_JACK_DET_RATE_256_512MS; | |
557 | } | |
558 | } | |
559 | ||
560 | static enum da7219_aad_jack_rem_deb | |
a01b8933 | 561 | da7219_aad_fw_jack_rem_deb(struct snd_soc_codec *codec, u32 val) |
6d817c0e AT |
562 | { |
563 | switch (val) { | |
564 | case 1: | |
565 | return DA7219_AAD_JACK_REM_DEB_1MS; | |
566 | case 5: | |
567 | return DA7219_AAD_JACK_REM_DEB_5MS; | |
568 | case 10: | |
569 | return DA7219_AAD_JACK_REM_DEB_10MS; | |
570 | case 20: | |
571 | return DA7219_AAD_JACK_REM_DEB_20MS; | |
572 | default: | |
573 | dev_warn(codec->dev, "Invalid jack removal debounce"); | |
574 | return DA7219_AAD_JACK_REM_DEB_1MS; | |
575 | } | |
576 | } | |
577 | ||
578 | static enum da7219_aad_btn_avg | |
a01b8933 | 579 | da7219_aad_fw_btn_avg(struct snd_soc_codec *codec, u32 val) |
6d817c0e AT |
580 | { |
581 | switch (val) { | |
582 | case 1: | |
583 | return DA7219_AAD_BTN_AVG_1; | |
584 | case 2: | |
585 | return DA7219_AAD_BTN_AVG_2; | |
586 | case 4: | |
587 | return DA7219_AAD_BTN_AVG_4; | |
588 | case 8: | |
589 | return DA7219_AAD_BTN_AVG_8; | |
590 | default: | |
591 | dev_warn(codec->dev, "Invalid button average value"); | |
592 | return DA7219_AAD_BTN_AVG_2; | |
593 | } | |
594 | } | |
595 | ||
596 | static enum da7219_aad_adc_1bit_rpt | |
a01b8933 | 597 | da7219_aad_fw_adc_1bit_rpt(struct snd_soc_codec *codec, u32 val) |
6d817c0e AT |
598 | { |
599 | switch (val) { | |
600 | case 1: | |
601 | return DA7219_AAD_ADC_1BIT_RPT_1; | |
602 | case 2: | |
603 | return DA7219_AAD_ADC_1BIT_RPT_2; | |
604 | case 4: | |
605 | return DA7219_AAD_ADC_1BIT_RPT_4; | |
606 | case 8: | |
607 | return DA7219_AAD_ADC_1BIT_RPT_8; | |
608 | default: | |
609 | dev_warn(codec->dev, "Invalid ADC 1-bit repeat value"); | |
610 | return DA7219_AAD_ADC_1BIT_RPT_1; | |
611 | } | |
612 | } | |
613 | ||
a01b8933 | 614 | static struct da7219_aad_pdata *da7219_aad_fw_to_pdata(struct snd_soc_codec *codec) |
6d817c0e | 615 | { |
a01b8933 AT |
616 | struct device *dev = codec->dev; |
617 | struct i2c_client *i2c = to_i2c_client(dev); | |
618 | struct fwnode_handle *aad_np; | |
6d817c0e | 619 | struct da7219_aad_pdata *aad_pdata; |
a01b8933 AT |
620 | const char *fw_str; |
621 | u32 fw_val32; | |
6d817c0e | 622 | |
a01b8933 | 623 | aad_np = device_get_named_child_node(dev, "da7219_aad"); |
6d817c0e AT |
624 | if (!aad_np) |
625 | return NULL; | |
626 | ||
627 | aad_pdata = devm_kzalloc(codec->dev, sizeof(*aad_pdata), GFP_KERNEL); | |
628 | if (!aad_pdata) | |
a01b8933 | 629 | return NULL; |
6d817c0e | 630 | |
a01b8933 | 631 | aad_pdata->irq = i2c->irq; |
6d817c0e | 632 | |
a01b8933 AT |
633 | if (fwnode_property_read_u32(aad_np, "dlg,micbias-pulse-lvl", |
634 | &fw_val32) >= 0) | |
6d817c0e | 635 | aad_pdata->micbias_pulse_lvl = |
a01b8933 | 636 | da7219_aad_fw_micbias_pulse_lvl(codec, fw_val32); |
6d817c0e AT |
637 | else |
638 | aad_pdata->micbias_pulse_lvl = DA7219_AAD_MICBIAS_PULSE_LVL_OFF; | |
639 | ||
a01b8933 AT |
640 | if (fwnode_property_read_u32(aad_np, "dlg,micbias-pulse-time", |
641 | &fw_val32) >= 0) | |
642 | aad_pdata->micbias_pulse_time = fw_val32; | |
6d817c0e | 643 | |
a01b8933 AT |
644 | if (fwnode_property_read_u32(aad_np, "dlg,btn-cfg", &fw_val32) >= 0) |
645 | aad_pdata->btn_cfg = da7219_aad_fw_btn_cfg(codec, fw_val32); | |
6d817c0e AT |
646 | else |
647 | aad_pdata->btn_cfg = DA7219_AAD_BTN_CFG_10MS; | |
648 | ||
a01b8933 | 649 | if (fwnode_property_read_u32(aad_np, "dlg,mic-det-thr", &fw_val32) >= 0) |
6d817c0e | 650 | aad_pdata->mic_det_thr = |
a01b8933 | 651 | da7219_aad_fw_mic_det_thr(codec, fw_val32); |
6d817c0e AT |
652 | else |
653 | aad_pdata->mic_det_thr = DA7219_AAD_MIC_DET_THR_500_OHMS; | |
654 | ||
a01b8933 | 655 | if (fwnode_property_read_u32(aad_np, "dlg,jack-ins-deb", &fw_val32) >= 0) |
6d817c0e | 656 | aad_pdata->jack_ins_deb = |
a01b8933 | 657 | da7219_aad_fw_jack_ins_deb(codec, fw_val32); |
6d817c0e AT |
658 | else |
659 | aad_pdata->jack_ins_deb = DA7219_AAD_JACK_INS_DEB_20MS; | |
660 | ||
a01b8933 | 661 | if (!fwnode_property_read_string(aad_np, "dlg,jack-det-rate", &fw_str)) |
6d817c0e | 662 | aad_pdata->jack_det_rate = |
a01b8933 | 663 | da7219_aad_fw_jack_det_rate(codec, fw_str); |
6d817c0e AT |
664 | else |
665 | aad_pdata->jack_det_rate = DA7219_AAD_JACK_DET_RATE_256_512MS; | |
666 | ||
a01b8933 | 667 | if (fwnode_property_read_u32(aad_np, "dlg,jack-rem-deb", &fw_val32) >= 0) |
6d817c0e | 668 | aad_pdata->jack_rem_deb = |
a01b8933 | 669 | da7219_aad_fw_jack_rem_deb(codec, fw_val32); |
6d817c0e AT |
670 | else |
671 | aad_pdata->jack_rem_deb = DA7219_AAD_JACK_REM_DEB_1MS; | |
672 | ||
a01b8933 AT |
673 | if (fwnode_property_read_u32(aad_np, "dlg,a-d-btn-thr", &fw_val32) >= 0) |
674 | aad_pdata->a_d_btn_thr = (u8) fw_val32; | |
6d817c0e AT |
675 | else |
676 | aad_pdata->a_d_btn_thr = 0xA; | |
677 | ||
a01b8933 AT |
678 | if (fwnode_property_read_u32(aad_np, "dlg,d-b-btn-thr", &fw_val32) >= 0) |
679 | aad_pdata->d_b_btn_thr = (u8) fw_val32; | |
6d817c0e AT |
680 | else |
681 | aad_pdata->d_b_btn_thr = 0x16; | |
682 | ||
a01b8933 AT |
683 | if (fwnode_property_read_u32(aad_np, "dlg,b-c-btn-thr", &fw_val32) >= 0) |
684 | aad_pdata->b_c_btn_thr = (u8) fw_val32; | |
6d817c0e AT |
685 | else |
686 | aad_pdata->b_c_btn_thr = 0x21; | |
687 | ||
a01b8933 AT |
688 | if (fwnode_property_read_u32(aad_np, "dlg,c-mic-btn-thr", &fw_val32) >= 0) |
689 | aad_pdata->c_mic_btn_thr = (u8) fw_val32; | |
6d817c0e AT |
690 | else |
691 | aad_pdata->c_mic_btn_thr = 0x3E; | |
692 | ||
a01b8933 AT |
693 | if (fwnode_property_read_u32(aad_np, "dlg,btn-avg", &fw_val32) >= 0) |
694 | aad_pdata->btn_avg = da7219_aad_fw_btn_avg(codec, fw_val32); | |
6d817c0e AT |
695 | else |
696 | aad_pdata->btn_avg = DA7219_AAD_BTN_AVG_2; | |
697 | ||
a01b8933 | 698 | if (fwnode_property_read_u32(aad_np, "dlg,adc-1bit-rpt", &fw_val32) >= 0) |
6d817c0e | 699 | aad_pdata->adc_1bit_rpt = |
a01b8933 | 700 | da7219_aad_fw_adc_1bit_rpt(codec, fw_val32); |
6d817c0e AT |
701 | else |
702 | aad_pdata->adc_1bit_rpt = DA7219_AAD_ADC_1BIT_RPT_1; | |
703 | ||
6d817c0e AT |
704 | return aad_pdata; |
705 | } | |
706 | ||
707 | static void da7219_aad_handle_pdata(struct snd_soc_codec *codec) | |
708 | { | |
709 | struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); | |
710 | struct da7219_aad_priv *da7219_aad = da7219->aad; | |
711 | struct da7219_pdata *pdata = da7219->pdata; | |
712 | ||
713 | if ((pdata) && (pdata->aad_pdata)) { | |
714 | struct da7219_aad_pdata *aad_pdata = pdata->aad_pdata; | |
715 | u8 cfg, mask; | |
716 | ||
717 | da7219_aad->irq = aad_pdata->irq; | |
718 | ||
719 | switch (aad_pdata->micbias_pulse_lvl) { | |
720 | case DA7219_AAD_MICBIAS_PULSE_LVL_2_8V: | |
721 | case DA7219_AAD_MICBIAS_PULSE_LVL_2_9V: | |
722 | da7219_aad->micbias_pulse_lvl = | |
723 | (aad_pdata->micbias_pulse_lvl << | |
724 | DA7219_MICBIAS1_LEVEL_SHIFT); | |
725 | break; | |
726 | default: | |
727 | break; | |
728 | } | |
729 | ||
730 | da7219_aad->micbias_pulse_time = aad_pdata->micbias_pulse_time; | |
731 | ||
732 | switch (aad_pdata->btn_cfg) { | |
733 | case DA7219_AAD_BTN_CFG_2MS: | |
734 | case DA7219_AAD_BTN_CFG_5MS: | |
735 | case DA7219_AAD_BTN_CFG_10MS: | |
736 | case DA7219_AAD_BTN_CFG_50MS: | |
737 | case DA7219_AAD_BTN_CFG_100MS: | |
738 | case DA7219_AAD_BTN_CFG_200MS: | |
739 | case DA7219_AAD_BTN_CFG_500MS: | |
740 | da7219_aad->btn_cfg = (aad_pdata->btn_cfg << | |
741 | DA7219_BUTTON_CONFIG_SHIFT); | |
742 | } | |
743 | ||
744 | cfg = 0; | |
745 | mask = 0; | |
746 | switch (aad_pdata->mic_det_thr) { | |
747 | case DA7219_AAD_MIC_DET_THR_200_OHMS: | |
748 | case DA7219_AAD_MIC_DET_THR_500_OHMS: | |
749 | case DA7219_AAD_MIC_DET_THR_750_OHMS: | |
750 | case DA7219_AAD_MIC_DET_THR_1000_OHMS: | |
751 | cfg |= (aad_pdata->mic_det_thr << | |
752 | DA7219_MIC_DET_THRESH_SHIFT); | |
753 | mask |= DA7219_MIC_DET_THRESH_MASK; | |
754 | } | |
755 | snd_soc_update_bits(codec, DA7219_ACCDET_CONFIG_1, mask, cfg); | |
756 | ||
757 | cfg = 0; | |
758 | mask = 0; | |
759 | switch (aad_pdata->jack_ins_deb) { | |
760 | case DA7219_AAD_JACK_INS_DEB_5MS: | |
761 | case DA7219_AAD_JACK_INS_DEB_10MS: | |
762 | case DA7219_AAD_JACK_INS_DEB_20MS: | |
763 | case DA7219_AAD_JACK_INS_DEB_50MS: | |
764 | case DA7219_AAD_JACK_INS_DEB_100MS: | |
765 | case DA7219_AAD_JACK_INS_DEB_200MS: | |
766 | case DA7219_AAD_JACK_INS_DEB_500MS: | |
767 | case DA7219_AAD_JACK_INS_DEB_1S: | |
768 | cfg |= (aad_pdata->jack_ins_deb << | |
769 | DA7219_JACKDET_DEBOUNCE_SHIFT); | |
770 | mask |= DA7219_JACKDET_DEBOUNCE_MASK; | |
771 | } | |
772 | switch (aad_pdata->jack_det_rate) { | |
773 | case DA7219_AAD_JACK_DET_RATE_32_64MS: | |
774 | case DA7219_AAD_JACK_DET_RATE_64_128MS: | |
775 | case DA7219_AAD_JACK_DET_RATE_128_256MS: | |
776 | case DA7219_AAD_JACK_DET_RATE_256_512MS: | |
777 | cfg |= (aad_pdata->jack_det_rate << | |
778 | DA7219_JACK_DETECT_RATE_SHIFT); | |
779 | mask |= DA7219_JACK_DETECT_RATE_MASK; | |
780 | } | |
781 | switch (aad_pdata->jack_rem_deb) { | |
782 | case DA7219_AAD_JACK_REM_DEB_1MS: | |
783 | case DA7219_AAD_JACK_REM_DEB_5MS: | |
784 | case DA7219_AAD_JACK_REM_DEB_10MS: | |
785 | case DA7219_AAD_JACK_REM_DEB_20MS: | |
786 | cfg |= (aad_pdata->jack_rem_deb << | |
787 | DA7219_JACKDET_REM_DEB_SHIFT); | |
788 | mask |= DA7219_JACKDET_REM_DEB_MASK; | |
789 | } | |
790 | snd_soc_update_bits(codec, DA7219_ACCDET_CONFIG_2, mask, cfg); | |
791 | ||
792 | snd_soc_write(codec, DA7219_ACCDET_CONFIG_3, | |
793 | aad_pdata->a_d_btn_thr); | |
794 | snd_soc_write(codec, DA7219_ACCDET_CONFIG_4, | |
795 | aad_pdata->d_b_btn_thr); | |
796 | snd_soc_write(codec, DA7219_ACCDET_CONFIG_5, | |
797 | aad_pdata->b_c_btn_thr); | |
798 | snd_soc_write(codec, DA7219_ACCDET_CONFIG_6, | |
799 | aad_pdata->c_mic_btn_thr); | |
800 | ||
801 | cfg = 0; | |
802 | mask = 0; | |
803 | switch (aad_pdata->btn_avg) { | |
804 | case DA7219_AAD_BTN_AVG_1: | |
805 | case DA7219_AAD_BTN_AVG_2: | |
806 | case DA7219_AAD_BTN_AVG_4: | |
807 | case DA7219_AAD_BTN_AVG_8: | |
808 | cfg |= (aad_pdata->btn_avg << | |
809 | DA7219_BUTTON_AVERAGE_SHIFT); | |
810 | mask |= DA7219_BUTTON_AVERAGE_MASK; | |
811 | } | |
812 | switch (aad_pdata->adc_1bit_rpt) { | |
813 | case DA7219_AAD_ADC_1BIT_RPT_1: | |
814 | case DA7219_AAD_ADC_1BIT_RPT_2: | |
815 | case DA7219_AAD_ADC_1BIT_RPT_4: | |
816 | case DA7219_AAD_ADC_1BIT_RPT_8: | |
817 | cfg |= (aad_pdata->adc_1bit_rpt << | |
818 | DA7219_ADC_1_BIT_REPEAT_SHIFT); | |
819 | mask |= DA7219_ADC_1_BIT_REPEAT_MASK; | |
820 | } | |
821 | snd_soc_update_bits(codec, DA7219_ACCDET_CONFIG_7, mask, cfg); | |
822 | } | |
823 | } | |
824 | ||
825 | ||
bb0c35fc AT |
826 | /* |
827 | * Suspend/Resume | |
828 | */ | |
829 | ||
830 | void da7219_aad_suspend(struct snd_soc_codec *codec) | |
831 | { | |
832 | struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); | |
833 | struct da7219_aad_priv *da7219_aad = da7219->aad; | |
834 | struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec); | |
835 | u8 micbias_ctrl; | |
836 | ||
837 | if (da7219_aad->jack) { | |
838 | /* Disable jack detection during suspend */ | |
839 | snd_soc_update_bits(codec, DA7219_ACCDET_CONFIG_1, | |
840 | DA7219_ACCDET_EN_MASK, 0); | |
841 | ||
842 | /* | |
843 | * If we have a 4-pole jack inserted, then micbias will be | |
844 | * enabled. We can disable micbias here, and keep a note to | |
845 | * re-enable it on resume. If jack removal occurred during | |
846 | * suspend then this will be dealt with through the IRQ handler. | |
847 | */ | |
848 | if (da7219_aad->jack_inserted) { | |
849 | micbias_ctrl = snd_soc_read(codec, DA7219_MICBIAS_CTRL); | |
850 | if (micbias_ctrl & DA7219_MICBIAS1_EN_MASK) { | |
851 | snd_soc_dapm_disable_pin(dapm, "Mic Bias"); | |
852 | snd_soc_dapm_sync(dapm); | |
853 | da7219_aad->micbias_resume_enable = true; | |
854 | } | |
855 | } | |
856 | } | |
857 | } | |
858 | ||
859 | void da7219_aad_resume(struct snd_soc_codec *codec) | |
860 | { | |
861 | struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); | |
862 | struct da7219_aad_priv *da7219_aad = da7219->aad; | |
863 | struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec); | |
864 | ||
865 | if (da7219_aad->jack) { | |
866 | /* Re-enable micbias if previously enabled for 4-pole jack */ | |
867 | if (da7219_aad->jack_inserted && | |
868 | da7219_aad->micbias_resume_enable) { | |
869 | snd_soc_dapm_force_enable_pin(dapm, "Mic Bias"); | |
870 | snd_soc_dapm_sync(dapm); | |
871 | da7219_aad->micbias_resume_enable = false; | |
872 | } | |
873 | ||
874 | /* Re-enable jack detection */ | |
875 | snd_soc_update_bits(codec, DA7219_ACCDET_CONFIG_1, | |
876 | DA7219_ACCDET_EN_MASK, | |
877 | DA7219_ACCDET_EN_MASK); | |
878 | } | |
879 | } | |
880 | ||
881 | ||
6d817c0e AT |
882 | /* |
883 | * Init/Exit | |
884 | */ | |
885 | ||
886 | int da7219_aad_init(struct snd_soc_codec *codec) | |
887 | { | |
888 | struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); | |
889 | struct da7219_aad_priv *da7219_aad; | |
890 | u8 mask[DA7219_AAD_IRQ_REG_MAX]; | |
891 | int ret; | |
892 | ||
893 | da7219_aad = devm_kzalloc(codec->dev, sizeof(*da7219_aad), GFP_KERNEL); | |
894 | if (!da7219_aad) | |
895 | return -ENOMEM; | |
896 | ||
897 | da7219->aad = da7219_aad; | |
898 | da7219_aad->codec = codec; | |
899 | ||
a01b8933 AT |
900 | /* Handle any DT/ACPI/platform data */ |
901 | if (da7219->pdata && !da7219->pdata->aad_pdata) | |
902 | da7219->pdata->aad_pdata = da7219_aad_fw_to_pdata(codec); | |
6d817c0e AT |
903 | |
904 | da7219_aad_handle_pdata(codec); | |
905 | ||
906 | /* Disable button detection */ | |
907 | snd_soc_update_bits(codec, DA7219_ACCDET_CONFIG_1, | |
908 | DA7219_BUTTON_CONFIG_MASK, 0); | |
909 | ||
910 | INIT_WORK(&da7219_aad->btn_det_work, da7219_aad_btn_det_work); | |
911 | INIT_WORK(&da7219_aad->hptest_work, da7219_aad_hptest_work); | |
912 | ||
913 | ret = request_threaded_irq(da7219_aad->irq, NULL, | |
914 | da7219_aad_irq_thread, | |
915 | IRQF_TRIGGER_LOW | IRQF_ONESHOT, | |
916 | "da7219-aad", da7219_aad); | |
917 | if (ret) { | |
918 | dev_err(codec->dev, "Failed to request IRQ: %d\n", ret); | |
919 | return ret; | |
920 | } | |
921 | ||
922 | /* Unmask AAD IRQs */ | |
923 | memset(mask, 0, DA7219_AAD_IRQ_REG_MAX); | |
924 | regmap_bulk_write(da7219->regmap, DA7219_ACCDET_IRQ_MASK_A, | |
925 | &mask, DA7219_AAD_IRQ_REG_MAX); | |
926 | ||
927 | return 0; | |
928 | } | |
929 | EXPORT_SYMBOL_GPL(da7219_aad_init); | |
930 | ||
931 | void da7219_aad_exit(struct snd_soc_codec *codec) | |
932 | { | |
933 | struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec); | |
934 | struct da7219_aad_priv *da7219_aad = da7219->aad; | |
935 | u8 mask[DA7219_AAD_IRQ_REG_MAX]; | |
936 | ||
937 | /* Mask off AAD IRQs */ | |
938 | memset(mask, DA7219_BYTE_MASK, DA7219_AAD_IRQ_REG_MAX); | |
939 | regmap_bulk_write(da7219->regmap, DA7219_ACCDET_IRQ_MASK_A, | |
940 | mask, DA7219_AAD_IRQ_REG_MAX); | |
941 | ||
942 | free_irq(da7219_aad->irq, da7219_aad); | |
943 | ||
944 | cancel_work_sync(&da7219_aad->btn_det_work); | |
945 | cancel_work_sync(&da7219_aad->hptest_work); | |
946 | } | |
947 | EXPORT_SYMBOL_GPL(da7219_aad_exit); | |
948 | ||
949 | MODULE_DESCRIPTION("ASoC DA7219 AAD Driver"); | |
950 | MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>"); | |
951 | MODULE_LICENSE("GPL"); |