Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1 | /* Copyright (c) 2015-2017, The Linux Foundation. All rights reserved. |
| 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | */ |
| 12 | #include <linux/module.h> |
| 13 | #include <linux/init.h> |
| 14 | #include <linux/slab.h> |
| 15 | #include <linux/of_gpio.h> |
| 16 | #include <linux/platform_device.h> |
| 17 | #include <linux/device.h> |
| 18 | #include <linux/printk.h> |
| 19 | #include <linux/ratelimit.h> |
| 20 | #include <linux/list.h> |
| 21 | #include <linux/bitops.h> |
| 22 | #include <linux/delay.h> |
| 23 | #include <linux/pm_runtime.h> |
| 24 | #include <linux/kernel.h> |
| 25 | #include <linux/input.h> |
| 26 | #include <linux/firmware.h> |
| 27 | #include <linux/completion.h> |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 28 | #include <sound/soc.h> |
| 29 | #include <sound/jack.h> |
Laxminath Kasam | 605b42f | 2017-08-01 22:02:15 +0530 | [diff] [blame] | 30 | #include "msm-cdc-pinctrl.h" |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 31 | #include "wcdcal-hwdep.h" |
| 32 | #include "wcd-mbhc-legacy.h" |
| 33 | #include "wcd-mbhc-adc.h" |
| 34 | #include "wcd-mbhc-v2-api.h" |
| 35 | |
| 36 | void wcd_mbhc_jack_report(struct wcd_mbhc *mbhc, |
| 37 | struct snd_soc_jack *jack, int status, int mask) |
| 38 | { |
| 39 | snd_soc_jack_report(jack, status, mask); |
| 40 | } |
| 41 | EXPORT_SYMBOL(wcd_mbhc_jack_report); |
| 42 | |
| 43 | static void __hphocp_off_report(struct wcd_mbhc *mbhc, u32 jack_status, |
| 44 | int irq) |
| 45 | { |
| 46 | struct snd_soc_codec *codec = mbhc->codec; |
| 47 | |
| 48 | dev_dbg(codec->dev, "%s: clear ocp status %x\n", |
| 49 | __func__, jack_status); |
| 50 | |
| 51 | if (mbhc->hph_status & jack_status) { |
| 52 | mbhc->hph_status &= ~jack_status; |
| 53 | wcd_mbhc_jack_report(mbhc, &mbhc->headset_jack, |
| 54 | mbhc->hph_status, WCD_MBHC_JACK_MASK); |
| 55 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_OCP_FSM_EN, 0); |
| 56 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_OCP_FSM_EN, 1); |
| 57 | /* |
| 58 | * reset retry counter as PA is turned off signifying |
| 59 | * start of new OCP detection session |
| 60 | */ |
| 61 | if (mbhc->intr_ids->hph_left_ocp) |
| 62 | mbhc->hphlocp_cnt = 0; |
| 63 | else |
| 64 | mbhc->hphrocp_cnt = 0; |
| 65 | mbhc->mbhc_cb->irq_control(codec, irq, true); |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | static void hphrocp_off_report(struct wcd_mbhc *mbhc, u32 jack_status) |
| 70 | { |
| 71 | __hphocp_off_report(mbhc, SND_JACK_OC_HPHR, |
| 72 | mbhc->intr_ids->hph_right_ocp); |
| 73 | } |
| 74 | |
| 75 | static void hphlocp_off_report(struct wcd_mbhc *mbhc, u32 jack_status) |
| 76 | { |
| 77 | __hphocp_off_report(mbhc, SND_JACK_OC_HPHL, |
| 78 | mbhc->intr_ids->hph_left_ocp); |
| 79 | } |
| 80 | |
| 81 | static void wcd_program_hs_vref(struct wcd_mbhc *mbhc) |
| 82 | { |
| 83 | struct wcd_mbhc_plug_type_cfg *plug_type_cfg; |
| 84 | struct snd_soc_codec *codec = mbhc->codec; |
| 85 | u32 reg_val; |
| 86 | |
| 87 | plug_type_cfg = WCD_MBHC_CAL_PLUG_TYPE_PTR(mbhc->mbhc_cfg->calibration); |
| 88 | reg_val = ((plug_type_cfg->v_hs_max - HS_VREF_MIN_VAL) / 100); |
| 89 | |
| 90 | dev_dbg(codec->dev, "%s: reg_val = %x\n", __func__, reg_val); |
| 91 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_HS_VREF, reg_val); |
| 92 | } |
| 93 | |
| 94 | static void wcd_program_btn_threshold(const struct wcd_mbhc *mbhc, bool micbias) |
| 95 | { |
| 96 | struct wcd_mbhc_btn_detect_cfg *btn_det; |
| 97 | struct snd_soc_codec *codec = mbhc->codec; |
| 98 | struct snd_soc_card *card = codec->component.card; |
| 99 | s16 *btn_low, *btn_high; |
| 100 | |
| 101 | if (mbhc->mbhc_cfg->calibration == NULL) { |
| 102 | dev_err(card->dev, "%s: calibration data is NULL\n", __func__); |
| 103 | return; |
| 104 | } |
| 105 | |
| 106 | btn_det = WCD_MBHC_CAL_BTN_DET_PTR(mbhc->mbhc_cfg->calibration); |
| 107 | btn_low = btn_det->_v_btn_low; |
| 108 | btn_high = ((void *)&btn_det->_v_btn_low) + |
| 109 | (sizeof(btn_det->_v_btn_low[0]) * btn_det->num_btn); |
| 110 | |
| 111 | mbhc->mbhc_cb->set_btn_thr(codec, btn_low, btn_high, btn_det->num_btn, |
| 112 | micbias); |
| 113 | } |
| 114 | |
| 115 | void wcd_enable_curr_micbias(const struct wcd_mbhc *mbhc, |
| 116 | const enum wcd_mbhc_cs_mb_en_flag cs_mb_en) |
| 117 | { |
| 118 | |
| 119 | /* |
| 120 | * Some codecs handle micbias/pullup enablement in codec |
| 121 | * drivers itself and micbias is not needed for regular |
| 122 | * plug type detection. So if micbias_control callback function |
| 123 | * is defined, just return. |
| 124 | */ |
| 125 | if (mbhc->mbhc_cb->mbhc_micbias_control) |
| 126 | return; |
| 127 | |
| 128 | pr_debug("%s: enter, cs_mb_en: %d\n", __func__, cs_mb_en); |
| 129 | |
| 130 | switch (cs_mb_en) { |
| 131 | case WCD_MBHC_EN_CS: |
| 132 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_MICB_CTRL, 0); |
| 133 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_BTN_ISRC_CTL, 3); |
| 134 | /* Program Button threshold registers as per CS */ |
| 135 | wcd_program_btn_threshold(mbhc, false); |
| 136 | break; |
| 137 | case WCD_MBHC_EN_MB: |
| 138 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_BTN_ISRC_CTL, 0); |
| 139 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_FSM_EN, 1); |
| 140 | |
| 141 | /* Disable PULL_UP_EN & enable MICBIAS */ |
| 142 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_MICB_CTRL, 2); |
| 143 | /* Program Button threshold registers as per MICBIAS */ |
| 144 | wcd_program_btn_threshold(mbhc, true); |
| 145 | break; |
| 146 | case WCD_MBHC_EN_PULLUP: |
| 147 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_BTN_ISRC_CTL, 3); |
| 148 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_FSM_EN, 1); |
| 149 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_MICB_CTRL, 1); |
| 150 | /* Program Button threshold registers as per MICBIAS */ |
| 151 | wcd_program_btn_threshold(mbhc, true); |
| 152 | break; |
| 153 | case WCD_MBHC_EN_NONE: |
| 154 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_BTN_ISRC_CTL, 0); |
| 155 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_FSM_EN, 1); |
| 156 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_MICB_CTRL, 0); |
| 157 | break; |
| 158 | default: |
| 159 | pr_debug("%s: Invalid parameter", __func__); |
| 160 | break; |
| 161 | } |
| 162 | |
| 163 | pr_debug("%s: exit\n", __func__); |
| 164 | } |
| 165 | EXPORT_SYMBOL(wcd_enable_curr_micbias); |
| 166 | |
| 167 | static const char *wcd_mbhc_get_event_string(int event) |
| 168 | { |
| 169 | switch (event) { |
| 170 | case WCD_EVENT_PRE_MICBIAS_2_OFF: |
| 171 | return WCD_MBHC_STRINGIFY(WCD_EVENT_PRE_MICBIAS_2_OFF); |
| 172 | case WCD_EVENT_POST_MICBIAS_2_OFF: |
| 173 | return WCD_MBHC_STRINGIFY(WCD_EVENT_POST_MICBIAS_2_OFF); |
| 174 | case WCD_EVENT_PRE_MICBIAS_2_ON: |
| 175 | return WCD_MBHC_STRINGIFY(WCD_EVENT_PRE_MICBIAS_2_ON); |
| 176 | case WCD_EVENT_POST_MICBIAS_2_ON: |
| 177 | return WCD_MBHC_STRINGIFY(WCD_EVENT_POST_MICBIAS_2_ON); |
| 178 | case WCD_EVENT_PRE_HPHL_PA_ON: |
| 179 | return WCD_MBHC_STRINGIFY(WCD_EVENT_PRE_HPHL_PA_ON); |
| 180 | case WCD_EVENT_POST_HPHL_PA_OFF: |
| 181 | return WCD_MBHC_STRINGIFY(WCD_EVENT_POST_HPHL_PA_OFF); |
| 182 | case WCD_EVENT_PRE_HPHR_PA_ON: |
| 183 | return WCD_MBHC_STRINGIFY(WCD_EVENT_PRE_HPHR_PA_ON); |
| 184 | case WCD_EVENT_POST_HPHR_PA_OFF: |
| 185 | return WCD_MBHC_STRINGIFY(WCD_EVENT_POST_HPHR_PA_OFF); |
| 186 | case WCD_EVENT_PRE_HPHR_PA_OFF: |
| 187 | return WCD_MBHC_STRINGIFY(WCD_EVENT_PRE_HPHR_PA_OFF); |
| 188 | case WCD_EVENT_PRE_HPHL_PA_OFF: |
| 189 | return WCD_MBHC_STRINGIFY(WCD_EVENT_PRE_HPHL_PA_OFF); |
| 190 | case WCD_EVENT_POST_DAPM_MICBIAS_2_ON: |
| 191 | return WCD_MBHC_STRINGIFY(WCD_EVENT_POST_DAPM_MICBIAS_2_ON); |
| 192 | case WCD_EVENT_PRE_DAPM_MICBIAS_2_ON: |
| 193 | return WCD_MBHC_STRINGIFY(WCD_EVENT_PRE_DAPM_MICBIAS_2_ON); |
| 194 | case WCD_EVENT_POST_DAPM_MICBIAS_2_OFF: |
| 195 | return WCD_MBHC_STRINGIFY(WCD_EVENT_POST_DAPM_MICBIAS_2_OFF); |
| 196 | case WCD_EVENT_PRE_DAPM_MICBIAS_2_OFF: |
| 197 | return WCD_MBHC_STRINGIFY(WCD_EVENT_PRE_DAPM_MICBIAS_2_OFF); |
| 198 | case WCD_EVENT_OCP_OFF: |
| 199 | return WCD_MBHC_STRINGIFY(WCD_EVENT_OCP_OFF); |
| 200 | case WCD_EVENT_OCP_ON: |
| 201 | return WCD_MBHC_STRINGIFY(WCD_EVENT_OCP_ON); |
| 202 | case WCD_EVENT_INVALID: |
| 203 | default: |
| 204 | return WCD_MBHC_STRINGIFY(WCD_EVENT_INVALID); |
| 205 | } |
| 206 | } |
| 207 | |
| 208 | static int wcd_event_notify(struct notifier_block *self, unsigned long val, |
| 209 | void *data) |
| 210 | { |
| 211 | struct wcd_mbhc *mbhc = (struct wcd_mbhc *)data; |
| 212 | enum wcd_notify_event event = (enum wcd_notify_event)val; |
| 213 | struct snd_soc_codec *codec = mbhc->codec; |
| 214 | bool micbias2 = false; |
| 215 | bool micbias1 = false; |
| 216 | u8 fsm_en = 0; |
| 217 | |
| 218 | pr_debug("%s: event %s (%d)\n", __func__, |
| 219 | wcd_mbhc_get_event_string(event), event); |
| 220 | if (mbhc->mbhc_cb->micbias_enable_status) { |
| 221 | micbias2 = mbhc->mbhc_cb->micbias_enable_status(mbhc, |
| 222 | MIC_BIAS_2); |
| 223 | micbias1 = mbhc->mbhc_cb->micbias_enable_status(mbhc, |
| 224 | MIC_BIAS_1); |
| 225 | } |
| 226 | switch (event) { |
| 227 | /* MICBIAS usage change */ |
| 228 | case WCD_EVENT_POST_DAPM_MICBIAS_2_ON: |
| 229 | mbhc->is_hs_recording = true; |
| 230 | pr_debug("%s: is_capture: %d\n", __func__, |
| 231 | mbhc->is_hs_recording); |
| 232 | break; |
| 233 | case WCD_EVENT_POST_MICBIAS_2_ON: |
| 234 | if (!mbhc->micbias_enable) |
| 235 | goto out_micb_en; |
| 236 | if (mbhc->mbhc_cb->mbhc_common_micb_ctrl) { |
| 237 | mbhc->mbhc_cb->mbhc_common_micb_ctrl(codec, |
| 238 | MBHC_COMMON_MICB_PRECHARGE, |
| 239 | true); |
| 240 | mbhc->mbhc_cb->mbhc_common_micb_ctrl(codec, |
| 241 | MBHC_COMMON_MICB_SET_VAL, |
| 242 | true); |
| 243 | /* |
| 244 | * Special headset needs MICBIAS as 2.7V so wait for |
| 245 | * 50 msec for the MICBIAS to reach 2.7 volts. |
| 246 | */ |
| 247 | msleep(50); |
| 248 | } |
| 249 | if (mbhc->mbhc_cb->set_auto_zeroing) |
| 250 | mbhc->mbhc_cb->set_auto_zeroing(codec, true); |
| 251 | if (mbhc->mbhc_cb->mbhc_common_micb_ctrl) |
| 252 | mbhc->mbhc_cb->mbhc_common_micb_ctrl(codec, |
| 253 | MBHC_COMMON_MICB_PRECHARGE, |
| 254 | false); |
| 255 | out_micb_en: |
| 256 | /* Disable current source if micbias enabled */ |
| 257 | if (mbhc->mbhc_cb->mbhc_micbias_control) { |
| 258 | WCD_MBHC_REG_READ(WCD_MBHC_FSM_EN, fsm_en); |
| 259 | if (fsm_en) |
| 260 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_BTN_ISRC_CTL, |
| 261 | 0); |
| 262 | } else { |
| 263 | mbhc->is_hs_recording = true; |
| 264 | wcd_enable_curr_micbias(mbhc, WCD_MBHC_EN_MB); |
| 265 | } |
| 266 | /* configure cap settings properly when micbias is enabled */ |
| 267 | if (mbhc->mbhc_cb->set_cap_mode) |
| 268 | mbhc->mbhc_cb->set_cap_mode(codec, micbias1, true); |
| 269 | break; |
| 270 | case WCD_EVENT_PRE_MICBIAS_2_OFF: |
| 271 | /* |
| 272 | * Before MICBIAS_2 is turned off, if FSM is enabled, |
| 273 | * make sure current source is enabled so as to detect |
| 274 | * button press/release events |
| 275 | */ |
| 276 | if (mbhc->mbhc_cb->mbhc_micbias_control && |
| 277 | !mbhc->micbias_enable) { |
| 278 | WCD_MBHC_REG_READ(WCD_MBHC_FSM_EN, fsm_en); |
| 279 | if (fsm_en) |
| 280 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_BTN_ISRC_CTL, |
| 281 | 3); |
| 282 | } |
| 283 | break; |
| 284 | /* MICBIAS usage change */ |
| 285 | case WCD_EVENT_POST_DAPM_MICBIAS_2_OFF: |
| 286 | mbhc->is_hs_recording = false; |
| 287 | pr_debug("%s: is_capture: %d\n", __func__, |
| 288 | mbhc->is_hs_recording); |
| 289 | break; |
| 290 | case WCD_EVENT_POST_MICBIAS_2_OFF: |
| 291 | if (!mbhc->mbhc_cb->mbhc_micbias_control) |
| 292 | mbhc->is_hs_recording = false; |
| 293 | if (mbhc->micbias_enable) { |
| 294 | wcd_enable_curr_micbias(mbhc, WCD_MBHC_EN_MB); |
| 295 | break; |
| 296 | } |
| 297 | |
| 298 | if (mbhc->mbhc_cb->set_auto_zeroing) |
| 299 | mbhc->mbhc_cb->set_auto_zeroing(codec, false); |
| 300 | if (mbhc->mbhc_cb->set_micbias_value && !mbhc->micbias_enable) |
| 301 | mbhc->mbhc_cb->set_micbias_value(codec); |
| 302 | /* Enable PULL UP if PA's are enabled */ |
| 303 | if ((test_bit(WCD_MBHC_EVENT_PA_HPHL, &mbhc->event_state)) || |
| 304 | (test_bit(WCD_MBHC_EVENT_PA_HPHR, |
| 305 | &mbhc->event_state))) |
| 306 | /* enable pullup and cs, disable mb */ |
| 307 | wcd_enable_curr_micbias(mbhc, WCD_MBHC_EN_PULLUP); |
| 308 | else |
| 309 | /* enable current source and disable mb, pullup*/ |
| 310 | wcd_enable_curr_micbias(mbhc, WCD_MBHC_EN_CS); |
| 311 | |
| 312 | /* configure cap settings properly when micbias is disabled */ |
| 313 | if (mbhc->mbhc_cb->set_cap_mode) |
| 314 | mbhc->mbhc_cb->set_cap_mode(codec, micbias1, false); |
| 315 | break; |
| 316 | case WCD_EVENT_PRE_HPHL_PA_OFF: |
| 317 | mutex_lock(&mbhc->hphl_pa_lock); |
| 318 | break; |
| 319 | case WCD_EVENT_POST_HPHL_PA_OFF: |
| 320 | clear_bit(WCD_MBHC_HPHL_PA_OFF_ACK, &mbhc->hph_pa_dac_state); |
| 321 | if (mbhc->hph_status & SND_JACK_OC_HPHL) |
| 322 | hphlocp_off_report(mbhc, SND_JACK_OC_HPHL); |
| 323 | clear_bit(WCD_MBHC_EVENT_PA_HPHL, &mbhc->event_state); |
| 324 | /* check if micbias is enabled */ |
| 325 | if (micbias2) |
| 326 | /* Disable cs, pullup & enable micbias */ |
| 327 | wcd_enable_curr_micbias(mbhc, WCD_MBHC_EN_MB); |
| 328 | else |
| 329 | /* Disable micbias, pullup & enable cs */ |
| 330 | wcd_enable_curr_micbias(mbhc, WCD_MBHC_EN_CS); |
| 331 | mutex_unlock(&mbhc->hphl_pa_lock); |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 332 | clear_bit(WCD_MBHC_ANC0_OFF_ACK, &mbhc->hph_anc_state); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 333 | break; |
| 334 | case WCD_EVENT_PRE_HPHR_PA_OFF: |
| 335 | mutex_lock(&mbhc->hphr_pa_lock); |
| 336 | break; |
| 337 | case WCD_EVENT_POST_HPHR_PA_OFF: |
| 338 | clear_bit(WCD_MBHC_HPHR_PA_OFF_ACK, &mbhc->hph_pa_dac_state); |
| 339 | if (mbhc->hph_status & SND_JACK_OC_HPHR) |
| 340 | hphrocp_off_report(mbhc, SND_JACK_OC_HPHR); |
| 341 | clear_bit(WCD_MBHC_EVENT_PA_HPHR, &mbhc->event_state); |
| 342 | /* check if micbias is enabled */ |
| 343 | if (micbias2) |
| 344 | /* Disable cs, pullup & enable micbias */ |
| 345 | wcd_enable_curr_micbias(mbhc, WCD_MBHC_EN_MB); |
| 346 | else |
| 347 | /* Disable micbias, pullup & enable cs */ |
| 348 | wcd_enable_curr_micbias(mbhc, WCD_MBHC_EN_CS); |
| 349 | mutex_unlock(&mbhc->hphr_pa_lock); |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 350 | clear_bit(WCD_MBHC_ANC1_OFF_ACK, &mbhc->hph_anc_state); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 351 | break; |
| 352 | case WCD_EVENT_PRE_HPHL_PA_ON: |
| 353 | set_bit(WCD_MBHC_EVENT_PA_HPHL, &mbhc->event_state); |
| 354 | /* check if micbias is enabled */ |
| 355 | if (micbias2) |
| 356 | /* Disable cs, pullup & enable micbias */ |
| 357 | wcd_enable_curr_micbias(mbhc, WCD_MBHC_EN_MB); |
| 358 | else |
| 359 | /* Disable micbias, enable pullup & cs */ |
| 360 | wcd_enable_curr_micbias(mbhc, WCD_MBHC_EN_PULLUP); |
| 361 | break; |
| 362 | case WCD_EVENT_PRE_HPHR_PA_ON: |
| 363 | set_bit(WCD_MBHC_EVENT_PA_HPHR, &mbhc->event_state); |
| 364 | /* check if micbias is enabled */ |
| 365 | if (micbias2) |
| 366 | /* Disable cs, pullup & enable micbias */ |
| 367 | wcd_enable_curr_micbias(mbhc, WCD_MBHC_EN_MB); |
| 368 | else |
| 369 | /* Disable micbias, enable pullup & cs */ |
| 370 | wcd_enable_curr_micbias(mbhc, WCD_MBHC_EN_PULLUP); |
| 371 | break; |
| 372 | case WCD_EVENT_OCP_OFF: |
| 373 | mbhc->mbhc_cb->irq_control(mbhc->codec, |
| 374 | mbhc->intr_ids->hph_left_ocp, |
| 375 | false); |
| 376 | break; |
| 377 | case WCD_EVENT_OCP_ON: |
| 378 | mbhc->mbhc_cb->irq_control(mbhc->codec, |
| 379 | mbhc->intr_ids->hph_left_ocp, |
| 380 | true); |
| 381 | break; |
| 382 | default: |
| 383 | break; |
| 384 | } |
| 385 | return 0; |
| 386 | } |
| 387 | |
| 388 | int wcd_cancel_btn_work(struct wcd_mbhc *mbhc) |
| 389 | { |
| 390 | int r; |
| 391 | |
| 392 | r = cancel_delayed_work_sync(&mbhc->mbhc_btn_dwork); |
| 393 | /* |
| 394 | * if scheduled mbhc.mbhc_btn_dwork is canceled from here, |
| 395 | * we have to unlock from here instead btn_work |
| 396 | */ |
| 397 | if (r) |
| 398 | mbhc->mbhc_cb->lock_sleep(mbhc, false); |
| 399 | return r; |
| 400 | } |
| 401 | EXPORT_SYMBOL(wcd_cancel_btn_work); |
| 402 | |
| 403 | bool wcd_swch_level_remove(struct wcd_mbhc *mbhc) |
| 404 | { |
| 405 | u16 result2 = 0; |
| 406 | |
| 407 | WCD_MBHC_REG_READ(WCD_MBHC_SWCH_LEVEL_REMOVE, result2); |
| 408 | return (result2) ? true : false; |
| 409 | } |
| 410 | EXPORT_SYMBOL(wcd_swch_level_remove); |
| 411 | |
| 412 | static void wcd_mbhc_clr_and_turnon_hph_padac(struct wcd_mbhc *mbhc) |
| 413 | { |
| 414 | bool pa_turned_on = false; |
| 415 | u8 wg_time = 0; |
| 416 | |
| 417 | WCD_MBHC_REG_READ(WCD_MBHC_HPH_CNP_WG_TIME, wg_time); |
| 418 | wg_time += 1; |
| 419 | |
| 420 | mutex_lock(&mbhc->hphr_pa_lock); |
| 421 | if (test_and_clear_bit(WCD_MBHC_HPHR_PA_OFF_ACK, |
| 422 | &mbhc->hph_pa_dac_state)) { |
| 423 | pr_debug("%s: HPHR clear flag and enable PA\n", __func__); |
| 424 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_HPHR_PA_EN, 1); |
| 425 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_HPHR_OCP_DET_EN, 1); |
| 426 | pa_turned_on = true; |
| 427 | } |
| 428 | mutex_unlock(&mbhc->hphr_pa_lock); |
| 429 | mutex_lock(&mbhc->hphl_pa_lock); |
| 430 | if (test_and_clear_bit(WCD_MBHC_HPHL_PA_OFF_ACK, |
| 431 | &mbhc->hph_pa_dac_state)) { |
| 432 | pr_debug("%s: HPHL clear flag and enable PA\n", __func__); |
| 433 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_HPHL_PA_EN, 1); |
| 434 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_HPHL_OCP_DET_EN, 1); |
| 435 | pa_turned_on = true; |
| 436 | } |
| 437 | mutex_unlock(&mbhc->hphl_pa_lock); |
| 438 | |
| 439 | if (pa_turned_on) { |
| 440 | pr_debug("%s: PA was turned on by MBHC and not by DAPM\n", |
| 441 | __func__); |
| 442 | usleep_range(wg_time * 1000, wg_time * 1000 + 50); |
| 443 | } |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 444 | |
| 445 | if (test_and_clear_bit(WCD_MBHC_ANC0_OFF_ACK, |
| 446 | &mbhc->hph_anc_state)) { |
| 447 | usleep_range(20000, 20100); |
| 448 | pr_debug("%s: HPHL ANC clear flag and enable ANC_EN\n", |
| 449 | __func__); |
| 450 | if (mbhc->mbhc_cb->update_anc_state) |
| 451 | mbhc->mbhc_cb->update_anc_state(mbhc->codec, true, 0); |
| 452 | } |
| 453 | |
| 454 | if (test_and_clear_bit(WCD_MBHC_ANC1_OFF_ACK, |
| 455 | &mbhc->hph_anc_state)) { |
| 456 | usleep_range(20000, 20100); |
| 457 | pr_debug("%s: HPHR ANC clear flag and enable ANC_EN\n", |
| 458 | __func__); |
| 459 | if (mbhc->mbhc_cb->update_anc_state) |
| 460 | mbhc->mbhc_cb->update_anc_state(mbhc->codec, true, 1); |
| 461 | } |
| 462 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 463 | } |
| 464 | |
| 465 | static bool wcd_mbhc_is_hph_pa_on(struct wcd_mbhc *mbhc) |
| 466 | { |
| 467 | bool hph_pa_on = false; |
| 468 | |
| 469 | WCD_MBHC_REG_READ(WCD_MBHC_HPH_PA_EN, hph_pa_on); |
| 470 | |
| 471 | return (hph_pa_on) ? true : false; |
| 472 | } |
| 473 | |
| 474 | static void wcd_mbhc_set_and_turnoff_hph_padac(struct wcd_mbhc *mbhc) |
| 475 | { |
| 476 | u8 wg_time = 0; |
| 477 | |
| 478 | WCD_MBHC_REG_READ(WCD_MBHC_HPH_CNP_WG_TIME, wg_time); |
| 479 | wg_time += 1; |
| 480 | |
| 481 | /* If headphone PA is on, check if userspace receives |
| 482 | * removal event to sync-up PA's state |
| 483 | */ |
| 484 | if (wcd_mbhc_is_hph_pa_on(mbhc)) { |
| 485 | pr_debug("%s PA is on, setting PA_OFF_ACK\n", __func__); |
| 486 | set_bit(WCD_MBHC_HPHL_PA_OFF_ACK, &mbhc->hph_pa_dac_state); |
| 487 | set_bit(WCD_MBHC_HPHR_PA_OFF_ACK, &mbhc->hph_pa_dac_state); |
| 488 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_HPHL_OCP_DET_EN, 0); |
| 489 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_HPHR_OCP_DET_EN, 0); |
| 490 | } else { |
| 491 | pr_debug("%s PA is off\n", __func__); |
| 492 | } |
| 493 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_HPH_PA_EN, 0); |
| 494 | usleep_range(wg_time * 1000, wg_time * 1000 + 50); |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 495 | |
| 496 | |
| 497 | if (mbhc->mbhc_cb->is_anc_on && mbhc->mbhc_cb->is_anc_on(mbhc)) { |
| 498 | usleep_range(20000, 20100); |
| 499 | pr_debug("%s ANC is on, setting ANC_OFF_ACK\n", __func__); |
| 500 | set_bit(WCD_MBHC_ANC0_OFF_ACK, &mbhc->hph_anc_state); |
| 501 | set_bit(WCD_MBHC_ANC1_OFF_ACK, &mbhc->hph_anc_state); |
| 502 | if (mbhc->mbhc_cb->update_anc_state) { |
| 503 | mbhc->mbhc_cb->update_anc_state(mbhc->codec, false, 0); |
| 504 | mbhc->mbhc_cb->update_anc_state(mbhc->codec, false, 1); |
| 505 | } else { |
| 506 | pr_debug("%s ANC is off\n", __func__); |
| 507 | } |
| 508 | } |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 509 | } |
| 510 | |
| 511 | int wcd_mbhc_get_impedance(struct wcd_mbhc *mbhc, uint32_t *zl, |
| 512 | uint32_t *zr) |
| 513 | { |
| 514 | *zl = mbhc->zl; |
| 515 | *zr = mbhc->zr; |
| 516 | |
| 517 | if (*zl && *zr) |
| 518 | return 0; |
| 519 | else |
| 520 | return -EINVAL; |
| 521 | } |
| 522 | EXPORT_SYMBOL(wcd_mbhc_get_impedance); |
| 523 | |
| 524 | void wcd_mbhc_hs_elec_irq(struct wcd_mbhc *mbhc, int irq_type, |
| 525 | bool enable) |
| 526 | { |
| 527 | int irq; |
| 528 | |
| 529 | WCD_MBHC_RSC_ASSERT_LOCKED(mbhc); |
| 530 | |
| 531 | if (irq_type == WCD_MBHC_ELEC_HS_INS) |
| 532 | irq = mbhc->intr_ids->mbhc_hs_ins_intr; |
| 533 | else if (irq_type == WCD_MBHC_ELEC_HS_REM) |
| 534 | irq = mbhc->intr_ids->mbhc_hs_rem_intr; |
| 535 | else { |
| 536 | pr_debug("%s: irq_type: %d, enable: %d\n", |
| 537 | __func__, irq_type, enable); |
| 538 | return; |
| 539 | } |
| 540 | |
| 541 | pr_debug("%s: irq: %d, enable: %d, intr_status:%lu\n", |
| 542 | __func__, irq, enable, mbhc->intr_status); |
| 543 | if ((test_bit(irq_type, &mbhc->intr_status)) != enable) { |
| 544 | mbhc->mbhc_cb->irq_control(mbhc->codec, irq, enable); |
| 545 | if (enable) |
| 546 | set_bit(irq_type, &mbhc->intr_status); |
| 547 | else |
| 548 | clear_bit(irq_type, &mbhc->intr_status); |
| 549 | } |
| 550 | } |
| 551 | EXPORT_SYMBOL(wcd_mbhc_hs_elec_irq); |
| 552 | |
Meng Wang | 6f90162 | 2017-09-19 10:21:57 +0800 | [diff] [blame] | 553 | void wcd_mbhc_report_plug(struct wcd_mbhc *mbhc, int insertion, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 554 | enum snd_jack_types jack_type) |
| 555 | { |
| 556 | struct snd_soc_codec *codec = mbhc->codec; |
| 557 | bool is_pa_on = false; |
| 558 | u8 fsm_en = 0; |
| 559 | |
| 560 | WCD_MBHC_RSC_ASSERT_LOCKED(mbhc); |
| 561 | |
| 562 | pr_debug("%s: enter insertion %d hph_status %x\n", |
| 563 | __func__, insertion, mbhc->hph_status); |
| 564 | if (!insertion) { |
| 565 | /* Report removal */ |
| 566 | mbhc->hph_status &= ~jack_type; |
| 567 | /* |
| 568 | * cancel possibly scheduled btn work and |
| 569 | * report release if we reported button press |
| 570 | */ |
| 571 | if (wcd_cancel_btn_work(mbhc)) { |
| 572 | pr_debug("%s: button press is canceled\n", __func__); |
| 573 | } else if (mbhc->buttons_pressed) { |
| 574 | pr_debug("%s: release of button press%d\n", |
| 575 | __func__, jack_type); |
| 576 | wcd_mbhc_jack_report(mbhc, &mbhc->button_jack, 0, |
| 577 | mbhc->buttons_pressed); |
| 578 | mbhc->buttons_pressed &= |
| 579 | ~WCD_MBHC_JACK_BUTTON_MASK; |
| 580 | } |
| 581 | |
| 582 | if (mbhc->micbias_enable) { |
| 583 | if (mbhc->mbhc_cb->mbhc_micbias_control) |
| 584 | mbhc->mbhc_cb->mbhc_micbias_control( |
| 585 | codec, MIC_BIAS_2, |
| 586 | MICB_DISABLE); |
| 587 | if (mbhc->mbhc_cb->mbhc_micb_ctrl_thr_mic) |
| 588 | mbhc->mbhc_cb->mbhc_micb_ctrl_thr_mic( |
| 589 | codec, |
| 590 | MIC_BIAS_2, false); |
| 591 | if (mbhc->mbhc_cb->set_micbias_value) { |
| 592 | mbhc->mbhc_cb->set_micbias_value(codec); |
| 593 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_MICB_CTRL, 0); |
| 594 | } |
| 595 | mbhc->micbias_enable = false; |
| 596 | } |
| 597 | |
| 598 | mbhc->hph_type = WCD_MBHC_HPH_NONE; |
| 599 | mbhc->zl = mbhc->zr = 0; |
| 600 | pr_debug("%s: Reporting removal %d(%x)\n", __func__, |
| 601 | jack_type, mbhc->hph_status); |
| 602 | wcd_mbhc_jack_report(mbhc, &mbhc->headset_jack, |
| 603 | mbhc->hph_status, WCD_MBHC_JACK_MASK); |
| 604 | wcd_mbhc_set_and_turnoff_hph_padac(mbhc); |
| 605 | hphrocp_off_report(mbhc, SND_JACK_OC_HPHR); |
| 606 | hphlocp_off_report(mbhc, SND_JACK_OC_HPHL); |
| 607 | mbhc->current_plug = MBHC_PLUG_TYPE_NONE; |
| 608 | } else { |
| 609 | /* |
| 610 | * Report removal of current jack type. |
| 611 | * Headphone to headset shouldn't report headphone |
| 612 | * removal. |
| 613 | */ |
| 614 | if (mbhc->mbhc_cfg->detect_extn_cable && |
| 615 | (mbhc->current_plug == MBHC_PLUG_TYPE_HIGH_HPH || |
| 616 | jack_type == SND_JACK_LINEOUT) && |
| 617 | (mbhc->hph_status && mbhc->hph_status != jack_type)) { |
| 618 | |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 619 | if (mbhc->micbias_enable && |
| 620 | mbhc->hph_status == SND_JACK_HEADSET) { |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 621 | if (mbhc->mbhc_cb->mbhc_micbias_control) |
| 622 | mbhc->mbhc_cb->mbhc_micbias_control( |
| 623 | codec, MIC_BIAS_2, |
| 624 | MICB_DISABLE); |
| 625 | if (mbhc->mbhc_cb->mbhc_micb_ctrl_thr_mic) |
| 626 | mbhc->mbhc_cb->mbhc_micb_ctrl_thr_mic( |
| 627 | codec, |
| 628 | MIC_BIAS_2, false); |
| 629 | if (mbhc->mbhc_cb->set_micbias_value) { |
| 630 | mbhc->mbhc_cb->set_micbias_value( |
| 631 | codec); |
| 632 | WCD_MBHC_REG_UPDATE_BITS( |
| 633 | WCD_MBHC_MICB_CTRL, 0); |
| 634 | } |
| 635 | mbhc->micbias_enable = false; |
| 636 | } |
| 637 | mbhc->hph_type = WCD_MBHC_HPH_NONE; |
| 638 | mbhc->zl = mbhc->zr = 0; |
| 639 | pr_debug("%s: Reporting removal (%x)\n", |
| 640 | __func__, mbhc->hph_status); |
| 641 | wcd_mbhc_jack_report(mbhc, &mbhc->headset_jack, |
| 642 | 0, WCD_MBHC_JACK_MASK); |
| 643 | |
| 644 | if (mbhc->hph_status == SND_JACK_LINEOUT) { |
| 645 | |
| 646 | pr_debug("%s: Enable micbias\n", __func__); |
| 647 | /* Disable current source and enable micbias */ |
| 648 | wcd_enable_curr_micbias(mbhc, WCD_MBHC_EN_MB); |
| 649 | pr_debug("%s: set up elec removal detection\n", |
| 650 | __func__); |
| 651 | usleep_range(200, 210); |
| 652 | wcd_mbhc_hs_elec_irq(mbhc, |
| 653 | WCD_MBHC_ELEC_HS_REM, |
| 654 | true); |
| 655 | } |
| 656 | mbhc->hph_status &= ~(SND_JACK_HEADSET | |
| 657 | SND_JACK_LINEOUT | |
| 658 | SND_JACK_ANC_HEADPHONE | |
| 659 | SND_JACK_UNSUPPORTED); |
| 660 | } |
| 661 | |
| 662 | if (mbhc->current_plug == MBHC_PLUG_TYPE_HEADSET && |
| 663 | jack_type == SND_JACK_HEADPHONE) |
| 664 | mbhc->hph_status &= ~SND_JACK_HEADSET; |
| 665 | |
| 666 | /* Report insertion */ |
| 667 | if (jack_type == SND_JACK_HEADPHONE) |
| 668 | mbhc->current_plug = MBHC_PLUG_TYPE_HEADPHONE; |
| 669 | else if (jack_type == SND_JACK_UNSUPPORTED) |
| 670 | mbhc->current_plug = MBHC_PLUG_TYPE_GND_MIC_SWAP; |
| 671 | else if (jack_type == SND_JACK_HEADSET) { |
| 672 | mbhc->current_plug = MBHC_PLUG_TYPE_HEADSET; |
| 673 | mbhc->jiffies_atreport = jiffies; |
| 674 | } else if (jack_type == SND_JACK_LINEOUT) { |
| 675 | mbhc->current_plug = MBHC_PLUG_TYPE_HIGH_HPH; |
| 676 | } else if (jack_type == SND_JACK_ANC_HEADPHONE) |
| 677 | mbhc->current_plug = MBHC_PLUG_TYPE_ANC_HEADPHONE; |
| 678 | |
| 679 | if (mbhc->mbhc_cb->hph_pa_on_status) |
| 680 | is_pa_on = mbhc->mbhc_cb->hph_pa_on_status(codec); |
| 681 | |
| 682 | if (mbhc->impedance_detect && |
| 683 | mbhc->mbhc_cb->compute_impedance && |
| 684 | (mbhc->mbhc_cfg->linein_th != 0) && |
| 685 | (!is_pa_on)) { |
| 686 | /* Set MUX_CTL to AUTO for Z-det */ |
| 687 | WCD_MBHC_REG_READ(WCD_MBHC_FSM_EN, fsm_en); |
| 688 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_FSM_EN, 0); |
| 689 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_MUX_CTL, |
| 690 | MUX_CTL_AUTO); |
| 691 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_FSM_EN, 1); |
| 692 | mbhc->mbhc_cb->compute_impedance(mbhc, |
| 693 | &mbhc->zl, &mbhc->zr); |
| 694 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_FSM_EN, |
| 695 | fsm_en); |
| 696 | if ((mbhc->zl > mbhc->mbhc_cfg->linein_th && |
| 697 | mbhc->zl < MAX_IMPED) && |
| 698 | (mbhc->zr > mbhc->mbhc_cfg->linein_th && |
| 699 | mbhc->zr < MAX_IMPED) && |
| 700 | (jack_type == SND_JACK_HEADPHONE)) { |
| 701 | jack_type = SND_JACK_LINEOUT; |
| 702 | mbhc->current_plug = MBHC_PLUG_TYPE_HIGH_HPH; |
| 703 | if (mbhc->hph_status) { |
| 704 | mbhc->hph_status &= ~(SND_JACK_HEADSET | |
| 705 | SND_JACK_LINEOUT | |
| 706 | SND_JACK_UNSUPPORTED); |
| 707 | wcd_mbhc_jack_report(mbhc, |
| 708 | &mbhc->headset_jack, |
| 709 | mbhc->hph_status, |
| 710 | WCD_MBHC_JACK_MASK); |
| 711 | } |
| 712 | pr_debug("%s: Marking jack type as SND_JACK_LINEOUT\n", |
| 713 | __func__); |
| 714 | } |
| 715 | } |
| 716 | |
| 717 | mbhc->hph_status |= jack_type; |
| 718 | |
| 719 | pr_debug("%s: Reporting insertion %d(%x)\n", __func__, |
| 720 | jack_type, mbhc->hph_status); |
| 721 | wcd_mbhc_jack_report(mbhc, &mbhc->headset_jack, |
| 722 | (mbhc->hph_status | SND_JACK_MECHANICAL), |
| 723 | WCD_MBHC_JACK_MASK); |
| 724 | wcd_mbhc_clr_and_turnon_hph_padac(mbhc); |
| 725 | } |
| 726 | pr_debug("%s: leave hph_status %x\n", __func__, mbhc->hph_status); |
| 727 | } |
Meng Wang | 6f90162 | 2017-09-19 10:21:57 +0800 | [diff] [blame] | 728 | EXPORT_SYMBOL(wcd_mbhc_report_plug); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 729 | |
| 730 | void wcd_mbhc_elec_hs_report_unplug(struct wcd_mbhc *mbhc) |
| 731 | { |
| 732 | /* cancel pending button press */ |
| 733 | if (wcd_cancel_btn_work(mbhc)) |
| 734 | pr_debug("%s: button press is canceled\n", __func__); |
| 735 | /* cancel correct work function */ |
| 736 | if (mbhc->mbhc_fn->wcd_cancel_hs_detect_plug) |
| 737 | mbhc->mbhc_fn->wcd_cancel_hs_detect_plug(mbhc, |
| 738 | &mbhc->correct_plug_swch); |
| 739 | else |
| 740 | pr_info("%s: hs_detect_plug work not cancelled\n", __func__); |
| 741 | |
| 742 | pr_debug("%s: Report extension cable\n", __func__); |
| 743 | wcd_mbhc_report_plug(mbhc, 1, SND_JACK_LINEOUT); |
| 744 | /* |
| 745 | * If PA is enabled HPHL schmitt trigger can |
| 746 | * be unreliable, make sure to disable it |
| 747 | */ |
| 748 | if (test_bit(WCD_MBHC_EVENT_PA_HPHL, |
| 749 | &mbhc->event_state)) |
| 750 | wcd_mbhc_set_and_turnoff_hph_padac(mbhc); |
| 751 | /* |
| 752 | * Disable HPHL trigger and MIC Schmitt triggers. |
| 753 | * Setup for insertion detection. |
| 754 | */ |
| 755 | wcd_mbhc_hs_elec_irq(mbhc, WCD_MBHC_ELEC_HS_REM, |
| 756 | false); |
| 757 | wcd_enable_curr_micbias(mbhc, WCD_MBHC_EN_NONE); |
| 758 | /* Disable HW FSM */ |
| 759 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_FSM_EN, 0); |
| 760 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_ELECT_SCHMT_ISRC, 3); |
| 761 | |
| 762 | /* Set the detection type appropriately */ |
| 763 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_ELECT_DETECTION_TYPE, 1); |
| 764 | wcd_mbhc_hs_elec_irq(mbhc, WCD_MBHC_ELEC_HS_INS, |
| 765 | true); |
| 766 | } |
| 767 | EXPORT_SYMBOL(wcd_mbhc_elec_hs_report_unplug); |
| 768 | |
| 769 | void wcd_mbhc_find_plug_and_report(struct wcd_mbhc *mbhc, |
| 770 | enum wcd_mbhc_plug_type plug_type) |
| 771 | { |
| 772 | bool anc_mic_found = false; |
| 773 | enum snd_jack_types jack_type; |
| 774 | |
| 775 | pr_debug("%s: enter current_plug(%d) new_plug(%d)\n", |
| 776 | __func__, mbhc->current_plug, plug_type); |
| 777 | |
| 778 | WCD_MBHC_RSC_ASSERT_LOCKED(mbhc); |
| 779 | |
| 780 | if (mbhc->current_plug == plug_type) { |
| 781 | pr_debug("%s: cable already reported, exit\n", __func__); |
| 782 | goto exit; |
| 783 | } |
| 784 | |
| 785 | if (plug_type == MBHC_PLUG_TYPE_HEADPHONE) { |
| 786 | /* |
| 787 | * Nothing was reported previously |
| 788 | * report a headphone or unsupported |
| 789 | */ |
| 790 | wcd_mbhc_report_plug(mbhc, 1, SND_JACK_HEADPHONE); |
| 791 | } else if (plug_type == MBHC_PLUG_TYPE_GND_MIC_SWAP) { |
| 792 | if (mbhc->current_plug == MBHC_PLUG_TYPE_HEADPHONE) |
| 793 | wcd_mbhc_report_plug(mbhc, 0, SND_JACK_HEADPHONE); |
| 794 | if (mbhc->current_plug == MBHC_PLUG_TYPE_HEADSET) |
| 795 | wcd_mbhc_report_plug(mbhc, 0, SND_JACK_HEADSET); |
| 796 | wcd_mbhc_report_plug(mbhc, 1, SND_JACK_UNSUPPORTED); |
| 797 | } else if (plug_type == MBHC_PLUG_TYPE_HEADSET) { |
| 798 | if (mbhc->mbhc_cfg->enable_anc_mic_detect && |
| 799 | mbhc->mbhc_fn->wcd_mbhc_detect_anc_plug_type) |
| 800 | anc_mic_found = |
| 801 | mbhc->mbhc_fn->wcd_mbhc_detect_anc_plug_type(mbhc); |
| 802 | jack_type = SND_JACK_HEADSET; |
| 803 | if (anc_mic_found) |
| 804 | jack_type = SND_JACK_ANC_HEADPHONE; |
| 805 | |
| 806 | /* |
| 807 | * If Headphone was reported previously, this will |
| 808 | * only report the mic line |
| 809 | */ |
| 810 | wcd_mbhc_report_plug(mbhc, 1, jack_type); |
| 811 | } else if (plug_type == MBHC_PLUG_TYPE_HIGH_HPH) { |
| 812 | if (mbhc->mbhc_cfg->detect_extn_cable) { |
| 813 | /* High impedance device found. Report as LINEOUT */ |
| 814 | wcd_mbhc_report_plug(mbhc, 1, SND_JACK_LINEOUT); |
| 815 | pr_debug("%s: setup mic trigger for further detection\n", |
| 816 | __func__); |
| 817 | |
| 818 | /* Disable HW FSM and current source */ |
| 819 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_FSM_EN, 0); |
| 820 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_BTN_ISRC_CTL, 0); |
| 821 | /* Setup for insertion detection */ |
| 822 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_ELECT_DETECTION_TYPE, |
| 823 | 1); |
| 824 | /* |
| 825 | * Enable HPHL trigger and MIC Schmitt triggers |
| 826 | * and request for elec insertion interrupts |
| 827 | */ |
| 828 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_ELECT_SCHMT_ISRC, |
| 829 | 3); |
| 830 | wcd_mbhc_hs_elec_irq(mbhc, WCD_MBHC_ELEC_HS_INS, |
| 831 | true); |
| 832 | } else { |
| 833 | wcd_mbhc_report_plug(mbhc, 1, SND_JACK_LINEOUT); |
| 834 | } |
| 835 | } else { |
| 836 | WARN(1, "Unexpected current plug_type %d, plug_type %d\n", |
| 837 | mbhc->current_plug, plug_type); |
| 838 | } |
| 839 | exit: |
| 840 | pr_debug("%s: leave\n", __func__); |
| 841 | } |
| 842 | EXPORT_SYMBOL(wcd_mbhc_find_plug_and_report); |
| 843 | |
| 844 | static void wcd_mbhc_swch_irq_handler(struct wcd_mbhc *mbhc) |
| 845 | { |
| 846 | bool detection_type = 0; |
| 847 | bool micbias1 = false; |
| 848 | struct snd_soc_codec *codec = mbhc->codec; |
| 849 | enum snd_jack_types jack_type; |
| 850 | |
| 851 | dev_dbg(codec->dev, "%s: enter\n", __func__); |
| 852 | WCD_MBHC_RSC_LOCK(mbhc); |
| 853 | mbhc->in_swch_irq_handler = true; |
| 854 | |
| 855 | /* cancel pending button press */ |
| 856 | if (wcd_cancel_btn_work(mbhc)) |
| 857 | pr_debug("%s: button press is canceled\n", __func__); |
| 858 | |
| 859 | WCD_MBHC_REG_READ(WCD_MBHC_MECH_DETECTION_TYPE, detection_type); |
| 860 | |
| 861 | /* Set the detection type appropriately */ |
| 862 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_MECH_DETECTION_TYPE, |
| 863 | !detection_type); |
| 864 | |
| 865 | pr_debug("%s: mbhc->current_plug: %d detection_type: %d\n", __func__, |
| 866 | mbhc->current_plug, detection_type); |
| 867 | if (mbhc->mbhc_fn->wcd_cancel_hs_detect_plug) |
| 868 | mbhc->mbhc_fn->wcd_cancel_hs_detect_plug(mbhc, |
| 869 | &mbhc->correct_plug_swch); |
| 870 | else |
| 871 | pr_info("%s: hs_detect_plug work not cancelled\n", __func__); |
| 872 | |
| 873 | if (mbhc->mbhc_cb->micbias_enable_status) |
| 874 | micbias1 = mbhc->mbhc_cb->micbias_enable_status(mbhc, |
| 875 | MIC_BIAS_1); |
| 876 | |
| 877 | if ((mbhc->current_plug == MBHC_PLUG_TYPE_NONE) && |
| 878 | detection_type) { |
| 879 | /* Make sure MASTER_BIAS_CTL is enabled */ |
| 880 | mbhc->mbhc_cb->mbhc_bias(codec, true); |
| 881 | |
| 882 | if (mbhc->mbhc_cb->mbhc_common_micb_ctrl) |
| 883 | mbhc->mbhc_cb->mbhc_common_micb_ctrl(codec, |
| 884 | MBHC_COMMON_MICB_TAIL_CURR, true); |
| 885 | |
| 886 | if (!mbhc->mbhc_cfg->hs_ext_micbias && |
| 887 | mbhc->mbhc_cb->micb_internal) |
| 888 | /* |
| 889 | * Enable Tx2 RBias if the headset |
| 890 | * is using internal micbias |
| 891 | */ |
| 892 | mbhc->mbhc_cb->micb_internal(codec, 1, true); |
| 893 | |
| 894 | /* Remove micbias pulldown */ |
| 895 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_PULLDOWN_CTRL, 0); |
| 896 | /* Apply trim if needed on the device */ |
| 897 | if (mbhc->mbhc_cb->trim_btn_reg) |
| 898 | mbhc->mbhc_cb->trim_btn_reg(codec); |
| 899 | /* Enable external voltage source to micbias if present */ |
| 900 | if (mbhc->mbhc_cb->enable_mb_source) |
| 901 | mbhc->mbhc_cb->enable_mb_source(mbhc, true); |
| 902 | mbhc->btn_press_intr = false; |
| 903 | mbhc->is_btn_press = false; |
| 904 | if (mbhc->mbhc_fn) |
| 905 | mbhc->mbhc_fn->wcd_mbhc_detect_plug_type(mbhc); |
| 906 | } else if ((mbhc->current_plug != MBHC_PLUG_TYPE_NONE) |
| 907 | && !detection_type) { |
| 908 | /* Disable external voltage source to micbias if present */ |
| 909 | if (mbhc->mbhc_cb->enable_mb_source) |
| 910 | mbhc->mbhc_cb->enable_mb_source(mbhc, false); |
| 911 | /* Disable HW FSM */ |
| 912 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_FSM_EN, 0); |
| 913 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_BTN_ISRC_CTL, 0); |
| 914 | if (mbhc->mbhc_cb->mbhc_common_micb_ctrl) |
| 915 | mbhc->mbhc_cb->mbhc_common_micb_ctrl(codec, |
| 916 | MBHC_COMMON_MICB_TAIL_CURR, false); |
| 917 | |
| 918 | if (mbhc->mbhc_cb->set_cap_mode) |
| 919 | mbhc->mbhc_cb->set_cap_mode(codec, micbias1, false); |
| 920 | |
| 921 | mbhc->btn_press_intr = false; |
| 922 | mbhc->is_btn_press = false; |
| 923 | switch (mbhc->current_plug) { |
| 924 | case MBHC_PLUG_TYPE_HEADPHONE: |
| 925 | jack_type = SND_JACK_HEADPHONE; |
| 926 | break; |
| 927 | case MBHC_PLUG_TYPE_GND_MIC_SWAP: |
| 928 | jack_type = SND_JACK_UNSUPPORTED; |
| 929 | break; |
| 930 | case MBHC_PLUG_TYPE_HEADSET: |
| 931 | /* make sure to turn off Rbias */ |
| 932 | if (mbhc->mbhc_cb->micb_internal) |
| 933 | mbhc->mbhc_cb->micb_internal(codec, 1, false); |
| 934 | /* Pulldown micbias */ |
| 935 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_PULLDOWN_CTRL, 1); |
| 936 | jack_type = SND_JACK_HEADSET; |
| 937 | break; |
| 938 | case MBHC_PLUG_TYPE_HIGH_HPH: |
| 939 | mbhc->is_extn_cable = false; |
| 940 | jack_type = SND_JACK_LINEOUT; |
| 941 | break; |
| 942 | case MBHC_PLUG_TYPE_ANC_HEADPHONE: |
| 943 | jack_type = SND_JACK_ANC_HEADPHONE; |
| 944 | break; |
| 945 | default: |
| 946 | pr_info("%s: Invalid current plug: %d\n", |
| 947 | __func__, mbhc->current_plug); |
| 948 | jack_type = SND_JACK_UNSUPPORTED; |
| 949 | break; |
| 950 | } |
| 951 | wcd_mbhc_hs_elec_irq(mbhc, WCD_MBHC_ELEC_HS_REM, false); |
| 952 | wcd_mbhc_hs_elec_irq(mbhc, WCD_MBHC_ELEC_HS_INS, false); |
| 953 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_ELECT_DETECTION_TYPE, 1); |
| 954 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_ELECT_SCHMT_ISRC, 0); |
| 955 | mbhc->extn_cable_hph_rem = false; |
| 956 | wcd_mbhc_report_plug(mbhc, 0, jack_type); |
| 957 | |
| 958 | } else if (!detection_type) { |
| 959 | /* Disable external voltage source to micbias if present */ |
| 960 | if (mbhc->mbhc_cb->enable_mb_source) |
| 961 | mbhc->mbhc_cb->enable_mb_source(mbhc, false); |
| 962 | /* Disable HW FSM */ |
| 963 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_FSM_EN, 0); |
| 964 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_BTN_ISRC_CTL, 0); |
| 965 | mbhc->extn_cable_hph_rem = false; |
| 966 | } |
| 967 | |
| 968 | mbhc->in_swch_irq_handler = false; |
| 969 | WCD_MBHC_RSC_UNLOCK(mbhc); |
| 970 | pr_debug("%s: leave\n", __func__); |
| 971 | } |
| 972 | |
| 973 | static irqreturn_t wcd_mbhc_mech_plug_detect_irq(int irq, void *data) |
| 974 | { |
| 975 | int r = IRQ_HANDLED; |
| 976 | struct wcd_mbhc *mbhc = data; |
| 977 | |
| 978 | pr_debug("%s: enter\n", __func__); |
| 979 | if (unlikely((mbhc->mbhc_cb->lock_sleep(mbhc, true)) == false)) { |
| 980 | pr_warn("%s: failed to hold suspend\n", __func__); |
| 981 | r = IRQ_NONE; |
| 982 | } else { |
| 983 | /* Call handler */ |
| 984 | wcd_mbhc_swch_irq_handler(mbhc); |
| 985 | mbhc->mbhc_cb->lock_sleep(mbhc, false); |
| 986 | } |
| 987 | pr_debug("%s: leave %d\n", __func__, r); |
| 988 | return r; |
| 989 | } |
| 990 | |
| 991 | int wcd_mbhc_get_button_mask(struct wcd_mbhc *mbhc) |
| 992 | { |
| 993 | int mask = 0; |
| 994 | int btn; |
| 995 | |
| 996 | btn = mbhc->mbhc_cb->map_btn_code_to_num(mbhc->codec); |
| 997 | |
| 998 | switch (btn) { |
| 999 | case 0: |
| 1000 | mask = SND_JACK_BTN_0; |
| 1001 | break; |
| 1002 | case 1: |
| 1003 | mask = SND_JACK_BTN_1; |
| 1004 | break; |
| 1005 | case 2: |
| 1006 | mask = SND_JACK_BTN_2; |
| 1007 | break; |
| 1008 | case 3: |
| 1009 | mask = SND_JACK_BTN_3; |
| 1010 | break; |
| 1011 | case 4: |
| 1012 | mask = SND_JACK_BTN_4; |
| 1013 | break; |
| 1014 | case 5: |
| 1015 | mask = SND_JACK_BTN_5; |
| 1016 | break; |
| 1017 | default: |
| 1018 | break; |
| 1019 | } |
| 1020 | |
| 1021 | return mask; |
| 1022 | } |
| 1023 | EXPORT_SYMBOL(wcd_mbhc_get_button_mask); |
| 1024 | |
| 1025 | static void wcd_btn_lpress_fn(struct work_struct *work) |
| 1026 | { |
| 1027 | struct delayed_work *dwork; |
| 1028 | struct wcd_mbhc *mbhc; |
| 1029 | s16 btn_result = 0; |
| 1030 | |
| 1031 | pr_debug("%s: Enter\n", __func__); |
| 1032 | |
| 1033 | dwork = to_delayed_work(work); |
| 1034 | mbhc = container_of(dwork, struct wcd_mbhc, mbhc_btn_dwork); |
| 1035 | |
| 1036 | WCD_MBHC_REG_READ(WCD_MBHC_BTN_RESULT, btn_result); |
| 1037 | if (mbhc->current_plug == MBHC_PLUG_TYPE_HEADSET) { |
| 1038 | pr_debug("%s: Reporting long button press event, btn_result: %d\n", |
| 1039 | __func__, btn_result); |
| 1040 | wcd_mbhc_jack_report(mbhc, &mbhc->button_jack, |
| 1041 | mbhc->buttons_pressed, mbhc->buttons_pressed); |
| 1042 | } |
| 1043 | pr_debug("%s: leave\n", __func__); |
| 1044 | mbhc->mbhc_cb->lock_sleep(mbhc, false); |
| 1045 | } |
| 1046 | |
| 1047 | static bool wcd_mbhc_fw_validate(const void *data, size_t size) |
| 1048 | { |
| 1049 | u32 cfg_offset; |
| 1050 | struct wcd_mbhc_btn_detect_cfg *btn_cfg; |
| 1051 | struct firmware_cal fw; |
| 1052 | |
| 1053 | fw.data = (void *)data; |
| 1054 | fw.size = size; |
| 1055 | |
| 1056 | if (fw.size < WCD_MBHC_CAL_MIN_SIZE) |
| 1057 | return false; |
| 1058 | |
| 1059 | /* |
| 1060 | * Previous check guarantees that there is enough fw data up |
| 1061 | * to num_btn |
| 1062 | */ |
| 1063 | btn_cfg = WCD_MBHC_CAL_BTN_DET_PTR(fw.data); |
| 1064 | cfg_offset = (u32) ((void *) btn_cfg - (void *) fw.data); |
| 1065 | if (fw.size < (cfg_offset + WCD_MBHC_CAL_BTN_SZ(btn_cfg))) |
| 1066 | return false; |
| 1067 | |
| 1068 | return true; |
| 1069 | } |
| 1070 | |
| 1071 | static irqreturn_t wcd_mbhc_btn_press_handler(int irq, void *data) |
| 1072 | { |
| 1073 | struct wcd_mbhc *mbhc = data; |
| 1074 | int mask; |
| 1075 | unsigned long msec_val; |
| 1076 | |
| 1077 | pr_debug("%s: enter\n", __func__); |
| 1078 | complete(&mbhc->btn_press_compl); |
| 1079 | WCD_MBHC_RSC_LOCK(mbhc); |
| 1080 | wcd_cancel_btn_work(mbhc); |
| 1081 | if (wcd_swch_level_remove(mbhc)) { |
| 1082 | pr_debug("%s: Switch level is low ", __func__); |
| 1083 | goto done; |
| 1084 | } |
| 1085 | |
| 1086 | mbhc->is_btn_press = true; |
| 1087 | msec_val = jiffies_to_msecs(jiffies - mbhc->jiffies_atreport); |
| 1088 | pr_debug("%s: msec_val = %ld\n", __func__, msec_val); |
| 1089 | if (msec_val < MBHC_BUTTON_PRESS_THRESHOLD_MIN) { |
| 1090 | pr_debug("%s: Too short, ignore button press\n", __func__); |
| 1091 | goto done; |
| 1092 | } |
| 1093 | |
| 1094 | /* If switch interrupt already kicked in, ignore button press */ |
| 1095 | if (mbhc->in_swch_irq_handler) { |
| 1096 | pr_debug("%s: Swtich level changed, ignore button press\n", |
| 1097 | __func__); |
| 1098 | goto done; |
| 1099 | } |
| 1100 | mask = wcd_mbhc_get_button_mask(mbhc); |
| 1101 | if (mask == SND_JACK_BTN_0) |
| 1102 | mbhc->btn_press_intr = true; |
| 1103 | |
| 1104 | if (mbhc->current_plug != MBHC_PLUG_TYPE_HEADSET) { |
| 1105 | pr_debug("%s: Plug isn't headset, ignore button press\n", |
| 1106 | __func__); |
| 1107 | goto done; |
| 1108 | } |
| 1109 | mbhc->buttons_pressed |= mask; |
| 1110 | mbhc->mbhc_cb->lock_sleep(mbhc, true); |
| 1111 | if (schedule_delayed_work(&mbhc->mbhc_btn_dwork, |
| 1112 | msecs_to_jiffies(400)) == 0) { |
| 1113 | WARN(1, "Button pressed twice without release event\n"); |
| 1114 | mbhc->mbhc_cb->lock_sleep(mbhc, false); |
| 1115 | } |
| 1116 | done: |
| 1117 | pr_debug("%s: leave\n", __func__); |
| 1118 | WCD_MBHC_RSC_UNLOCK(mbhc); |
| 1119 | return IRQ_HANDLED; |
| 1120 | } |
| 1121 | |
| 1122 | static irqreturn_t wcd_mbhc_release_handler(int irq, void *data) |
| 1123 | { |
| 1124 | struct wcd_mbhc *mbhc = data; |
| 1125 | int ret; |
| 1126 | |
| 1127 | pr_debug("%s: enter\n", __func__); |
| 1128 | WCD_MBHC_RSC_LOCK(mbhc); |
| 1129 | if (wcd_swch_level_remove(mbhc)) { |
| 1130 | pr_debug("%s: Switch level is low ", __func__); |
| 1131 | goto exit; |
| 1132 | } |
| 1133 | |
| 1134 | if (mbhc->is_btn_press) { |
| 1135 | mbhc->is_btn_press = false; |
| 1136 | } else { |
| 1137 | pr_debug("%s: This release is for fake btn press\n", __func__); |
| 1138 | goto exit; |
| 1139 | } |
| 1140 | |
| 1141 | /* |
| 1142 | * If current plug is headphone then there is no chance to |
| 1143 | * get btn release interrupt, so connected cable should be |
| 1144 | * headset not headphone. |
| 1145 | * For ADC MBHC, ADC_COMPLETE interrupt will be generated |
| 1146 | * in this case. So skip the check here. |
| 1147 | */ |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 1148 | if (mbhc->mbhc_detection_logic == WCD_DETECTION_LEGACY && |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1149 | mbhc->current_plug == MBHC_PLUG_TYPE_HEADPHONE) { |
| 1150 | wcd_mbhc_find_plug_and_report(mbhc, MBHC_PLUG_TYPE_HEADSET); |
| 1151 | goto exit; |
| 1152 | |
| 1153 | } |
| 1154 | if (mbhc->buttons_pressed & WCD_MBHC_JACK_BUTTON_MASK) { |
| 1155 | ret = wcd_cancel_btn_work(mbhc); |
| 1156 | if (ret == 0) { |
| 1157 | pr_debug("%s: Reporting long button release event\n", |
| 1158 | __func__); |
| 1159 | wcd_mbhc_jack_report(mbhc, &mbhc->button_jack, |
| 1160 | 0, mbhc->buttons_pressed); |
| 1161 | } else { |
| 1162 | if (mbhc->in_swch_irq_handler) { |
| 1163 | pr_debug("%s: Switch irq kicked in, ignore\n", |
| 1164 | __func__); |
| 1165 | } else { |
| 1166 | pr_debug("%s: Reporting btn press\n", |
| 1167 | __func__); |
| 1168 | wcd_mbhc_jack_report(mbhc, |
| 1169 | &mbhc->button_jack, |
| 1170 | mbhc->buttons_pressed, |
| 1171 | mbhc->buttons_pressed); |
| 1172 | pr_debug("%s: Reporting btn release\n", |
| 1173 | __func__); |
| 1174 | wcd_mbhc_jack_report(mbhc, |
| 1175 | &mbhc->button_jack, |
| 1176 | 0, mbhc->buttons_pressed); |
| 1177 | } |
| 1178 | } |
| 1179 | mbhc->buttons_pressed &= ~WCD_MBHC_JACK_BUTTON_MASK; |
| 1180 | } |
| 1181 | exit: |
| 1182 | pr_debug("%s: leave\n", __func__); |
| 1183 | WCD_MBHC_RSC_UNLOCK(mbhc); |
| 1184 | return IRQ_HANDLED; |
| 1185 | } |
| 1186 | |
| 1187 | static irqreturn_t wcd_mbhc_hphl_ocp_irq(int irq, void *data) |
| 1188 | { |
| 1189 | struct wcd_mbhc *mbhc = data; |
| 1190 | int val; |
| 1191 | |
| 1192 | pr_debug("%s: received HPHL OCP irq\n", __func__); |
| 1193 | if (mbhc) { |
| 1194 | if (mbhc->mbhc_cb->hph_register_recovery) { |
| 1195 | if (mbhc->mbhc_cb->hph_register_recovery(mbhc)) { |
| 1196 | WCD_MBHC_REG_READ(WCD_MBHC_HPHR_OCP_STATUS, |
| 1197 | val); |
| 1198 | if ((val != -EINVAL) && val) |
| 1199 | mbhc->is_hph_ocp_pending = true; |
| 1200 | goto done; |
| 1201 | } |
| 1202 | } |
| 1203 | |
| 1204 | if (mbhc->hphlocp_cnt < OCP_ATTEMPT) { |
| 1205 | mbhc->hphlocp_cnt++; |
| 1206 | pr_debug("%s: retry, hphlocp_cnt: %d\n", __func__, |
| 1207 | mbhc->hphlocp_cnt); |
| 1208 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_OCP_FSM_EN, 0); |
| 1209 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_OCP_FSM_EN, 1); |
| 1210 | } else { |
| 1211 | mbhc->mbhc_cb->irq_control(mbhc->codec, |
| 1212 | mbhc->intr_ids->hph_left_ocp, |
| 1213 | false); |
| 1214 | mbhc->hph_status |= SND_JACK_OC_HPHL; |
| 1215 | wcd_mbhc_jack_report(mbhc, &mbhc->headset_jack, |
| 1216 | mbhc->hph_status, |
| 1217 | WCD_MBHC_JACK_MASK); |
| 1218 | } |
| 1219 | } else { |
| 1220 | pr_err("%s: Bad wcd9xxx_spmi private data\n", __func__); |
| 1221 | } |
| 1222 | done: |
| 1223 | return IRQ_HANDLED; |
| 1224 | } |
| 1225 | |
| 1226 | static irqreturn_t wcd_mbhc_hphr_ocp_irq(int irq, void *data) |
| 1227 | { |
| 1228 | struct wcd_mbhc *mbhc = data; |
| 1229 | |
| 1230 | pr_debug("%s: received HPHR OCP irq\n", __func__); |
| 1231 | |
| 1232 | if (!mbhc) { |
| 1233 | pr_err("%s: Bad mbhc private data\n", __func__); |
| 1234 | goto done; |
| 1235 | } |
| 1236 | |
| 1237 | if (mbhc->is_hph_ocp_pending) { |
| 1238 | mbhc->is_hph_ocp_pending = false; |
| 1239 | goto done; |
| 1240 | } |
| 1241 | |
| 1242 | if (mbhc->mbhc_cb->hph_register_recovery) { |
| 1243 | if (mbhc->mbhc_cb->hph_register_recovery(mbhc)) |
| 1244 | /* register corruption, hence reset registers */ |
| 1245 | goto done; |
| 1246 | } |
| 1247 | if (mbhc->hphrocp_cnt < OCP_ATTEMPT) { |
| 1248 | mbhc->hphrocp_cnt++; |
| 1249 | pr_debug("%s: retry, hphrocp_cnt: %d\n", __func__, |
| 1250 | mbhc->hphrocp_cnt); |
| 1251 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_OCP_FSM_EN, 0); |
| 1252 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_OCP_FSM_EN, 1); |
| 1253 | } else { |
| 1254 | mbhc->mbhc_cb->irq_control(mbhc->codec, |
| 1255 | mbhc->intr_ids->hph_right_ocp, |
| 1256 | false); |
| 1257 | mbhc->hph_status |= SND_JACK_OC_HPHR; |
| 1258 | wcd_mbhc_jack_report(mbhc, &mbhc->headset_jack, |
| 1259 | mbhc->hph_status, WCD_MBHC_JACK_MASK); |
| 1260 | } |
| 1261 | done: |
| 1262 | return IRQ_HANDLED; |
| 1263 | } |
| 1264 | |
| 1265 | static int wcd_mbhc_initialise(struct wcd_mbhc *mbhc) |
| 1266 | { |
| 1267 | int ret = 0; |
| 1268 | struct snd_soc_codec *codec = mbhc->codec; |
| 1269 | |
| 1270 | pr_debug("%s: enter\n", __func__); |
| 1271 | WCD_MBHC_RSC_LOCK(mbhc); |
| 1272 | |
| 1273 | /* enable HS detection */ |
| 1274 | if (mbhc->mbhc_cb->hph_pull_up_control) |
| 1275 | mbhc->mbhc_cb->hph_pull_up_control(codec, I_DEFAULT); |
| 1276 | else |
| 1277 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_HS_L_DET_PULL_UP_CTRL, 3); |
| 1278 | |
| 1279 | if (mbhc->mbhc_cfg->moisture_en && mbhc->mbhc_cb->mbhc_moisture_config) |
| 1280 | mbhc->mbhc_cb->mbhc_moisture_config(mbhc); |
| 1281 | |
| 1282 | /* |
| 1283 | * For USB analog we need to override the switch configuration. |
| 1284 | * Also, disable hph_l pull-up current source as HS_DET_L is driven |
| 1285 | * by an external source |
| 1286 | */ |
| 1287 | if (mbhc->mbhc_cfg->enable_usbc_analog) { |
| 1288 | mbhc->hphl_swh = 1; |
| 1289 | mbhc->gnd_swh = 1; |
| 1290 | |
| 1291 | if (mbhc->mbhc_cb->hph_pull_up_control) |
| 1292 | mbhc->mbhc_cb->hph_pull_up_control(codec, I_OFF); |
| 1293 | else |
| 1294 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_HS_L_DET_PULL_UP_CTRL, |
| 1295 | 0); |
| 1296 | } |
| 1297 | |
| 1298 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_HPHL_PLUG_TYPE, mbhc->hphl_swh); |
| 1299 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_GND_PLUG_TYPE, mbhc->gnd_swh); |
| 1300 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_SW_HPH_LP_100K_TO_GND, 1); |
| 1301 | if (mbhc->mbhc_cfg->gnd_det_en && mbhc->mbhc_cb->mbhc_gnd_det_ctrl) |
| 1302 | mbhc->mbhc_cb->mbhc_gnd_det_ctrl(codec, true); |
| 1303 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_HS_L_DET_PULL_UP_COMP_CTRL, 1); |
| 1304 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_L_DET_EN, 1); |
| 1305 | |
| 1306 | if (mbhc->mbhc_cfg->enable_usbc_analog) { |
| 1307 | /* Insertion debounce set to 48ms */ |
| 1308 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_INSREM_DBNC, 4); |
| 1309 | } else { |
| 1310 | /* Insertion debounce set to 96ms */ |
| 1311 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_INSREM_DBNC, 6); |
| 1312 | } |
| 1313 | |
| 1314 | /* Button Debounce set to 16ms */ |
| 1315 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_BTN_DBNC, 2); |
| 1316 | |
| 1317 | /* Enable micbias ramp */ |
| 1318 | if (mbhc->mbhc_cb->mbhc_micb_ramp_control) |
| 1319 | mbhc->mbhc_cb->mbhc_micb_ramp_control(codec, true); |
| 1320 | /* enable bias */ |
| 1321 | mbhc->mbhc_cb->mbhc_bias(codec, true); |
| 1322 | /* enable MBHC clock */ |
| 1323 | if (mbhc->mbhc_cb->clk_setup) |
| 1324 | mbhc->mbhc_cb->clk_setup(codec, true); |
| 1325 | |
| 1326 | /* program HS_VREF value */ |
| 1327 | wcd_program_hs_vref(mbhc); |
| 1328 | |
| 1329 | wcd_program_btn_threshold(mbhc, false); |
| 1330 | |
| 1331 | |
| 1332 | reinit_completion(&mbhc->btn_press_compl); |
| 1333 | |
| 1334 | WCD_MBHC_RSC_UNLOCK(mbhc); |
| 1335 | pr_debug("%s: leave\n", __func__); |
| 1336 | return ret; |
| 1337 | } |
| 1338 | |
| 1339 | static void wcd_mbhc_fw_read(struct work_struct *work) |
| 1340 | { |
| 1341 | struct delayed_work *dwork; |
| 1342 | struct wcd_mbhc *mbhc; |
| 1343 | struct snd_soc_codec *codec; |
| 1344 | const struct firmware *fw; |
| 1345 | struct firmware_cal *fw_data = NULL; |
| 1346 | int ret = -1, retry = 0; |
| 1347 | bool use_default_cal = false; |
| 1348 | |
| 1349 | dwork = to_delayed_work(work); |
| 1350 | mbhc = container_of(dwork, struct wcd_mbhc, mbhc_firmware_dwork); |
| 1351 | codec = mbhc->codec; |
| 1352 | |
| 1353 | while (retry < FW_READ_ATTEMPTS) { |
| 1354 | retry++; |
| 1355 | pr_debug("%s:Attempt %d to request MBHC firmware\n", |
| 1356 | __func__, retry); |
| 1357 | if (mbhc->mbhc_cb->get_hwdep_fw_cal) |
| 1358 | fw_data = mbhc->mbhc_cb->get_hwdep_fw_cal(mbhc, |
| 1359 | WCD9XXX_MBHC_CAL); |
| 1360 | if (!fw_data) |
| 1361 | ret = request_firmware(&fw, "wcd9320/wcd9320_mbhc.bin", |
| 1362 | codec->dev); |
| 1363 | /* |
| 1364 | * if request_firmware and hwdep cal both fail then |
| 1365 | * sleep for 4sec for the userspace to send data to kernel |
| 1366 | * retry for few times before bailing out |
| 1367 | */ |
| 1368 | if ((ret != 0) && !fw_data) { |
| 1369 | usleep_range(FW_READ_TIMEOUT, FW_READ_TIMEOUT + |
| 1370 | WCD_MBHC_USLEEP_RANGE_MARGIN_US); |
| 1371 | } else { |
| 1372 | pr_debug("%s: MBHC Firmware read successful\n", |
| 1373 | __func__); |
| 1374 | break; |
| 1375 | } |
| 1376 | } |
| 1377 | if (!fw_data) |
| 1378 | pr_debug("%s: using request_firmware\n", __func__); |
| 1379 | else |
| 1380 | pr_debug("%s: using hwdep cal\n", __func__); |
| 1381 | |
| 1382 | if (ret != 0 && !fw_data) { |
| 1383 | pr_err("%s: Cannot load MBHC firmware use default cal\n", |
| 1384 | __func__); |
| 1385 | use_default_cal = true; |
| 1386 | } |
| 1387 | if (!use_default_cal) { |
| 1388 | const void *data; |
| 1389 | size_t size; |
| 1390 | |
| 1391 | if (fw_data) { |
| 1392 | data = fw_data->data; |
| 1393 | size = fw_data->size; |
| 1394 | } else { |
| 1395 | data = fw->data; |
| 1396 | size = fw->size; |
| 1397 | } |
| 1398 | if (wcd_mbhc_fw_validate(data, size) == false) { |
| 1399 | pr_err("%s: Invalid MBHC cal data size use default cal\n", |
| 1400 | __func__); |
| 1401 | if (!fw_data) |
| 1402 | release_firmware(fw); |
| 1403 | } else { |
| 1404 | if (fw_data) { |
| 1405 | mbhc->mbhc_cfg->calibration = |
| 1406 | (void *)fw_data->data; |
| 1407 | mbhc->mbhc_cal = fw_data; |
| 1408 | } else { |
| 1409 | mbhc->mbhc_cfg->calibration = |
| 1410 | (void *)fw->data; |
| 1411 | mbhc->mbhc_fw = fw; |
| 1412 | } |
| 1413 | } |
| 1414 | |
| 1415 | } |
| 1416 | |
| 1417 | (void) wcd_mbhc_initialise(mbhc); |
| 1418 | } |
| 1419 | |
| 1420 | static int wcd_mbhc_set_keycode(struct wcd_mbhc *mbhc) |
| 1421 | { |
| 1422 | enum snd_jack_types type; |
| 1423 | int i, ret, result = 0; |
| 1424 | int *btn_key_code; |
| 1425 | |
| 1426 | btn_key_code = mbhc->mbhc_cfg->key_code; |
| 1427 | |
| 1428 | for (i = 0 ; i < WCD_MBHC_KEYCODE_NUM ; i++) { |
| 1429 | if (btn_key_code[i] != 0) { |
| 1430 | switch (i) { |
| 1431 | case 0: |
| 1432 | type = SND_JACK_BTN_0; |
| 1433 | break; |
| 1434 | case 1: |
| 1435 | type = SND_JACK_BTN_1; |
| 1436 | break; |
| 1437 | case 2: |
| 1438 | type = SND_JACK_BTN_2; |
| 1439 | break; |
| 1440 | case 3: |
| 1441 | type = SND_JACK_BTN_3; |
| 1442 | break; |
| 1443 | case 4: |
| 1444 | type = SND_JACK_BTN_4; |
| 1445 | break; |
| 1446 | case 5: |
| 1447 | type = SND_JACK_BTN_5; |
| 1448 | break; |
| 1449 | default: |
| 1450 | WARN_ONCE(1, "Wrong button number:%d\n", i); |
| 1451 | result = -1; |
| 1452 | return result; |
| 1453 | } |
| 1454 | ret = snd_jack_set_key(mbhc->button_jack.jack, |
| 1455 | type, |
| 1456 | btn_key_code[i]); |
| 1457 | if (ret) { |
| 1458 | pr_err("%s: Failed to set code for %d\n", |
| 1459 | __func__, btn_key_code[i]); |
| 1460 | result = -1; |
| 1461 | return result; |
| 1462 | } |
| 1463 | input_set_capability( |
| 1464 | mbhc->button_jack.jack->input_dev, |
| 1465 | EV_KEY, btn_key_code[i]); |
| 1466 | pr_debug("%s: set btn%d key code:%d\n", __func__, |
| 1467 | i, btn_key_code[i]); |
| 1468 | } |
| 1469 | } |
| 1470 | if (btn_key_code[0]) |
| 1471 | mbhc->is_btn_already_regd = true; |
| 1472 | return result; |
| 1473 | } |
| 1474 | |
| 1475 | static int wcd_mbhc_usb_c_analog_setup_gpios(struct wcd_mbhc *mbhc, |
| 1476 | bool active) |
| 1477 | { |
| 1478 | int rc = 0; |
| 1479 | struct usbc_ana_audio_config *config = |
| 1480 | &mbhc->mbhc_cfg->usbc_analog_cfg; |
| 1481 | union power_supply_propval pval; |
| 1482 | |
| 1483 | dev_dbg(mbhc->codec->dev, "%s: setting GPIOs active = %d\n", |
| 1484 | __func__, active); |
| 1485 | |
| 1486 | memset(&pval, 0, sizeof(pval)); |
| 1487 | |
| 1488 | if (active) { |
| 1489 | pval.intval = POWER_SUPPLY_TYPEC_PR_SOURCE; |
| 1490 | if (power_supply_set_property(mbhc->usb_psy, |
| 1491 | POWER_SUPPLY_PROP_TYPEC_POWER_ROLE, &pval)) |
| 1492 | dev_info(mbhc->codec->dev, "%s: force PR_SOURCE mode unsuccessful\n", |
| 1493 | __func__); |
| 1494 | else |
| 1495 | mbhc->usbc_force_pr_mode = true; |
| 1496 | |
| 1497 | if (config->usbc_en1_gpio_p) |
| 1498 | rc = msm_cdc_pinctrl_select_active_state( |
| 1499 | config->usbc_en1_gpio_p); |
| 1500 | if (rc == 0 && config->usbc_force_gpio_p) |
| 1501 | rc = msm_cdc_pinctrl_select_active_state( |
| 1502 | config->usbc_force_gpio_p); |
| 1503 | mbhc->usbc_mode = POWER_SUPPLY_TYPEC_SINK_AUDIO_ADAPTER; |
| 1504 | } else { |
| 1505 | /* no delay is required when disabling GPIOs */ |
| 1506 | if (config->usbc_en1_gpio_p) |
| 1507 | msm_cdc_pinctrl_select_sleep_state( |
| 1508 | config->usbc_en1_gpio_p); |
| 1509 | if (config->usbc_force_gpio_p) |
| 1510 | msm_cdc_pinctrl_select_sleep_state( |
| 1511 | config->usbc_force_gpio_p); |
| 1512 | |
| 1513 | if (mbhc->usbc_force_pr_mode) { |
| 1514 | pval.intval = POWER_SUPPLY_TYPEC_PR_DUAL; |
| 1515 | if (power_supply_set_property(mbhc->usb_psy, |
| 1516 | POWER_SUPPLY_PROP_TYPEC_POWER_ROLE, &pval)) |
| 1517 | dev_info(mbhc->codec->dev, "%s: force PR_DUAL mode unsuccessful\n", |
| 1518 | __func__); |
| 1519 | |
| 1520 | mbhc->usbc_force_pr_mode = false; |
| 1521 | } |
| 1522 | |
| 1523 | mbhc->usbc_mode = POWER_SUPPLY_TYPEC_NONE; |
| 1524 | if (mbhc->mbhc_cfg->swap_gnd_mic) |
| 1525 | mbhc->mbhc_cfg->swap_gnd_mic(mbhc->codec, false); |
| 1526 | } |
| 1527 | |
| 1528 | return rc; |
| 1529 | } |
| 1530 | |
| 1531 | /* workqueue */ |
| 1532 | static void wcd_mbhc_usbc_analog_work_fn(struct work_struct *work) |
| 1533 | { |
| 1534 | struct wcd_mbhc *mbhc = |
| 1535 | container_of(work, struct wcd_mbhc, usbc_analog_work); |
| 1536 | |
| 1537 | wcd_mbhc_usb_c_analog_setup_gpios(mbhc, |
| 1538 | mbhc->usbc_mode != POWER_SUPPLY_TYPEC_NONE); |
| 1539 | } |
| 1540 | |
| 1541 | /* this callback function is used to process PMI notification */ |
| 1542 | static int wcd_mbhc_usb_c_event_changed(struct notifier_block *nb, |
| 1543 | unsigned long evt, void *ptr) |
| 1544 | { |
| 1545 | int ret; |
| 1546 | union power_supply_propval mode; |
| 1547 | struct wcd_mbhc *mbhc = container_of(nb, struct wcd_mbhc, psy_nb); |
| 1548 | struct snd_soc_codec *codec = mbhc->codec; |
| 1549 | |
| 1550 | if (ptr != mbhc->usb_psy || evt != PSY_EVENT_PROP_CHANGED) |
| 1551 | return 0; |
| 1552 | |
| 1553 | ret = power_supply_get_property(mbhc->usb_psy, |
| 1554 | POWER_SUPPLY_PROP_TYPEC_MODE, &mode); |
| 1555 | if (ret) { |
| 1556 | dev_err(codec->dev, "%s: Unable to read USB TYPEC_MODE: %d\n", |
| 1557 | __func__, ret); |
| 1558 | return ret; |
| 1559 | } |
| 1560 | |
| 1561 | dev_dbg(codec->dev, "%s: USB change event received\n", |
| 1562 | __func__); |
| 1563 | dev_dbg(codec->dev, "%s: supply mode %d, expected %d\n", __func__, |
| 1564 | mode.intval, POWER_SUPPLY_TYPEC_SINK_AUDIO_ADAPTER); |
| 1565 | |
| 1566 | switch (mode.intval) { |
| 1567 | case POWER_SUPPLY_TYPEC_SINK_AUDIO_ADAPTER: |
| 1568 | case POWER_SUPPLY_TYPEC_NONE: |
| 1569 | dev_dbg(codec->dev, "%s: usbc_mode: %d; mode.intval: %d\n", |
| 1570 | __func__, mbhc->usbc_mode, mode.intval); |
| 1571 | |
| 1572 | if (mbhc->usbc_mode == mode.intval) |
| 1573 | break; /* filter notifications received before */ |
| 1574 | mbhc->usbc_mode = mode.intval; |
| 1575 | |
| 1576 | dev_dbg(codec->dev, "%s: queueing usbc_analog_work\n", |
| 1577 | __func__); |
| 1578 | schedule_work(&mbhc->usbc_analog_work); |
| 1579 | break; |
| 1580 | default: |
| 1581 | break; |
| 1582 | } |
| 1583 | return ret; |
| 1584 | } |
| 1585 | |
| 1586 | /* PMI registration code */ |
| 1587 | static int wcd_mbhc_usb_c_analog_init(struct wcd_mbhc *mbhc) |
| 1588 | { |
| 1589 | int ret = 0; |
| 1590 | struct snd_soc_codec *codec = mbhc->codec; |
| 1591 | |
| 1592 | dev_dbg(mbhc->codec->dev, "%s: usb-c analog setup start\n", __func__); |
| 1593 | INIT_WORK(&mbhc->usbc_analog_work, wcd_mbhc_usbc_analog_work_fn); |
| 1594 | |
| 1595 | mbhc->usb_psy = power_supply_get_by_name("usb"); |
| 1596 | if (IS_ERR_OR_NULL(mbhc->usb_psy)) { |
| 1597 | dev_err(codec->dev, "%s: could not get USB psy info\n", |
| 1598 | __func__); |
| 1599 | ret = -EPROBE_DEFER; |
| 1600 | if (IS_ERR(mbhc->usb_psy)) |
| 1601 | ret = PTR_ERR(mbhc->usb_psy); |
| 1602 | mbhc->usb_psy = NULL; |
| 1603 | goto err; |
| 1604 | } |
| 1605 | |
| 1606 | ret = wcd_mbhc_usb_c_analog_setup_gpios(mbhc, false); |
| 1607 | if (ret) { |
| 1608 | dev_err(codec->dev, "%s: error while setting USBC ana gpios\n", |
| 1609 | __func__); |
| 1610 | goto err; |
| 1611 | } |
| 1612 | |
| 1613 | mbhc->psy_nb.notifier_call = wcd_mbhc_usb_c_event_changed; |
| 1614 | mbhc->psy_nb.priority = 0; |
| 1615 | ret = power_supply_reg_notifier(&mbhc->psy_nb); |
| 1616 | if (ret) { |
| 1617 | dev_err(codec->dev, "%s: power supply registration failed\n", |
| 1618 | __func__); |
| 1619 | goto err; |
| 1620 | } |
| 1621 | |
| 1622 | /* |
| 1623 | * as part of the init sequence check if there is a connected |
| 1624 | * USB C analog adapter |
| 1625 | */ |
| 1626 | dev_dbg(mbhc->codec->dev, "%s: verify if USB adapter is already inserted\n", |
| 1627 | __func__); |
| 1628 | ret = wcd_mbhc_usb_c_event_changed(&mbhc->psy_nb, |
| 1629 | PSY_EVENT_PROP_CHANGED, |
| 1630 | mbhc->usb_psy); |
| 1631 | |
| 1632 | err: |
| 1633 | return ret; |
| 1634 | } |
| 1635 | |
| 1636 | static int wcd_mbhc_usb_c_analog_deinit(struct wcd_mbhc *mbhc) |
| 1637 | { |
| 1638 | wcd_mbhc_usb_c_analog_setup_gpios(mbhc, false); |
| 1639 | |
| 1640 | /* deregister from PMI */ |
| 1641 | power_supply_unreg_notifier(&mbhc->psy_nb); |
| 1642 | |
| 1643 | return 0; |
| 1644 | } |
| 1645 | |
| 1646 | static int wcd_mbhc_init_gpio(struct wcd_mbhc *mbhc, |
| 1647 | struct wcd_mbhc_config *mbhc_cfg, |
| 1648 | const char *gpio_dt_str, |
| 1649 | int *gpio, struct device_node **gpio_dn) |
| 1650 | { |
| 1651 | int rc = 0; |
| 1652 | struct snd_soc_codec *codec = mbhc->codec; |
| 1653 | struct snd_soc_card *card = codec->component.card; |
| 1654 | |
| 1655 | dev_dbg(mbhc->codec->dev, "%s: gpio %s\n", __func__, gpio_dt_str); |
| 1656 | |
| 1657 | *gpio_dn = of_parse_phandle(card->dev->of_node, gpio_dt_str, 0); |
| 1658 | |
| 1659 | if (!(*gpio_dn)) { |
| 1660 | *gpio = of_get_named_gpio(card->dev->of_node, gpio_dt_str, 0); |
| 1661 | if (!gpio_is_valid(*gpio)) { |
| 1662 | dev_err(card->dev, "%s, property %s not in node %s", |
| 1663 | __func__, gpio_dt_str, |
| 1664 | card->dev->of_node->full_name); |
| 1665 | rc = -EINVAL; |
| 1666 | } |
| 1667 | } |
| 1668 | |
| 1669 | return rc; |
| 1670 | } |
| 1671 | |
| 1672 | int wcd_mbhc_start(struct wcd_mbhc *mbhc, struct wcd_mbhc_config *mbhc_cfg) |
| 1673 | { |
| 1674 | int rc = 0; |
| 1675 | struct usbc_ana_audio_config *config; |
| 1676 | struct snd_soc_codec *codec; |
| 1677 | struct snd_soc_card *card; |
| 1678 | const char *usb_c_dt = "qcom,msm-mbhc-usbc-audio-supported"; |
| 1679 | |
| 1680 | if (!mbhc || !mbhc_cfg) |
| 1681 | return -EINVAL; |
| 1682 | |
| 1683 | config = &mbhc_cfg->usbc_analog_cfg; |
| 1684 | codec = mbhc->codec; |
| 1685 | card = codec->component.card; |
| 1686 | |
| 1687 | /* update the mbhc config */ |
| 1688 | mbhc->mbhc_cfg = mbhc_cfg; |
| 1689 | |
| 1690 | dev_dbg(mbhc->codec->dev, "%s: enter\n", __func__); |
| 1691 | |
| 1692 | /* check if USB C analog is defined on device tree */ |
| 1693 | mbhc_cfg->enable_usbc_analog = 0; |
| 1694 | if (of_find_property(card->dev->of_node, usb_c_dt, NULL)) { |
| 1695 | rc = of_property_read_u32(card->dev->of_node, usb_c_dt, |
| 1696 | &mbhc_cfg->enable_usbc_analog); |
| 1697 | } |
| 1698 | if (mbhc_cfg->enable_usbc_analog == 0 || rc != 0) { |
| 1699 | dev_info(card->dev, |
| 1700 | "%s: %s in dt node is missing or false\n", |
| 1701 | __func__, usb_c_dt); |
| 1702 | dev_info(card->dev, |
| 1703 | "%s: skipping USB c analog configuration\n", __func__); |
| 1704 | } |
| 1705 | |
| 1706 | /* initialize GPIOs */ |
| 1707 | if (mbhc_cfg->enable_usbc_analog) { |
| 1708 | dev_dbg(mbhc->codec->dev, "%s: usbc analog enabled\n", |
| 1709 | __func__); |
| 1710 | rc = wcd_mbhc_init_gpio(mbhc, mbhc_cfg, |
| 1711 | "qcom,usbc-analog-en1-gpio", |
| 1712 | &config->usbc_en1_gpio, |
| 1713 | &config->usbc_en1_gpio_p); |
| 1714 | if (rc) |
| 1715 | goto err; |
| 1716 | |
| 1717 | if (of_find_property(card->dev->of_node, |
| 1718 | "qcom,usbc-analog-force_detect_gpio", |
| 1719 | NULL)) { |
| 1720 | rc = wcd_mbhc_init_gpio(mbhc, mbhc_cfg, |
| 1721 | "qcom,usbc-analog-force_detect_gpio", |
| 1722 | &config->usbc_force_gpio, |
| 1723 | &config->usbc_force_gpio_p); |
| 1724 | if (rc) |
| 1725 | goto err; |
| 1726 | } |
| 1727 | |
| 1728 | dev_dbg(mbhc->codec->dev, "%s: calling usb_c_analog_init\n", |
| 1729 | __func__); |
| 1730 | /* init PMI notifier */ |
| 1731 | rc = wcd_mbhc_usb_c_analog_init(mbhc); |
| 1732 | if (rc) { |
| 1733 | rc = EPROBE_DEFER; |
| 1734 | goto err; |
| 1735 | } |
| 1736 | } |
| 1737 | |
| 1738 | /* Set btn key code */ |
| 1739 | if ((!mbhc->is_btn_already_regd) && wcd_mbhc_set_keycode(mbhc)) |
| 1740 | pr_err("Set btn key code error!!!\n"); |
| 1741 | |
| 1742 | if (!mbhc->mbhc_cfg->read_fw_bin || |
| 1743 | (mbhc->mbhc_cfg->read_fw_bin && mbhc->mbhc_fw) || |
| 1744 | (mbhc->mbhc_cfg->read_fw_bin && mbhc->mbhc_cal)) { |
| 1745 | rc = wcd_mbhc_initialise(mbhc); |
| 1746 | } else { |
| 1747 | if (!mbhc->mbhc_fw || !mbhc->mbhc_cal) |
| 1748 | schedule_delayed_work(&mbhc->mbhc_firmware_dwork, |
| 1749 | usecs_to_jiffies(FW_READ_TIMEOUT)); |
| 1750 | else |
| 1751 | pr_err("%s: Skipping to read mbhc fw, 0x%pK %pK\n", |
| 1752 | __func__, mbhc->mbhc_fw, mbhc->mbhc_cal); |
| 1753 | } |
| 1754 | |
| 1755 | return rc; |
| 1756 | err: |
| 1757 | if (config->usbc_en1_gpio > 0) { |
| 1758 | dev_dbg(card->dev, "%s free usb en1 gpio %d\n", |
| 1759 | __func__, config->usbc_en1_gpio); |
| 1760 | gpio_free(config->usbc_en1_gpio); |
| 1761 | config->usbc_en1_gpio = 0; |
| 1762 | } |
| 1763 | if (config->usbc_force_gpio > 0) { |
| 1764 | dev_dbg(card->dev, "%s free usb_force gpio %d\n", |
| 1765 | __func__, config->usbc_force_gpio); |
| 1766 | gpio_free(config->usbc_force_gpio); |
| 1767 | config->usbc_force_gpio = 0; |
| 1768 | } |
| 1769 | if (config->usbc_en1_gpio_p) |
| 1770 | of_node_put(config->usbc_en1_gpio_p); |
| 1771 | if (config->usbc_force_gpio_p) |
| 1772 | of_node_put(config->usbc_force_gpio_p); |
| 1773 | dev_dbg(mbhc->codec->dev, "%s: leave %d\n", __func__, rc); |
| 1774 | return rc; |
| 1775 | } |
| 1776 | EXPORT_SYMBOL(wcd_mbhc_start); |
| 1777 | |
| 1778 | void wcd_mbhc_stop(struct wcd_mbhc *mbhc) |
| 1779 | { |
| 1780 | struct usbc_ana_audio_config *config = &mbhc->mbhc_cfg->usbc_analog_cfg; |
| 1781 | |
| 1782 | pr_debug("%s: enter\n", __func__); |
| 1783 | |
| 1784 | if (mbhc->current_plug != MBHC_PLUG_TYPE_NONE) { |
| 1785 | if (mbhc->mbhc_cb && mbhc->mbhc_cb->skip_imped_detect) |
| 1786 | mbhc->mbhc_cb->skip_imped_detect(mbhc->codec); |
| 1787 | } |
| 1788 | mbhc->current_plug = MBHC_PLUG_TYPE_NONE; |
| 1789 | mbhc->hph_status = 0; |
| 1790 | if (mbhc->mbhc_cb && mbhc->mbhc_cb->irq_control) { |
| 1791 | mbhc->mbhc_cb->irq_control(mbhc->codec, |
| 1792 | mbhc->intr_ids->hph_left_ocp, |
| 1793 | false); |
| 1794 | mbhc->mbhc_cb->irq_control(mbhc->codec, |
| 1795 | mbhc->intr_ids->hph_right_ocp, |
| 1796 | false); |
| 1797 | } |
| 1798 | if (mbhc->mbhc_fw || mbhc->mbhc_cal) { |
| 1799 | cancel_delayed_work_sync(&mbhc->mbhc_firmware_dwork); |
| 1800 | if (!mbhc->mbhc_cal) |
| 1801 | release_firmware(mbhc->mbhc_fw); |
| 1802 | mbhc->mbhc_fw = NULL; |
| 1803 | mbhc->mbhc_cal = NULL; |
| 1804 | } |
| 1805 | |
| 1806 | if (mbhc->mbhc_cfg->enable_usbc_analog) { |
| 1807 | wcd_mbhc_usb_c_analog_deinit(mbhc); |
| 1808 | /* free GPIOs */ |
| 1809 | if (config->usbc_en1_gpio > 0) |
| 1810 | gpio_free(config->usbc_en1_gpio); |
| 1811 | if (config->usbc_force_gpio) |
| 1812 | gpio_free(config->usbc_force_gpio); |
| 1813 | |
| 1814 | if (config->usbc_en1_gpio_p) |
| 1815 | of_node_put(config->usbc_en1_gpio_p); |
| 1816 | if (config->usbc_force_gpio_p) |
| 1817 | of_node_put(config->usbc_force_gpio_p); |
| 1818 | } |
| 1819 | |
| 1820 | pr_debug("%s: leave\n", __func__); |
| 1821 | } |
| 1822 | EXPORT_SYMBOL(wcd_mbhc_stop); |
| 1823 | |
| 1824 | /* |
| 1825 | * wcd_mbhc_init : initialize MBHC internal structures. |
| 1826 | * |
| 1827 | * NOTE: mbhc->mbhc_cfg is not YET configure so shouldn't be used |
| 1828 | */ |
| 1829 | int wcd_mbhc_init(struct wcd_mbhc *mbhc, struct snd_soc_codec *codec, |
| 1830 | const struct wcd_mbhc_cb *mbhc_cb, |
| 1831 | const struct wcd_mbhc_intr *mbhc_cdc_intr_ids, |
| 1832 | struct wcd_mbhc_register *wcd_mbhc_regs, |
| 1833 | bool impedance_det_en) |
| 1834 | { |
| 1835 | int ret = 0; |
| 1836 | int hph_swh = 0; |
| 1837 | int gnd_swh = 0; |
| 1838 | u32 hph_moist_config[3]; |
| 1839 | struct snd_soc_card *card = codec->component.card; |
| 1840 | const char *hph_switch = "qcom,msm-mbhc-hphl-swh"; |
| 1841 | const char *gnd_switch = "qcom,msm-mbhc-gnd-swh"; |
Meng Wang | 4d6a6be | 2017-09-15 10:35:44 +0800 | [diff] [blame] | 1842 | const char *hs_thre = "qcom,msm-mbhc-hs-mic-max-threshold-mv"; |
| 1843 | const char *hph_thre = "qcom,msm-mbhc-hs-mic-min-threshold-mv"; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1844 | |
| 1845 | pr_debug("%s: enter\n", __func__); |
| 1846 | |
| 1847 | ret = of_property_read_u32(card->dev->of_node, hph_switch, &hph_swh); |
| 1848 | if (ret) { |
| 1849 | dev_err(card->dev, |
| 1850 | "%s: missing %s in dt node\n", __func__, hph_switch); |
| 1851 | goto err; |
| 1852 | } |
| 1853 | |
| 1854 | ret = of_property_read_u32(card->dev->of_node, gnd_switch, &gnd_swh); |
| 1855 | if (ret) { |
| 1856 | dev_err(card->dev, |
| 1857 | "%s: missing %s in dt node\n", __func__, gnd_switch); |
| 1858 | goto err; |
| 1859 | } |
| 1860 | |
Meng Wang | 4d6a6be | 2017-09-15 10:35:44 +0800 | [diff] [blame] | 1861 | ret = of_property_read_u32(card->dev->of_node, hs_thre, |
| 1862 | &(mbhc->hs_thr)); |
| 1863 | if (ret) |
| 1864 | dev_dbg(card->dev, |
| 1865 | "%s: missing %s in dt node\n", __func__, hs_thre); |
| 1866 | |
| 1867 | ret = of_property_read_u32(card->dev->of_node, hph_thre, |
| 1868 | &(mbhc->hph_thr)); |
| 1869 | if (ret) |
| 1870 | dev_dbg(card->dev, |
| 1871 | "%s: missing %s in dt node\n", __func__, hph_thre); |
| 1872 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1873 | ret = of_property_read_u32_array(card->dev->of_node, |
| 1874 | "qcom,msm-mbhc-moist-cfg", |
| 1875 | hph_moist_config, 3); |
| 1876 | if (ret) { |
| 1877 | dev_dbg(card->dev, "%s: no qcom,msm-mbhc-moist-cfg in DT\n", |
| 1878 | __func__); |
| 1879 | mbhc->moist_vref = V_45_MV; |
| 1880 | mbhc->moist_iref = I_3P0_UA; |
| 1881 | mbhc->moist_rref = R_24_KOHM; |
| 1882 | } else { |
| 1883 | mbhc->moist_vref = hph_moist_config[0]; |
| 1884 | mbhc->moist_iref = hph_moist_config[1]; |
| 1885 | mbhc->moist_rref = hph_moist_config[2]; |
| 1886 | } |
| 1887 | |
| 1888 | mbhc->in_swch_irq_handler = false; |
| 1889 | mbhc->current_plug = MBHC_PLUG_TYPE_NONE; |
| 1890 | mbhc->is_btn_press = false; |
| 1891 | mbhc->codec = codec; |
| 1892 | mbhc->intr_ids = mbhc_cdc_intr_ids; |
| 1893 | mbhc->impedance_detect = impedance_det_en; |
| 1894 | mbhc->hphl_swh = hph_swh; |
| 1895 | mbhc->gnd_swh = gnd_swh; |
| 1896 | mbhc->micbias_enable = false; |
| 1897 | mbhc->mbhc_cb = mbhc_cb; |
| 1898 | mbhc->btn_press_intr = false; |
| 1899 | mbhc->is_hs_recording = false; |
| 1900 | mbhc->is_extn_cable = false; |
| 1901 | mbhc->extn_cable_hph_rem = false; |
| 1902 | mbhc->hph_type = WCD_MBHC_HPH_NONE; |
| 1903 | mbhc->wcd_mbhc_regs = wcd_mbhc_regs; |
| 1904 | |
| 1905 | if (mbhc->intr_ids == NULL) { |
| 1906 | pr_err("%s: Interrupt mapping not provided\n", __func__); |
| 1907 | return -EINVAL; |
| 1908 | } |
| 1909 | if (!mbhc->wcd_mbhc_regs) { |
| 1910 | dev_err(codec->dev, "%s: mbhc registers are not defined\n", |
| 1911 | __func__); |
| 1912 | return -EINVAL; |
| 1913 | } |
| 1914 | |
| 1915 | /* Check if IRQ and other required callbacks are defined or not */ |
| 1916 | if (!mbhc_cb || !mbhc_cb->request_irq || !mbhc_cb->irq_control || |
| 1917 | !mbhc_cb->free_irq || !mbhc_cb->map_btn_code_to_num || |
| 1918 | !mbhc_cb->lock_sleep || !mbhc_cb->mbhc_bias || |
| 1919 | !mbhc_cb->set_btn_thr) { |
| 1920 | dev_err(codec->dev, "%s: required mbhc callbacks are not defined\n", |
| 1921 | __func__); |
| 1922 | return -EINVAL; |
| 1923 | } |
| 1924 | |
| 1925 | /* No need to create new sound card jacks if is is already created */ |
| 1926 | if (mbhc->headset_jack.jack == NULL) { |
| 1927 | ret = snd_soc_card_jack_new(codec->component.card, |
| 1928 | "Headset Jack", WCD_MBHC_JACK_MASK, |
| 1929 | &mbhc->headset_jack, NULL, 0); |
| 1930 | if (ret) { |
| 1931 | pr_err("%s: Failed to create new jack\n", __func__); |
| 1932 | return ret; |
| 1933 | } |
| 1934 | |
| 1935 | ret = snd_soc_card_jack_new(codec->component.card, |
| 1936 | "Button Jack", |
| 1937 | WCD_MBHC_JACK_BUTTON_MASK, |
| 1938 | &mbhc->button_jack, NULL, 0); |
| 1939 | if (ret) { |
| 1940 | pr_err("Failed to create new jack\n"); |
| 1941 | return ret; |
| 1942 | } |
| 1943 | |
| 1944 | ret = snd_jack_set_key(mbhc->button_jack.jack, |
| 1945 | SND_JACK_BTN_0, |
| 1946 | KEY_MEDIA); |
| 1947 | if (ret) { |
| 1948 | pr_err("%s: Failed to set code for btn-0\n", |
| 1949 | __func__); |
| 1950 | return ret; |
| 1951 | } |
| 1952 | |
| 1953 | INIT_DELAYED_WORK(&mbhc->mbhc_firmware_dwork, |
| 1954 | wcd_mbhc_fw_read); |
| 1955 | INIT_DELAYED_WORK(&mbhc->mbhc_btn_dwork, wcd_btn_lpress_fn); |
| 1956 | } |
| 1957 | mutex_init(&mbhc->hphl_pa_lock); |
| 1958 | mutex_init(&mbhc->hphr_pa_lock); |
| 1959 | init_completion(&mbhc->btn_press_compl); |
| 1960 | |
| 1961 | /* Register event notifier */ |
| 1962 | mbhc->nblock.notifier_call = wcd_event_notify; |
| 1963 | if (mbhc->mbhc_cb->register_notifier) { |
| 1964 | ret = mbhc->mbhc_cb->register_notifier(mbhc, &mbhc->nblock, |
| 1965 | true); |
| 1966 | if (ret) { |
| 1967 | pr_err("%s: Failed to register notifier %d\n", |
| 1968 | __func__, ret); |
| 1969 | return ret; |
| 1970 | } |
| 1971 | } |
| 1972 | |
| 1973 | init_waitqueue_head(&mbhc->wait_btn_press); |
| 1974 | mutex_init(&mbhc->codec_resource_lock); |
| 1975 | |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 1976 | switch (mbhc->mbhc_detection_logic) { |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1977 | case WCD_DETECTION_LEGACY: |
| 1978 | wcd_mbhc_legacy_init(mbhc); |
| 1979 | break; |
| 1980 | case WCD_DETECTION_ADC: |
| 1981 | wcd_mbhc_adc_init(mbhc); |
| 1982 | break; |
| 1983 | default: |
| 1984 | pr_err("%s: Unknown detection logic type %d\n", |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 1985 | __func__, mbhc->mbhc_detection_logic); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1986 | break; |
| 1987 | } |
| 1988 | |
| 1989 | if (!mbhc->mbhc_fn || |
| 1990 | !mbhc->mbhc_fn->wcd_mbhc_hs_ins_irq || |
| 1991 | !mbhc->mbhc_fn->wcd_mbhc_hs_rem_irq || |
| 1992 | !mbhc->mbhc_fn->wcd_mbhc_detect_plug_type || |
| 1993 | !mbhc->mbhc_fn->wcd_cancel_hs_detect_plug) { |
| 1994 | pr_err("%s: mbhc function pointer is NULL\n", __func__); |
| 1995 | goto err_mbhc_sw_irq; |
| 1996 | } |
| 1997 | ret = mbhc->mbhc_cb->request_irq(codec, mbhc->intr_ids->mbhc_sw_intr, |
| 1998 | wcd_mbhc_mech_plug_detect_irq, |
| 1999 | "mbhc sw intr", mbhc); |
| 2000 | if (ret) { |
| 2001 | pr_err("%s: Failed to request irq %d, ret = %d\n", __func__, |
| 2002 | mbhc->intr_ids->mbhc_sw_intr, ret); |
| 2003 | goto err_mbhc_sw_irq; |
| 2004 | } |
| 2005 | |
| 2006 | ret = mbhc->mbhc_cb->request_irq(codec, |
| 2007 | mbhc->intr_ids->mbhc_btn_press_intr, |
| 2008 | wcd_mbhc_btn_press_handler, |
| 2009 | "Button Press detect", mbhc); |
| 2010 | if (ret) { |
| 2011 | pr_err("%s: Failed to request irq %d\n", __func__, |
| 2012 | mbhc->intr_ids->mbhc_btn_press_intr); |
| 2013 | goto err_btn_press_irq; |
| 2014 | } |
| 2015 | |
| 2016 | ret = mbhc->mbhc_cb->request_irq(codec, |
| 2017 | mbhc->intr_ids->mbhc_btn_release_intr, |
| 2018 | wcd_mbhc_release_handler, |
| 2019 | "Button Release detect", mbhc); |
| 2020 | if (ret) { |
| 2021 | pr_err("%s: Failed to request irq %d\n", __func__, |
| 2022 | mbhc->intr_ids->mbhc_btn_release_intr); |
| 2023 | goto err_btn_release_irq; |
| 2024 | } |
| 2025 | |
| 2026 | ret = mbhc->mbhc_cb->request_irq(codec, |
| 2027 | mbhc->intr_ids->mbhc_hs_ins_intr, |
| 2028 | mbhc->mbhc_fn->wcd_mbhc_hs_ins_irq, |
| 2029 | "Elect Insert", mbhc); |
| 2030 | if (ret) { |
| 2031 | pr_err("%s: Failed to request irq %d\n", __func__, |
| 2032 | mbhc->intr_ids->mbhc_hs_ins_intr); |
| 2033 | goto err_mbhc_hs_ins_irq; |
| 2034 | } |
| 2035 | mbhc->mbhc_cb->irq_control(codec, mbhc->intr_ids->mbhc_hs_ins_intr, |
| 2036 | false); |
| 2037 | clear_bit(WCD_MBHC_ELEC_HS_INS, &mbhc->intr_status); |
| 2038 | |
| 2039 | ret = mbhc->mbhc_cb->request_irq(codec, |
| 2040 | mbhc->intr_ids->mbhc_hs_rem_intr, |
| 2041 | mbhc->mbhc_fn->wcd_mbhc_hs_rem_irq, |
| 2042 | "Elect Remove", mbhc); |
| 2043 | if (ret) { |
| 2044 | pr_err("%s: Failed to request irq %d\n", __func__, |
| 2045 | mbhc->intr_ids->mbhc_hs_rem_intr); |
| 2046 | goto err_mbhc_hs_rem_irq; |
| 2047 | } |
| 2048 | mbhc->mbhc_cb->irq_control(codec, mbhc->intr_ids->mbhc_hs_rem_intr, |
| 2049 | false); |
| 2050 | clear_bit(WCD_MBHC_ELEC_HS_REM, &mbhc->intr_status); |
| 2051 | |
| 2052 | ret = mbhc->mbhc_cb->request_irq(codec, mbhc->intr_ids->hph_left_ocp, |
| 2053 | wcd_mbhc_hphl_ocp_irq, "HPH_L OCP detect", |
| 2054 | mbhc); |
| 2055 | if (ret) { |
| 2056 | pr_err("%s: Failed to request irq %d\n", __func__, |
| 2057 | mbhc->intr_ids->hph_left_ocp); |
| 2058 | goto err_hphl_ocp_irq; |
| 2059 | } |
| 2060 | |
| 2061 | ret = mbhc->mbhc_cb->request_irq(codec, mbhc->intr_ids->hph_right_ocp, |
| 2062 | wcd_mbhc_hphr_ocp_irq, "HPH_R OCP detect", |
| 2063 | mbhc); |
| 2064 | if (ret) { |
| 2065 | pr_err("%s: Failed to request irq %d\n", __func__, |
| 2066 | mbhc->intr_ids->hph_right_ocp); |
| 2067 | goto err_hphr_ocp_irq; |
| 2068 | } |
| 2069 | |
| 2070 | pr_debug("%s: leave ret %d\n", __func__, ret); |
| 2071 | return ret; |
| 2072 | |
| 2073 | err_hphr_ocp_irq: |
| 2074 | mbhc->mbhc_cb->free_irq(codec, mbhc->intr_ids->hph_left_ocp, mbhc); |
| 2075 | err_hphl_ocp_irq: |
| 2076 | mbhc->mbhc_cb->free_irq(codec, mbhc->intr_ids->mbhc_hs_rem_intr, mbhc); |
| 2077 | err_mbhc_hs_rem_irq: |
| 2078 | mbhc->mbhc_cb->free_irq(codec, mbhc->intr_ids->mbhc_hs_ins_intr, mbhc); |
| 2079 | err_mbhc_hs_ins_irq: |
| 2080 | mbhc->mbhc_cb->free_irq(codec, mbhc->intr_ids->mbhc_btn_release_intr, |
| 2081 | mbhc); |
| 2082 | err_btn_release_irq: |
| 2083 | mbhc->mbhc_cb->free_irq(codec, mbhc->intr_ids->mbhc_btn_press_intr, |
| 2084 | mbhc); |
| 2085 | err_btn_press_irq: |
| 2086 | mbhc->mbhc_cb->free_irq(codec, mbhc->intr_ids->mbhc_sw_intr, mbhc); |
| 2087 | err_mbhc_sw_irq: |
| 2088 | if (mbhc->mbhc_cb->register_notifier) |
| 2089 | mbhc->mbhc_cb->register_notifier(mbhc, &mbhc->nblock, false); |
| 2090 | mutex_destroy(&mbhc->codec_resource_lock); |
| 2091 | err: |
| 2092 | pr_debug("%s: leave ret %d\n", __func__, ret); |
| 2093 | return ret; |
| 2094 | } |
| 2095 | EXPORT_SYMBOL(wcd_mbhc_init); |
| 2096 | |
| 2097 | void wcd_mbhc_deinit(struct wcd_mbhc *mbhc) |
| 2098 | { |
| 2099 | struct snd_soc_codec *codec = mbhc->codec; |
| 2100 | |
| 2101 | mbhc->mbhc_cb->free_irq(codec, mbhc->intr_ids->mbhc_sw_intr, mbhc); |
| 2102 | mbhc->mbhc_cb->free_irq(codec, mbhc->intr_ids->mbhc_btn_press_intr, |
| 2103 | mbhc); |
| 2104 | mbhc->mbhc_cb->free_irq(codec, mbhc->intr_ids->mbhc_btn_release_intr, |
| 2105 | mbhc); |
| 2106 | mbhc->mbhc_cb->free_irq(codec, mbhc->intr_ids->mbhc_hs_ins_intr, mbhc); |
| 2107 | mbhc->mbhc_cb->free_irq(codec, mbhc->intr_ids->mbhc_hs_rem_intr, mbhc); |
| 2108 | mbhc->mbhc_cb->free_irq(codec, mbhc->intr_ids->hph_left_ocp, mbhc); |
| 2109 | mbhc->mbhc_cb->free_irq(codec, mbhc->intr_ids->hph_right_ocp, mbhc); |
| 2110 | if (mbhc->mbhc_cb && mbhc->mbhc_cb->register_notifier) |
| 2111 | mbhc->mbhc_cb->register_notifier(mbhc, &mbhc->nblock, false); |
| 2112 | if (mbhc->mbhc_fn->wcd_cancel_hs_detect_plug) { |
| 2113 | WCD_MBHC_RSC_LOCK(mbhc); |
| 2114 | mbhc->mbhc_fn->wcd_cancel_hs_detect_plug(mbhc, |
| 2115 | &mbhc->correct_plug_swch); |
| 2116 | WCD_MBHC_RSC_UNLOCK(mbhc); |
| 2117 | } |
| 2118 | mutex_destroy(&mbhc->codec_resource_lock); |
| 2119 | mutex_destroy(&mbhc->hphl_pa_lock); |
| 2120 | mutex_destroy(&mbhc->hphr_pa_lock); |
| 2121 | } |
| 2122 | EXPORT_SYMBOL(wcd_mbhc_deinit); |
| 2123 | |
Laxminath Kasam | 8b1366a | 2017-10-05 01:44:16 +0530 | [diff] [blame^] | 2124 | static int __init mbhc_init(void) |
| 2125 | { |
| 2126 | return 0; |
| 2127 | } |
| 2128 | |
| 2129 | static void __exit mbhc_exit(void) |
| 2130 | { |
| 2131 | } |
| 2132 | |
| 2133 | module_init(mbhc_init); |
| 2134 | module_exit(mbhc_exit); |
| 2135 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2136 | MODULE_DESCRIPTION("wcd MBHC v2 module"); |
| 2137 | MODULE_LICENSE("GPL v2"); |