Meng Wang | 43bbb87 | 2018-12-10 12:32:05 +0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-only |
Vatsal Bucha | e1728c5 | 2019-01-17 17:24:55 +0530 | [diff] [blame] | 2 | /* Copyright (c) 2015-2019, The Linux Foundation. All rights reserved. |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 3 | */ |
| 4 | #include <linux/module.h> |
| 5 | #include <linux/init.h> |
| 6 | #include <linux/slab.h> |
| 7 | #include <linux/of_gpio.h> |
| 8 | #include <linux/platform_device.h> |
| 9 | #include <linux/device.h> |
| 10 | #include <linux/printk.h> |
| 11 | #include <linux/ratelimit.h> |
| 12 | #include <linux/list.h> |
| 13 | #include <linux/bitops.h> |
| 14 | #include <linux/delay.h> |
| 15 | #include <linux/pm_runtime.h> |
| 16 | #include <linux/kernel.h> |
| 17 | #include <linux/input.h> |
| 18 | #include <linux/firmware.h> |
| 19 | #include <linux/completion.h> |
Phani Kumar Uppalapati | 8fe0247 | 2018-01-17 18:42:52 -0800 | [diff] [blame] | 20 | #include <linux/soc/qcom/fsa4480-i2c.h> |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 21 | #include <sound/soc.h> |
| 22 | #include <sound/jack.h> |
Meng Wang | 11a25cf | 2018-10-31 14:11:26 +0800 | [diff] [blame] | 23 | #include <asoc/msm-cdc-pinctrl.h> |
| 24 | #include <asoc/wcdcal-hwdep.h> |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 25 | #include "wcd-mbhc-legacy.h" |
| 26 | #include "wcd-mbhc-adc.h" |
Meng Wang | 11a25cf | 2018-10-31 14:11:26 +0800 | [diff] [blame] | 27 | #include <asoc/wcd-mbhc-v2-api.h> |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 28 | |
| 29 | void wcd_mbhc_jack_report(struct wcd_mbhc *mbhc, |
| 30 | struct snd_soc_jack *jack, int status, int mask) |
| 31 | { |
| 32 | snd_soc_jack_report(jack, status, mask); |
| 33 | } |
| 34 | EXPORT_SYMBOL(wcd_mbhc_jack_report); |
| 35 | |
| 36 | static void __hphocp_off_report(struct wcd_mbhc *mbhc, u32 jack_status, |
| 37 | int irq) |
| 38 | { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 39 | struct snd_soc_component *component = mbhc->component; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 40 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 41 | dev_dbg(component->dev, "%s: clear ocp status %x\n", |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 42 | __func__, jack_status); |
| 43 | |
| 44 | if (mbhc->hph_status & jack_status) { |
| 45 | mbhc->hph_status &= ~jack_status; |
| 46 | wcd_mbhc_jack_report(mbhc, &mbhc->headset_jack, |
| 47 | mbhc->hph_status, WCD_MBHC_JACK_MASK); |
| 48 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_OCP_FSM_EN, 0); |
| 49 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_OCP_FSM_EN, 1); |
| 50 | /* |
| 51 | * reset retry counter as PA is turned off signifying |
| 52 | * start of new OCP detection session |
| 53 | */ |
| 54 | if (mbhc->intr_ids->hph_left_ocp) |
| 55 | mbhc->hphlocp_cnt = 0; |
| 56 | else |
| 57 | mbhc->hphrocp_cnt = 0; |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 58 | mbhc->mbhc_cb->irq_control(component, irq, true); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 59 | } |
| 60 | } |
| 61 | |
| 62 | static void hphrocp_off_report(struct wcd_mbhc *mbhc, u32 jack_status) |
| 63 | { |
| 64 | __hphocp_off_report(mbhc, SND_JACK_OC_HPHR, |
| 65 | mbhc->intr_ids->hph_right_ocp); |
| 66 | } |
| 67 | |
| 68 | static void hphlocp_off_report(struct wcd_mbhc *mbhc, u32 jack_status) |
| 69 | { |
| 70 | __hphocp_off_report(mbhc, SND_JACK_OC_HPHL, |
| 71 | mbhc->intr_ids->hph_left_ocp); |
| 72 | } |
| 73 | |
| 74 | static void wcd_program_hs_vref(struct wcd_mbhc *mbhc) |
| 75 | { |
| 76 | struct wcd_mbhc_plug_type_cfg *plug_type_cfg; |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 77 | struct snd_soc_component *component = mbhc->component; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 78 | u32 reg_val; |
| 79 | |
| 80 | plug_type_cfg = WCD_MBHC_CAL_PLUG_TYPE_PTR(mbhc->mbhc_cfg->calibration); |
| 81 | reg_val = ((plug_type_cfg->v_hs_max - HS_VREF_MIN_VAL) / 100); |
| 82 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 83 | dev_dbg(component->dev, "%s: reg_val = %x\n", __func__, reg_val); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 84 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_HS_VREF, reg_val); |
| 85 | } |
| 86 | |
| 87 | static void wcd_program_btn_threshold(const struct wcd_mbhc *mbhc, bool micbias) |
| 88 | { |
| 89 | struct wcd_mbhc_btn_detect_cfg *btn_det; |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 90 | struct snd_soc_component *component = mbhc->component; |
| 91 | struct snd_soc_card *card = component->card; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 92 | s16 *btn_low, *btn_high; |
| 93 | |
| 94 | if (mbhc->mbhc_cfg->calibration == NULL) { |
| 95 | dev_err(card->dev, "%s: calibration data is NULL\n", __func__); |
| 96 | return; |
| 97 | } |
| 98 | |
| 99 | btn_det = WCD_MBHC_CAL_BTN_DET_PTR(mbhc->mbhc_cfg->calibration); |
| 100 | btn_low = btn_det->_v_btn_low; |
| 101 | btn_high = ((void *)&btn_det->_v_btn_low) + |
| 102 | (sizeof(btn_det->_v_btn_low[0]) * btn_det->num_btn); |
| 103 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 104 | mbhc->mbhc_cb->set_btn_thr(component, btn_low, btn_high, |
| 105 | btn_det->num_btn, micbias); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 106 | } |
| 107 | |
| 108 | void wcd_enable_curr_micbias(const struct wcd_mbhc *mbhc, |
| 109 | const enum wcd_mbhc_cs_mb_en_flag cs_mb_en) |
| 110 | { |
| 111 | |
| 112 | /* |
| 113 | * Some codecs handle micbias/pullup enablement in codec |
| 114 | * drivers itself and micbias is not needed for regular |
| 115 | * plug type detection. So if micbias_control callback function |
| 116 | * is defined, just return. |
| 117 | */ |
| 118 | if (mbhc->mbhc_cb->mbhc_micbias_control) |
| 119 | return; |
| 120 | |
| 121 | pr_debug("%s: enter, cs_mb_en: %d\n", __func__, cs_mb_en); |
| 122 | |
| 123 | switch (cs_mb_en) { |
| 124 | case WCD_MBHC_EN_CS: |
| 125 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_MICB_CTRL, 0); |
| 126 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_BTN_ISRC_CTL, 3); |
| 127 | /* Program Button threshold registers as per CS */ |
| 128 | wcd_program_btn_threshold(mbhc, false); |
| 129 | break; |
| 130 | case WCD_MBHC_EN_MB: |
| 131 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_BTN_ISRC_CTL, 0); |
| 132 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_FSM_EN, 1); |
| 133 | |
| 134 | /* Disable PULL_UP_EN & enable MICBIAS */ |
| 135 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_MICB_CTRL, 2); |
| 136 | /* Program Button threshold registers as per MICBIAS */ |
| 137 | wcd_program_btn_threshold(mbhc, true); |
| 138 | break; |
| 139 | case WCD_MBHC_EN_PULLUP: |
| 140 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_BTN_ISRC_CTL, 3); |
| 141 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_FSM_EN, 1); |
| 142 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_MICB_CTRL, 1); |
| 143 | /* Program Button threshold registers as per MICBIAS */ |
| 144 | wcd_program_btn_threshold(mbhc, true); |
| 145 | break; |
| 146 | case WCD_MBHC_EN_NONE: |
| 147 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_BTN_ISRC_CTL, 0); |
| 148 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_FSM_EN, 1); |
| 149 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_MICB_CTRL, 0); |
| 150 | break; |
| 151 | default: |
| 152 | pr_debug("%s: Invalid parameter", __func__); |
| 153 | break; |
| 154 | } |
| 155 | |
| 156 | pr_debug("%s: exit\n", __func__); |
| 157 | } |
| 158 | EXPORT_SYMBOL(wcd_enable_curr_micbias); |
| 159 | |
| 160 | static const char *wcd_mbhc_get_event_string(int event) |
| 161 | { |
| 162 | switch (event) { |
| 163 | case WCD_EVENT_PRE_MICBIAS_2_OFF: |
| 164 | return WCD_MBHC_STRINGIFY(WCD_EVENT_PRE_MICBIAS_2_OFF); |
| 165 | case WCD_EVENT_POST_MICBIAS_2_OFF: |
| 166 | return WCD_MBHC_STRINGIFY(WCD_EVENT_POST_MICBIAS_2_OFF); |
| 167 | case WCD_EVENT_PRE_MICBIAS_2_ON: |
| 168 | return WCD_MBHC_STRINGIFY(WCD_EVENT_PRE_MICBIAS_2_ON); |
| 169 | case WCD_EVENT_POST_MICBIAS_2_ON: |
| 170 | return WCD_MBHC_STRINGIFY(WCD_EVENT_POST_MICBIAS_2_ON); |
| 171 | case WCD_EVENT_PRE_HPHL_PA_ON: |
| 172 | return WCD_MBHC_STRINGIFY(WCD_EVENT_PRE_HPHL_PA_ON); |
| 173 | case WCD_EVENT_POST_HPHL_PA_OFF: |
| 174 | return WCD_MBHC_STRINGIFY(WCD_EVENT_POST_HPHL_PA_OFF); |
| 175 | case WCD_EVENT_PRE_HPHR_PA_ON: |
| 176 | return WCD_MBHC_STRINGIFY(WCD_EVENT_PRE_HPHR_PA_ON); |
| 177 | case WCD_EVENT_POST_HPHR_PA_OFF: |
| 178 | return WCD_MBHC_STRINGIFY(WCD_EVENT_POST_HPHR_PA_OFF); |
| 179 | case WCD_EVENT_PRE_HPHR_PA_OFF: |
| 180 | return WCD_MBHC_STRINGIFY(WCD_EVENT_PRE_HPHR_PA_OFF); |
| 181 | case WCD_EVENT_PRE_HPHL_PA_OFF: |
| 182 | return WCD_MBHC_STRINGIFY(WCD_EVENT_PRE_HPHL_PA_OFF); |
| 183 | case WCD_EVENT_POST_DAPM_MICBIAS_2_ON: |
| 184 | return WCD_MBHC_STRINGIFY(WCD_EVENT_POST_DAPM_MICBIAS_2_ON); |
| 185 | case WCD_EVENT_PRE_DAPM_MICBIAS_2_ON: |
| 186 | return WCD_MBHC_STRINGIFY(WCD_EVENT_PRE_DAPM_MICBIAS_2_ON); |
| 187 | case WCD_EVENT_POST_DAPM_MICBIAS_2_OFF: |
| 188 | return WCD_MBHC_STRINGIFY(WCD_EVENT_POST_DAPM_MICBIAS_2_OFF); |
| 189 | case WCD_EVENT_PRE_DAPM_MICBIAS_2_OFF: |
| 190 | return WCD_MBHC_STRINGIFY(WCD_EVENT_PRE_DAPM_MICBIAS_2_OFF); |
| 191 | case WCD_EVENT_OCP_OFF: |
| 192 | return WCD_MBHC_STRINGIFY(WCD_EVENT_OCP_OFF); |
| 193 | case WCD_EVENT_OCP_ON: |
| 194 | return WCD_MBHC_STRINGIFY(WCD_EVENT_OCP_ON); |
| 195 | case WCD_EVENT_INVALID: |
| 196 | default: |
| 197 | return WCD_MBHC_STRINGIFY(WCD_EVENT_INVALID); |
| 198 | } |
| 199 | } |
| 200 | |
| 201 | static int wcd_event_notify(struct notifier_block *self, unsigned long val, |
| 202 | void *data) |
| 203 | { |
| 204 | struct wcd_mbhc *mbhc = (struct wcd_mbhc *)data; |
| 205 | enum wcd_notify_event event = (enum wcd_notify_event)val; |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 206 | struct snd_soc_component *component = mbhc->component; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 207 | bool micbias2 = false; |
| 208 | bool micbias1 = false; |
| 209 | u8 fsm_en = 0; |
| 210 | |
| 211 | pr_debug("%s: event %s (%d)\n", __func__, |
| 212 | wcd_mbhc_get_event_string(event), event); |
| 213 | if (mbhc->mbhc_cb->micbias_enable_status) { |
| 214 | micbias2 = mbhc->mbhc_cb->micbias_enable_status(mbhc, |
| 215 | MIC_BIAS_2); |
| 216 | micbias1 = mbhc->mbhc_cb->micbias_enable_status(mbhc, |
| 217 | MIC_BIAS_1); |
| 218 | } |
| 219 | switch (event) { |
| 220 | /* MICBIAS usage change */ |
| 221 | case WCD_EVENT_POST_DAPM_MICBIAS_2_ON: |
| 222 | mbhc->is_hs_recording = true; |
| 223 | pr_debug("%s: is_capture: %d\n", __func__, |
| 224 | mbhc->is_hs_recording); |
| 225 | break; |
| 226 | case WCD_EVENT_POST_MICBIAS_2_ON: |
| 227 | if (!mbhc->micbias_enable) |
| 228 | goto out_micb_en; |
| 229 | if (mbhc->mbhc_cb->mbhc_common_micb_ctrl) { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 230 | mbhc->mbhc_cb->mbhc_common_micb_ctrl(component, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 231 | MBHC_COMMON_MICB_PRECHARGE, |
| 232 | true); |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 233 | mbhc->mbhc_cb->mbhc_common_micb_ctrl(component, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 234 | MBHC_COMMON_MICB_SET_VAL, |
| 235 | true); |
| 236 | /* |
| 237 | * Special headset needs MICBIAS as 2.7V so wait for |
| 238 | * 50 msec for the MICBIAS to reach 2.7 volts. |
| 239 | */ |
| 240 | msleep(50); |
| 241 | } |
| 242 | if (mbhc->mbhc_cb->set_auto_zeroing) |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 243 | mbhc->mbhc_cb->set_auto_zeroing(component, true); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 244 | if (mbhc->mbhc_cb->mbhc_common_micb_ctrl) |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 245 | mbhc->mbhc_cb->mbhc_common_micb_ctrl(component, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 246 | MBHC_COMMON_MICB_PRECHARGE, |
| 247 | false); |
| 248 | out_micb_en: |
| 249 | /* Disable current source if micbias enabled */ |
| 250 | if (mbhc->mbhc_cb->mbhc_micbias_control) { |
| 251 | WCD_MBHC_REG_READ(WCD_MBHC_FSM_EN, fsm_en); |
| 252 | if (fsm_en) |
| 253 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_BTN_ISRC_CTL, |
| 254 | 0); |
| 255 | } else { |
| 256 | mbhc->is_hs_recording = true; |
| 257 | wcd_enable_curr_micbias(mbhc, WCD_MBHC_EN_MB); |
| 258 | } |
| 259 | /* configure cap settings properly when micbias is enabled */ |
| 260 | if (mbhc->mbhc_cb->set_cap_mode) |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 261 | mbhc->mbhc_cb->set_cap_mode(component, micbias1, true); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 262 | break; |
| 263 | case WCD_EVENT_PRE_MICBIAS_2_OFF: |
| 264 | /* |
| 265 | * Before MICBIAS_2 is turned off, if FSM is enabled, |
| 266 | * make sure current source is enabled so as to detect |
| 267 | * button press/release events |
| 268 | */ |
| 269 | if (mbhc->mbhc_cb->mbhc_micbias_control && |
| 270 | !mbhc->micbias_enable) { |
| 271 | WCD_MBHC_REG_READ(WCD_MBHC_FSM_EN, fsm_en); |
| 272 | if (fsm_en) |
| 273 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_BTN_ISRC_CTL, |
| 274 | 3); |
| 275 | } |
| 276 | break; |
| 277 | /* MICBIAS usage change */ |
| 278 | case WCD_EVENT_POST_DAPM_MICBIAS_2_OFF: |
| 279 | mbhc->is_hs_recording = false; |
| 280 | pr_debug("%s: is_capture: %d\n", __func__, |
| 281 | mbhc->is_hs_recording); |
| 282 | break; |
| 283 | case WCD_EVENT_POST_MICBIAS_2_OFF: |
| 284 | if (!mbhc->mbhc_cb->mbhc_micbias_control) |
| 285 | mbhc->is_hs_recording = false; |
| 286 | if (mbhc->micbias_enable) { |
| 287 | wcd_enable_curr_micbias(mbhc, WCD_MBHC_EN_MB); |
| 288 | break; |
| 289 | } |
| 290 | |
| 291 | if (mbhc->mbhc_cb->set_auto_zeroing) |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 292 | mbhc->mbhc_cb->set_auto_zeroing(component, false); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 293 | if (mbhc->mbhc_cb->set_micbias_value && !mbhc->micbias_enable) |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 294 | mbhc->mbhc_cb->set_micbias_value(component); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 295 | /* Enable PULL UP if PA's are enabled */ |
| 296 | if ((test_bit(WCD_MBHC_EVENT_PA_HPHL, &mbhc->event_state)) || |
| 297 | (test_bit(WCD_MBHC_EVENT_PA_HPHR, |
| 298 | &mbhc->event_state))) |
| 299 | /* enable pullup and cs, disable mb */ |
| 300 | wcd_enable_curr_micbias(mbhc, WCD_MBHC_EN_PULLUP); |
| 301 | else |
| 302 | /* enable current source and disable mb, pullup*/ |
| 303 | wcd_enable_curr_micbias(mbhc, WCD_MBHC_EN_CS); |
| 304 | |
| 305 | /* configure cap settings properly when micbias is disabled */ |
| 306 | if (mbhc->mbhc_cb->set_cap_mode) |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 307 | mbhc->mbhc_cb->set_cap_mode(component, micbias1, false); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 308 | break; |
| 309 | case WCD_EVENT_PRE_HPHL_PA_OFF: |
| 310 | mutex_lock(&mbhc->hphl_pa_lock); |
| 311 | break; |
| 312 | case WCD_EVENT_POST_HPHL_PA_OFF: |
| 313 | clear_bit(WCD_MBHC_HPHL_PA_OFF_ACK, &mbhc->hph_pa_dac_state); |
| 314 | if (mbhc->hph_status & SND_JACK_OC_HPHL) |
| 315 | hphlocp_off_report(mbhc, SND_JACK_OC_HPHL); |
| 316 | clear_bit(WCD_MBHC_EVENT_PA_HPHL, &mbhc->event_state); |
| 317 | /* check if micbias is enabled */ |
| 318 | if (micbias2) |
| 319 | /* Disable cs, pullup & enable micbias */ |
| 320 | wcd_enable_curr_micbias(mbhc, WCD_MBHC_EN_MB); |
| 321 | else |
| 322 | /* Disable micbias, pullup & enable cs */ |
| 323 | wcd_enable_curr_micbias(mbhc, WCD_MBHC_EN_CS); |
| 324 | mutex_unlock(&mbhc->hphl_pa_lock); |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 325 | clear_bit(WCD_MBHC_ANC0_OFF_ACK, &mbhc->hph_anc_state); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 326 | break; |
| 327 | case WCD_EVENT_PRE_HPHR_PA_OFF: |
| 328 | mutex_lock(&mbhc->hphr_pa_lock); |
| 329 | break; |
| 330 | case WCD_EVENT_POST_HPHR_PA_OFF: |
| 331 | clear_bit(WCD_MBHC_HPHR_PA_OFF_ACK, &mbhc->hph_pa_dac_state); |
| 332 | if (mbhc->hph_status & SND_JACK_OC_HPHR) |
| 333 | hphrocp_off_report(mbhc, SND_JACK_OC_HPHR); |
| 334 | clear_bit(WCD_MBHC_EVENT_PA_HPHR, &mbhc->event_state); |
| 335 | /* check if micbias is enabled */ |
| 336 | if (micbias2) |
| 337 | /* Disable cs, pullup & enable micbias */ |
| 338 | wcd_enable_curr_micbias(mbhc, WCD_MBHC_EN_MB); |
| 339 | else |
| 340 | /* Disable micbias, pullup & enable cs */ |
| 341 | wcd_enable_curr_micbias(mbhc, WCD_MBHC_EN_CS); |
| 342 | mutex_unlock(&mbhc->hphr_pa_lock); |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 343 | clear_bit(WCD_MBHC_ANC1_OFF_ACK, &mbhc->hph_anc_state); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 344 | break; |
| 345 | case WCD_EVENT_PRE_HPHL_PA_ON: |
| 346 | set_bit(WCD_MBHC_EVENT_PA_HPHL, &mbhc->event_state); |
| 347 | /* check if micbias is enabled */ |
| 348 | if (micbias2) |
| 349 | /* Disable cs, pullup & enable micbias */ |
| 350 | wcd_enable_curr_micbias(mbhc, WCD_MBHC_EN_MB); |
| 351 | else |
| 352 | /* Disable micbias, enable pullup & cs */ |
| 353 | wcd_enable_curr_micbias(mbhc, WCD_MBHC_EN_PULLUP); |
| 354 | break; |
| 355 | case WCD_EVENT_PRE_HPHR_PA_ON: |
| 356 | set_bit(WCD_MBHC_EVENT_PA_HPHR, &mbhc->event_state); |
| 357 | /* check if micbias is enabled */ |
| 358 | if (micbias2) |
| 359 | /* Disable cs, pullup & enable micbias */ |
| 360 | wcd_enable_curr_micbias(mbhc, WCD_MBHC_EN_MB); |
| 361 | else |
| 362 | /* Disable micbias, enable pullup & cs */ |
| 363 | wcd_enable_curr_micbias(mbhc, WCD_MBHC_EN_PULLUP); |
| 364 | break; |
| 365 | case WCD_EVENT_OCP_OFF: |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 366 | mbhc->mbhc_cb->irq_control(mbhc->component, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 367 | mbhc->intr_ids->hph_left_ocp, |
| 368 | false); |
| 369 | break; |
| 370 | case WCD_EVENT_OCP_ON: |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 371 | mbhc->mbhc_cb->irq_control(mbhc->component, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 372 | mbhc->intr_ids->hph_left_ocp, |
| 373 | true); |
| 374 | break; |
| 375 | default: |
| 376 | break; |
| 377 | } |
| 378 | return 0; |
| 379 | } |
| 380 | |
| 381 | int wcd_cancel_btn_work(struct wcd_mbhc *mbhc) |
| 382 | { |
| 383 | int r; |
| 384 | |
| 385 | r = cancel_delayed_work_sync(&mbhc->mbhc_btn_dwork); |
| 386 | /* |
| 387 | * if scheduled mbhc.mbhc_btn_dwork is canceled from here, |
| 388 | * we have to unlock from here instead btn_work |
| 389 | */ |
| 390 | if (r) |
| 391 | mbhc->mbhc_cb->lock_sleep(mbhc, false); |
| 392 | return r; |
| 393 | } |
| 394 | EXPORT_SYMBOL(wcd_cancel_btn_work); |
| 395 | |
| 396 | bool wcd_swch_level_remove(struct wcd_mbhc *mbhc) |
| 397 | { |
| 398 | u16 result2 = 0; |
| 399 | |
| 400 | WCD_MBHC_REG_READ(WCD_MBHC_SWCH_LEVEL_REMOVE, result2); |
| 401 | return (result2) ? true : false; |
| 402 | } |
| 403 | EXPORT_SYMBOL(wcd_swch_level_remove); |
| 404 | |
| 405 | static void wcd_mbhc_clr_and_turnon_hph_padac(struct wcd_mbhc *mbhc) |
| 406 | { |
| 407 | bool pa_turned_on = false; |
| 408 | u8 wg_time = 0; |
| 409 | |
| 410 | WCD_MBHC_REG_READ(WCD_MBHC_HPH_CNP_WG_TIME, wg_time); |
| 411 | wg_time += 1; |
| 412 | |
| 413 | mutex_lock(&mbhc->hphr_pa_lock); |
| 414 | if (test_and_clear_bit(WCD_MBHC_HPHR_PA_OFF_ACK, |
| 415 | &mbhc->hph_pa_dac_state)) { |
| 416 | pr_debug("%s: HPHR clear flag and enable PA\n", __func__); |
| 417 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_HPHR_PA_EN, 1); |
| 418 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_HPHR_OCP_DET_EN, 1); |
| 419 | pa_turned_on = true; |
| 420 | } |
| 421 | mutex_unlock(&mbhc->hphr_pa_lock); |
| 422 | mutex_lock(&mbhc->hphl_pa_lock); |
| 423 | if (test_and_clear_bit(WCD_MBHC_HPHL_PA_OFF_ACK, |
| 424 | &mbhc->hph_pa_dac_state)) { |
| 425 | pr_debug("%s: HPHL clear flag and enable PA\n", __func__); |
| 426 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_HPHL_PA_EN, 1); |
| 427 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_HPHL_OCP_DET_EN, 1); |
| 428 | pa_turned_on = true; |
| 429 | } |
| 430 | mutex_unlock(&mbhc->hphl_pa_lock); |
| 431 | |
| 432 | if (pa_turned_on) { |
| 433 | pr_debug("%s: PA was turned on by MBHC and not by DAPM\n", |
| 434 | __func__); |
| 435 | usleep_range(wg_time * 1000, wg_time * 1000 + 50); |
| 436 | } |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 437 | |
| 438 | if (test_and_clear_bit(WCD_MBHC_ANC0_OFF_ACK, |
| 439 | &mbhc->hph_anc_state)) { |
| 440 | usleep_range(20000, 20100); |
| 441 | pr_debug("%s: HPHL ANC clear flag and enable ANC_EN\n", |
| 442 | __func__); |
| 443 | if (mbhc->mbhc_cb->update_anc_state) |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 444 | mbhc->mbhc_cb->update_anc_state(mbhc->component, |
| 445 | true, 0); |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 446 | } |
| 447 | |
| 448 | if (test_and_clear_bit(WCD_MBHC_ANC1_OFF_ACK, |
| 449 | &mbhc->hph_anc_state)) { |
| 450 | usleep_range(20000, 20100); |
| 451 | pr_debug("%s: HPHR ANC clear flag and enable ANC_EN\n", |
| 452 | __func__); |
| 453 | if (mbhc->mbhc_cb->update_anc_state) |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 454 | mbhc->mbhc_cb->update_anc_state(mbhc->component, |
| 455 | true, 1); |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 456 | } |
| 457 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 458 | } |
| 459 | |
| 460 | static bool wcd_mbhc_is_hph_pa_on(struct wcd_mbhc *mbhc) |
| 461 | { |
| 462 | bool hph_pa_on = false; |
| 463 | |
| 464 | WCD_MBHC_REG_READ(WCD_MBHC_HPH_PA_EN, hph_pa_on); |
| 465 | |
| 466 | return (hph_pa_on) ? true : false; |
| 467 | } |
| 468 | |
| 469 | static void wcd_mbhc_set_and_turnoff_hph_padac(struct wcd_mbhc *mbhc) |
| 470 | { |
| 471 | u8 wg_time = 0; |
| 472 | |
| 473 | WCD_MBHC_REG_READ(WCD_MBHC_HPH_CNP_WG_TIME, wg_time); |
| 474 | wg_time += 1; |
| 475 | |
| 476 | /* If headphone PA is on, check if userspace receives |
| 477 | * removal event to sync-up PA's state |
| 478 | */ |
| 479 | if (wcd_mbhc_is_hph_pa_on(mbhc)) { |
| 480 | pr_debug("%s PA is on, setting PA_OFF_ACK\n", __func__); |
| 481 | set_bit(WCD_MBHC_HPHL_PA_OFF_ACK, &mbhc->hph_pa_dac_state); |
| 482 | set_bit(WCD_MBHC_HPHR_PA_OFF_ACK, &mbhc->hph_pa_dac_state); |
| 483 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_HPHL_OCP_DET_EN, 0); |
| 484 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_HPHR_OCP_DET_EN, 0); |
| 485 | } else { |
| 486 | pr_debug("%s PA is off\n", __func__); |
| 487 | } |
| 488 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_HPH_PA_EN, 0); |
| 489 | usleep_range(wg_time * 1000, wg_time * 1000 + 50); |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 490 | |
| 491 | |
| 492 | if (mbhc->mbhc_cb->is_anc_on && mbhc->mbhc_cb->is_anc_on(mbhc)) { |
| 493 | usleep_range(20000, 20100); |
| 494 | pr_debug("%s ANC is on, setting ANC_OFF_ACK\n", __func__); |
| 495 | set_bit(WCD_MBHC_ANC0_OFF_ACK, &mbhc->hph_anc_state); |
| 496 | set_bit(WCD_MBHC_ANC1_OFF_ACK, &mbhc->hph_anc_state); |
| 497 | if (mbhc->mbhc_cb->update_anc_state) { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 498 | mbhc->mbhc_cb->update_anc_state(mbhc->component, |
| 499 | false, 0); |
| 500 | mbhc->mbhc_cb->update_anc_state(mbhc->component, |
| 501 | false, 1); |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 502 | } else { |
| 503 | pr_debug("%s ANC is off\n", __func__); |
| 504 | } |
| 505 | } |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 506 | } |
| 507 | |
| 508 | int wcd_mbhc_get_impedance(struct wcd_mbhc *mbhc, uint32_t *zl, |
| 509 | uint32_t *zr) |
| 510 | { |
| 511 | *zl = mbhc->zl; |
| 512 | *zr = mbhc->zr; |
| 513 | |
| 514 | if (*zl && *zr) |
| 515 | return 0; |
| 516 | else |
| 517 | return -EINVAL; |
| 518 | } |
| 519 | EXPORT_SYMBOL(wcd_mbhc_get_impedance); |
| 520 | |
| 521 | void wcd_mbhc_hs_elec_irq(struct wcd_mbhc *mbhc, int irq_type, |
| 522 | bool enable) |
| 523 | { |
| 524 | int irq; |
| 525 | |
| 526 | WCD_MBHC_RSC_ASSERT_LOCKED(mbhc); |
| 527 | |
| 528 | if (irq_type == WCD_MBHC_ELEC_HS_INS) |
| 529 | irq = mbhc->intr_ids->mbhc_hs_ins_intr; |
| 530 | else if (irq_type == WCD_MBHC_ELEC_HS_REM) |
| 531 | irq = mbhc->intr_ids->mbhc_hs_rem_intr; |
| 532 | else { |
| 533 | pr_debug("%s: irq_type: %d, enable: %d\n", |
| 534 | __func__, irq_type, enable); |
| 535 | return; |
| 536 | } |
| 537 | |
| 538 | pr_debug("%s: irq: %d, enable: %d, intr_status:%lu\n", |
| 539 | __func__, irq, enable, mbhc->intr_status); |
| 540 | if ((test_bit(irq_type, &mbhc->intr_status)) != enable) { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 541 | mbhc->mbhc_cb->irq_control(mbhc->component, irq, enable); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 542 | if (enable) |
| 543 | set_bit(irq_type, &mbhc->intr_status); |
| 544 | else |
| 545 | clear_bit(irq_type, &mbhc->intr_status); |
| 546 | } |
| 547 | } |
| 548 | EXPORT_SYMBOL(wcd_mbhc_hs_elec_irq); |
| 549 | |
Meng Wang | 6f90162 | 2017-09-19 10:21:57 +0800 | [diff] [blame] | 550 | void wcd_mbhc_report_plug(struct wcd_mbhc *mbhc, int insertion, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 551 | enum snd_jack_types jack_type) |
| 552 | { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 553 | struct snd_soc_component *component = mbhc->component; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 554 | bool is_pa_on = false; |
| 555 | u8 fsm_en = 0; |
| 556 | |
| 557 | WCD_MBHC_RSC_ASSERT_LOCKED(mbhc); |
| 558 | |
| 559 | pr_debug("%s: enter insertion %d hph_status %x\n", |
| 560 | __func__, insertion, mbhc->hph_status); |
| 561 | if (!insertion) { |
| 562 | /* Report removal */ |
| 563 | mbhc->hph_status &= ~jack_type; |
| 564 | /* |
| 565 | * cancel possibly scheduled btn work and |
| 566 | * report release if we reported button press |
| 567 | */ |
| 568 | if (wcd_cancel_btn_work(mbhc)) { |
| 569 | pr_debug("%s: button press is canceled\n", __func__); |
| 570 | } else if (mbhc->buttons_pressed) { |
| 571 | pr_debug("%s: release of button press%d\n", |
| 572 | __func__, jack_type); |
| 573 | wcd_mbhc_jack_report(mbhc, &mbhc->button_jack, 0, |
| 574 | mbhc->buttons_pressed); |
| 575 | mbhc->buttons_pressed &= |
| 576 | ~WCD_MBHC_JACK_BUTTON_MASK; |
| 577 | } |
| 578 | |
| 579 | if (mbhc->micbias_enable) { |
| 580 | if (mbhc->mbhc_cb->mbhc_micbias_control) |
| 581 | mbhc->mbhc_cb->mbhc_micbias_control( |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 582 | component, MIC_BIAS_2, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 583 | MICB_DISABLE); |
| 584 | if (mbhc->mbhc_cb->mbhc_micb_ctrl_thr_mic) |
| 585 | mbhc->mbhc_cb->mbhc_micb_ctrl_thr_mic( |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 586 | component, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 587 | MIC_BIAS_2, false); |
| 588 | if (mbhc->mbhc_cb->set_micbias_value) { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 589 | mbhc->mbhc_cb->set_micbias_value(component); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 590 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_MICB_CTRL, 0); |
| 591 | } |
| 592 | mbhc->micbias_enable = false; |
| 593 | } |
| 594 | |
| 595 | mbhc->hph_type = WCD_MBHC_HPH_NONE; |
| 596 | mbhc->zl = mbhc->zr = 0; |
| 597 | pr_debug("%s: Reporting removal %d(%x)\n", __func__, |
| 598 | jack_type, mbhc->hph_status); |
| 599 | wcd_mbhc_jack_report(mbhc, &mbhc->headset_jack, |
| 600 | mbhc->hph_status, WCD_MBHC_JACK_MASK); |
| 601 | wcd_mbhc_set_and_turnoff_hph_padac(mbhc); |
| 602 | hphrocp_off_report(mbhc, SND_JACK_OC_HPHR); |
| 603 | hphlocp_off_report(mbhc, SND_JACK_OC_HPHL); |
| 604 | mbhc->current_plug = MBHC_PLUG_TYPE_NONE; |
Vatsal Bucha | d6d62b8 | 2017-12-12 14:22:31 +0530 | [diff] [blame] | 605 | mbhc->force_linein = false; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 606 | } else { |
| 607 | /* |
| 608 | * Report removal of current jack type. |
| 609 | * Headphone to headset shouldn't report headphone |
| 610 | * removal. |
| 611 | */ |
| 612 | if (mbhc->mbhc_cfg->detect_extn_cable && |
| 613 | (mbhc->current_plug == MBHC_PLUG_TYPE_HIGH_HPH || |
| 614 | jack_type == SND_JACK_LINEOUT) && |
| 615 | (mbhc->hph_status && mbhc->hph_status != jack_type)) { |
| 616 | |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 617 | if (mbhc->micbias_enable && |
| 618 | mbhc->hph_status == SND_JACK_HEADSET) { |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 619 | if (mbhc->mbhc_cb->mbhc_micbias_control) |
| 620 | mbhc->mbhc_cb->mbhc_micbias_control( |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 621 | component, MIC_BIAS_2, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 622 | MICB_DISABLE); |
| 623 | if (mbhc->mbhc_cb->mbhc_micb_ctrl_thr_mic) |
| 624 | mbhc->mbhc_cb->mbhc_micb_ctrl_thr_mic( |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 625 | component, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 626 | MIC_BIAS_2, false); |
| 627 | if (mbhc->mbhc_cb->set_micbias_value) { |
| 628 | mbhc->mbhc_cb->set_micbias_value( |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 629 | component); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 630 | WCD_MBHC_REG_UPDATE_BITS( |
| 631 | WCD_MBHC_MICB_CTRL, 0); |
| 632 | } |
| 633 | mbhc->micbias_enable = false; |
| 634 | } |
| 635 | mbhc->hph_type = WCD_MBHC_HPH_NONE; |
| 636 | mbhc->zl = mbhc->zr = 0; |
| 637 | pr_debug("%s: Reporting removal (%x)\n", |
| 638 | __func__, mbhc->hph_status); |
| 639 | wcd_mbhc_jack_report(mbhc, &mbhc->headset_jack, |
| 640 | 0, WCD_MBHC_JACK_MASK); |
| 641 | |
| 642 | if (mbhc->hph_status == SND_JACK_LINEOUT) { |
| 643 | |
| 644 | pr_debug("%s: Enable micbias\n", __func__); |
| 645 | /* Disable current source and enable micbias */ |
| 646 | wcd_enable_curr_micbias(mbhc, WCD_MBHC_EN_MB); |
| 647 | pr_debug("%s: set up elec removal detection\n", |
| 648 | __func__); |
| 649 | usleep_range(200, 210); |
| 650 | wcd_mbhc_hs_elec_irq(mbhc, |
| 651 | WCD_MBHC_ELEC_HS_REM, |
| 652 | true); |
| 653 | } |
| 654 | mbhc->hph_status &= ~(SND_JACK_HEADSET | |
| 655 | SND_JACK_LINEOUT | |
| 656 | SND_JACK_ANC_HEADPHONE | |
| 657 | SND_JACK_UNSUPPORTED); |
| 658 | } |
| 659 | |
| 660 | if (mbhc->current_plug == MBHC_PLUG_TYPE_HEADSET && |
| 661 | jack_type == SND_JACK_HEADPHONE) |
| 662 | mbhc->hph_status &= ~SND_JACK_HEADSET; |
| 663 | |
| 664 | /* Report insertion */ |
| 665 | if (jack_type == SND_JACK_HEADPHONE) |
| 666 | mbhc->current_plug = MBHC_PLUG_TYPE_HEADPHONE; |
| 667 | else if (jack_type == SND_JACK_UNSUPPORTED) |
| 668 | mbhc->current_plug = MBHC_PLUG_TYPE_GND_MIC_SWAP; |
| 669 | else if (jack_type == SND_JACK_HEADSET) { |
| 670 | mbhc->current_plug = MBHC_PLUG_TYPE_HEADSET; |
| 671 | mbhc->jiffies_atreport = jiffies; |
| 672 | } else if (jack_type == SND_JACK_LINEOUT) { |
| 673 | mbhc->current_plug = MBHC_PLUG_TYPE_HIGH_HPH; |
| 674 | } else if (jack_type == SND_JACK_ANC_HEADPHONE) |
| 675 | mbhc->current_plug = MBHC_PLUG_TYPE_ANC_HEADPHONE; |
| 676 | |
| 677 | if (mbhc->mbhc_cb->hph_pa_on_status) |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 678 | is_pa_on = mbhc->mbhc_cb->hph_pa_on_status(component); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 679 | |
| 680 | if (mbhc->impedance_detect && |
| 681 | mbhc->mbhc_cb->compute_impedance && |
| 682 | (mbhc->mbhc_cfg->linein_th != 0) && |
| 683 | (!is_pa_on)) { |
| 684 | /* Set MUX_CTL to AUTO for Z-det */ |
| 685 | WCD_MBHC_REG_READ(WCD_MBHC_FSM_EN, fsm_en); |
| 686 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_FSM_EN, 0); |
| 687 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_MUX_CTL, |
| 688 | MUX_CTL_AUTO); |
| 689 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_FSM_EN, 1); |
| 690 | mbhc->mbhc_cb->compute_impedance(mbhc, |
| 691 | &mbhc->zl, &mbhc->zr); |
| 692 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_FSM_EN, |
| 693 | fsm_en); |
Vatsal Bucha | cd33969 | 2019-09-11 12:17:11 +0530 | [diff] [blame] | 694 | if ((mbhc->zl > mbhc->mbhc_cfg->linein_th) && |
| 695 | (mbhc->zr > mbhc->mbhc_cfg->linein_th) && |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 696 | (jack_type == SND_JACK_HEADPHONE)) { |
| 697 | jack_type = SND_JACK_LINEOUT; |
Vatsal Bucha | d6d62b8 | 2017-12-12 14:22:31 +0530 | [diff] [blame] | 698 | mbhc->force_linein = true; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 699 | mbhc->current_plug = MBHC_PLUG_TYPE_HIGH_HPH; |
| 700 | if (mbhc->hph_status) { |
| 701 | mbhc->hph_status &= ~(SND_JACK_HEADSET | |
| 702 | SND_JACK_LINEOUT | |
| 703 | SND_JACK_UNSUPPORTED); |
| 704 | wcd_mbhc_jack_report(mbhc, |
| 705 | &mbhc->headset_jack, |
| 706 | mbhc->hph_status, |
| 707 | WCD_MBHC_JACK_MASK); |
| 708 | } |
| 709 | pr_debug("%s: Marking jack type as SND_JACK_LINEOUT\n", |
| 710 | __func__); |
| 711 | } |
| 712 | } |
| 713 | |
Vatsal Bucha | 48003fd | 2019-07-17 16:25:08 +0530 | [diff] [blame] | 714 | /* Do not calculate impedance again for lineout |
| 715 | * as during playback pa is on and impedance values |
| 716 | * will not be correct resulting in lineout detected |
| 717 | * as headphone. |
| 718 | */ |
| 719 | if ((is_pa_on) && mbhc->force_linein == true) { |
| 720 | jack_type = SND_JACK_LINEOUT; |
| 721 | mbhc->current_plug = MBHC_PLUG_TYPE_HIGH_HPH; |
| 722 | if (mbhc->hph_status) { |
| 723 | mbhc->hph_status &= ~(SND_JACK_HEADSET | |
| 724 | SND_JACK_LINEOUT | |
| 725 | SND_JACK_UNSUPPORTED); |
| 726 | wcd_mbhc_jack_report(mbhc, |
| 727 | &mbhc->headset_jack, |
| 728 | mbhc->hph_status, |
| 729 | WCD_MBHC_JACK_MASK); |
| 730 | } |
| 731 | } |
| 732 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 733 | mbhc->hph_status |= jack_type; |
| 734 | |
| 735 | pr_debug("%s: Reporting insertion %d(%x)\n", __func__, |
| 736 | jack_type, mbhc->hph_status); |
| 737 | wcd_mbhc_jack_report(mbhc, &mbhc->headset_jack, |
| 738 | (mbhc->hph_status | SND_JACK_MECHANICAL), |
| 739 | WCD_MBHC_JACK_MASK); |
| 740 | wcd_mbhc_clr_and_turnon_hph_padac(mbhc); |
| 741 | } |
| 742 | pr_debug("%s: leave hph_status %x\n", __func__, mbhc->hph_status); |
| 743 | } |
Meng Wang | 6f90162 | 2017-09-19 10:21:57 +0800 | [diff] [blame] | 744 | EXPORT_SYMBOL(wcd_mbhc_report_plug); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 745 | |
| 746 | void wcd_mbhc_elec_hs_report_unplug(struct wcd_mbhc *mbhc) |
| 747 | { |
| 748 | /* cancel pending button press */ |
| 749 | if (wcd_cancel_btn_work(mbhc)) |
| 750 | pr_debug("%s: button press is canceled\n", __func__); |
| 751 | /* cancel correct work function */ |
| 752 | if (mbhc->mbhc_fn->wcd_cancel_hs_detect_plug) |
| 753 | mbhc->mbhc_fn->wcd_cancel_hs_detect_plug(mbhc, |
| 754 | &mbhc->correct_plug_swch); |
| 755 | else |
| 756 | pr_info("%s: hs_detect_plug work not cancelled\n", __func__); |
| 757 | |
| 758 | pr_debug("%s: Report extension cable\n", __func__); |
| 759 | wcd_mbhc_report_plug(mbhc, 1, SND_JACK_LINEOUT); |
| 760 | /* |
| 761 | * If PA is enabled HPHL schmitt trigger can |
| 762 | * be unreliable, make sure to disable it |
| 763 | */ |
| 764 | if (test_bit(WCD_MBHC_EVENT_PA_HPHL, |
| 765 | &mbhc->event_state)) |
| 766 | wcd_mbhc_set_and_turnoff_hph_padac(mbhc); |
| 767 | /* |
| 768 | * Disable HPHL trigger and MIC Schmitt triggers. |
| 769 | * Setup for insertion detection. |
| 770 | */ |
| 771 | wcd_mbhc_hs_elec_irq(mbhc, WCD_MBHC_ELEC_HS_REM, |
| 772 | false); |
| 773 | wcd_enable_curr_micbias(mbhc, WCD_MBHC_EN_NONE); |
| 774 | /* Disable HW FSM */ |
| 775 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_FSM_EN, 0); |
| 776 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_ELECT_SCHMT_ISRC, 3); |
| 777 | |
| 778 | /* Set the detection type appropriately */ |
| 779 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_ELECT_DETECTION_TYPE, 1); |
| 780 | wcd_mbhc_hs_elec_irq(mbhc, WCD_MBHC_ELEC_HS_INS, |
| 781 | true); |
| 782 | } |
| 783 | EXPORT_SYMBOL(wcd_mbhc_elec_hs_report_unplug); |
| 784 | |
| 785 | void wcd_mbhc_find_plug_and_report(struct wcd_mbhc *mbhc, |
| 786 | enum wcd_mbhc_plug_type plug_type) |
| 787 | { |
| 788 | bool anc_mic_found = false; |
| 789 | enum snd_jack_types jack_type; |
| 790 | |
Karthikeyan Mani | 3dd07e6 | 2018-06-28 18:25:08 -0700 | [diff] [blame] | 791 | if (mbhc->deinit_in_progress) { |
Md Mansoor Ahmed | 26d8bdd | 2018-11-20 10:56:01 +0530 | [diff] [blame] | 792 | pr_info("%s: mbhc deinit in progess: ignore report\n", __func__); |
Karthikeyan Mani | 3dd07e6 | 2018-06-28 18:25:08 -0700 | [diff] [blame] | 793 | return; |
| 794 | } |
| 795 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 796 | pr_debug("%s: enter current_plug(%d) new_plug(%d)\n", |
| 797 | __func__, mbhc->current_plug, plug_type); |
| 798 | |
| 799 | WCD_MBHC_RSC_ASSERT_LOCKED(mbhc); |
| 800 | |
| 801 | if (mbhc->current_plug == plug_type) { |
| 802 | pr_debug("%s: cable already reported, exit\n", __func__); |
| 803 | goto exit; |
| 804 | } |
| 805 | |
| 806 | if (plug_type == MBHC_PLUG_TYPE_HEADPHONE) { |
| 807 | /* |
| 808 | * Nothing was reported previously |
| 809 | * report a headphone or unsupported |
| 810 | */ |
| 811 | wcd_mbhc_report_plug(mbhc, 1, SND_JACK_HEADPHONE); |
| 812 | } else if (plug_type == MBHC_PLUG_TYPE_GND_MIC_SWAP) { |
| 813 | if (mbhc->current_plug == MBHC_PLUG_TYPE_HEADPHONE) |
| 814 | wcd_mbhc_report_plug(mbhc, 0, SND_JACK_HEADPHONE); |
| 815 | if (mbhc->current_plug == MBHC_PLUG_TYPE_HEADSET) |
| 816 | wcd_mbhc_report_plug(mbhc, 0, SND_JACK_HEADSET); |
| 817 | wcd_mbhc_report_plug(mbhc, 1, SND_JACK_UNSUPPORTED); |
| 818 | } else if (plug_type == MBHC_PLUG_TYPE_HEADSET) { |
| 819 | if (mbhc->mbhc_cfg->enable_anc_mic_detect && |
| 820 | mbhc->mbhc_fn->wcd_mbhc_detect_anc_plug_type) |
| 821 | anc_mic_found = |
| 822 | mbhc->mbhc_fn->wcd_mbhc_detect_anc_plug_type(mbhc); |
| 823 | jack_type = SND_JACK_HEADSET; |
| 824 | if (anc_mic_found) |
| 825 | jack_type = SND_JACK_ANC_HEADPHONE; |
| 826 | |
| 827 | /* |
| 828 | * If Headphone was reported previously, this will |
| 829 | * only report the mic line |
| 830 | */ |
| 831 | wcd_mbhc_report_plug(mbhc, 1, jack_type); |
| 832 | } else if (plug_type == MBHC_PLUG_TYPE_HIGH_HPH) { |
| 833 | if (mbhc->mbhc_cfg->detect_extn_cable) { |
| 834 | /* High impedance device found. Report as LINEOUT */ |
| 835 | wcd_mbhc_report_plug(mbhc, 1, SND_JACK_LINEOUT); |
| 836 | pr_debug("%s: setup mic trigger for further detection\n", |
| 837 | __func__); |
| 838 | |
| 839 | /* Disable HW FSM and current source */ |
| 840 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_FSM_EN, 0); |
| 841 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_BTN_ISRC_CTL, 0); |
| 842 | /* Setup for insertion detection */ |
| 843 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_ELECT_DETECTION_TYPE, |
| 844 | 1); |
| 845 | /* |
| 846 | * Enable HPHL trigger and MIC Schmitt triggers |
| 847 | * and request for elec insertion interrupts |
| 848 | */ |
| 849 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_ELECT_SCHMT_ISRC, |
| 850 | 3); |
| 851 | wcd_mbhc_hs_elec_irq(mbhc, WCD_MBHC_ELEC_HS_INS, |
| 852 | true); |
| 853 | } else { |
| 854 | wcd_mbhc_report_plug(mbhc, 1, SND_JACK_LINEOUT); |
| 855 | } |
| 856 | } else { |
| 857 | WARN(1, "Unexpected current plug_type %d, plug_type %d\n", |
| 858 | mbhc->current_plug, plug_type); |
| 859 | } |
| 860 | exit: |
| 861 | pr_debug("%s: leave\n", __func__); |
| 862 | } |
| 863 | EXPORT_SYMBOL(wcd_mbhc_find_plug_and_report); |
| 864 | |
Sudheer Papothi | a45a56e | 2018-08-03 05:30:24 +0530 | [diff] [blame] | 865 | static bool wcd_mbhc_moisture_detect(struct wcd_mbhc *mbhc, bool detection_type) |
| 866 | { |
| 867 | bool ret = false; |
| 868 | |
Vatsal Bucha | e1728c5 | 2019-01-17 17:24:55 +0530 | [diff] [blame] | 869 | if (!mbhc->mbhc_cfg->moisture_en && |
Sudheer Papothi | a45a56e | 2018-08-03 05:30:24 +0530 | [diff] [blame] | 870 | !mbhc->mbhc_cfg->moisture_duty_cycle_en) |
| 871 | return ret; |
| 872 | |
| 873 | if (!mbhc->mbhc_cb->mbhc_get_moisture_status || |
| 874 | !mbhc->mbhc_cb->mbhc_moisture_polling_ctrl || |
| 875 | !mbhc->mbhc_cb->mbhc_moisture_detect_en) |
| 876 | return ret; |
| 877 | |
| 878 | if (mbhc->mbhc_cb->mbhc_get_moisture_status(mbhc)) { |
| 879 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_L_DET_EN, 0); |
| 880 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_GND_DET_EN, 0); |
| 881 | mbhc->mbhc_cb->mbhc_moisture_polling_ctrl(mbhc, true); |
| 882 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_MECH_DETECTION_TYPE, |
| 883 | detection_type); |
| 884 | ret = true; |
| 885 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_L_DET_EN, 1); |
| 886 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_GND_DET_EN, 1); |
| 887 | } else { |
| 888 | mbhc->mbhc_cb->mbhc_moisture_polling_ctrl(mbhc, false); |
| 889 | mbhc->mbhc_cb->mbhc_moisture_detect_en(mbhc, false); |
| 890 | } |
| 891 | |
| 892 | return ret; |
| 893 | } |
| 894 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 895 | static void wcd_mbhc_swch_irq_handler(struct wcd_mbhc *mbhc) |
| 896 | { |
| 897 | bool detection_type = 0; |
| 898 | bool micbias1 = false; |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 899 | struct snd_soc_component *component = mbhc->component; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 900 | enum snd_jack_types jack_type; |
| 901 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 902 | dev_dbg(component->dev, "%s: enter\n", __func__); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 903 | WCD_MBHC_RSC_LOCK(mbhc); |
| 904 | mbhc->in_swch_irq_handler = true; |
| 905 | |
| 906 | /* cancel pending button press */ |
| 907 | if (wcd_cancel_btn_work(mbhc)) |
| 908 | pr_debug("%s: button press is canceled\n", __func__); |
| 909 | |
| 910 | WCD_MBHC_REG_READ(WCD_MBHC_MECH_DETECTION_TYPE, detection_type); |
| 911 | |
| 912 | /* Set the detection type appropriately */ |
| 913 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_MECH_DETECTION_TYPE, |
| 914 | !detection_type); |
| 915 | |
| 916 | pr_debug("%s: mbhc->current_plug: %d detection_type: %d\n", __func__, |
| 917 | mbhc->current_plug, detection_type); |
| 918 | if (mbhc->mbhc_fn->wcd_cancel_hs_detect_plug) |
| 919 | mbhc->mbhc_fn->wcd_cancel_hs_detect_plug(mbhc, |
| 920 | &mbhc->correct_plug_swch); |
| 921 | else |
| 922 | pr_info("%s: hs_detect_plug work not cancelled\n", __func__); |
| 923 | |
| 924 | if (mbhc->mbhc_cb->micbias_enable_status) |
| 925 | micbias1 = mbhc->mbhc_cb->micbias_enable_status(mbhc, |
| 926 | MIC_BIAS_1); |
| 927 | |
| 928 | if ((mbhc->current_plug == MBHC_PLUG_TYPE_NONE) && |
| 929 | detection_type) { |
Sudheer Papothi | a45a56e | 2018-08-03 05:30:24 +0530 | [diff] [blame] | 930 | |
| 931 | /* If moisture is present, then enable polling, disable |
| 932 | * moisture detection and wait for interrupt |
| 933 | */ |
| 934 | if (wcd_mbhc_moisture_detect(mbhc, detection_type)) |
| 935 | goto done; |
| 936 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 937 | /* Make sure MASTER_BIAS_CTL is enabled */ |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 938 | mbhc->mbhc_cb->mbhc_bias(component, true); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 939 | |
| 940 | if (mbhc->mbhc_cb->mbhc_common_micb_ctrl) |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 941 | mbhc->mbhc_cb->mbhc_common_micb_ctrl(component, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 942 | MBHC_COMMON_MICB_TAIL_CURR, true); |
| 943 | |
| 944 | if (!mbhc->mbhc_cfg->hs_ext_micbias && |
| 945 | mbhc->mbhc_cb->micb_internal) |
| 946 | /* |
| 947 | * Enable Tx2 RBias if the headset |
| 948 | * is using internal micbias |
| 949 | */ |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 950 | mbhc->mbhc_cb->micb_internal(component, 1, true); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 951 | |
| 952 | /* Remove micbias pulldown */ |
| 953 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_PULLDOWN_CTRL, 0); |
| 954 | /* Apply trim if needed on the device */ |
| 955 | if (mbhc->mbhc_cb->trim_btn_reg) |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 956 | mbhc->mbhc_cb->trim_btn_reg(component); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 957 | /* Enable external voltage source to micbias if present */ |
| 958 | if (mbhc->mbhc_cb->enable_mb_source) |
| 959 | mbhc->mbhc_cb->enable_mb_source(mbhc, true); |
| 960 | mbhc->btn_press_intr = false; |
| 961 | mbhc->is_btn_press = false; |
| 962 | if (mbhc->mbhc_fn) |
| 963 | mbhc->mbhc_fn->wcd_mbhc_detect_plug_type(mbhc); |
| 964 | } else if ((mbhc->current_plug != MBHC_PLUG_TYPE_NONE) |
| 965 | && !detection_type) { |
| 966 | /* Disable external voltage source to micbias if present */ |
| 967 | if (mbhc->mbhc_cb->enable_mb_source) |
| 968 | mbhc->mbhc_cb->enable_mb_source(mbhc, false); |
| 969 | /* Disable HW FSM */ |
| 970 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_FSM_EN, 0); |
| 971 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_BTN_ISRC_CTL, 0); |
| 972 | if (mbhc->mbhc_cb->mbhc_common_micb_ctrl) |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 973 | mbhc->mbhc_cb->mbhc_common_micb_ctrl(component, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 974 | MBHC_COMMON_MICB_TAIL_CURR, false); |
| 975 | |
| 976 | if (mbhc->mbhc_cb->set_cap_mode) |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 977 | mbhc->mbhc_cb->set_cap_mode(component, micbias1, false); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 978 | |
| 979 | mbhc->btn_press_intr = false; |
| 980 | mbhc->is_btn_press = false; |
| 981 | switch (mbhc->current_plug) { |
| 982 | case MBHC_PLUG_TYPE_HEADPHONE: |
| 983 | jack_type = SND_JACK_HEADPHONE; |
| 984 | break; |
| 985 | case MBHC_PLUG_TYPE_GND_MIC_SWAP: |
| 986 | jack_type = SND_JACK_UNSUPPORTED; |
| 987 | break; |
| 988 | case MBHC_PLUG_TYPE_HEADSET: |
| 989 | /* make sure to turn off Rbias */ |
| 990 | if (mbhc->mbhc_cb->micb_internal) |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 991 | mbhc->mbhc_cb->micb_internal(component, |
| 992 | 1, false); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 993 | /* Pulldown micbias */ |
| 994 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_PULLDOWN_CTRL, 1); |
| 995 | jack_type = SND_JACK_HEADSET; |
| 996 | break; |
| 997 | case MBHC_PLUG_TYPE_HIGH_HPH: |
Vatsal Bucha | 4b8884a | 2018-05-10 14:20:18 +0530 | [diff] [blame] | 998 | if (mbhc->mbhc_detection_logic == WCD_DETECTION_ADC) |
| 999 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_ELECT_ISRC_EN, 0); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1000 | mbhc->is_extn_cable = false; |
| 1001 | jack_type = SND_JACK_LINEOUT; |
| 1002 | break; |
| 1003 | case MBHC_PLUG_TYPE_ANC_HEADPHONE: |
| 1004 | jack_type = SND_JACK_ANC_HEADPHONE; |
| 1005 | break; |
| 1006 | default: |
| 1007 | pr_info("%s: Invalid current plug: %d\n", |
| 1008 | __func__, mbhc->current_plug); |
| 1009 | jack_type = SND_JACK_UNSUPPORTED; |
| 1010 | break; |
| 1011 | } |
| 1012 | wcd_mbhc_hs_elec_irq(mbhc, WCD_MBHC_ELEC_HS_REM, false); |
| 1013 | wcd_mbhc_hs_elec_irq(mbhc, WCD_MBHC_ELEC_HS_INS, false); |
| 1014 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_ELECT_DETECTION_TYPE, 1); |
| 1015 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_ELECT_SCHMT_ISRC, 0); |
| 1016 | mbhc->extn_cable_hph_rem = false; |
| 1017 | wcd_mbhc_report_plug(mbhc, 0, jack_type); |
| 1018 | |
Karthikeyan Mani | 8d772b0 | 2018-03-21 19:52:32 -0700 | [diff] [blame] | 1019 | if (mbhc->mbhc_cfg->enable_usbc_analog) { |
Phani Kumar Uppalapati | 8fe0247 | 2018-01-17 18:42:52 -0800 | [diff] [blame] | 1020 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_L_DET_EN, 0); |
Karthikeyan Mani | 8d772b0 | 2018-03-21 19:52:32 -0700 | [diff] [blame] | 1021 | if (mbhc->mbhc_cb->clk_setup) |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1022 | mbhc->mbhc_cb->clk_setup( |
| 1023 | mbhc->component, false); |
Karthikeyan Mani | 8d772b0 | 2018-03-21 19:52:32 -0700 | [diff] [blame] | 1024 | } |
Phani Kumar Uppalapati | 8fe0247 | 2018-01-17 18:42:52 -0800 | [diff] [blame] | 1025 | |
Sudheer Papothi | a45a56e | 2018-08-03 05:30:24 +0530 | [diff] [blame] | 1026 | if (mbhc->mbhc_cfg->moisture_en && |
| 1027 | mbhc->mbhc_cfg->moisture_duty_cycle_en) { |
| 1028 | if (mbhc->mbhc_cb->mbhc_moisture_polling_ctrl) |
| 1029 | mbhc->mbhc_cb->mbhc_moisture_polling_ctrl(mbhc, |
| 1030 | false); |
| 1031 | if (mbhc->mbhc_cb->mbhc_moisture_detect_en) |
| 1032 | mbhc->mbhc_cb->mbhc_moisture_detect_en(mbhc, |
| 1033 | false); |
| 1034 | } |
| 1035 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1036 | } else if (!detection_type) { |
| 1037 | /* Disable external voltage source to micbias if present */ |
| 1038 | if (mbhc->mbhc_cb->enable_mb_source) |
| 1039 | mbhc->mbhc_cb->enable_mb_source(mbhc, false); |
| 1040 | /* Disable HW FSM */ |
| 1041 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_FSM_EN, 0); |
| 1042 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_BTN_ISRC_CTL, 0); |
| 1043 | mbhc->extn_cable_hph_rem = false; |
| 1044 | } |
| 1045 | |
Sudheer Papothi | a45a56e | 2018-08-03 05:30:24 +0530 | [diff] [blame] | 1046 | done: |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1047 | mbhc->in_swch_irq_handler = false; |
| 1048 | WCD_MBHC_RSC_UNLOCK(mbhc); |
| 1049 | pr_debug("%s: leave\n", __func__); |
| 1050 | } |
| 1051 | |
| 1052 | static irqreturn_t wcd_mbhc_mech_plug_detect_irq(int irq, void *data) |
| 1053 | { |
| 1054 | int r = IRQ_HANDLED; |
| 1055 | struct wcd_mbhc *mbhc = data; |
| 1056 | |
| 1057 | pr_debug("%s: enter\n", __func__); |
| 1058 | if (unlikely((mbhc->mbhc_cb->lock_sleep(mbhc, true)) == false)) { |
| 1059 | pr_warn("%s: failed to hold suspend\n", __func__); |
| 1060 | r = IRQ_NONE; |
| 1061 | } else { |
| 1062 | /* Call handler */ |
| 1063 | wcd_mbhc_swch_irq_handler(mbhc); |
| 1064 | mbhc->mbhc_cb->lock_sleep(mbhc, false); |
| 1065 | } |
| 1066 | pr_debug("%s: leave %d\n", __func__, r); |
| 1067 | return r; |
| 1068 | } |
| 1069 | |
| 1070 | int wcd_mbhc_get_button_mask(struct wcd_mbhc *mbhc) |
| 1071 | { |
| 1072 | int mask = 0; |
| 1073 | int btn; |
| 1074 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1075 | btn = mbhc->mbhc_cb->map_btn_code_to_num(mbhc->component); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1076 | |
| 1077 | switch (btn) { |
| 1078 | case 0: |
| 1079 | mask = SND_JACK_BTN_0; |
| 1080 | break; |
| 1081 | case 1: |
| 1082 | mask = SND_JACK_BTN_1; |
| 1083 | break; |
| 1084 | case 2: |
| 1085 | mask = SND_JACK_BTN_2; |
| 1086 | break; |
| 1087 | case 3: |
| 1088 | mask = SND_JACK_BTN_3; |
| 1089 | break; |
| 1090 | case 4: |
| 1091 | mask = SND_JACK_BTN_4; |
| 1092 | break; |
| 1093 | case 5: |
| 1094 | mask = SND_JACK_BTN_5; |
| 1095 | break; |
| 1096 | default: |
| 1097 | break; |
| 1098 | } |
| 1099 | |
| 1100 | return mask; |
| 1101 | } |
| 1102 | EXPORT_SYMBOL(wcd_mbhc_get_button_mask); |
| 1103 | |
| 1104 | static void wcd_btn_lpress_fn(struct work_struct *work) |
| 1105 | { |
| 1106 | struct delayed_work *dwork; |
| 1107 | struct wcd_mbhc *mbhc; |
| 1108 | s16 btn_result = 0; |
| 1109 | |
| 1110 | pr_debug("%s: Enter\n", __func__); |
| 1111 | |
| 1112 | dwork = to_delayed_work(work); |
| 1113 | mbhc = container_of(dwork, struct wcd_mbhc, mbhc_btn_dwork); |
| 1114 | |
| 1115 | WCD_MBHC_REG_READ(WCD_MBHC_BTN_RESULT, btn_result); |
| 1116 | if (mbhc->current_plug == MBHC_PLUG_TYPE_HEADSET) { |
| 1117 | pr_debug("%s: Reporting long button press event, btn_result: %d\n", |
| 1118 | __func__, btn_result); |
| 1119 | wcd_mbhc_jack_report(mbhc, &mbhc->button_jack, |
| 1120 | mbhc->buttons_pressed, mbhc->buttons_pressed); |
| 1121 | } |
| 1122 | pr_debug("%s: leave\n", __func__); |
| 1123 | mbhc->mbhc_cb->lock_sleep(mbhc, false); |
| 1124 | } |
| 1125 | |
| 1126 | static bool wcd_mbhc_fw_validate(const void *data, size_t size) |
| 1127 | { |
| 1128 | u32 cfg_offset; |
| 1129 | struct wcd_mbhc_btn_detect_cfg *btn_cfg; |
| 1130 | struct firmware_cal fw; |
| 1131 | |
| 1132 | fw.data = (void *)data; |
| 1133 | fw.size = size; |
| 1134 | |
| 1135 | if (fw.size < WCD_MBHC_CAL_MIN_SIZE) |
| 1136 | return false; |
| 1137 | |
| 1138 | /* |
| 1139 | * Previous check guarantees that there is enough fw data up |
| 1140 | * to num_btn |
| 1141 | */ |
| 1142 | btn_cfg = WCD_MBHC_CAL_BTN_DET_PTR(fw.data); |
| 1143 | cfg_offset = (u32) ((void *) btn_cfg - (void *) fw.data); |
| 1144 | if (fw.size < (cfg_offset + WCD_MBHC_CAL_BTN_SZ(btn_cfg))) |
| 1145 | return false; |
| 1146 | |
| 1147 | return true; |
| 1148 | } |
| 1149 | |
| 1150 | static irqreturn_t wcd_mbhc_btn_press_handler(int irq, void *data) |
| 1151 | { |
| 1152 | struct wcd_mbhc *mbhc = data; |
| 1153 | int mask; |
| 1154 | unsigned long msec_val; |
| 1155 | |
| 1156 | pr_debug("%s: enter\n", __func__); |
| 1157 | complete(&mbhc->btn_press_compl); |
| 1158 | WCD_MBHC_RSC_LOCK(mbhc); |
| 1159 | wcd_cancel_btn_work(mbhc); |
| 1160 | if (wcd_swch_level_remove(mbhc)) { |
| 1161 | pr_debug("%s: Switch level is low ", __func__); |
| 1162 | goto done; |
| 1163 | } |
| 1164 | |
| 1165 | mbhc->is_btn_press = true; |
| 1166 | msec_val = jiffies_to_msecs(jiffies - mbhc->jiffies_atreport); |
| 1167 | pr_debug("%s: msec_val = %ld\n", __func__, msec_val); |
| 1168 | if (msec_val < MBHC_BUTTON_PRESS_THRESHOLD_MIN) { |
| 1169 | pr_debug("%s: Too short, ignore button press\n", __func__); |
| 1170 | goto done; |
| 1171 | } |
| 1172 | |
| 1173 | /* If switch interrupt already kicked in, ignore button press */ |
| 1174 | if (mbhc->in_swch_irq_handler) { |
| 1175 | pr_debug("%s: Swtich level changed, ignore button press\n", |
| 1176 | __func__); |
| 1177 | goto done; |
| 1178 | } |
| 1179 | mask = wcd_mbhc_get_button_mask(mbhc); |
| 1180 | if (mask == SND_JACK_BTN_0) |
| 1181 | mbhc->btn_press_intr = true; |
| 1182 | |
| 1183 | if (mbhc->current_plug != MBHC_PLUG_TYPE_HEADSET) { |
| 1184 | pr_debug("%s: Plug isn't headset, ignore button press\n", |
| 1185 | __func__); |
| 1186 | goto done; |
| 1187 | } |
| 1188 | mbhc->buttons_pressed |= mask; |
| 1189 | mbhc->mbhc_cb->lock_sleep(mbhc, true); |
| 1190 | if (schedule_delayed_work(&mbhc->mbhc_btn_dwork, |
| 1191 | msecs_to_jiffies(400)) == 0) { |
| 1192 | WARN(1, "Button pressed twice without release event\n"); |
| 1193 | mbhc->mbhc_cb->lock_sleep(mbhc, false); |
| 1194 | } |
| 1195 | done: |
| 1196 | pr_debug("%s: leave\n", __func__); |
| 1197 | WCD_MBHC_RSC_UNLOCK(mbhc); |
| 1198 | return IRQ_HANDLED; |
| 1199 | } |
| 1200 | |
| 1201 | static irqreturn_t wcd_mbhc_release_handler(int irq, void *data) |
| 1202 | { |
| 1203 | struct wcd_mbhc *mbhc = data; |
| 1204 | int ret; |
| 1205 | |
| 1206 | pr_debug("%s: enter\n", __func__); |
| 1207 | WCD_MBHC_RSC_LOCK(mbhc); |
| 1208 | if (wcd_swch_level_remove(mbhc)) { |
| 1209 | pr_debug("%s: Switch level is low ", __func__); |
| 1210 | goto exit; |
| 1211 | } |
| 1212 | |
| 1213 | if (mbhc->is_btn_press) { |
| 1214 | mbhc->is_btn_press = false; |
| 1215 | } else { |
| 1216 | pr_debug("%s: This release is for fake btn press\n", __func__); |
| 1217 | goto exit; |
| 1218 | } |
| 1219 | |
| 1220 | /* |
| 1221 | * If current plug is headphone then there is no chance to |
| 1222 | * get btn release interrupt, so connected cable should be |
| 1223 | * headset not headphone. |
| 1224 | * For ADC MBHC, ADC_COMPLETE interrupt will be generated |
| 1225 | * in this case. So skip the check here. |
| 1226 | */ |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 1227 | if (mbhc->mbhc_detection_logic == WCD_DETECTION_LEGACY && |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1228 | mbhc->current_plug == MBHC_PLUG_TYPE_HEADPHONE) { |
| 1229 | wcd_mbhc_find_plug_and_report(mbhc, MBHC_PLUG_TYPE_HEADSET); |
| 1230 | goto exit; |
| 1231 | |
| 1232 | } |
| 1233 | if (mbhc->buttons_pressed & WCD_MBHC_JACK_BUTTON_MASK) { |
| 1234 | ret = wcd_cancel_btn_work(mbhc); |
| 1235 | if (ret == 0) { |
| 1236 | pr_debug("%s: Reporting long button release event\n", |
| 1237 | __func__); |
| 1238 | wcd_mbhc_jack_report(mbhc, &mbhc->button_jack, |
| 1239 | 0, mbhc->buttons_pressed); |
| 1240 | } else { |
| 1241 | if (mbhc->in_swch_irq_handler) { |
| 1242 | pr_debug("%s: Switch irq kicked in, ignore\n", |
| 1243 | __func__); |
| 1244 | } else { |
| 1245 | pr_debug("%s: Reporting btn press\n", |
| 1246 | __func__); |
| 1247 | wcd_mbhc_jack_report(mbhc, |
| 1248 | &mbhc->button_jack, |
| 1249 | mbhc->buttons_pressed, |
| 1250 | mbhc->buttons_pressed); |
| 1251 | pr_debug("%s: Reporting btn release\n", |
| 1252 | __func__); |
| 1253 | wcd_mbhc_jack_report(mbhc, |
| 1254 | &mbhc->button_jack, |
| 1255 | 0, mbhc->buttons_pressed); |
| 1256 | } |
| 1257 | } |
| 1258 | mbhc->buttons_pressed &= ~WCD_MBHC_JACK_BUTTON_MASK; |
| 1259 | } |
| 1260 | exit: |
| 1261 | pr_debug("%s: leave\n", __func__); |
| 1262 | WCD_MBHC_RSC_UNLOCK(mbhc); |
| 1263 | return IRQ_HANDLED; |
| 1264 | } |
| 1265 | |
| 1266 | static irqreturn_t wcd_mbhc_hphl_ocp_irq(int irq, void *data) |
| 1267 | { |
| 1268 | struct wcd_mbhc *mbhc = data; |
| 1269 | int val; |
| 1270 | |
| 1271 | pr_debug("%s: received HPHL OCP irq\n", __func__); |
| 1272 | if (mbhc) { |
| 1273 | if (mbhc->mbhc_cb->hph_register_recovery) { |
| 1274 | if (mbhc->mbhc_cb->hph_register_recovery(mbhc)) { |
| 1275 | WCD_MBHC_REG_READ(WCD_MBHC_HPHR_OCP_STATUS, |
| 1276 | val); |
| 1277 | if ((val != -EINVAL) && val) |
| 1278 | mbhc->is_hph_ocp_pending = true; |
| 1279 | goto done; |
| 1280 | } |
| 1281 | } |
| 1282 | |
| 1283 | if (mbhc->hphlocp_cnt < OCP_ATTEMPT) { |
| 1284 | mbhc->hphlocp_cnt++; |
| 1285 | pr_debug("%s: retry, hphlocp_cnt: %d\n", __func__, |
| 1286 | mbhc->hphlocp_cnt); |
| 1287 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_OCP_FSM_EN, 0); |
| 1288 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_OCP_FSM_EN, 1); |
| 1289 | } else { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1290 | mbhc->mbhc_cb->irq_control(mbhc->component, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1291 | mbhc->intr_ids->hph_left_ocp, |
| 1292 | false); |
| 1293 | mbhc->hph_status |= SND_JACK_OC_HPHL; |
| 1294 | wcd_mbhc_jack_report(mbhc, &mbhc->headset_jack, |
| 1295 | mbhc->hph_status, |
| 1296 | WCD_MBHC_JACK_MASK); |
| 1297 | } |
| 1298 | } else { |
| 1299 | pr_err("%s: Bad wcd9xxx_spmi private data\n", __func__); |
| 1300 | } |
| 1301 | done: |
| 1302 | return IRQ_HANDLED; |
| 1303 | } |
| 1304 | |
| 1305 | static irqreturn_t wcd_mbhc_hphr_ocp_irq(int irq, void *data) |
| 1306 | { |
| 1307 | struct wcd_mbhc *mbhc = data; |
| 1308 | |
| 1309 | pr_debug("%s: received HPHR OCP irq\n", __func__); |
| 1310 | |
| 1311 | if (!mbhc) { |
| 1312 | pr_err("%s: Bad mbhc private data\n", __func__); |
| 1313 | goto done; |
| 1314 | } |
| 1315 | |
| 1316 | if (mbhc->is_hph_ocp_pending) { |
| 1317 | mbhc->is_hph_ocp_pending = false; |
| 1318 | goto done; |
| 1319 | } |
| 1320 | |
| 1321 | if (mbhc->mbhc_cb->hph_register_recovery) { |
| 1322 | if (mbhc->mbhc_cb->hph_register_recovery(mbhc)) |
| 1323 | /* register corruption, hence reset registers */ |
| 1324 | goto done; |
| 1325 | } |
| 1326 | if (mbhc->hphrocp_cnt < OCP_ATTEMPT) { |
| 1327 | mbhc->hphrocp_cnt++; |
| 1328 | pr_debug("%s: retry, hphrocp_cnt: %d\n", __func__, |
| 1329 | mbhc->hphrocp_cnt); |
| 1330 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_OCP_FSM_EN, 0); |
| 1331 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_OCP_FSM_EN, 1); |
| 1332 | } else { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1333 | mbhc->mbhc_cb->irq_control(mbhc->component, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1334 | mbhc->intr_ids->hph_right_ocp, |
| 1335 | false); |
| 1336 | mbhc->hph_status |= SND_JACK_OC_HPHR; |
| 1337 | wcd_mbhc_jack_report(mbhc, &mbhc->headset_jack, |
| 1338 | mbhc->hph_status, WCD_MBHC_JACK_MASK); |
| 1339 | } |
| 1340 | done: |
| 1341 | return IRQ_HANDLED; |
| 1342 | } |
| 1343 | |
| 1344 | static int wcd_mbhc_initialise(struct wcd_mbhc *mbhc) |
| 1345 | { |
| 1346 | int ret = 0; |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1347 | struct snd_soc_component *component = mbhc->component; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1348 | |
| 1349 | pr_debug("%s: enter\n", __func__); |
| 1350 | WCD_MBHC_RSC_LOCK(mbhc); |
| 1351 | |
| 1352 | /* enable HS detection */ |
Sudheer Papothi | 8c9bd0f | 2017-12-29 02:18:43 +0530 | [diff] [blame] | 1353 | if (mbhc->mbhc_cb->hph_pull_up_control_v2) |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1354 | mbhc->mbhc_cb->hph_pull_up_control_v2(component, |
Sudheer Papothi | 8c9bd0f | 2017-12-29 02:18:43 +0530 | [diff] [blame] | 1355 | HS_PULLUP_I_DEFAULT); |
| 1356 | else if (mbhc->mbhc_cb->hph_pull_up_control) |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1357 | mbhc->mbhc_cb->hph_pull_up_control(component, I_DEFAULT); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1358 | else |
| 1359 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_HS_L_DET_PULL_UP_CTRL, 3); |
| 1360 | |
Vatsal Bucha | e1728c5 | 2019-01-17 17:24:55 +0530 | [diff] [blame] | 1361 | /* Configure for moisture detection when duty cycle is not enabled. |
| 1362 | * Otherwise disable moisture detection. |
| 1363 | */ |
Sudheer Papothi | a45a56e | 2018-08-03 05:30:24 +0530 | [diff] [blame] | 1364 | if (mbhc->mbhc_cfg->moisture_en && mbhc->mbhc_cb->mbhc_moisture_config |
| 1365 | && !mbhc->mbhc_cfg->moisture_duty_cycle_en) |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1366 | mbhc->mbhc_cb->mbhc_moisture_config(mbhc); |
Vatsal Bucha | e1728c5 | 2019-01-17 17:24:55 +0530 | [diff] [blame] | 1367 | else if (mbhc->mbhc_cfg->moisture_duty_cycle_en && |
| 1368 | mbhc->mbhc_cb->mbhc_moisture_detect_en) |
| 1369 | mbhc->mbhc_cb->mbhc_moisture_detect_en(mbhc, false); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1370 | |
| 1371 | /* |
| 1372 | * For USB analog we need to override the switch configuration. |
| 1373 | * Also, disable hph_l pull-up current source as HS_DET_L is driven |
| 1374 | * by an external source |
| 1375 | */ |
| 1376 | if (mbhc->mbhc_cfg->enable_usbc_analog) { |
Sudheer Papothi | 8c9bd0f | 2017-12-29 02:18:43 +0530 | [diff] [blame] | 1377 | if (mbhc->mbhc_cb->hph_pull_up_control_v2) |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1378 | mbhc->mbhc_cb->hph_pull_up_control_v2(component, |
Sudheer Papothi | 8c9bd0f | 2017-12-29 02:18:43 +0530 | [diff] [blame] | 1379 | HS_PULLUP_I_OFF); |
| 1380 | else if (mbhc->mbhc_cb->hph_pull_up_control) |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1381 | mbhc->mbhc_cb->hph_pull_up_control(component, I_OFF); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1382 | else |
| 1383 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_HS_L_DET_PULL_UP_CTRL, |
| 1384 | 0); |
| 1385 | } |
| 1386 | |
| 1387 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_HPHL_PLUG_TYPE, mbhc->hphl_swh); |
| 1388 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_GND_PLUG_TYPE, mbhc->gnd_swh); |
| 1389 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_SW_HPH_LP_100K_TO_GND, 1); |
| 1390 | if (mbhc->mbhc_cfg->gnd_det_en && mbhc->mbhc_cb->mbhc_gnd_det_ctrl) |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1391 | mbhc->mbhc_cb->mbhc_gnd_det_ctrl(component, true); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1392 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_HS_L_DET_PULL_UP_COMP_CTRL, 1); |
Phani Kumar Uppalapati | 8fe0247 | 2018-01-17 18:42:52 -0800 | [diff] [blame] | 1393 | |
| 1394 | /* |
| 1395 | * Disable L_DET for USB-C analog audio to avoid spurious interrupts |
| 1396 | * when a non-audio accessory is inserted. L_DET_EN sets to 1 when FSA |
| 1397 | * I2C driver notifies that ANALOG_AUDIO_ADAPTER is inserted |
| 1398 | */ |
| 1399 | if (mbhc->mbhc_cfg->enable_usbc_analog) |
| 1400 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_L_DET_EN, 0); |
| 1401 | else |
| 1402 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_L_DET_EN, 1); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1403 | |
| 1404 | if (mbhc->mbhc_cfg->enable_usbc_analog) { |
| 1405 | /* Insertion debounce set to 48ms */ |
| 1406 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_INSREM_DBNC, 4); |
| 1407 | } else { |
| 1408 | /* Insertion debounce set to 96ms */ |
| 1409 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_INSREM_DBNC, 6); |
| 1410 | } |
| 1411 | |
| 1412 | /* Button Debounce set to 16ms */ |
| 1413 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_BTN_DBNC, 2); |
| 1414 | |
| 1415 | /* Enable micbias ramp */ |
| 1416 | if (mbhc->mbhc_cb->mbhc_micb_ramp_control) |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1417 | mbhc->mbhc_cb->mbhc_micb_ramp_control(component, true); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1418 | /* enable bias */ |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1419 | mbhc->mbhc_cb->mbhc_bias(component, true); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1420 | /* enable MBHC clock */ |
Karthikeyan Mani | 8d772b0 | 2018-03-21 19:52:32 -0700 | [diff] [blame] | 1421 | if (mbhc->mbhc_cb->clk_setup) { |
| 1422 | if (mbhc->mbhc_cfg->enable_usbc_analog) |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1423 | mbhc->mbhc_cb->clk_setup(component, false); |
Karthikeyan Mani | 8d772b0 | 2018-03-21 19:52:32 -0700 | [diff] [blame] | 1424 | else |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1425 | mbhc->mbhc_cb->clk_setup(component, true); |
Karthikeyan Mani | 8d772b0 | 2018-03-21 19:52:32 -0700 | [diff] [blame] | 1426 | } |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1427 | |
| 1428 | /* program HS_VREF value */ |
| 1429 | wcd_program_hs_vref(mbhc); |
| 1430 | |
| 1431 | wcd_program_btn_threshold(mbhc, false); |
| 1432 | |
| 1433 | |
| 1434 | reinit_completion(&mbhc->btn_press_compl); |
| 1435 | |
| 1436 | WCD_MBHC_RSC_UNLOCK(mbhc); |
| 1437 | pr_debug("%s: leave\n", __func__); |
| 1438 | return ret; |
| 1439 | } |
| 1440 | |
| 1441 | static void wcd_mbhc_fw_read(struct work_struct *work) |
| 1442 | { |
| 1443 | struct delayed_work *dwork; |
| 1444 | struct wcd_mbhc *mbhc; |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1445 | struct snd_soc_component *component; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1446 | const struct firmware *fw; |
| 1447 | struct firmware_cal *fw_data = NULL; |
| 1448 | int ret = -1, retry = 0; |
| 1449 | bool use_default_cal = false; |
| 1450 | |
| 1451 | dwork = to_delayed_work(work); |
| 1452 | mbhc = container_of(dwork, struct wcd_mbhc, mbhc_firmware_dwork); |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1453 | component = mbhc->component; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1454 | |
| 1455 | while (retry < FW_READ_ATTEMPTS) { |
| 1456 | retry++; |
| 1457 | pr_debug("%s:Attempt %d to request MBHC firmware\n", |
| 1458 | __func__, retry); |
| 1459 | if (mbhc->mbhc_cb->get_hwdep_fw_cal) |
| 1460 | fw_data = mbhc->mbhc_cb->get_hwdep_fw_cal(mbhc, |
| 1461 | WCD9XXX_MBHC_CAL); |
| 1462 | if (!fw_data) |
| 1463 | ret = request_firmware(&fw, "wcd9320/wcd9320_mbhc.bin", |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1464 | component->dev); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1465 | /* |
| 1466 | * if request_firmware and hwdep cal both fail then |
| 1467 | * sleep for 4sec for the userspace to send data to kernel |
| 1468 | * retry for few times before bailing out |
| 1469 | */ |
| 1470 | if ((ret != 0) && !fw_data) { |
| 1471 | usleep_range(FW_READ_TIMEOUT, FW_READ_TIMEOUT + |
| 1472 | WCD_MBHC_USLEEP_RANGE_MARGIN_US); |
| 1473 | } else { |
| 1474 | pr_debug("%s: MBHC Firmware read successful\n", |
| 1475 | __func__); |
| 1476 | break; |
| 1477 | } |
| 1478 | } |
| 1479 | if (!fw_data) |
| 1480 | pr_debug("%s: using request_firmware\n", __func__); |
| 1481 | else |
| 1482 | pr_debug("%s: using hwdep cal\n", __func__); |
| 1483 | |
| 1484 | if (ret != 0 && !fw_data) { |
| 1485 | pr_err("%s: Cannot load MBHC firmware use default cal\n", |
| 1486 | __func__); |
| 1487 | use_default_cal = true; |
| 1488 | } |
| 1489 | if (!use_default_cal) { |
| 1490 | const void *data; |
| 1491 | size_t size; |
| 1492 | |
| 1493 | if (fw_data) { |
| 1494 | data = fw_data->data; |
| 1495 | size = fw_data->size; |
| 1496 | } else { |
| 1497 | data = fw->data; |
| 1498 | size = fw->size; |
| 1499 | } |
| 1500 | if (wcd_mbhc_fw_validate(data, size) == false) { |
| 1501 | pr_err("%s: Invalid MBHC cal data size use default cal\n", |
| 1502 | __func__); |
| 1503 | if (!fw_data) |
| 1504 | release_firmware(fw); |
| 1505 | } else { |
| 1506 | if (fw_data) { |
| 1507 | mbhc->mbhc_cfg->calibration = |
| 1508 | (void *)fw_data->data; |
| 1509 | mbhc->mbhc_cal = fw_data; |
| 1510 | } else { |
| 1511 | mbhc->mbhc_cfg->calibration = |
| 1512 | (void *)fw->data; |
| 1513 | mbhc->mbhc_fw = fw; |
| 1514 | } |
| 1515 | } |
| 1516 | |
| 1517 | } |
| 1518 | |
| 1519 | (void) wcd_mbhc_initialise(mbhc); |
| 1520 | } |
| 1521 | |
| 1522 | static int wcd_mbhc_set_keycode(struct wcd_mbhc *mbhc) |
| 1523 | { |
| 1524 | enum snd_jack_types type; |
| 1525 | int i, ret, result = 0; |
| 1526 | int *btn_key_code; |
| 1527 | |
| 1528 | btn_key_code = mbhc->mbhc_cfg->key_code; |
| 1529 | |
| 1530 | for (i = 0 ; i < WCD_MBHC_KEYCODE_NUM ; i++) { |
| 1531 | if (btn_key_code[i] != 0) { |
| 1532 | switch (i) { |
| 1533 | case 0: |
| 1534 | type = SND_JACK_BTN_0; |
| 1535 | break; |
| 1536 | case 1: |
| 1537 | type = SND_JACK_BTN_1; |
| 1538 | break; |
| 1539 | case 2: |
| 1540 | type = SND_JACK_BTN_2; |
| 1541 | break; |
| 1542 | case 3: |
| 1543 | type = SND_JACK_BTN_3; |
| 1544 | break; |
| 1545 | case 4: |
| 1546 | type = SND_JACK_BTN_4; |
| 1547 | break; |
| 1548 | case 5: |
| 1549 | type = SND_JACK_BTN_5; |
| 1550 | break; |
| 1551 | default: |
| 1552 | WARN_ONCE(1, "Wrong button number:%d\n", i); |
| 1553 | result = -1; |
| 1554 | return result; |
| 1555 | } |
| 1556 | ret = snd_jack_set_key(mbhc->button_jack.jack, |
| 1557 | type, |
| 1558 | btn_key_code[i]); |
| 1559 | if (ret) { |
| 1560 | pr_err("%s: Failed to set code for %d\n", |
| 1561 | __func__, btn_key_code[i]); |
| 1562 | result = -1; |
| 1563 | return result; |
| 1564 | } |
| 1565 | input_set_capability( |
| 1566 | mbhc->button_jack.jack->input_dev, |
| 1567 | EV_KEY, btn_key_code[i]); |
| 1568 | pr_debug("%s: set btn%d key code:%d\n", __func__, |
| 1569 | i, btn_key_code[i]); |
| 1570 | } |
| 1571 | } |
| 1572 | if (btn_key_code[0]) |
| 1573 | mbhc->is_btn_already_regd = true; |
| 1574 | return result; |
| 1575 | } |
| 1576 | |
Phani Kumar Uppalapati | 8fe0247 | 2018-01-17 18:42:52 -0800 | [diff] [blame] | 1577 | static int wcd_mbhc_usbc_ana_event_handler(struct notifier_block *nb, |
| 1578 | unsigned long mode, void *ptr) |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1579 | { |
Phani Kumar Uppalapati | 8fe0247 | 2018-01-17 18:42:52 -0800 | [diff] [blame] | 1580 | struct wcd_mbhc *mbhc = container_of(nb, struct wcd_mbhc, fsa_nb); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1581 | |
Phani Kumar Uppalapati | 8fe0247 | 2018-01-17 18:42:52 -0800 | [diff] [blame] | 1582 | if (!mbhc) |
| 1583 | return -EINVAL; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1584 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1585 | dev_dbg(mbhc->component->dev, "%s: mode = %lu\n", __func__, mode); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1586 | |
Phani Kumar Uppalapati | 8fe0247 | 2018-01-17 18:42:52 -0800 | [diff] [blame] | 1587 | if (mode == POWER_SUPPLY_TYPEC_SINK_AUDIO_ADAPTER) { |
Karthikeyan Mani | 8d772b0 | 2018-03-21 19:52:32 -0700 | [diff] [blame] | 1588 | if (mbhc->mbhc_cb->clk_setup) |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1589 | mbhc->mbhc_cb->clk_setup(mbhc->component, true); |
Phani Kumar Uppalapati | 8fe0247 | 2018-01-17 18:42:52 -0800 | [diff] [blame] | 1590 | /* insertion detected, enable L_DET_EN */ |
| 1591 | WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_L_DET_EN, 1); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1592 | } |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1593 | return 0; |
| 1594 | } |
| 1595 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1596 | int wcd_mbhc_start(struct wcd_mbhc *mbhc, struct wcd_mbhc_config *mbhc_cfg) |
| 1597 | { |
| 1598 | int rc = 0; |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1599 | struct snd_soc_component *component; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1600 | struct snd_soc_card *card; |
| 1601 | const char *usb_c_dt = "qcom,msm-mbhc-usbc-audio-supported"; |
| 1602 | |
| 1603 | if (!mbhc || !mbhc_cfg) |
| 1604 | return -EINVAL; |
| 1605 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1606 | component = mbhc->component; |
| 1607 | card = component->card; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1608 | |
| 1609 | /* update the mbhc config */ |
| 1610 | mbhc->mbhc_cfg = mbhc_cfg; |
| 1611 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1612 | dev_dbg(mbhc->component->dev, "%s: enter\n", __func__); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1613 | |
| 1614 | /* check if USB C analog is defined on device tree */ |
| 1615 | mbhc_cfg->enable_usbc_analog = 0; |
| 1616 | if (of_find_property(card->dev->of_node, usb_c_dt, NULL)) { |
| 1617 | rc = of_property_read_u32(card->dev->of_node, usb_c_dt, |
| 1618 | &mbhc_cfg->enable_usbc_analog); |
| 1619 | } |
| 1620 | if (mbhc_cfg->enable_usbc_analog == 0 || rc != 0) { |
Phani Kumar Uppalapati | 8fe0247 | 2018-01-17 18:42:52 -0800 | [diff] [blame] | 1621 | dev_dbg(card->dev, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1622 | "%s: %s in dt node is missing or false\n", |
| 1623 | __func__, usb_c_dt); |
Phani Kumar Uppalapati | 8fe0247 | 2018-01-17 18:42:52 -0800 | [diff] [blame] | 1624 | dev_dbg(card->dev, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1625 | "%s: skipping USB c analog configuration\n", __func__); |
| 1626 | } |
| 1627 | |
Phani Kumar Uppalapati | 8fe0247 | 2018-01-17 18:42:52 -0800 | [diff] [blame] | 1628 | /* Parse fsa switch handle */ |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1629 | if (mbhc_cfg->enable_usbc_analog) { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1630 | dev_dbg(mbhc->component->dev, "%s: usbc analog enabled\n", |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1631 | __func__); |
Karthikeyan Mani | 5392d80 | 2017-11-08 20:32:38 -0800 | [diff] [blame] | 1632 | mbhc->swap_thr = GND_MIC_USBC_SWAP_THRESHOLD; |
Phani Kumar Uppalapati | 8fe0247 | 2018-01-17 18:42:52 -0800 | [diff] [blame] | 1633 | mbhc->fsa_np = of_parse_phandle(card->dev->of_node, |
| 1634 | "fsa4480-i2c-handle", 0); |
| 1635 | if (!mbhc->fsa_np) { |
| 1636 | dev_err(card->dev, "%s: fsa4480 i2c node not found\n", |
| 1637 | __func__); |
| 1638 | rc = -EINVAL; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1639 | goto err; |
| 1640 | } |
| 1641 | } |
| 1642 | |
| 1643 | /* Set btn key code */ |
| 1644 | if ((!mbhc->is_btn_already_regd) && wcd_mbhc_set_keycode(mbhc)) |
| 1645 | pr_err("Set btn key code error!!!\n"); |
| 1646 | |
| 1647 | if (!mbhc->mbhc_cfg->read_fw_bin || |
| 1648 | (mbhc->mbhc_cfg->read_fw_bin && mbhc->mbhc_fw) || |
| 1649 | (mbhc->mbhc_cfg->read_fw_bin && mbhc->mbhc_cal)) { |
| 1650 | rc = wcd_mbhc_initialise(mbhc); |
Phani Kumar Uppalapati | 8fe0247 | 2018-01-17 18:42:52 -0800 | [diff] [blame] | 1651 | if (rc) { |
| 1652 | dev_err(card->dev, "%s: wcd mbhc initialize failed\n", |
| 1653 | __func__); |
| 1654 | goto err; |
| 1655 | } |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1656 | } else { |
| 1657 | if (!mbhc->mbhc_fw || !mbhc->mbhc_cal) |
| 1658 | schedule_delayed_work(&mbhc->mbhc_firmware_dwork, |
| 1659 | usecs_to_jiffies(FW_READ_TIMEOUT)); |
| 1660 | else |
| 1661 | pr_err("%s: Skipping to read mbhc fw, 0x%pK %pK\n", |
| 1662 | __func__, mbhc->mbhc_fw, mbhc->mbhc_cal); |
| 1663 | } |
| 1664 | |
Phani Kumar Uppalapati | 8fe0247 | 2018-01-17 18:42:52 -0800 | [diff] [blame] | 1665 | if (mbhc_cfg->enable_usbc_analog) { |
| 1666 | mbhc->fsa_nb.notifier_call = wcd_mbhc_usbc_ana_event_handler; |
| 1667 | mbhc->fsa_nb.priority = 0; |
| 1668 | rc = fsa4480_reg_notifier(&mbhc->fsa_nb, mbhc->fsa_np); |
| 1669 | } |
| 1670 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1671 | return rc; |
| 1672 | err: |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1673 | dev_dbg(mbhc->component->dev, "%s: leave %d\n", __func__, rc); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1674 | return rc; |
| 1675 | } |
| 1676 | EXPORT_SYMBOL(wcd_mbhc_start); |
| 1677 | |
| 1678 | void wcd_mbhc_stop(struct wcd_mbhc *mbhc) |
| 1679 | { |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1680 | pr_debug("%s: enter\n", __func__); |
| 1681 | |
| 1682 | if (mbhc->current_plug != MBHC_PLUG_TYPE_NONE) { |
| 1683 | if (mbhc->mbhc_cb && mbhc->mbhc_cb->skip_imped_detect) |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1684 | mbhc->mbhc_cb->skip_imped_detect(mbhc->component); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1685 | } |
| 1686 | mbhc->current_plug = MBHC_PLUG_TYPE_NONE; |
| 1687 | mbhc->hph_status = 0; |
| 1688 | if (mbhc->mbhc_cb && mbhc->mbhc_cb->irq_control) { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1689 | mbhc->mbhc_cb->irq_control(mbhc->component, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1690 | mbhc->intr_ids->hph_left_ocp, |
| 1691 | false); |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1692 | mbhc->mbhc_cb->irq_control(mbhc->component, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1693 | mbhc->intr_ids->hph_right_ocp, |
| 1694 | false); |
| 1695 | } |
| 1696 | if (mbhc->mbhc_fw || mbhc->mbhc_cal) { |
| 1697 | cancel_delayed_work_sync(&mbhc->mbhc_firmware_dwork); |
| 1698 | if (!mbhc->mbhc_cal) |
| 1699 | release_firmware(mbhc->mbhc_fw); |
| 1700 | mbhc->mbhc_fw = NULL; |
| 1701 | mbhc->mbhc_cal = NULL; |
| 1702 | } |
| 1703 | |
Phani Kumar Uppalapati | 8fe0247 | 2018-01-17 18:42:52 -0800 | [diff] [blame] | 1704 | if (mbhc->mbhc_cfg->enable_usbc_analog) |
| 1705 | fsa4480_unreg_notifier(&mbhc->fsa_nb, mbhc->fsa_np); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1706 | |
| 1707 | pr_debug("%s: leave\n", __func__); |
| 1708 | } |
| 1709 | EXPORT_SYMBOL(wcd_mbhc_stop); |
| 1710 | |
| 1711 | /* |
| 1712 | * wcd_mbhc_init : initialize MBHC internal structures. |
| 1713 | * |
| 1714 | * NOTE: mbhc->mbhc_cfg is not YET configure so shouldn't be used |
| 1715 | */ |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1716 | int wcd_mbhc_init(struct wcd_mbhc *mbhc, struct snd_soc_component *component, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1717 | const struct wcd_mbhc_cb *mbhc_cb, |
| 1718 | const struct wcd_mbhc_intr *mbhc_cdc_intr_ids, |
| 1719 | struct wcd_mbhc_register *wcd_mbhc_regs, |
| 1720 | bool impedance_det_en) |
| 1721 | { |
| 1722 | int ret = 0; |
| 1723 | int hph_swh = 0; |
| 1724 | int gnd_swh = 0; |
| 1725 | u32 hph_moist_config[3]; |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1726 | struct snd_soc_card *card = component->card; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1727 | const char *hph_switch = "qcom,msm-mbhc-hphl-swh"; |
| 1728 | const char *gnd_switch = "qcom,msm-mbhc-gnd-swh"; |
Meng Wang | 4d6a6be | 2017-09-15 10:35:44 +0800 | [diff] [blame] | 1729 | const char *hs_thre = "qcom,msm-mbhc-hs-mic-max-threshold-mv"; |
| 1730 | const char *hph_thre = "qcom,msm-mbhc-hs-mic-min-threshold-mv"; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1731 | |
| 1732 | pr_debug("%s: enter\n", __func__); |
| 1733 | |
| 1734 | ret = of_property_read_u32(card->dev->of_node, hph_switch, &hph_swh); |
| 1735 | if (ret) { |
| 1736 | dev_err(card->dev, |
| 1737 | "%s: missing %s in dt node\n", __func__, hph_switch); |
| 1738 | goto err; |
| 1739 | } |
| 1740 | |
| 1741 | ret = of_property_read_u32(card->dev->of_node, gnd_switch, &gnd_swh); |
| 1742 | if (ret) { |
| 1743 | dev_err(card->dev, |
| 1744 | "%s: missing %s in dt node\n", __func__, gnd_switch); |
| 1745 | goto err; |
| 1746 | } |
| 1747 | |
Meng Wang | 4d6a6be | 2017-09-15 10:35:44 +0800 | [diff] [blame] | 1748 | ret = of_property_read_u32(card->dev->of_node, hs_thre, |
| 1749 | &(mbhc->hs_thr)); |
| 1750 | if (ret) |
| 1751 | dev_dbg(card->dev, |
| 1752 | "%s: missing %s in dt node\n", __func__, hs_thre); |
| 1753 | |
| 1754 | ret = of_property_read_u32(card->dev->of_node, hph_thre, |
| 1755 | &(mbhc->hph_thr)); |
| 1756 | if (ret) |
| 1757 | dev_dbg(card->dev, |
| 1758 | "%s: missing %s in dt node\n", __func__, hph_thre); |
| 1759 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1760 | ret = of_property_read_u32_array(card->dev->of_node, |
| 1761 | "qcom,msm-mbhc-moist-cfg", |
| 1762 | hph_moist_config, 3); |
| 1763 | if (ret) { |
| 1764 | dev_dbg(card->dev, "%s: no qcom,msm-mbhc-moist-cfg in DT\n", |
| 1765 | __func__); |
| 1766 | mbhc->moist_vref = V_45_MV; |
| 1767 | mbhc->moist_iref = I_3P0_UA; |
| 1768 | mbhc->moist_rref = R_24_KOHM; |
| 1769 | } else { |
| 1770 | mbhc->moist_vref = hph_moist_config[0]; |
| 1771 | mbhc->moist_iref = hph_moist_config[1]; |
| 1772 | mbhc->moist_rref = hph_moist_config[2]; |
| 1773 | } |
| 1774 | |
| 1775 | mbhc->in_swch_irq_handler = false; |
| 1776 | mbhc->current_plug = MBHC_PLUG_TYPE_NONE; |
| 1777 | mbhc->is_btn_press = false; |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1778 | mbhc->component = component; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1779 | mbhc->intr_ids = mbhc_cdc_intr_ids; |
| 1780 | mbhc->impedance_detect = impedance_det_en; |
| 1781 | mbhc->hphl_swh = hph_swh; |
| 1782 | mbhc->gnd_swh = gnd_swh; |
| 1783 | mbhc->micbias_enable = false; |
| 1784 | mbhc->mbhc_cb = mbhc_cb; |
| 1785 | mbhc->btn_press_intr = false; |
| 1786 | mbhc->is_hs_recording = false; |
| 1787 | mbhc->is_extn_cable = false; |
| 1788 | mbhc->extn_cable_hph_rem = false; |
| 1789 | mbhc->hph_type = WCD_MBHC_HPH_NONE; |
| 1790 | mbhc->wcd_mbhc_regs = wcd_mbhc_regs; |
Karthikeyan Mani | 5392d80 | 2017-11-08 20:32:38 -0800 | [diff] [blame] | 1791 | mbhc->swap_thr = GND_MIC_SWAP_THRESHOLD; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1792 | |
| 1793 | if (mbhc->intr_ids == NULL) { |
| 1794 | pr_err("%s: Interrupt mapping not provided\n", __func__); |
| 1795 | return -EINVAL; |
| 1796 | } |
| 1797 | if (!mbhc->wcd_mbhc_regs) { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1798 | dev_err(component->dev, "%s: mbhc registers are not defined\n", |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1799 | __func__); |
| 1800 | return -EINVAL; |
| 1801 | } |
| 1802 | |
| 1803 | /* Check if IRQ and other required callbacks are defined or not */ |
| 1804 | if (!mbhc_cb || !mbhc_cb->request_irq || !mbhc_cb->irq_control || |
| 1805 | !mbhc_cb->free_irq || !mbhc_cb->map_btn_code_to_num || |
| 1806 | !mbhc_cb->lock_sleep || !mbhc_cb->mbhc_bias || |
| 1807 | !mbhc_cb->set_btn_thr) { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1808 | dev_err(component->dev, "%s: required mbhc callbacks are not defined\n", |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1809 | __func__); |
| 1810 | return -EINVAL; |
| 1811 | } |
| 1812 | |
| 1813 | /* No need to create new sound card jacks if is is already created */ |
| 1814 | if (mbhc->headset_jack.jack == NULL) { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1815 | ret = snd_soc_card_jack_new(component->card, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1816 | "Headset Jack", WCD_MBHC_JACK_MASK, |
| 1817 | &mbhc->headset_jack, NULL, 0); |
| 1818 | if (ret) { |
| 1819 | pr_err("%s: Failed to create new jack\n", __func__); |
| 1820 | return ret; |
| 1821 | } |
| 1822 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1823 | ret = snd_soc_card_jack_new(component->card, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1824 | "Button Jack", |
| 1825 | WCD_MBHC_JACK_BUTTON_MASK, |
| 1826 | &mbhc->button_jack, NULL, 0); |
| 1827 | if (ret) { |
| 1828 | pr_err("Failed to create new jack\n"); |
| 1829 | return ret; |
| 1830 | } |
| 1831 | |
| 1832 | ret = snd_jack_set_key(mbhc->button_jack.jack, |
| 1833 | SND_JACK_BTN_0, |
| 1834 | KEY_MEDIA); |
| 1835 | if (ret) { |
| 1836 | pr_err("%s: Failed to set code for btn-0\n", |
| 1837 | __func__); |
| 1838 | return ret; |
| 1839 | } |
| 1840 | |
| 1841 | INIT_DELAYED_WORK(&mbhc->mbhc_firmware_dwork, |
| 1842 | wcd_mbhc_fw_read); |
| 1843 | INIT_DELAYED_WORK(&mbhc->mbhc_btn_dwork, wcd_btn_lpress_fn); |
| 1844 | } |
| 1845 | mutex_init(&mbhc->hphl_pa_lock); |
| 1846 | mutex_init(&mbhc->hphr_pa_lock); |
| 1847 | init_completion(&mbhc->btn_press_compl); |
| 1848 | |
| 1849 | /* Register event notifier */ |
| 1850 | mbhc->nblock.notifier_call = wcd_event_notify; |
| 1851 | if (mbhc->mbhc_cb->register_notifier) { |
| 1852 | ret = mbhc->mbhc_cb->register_notifier(mbhc, &mbhc->nblock, |
| 1853 | true); |
| 1854 | if (ret) { |
| 1855 | pr_err("%s: Failed to register notifier %d\n", |
| 1856 | __func__, ret); |
| 1857 | return ret; |
| 1858 | } |
| 1859 | } |
| 1860 | |
| 1861 | init_waitqueue_head(&mbhc->wait_btn_press); |
| 1862 | mutex_init(&mbhc->codec_resource_lock); |
| 1863 | |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 1864 | switch (mbhc->mbhc_detection_logic) { |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1865 | case WCD_DETECTION_LEGACY: |
| 1866 | wcd_mbhc_legacy_init(mbhc); |
| 1867 | break; |
| 1868 | case WCD_DETECTION_ADC: |
| 1869 | wcd_mbhc_adc_init(mbhc); |
| 1870 | break; |
| 1871 | default: |
| 1872 | pr_err("%s: Unknown detection logic type %d\n", |
Asish Bhattacharya | 84f7f73 | 2017-07-25 16:29:27 +0530 | [diff] [blame] | 1873 | __func__, mbhc->mbhc_detection_logic); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1874 | break; |
| 1875 | } |
| 1876 | |
| 1877 | if (!mbhc->mbhc_fn || |
| 1878 | !mbhc->mbhc_fn->wcd_mbhc_hs_ins_irq || |
| 1879 | !mbhc->mbhc_fn->wcd_mbhc_hs_rem_irq || |
| 1880 | !mbhc->mbhc_fn->wcd_mbhc_detect_plug_type || |
| 1881 | !mbhc->mbhc_fn->wcd_cancel_hs_detect_plug) { |
| 1882 | pr_err("%s: mbhc function pointer is NULL\n", __func__); |
| 1883 | goto err_mbhc_sw_irq; |
| 1884 | } |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1885 | ret = mbhc->mbhc_cb->request_irq(component, |
| 1886 | mbhc->intr_ids->mbhc_sw_intr, |
| 1887 | wcd_mbhc_mech_plug_detect_irq, |
| 1888 | "mbhc sw intr", mbhc); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1889 | if (ret) { |
| 1890 | pr_err("%s: Failed to request irq %d, ret = %d\n", __func__, |
| 1891 | mbhc->intr_ids->mbhc_sw_intr, ret); |
| 1892 | goto err_mbhc_sw_irq; |
| 1893 | } |
| 1894 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1895 | ret = mbhc->mbhc_cb->request_irq(component, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1896 | mbhc->intr_ids->mbhc_btn_press_intr, |
| 1897 | wcd_mbhc_btn_press_handler, |
| 1898 | "Button Press detect", mbhc); |
| 1899 | if (ret) { |
| 1900 | pr_err("%s: Failed to request irq %d\n", __func__, |
| 1901 | mbhc->intr_ids->mbhc_btn_press_intr); |
| 1902 | goto err_btn_press_irq; |
| 1903 | } |
| 1904 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1905 | ret = mbhc->mbhc_cb->request_irq(component, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1906 | mbhc->intr_ids->mbhc_btn_release_intr, |
| 1907 | wcd_mbhc_release_handler, |
| 1908 | "Button Release detect", mbhc); |
| 1909 | if (ret) { |
| 1910 | pr_err("%s: Failed to request irq %d\n", __func__, |
| 1911 | mbhc->intr_ids->mbhc_btn_release_intr); |
| 1912 | goto err_btn_release_irq; |
| 1913 | } |
| 1914 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1915 | ret = mbhc->mbhc_cb->request_irq(component, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1916 | mbhc->intr_ids->mbhc_hs_ins_intr, |
| 1917 | mbhc->mbhc_fn->wcd_mbhc_hs_ins_irq, |
| 1918 | "Elect Insert", mbhc); |
| 1919 | if (ret) { |
| 1920 | pr_err("%s: Failed to request irq %d\n", __func__, |
| 1921 | mbhc->intr_ids->mbhc_hs_ins_intr); |
| 1922 | goto err_mbhc_hs_ins_irq; |
| 1923 | } |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1924 | mbhc->mbhc_cb->irq_control(component, mbhc->intr_ids->mbhc_hs_ins_intr, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1925 | false); |
| 1926 | clear_bit(WCD_MBHC_ELEC_HS_INS, &mbhc->intr_status); |
| 1927 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1928 | ret = mbhc->mbhc_cb->request_irq(component, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1929 | mbhc->intr_ids->mbhc_hs_rem_intr, |
| 1930 | mbhc->mbhc_fn->wcd_mbhc_hs_rem_irq, |
| 1931 | "Elect Remove", mbhc); |
| 1932 | if (ret) { |
| 1933 | pr_err("%s: Failed to request irq %d\n", __func__, |
| 1934 | mbhc->intr_ids->mbhc_hs_rem_intr); |
| 1935 | goto err_mbhc_hs_rem_irq; |
| 1936 | } |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1937 | mbhc->mbhc_cb->irq_control(component, mbhc->intr_ids->mbhc_hs_rem_intr, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1938 | false); |
| 1939 | clear_bit(WCD_MBHC_ELEC_HS_REM, &mbhc->intr_status); |
| 1940 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1941 | ret = mbhc->mbhc_cb->request_irq(component, |
| 1942 | mbhc->intr_ids->hph_left_ocp, |
| 1943 | wcd_mbhc_hphl_ocp_irq, "HPH_L OCP detect", |
| 1944 | mbhc); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1945 | if (ret) { |
| 1946 | pr_err("%s: Failed to request irq %d\n", __func__, |
| 1947 | mbhc->intr_ids->hph_left_ocp); |
| 1948 | goto err_hphl_ocp_irq; |
| 1949 | } |
| 1950 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1951 | ret = mbhc->mbhc_cb->request_irq(component, |
| 1952 | mbhc->intr_ids->hph_right_ocp, |
| 1953 | wcd_mbhc_hphr_ocp_irq, "HPH_R OCP detect", |
| 1954 | mbhc); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1955 | if (ret) { |
| 1956 | pr_err("%s: Failed to request irq %d\n", __func__, |
| 1957 | mbhc->intr_ids->hph_right_ocp); |
| 1958 | goto err_hphr_ocp_irq; |
| 1959 | } |
| 1960 | |
Karthikeyan Mani | 3dd07e6 | 2018-06-28 18:25:08 -0700 | [diff] [blame] | 1961 | mbhc->deinit_in_progress = false; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1962 | pr_debug("%s: leave ret %d\n", __func__, ret); |
| 1963 | return ret; |
| 1964 | |
| 1965 | err_hphr_ocp_irq: |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1966 | mbhc->mbhc_cb->free_irq(component, mbhc->intr_ids->hph_left_ocp, mbhc); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1967 | err_hphl_ocp_irq: |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1968 | mbhc->mbhc_cb->free_irq(component, mbhc->intr_ids->mbhc_hs_rem_intr, |
| 1969 | mbhc); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1970 | err_mbhc_hs_rem_irq: |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1971 | mbhc->mbhc_cb->free_irq(component, mbhc->intr_ids->mbhc_hs_ins_intr, |
| 1972 | mbhc); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1973 | err_mbhc_hs_ins_irq: |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1974 | mbhc->mbhc_cb->free_irq(component, |
| 1975 | mbhc->intr_ids->mbhc_btn_release_intr, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1976 | mbhc); |
| 1977 | err_btn_release_irq: |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1978 | mbhc->mbhc_cb->free_irq(component, mbhc->intr_ids->mbhc_btn_press_intr, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1979 | mbhc); |
| 1980 | err_btn_press_irq: |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1981 | mbhc->mbhc_cb->free_irq(component, mbhc->intr_ids->mbhc_sw_intr, mbhc); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1982 | err_mbhc_sw_irq: |
| 1983 | if (mbhc->mbhc_cb->register_notifier) |
| 1984 | mbhc->mbhc_cb->register_notifier(mbhc, &mbhc->nblock, false); |
| 1985 | mutex_destroy(&mbhc->codec_resource_lock); |
| 1986 | err: |
| 1987 | pr_debug("%s: leave ret %d\n", __func__, ret); |
| 1988 | return ret; |
| 1989 | } |
| 1990 | EXPORT_SYMBOL(wcd_mbhc_init); |
| 1991 | |
| 1992 | void wcd_mbhc_deinit(struct wcd_mbhc *mbhc) |
| 1993 | { |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1994 | struct snd_soc_component *component = mbhc->component; |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1995 | |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1996 | mbhc->mbhc_cb->free_irq(component, mbhc->intr_ids->mbhc_sw_intr, mbhc); |
| 1997 | mbhc->mbhc_cb->free_irq(component, mbhc->intr_ids->mbhc_btn_press_intr, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 1998 | mbhc); |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 1999 | mbhc->mbhc_cb->free_irq(component, |
| 2000 | mbhc->intr_ids->mbhc_btn_release_intr, |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2001 | mbhc); |
Meng Wang | 15c825d | 2018-09-06 10:49:18 +0800 | [diff] [blame] | 2002 | mbhc->mbhc_cb->free_irq(component, mbhc->intr_ids->mbhc_hs_ins_intr, |
| 2003 | mbhc); |
| 2004 | mbhc->mbhc_cb->free_irq(component, mbhc->intr_ids->mbhc_hs_rem_intr, |
| 2005 | mbhc); |
| 2006 | mbhc->mbhc_cb->free_irq(component, mbhc->intr_ids->hph_left_ocp, mbhc); |
| 2007 | mbhc->mbhc_cb->free_irq(component, mbhc->intr_ids->hph_right_ocp, mbhc); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2008 | if (mbhc->mbhc_cb && mbhc->mbhc_cb->register_notifier) |
| 2009 | mbhc->mbhc_cb->register_notifier(mbhc, &mbhc->nblock, false); |
| 2010 | if (mbhc->mbhc_fn->wcd_cancel_hs_detect_plug) { |
| 2011 | WCD_MBHC_RSC_LOCK(mbhc); |
| 2012 | mbhc->mbhc_fn->wcd_cancel_hs_detect_plug(mbhc, |
| 2013 | &mbhc->correct_plug_swch); |
| 2014 | WCD_MBHC_RSC_UNLOCK(mbhc); |
| 2015 | } |
| 2016 | mutex_destroy(&mbhc->codec_resource_lock); |
| 2017 | mutex_destroy(&mbhc->hphl_pa_lock); |
| 2018 | mutex_destroy(&mbhc->hphr_pa_lock); |
| 2019 | } |
| 2020 | EXPORT_SYMBOL(wcd_mbhc_deinit); |
| 2021 | |
Laxminath Kasam | 8b1366a | 2017-10-05 01:44:16 +0530 | [diff] [blame] | 2022 | static int __init mbhc_init(void) |
| 2023 | { |
| 2024 | return 0; |
| 2025 | } |
| 2026 | |
| 2027 | static void __exit mbhc_exit(void) |
| 2028 | { |
| 2029 | } |
| 2030 | |
| 2031 | module_init(mbhc_init); |
| 2032 | module_exit(mbhc_exit); |
| 2033 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2034 | MODULE_DESCRIPTION("wcd MBHC v2 module"); |
| 2035 | MODULE_LICENSE("GPL v2"); |