// SPDX-License-Identifier: GPL-2.0-or-later /* * HD audio interface patch for Cirrus Logic CS8409 HDA bridge chip * * Copyright (C) 2021 Cirrus Logic, Inc. and * Cirrus Logic International Semiconductor Ltd. */ #include #include #include #include #include #include #include "patch_cs8409.h" /****************************************************************************** * CS8409 Specific Functions ******************************************************************************/ static int cs8409_parse_auto_config(struct hda_codec *codec) { struct cs8409_spec *spec = codec->spec; int err; int i; err = snd_hda_parse_pin_defcfg(codec, &spec->gen.autocfg, NULL, 0); if (err < 0) return err; err = snd_hda_gen_parse_auto_config(codec, &spec->gen.autocfg); if (err < 0) return err; /* keep the ADCs powered up when it's dynamically switchable */ if (spec->gen.dyn_adc_switch) { unsigned int done = 0; for (i = 0; i < spec->gen.input_mux.num_items; i++) { int idx = spec->gen.dyn_adc_idx[i]; if (done & (1 << idx)) continue; snd_hda_gen_fix_pin_power(codec, spec->gen.adc_nids[idx]); done |= 1 << idx; } } return 0; } static void cs8409_disable_i2c_clock_worker(struct work_struct *work); static struct cs8409_spec *cs8409_alloc_spec(struct hda_codec *codec) { struct cs8409_spec *spec; spec = kzalloc(sizeof(*spec), GFP_KERNEL); if (!spec) return NULL; codec->spec = spec; spec->codec = codec; codec->power_save_node = 1; mutex_init(&spec->i2c_mux); INIT_DELAYED_WORK(&spec->i2c_clk_work, cs8409_disable_i2c_clock_worker); snd_hda_gen_spec_init(&spec->gen); return spec; } static inline int cs8409_vendor_coef_get(struct hda_codec *codec, unsigned int idx) { snd_hda_codec_write(codec, CS8409_PIN_VENDOR_WIDGET, 0, AC_VERB_SET_COEF_INDEX, idx); return snd_hda_codec_read(codec, CS8409_PIN_VENDOR_WIDGET, 0, AC_VERB_GET_PROC_COEF, 0); } static inline void cs8409_vendor_coef_set(struct hda_codec *codec, unsigned int idx, unsigned int coef) { snd_hda_codec_write(codec, CS8409_PIN_VENDOR_WIDGET, 0, AC_VERB_SET_COEF_INDEX, idx); snd_hda_codec_write(codec, CS8409_PIN_VENDOR_WIDGET, 0, AC_VERB_SET_PROC_COEF, coef); } /* * cs8409_enable_i2c_clock - Disable I2C clocks * @codec: the codec instance * Disable I2C clocks. * This must be called when the i2c mutex is unlocked. */ static void cs8409_disable_i2c_clock(struct hda_codec *codec) { struct cs8409_spec *spec = codec->spec; mutex_lock(&spec->i2c_mux); if (spec->i2c_clck_enabled) { cs8409_vendor_coef_set(spec->codec, 0x0, cs8409_vendor_coef_get(spec->codec, 0x0) & 0xfffffff7); spec->i2c_clck_enabled = 0; } mutex_unlock(&spec->i2c_mux); } /* * cs8409_disable_i2c_clock_worker - Worker that disable the I2C Clock after 25ms without use */ static void cs8409_disable_i2c_clock_worker(struct work_struct *work) { struct cs8409_spec *spec = container_of(work, struct cs8409_spec, i2c_clk_work.work); cs8409_disable_i2c_clock(spec->codec); } /* * cs8409_enable_i2c_clock - Enable I2C clocks * @codec: the codec instance * Enable I2C clocks. * This must be called when the i2c mutex is locked. */ static void cs8409_enable_i2c_clock(struct hda_codec *codec) { struct cs8409_spec *spec = codec->spec; /* Cancel the disable timer, but do not wait for any running disable functions to finish. * If the disable timer runs out before cancel, the delayed work thread will be blocked, * waiting for the mutex to become unlocked. This mutex will be locked for the duration of * any i2c transaction, so the disable function will run to completion immediately * afterwards in the scenario. The next enable call will re-enable the clock, regardless. */ cancel_delayed_work(&spec->i2c_clk_work); if (!spec->i2c_clck_enabled) { cs8409_vendor_coef_set(codec, 0x0, cs8409_vendor_coef_get(codec, 0x0) | 0x8); spec->i2c_clck_enabled = 1; } queue_delayed_work(system_power_efficient_wq, &spec->i2c_clk_work, msecs_to_jiffies(25)); } /** * cs8409_i2c_wait_complete - Wait for I2C transaction * @codec: the codec instance * * Wait for I2C transaction to complete. * Return -ETIMEDOUT if transaction wait times out. */ static int cs8409_i2c_wait_complete(struct hda_codec *codec) { unsigned int retval; return read_poll_timeout(cs8409_vendor_coef_get, retval, retval & 0x18, CS42L42_I2C_SLEEP_US, CS42L42_I2C_TIMEOUT_US, false, codec, CS8409_I2C_STS); } /** * cs8409_set_i2c_dev_addr - Set i2c address for transaction * @codec: the codec instance * @addr: I2C Address */ static void cs8409_set_i2c_dev_addr(struct hda_codec *codec, unsigned int addr) { struct cs8409_spec *spec = codec->spec; if (spec->dev_addr != addr) { cs8409_vendor_coef_set(codec, CS8409_I2C_ADDR, addr); spec->dev_addr = addr; } } /** * cs8409_i2c_set_page - CS8409 I2C set page register. * @scodec: the codec instance * @i2c_reg: Page register * * Returns negative on error. */ static int cs8409_i2c_set_page(struct sub_codec *scodec, unsigned int i2c_reg) { struct hda_codec *codec = scodec->codec; if (scodec->paged && (scodec->last_page != (i2c_reg >> 8))) { cs8409_vendor_coef_set(codec, CS8409_I2C_QWRITE, i2c_reg >> 8); if (cs8409_i2c_wait_complete(codec) < 0) return -EIO; scodec->last_page = i2c_reg >> 8; } return 0; } /** * cs8409_i2c_read - CS8409 I2C Read. * @scodec: the codec instance * @addr: Register to read * * Returns negative on error, otherwise returns read value in bits 0-7. */ static int cs8409_i2c_read(struct sub_codec *scodec, unsigned int addr) { struct hda_codec *codec = scodec->codec; struct cs8409_spec *spec = codec->spec; unsigned int i2c_reg_data; unsigned int read_data; if (scodec->suspended) return -EPERM; mutex_lock(&spec->i2c_mux); cs8409_enable_i2c_clock(codec); cs8409_set_i2c_dev_addr(codec, scodec->addr); if (cs8409_i2c_set_page(scodec, addr)) goto error; i2c_reg_data = (addr << 8) & 0x0ffff; cs8409_vendor_coef_set(codec, CS8409_I2C_QREAD, i2c_reg_data); if (cs8409_i2c_wait_complete(codec) < 0) goto error; /* Register in bits 15-8 and the data in 7-0 */ read_data = cs8409_vendor_coef_get(codec, CS8409_I2C_QREAD); mutex_unlock(&spec->i2c_mux); return read_data & 0x0ff; error: mutex_unlock(&spec->i2c_mux); codec_err(codec, "%s() Failed 0x%02x : 0x%04x\n", __func__, scodec->addr, addr); return -EIO; } /** * cs8409_i2c_bulk_read - CS8409 I2C Read Sequence. * @scodec: the codec instance * @seq: Register Sequence to read * @count: Number of registeres to read * * Returns negative on error, values are read into value element of cs8409_i2c_param sequence. */ static int cs8409_i2c_bulk_read(struct sub_codec *scodec, struct cs8409_i2c_param *seq, int count) { struct hda_codec *codec = scodec->codec; struct cs8409_spec *spec = codec->spec; unsigned int i2c_reg_data; int i; if (scodec->suspended) return -EPERM; mutex_lock(&spec->i2c_mux); cs8409_set_i2c_dev_addr(codec, scodec->addr); for (i = 0; i < count; i++) { cs8409_enable_i2c_clock(codec); if (cs8409_i2c_set_page(scodec, seq[i].addr)) goto error; i2c_reg_data = (seq[i].addr << 8) & 0x0ffff; cs8409_vendor_coef_set(codec, CS8409_I2C_QREAD, i2c_reg_data); if (cs8409_i2c_wait_complete(codec) < 0) goto error; seq[i].value = cs8409_vendor_coef_get(codec, CS8409_I2C_QREAD) & 0xff; } mutex_unlock(&spec->i2c_mux); return 0; error: mutex_unlock(&spec->i2c_mux); codec_err(codec, "I2C Bulk Write Failed 0x%02x\n", scodec->addr); return -EIO; } /** * cs8409_i2c_write - CS8409 I2C Write. * @scodec: the codec instance * @addr: Register to write to * @value: Data to write * * Returns negative on error, otherwise returns 0. */ static int cs8409_i2c_write(struct sub_codec *scodec, unsigned int addr, unsigned int value) { struct hda_codec *codec = scodec->codec; struct cs8409_spec *spec = codec->spec; unsigned int i2c_reg_data; if (scodec->suspended) return -EPERM; mutex_lock(&spec->i2c_mux); cs8409_enable_i2c_clock(codec); cs8409_set_i2c_dev_addr(codec, scodec->addr); if (cs8409_i2c_set_page(scodec, addr)) goto error; i2c_reg_data = ((addr << 8) & 0x0ff00) | (value & 0x0ff); cs8409_vendor_coef_set(codec, CS8409_I2C_QWRITE, i2c_reg_data); if (cs8409_i2c_wait_complete(codec) < 0) goto error; mutex_unlock(&spec->i2c_mux); return 0; error: mutex_unlock(&spec->i2c_mux); codec_err(codec, "%s() Failed 0x%02x : 0x%04x\n", __func__, scodec->addr, addr); return -EIO; } /** * cs8409_i2c_bulk_write - CS8409 I2C Write Sequence. * @scodec: the codec instance * @seq: Register Sequence to write * @count: Number of registeres to write * * Returns negative on error. */ static int cs8409_i2c_bulk_write(struct sub_codec *scodec, const struct cs8409_i2c_param *seq, int count) { struct hda_codec *codec = scodec->codec; struct cs8409_spec *spec = codec->spec; unsigned int i2c_reg_data; int i; if (scodec->suspended) return -EPERM; mutex_lock(&spec->i2c_mux); cs8409_set_i2c_dev_addr(codec, scodec->addr); for (i = 0; i < count; i++) { cs8409_enable_i2c_clock(codec); if (cs8409_i2c_set_page(scodec, seq[i].addr)) goto error; i2c_reg_data = ((seq[i].addr << 8) & 0x0ff00) | (seq[i].value & 0x0ff); cs8409_vendor_coef_set(codec, CS8409_I2C_QWRITE, i2c_reg_data); if (cs8409_i2c_wait_complete(codec) < 0) goto error; } mutex_unlock(&spec->i2c_mux); return 0; error: mutex_unlock(&spec->i2c_mux); codec_err(codec, "I2C Bulk Write Failed 0x%02x\n", scodec->addr); return -EIO; } static int cs8409_init(struct hda_codec *codec) { int ret = snd_hda_gen_init(codec); if (!ret) snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_INIT); return ret; } static int cs8409_build_controls(struct hda_codec *codec) { int err; err = snd_hda_gen_build_controls(codec); if (err < 0) return err; snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_BUILD); return 0; } /* Enable/Disable Unsolicited Response */ static void cs8409_enable_ur(struct hda_codec *codec, int flag) { struct cs8409_spec *spec = codec->spec; unsigned int ur_gpios = 0; int i; for (i = 0; i < spec->num_scodecs; i++) ur_gpios |= spec->scodecs[i]->irq_mask; snd_hda_codec_write(codec, CS8409_PIN_AFG, 0, AC_VERB_SET_GPIO_UNSOLICITED_RSP_MASK, flag ? ur_gpios : 0); snd_hda_codec_write(codec, CS8409_PIN_AFG, 0, AC_VERB_SET_UNSOLICITED_ENABLE, flag ? AC_UNSOL_ENABLED : 0); } static void cs8409_fix_caps(struct hda_codec *codec, unsigned int nid) { int caps; /* CS8409 is simple HDA bridge and intended to be used with a remote * companion codec. Most of input/output PIN(s) have only basic * capabilities. Receive and Transmit NID(s) have only OUTC and INC * capabilities and no presence detect capable (PDC) and call to * snd_hda_gen_build_controls() will mark them as non detectable * phantom jacks. However, a companion codec may be * connected to these pins which supports jack detect * capabilities. We have to override pin capabilities, * otherwise they will not be created as input devices. */ caps = snd_hdac_read_parm(&codec->core, nid, AC_PAR_PIN_CAP); if (caps >= 0) snd_hdac_override_parm(&codec->core, nid, AC_PAR_PIN_CAP, (caps | (AC_PINCAP_IMP_SENSE | AC_PINCAP_PRES_DETECT))); snd_hda_override_wcaps(codec, nid, (get_wcaps(codec, nid) | AC_WCAP_UNSOL_CAP)); } /****************************************************************************** * CS42L42 Specific Functions ******************************************************************************/ int cs42l42_volume_info(struct snd_kcontrol *kctrl, struct snd_ctl_elem_info *uinfo) { unsigned int ofs = get_amp_offset(kctrl); u8 chs = get_amp_channels(kctrl); uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->value.integer.step = 1; uinfo->count = chs == 3 ? 2 : 1; switch (ofs) { case CS42L42_VOL_DAC: uinfo->value.integer.min = CS42L42_HP_VOL_REAL_MIN; uinfo->value.integer.max = CS42L42_HP_VOL_REAL_MAX; break; case CS42L42_VOL_ADC: uinfo->value.integer.min = CS42L42_AMIC_VOL_REAL_MIN; uinfo->value.integer.max = CS42L42_AMIC_VOL_REAL_MAX; break; default: break; } return 0; } int cs42l42_volume_get(struct snd_kcontrol *kctrl, struct snd_ctl_elem_value *uctrl) { struct hda_codec *codec = snd_kcontrol_chip(kctrl); struct cs8409_spec *spec = codec->spec; struct sub_codec *cs42l42 = spec->scodecs[get_amp_index(kctrl)]; int chs = get_amp_channels(kctrl); unsigned int ofs = get_amp_offset(kctrl); long *valp = uctrl->value.integer.value; switch (ofs) { case CS42L42_VOL_DAC: if (chs & BIT(0)) *valp++ = cs42l42->vol[ofs]; if (chs & BIT(1)) *valp = cs42l42->vol[ofs+1]; break; case CS42L42_VOL_ADC: if (chs & BIT(0)) *valp = cs42l42->vol[ofs]; break; default: break; } return 0; } static void cs42l42_mute(struct sub_codec *cs42l42, int vol_type, unsigned int chs, bool mute) { if (mute) { if (vol_type == CS42L42_VOL_DAC) { if (chs & BIT(0)) cs8409_i2c_write(cs42l42, CS42L42_REG_HS_VOL_CHA, 0x3f); if (chs & BIT(1)) cs8409_i2c_write(cs42l42, CS42L42_REG_HS_VOL_CHB, 0x3f); } else if (vol_type == CS42L42_VOL_ADC) { if (chs & BIT(0)) cs8409_i2c_write(cs42l42, CS42L42_REG_AMIC_VOL, 0x9f); } } else { if (vol_type == CS42L42_VOL_DAC) { if (chs & BIT(0)) cs8409_i2c_write(cs42l42, CS42L42_REG_HS_VOL_CHA, -(cs42l42->vol[CS42L42_DAC_CH0_VOL_OFFSET]) & CS42L42_REG_HS_VOL_MASK); if (chs & BIT(1)) cs8409_i2c_write(cs42l42, CS42L42_REG_HS_VOL_CHB, -(cs42l42->vol[CS42L42_DAC_CH1_VOL_OFFSET]) & CS42L42_REG_HS_VOL_MASK); } else if (vol_type == CS42L42_VOL_ADC) { if (chs & BIT(0)) cs8409_i2c_write(cs42l42, CS42L42_REG_AMIC_VOL, cs42l42->vol[CS42L42_ADC_VOL_OFFSET] & CS42L42_REG_AMIC_VOL_MASK); } } } int cs42l42_volume_put(struct snd_kcontrol *kctrl, struct snd_ctl_elem_value *uctrl) { struct hda_codec *codec = snd_kcontrol_chip(kctrl); struct cs8409_spec *spec = codec->spec; struct sub_codec *cs42l42 = spec->scodecs[get_amp_index(kctrl)]; int chs = get_amp_channels(kctrl); unsigned int ofs = get_amp_offset(kctrl); long *valp = uctrl->value.integer.value; switch (ofs) { case CS42L42_VOL_DAC: if (chs & BIT(0)) cs42l42->vol[ofs] = *valp; if (chs & BIT(1)) { valp++; cs42l42->vol[ofs + 1] = *valp; } if (spec->playback_started) cs42l42_mute(cs42l42, CS42L42_VOL_DAC, chs, false); break; case CS42L42_VOL_ADC: if (chs & BIT(0)) cs42l42->vol[ofs] = *valp; if (spec->capture_started) cs42l42_mute(cs42l42, CS42L42_VOL_ADC, chs, false); break; default: break; } return 0; } static void cs42l42_playback_pcm_hook(struct hda_pcm_stream *hinfo, struct hda_codec *codec, struct snd_pcm_substream *substream, int action) { struct cs8409_spec *spec = codec->spec; struct sub_codec *cs42l42; int i; bool mute; switch (action) { case HDA_GEN_PCM_ACT_PREPARE: mute = false; spec->playback_started = 1; break; case HDA_GEN_PCM_ACT_CLEANUP: mute = true; spec->playback_started = 0; break; default: return; } for (i = 0; i < spec->num_scodecs; i++) { cs42l42 = spec->scodecs[i]; cs42l42_mute(cs42l42, CS42L42_VOL_DAC, 0x3, mute); } } static void cs42l42_capture_pcm_hook(struct hda_pcm_stream *hinfo, struct hda_codec *codec, struct snd_pcm_substream *substream, int action) { struct cs8409_spec *spec = codec->spec; struct sub_codec *cs42l42; int i; bool mute; switch (action) { case HDA_GEN_PCM_ACT_PREPARE: mute = false; spec->capture_started = 1; break; case HDA_GEN_PCM_ACT_CLEANUP: mute = true; spec->capture_started = 0; break; default: return; } for (i = 0; i < spec->num_scodecs; i++) { cs42l42 = spec->scodecs[i]; cs42l42_mute(cs42l42, CS42L42_VOL_ADC, 0x3, mute); } } /* Configure CS42L42 slave codec for jack autodetect */ static void cs42l42_enable_jack_detect(struct sub_codec *cs42l42) { cs8409_i2c_write(cs42l42, 0x1b70, cs42l42->hsbias_hiz); /* Clear WAKE# */ cs8409_i2c_write(cs42l42, 0x1b71, 0x00C1); /* Wait ~2.5ms */ usleep_range(2500, 3000); /* Set mode WAKE# output follows the combination logic directly */ cs8409_i2c_write(cs42l42, 0x1b71, 0x00C0); /* Clear interrupts status */ cs8409_i2c_read(cs42l42, 0x130f); /* Enable interrupt */ cs8409_i2c_write(cs42l42, 0x1320, 0xF3); } /* Enable and run CS42L42 slave codec jack auto detect */ static void cs42l42_run_jack_detect(struct sub_codec *cs42l42) { /* Clear interrupts */ cs8409_i2c_read(cs42l42, 0x1308); cs8409_i2c_read(cs42l42, 0x1b77); cs8409_i2c_write(cs42l42, 0x1320, 0xFF); cs8409_i2c_read(cs42l42, 0x130f); cs8409_i2c_write(cs42l42, 0x1102, 0x87); cs8409_i2c_write(cs42l42, 0x1f06, 0x86); cs8409_i2c_write(cs42l42, 0x1b74, 0x07); cs8409_i2c_write(cs42l42, 0x131b, 0xFD); cs8409_i2c_write(cs42l42, 0x1120, 0x80); /* Wait ~20ms*/ usleep_range(20000, 25000); cs8409_i2c_write(cs42l42, 0x111f, 0x77); cs8409_i2c_write(cs42l42, 0x1120, 0xc0); } static int cs42l42_handle_tip_sense(struct sub_codec *cs42l42, unsigned int reg_ts_status) { int status_changed = cs42l42->force_status_change; cs42l42->force_status_change = 0; /* TIP_SENSE INSERT/REMOVE */ switch (reg_ts_status) { case CS42L42_JACK_INSERTED: if (!cs42l42->hp_jack_in) { if (cs42l42->no_type_dect) { status_changed = 1; cs42l42->hp_jack_in = 1; cs42l42->mic_jack_in = 0; } else { cs42l42_run_jack_detect(cs42l42); } } break; case CS42L42_JACK_REMOVED: if (cs42l42->hp_jack_in || cs42l42->mic_jack_in) { status_changed = 1; cs42l42->hp_jack_in = 0; cs42l42->mic_jack_in = 0; } break; default: /* jack in transition */ break; } return status_changed; } static int cs42l42_jack_unsol_event(struct sub_codec *cs42l42) { int status_changed = 0; int reg_cdc_status; int reg_hs_status; int reg_ts_status; int type; /* Read jack detect status registers */ reg_cdc_status = cs8409_i2c_read(cs42l42, 0x1308); reg_hs_status = cs8409_i2c_read(cs42l42, 0x1124); reg_ts_status = cs8409_i2c_read(cs42l42, 0x130f); /* If status values are < 0, read error has occurred. */ if (reg_cdc_status < 0 || reg_hs_status < 0 || reg_ts_status < 0) return -EIO; /* HSDET_AUTO_DONE */ if (reg_cdc_status & CS42L42_HSDET_AUTO_DONE) { /* Disable HSDET_AUTO_DONE */ cs8409_i2c_write(cs42l42, 0x131b, 0xFF); type = ((reg_hs_status & CS42L42_HSTYPE_MASK) + 1); if (cs42l42->no_type_dect) { status_changed = cs42l42_handle_tip_sense(cs42l42, reg_ts_status); } else if (type == 4) { /* Type 4 not supported */ status_changed = cs42l42_handle_tip_sense(cs42l42, CS42L42_JACK_REMOVED); } else { if (!cs42l42->hp_jack_in) { status_changed = 1; cs42l42->hp_jack_in = 1; } /* type = 3 has no mic */ if ((!cs42l42->mic_jack_in) && (type != 3)) { status_changed = 1; cs42l42->mic_jack_in = 1; } } /* Configure the HSDET mode. */ cs8409_i2c_write(cs42l42, 0x1120, 0x80); /* Enable the HPOUT ground clamp and configure the HP pull-down */ cs8409_i2c_write(cs42l42, 0x1F06, 0x02); /* Re-Enable Tip Sense Interrupt */ cs8409_i2c_write(cs42l42, 0x1320, 0xF3); } else { status_changed = cs42l42_handle_tip_sense(cs42l42, reg_ts_status); } return status_changed; } static void cs42l42_resume(struct sub_codec *cs42l42) { struct hda_codec *codec = cs42l42->codec; unsigned int gpio_data; struct cs8409_i2c_param irq_regs[] = { { 0x1308, 0x00 }, { 0x1309, 0x00 }, { 0x130A, 0x00 }, { 0x130F, 0x00 }, }; /* Bring CS42L42 out of Reset */ gpio_data = snd_hda_codec_read(codec, CS8409_PIN_AFG, 0, AC_VERB_GET_GPIO_DATA, 0); gpio_data |= cs42l42->reset_gpio; snd_hda_codec_write(codec, CS8409_PIN_AFG, 0, AC_VERB_SET_GPIO_DATA, gpio_data); usleep_range(10000, 15000); cs42l42->suspended = 0; /* Initialize CS42L42 companion codec */ cs8409_i2c_bulk_write(cs42l42, cs42l42->init_seq, cs42l42->init_seq_num); usleep_range(20000, 25000); /* Clear interrupts, by reading interrupt status registers */ cs8409_i2c_bulk_read(cs42l42, irq_regs, ARRAY_SIZE(irq_regs)); if (cs42l42->full_scale_vol) cs8409_i2c_write(cs42l42, 0x2001, 0x01); /* we have to explicitly allow unsol event handling even during the * resume phase so that the jack event is processed properly */ snd_hda_codec_allow_unsol_events(cs42l42->codec); cs42l42_enable_jack_detect(cs42l42); } #ifdef CONFIG_PM static void cs42l42_suspend(struct sub_codec *cs42l42) { struct hda_codec *codec = cs42l42->codec; unsigned int gpio_data; int reg_cdc_status = 0; const struct cs8409_i2c_param cs42l42_pwr_down_seq[] = { { 0x1F06, 0x02 }, { 0x1129, 0x00 }, { 0x2301, 0x3F }, { 0x2302, 0x3F }, { 0x2303, 0x3F }, { 0x2001, 0x0F }, { 0x2A01, 0x00 }, { 0x1207, 0x00 }, { 0x1101, 0xFE }, { 0x1102, 0x8C }, { 0x1101, 0xFF }, }; cs8409_i2c_bulk_write(cs42l42, cs42l42_pwr_down_seq, ARRAY_SIZE(cs42l42_pwr_down_seq)); if (read_poll_timeout(cs8409_i2c_read, reg_cdc_status, (reg_cdc_status & 0x1), CS42L42_PDN_SLEEP_US, CS42L42_PDN_TIMEOUT_US, true, cs42l42, 0x1308) < 0) codec_warn(codec, "Timeout waiting for PDN_DONE for CS42L42\n"); /* Power down CS42L42 ASP/EQ/MIX/HP */ cs8409_i2c_write(cs42l42, 0x1102, 0x9C); cs42l42->suspended = 1; cs42l42->last_page = 0; cs42l42->hp_jack_in = 0; cs42l42->mic_jack_in = 0; cs42l42->force_status_change = 1; /* Put CS42L42 into Reset */ gpio_data = snd_hda_codec_read(codec, CS8409_PIN_AFG, 0, AC_VERB_GET_GPIO_DATA, 0); gpio_data &= ~cs42l42->reset_gpio; snd_hda_codec_write(codec, CS8409_PIN_AFG, 0, AC_VERB_SET_GPIO_DATA, gpio_data); } #endif static void cs8409_free(struct hda_codec *codec) { struct cs8409_spec *spec = codec->spec; /* Cancel i2c clock disable timer, and disable clock if left enabled */ cancel_delayed_work_sync(&spec->i2c_clk_work); cs8409_disable_i2c_clock(codec); snd_hda_gen_free(codec); } /****************************************************************************** * BULLSEYE / WARLOCK / CYBORG Specific Functions * CS8409/CS42L42 ******************************************************************************/ /* * In the case of CS8409 we do not have unsolicited events from NID's 0x24 * and 0x34 where hs mic and hp are connected. Companion codec CS42L42 will * generate interrupt via gpio 4 to notify jack events. We have to overwrite * generic snd_hda_jack_unsol_event(), read CS42L42 jack detect status registers * and then notify status via generic snd_hda_jack_unsol_event() call. */ static void cs8409_cs42l42_jack_unsol_event(struct hda_codec *codec, unsigned int res) { struct cs8409_spec *spec = codec->spec; struct sub_codec *cs42l42 = spec->scodecs[CS8409_CODEC0]; struct hda_jack_tbl *jk; /* jack_unsol_event() will be called every time gpio line changing state. * In this case gpio4 line goes up as a result of reading interrupt status * registers in previous cs8409_jack_unsol_event() call. * We don't need to handle this event, ignoring... */ if (res & cs42l42->irq_mask) return; if (cs42l42_jack_unsol_event(cs42l42)) { snd_hda_set_pin_ctl(codec, CS8409_CS42L42_SPK_PIN_NID, cs42l42->hp_jack_in ? 0 : PIN_OUT); /* Report jack*/ jk = snd_hda_jack_tbl_get_mst(codec, CS8409_CS42L42_HP_PIN_NID, 0); if (jk) snd_hda_jack_unsol_event(codec, (jk->tag << AC_UNSOL_RES_TAG_SHIFT) & AC_UNSOL_RES_TAG); /* Report jack*/ jk = snd_hda_jack_tbl_get_mst(codec, CS8409_CS42L42_AMIC_PIN_NID, 0); if (jk) snd_hda_jack_unsol_event(codec, (jk->tag << AC_UNSOL_RES_TAG_SHIFT) & AC_UNSOL_RES_TAG); } } #ifdef CONFIG_PM /* Manage PDREF, when transition to D3hot */ static int cs8409_cs42l42_suspend(struct hda_codec *codec) { struct cs8409_spec *spec = codec->spec; int i; spec->init_done = 0; cs8409_enable_ur(codec, 0); for (i = 0; i < spec->num_scodecs; i++) cs42l42_suspend(spec->scodecs[i]); /* Cancel i2c clock disable timer, and disable clock if left enabled */ cancel_delayed_work_sync(&spec->i2c_clk_work); cs8409_disable_i2c_clock(codec); snd_hda_shutup_pins(codec); return 0; } #endif /* Vendor specific HW configuration * PLL, ASP, I2C, SPI, GPIOs, DMIC etc... */ static void cs8409_cs42l42_hw_init(struct hda_codec *codec) { const struct cs8409_cir_param *seq = cs8409_cs42l42_hw_cfg; const struct cs8409_cir_param *seq_bullseye = cs8409_cs42l42_bullseye_atn; struct cs8409_spec *spec = codec->spec; struct sub_codec *cs42l42 = spec->scodecs[CS8409_CODEC0]; if (spec->gpio_mask) { snd_hda_codec_write(codec, CS8409_PIN_AFG, 0, AC_VERB_SET_GPIO_MASK, spec->gpio_mask); snd_hda_codec_write(codec, CS8409_PIN_AFG, 0, AC_VERB_SET_GPIO_DIRECTION, spec->gpio_dir); snd_hda_codec_write(codec, CS8409_PIN_AFG, 0, AC_VERB_SET_GPIO_DATA, spec->gpio_data); } for (; seq->nid; seq++) cs8409_vendor_coef_set(codec, seq->cir, seq->coeff); if (codec->fixup_id == CS8409_BULLSEYE) { for (; seq_bullseye->nid; seq_bullseye++) cs8409_vendor_coef_set(codec, seq_bullseye->cir, seq_bullseye->coeff); } /* DMIC1_MO=00b, DMIC1/2_SR=1 */ if (codec->fixup_id == CS8409_WARLOCK || codec->fixup_id == CS8409_CYBORG) cs8409_vendor_coef_set(codec, 0x09, 0x0003); cs42l42_resume(cs42l42); /* Enable Unsolicited Response */ cs8409_enable_ur(codec, 1); } static const struct hda_codec_ops cs8409_cs42l42_patch_ops = { .build_controls = cs8409_build_controls, .build_pcms = snd_hda_gen_build_pcms, .init = cs8409_init, .free = cs8409_free, .unsol_event = cs8409_cs42l42_jack_unsol_event, #ifdef CONFIG_PM .suspend = cs8409_cs42l42_suspend, #endif }; static int cs8409_cs42l42_exec_verb(struct hdac_device *dev, unsigned int cmd, unsigned int flags, unsigned int *res) { struct hda_codec *codec = container_of(dev, struct hda_codec, core); struct cs8409_spec *spec = codec->spec; struct sub_codec *cs42l42 = spec->scodecs[CS8409_CODEC0]; unsigned int nid = ((cmd >> 20) & 0x07f); unsigned int verb = ((cmd >> 8) & 0x0fff); /* CS8409 pins have no AC_PINSENSE_PRESENCE * capabilities. We have to intercept 2 calls for pins 0x24 and 0x34 * and return correct pin sense values for read_pin_sense() call from * hda_jack based on CS42L42 jack detect status. */ switch (nid) { case CS8409_CS42L42_HP_PIN_NID: if (verb == AC_VERB_GET_PIN_SENSE) { *res = (cs42l42->hp_jack_in) ? AC_PINSENSE_PRESENCE : 0; return 0; } break; case CS8409_CS42L42_AMIC_PIN_NID: if (verb == AC_VERB_GET_PIN_SENSE) { *res = (cs42l42->mic_jack_in) ? AC_PINSENSE_PRESENCE : 0; return 0; } break; default: break; } return spec->exec_verb(dev, cmd, flags, res); } void cs8409_cs42l42_fixups(struct hda_codec *codec, const struct hda_fixup *fix, int action) { struct cs8409_spec *spec = codec->spec; switch (action) { case HDA_FIXUP_ACT_PRE_PROBE: snd_hda_add_verbs(codec, cs8409_cs42l42_init_verbs); /* verb exec op override */ spec->exec_verb = codec->core.exec_verb; codec->core.exec_verb = cs8409_cs42l42_exec_verb; spec->scodecs[CS8409_CODEC0] = &cs8409_cs42l42_codec; spec->num_scodecs = 1; spec->scodecs[CS8409_CODEC0]->codec = codec; codec->patch_ops = cs8409_cs42l42_patch_ops; spec->gen.suppress_auto_mute = 1; spec->gen.no_primary_hp = 1; spec->gen.suppress_vmaster = 1; /* GPIO 5 out, 3,4 in */ spec->gpio_dir = spec->scodecs[CS8409_CODEC0]->reset_gpio; spec->gpio_data = 0; spec->gpio_mask = 0x03f; /* Basic initial sequence for specific hw configuration */ snd_hda_sequence_write(codec, cs8409_cs42l42_init_verbs); cs8409_fix_caps(codec, CS8409_CS42L42_HP_PIN_NID); cs8409_fix_caps(codec, CS8409_CS42L42_AMIC_PIN_NID); /* Set TIP_SENSE_EN for analog front-end of tip sense. * Additionally set HSBIAS_SENSE_EN and Full Scale volume for some variants. */ switch (codec->fixup_id) { case CS8409_WARLOCK: spec->scodecs[CS8409_CODEC0]->hsbias_hiz = 0x0020; spec->scodecs[CS8409_CODEC0]->full_scale_vol = 1; break; case CS8409_BULLSEYE: spec->scodecs[CS8409_CODEC0]->hsbias_hiz = 0x0020; spec->scodecs[CS8409_CODEC0]->full_scale_vol = 0; break; case CS8409_CYBORG: spec->scodecs[CS8409_CODEC0]->hsbias_hiz = 0x00a0; spec->scodecs[CS8409_CODEC0]->full_scale_vol = 1; break; default: spec->scodecs[CS8409_CODEC0]->hsbias_hiz = 0x0003; spec->scodecs[CS8409_CODEC0]->full_scale_vol = 1; break; } break; case HDA_FIXUP_ACT_PROBE: /* Fix Sample Rate to 48kHz */ spec->gen.stream_analog_playback = &cs42l42_48k_pcm_analog_playback; spec->gen.stream_analog_capture = &cs42l42_48k_pcm_analog_capture; /* add hooks */ spec->gen.pcm_playback_hook = cs42l42_playback_pcm_hook; spec->gen.pcm_capture_hook = cs42l42_capture_pcm_hook; /* Set initial DMIC volume to -26 dB */ snd_hda_codec_amp_init_stereo(codec, CS8409_CS42L42_DMIC_ADC_PIN_NID, HDA_INPUT, 0, 0xff, 0x19); snd_hda_gen_add_kctl(&spec->gen, "Headphone Playback Volume", &cs42l42_dac_volume_mixer); snd_hda_gen_add_kctl(&spec->gen, "Mic Capture Volume", &cs42l42_adc_volume_mixer); /* Disable Unsolicited Response during boot */ cs8409_enable_ur(codec, 0); snd_hda_codec_set_name(codec, "CS8409/CS42L42"); break; case HDA_FIXUP_ACT_INIT: cs8409_cs42l42_hw_init(codec); spec->init_done = 1; if (spec->init_done && spec->build_ctrl_done && !spec->scodecs[CS8409_CODEC0]->hp_jack_in) cs42l42_run_jack_detect(spec->scodecs[CS8409_CODEC0]); break; case HDA_FIXUP_ACT_BUILD: spec->build_ctrl_done = 1; /* Run jack auto detect first time on boot * after controls have been added, to check if jack has * been already plugged in. * Run immediately after init. */ if (spec->init_done && spec->build_ctrl_done && !spec->scodecs[CS8409_CODEC0]->hp_jack_in) cs42l42_run_jack_detect(spec->scodecs[CS8409_CODEC0]); break; default: break; } } /****************************************************************************** * Dolphin Specific Functions * CS8409/ 2 X CS42L42 ******************************************************************************/ /* * In the case of CS8409 we do not have unsolicited events when * hs mic and hp are connected. Companion codec CS42L42 will * generate interrupt via irq_mask to notify jack events. We have to overwrite * generic snd_hda_jack_unsol_event(), read CS42L42 jack detect status registers * and then notify status via generic snd_hda_jack_unsol_event() call. */ static void dolphin_jack_unsol_event(struct hda_codec *codec, unsigned int res) { struct cs8409_spec *spec = codec->spec; struct sub_codec *cs42l42; struct hda_jack_tbl *jk; cs42l42 = spec->scodecs[CS8409_CODEC0]; if (!cs42l42->suspended && (~res & cs42l42->irq_mask) && cs42l42_jack_unsol_event(cs42l42)) { jk = snd_hda_jack_tbl_get_mst(codec, DOLPHIN_HP_PIN_NID, 0); if (jk) snd_hda_jack_unsol_event(codec, (jk->tag << AC_UNSOL_RES_TAG_SHIFT) & AC_UNSOL_RES_TAG); jk = snd_hda_jack_tbl_get_mst(codec, DOLPHIN_AMIC_PIN_NID, 0); if (jk) snd_hda_jack_unsol_event(codec, (jk->tag << AC_UNSOL_RES_TAG_SHIFT) & AC_UNSOL_RES_TAG); } cs42l42 = spec->scodecs[CS8409_CODEC1]; if (!cs42l42->suspended && (~res & cs42l42->irq_mask) && cs42l42_jack_unsol_event(cs42l42)) { jk = snd_hda_jack_tbl_get_mst(codec, DOLPHIN_LO_PIN_NID, 0); if (jk) snd_hda_jack_unsol_event(codec, (jk->tag << AC_UNSOL_RES_TAG_SHIFT) & AC_UNSOL_RES_TAG); } } /* Vendor specific HW configuration * PLL, ASP, I2C, SPI, GPIOs, DMIC etc... */ static void dolphin_hw_init(struct hda_codec *codec) { const struct cs8409_cir_param *seq = dolphin_hw_cfg; struct cs8409_spec *spec = codec->spec; struct sub_codec *cs42l42; int i; if (spec->gpio_mask) { snd_hda_codec_write(codec, CS8409_PIN_AFG, 0, AC_VERB_SET_GPIO_MASK, spec->gpio_mask); snd_hda_codec_write(codec, CS8409_PIN_AFG, 0, AC_VERB_SET_GPIO_DIRECTION, spec->gpio_dir); snd_hda_codec_write(codec, CS8409_PIN_AFG, 0, AC_VERB_SET_GPIO_DATA, spec->gpio_data); } for (; seq->nid; seq++) cs8409_vendor_coef_set(codec, seq->cir, seq->coeff); for (i = 0; i < spec->num_scodecs; i++) { cs42l42 = spec->scodecs[i]; cs42l42_resume(cs42l42); } /* Enable Unsolicited Response */ cs8409_enable_ur(codec, 1); } static const struct hda_codec_ops cs8409_dolphin_patch_ops = { .build_controls = cs8409_build_controls, .build_pcms = snd_hda_gen_build_pcms, .init = cs8409_init, .free = cs8409_free, .unsol_event = dolphin_jack_unsol_event, #ifdef CONFIG_PM .suspend = cs8409_cs42l42_suspend, #endif }; static int dolphin_exec_verb(struct hdac_device *dev, unsigned int cmd, unsigned int flags, unsigned int *res) { struct hda_codec *codec = container_of(dev, struct hda_codec, core); struct cs8409_spec *spec = codec->spec; struct sub_codec *cs42l42 = spec->scodecs[CS8409_CODEC0]; unsigned int nid = ((cmd >> 20) & 0x07f); unsigned int verb = ((cmd >> 8) & 0x0fff); /* CS8409 pins have no AC_PINSENSE_PRESENCE * capabilities. We have to intercept calls for CS42L42 pins * and return correct pin sense values for read_pin_sense() call from * hda_jack based on CS42L42 jack detect status. */ switch (nid) { case DOLPHIN_HP_PIN_NID: case DOLPHIN_LO_PIN_NID: if (nid == DOLPHIN_LO_PIN_NID) cs42l42 = spec->scodecs[CS8409_CODEC1]; if (verb == AC_VERB_GET_PIN_SENSE) { *res = (cs42l42->hp_jack_in) ? AC_PINSENSE_PRESENCE : 0; return 0; } break; case DOLPHIN_AMIC_PIN_NID: if (verb == AC_VERB_GET_PIN_SENSE) { *res = (cs42l42->mic_jack_in) ? AC_PINSENSE_PRESENCE : 0; return 0; } break; default: break; } return spec->exec_verb(dev, cmd, flags, res); } void dolphin_fixups(struct hda_codec *codec, const struct hda_fixup *fix, int action) { struct cs8409_spec *spec = codec->spec; struct snd_kcontrol_new *kctrl; int i; switch (action) { case HDA_FIXUP_ACT_PRE_PROBE: snd_hda_add_verbs(codec, dolphin_init_verbs); /* verb exec op override */ spec->exec_verb = codec->core.exec_verb; codec->core.exec_verb = dolphin_exec_verb; spec->scodecs[CS8409_CODEC0] = &dolphin_cs42l42_0; spec->scodecs[CS8409_CODEC0]->codec = codec; spec->scodecs[CS8409_CODEC1] = &dolphin_cs42l42_1; spec->scodecs[CS8409_CODEC1]->codec = codec; spec->num_scodecs = 2; spec->gen.suppress_vmaster = 1; codec->patch_ops = cs8409_dolphin_patch_ops; /* GPIO 1,5 out, 0,4 in */ spec->gpio_dir = spec->scodecs[CS8409_CODEC0]->reset_gpio | spec->scodecs[CS8409_CODEC1]->reset_gpio; spec->gpio_data = 0; spec->gpio_mask = 0x03f; /* Basic initial sequence for specific hw configuration */ snd_hda_sequence_write(codec, dolphin_init_verbs); snd_hda_jack_add_kctl(codec, DOLPHIN_LO_PIN_NID, "Line Out", true, SND_JACK_HEADPHONE, NULL); snd_hda_jack_add_kctl(codec, DOLPHIN_AMIC_PIN_NID, "Microphone", true, SND_JACK_MICROPHONE, NULL); cs8409_fix_caps(codec, DOLPHIN_HP_PIN_NID); cs8409_fix_caps(codec, DOLPHIN_LO_PIN_NID); cs8409_fix_caps(codec, DOLPHIN_AMIC_PIN_NID); break; case HDA_FIXUP_ACT_PROBE: /* Fix Sample Rate to 48kHz */ spec->gen.stream_analog_playback = &cs42l42_48k_pcm_analog_playback; spec->gen.stream_analog_capture = &cs42l42_48k_pcm_analog_capture; /* add hooks */ spec->gen.pcm_playback_hook = cs42l42_playback_pcm_hook; spec->gen.pcm_capture_hook = cs42l42_capture_pcm_hook; snd_hda_gen_add_kctl(&spec->gen, "Headphone Playback Volume", &cs42l42_dac_volume_mixer); snd_hda_gen_add_kctl(&spec->gen, "Mic Capture Volume", &cs42l42_adc_volume_mixer); kctrl = snd_hda_gen_add_kctl(&spec->gen, "Line Out Playback Volume", &cs42l42_dac_volume_mixer); /* Update Line Out kcontrol template */ kctrl->private_value = HDA_COMPOSE_AMP_VAL_OFS(DOLPHIN_HP_PIN_NID, 3, CS8409_CODEC1, HDA_OUTPUT, CS42L42_VOL_DAC) | HDA_AMP_VAL_MIN_MUTE; cs8409_enable_ur(codec, 0); snd_hda_codec_set_name(codec, "CS8409/CS42L42"); break; case HDA_FIXUP_ACT_INIT: dolphin_hw_init(codec); spec->init_done = 1; if (spec->init_done && spec->build_ctrl_done) { for (i = 0; i < spec->num_scodecs; i++) { if (!spec->scodecs[i]->hp_jack_in) cs42l42_run_jack_detect(spec->scodecs[i]); } } break; case HDA_FIXUP_ACT_BUILD: spec->build_ctrl_done = 1; /* Run jack auto detect first time on boot * after controls have been added, to check if jack has * been already plugged in. * Run immediately after init. */ if (spec->init_done && spec->build_ctrl_done) { for (i = 0; i < spec->num_scodecs; i++) { if (!spec->scodecs[i]->hp_jack_in) cs42l42_run_jack_detect(spec->scodecs[i]); } } break; default: break; } } static int patch_cs8409(struct hda_codec *codec) { int err; if (!cs8409_alloc_spec(codec)) return -ENOMEM; snd_hda_pick_fixup(codec, cs8409_models, cs8409_fixup_tbl, cs8409_fixups); codec_dbg(codec, "Picked ID=%d, VID=%08x, DEV=%08x\n", codec->fixup_id, codec->bus->pci->subsystem_vendor, codec->bus->pci->subsystem_device); snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_PRE_PROBE); err = cs8409_parse_auto_config(codec); if (err < 0) { cs8409_free(codec); return err; } snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_PROBE); return 0; } static const struct hda_device_id snd_hda_id_cs8409[] = { HDA_CODEC_ENTRY(0x10138409, "CS8409", patch_cs8409), {} /* terminator */ }; MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_cs8409); static struct hda_codec_driver cs8409_driver = { .id = snd_hda_id_cs8409, }; module_hda_codec_driver(cs8409_driver); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Cirrus Logic HDA bridge");