| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Richard Fitzgerald | 5712 | 88.96% | 32 | 64.00% |
| Simon Trimmer | 628 | 9.78% | 16 | 32.00% |
| Maciej Strozek | 44 | 0.69% | 1 | 2.00% |
| Pierre-Louis Bossart | 37 | 0.58% | 1 | 2.00% |
| Total | 6421 | 50 |
// SPDX-License-Identifier: GPL-2.0-only // // Driver for Cirrus Logic CS35L56 smart amp // // Copyright (C) 2023 Cirrus Logic, Inc. and // Cirrus Logic International Semiconductor Ltd. #include <linux/acpi.h> #include <linux/array_size.h> #include <linux/completion.h> #include <linux/debugfs.h> #include <linux/delay.h> #include <linux/err.h> #include <linux/gpio/consumer.h> #include <linux/interrupt.h> #include <linux/math.h> #include <linux/module.h> #include <linux/pm.h> #include <linux/pm_runtime.h> #include <linux/property.h> #include <linux/regmap.h> #include <linux/regulator/consumer.h> #include <linux/slab.h> #include <linux/soundwire/sdw.h> #include <linux/types.h> #include <linux/workqueue.h> #include <sound/cs-amp-lib.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/soc.h> #include <sound/soc-dapm.h> #include <sound/tlv.h> #include "wm_adsp.h" #include "cs35l56.h" static int cs35l56_dsp_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event); static void cs35l56_wait_dsp_ready(struct cs35l56_private *cs35l56) { /* Wait for patching to complete */ flush_work(&cs35l56->dsp_work); } static int cs35l56_dspwait_get_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(component); cs35l56_wait_dsp_ready(cs35l56); return snd_soc_get_volsw(kcontrol, ucontrol); } static int cs35l56_dspwait_put_volsw(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(component); cs35l56_wait_dsp_ready(cs35l56); return snd_soc_put_volsw(kcontrol, ucontrol); } static DECLARE_TLV_DB_SCALE(vol_tlv, -10000, 25, 0); static const struct snd_kcontrol_new cs35l56_controls[] = { SOC_SINGLE_EXT("Speaker Switch", CS35L56_MAIN_RENDER_USER_MUTE, 0, 1, 1, cs35l56_dspwait_get_volsw, cs35l56_dspwait_put_volsw), SOC_SINGLE_S_EXT_TLV("Speaker Volume", CS35L56_MAIN_RENDER_USER_VOLUME, CS35L56_MAIN_RENDER_USER_VOLUME_SHIFT, CS35L56_MAIN_RENDER_USER_VOLUME_MIN, CS35L56_MAIN_RENDER_USER_VOLUME_MAX, CS35L56_MAIN_RENDER_USER_VOLUME_SIGNBIT, 0, cs35l56_dspwait_get_volsw, cs35l56_dspwait_put_volsw, vol_tlv), SOC_SINGLE_EXT("Posture Number", CS35L56_MAIN_POSTURE_NUMBER, 0, 255, 0, cs35l56_dspwait_get_volsw, cs35l56_dspwait_put_volsw), }; static SOC_VALUE_ENUM_SINGLE_DECL(cs35l56_asp1tx1_enum, CS35L56_ASP1TX1_INPUT, 0, CS35L56_ASP_TXn_SRC_MASK, cs35l56_tx_input_texts, cs35l56_tx_input_values); static const struct snd_kcontrol_new asp1_tx1_mux = SOC_DAPM_ENUM("ASP1TX1 SRC", cs35l56_asp1tx1_enum); static SOC_VALUE_ENUM_SINGLE_DECL(cs35l56_asp1tx2_enum, CS35L56_ASP1TX2_INPUT, 0, CS35L56_ASP_TXn_SRC_MASK, cs35l56_tx_input_texts, cs35l56_tx_input_values); static const struct snd_kcontrol_new asp1_tx2_mux = SOC_DAPM_ENUM("ASP1TX2 SRC", cs35l56_asp1tx2_enum); static SOC_VALUE_ENUM_SINGLE_DECL(cs35l56_asp1tx3_enum, CS35L56_ASP1TX3_INPUT, 0, CS35L56_ASP_TXn_SRC_MASK, cs35l56_tx_input_texts, cs35l56_tx_input_values); static const struct snd_kcontrol_new asp1_tx3_mux = SOC_DAPM_ENUM("ASP1TX3 SRC", cs35l56_asp1tx3_enum); static SOC_VALUE_ENUM_SINGLE_DECL(cs35l56_asp1tx4_enum, CS35L56_ASP1TX4_INPUT, 0, CS35L56_ASP_TXn_SRC_MASK, cs35l56_tx_input_texts, cs35l56_tx_input_values); static const struct snd_kcontrol_new asp1_tx4_mux = SOC_DAPM_ENUM("ASP1TX4 SRC", cs35l56_asp1tx4_enum); static SOC_VALUE_ENUM_SINGLE_DECL(cs35l56_sdw1tx1_enum, CS35L56_SWIRE_DP3_CH1_INPUT, 0, CS35L56_SWIRETXn_SRC_MASK, cs35l56_tx_input_texts, cs35l56_tx_input_values); static const struct snd_kcontrol_new sdw1_tx1_mux = SOC_DAPM_ENUM("SDW1TX1 SRC", cs35l56_sdw1tx1_enum); static SOC_VALUE_ENUM_SINGLE_DECL(cs35l56_sdw1tx2_enum, CS35L56_SWIRE_DP3_CH2_INPUT, 0, CS35L56_SWIRETXn_SRC_MASK, cs35l56_tx_input_texts, cs35l56_tx_input_values); static const struct snd_kcontrol_new sdw1_tx2_mux = SOC_DAPM_ENUM("SDW1TX2 SRC", cs35l56_sdw1tx2_enum); static SOC_VALUE_ENUM_SINGLE_DECL(cs35l56_sdw1tx3_enum, CS35L56_SWIRE_DP3_CH3_INPUT, 0, CS35L56_SWIRETXn_SRC_MASK, cs35l56_tx_input_texts, cs35l56_tx_input_values); static const struct snd_kcontrol_new sdw1_tx3_mux = SOC_DAPM_ENUM("SDW1TX3 SRC", cs35l56_sdw1tx3_enum); static SOC_VALUE_ENUM_SINGLE_DECL(cs35l56_sdw1tx4_enum, CS35L56_SWIRE_DP3_CH4_INPUT, 0, CS35L56_SWIRETXn_SRC_MASK, cs35l56_tx_input_texts, cs35l56_tx_input_values); static const struct snd_kcontrol_new sdw1_tx4_mux = SOC_DAPM_ENUM("SDW1TX4 SRC", cs35l56_sdw1tx4_enum); static int cs35l56_play_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(component); unsigned int val; int ret; dev_dbg(cs35l56->base.dev, "play: %d\n", event); switch (event) { case SND_SOC_DAPM_PRE_PMU: /* Don't wait for ACK, we check in POST_PMU that it completed */ return regmap_write(cs35l56->base.regmap, CS35L56_DSP_VIRTUAL1_MBOX_1, CS35L56_MBOX_CMD_AUDIO_PLAY); case SND_SOC_DAPM_POST_PMU: /* Wait for firmware to enter PS0 power state */ ret = regmap_read_poll_timeout(cs35l56->base.regmap, CS35L56_TRANSDUCER_ACTUAL_PS, val, (val == CS35L56_PS0), CS35L56_PS0_POLL_US, CS35L56_PS0_TIMEOUT_US); if (ret) dev_err(cs35l56->base.dev, "PS0 wait failed: %d\n", ret); return ret; case SND_SOC_DAPM_POST_PMD: return cs35l56_mbox_send(&cs35l56->base, CS35L56_MBOX_CMD_AUDIO_PAUSE); default: return 0; } } static const struct snd_soc_dapm_widget cs35l56_dapm_widgets[] = { SND_SOC_DAPM_REGULATOR_SUPPLY("VDD_B", 0, 0), SND_SOC_DAPM_REGULATOR_SUPPLY("VDD_AMP", 0, 0), SND_SOC_DAPM_SUPPLY("PLAY", SND_SOC_NOPM, 0, 0, cs35l56_play_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_OUT_DRV("AMP", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_OUTPUT("SPK"), SND_SOC_DAPM_PGA_E("DSP1", SND_SOC_NOPM, 0, 0, NULL, 0, cs35l56_dsp_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), SND_SOC_DAPM_AIF_IN("ASP1RX1", NULL, 0, CS35L56_ASP1_ENABLES1, CS35L56_ASP_RX1_EN_SHIFT, 0), SND_SOC_DAPM_AIF_IN("ASP1RX2", NULL, 1, CS35L56_ASP1_ENABLES1, CS35L56_ASP_RX2_EN_SHIFT, 0), SND_SOC_DAPM_AIF_OUT("ASP1TX1", NULL, 0, CS35L56_ASP1_ENABLES1, CS35L56_ASP_TX1_EN_SHIFT, 0), SND_SOC_DAPM_AIF_OUT("ASP1TX2", NULL, 1, CS35L56_ASP1_ENABLES1, CS35L56_ASP_TX2_EN_SHIFT, 0), SND_SOC_DAPM_AIF_OUT("ASP1TX3", NULL, 2, CS35L56_ASP1_ENABLES1, CS35L56_ASP_TX3_EN_SHIFT, 0), SND_SOC_DAPM_AIF_OUT("ASP1TX4", NULL, 3, CS35L56_ASP1_ENABLES1, CS35L56_ASP_TX4_EN_SHIFT, 0), SND_SOC_DAPM_MUX("ASP1 TX1 Source", SND_SOC_NOPM, 0, 0, &asp1_tx1_mux), SND_SOC_DAPM_MUX("ASP1 TX2 Source", SND_SOC_NOPM, 0, 0, &asp1_tx2_mux), SND_SOC_DAPM_MUX("ASP1 TX3 Source", SND_SOC_NOPM, 0, 0, &asp1_tx3_mux), SND_SOC_DAPM_MUX("ASP1 TX4 Source", SND_SOC_NOPM, 0, 0, &asp1_tx4_mux), SND_SOC_DAPM_MUX("SDW1 TX1 Source", SND_SOC_NOPM, 0, 0, &sdw1_tx1_mux), SND_SOC_DAPM_MUX("SDW1 TX2 Source", SND_SOC_NOPM, 0, 0, &sdw1_tx2_mux), SND_SOC_DAPM_MUX("SDW1 TX3 Source", SND_SOC_NOPM, 0, 0, &sdw1_tx3_mux), SND_SOC_DAPM_MUX("SDW1 TX4 Source", SND_SOC_NOPM, 0, 0, &sdw1_tx4_mux), SND_SOC_DAPM_SIGGEN("VMON ADC"), SND_SOC_DAPM_SIGGEN("IMON ADC"), SND_SOC_DAPM_SIGGEN("ERRVOL ADC"), SND_SOC_DAPM_SIGGEN("CLASSH ADC"), SND_SOC_DAPM_SIGGEN("VDDBMON ADC"), SND_SOC_DAPM_SIGGEN("VBSTMON ADC"), SND_SOC_DAPM_SIGGEN("TEMPMON ADC"), }; #define CS35L56_SRC_ROUTE(name) \ { name" Source", "ASP1RX1", "ASP1RX1" }, \ { name" Source", "ASP1RX2", "ASP1RX2" }, \ { name" Source", "VMON", "VMON ADC" }, \ { name" Source", "IMON", "IMON ADC" }, \ { name" Source", "ERRVOL", "ERRVOL ADC" }, \ { name" Source", "CLASSH", "CLASSH ADC" }, \ { name" Source", "VDDBMON", "VDDBMON ADC" }, \ { name" Source", "VBSTMON", "VBSTMON ADC" }, \ { name" Source", "DSP1TX1", "DSP1" }, \ { name" Source", "DSP1TX2", "DSP1" }, \ { name" Source", "DSP1TX3", "DSP1" }, \ { name" Source", "DSP1TX4", "DSP1" }, \ { name" Source", "DSP1TX5", "DSP1" }, \ { name" Source", "DSP1TX6", "DSP1" }, \ { name" Source", "DSP1TX7", "DSP1" }, \ { name" Source", "DSP1TX8", "DSP1" }, \ { name" Source", "TEMPMON", "TEMPMON ADC" }, \ { name" Source", "INTERPOLATOR", "AMP" }, \ { name" Source", "SDW1RX1", "SDW1 Playback" }, \ { name" Source", "SDW1RX2", "SDW1 Playback" }, static const struct snd_soc_dapm_route cs35l56_audio_map[] = { { "AMP", NULL, "VDD_B" }, { "AMP", NULL, "VDD_AMP" }, { "ASP1 Playback", NULL, "PLAY" }, { "SDW1 Playback", NULL, "PLAY" }, { "ASP1RX1", NULL, "ASP1 Playback" }, { "ASP1RX2", NULL, "ASP1 Playback" }, { "DSP1", NULL, "ASP1RX1" }, { "DSP1", NULL, "ASP1RX2" }, { "DSP1", NULL, "SDW1 Playback" }, { "AMP", NULL, "DSP1" }, { "SPK", NULL, "AMP" }, CS35L56_SRC_ROUTE("ASP1 TX1") CS35L56_SRC_ROUTE("ASP1 TX2") CS35L56_SRC_ROUTE("ASP1 TX3") CS35L56_SRC_ROUTE("ASP1 TX4") { "ASP1TX1", NULL, "ASP1 TX1 Source" }, { "ASP1TX2", NULL, "ASP1 TX2 Source" }, { "ASP1TX3", NULL, "ASP1 TX3 Source" }, { "ASP1TX4", NULL, "ASP1 TX4 Source" }, { "ASP1 Capture", NULL, "ASP1TX1" }, { "ASP1 Capture", NULL, "ASP1TX2" }, { "ASP1 Capture", NULL, "ASP1TX3" }, { "ASP1 Capture", NULL, "ASP1TX4" }, CS35L56_SRC_ROUTE("SDW1 TX1") CS35L56_SRC_ROUTE("SDW1 TX2") CS35L56_SRC_ROUTE("SDW1 TX3") CS35L56_SRC_ROUTE("SDW1 TX4") { "SDW1 Capture", NULL, "SDW1 TX1 Source" }, { "SDW1 Capture", NULL, "SDW1 TX2 Source" }, { "SDW1 Capture", NULL, "SDW1 TX3 Source" }, { "SDW1 Capture", NULL, "SDW1 TX4 Source" }, }; static int cs35l56_dsp_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(component); dev_dbg(cs35l56->base.dev, "%s: %d\n", __func__, event); return wm_adsp_event(w, kcontrol, event); } static int cs35l56_asp_dai_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(codec_dai->component); unsigned int val; dev_dbg(cs35l56->base.dev, "%s: %#x\n", __func__, fmt); switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) { case SND_SOC_DAIFMT_CBC_CFC: break; default: dev_err(cs35l56->base.dev, "Unsupported clock source mode\n"); return -EINVAL; } switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_DSP_A: val = CS35L56_ASP_FMT_DSP_A << CS35L56_ASP_FMT_SHIFT; cs35l56->tdm_mode = true; break; case SND_SOC_DAIFMT_I2S: val = CS35L56_ASP_FMT_I2S << CS35L56_ASP_FMT_SHIFT; cs35l56->tdm_mode = false; break; default: dev_err(cs35l56->base.dev, "Unsupported DAI format\n"); return -EINVAL; } switch (fmt & SND_SOC_DAIFMT_INV_MASK) { case SND_SOC_DAIFMT_NB_IF: val |= CS35L56_ASP_FSYNC_INV_MASK; break; case SND_SOC_DAIFMT_IB_NF: val |= CS35L56_ASP_BCLK_INV_MASK; break; case SND_SOC_DAIFMT_IB_IF: val |= CS35L56_ASP_BCLK_INV_MASK | CS35L56_ASP_FSYNC_INV_MASK; break; case SND_SOC_DAIFMT_NB_NF: break; default: dev_err(cs35l56->base.dev, "Invalid clock invert\n"); return -EINVAL; } regmap_update_bits(cs35l56->base.regmap, CS35L56_ASP1_CONTROL2, CS35L56_ASP_FMT_MASK | CS35L56_ASP_BCLK_INV_MASK | CS35L56_ASP_FSYNC_INV_MASK, val); /* Hi-Z DOUT in unused slots and when all TX are disabled */ regmap_update_bits(cs35l56->base.regmap, CS35L56_ASP1_CONTROL3, CS35L56_ASP1_DOUT_HIZ_CTRL_MASK, CS35L56_ASP_UNUSED_HIZ_OFF_HIZ); return 0; } static unsigned int cs35l56_make_tdm_config_word(unsigned int reg_val, unsigned long mask) { unsigned int channel_shift; int bit_num; /* Enable consecutive TX1..TXn for each of the slots set in mask */ channel_shift = 0; for_each_set_bit(bit_num, &mask, 32) { reg_val &= ~(0x3f << channel_shift); reg_val |= bit_num << channel_shift; channel_shift += 8; } return reg_val; } static int cs35l56_asp_dai_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) { struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(dai->component); if ((slots == 0) || (slot_width == 0)) { dev_dbg(cs35l56->base.dev, "tdm config cleared\n"); cs35l56->asp_slot_width = 0; cs35l56->asp_slot_count = 0; return 0; } if (slot_width > (CS35L56_ASP_RX_WIDTH_MASK >> CS35L56_ASP_RX_WIDTH_SHIFT)) { dev_err(cs35l56->base.dev, "tdm invalid slot width %d\n", slot_width); return -EINVAL; } /* More than 32 slots would give an unsupportable BCLK frequency */ if (slots > 32) { dev_err(cs35l56->base.dev, "tdm invalid slot count %d\n", slots); return -EINVAL; } cs35l56->asp_slot_width = (u8)slot_width; cs35l56->asp_slot_count = (u8)slots; // Note: rx/tx is from point of view of the CPU end if (tx_mask == 0) tx_mask = 0x3; // ASPRX1/RX2 in slots 0 and 1 if (rx_mask == 0) rx_mask = 0xf; // ASPTX1..TX4 in slots 0..3 /* Default unused slots to 63 */ regmap_write(cs35l56->base.regmap, CS35L56_ASP1_FRAME_CONTROL1, cs35l56_make_tdm_config_word(0x3f3f3f3f, rx_mask)); regmap_write(cs35l56->base.regmap, CS35L56_ASP1_FRAME_CONTROL5, cs35l56_make_tdm_config_word(0x3f3f3f, tx_mask)); dev_dbg(cs35l56->base.dev, "tdm slot width: %u count: %u tx_mask: %#x rx_mask: %#x\n", cs35l56->asp_slot_width, cs35l56->asp_slot_count, tx_mask, rx_mask); return 0; } static int cs35l56_asp_dai_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(dai->component); unsigned int rate = params_rate(params); u8 asp_width, asp_wl; asp_wl = params_width(params); if (cs35l56->asp_slot_width) asp_width = cs35l56->asp_slot_width; else asp_width = asp_wl; dev_dbg(cs35l56->base.dev, "%s: wl=%d, width=%d, rate=%d", __func__, asp_wl, asp_width, rate); if (!cs35l56->sysclk_set) { unsigned int slots = cs35l56->asp_slot_count; unsigned int bclk_freq; int freq_id; if (slots == 0) { slots = params_channels(params); /* I2S always has an even number of slots */ if (!cs35l56->tdm_mode) slots = round_up(slots, 2); } bclk_freq = asp_width * slots * rate; freq_id = cs35l56_get_bclk_freq_id(bclk_freq); if (freq_id < 0) { dev_err(cs35l56->base.dev, "%s: Invalid BCLK %u\n", __func__, bclk_freq); return -EINVAL; } regmap_update_bits(cs35l56->base.regmap, CS35L56_ASP1_CONTROL1, CS35L56_ASP_BCLK_FREQ_MASK, freq_id << CS35L56_ASP_BCLK_FREQ_SHIFT); } if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { regmap_update_bits(cs35l56->base.regmap, CS35L56_ASP1_CONTROL2, CS35L56_ASP_RX_WIDTH_MASK, asp_width << CS35L56_ASP_RX_WIDTH_SHIFT); regmap_update_bits(cs35l56->base.regmap, CS35L56_ASP1_DATA_CONTROL5, CS35L56_ASP_RX_WL_MASK, asp_wl); } else { regmap_update_bits(cs35l56->base.regmap, CS35L56_ASP1_CONTROL2, CS35L56_ASP_TX_WIDTH_MASK, asp_width << CS35L56_ASP_TX_WIDTH_SHIFT); regmap_update_bits(cs35l56->base.regmap, CS35L56_ASP1_DATA_CONTROL1, CS35L56_ASP_TX_WL_MASK, asp_wl); } return 0; } static int cs35l56_asp_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, unsigned int freq, int dir) { struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(dai->component); int freq_id; if (freq == 0) { cs35l56->sysclk_set = false; return 0; } freq_id = cs35l56_get_bclk_freq_id(freq); if (freq_id < 0) return freq_id; regmap_update_bits(cs35l56->base.regmap, CS35L56_ASP1_CONTROL1, CS35L56_ASP_BCLK_FREQ_MASK, freq_id << CS35L56_ASP_BCLK_FREQ_SHIFT); cs35l56->sysclk_set = true; return 0; } static const struct snd_soc_dai_ops cs35l56_ops = { .set_fmt = cs35l56_asp_dai_set_fmt, .set_tdm_slot = cs35l56_asp_dai_set_tdm_slot, .hw_params = cs35l56_asp_dai_hw_params, .set_sysclk = cs35l56_asp_dai_set_sysclk, }; static void cs35l56_sdw_dai_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { snd_soc_dai_set_dma_data(dai, substream, NULL); } static int cs35l56_sdw_dai_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) { struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(dai->component); /* rx/tx are from point of view of the CPU end so opposite to our rx/tx */ cs35l56->rx_mask = tx_mask; cs35l56->tx_mask = rx_mask; return 0; } static int cs35l56_sdw_dai_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(dai->component); struct sdw_stream_runtime *sdw_stream = snd_soc_dai_get_dma_data(dai, substream); struct sdw_stream_config sconfig; struct sdw_port_config pconfig; int ret; dev_dbg(cs35l56->base.dev, "%s: rate %d\n", __func__, params_rate(params)); if (!cs35l56->base.init_done) return -ENODEV; if (!sdw_stream) return -EINVAL; memset(&sconfig, 0, sizeof(sconfig)); memset(&pconfig, 0, sizeof(pconfig)); sconfig.frame_rate = params_rate(params); sconfig.bps = snd_pcm_format_width(params_format(params)); if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { sconfig.direction = SDW_DATA_DIR_RX; pconfig.num = CS35L56_SDW1_PLAYBACK_PORT; pconfig.ch_mask = cs35l56->rx_mask; } else { sconfig.direction = SDW_DATA_DIR_TX; pconfig.num = CS35L56_SDW1_CAPTURE_PORT; pconfig.ch_mask = cs35l56->tx_mask; } if (pconfig.ch_mask == 0) { sconfig.ch_count = params_channels(params); pconfig.ch_mask = GENMASK(sconfig.ch_count - 1, 0); } else { sconfig.ch_count = hweight32(pconfig.ch_mask); } ret = sdw_stream_add_slave(cs35l56->sdw_peripheral, &sconfig, &pconfig, 1, sdw_stream); if (ret) { dev_err(dai->dev, "Failed to add sdw stream: %d\n", ret); return ret; } return 0; } static int cs35l56_sdw_dai_hw_free(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(dai->component); struct sdw_stream_runtime *sdw_stream = snd_soc_dai_get_dma_data(dai, substream); if (!cs35l56->sdw_peripheral) return -EINVAL; sdw_stream_remove_slave(cs35l56->sdw_peripheral, sdw_stream); return 0; } static int cs35l56_sdw_dai_set_stream(struct snd_soc_dai *dai, void *sdw_stream, int direction) { snd_soc_dai_dma_data_set(dai, direction, sdw_stream); return 0; } static const struct snd_soc_dai_ops cs35l56_sdw_dai_ops = { .set_tdm_slot = cs35l56_sdw_dai_set_tdm_slot, .shutdown = cs35l56_sdw_dai_shutdown, .hw_params = cs35l56_sdw_dai_hw_params, .hw_free = cs35l56_sdw_dai_hw_free, .set_stream = cs35l56_sdw_dai_set_stream, }; static struct snd_soc_dai_driver cs35l56_dai[] = { { .name = "cs35l56-asp1", .id = 0, .playback = { .stream_name = "ASP1 Playback", .channels_min = 1, .channels_max = 2, .rates = CS35L56_RATES, .formats = CS35L56_RX_FORMATS, }, .capture = { .stream_name = "ASP1 Capture", .channels_min = 1, .channels_max = 4, .rates = CS35L56_RATES, .formats = CS35L56_TX_FORMATS, }, .ops = &cs35l56_ops, .symmetric_rate = 1, .symmetric_sample_bits = 1, }, { .name = "cs35l56-sdw1", .id = 1, .playback = { .stream_name = "SDW1 Playback", .channels_min = 1, .channels_max = 2, .rates = CS35L56_RATES, .formats = CS35L56_RX_FORMATS, }, .capture = { .stream_name = "SDW1 Capture", .channels_min = 1, .channels_max = 4, .rates = CS35L56_RATES, .formats = CS35L56_TX_FORMATS, }, .symmetric_rate = 1, .ops = &cs35l56_sdw_dai_ops, } }; static int cs35l56_write_cal(struct cs35l56_private *cs35l56) { int ret; if (cs35l56->base.secured || !cs35l56->base.cal_data_valid) return -ENODATA; ret = wm_adsp_run(&cs35l56->dsp); if (ret) return ret; ret = cs_amp_write_cal_coeffs(&cs35l56->dsp.cs_dsp, &cs35l56_calibration_controls, &cs35l56->base.cal_data); wm_adsp_stop(&cs35l56->dsp); if (ret == 0) dev_info(cs35l56->base.dev, "Calibration applied\n"); return ret; } static void cs35l56_reinit_patch(struct cs35l56_private *cs35l56) { int ret; /* Use wm_adsp to load and apply the firmware patch and coefficient files */ ret = wm_adsp_power_up(&cs35l56->dsp, true); if (ret) { dev_dbg(cs35l56->base.dev, "%s: wm_adsp_power_up ret %d\n", __func__, ret); return; } cs35l56_write_cal(cs35l56); /* Always REINIT after applying patch or coefficients */ cs35l56_mbox_send(&cs35l56->base, CS35L56_MBOX_CMD_AUDIO_REINIT); } static void cs35l56_patch(struct cs35l56_private *cs35l56, bool firmware_missing) { int ret; /* * Disable SoundWire interrupts to prevent race with IRQ work. * Setting sdw_irq_no_unmask prevents the handler re-enabling * the SoundWire interrupt. */ if (cs35l56->sdw_peripheral) { cs35l56->sdw_irq_no_unmask = true; flush_work(&cs35l56->sdw_irq_work); sdw_write_no_pm(cs35l56->sdw_peripheral, CS35L56_SDW_GEN_INT_MASK_1, 0); sdw_read_no_pm(cs35l56->sdw_peripheral, CS35L56_SDW_GEN_INT_STAT_1); sdw_write_no_pm(cs35l56->sdw_peripheral, CS35L56_SDW_GEN_INT_STAT_1, 0xFF); flush_work(&cs35l56->sdw_irq_work); } ret = cs35l56_firmware_shutdown(&cs35l56->base); if (ret) goto err; /* * Use wm_adsp to load and apply the firmware patch and coefficient files, * but only if firmware is missing. If firmware is already patched just * power-up wm_adsp without downloading firmware. */ ret = wm_adsp_power_up(&cs35l56->dsp, !!firmware_missing); if (ret) { dev_dbg(cs35l56->base.dev, "%s: wm_adsp_power_up ret %d\n", __func__, ret); goto err; } mutex_lock(&cs35l56->base.irq_lock); reinit_completion(&cs35l56->init_completion); cs35l56->soft_resetting = true; cs35l56_system_reset(&cs35l56->base, !!cs35l56->sdw_peripheral); if (cs35l56->sdw_peripheral) { /* * The system-reset causes the CS35L56 to detach from the bus. * Wait for the manager to re-enumerate the CS35L56 and * cs35l56_init() to run again. */ if (!wait_for_completion_timeout(&cs35l56->init_completion, msecs_to_jiffies(5000))) { dev_err(cs35l56->base.dev, "%s: init_completion timed out (SDW)\n", __func__); goto err_unlock; } } else if (cs35l56_init(cs35l56)) { goto err_unlock; } regmap_clear_bits(cs35l56->base.regmap, CS35L56_PROTECTION_STATUS, CS35L56_FIRMWARE_MISSING); cs35l56->base.fw_patched = true; if (cs35l56_write_cal(cs35l56) == 0) cs35l56_mbox_send(&cs35l56->base, CS35L56_MBOX_CMD_AUDIO_REINIT); err_unlock: mutex_unlock(&cs35l56->base.irq_lock); err: /* Re-enable SoundWire interrupts */ if (cs35l56->sdw_peripheral) { cs35l56->sdw_irq_no_unmask = false; sdw_write_no_pm(cs35l56->sdw_peripheral, CS35L56_SDW_GEN_INT_MASK_1, CS35L56_SDW_INT_MASK_CODEC_IRQ); } } static void cs35l56_dsp_work(struct work_struct *work) { struct cs35l56_private *cs35l56 = container_of(work, struct cs35l56_private, dsp_work); unsigned int firmware_version; bool firmware_missing; int ret; if (!cs35l56->base.init_done) return; pm_runtime_get_sync(cs35l56->base.dev); ret = cs35l56_read_prot_status(&cs35l56->base, &firmware_missing, &firmware_version); if (ret) goto err; /* Populate fw file qualifier with the revision and security state */ kfree(cs35l56->dsp.fwf_name); if (firmware_missing) { cs35l56->dsp.fwf_name = kasprintf(GFP_KERNEL, "%02x-dsp1", cs35l56->base.rev); } else { /* Firmware files must match the running firmware version */ cs35l56->dsp.fwf_name = kasprintf(GFP_KERNEL, "%02x%s-%06x-dsp1", cs35l56->base.rev, cs35l56->base.secured ? "-s" : "", firmware_version); } if (!cs35l56->dsp.fwf_name) goto err; dev_dbg(cs35l56->base.dev, "DSP fwf name: '%s' system name: '%s'\n", cs35l56->dsp.fwf_name, cs35l56->dsp.system_name); /* * The firmware cannot be patched if it is already running from * patch RAM. In this case the firmware files are versioned to * match the running firmware version and will only contain * tunings. We do not need to shutdown the firmware to apply * tunings so can use the lower cost reinit sequence instead. */ if (!firmware_missing) cs35l56_reinit_patch(cs35l56); else cs35l56_patch(cs35l56, firmware_missing); err: pm_runtime_mark_last_busy(cs35l56->base.dev); pm_runtime_put_autosuspend(cs35l56->base.dev); } static int cs35l56_component_probe(struct snd_soc_component *component) { struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(component); struct dentry *debugfs_root = component->debugfs_root; unsigned short vendor, device; BUILD_BUG_ON(ARRAY_SIZE(cs35l56_tx_input_texts) != ARRAY_SIZE(cs35l56_tx_input_values)); if (!cs35l56->dsp.system_name && (snd_soc_card_get_pci_ssid(component->card, &vendor, &device) == 0)) { /* Append a speaker qualifier if there is a speaker ID */ if (cs35l56->speaker_id >= 0) { cs35l56->dsp.system_name = devm_kasprintf(cs35l56->base.dev, GFP_KERNEL, "%04x%04x-spkid%d", vendor, device, cs35l56->speaker_id); } else { cs35l56->dsp.system_name = devm_kasprintf(cs35l56->base.dev, GFP_KERNEL, "%04x%04x", vendor, device); } if (!cs35l56->dsp.system_name) return -ENOMEM; } if (!wait_for_completion_timeout(&cs35l56->init_completion, msecs_to_jiffies(5000))) { dev_err(cs35l56->base.dev, "%s: init_completion timed out\n", __func__); return -ENODEV; } cs35l56->dsp.part = kasprintf(GFP_KERNEL, "cs35l%02x", cs35l56->base.type); if (!cs35l56->dsp.part) return -ENOMEM; cs35l56->component = component; wm_adsp2_component_probe(&cs35l56->dsp, component); debugfs_create_bool("init_done", 0444, debugfs_root, &cs35l56->base.init_done); debugfs_create_bool("can_hibernate", 0444, debugfs_root, &cs35l56->base.can_hibernate); debugfs_create_bool("fw_patched", 0444, debugfs_root, &cs35l56->base.fw_patched); queue_work(cs35l56->dsp_wq, &cs35l56->dsp_work); return 0; } static void cs35l56_component_remove(struct snd_soc_component *component) { struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(component); cancel_work_sync(&cs35l56->dsp_work); if (cs35l56->dsp.cs_dsp.booted) wm_adsp_power_down(&cs35l56->dsp); wm_adsp2_component_remove(&cs35l56->dsp, component); kfree(cs35l56->dsp.part); cs35l56->dsp.part = NULL; kfree(cs35l56->dsp.fwf_name); cs35l56->dsp.fwf_name = NULL; cs35l56->component = NULL; } static int cs35l56_set_bias_level(struct snd_soc_component *component, enum snd_soc_bias_level level) { struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(component); switch (level) { case SND_SOC_BIAS_STANDBY: /* * Wait for patching to complete when transitioning from * BIAS_OFF to BIAS_STANDBY */ if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) cs35l56_wait_dsp_ready(cs35l56); break; default: break; } return 0; } static const struct snd_soc_component_driver soc_component_dev_cs35l56 = { .probe = cs35l56_component_probe, .remove = cs35l56_component_remove, .dapm_widgets = cs35l56_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(cs35l56_dapm_widgets), .dapm_routes = cs35l56_audio_map, .num_dapm_routes = ARRAY_SIZE(cs35l56_audio_map), .controls = cs35l56_controls, .num_controls = ARRAY_SIZE(cs35l56_controls), .set_bias_level = cs35l56_set_bias_level, .suspend_bias_off = 1, /* see cs35l56_system_resume() */ }; static int __maybe_unused cs35l56_runtime_suspend_i2c_spi(struct device *dev) { struct cs35l56_private *cs35l56 = dev_get_drvdata(dev); return cs35l56_runtime_suspend_common(&cs35l56->base); } static int __maybe_unused cs35l56_runtime_resume_i2c_spi(struct device *dev) { struct cs35l56_private *cs35l56 = dev_get_drvdata(dev); return cs35l56_runtime_resume_common(&cs35l56->base, false); } int cs35l56_system_suspend(struct device *dev) { struct cs35l56_private *cs35l56 = dev_get_drvdata(dev); dev_dbg(dev, "system_suspend\n"); if (cs35l56->component) flush_work(&cs35l56->dsp_work); /* * The interrupt line is normally shared, but after we start suspending * we can't check if our device is the source of an interrupt, and can't * clear it. Prevent this race by temporarily disabling the parent irq * until we reach _no_irq. */ if (cs35l56->base.irq) disable_irq(cs35l56->base.irq); return pm_runtime_force_suspend(dev); } EXPORT_SYMBOL_GPL(cs35l56_system_suspend); int cs35l56_system_suspend_late(struct device *dev) { struct cs35l56_private *cs35l56 = dev_get_drvdata(dev); dev_dbg(dev, "system_suspend_late\n"); /* * Assert RESET before removing supplies. * RESET is usually shared by all amps so it must not be asserted until * all driver instances have done their suspend() stage. */ if (cs35l56->base.reset_gpio) { gpiod_set_value_cansleep(cs35l56->base.reset_gpio, 0); cs35l56_wait_min_reset_pulse(); } regulator_bulk_disable(ARRAY_SIZE(cs35l56->supplies), cs35l56->supplies); return 0; } EXPORT_SYMBOL_GPL(cs35l56_system_suspend_late); int cs35l56_system_suspend_no_irq(struct device *dev) { struct cs35l56_private *cs35l56 = dev_get_drvdata(dev); dev_dbg(dev, "system_suspend_no_irq\n"); /* Handlers are now disabled so the parent IRQ can safely be re-enabled. */ if (cs35l56->base.irq) enable_irq(cs35l56->base.irq); return 0; } EXPORT_SYMBOL_GPL(cs35l56_system_suspend_no_irq); int cs35l56_system_resume_no_irq(struct device *dev) { struct cs35l56_private *cs35l56 = dev_get_drvdata(dev); dev_dbg(dev, "system_resume_no_irq\n"); /* * WAKE interrupts unmask if the CS35L56 hibernates, which can cause * spurious interrupts, and the interrupt line is normally shared. * We can't check if our device is the source of an interrupt, and can't * clear it, until it has fully resumed. Prevent this race by temporarily * disabling the parent irq until we complete resume(). */ if (cs35l56->base.irq) disable_irq(cs35l56->base.irq); return 0; } EXPORT_SYMBOL_GPL(cs35l56_system_resume_no_irq); int cs35l56_system_resume_early(struct device *dev) { struct cs35l56_private *cs35l56 = dev_get_drvdata(dev); int ret; dev_dbg(dev, "system_resume_early\n"); /* Ensure a spec-compliant RESET pulse. */ if (cs35l56->base.reset_gpio) { gpiod_set_value_cansleep(cs35l56->base.reset_gpio, 0); cs35l56_wait_min_reset_pulse(); } /* Enable supplies before releasing RESET. */ ret = regulator_bulk_enable(ARRAY_SIZE(cs35l56->supplies), cs35l56->supplies); if (ret) { dev_err(dev, "system_resume_early failed to enable supplies: %d\n", ret); return ret; } /* Release shared RESET before drivers start resume(). */ gpiod_set_value_cansleep(cs35l56->base.reset_gpio, 1); return 0; } EXPORT_SYMBOL_GPL(cs35l56_system_resume_early); int cs35l56_system_resume(struct device *dev) { struct cs35l56_private *cs35l56 = dev_get_drvdata(dev); int ret; dev_dbg(dev, "system_resume\n"); /* * We might have done a hard reset or the CS35L56 was power-cycled * so wait for control port to be ready. */ cs35l56_wait_control_port_ready(); /* Undo pm_runtime_force_suspend() before re-enabling the irq */ ret = pm_runtime_force_resume(dev); if (cs35l56->base.irq) enable_irq(cs35l56->base.irq); if (ret) return ret; /* Firmware won't have been loaded if the component hasn't probed */ if (!cs35l56->component) return 0; ret = cs35l56_is_fw_reload_needed(&cs35l56->base); dev_dbg(cs35l56->base.dev, "fw_reload_needed: %d\n", ret); if (ret < 1) return ret; cs35l56->base.fw_patched = false; wm_adsp_power_down(&cs35l56->dsp); queue_work(cs35l56->dsp_wq, &cs35l56->dsp_work); /* * suspend_bias_off ensures we are now in BIAS_OFF so there will be * a BIAS_OFF->BIAS_STANDBY transition to complete dsp patching. */ return 0; } EXPORT_SYMBOL_GPL(cs35l56_system_resume); static int cs35l56_control_add_nop(struct wm_adsp *dsp, struct cs_dsp_coeff_ctl *cs_ctl) { return 0; } static int cs35l56_dsp_init(struct cs35l56_private *cs35l56) { struct wm_adsp *dsp; int ret; cs35l56->dsp_wq = create_singlethread_workqueue("cs35l56-dsp"); if (!cs35l56->dsp_wq) return -ENOMEM; INIT_WORK(&cs35l56->dsp_work, cs35l56_dsp_work); dsp = &cs35l56->dsp; cs35l56_init_cs_dsp(&cs35l56->base, &dsp->cs_dsp); /* * dsp->part is filled in later as it is based on the DEVID. In a * SoundWire system that cannot be read until enumeration has occurred * and the device has attached. */ dsp->fw = 12; dsp->wmfw_optional = true; /* * None of the firmware controls need to be exported so add a no-op * callback that suppresses creating an ALSA control. */ dsp->control_add = &cs35l56_control_add_nop; dev_dbg(cs35l56->base.dev, "DSP system name: '%s'\n", dsp->system_name); ret = wm_halo_init(dsp); if (ret != 0) { dev_err(cs35l56->base.dev, "wm_halo_init failed\n"); return ret; } return 0; } static int cs35l56_get_firmware_uid(struct cs35l56_private *cs35l56) { struct device *dev = cs35l56->base.dev; const char *prop; int ret; ret = device_property_read_string(dev, "cirrus,firmware-uid", &prop); /* If bad sw node property, return 0 and fallback to legacy firmware path */ if (ret < 0) return 0; /* Append a speaker qualifier if there is a speaker ID */ if (cs35l56->speaker_id >= 0) cs35l56->dsp.system_name = devm_kasprintf(dev, GFP_KERNEL, "%s-spkid%d", prop, cs35l56->speaker_id); else cs35l56->dsp.system_name = devm_kstrdup(dev, prop, GFP_KERNEL); if (cs35l56->dsp.system_name == NULL) return -ENOMEM; dev_dbg(dev, "Firmware UID: %s\n", cs35l56->dsp.system_name); return 0; } /* * Some SoundWire laptops have a spk-id-gpios property but it points to * the wrong ACPI Device node so can't be used to get the GPIO. Try to * find the SDCA node containing the GpioIo resource and add a GPIO * mapping to it. */ static const struct acpi_gpio_params cs35l56_af01_first_gpio = { 0, 0, false }; static const struct acpi_gpio_mapping cs35l56_af01_spkid_gpios_mapping[] = { { "spk-id-gpios", &cs35l56_af01_first_gpio, 1 }, { } }; static void cs35l56_acpi_dev_release_driver_gpios(void *adev) { acpi_dev_remove_driver_gpios(adev); } static int cs35l56_try_get_broken_sdca_spkid_gpio(struct cs35l56_private *cs35l56) { struct fwnode_handle *af01_fwnode; const union acpi_object *obj; struct gpio_desc *desc; int ret; /* Find the SDCA node containing the GpioIo */ af01_fwnode = device_get_named_child_node(cs35l56->base.dev, "AF01"); if (!af01_fwnode) { dev_dbg(cs35l56->base.dev, "No AF01 node\n"); return -ENOENT; } ret = acpi_dev_get_property(ACPI_COMPANION(cs35l56->base.dev), "spk-id-gpios", ACPI_TYPE_PACKAGE, &obj); if (ret) { dev_dbg(cs35l56->base.dev, "Could not get spk-id-gpios package: %d\n", ret); fwnode_handle_put(af01_fwnode); return -ENOENT; } /* The broken properties we can handle are a 4-element package (one GPIO) */ if (obj->package.count != 4) { dev_warn(cs35l56->base.dev, "Unexpected spk-id element count %d\n", obj->package.count); fwnode_handle_put(af01_fwnode); return -ENOENT; } /* Add a GPIO mapping if it doesn't already have one */ if (!fwnode_property_present(af01_fwnode, "spk-id-gpios")) { struct acpi_device *adev = to_acpi_device_node(af01_fwnode); /* * Can't use devm_acpi_dev_add_driver_gpios() because the * mapping isn't being added to the node pointed to by * ACPI_COMPANION(). */ ret = acpi_dev_add_driver_gpios(adev, cs35l56_af01_spkid_gpios_mapping); if (ret) { fwnode_handle_put(af01_fwnode); return dev_err_probe(cs35l56->base.dev, ret, "Failed to add gpio mapping to AF01\n"); } ret = devm_add_action_or_reset(cs35l56->base.dev, cs35l56_acpi_dev_release_driver_gpios, adev); if (ret) { fwnode_handle_put(af01_fwnode); return ret; } dev_dbg(cs35l56->base.dev, "Added spk-id-gpios mapping to AF01\n"); } desc = fwnode_gpiod_get_index(af01_fwnode, "spk-id", 0, GPIOD_IN, NULL); if (IS_ERR(desc)) { fwnode_handle_put(af01_fwnode); ret = PTR_ERR(desc); return dev_err_probe(cs35l56->base.dev, ret, "Get GPIO from AF01 failed\n"); } ret = gpiod_get_value_cansleep(desc); gpiod_put(desc); if (ret < 0) { fwnode_handle_put(af01_fwnode); dev_err_probe(cs35l56->base.dev, ret, "Error reading spk-id GPIO\n"); return ret; } fwnode_handle_put(af01_fwnode); dev_info(cs35l56->base.dev, "Got spk-id from AF01\n"); return ret; } int cs35l56_common_probe(struct cs35l56_private *cs35l56) { int ret; init_completion(&cs35l56->init_completion); mutex_init(&cs35l56->base.irq_lock); cs35l56->base.cal_index = -1; cs35l56->speaker_id = -ENOENT; dev_set_drvdata(cs35l56->base.dev, cs35l56); cs35l56_fill_supply_names(cs35l56->supplies); ret = devm_regulator_bulk_get(cs35l56->base.dev, ARRAY_SIZE(cs35l56->supplies), cs35l56->supplies); if (ret != 0) return dev_err_probe(cs35l56->base.dev, ret, "Failed to request supplies\n"); /* Reset could be controlled by the BIOS or shared by multiple amps */ cs35l56->base.reset_gpio = devm_gpiod_get_optional(cs35l56->base.dev, "reset", GPIOD_OUT_LOW); if (IS_ERR(cs35l56->base.reset_gpio)) { ret = PTR_ERR(cs35l56->base.reset_gpio); /* * If RESET is shared the first amp to probe will grab the reset * line and reset all the amps */ if (ret != -EBUSY) return dev_err_probe(cs35l56->base.dev, ret, "Failed to get reset GPIO\n"); dev_info(cs35l56->base.dev, "Reset GPIO busy, assume shared reset\n"); cs35l56->base.reset_gpio = NULL; } ret = regulator_bulk_enable(ARRAY_SIZE(cs35l56->supplies), cs35l56->supplies); if (ret != 0) return dev_err_probe(cs35l56->base.dev, ret, "Failed to enable supplies\n"); if (cs35l56->base.reset_gpio) { /* ACPI can override GPIOD_OUT_LOW flag so force it to start low */ gpiod_set_value_cansleep(cs35l56->base.reset_gpio, 0); cs35l56_wait_min_reset_pulse(); gpiod_set_value_cansleep(cs35l56->base.reset_gpio, 1); } ret = cs35l56_get_speaker_id(&cs35l56->base); if (ACPI_COMPANION(cs35l56->base.dev) && cs35l56->sdw_peripheral && (ret == -ENOENT)) ret = cs35l56_try_get_broken_sdca_spkid_gpio(cs35l56); if ((ret < 0) && (ret != -ENOENT)) goto err; cs35l56->speaker_id = ret; ret = cs35l56_get_firmware_uid(cs35l56); if (ret != 0) goto err; ret = cs35l56_dsp_init(cs35l56); if (ret < 0) { dev_err_probe(cs35l56->base.dev, ret, "DSP init failed\n"); goto err; } ret = devm_snd_soc_register_component(cs35l56->base.dev, &soc_component_dev_cs35l56, cs35l56_dai, ARRAY_SIZE(cs35l56_dai)); if (ret < 0) { dev_err_probe(cs35l56->base.dev, ret, "Register codec failed\n"); goto err; } return 0; err: gpiod_set_value_cansleep(cs35l56->base.reset_gpio, 0); regulator_bulk_disable(ARRAY_SIZE(cs35l56->supplies), cs35l56->supplies); return ret; } EXPORT_SYMBOL_NS_GPL(cs35l56_common_probe, SND_SOC_CS35L56_CORE); int cs35l56_init(struct cs35l56_private *cs35l56) { int ret; /* * Check whether the actions associated with soft reset or one time * init need to be performed. */ if (cs35l56->soft_resetting) goto post_soft_reset; if (cs35l56->base.init_done) return 0; pm_runtime_set_autosuspend_delay(cs35l56->base.dev, 100); pm_runtime_use_autosuspend(cs35l56->base.dev); pm_runtime_set_active(cs35l56->base.dev); pm_runtime_enable(cs35l56->base.dev); ret = cs35l56_hw_init(&cs35l56->base); if (ret < 0) return ret; ret = cs35l56_set_patch(&cs35l56->base); if (ret) return ret; ret = cs35l56_get_calibration(&cs35l56->base); if (ret) return ret; if (!cs35l56->base.reset_gpio) { dev_dbg(cs35l56->base.dev, "No reset gpio: using soft reset\n"); cs35l56->soft_resetting = true; cs35l56_system_reset(&cs35l56->base, !!cs35l56->sdw_peripheral); if (cs35l56->sdw_peripheral) { /* Keep alive while we wait for re-enumeration */ pm_runtime_get_noresume(cs35l56->base.dev); return 0; } } post_soft_reset: if (cs35l56->soft_resetting) { cs35l56->soft_resetting = false; /* Done re-enumerating after one-time init so release the keep-alive */ if (cs35l56->sdw_peripheral && !cs35l56->base.init_done) pm_runtime_put_noidle(cs35l56->base.dev); regcache_mark_dirty(cs35l56->base.regmap); ret = cs35l56_wait_for_firmware_boot(&cs35l56->base); if (ret) return ret; dev_dbg(cs35l56->base.dev, "Firmware rebooted after soft reset\n"); regcache_cache_only(cs35l56->base.regmap, false); } /* Disable auto-hibernate so that runtime_pm has control */ ret = cs35l56_mbox_send(&cs35l56->base, CS35L56_MBOX_CMD_PREVENT_AUTO_HIBERNATE); if (ret) return ret; /* Registers could be dirty after soft reset or SoundWire enumeration */ regcache_sync(cs35l56->base.regmap); /* Set ASP1 DOUT to high-impedance when it is not transmitting audio data. */ ret = regmap_set_bits(cs35l56->base.regmap, CS35L56_ASP1_CONTROL3, CS35L56_ASP1_DOUT_HIZ_CTRL_MASK); if (ret) return dev_err_probe(cs35l56->base.dev, ret, "Failed to write ASP1_CONTROL3\n"); cs35l56->base.init_done = true; complete(&cs35l56->init_completion); return 0; } EXPORT_SYMBOL_NS_GPL(cs35l56_init, SND_SOC_CS35L56_CORE); void cs35l56_remove(struct cs35l56_private *cs35l56) { cs35l56->base.init_done = false; /* * WAKE IRQs unmask if CS35L56 hibernates so free the handler to * prevent it racing with remove(). */ if (cs35l56->base.irq) devm_free_irq(cs35l56->base.dev, cs35l56->base.irq, &cs35l56->base); flush_workqueue(cs35l56->dsp_wq); destroy_workqueue(cs35l56->dsp_wq); pm_runtime_dont_use_autosuspend(cs35l56->base.dev); pm_runtime_suspend(cs35l56->base.dev); pm_runtime_disable(cs35l56->base.dev); regcache_cache_only(cs35l56->base.regmap, true); gpiod_set_value_cansleep(cs35l56->base.reset_gpio, 0); regulator_bulk_disable(ARRAY_SIZE(cs35l56->supplies), cs35l56->supplies); } EXPORT_SYMBOL_NS_GPL(cs35l56_remove, SND_SOC_CS35L56_CORE); #if IS_ENABLED(CONFIG_SND_SOC_CS35L56_I2C) || IS_ENABLED(CONFIG_SND_SOC_CS35L56_SPI) EXPORT_NS_GPL_DEV_PM_OPS(cs35l56_pm_ops_i2c_spi, SND_SOC_CS35L56_CORE) = { SET_RUNTIME_PM_OPS(cs35l56_runtime_suspend_i2c_spi, cs35l56_runtime_resume_i2c_spi, NULL) SYSTEM_SLEEP_PM_OPS(cs35l56_system_suspend, cs35l56_system_resume) LATE_SYSTEM_SLEEP_PM_OPS(cs35l56_system_suspend_late, cs35l56_system_resume_early) NOIRQ_SYSTEM_SLEEP_PM_OPS(cs35l56_system_suspend_no_irq, cs35l56_system_resume_no_irq) }; #endif MODULE_DESCRIPTION("ASoC CS35L56 driver"); MODULE_IMPORT_NS(SND_SOC_CS35L56_SHARED); MODULE_IMPORT_NS(SND_SOC_CS_AMP_LIB); MODULE_AUTHOR("Richard Fitzgerald <rf@opensource.cirrus.com>"); MODULE_AUTHOR("Simon Trimmer <simont@opensource.cirrus.com>"); MODULE_LICENSE("GPL");
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