diff options
Diffstat (limited to 'sound/soc/codecs/cs35l56.c')
| -rw-r--r-- | sound/soc/codecs/cs35l56.c | 699 |
1 files changed, 156 insertions, 543 deletions
diff --git a/sound/soc/codecs/cs35l56.c b/sound/soc/codecs/cs35l56.c index fd06b9f9d496..600b79c62ec4 100644 --- a/sound/soc/codecs/cs35l56.c +++ b/sound/soc/codecs/cs35l56.c @@ -33,23 +33,6 @@ static int cs35l56_dsp_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event); -static int cs35l56_mbox_send(struct cs35l56_private *cs35l56, unsigned int command) -{ - unsigned int val; - int ret; - - regmap_write(cs35l56->regmap, CS35L56_DSP_VIRTUAL1_MBOX_1, command); - ret = regmap_read_poll_timeout(cs35l56->regmap, CS35L56_DSP_VIRTUAL1_MBOX_1, - val, (val == 0), - CS35L56_MBOX_POLL_US, CS35L56_MBOX_TIMEOUT_US); - if (ret) { - dev_warn(cs35l56->dev, "MBOX command %#x failed: %d\n", command, ret); - return ret; - } - - return 0; -} - static void cs35l56_wait_dsp_ready(struct cs35l56_private *cs35l56) { /* Wait for patching to complete */ @@ -173,25 +156,25 @@ static int cs35l56_play_event(struct snd_soc_dapm_widget *w, unsigned int val; int ret; - dev_dbg(cs35l56->dev, "play: %d\n", event); + 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->regmap, CS35L56_DSP_VIRTUAL1_MBOX_1, + 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->regmap, + 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->dev, "PS0 wait failed: %d\n", 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, CS35L56_MBOX_CMD_AUDIO_PAUSE); + return cs35l56_mbox_send(&cs35l56->base, CS35L56_MBOX_CMD_AUDIO_PAUSE); default: return 0; } @@ -309,109 +292,23 @@ static int cs35l56_dsp_event(struct snd_soc_dapm_widget *w, 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->dev, "%s: %d\n", __func__, event); + dev_dbg(cs35l56->base.dev, "%s: %d\n", __func__, event); return wm_adsp_event(w, kcontrol, event); } -irqreturn_t cs35l56_irq(int irq, void *data) -{ - struct cs35l56_private *cs35l56 = data; - unsigned int status1 = 0, status8 = 0, status20 = 0; - unsigned int mask1, mask8, mask20; - unsigned int val; - int rv; - - irqreturn_t ret = IRQ_NONE; - - if (!cs35l56->init_done) - return IRQ_NONE; - - mutex_lock(&cs35l56->irq_lock); - - rv = pm_runtime_resume_and_get(cs35l56->dev); - if (rv < 0) { - dev_err(cs35l56->dev, "irq: failed to get pm_runtime: %d\n", rv); - goto err_unlock; - } - - regmap_read(cs35l56->regmap, CS35L56_IRQ1_STATUS, &val); - if ((val & CS35L56_IRQ1_STS_MASK) == 0) { - dev_dbg(cs35l56->dev, "Spurious IRQ: no pending interrupt\n"); - goto err; - } - - /* Ack interrupts */ - regmap_read(cs35l56->regmap, CS35L56_IRQ1_EINT_1, &status1); - regmap_read(cs35l56->regmap, CS35L56_IRQ1_MASK_1, &mask1); - status1 &= ~mask1; - regmap_write(cs35l56->regmap, CS35L56_IRQ1_EINT_1, status1); - - regmap_read(cs35l56->regmap, CS35L56_IRQ1_EINT_8, &status8); - regmap_read(cs35l56->regmap, CS35L56_IRQ1_MASK_8, &mask8); - status8 &= ~mask8; - regmap_write(cs35l56->regmap, CS35L56_IRQ1_EINT_8, status8); - - regmap_read(cs35l56->regmap, CS35L56_IRQ1_EINT_20, &status20); - regmap_read(cs35l56->regmap, CS35L56_IRQ1_MASK_20, &mask20); - status20 &= ~mask20; - /* We don't want EINT20 but they default to unmasked: force mask */ - regmap_write(cs35l56->regmap, CS35L56_IRQ1_MASK_20, 0xffffffff); - - dev_dbg(cs35l56->dev, "%s: %#x %#x\n", __func__, status1, status8); - - /* Check to see if unmasked bits are active */ - if (!status1 && !status8 && !status20) - goto err; - - if (status1 & CS35L56_AMP_SHORT_ERR_EINT1_MASK) - dev_crit(cs35l56->dev, "Amp short error\n"); - - if (status8 & CS35L56_TEMP_ERR_EINT1_MASK) - dev_crit(cs35l56->dev, "Overtemp error\n"); - - ret = IRQ_HANDLED; - -err: - pm_runtime_put(cs35l56->dev); -err_unlock: - mutex_unlock(&cs35l56->irq_lock); - - return ret; -} -EXPORT_SYMBOL_NS_GPL(cs35l56_irq, SND_SOC_CS35L56_CORE); - -int cs35l56_irq_request(struct cs35l56_private *cs35l56, int irq) -{ - int ret; - - if (!irq) - return 0; - - ret = devm_request_threaded_irq(cs35l56->dev, irq, NULL, cs35l56_irq, - IRQF_ONESHOT | IRQF_SHARED | IRQF_TRIGGER_LOW, - "cs35l56", cs35l56); - if (!ret) - cs35l56->irq = irq; - else - dev_err(cs35l56->dev, "Failed to get IRQ: %d\n", ret); - - return ret; -} -EXPORT_SYMBOL_NS_GPL(cs35l56_irq_request, SND_SOC_CS35L56_CORE); - 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->dev, "%s: %#x\n", __func__, fmt); + 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->dev, "Unsupported clock source mode\n"); + dev_err(cs35l56->base.dev, "Unsupported clock source mode\n"); return -EINVAL; } @@ -425,7 +322,7 @@ static int cs35l56_asp_dai_set_fmt(struct snd_soc_dai *codec_dai, unsigned int f cs35l56->tdm_mode = false; break; default: - dev_err(cs35l56->dev, "Unsupported DAI format\n"); + dev_err(cs35l56->base.dev, "Unsupported DAI format\n"); return -EINVAL; } @@ -442,40 +339,29 @@ static int cs35l56_asp_dai_set_fmt(struct snd_soc_dai *codec_dai, unsigned int f case SND_SOC_DAIFMT_NB_NF: break; default: - dev_err(cs35l56->dev, "Invalid clock invert\n"); + dev_err(cs35l56->base.dev, "Invalid clock invert\n"); return -EINVAL; } - regmap_update_bits(cs35l56->regmap, + 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->regmap, CS35L56_ASP1_CONTROL3, + regmap_update_bits(cs35l56->base.regmap, CS35L56_ASP1_CONTROL3, CS35L56_ASP1_DOUT_HIZ_CTRL_MASK, CS35L56_ASP_UNUSED_HIZ_OFF_HIZ); return 0; } -static void cs35l56_set_asp_slot_positions(struct cs35l56_private *cs35l56, - unsigned int reg, unsigned long mask) +static unsigned int cs35l56_make_tdm_config_word(unsigned int reg_val, unsigned long mask) { - unsigned int reg_val, channel_shift; + unsigned int channel_shift; int bit_num; - /* Init all slots to 63 */ - switch (reg) { - case CS35L56_ASP1_FRAME_CONTROL1: - reg_val = 0x3f3f3f3f; - break; - case CS35L56_ASP1_FRAME_CONTROL5: - reg_val = 0x3f3f3f; - break; - } - /* Enable consecutive TX1..TXn for each of the slots set in mask */ channel_shift = 0; for_each_set_bit(bit_num, &mask, 32) { @@ -484,7 +370,7 @@ static void cs35l56_set_asp_slot_positions(struct cs35l56_private *cs35l56, channel_shift += 8; } - regmap_write(cs35l56->regmap, reg, reg_val); + return reg_val; } static int cs35l56_asp_dai_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, @@ -493,20 +379,20 @@ static int cs35l56_asp_dai_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(dai->component); if ((slots == 0) || (slot_width == 0)) { - dev_dbg(cs35l56->dev, "tdm config cleared\n"); + 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->dev, "tdm invalid slot width %d\n", slot_width); + 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->dev, "tdm invalid slot count %d\n", slots); + dev_err(cs35l56->base.dev, "tdm invalid slot count %d\n", slots); return -EINVAL; } @@ -520,10 +406,13 @@ static int cs35l56_asp_dai_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx if (rx_mask == 0) rx_mask = 0xf; // ASPTX1..TX4 in slots 0..3 - cs35l56_set_asp_slot_positions(cs35l56, CS35L56_ASP1_FRAME_CONTROL1, rx_mask); - cs35l56_set_asp_slot_positions(cs35l56, CS35L56_ASP1_FRAME_CONTROL5, tx_mask); + /* 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->dev, "tdm slot width: %u count: %u tx_mask: %#x rx_mask: %#x\n", + 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; @@ -543,7 +432,8 @@ static int cs35l56_asp_dai_hw_params(struct snd_pcm_substream *substream, else asp_width = asp_wl; - dev_dbg(cs35l56->dev, "%s: wl=%d, width=%d, rate=%d", __func__, asp_wl, asp_width, rate); + 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; @@ -561,26 +451,26 @@ static int cs35l56_asp_dai_hw_params(struct snd_pcm_substream *substream, bclk_freq = asp_width * slots * rate; freq_id = cs35l56_get_bclk_freq_id(bclk_freq); if (freq_id < 0) { - dev_err(cs35l56->dev, "%s: Invalid BCLK %u\n", __func__, bclk_freq); + dev_err(cs35l56->base.dev, "%s: Invalid BCLK %u\n", __func__, bclk_freq); return -EINVAL; } - regmap_update_bits(cs35l56->regmap, CS35L56_ASP1_CONTROL1, + 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->regmap, CS35L56_ASP1_CONTROL2, + 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->regmap, CS35L56_ASP1_DATA_CONTROL5, + regmap_update_bits(cs35l56->base.regmap, CS35L56_ASP1_DATA_CONTROL5, CS35L56_ASP_RX_WL_MASK, asp_wl); } else { - regmap_update_bits(cs35l56->regmap, CS35L56_ASP1_CONTROL2, + 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->regmap, CS35L56_ASP1_DATA_CONTROL1, + regmap_update_bits(cs35l56->base.regmap, CS35L56_ASP1_DATA_CONTROL1, CS35L56_ASP_TX_WL_MASK, asp_wl); } @@ -602,7 +492,7 @@ static int cs35l56_asp_dai_set_sysclk(struct snd_soc_dai *dai, if (freq_id < 0) return freq_id; - regmap_update_bits(cs35l56->regmap, CS35L56_ASP1_CONTROL1, + 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; @@ -645,9 +535,9 @@ static int cs35l56_sdw_dai_hw_params(struct snd_pcm_substream *substream, struct sdw_port_config pconfig; int ret; - dev_dbg(cs35l56->dev, "%s: rate %d\n", __func__, params_rate(params)); + dev_dbg(cs35l56->base.dev, "%s: rate %d\n", __func__, params_rate(params)); - if (!cs35l56->init_done) + if (!cs35l56->base.init_done) return -ENODEV; if (!sdw_stream) @@ -760,85 +650,31 @@ static struct snd_soc_dai_driver cs35l56_dai[] = { } }; -static int cs35l56_wait_for_firmware_boot(struct cs35l56_private *cs35l56) -{ - unsigned int reg; - unsigned int val; - int ret; - - if (cs35l56->rev < CS35L56_REVID_B0) - reg = CS35L56_DSP1_HALO_STATE_A1; - else - reg = CS35L56_DSP1_HALO_STATE; - - ret = regmap_read_poll_timeout(cs35l56->regmap, reg, - val, - (val < 0xFFFF) && (val >= CS35L56_HALO_STATE_BOOT_DONE), - CS35L56_HALO_STATE_POLL_US, - CS35L56_HALO_STATE_TIMEOUT_US); - - if ((ret < 0) && (ret != -ETIMEDOUT)) { - dev_err(cs35l56->dev, "Failed to read HALO_STATE: %d\n", ret); - return ret; - } - - if ((ret == -ETIMEDOUT) || (val != CS35L56_HALO_STATE_BOOT_DONE)) { - dev_err(cs35l56->dev, "Firmware boot fail: HALO_STATE=%#x\n", val); - return -EIO; - } - - return 0; -} - -static inline void cs35l56_wait_min_reset_pulse(void) -{ - /* Satisfy minimum reset pulse width spec */ - usleep_range(CS35L56_RESET_PULSE_MIN_US, 2 * CS35L56_RESET_PULSE_MIN_US); -} - -static const struct reg_sequence cs35l56_system_reset_seq[] = { - REG_SEQ0(CS35L56_DSP_VIRTUAL1_MBOX_1, CS35L56_MBOX_CMD_SYSTEM_RESET), -}; - -static void cs35l56_system_reset(struct cs35l56_private *cs35l56) -{ - cs35l56->soft_resetting = true; - - /* - * Must enter cache-only first so there can't be any more register - * accesses other than the controlled system reset sequence below. - */ - regcache_cache_only(cs35l56->regmap, true); - regmap_multi_reg_write_bypassed(cs35l56->regmap, - cs35l56_system_reset_seq, - ARRAY_SIZE(cs35l56_system_reset_seq)); - - /* On SoundWire the registers won't be accessible until it re-enumerates. */ - if (cs35l56->sdw_peripheral) - return; - - usleep_range(CS35L56_CONTROL_PORT_READY_US, CS35L56_CONTROL_PORT_READY_US + 400); - regcache_cache_only(cs35l56->regmap, false); -} - static void cs35l56_secure_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); + ret = wm_adsp_power_up(&cs35l56->dsp, true); if (ret) - dev_dbg(cs35l56->dev, "%s: wm_adsp_power_up ret %d\n", __func__, ret); + dev_dbg(cs35l56->base.dev, "%s: wm_adsp_power_up ret %d\n", __func__, ret); else - cs35l56_mbox_send(cs35l56, CS35L56_MBOX_CMD_AUDIO_REINIT); + cs35l56_mbox_send(&cs35l56->base, CS35L56_MBOX_CMD_AUDIO_REINIT); } static void cs35l56_patch(struct cs35l56_private *cs35l56) { - unsigned int reg; - unsigned int val; + unsigned int firmware_missing; int ret; + ret = regmap_read(cs35l56->base.regmap, CS35L56_PROTECTION_STATUS, &firmware_missing); + if (ret) { + dev_err(cs35l56->base.dev, "Failed to read PROTECTION_STATUS: %d\n", ret); + return; + } + + firmware_missing &= CS35L56_FIRMWARE_MISSING; + /* * Disable SoundWire interrupts to prevent race with IRQ work. * Setting sdw_irq_no_unmask prevents the handler re-enabling @@ -853,35 +689,27 @@ static void cs35l56_patch(struct cs35l56_private *cs35l56) flush_work(&cs35l56->sdw_irq_work); } - ret = cs35l56_mbox_send(cs35l56, CS35L56_MBOX_CMD_SHUTDOWN); + ret = cs35l56_firmware_shutdown(&cs35l56->base); if (ret) goto err; - if (cs35l56->rev < CS35L56_REVID_B0) - reg = CS35L56_DSP1_PM_CUR_STATE_A1; - else - reg = CS35L56_DSP1_PM_CUR_STATE; - - ret = regmap_read_poll_timeout(cs35l56->regmap, reg, - val, (val == CS35L56_HALO_STATE_SHUTDOWN), - CS35L56_HALO_STATE_POLL_US, - CS35L56_HALO_STATE_TIMEOUT_US); - if (ret < 0) - dev_err(cs35l56->dev, "Failed to poll PM_CUR_STATE to 1 is %d (ret %d)\n", - val, ret); - - /* Use wm_adsp to load and apply the firmware patch and coefficient files */ - ret = wm_adsp_power_up(&cs35l56->dsp); + /* + * 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->dev, "%s: wm_adsp_power_up ret %d\n", __func__, ret); + dev_dbg(cs35l56->base.dev, "%s: wm_adsp_power_up ret %d\n", __func__, ret); goto err; } - mutex_lock(&cs35l56->irq_lock); + mutex_lock(&cs35l56->base.irq_lock); init_completion(&cs35l56->init_completion); - cs35l56_system_reset(cs35l56); + cs35l56->soft_resetting = true; + cs35l56_system_reset(&cs35l56->base, !!cs35l56->sdw_peripheral); if (cs35l56->sdw_peripheral) { /* @@ -891,18 +719,20 @@ static void cs35l56_patch(struct cs35l56_private *cs35l56) */ if (!wait_for_completion_timeout(&cs35l56->init_completion, msecs_to_jiffies(5000))) { - dev_err(cs35l56->dev, "%s: init_completion timed out (SDW)\n", __func__); + 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->regmap, CS35L56_PROTECTION_STATUS, CS35L56_FIRMWARE_MISSING); - cs35l56->fw_patched = true; + regmap_clear_bits(cs35l56->base.regmap, CS35L56_PROTECTION_STATUS, + CS35L56_FIRMWARE_MISSING); + cs35l56->base.fw_patched = true; err_unlock: - mutex_unlock(&cs35l56->irq_lock); + mutex_unlock(&cs35l56->base.irq_lock); err: /* Re-enable SoundWire interrupts */ if (cs35l56->sdw_peripheral) { @@ -918,10 +748,10 @@ static void cs35l56_dsp_work(struct work_struct *work) struct cs35l56_private, dsp_work); - if (!cs35l56->init_done) + if (!cs35l56->base.init_done) return; - pm_runtime_get_sync(cs35l56->dev); + pm_runtime_get_sync(cs35l56->base.dev); /* * When the device is running in secure mode the firmware files can @@ -929,13 +759,13 @@ static void cs35l56_dsp_work(struct work_struct *work) * shutdown the firmware to apply them and can use the lower cost * reinit sequence instead. */ - if (cs35l56->secured) + if (cs35l56->base.secured) cs35l56_secure_patch(cs35l56); else cs35l56_patch(cs35l56); - pm_runtime_mark_last_busy(cs35l56->dev); - pm_runtime_put_autosuspend(cs35l56->dev); + 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) @@ -947,16 +777,16 @@ static int cs35l56_component_probe(struct snd_soc_component *component) if (!wait_for_completion_timeout(&cs35l56->init_completion, msecs_to_jiffies(5000))) { - dev_err(cs35l56->dev, "%s: init_completion timed out\n", __func__); + dev_err(cs35l56->base.dev, "%s: init_completion timed out\n", __func__); return -ENODEV; } cs35l56->component = component; wm_adsp2_component_probe(&cs35l56->dsp, component); - debugfs_create_bool("init_done", 0444, debugfs_root, &cs35l56->init_done); - debugfs_create_bool("can_hibernate", 0444, debugfs_root, &cs35l56->can_hibernate); - debugfs_create_bool("fw_patched", 0444, debugfs_root, &cs35l56->fw_patched); + 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); @@ -1008,171 +838,18 @@ static const struct snd_soc_component_driver soc_component_dev_cs35l56 = { .suspend_bias_off = 1, /* see cs35l56_system_resume() */ }; -static const struct reg_sequence cs35l56_hibernate_seq[] = { - /* This must be the last register access */ - REG_SEQ0(CS35L56_DSP_VIRTUAL1_MBOX_1, CS35L56_MBOX_CMD_HIBERNATE_NOW), -}; - -static const struct reg_sequence cs35l56_hibernate_wake_seq[] = { - REG_SEQ0(CS35L56_DSP_VIRTUAL1_MBOX_1, CS35L56_MBOX_CMD_WAKEUP), -}; - -int cs35l56_runtime_suspend(struct device *dev) +static int __maybe_unused cs35l56_runtime_suspend_i2c_spi(struct device *dev) { struct cs35l56_private *cs35l56 = dev_get_drvdata(dev); - unsigned int val; - int ret; - - if (!cs35l56->init_done) - return 0; - - /* Firmware must have entered a power-save state */ - ret = regmap_read_poll_timeout(cs35l56->regmap, - CS35L56_TRANSDUCER_ACTUAL_PS, - val, (val >= CS35L56_PS3), - CS35L56_PS3_POLL_US, - CS35L56_PS3_TIMEOUT_US); - if (ret) - dev_warn(cs35l56->dev, "PS3 wait failed: %d\n", ret); - - /* Clear BOOT_DONE so it can be used to detect a reboot */ - regmap_write(cs35l56->regmap, CS35L56_IRQ1_EINT_4, CS35L56_OTP_BOOT_DONE_MASK); - - if (!cs35l56->can_hibernate) { - regcache_cache_only(cs35l56->regmap, true); - dev_dbg(dev, "Suspended: no hibernate"); - - return 0; - } - - /* - * Enable auto-hibernate. If it is woken by some other wake source - * it will automatically return to hibernate. - */ - cs35l56_mbox_send(cs35l56, CS35L56_MBOX_CMD_ALLOW_AUTO_HIBERNATE); - - /* - * Must enter cache-only first so there can't be any more register - * accesses other than the controlled hibernate sequence below. - */ - regcache_cache_only(cs35l56->regmap, true); - - regmap_multi_reg_write_bypassed(cs35l56->regmap, - cs35l56_hibernate_seq, - ARRAY_SIZE(cs35l56_hibernate_seq)); - - dev_dbg(dev, "Suspended: hibernate"); - return 0; + return cs35l56_runtime_suspend_common(&cs35l56->base); } -EXPORT_SYMBOL_NS_GPL(cs35l56_runtime_suspend, SND_SOC_CS35L56_CORE); static int __maybe_unused cs35l56_runtime_resume_i2c_spi(struct device *dev) { struct cs35l56_private *cs35l56 = dev_get_drvdata(dev); - if (!cs35l56->init_done) - return 0; - - return cs35l56_runtime_resume_common(cs35l56); -} - -int cs35l56_runtime_resume_common(struct cs35l56_private *cs35l56) -{ - unsigned int val; - int ret; - - if (!cs35l56->can_hibernate) - goto out_sync; - - if (!cs35l56->sdw_peripheral) { - /* - * Dummy transaction to trigger I2C/SPI auto-wake. This will NAK on I2C. - * Must be done before releasing cache-only. - */ - regmap_multi_reg_write_bypassed(cs35l56->regmap, - cs35l56_hibernate_wake_seq, - ARRAY_SIZE(cs35l56_hibernate_wake_seq)); - - usleep_range(CS35L56_CONTROL_PORT_READY_US, - CS35L56_CONTROL_PORT_READY_US + 400); - } - -out_sync: - regcache_cache_only(cs35l56->regmap, false); - - ret = cs35l56_wait_for_firmware_boot(cs35l56); - if (ret) { - dev_err(cs35l56->dev, "Hibernate wake failed: %d\n", ret); - goto err; - } - - ret = cs35l56_mbox_send(cs35l56, CS35L56_MBOX_CMD_PREVENT_AUTO_HIBERNATE); - if (ret) - goto err; - - /* BOOT_DONE will be 1 if the amp reset */ - regmap_read(cs35l56->regmap, CS35L56_IRQ1_EINT_4, &val); - if (val & CS35L56_OTP_BOOT_DONE_MASK) { - dev_dbg(cs35l56->dev, "Registers reset in suspend\n"); - regcache_mark_dirty(cs35l56->regmap); - } - - regcache_sync(cs35l56->regmap); - - dev_dbg(cs35l56->dev, "Resumed"); - - return 0; - -err: - regmap_write(cs35l56->regmap, CS35L56_DSP_VIRTUAL1_MBOX_1, - CS35L56_MBOX_CMD_HIBERNATE_NOW); - - regcache_cache_only(cs35l56->regmap, true); - - return ret; -} -EXPORT_SYMBOL_NS_GPL(cs35l56_runtime_resume_common, SND_SOC_CS35L56_CORE); - -static int cs35l56_is_fw_reload_needed(struct cs35l56_private *cs35l56) -{ - unsigned int val; - int ret; - - /* Nothing to re-patch if we haven't done any patching yet. */ - if (!cs35l56->fw_patched) - return false; - - /* - * If we have control of RESET we will have asserted it so the firmware - * will need re-patching. - */ - if (cs35l56->reset_gpio) - return true; - - /* - * In secure mode FIRMWARE_MISSING is cleared by the BIOS loader so - * can't be used here to test for memory retention. - * Assume that tuning must be re-loaded. - */ - if (cs35l56->secured) - return true; - - ret = pm_runtime_resume_and_get(cs35l56->dev); - if (ret) { - dev_err(cs35l56->dev, "Failed to runtime_get: %d\n", ret); - return ret; - } - - ret = regmap_read(cs35l56->regmap, CS35L56_PROTECTION_STATUS, &val); - if (ret) - dev_err(cs35l56->dev, "Failed to read PROTECTION_STATUS: %d\n", ret); - else - ret = !!(val & CS35L56_FIRMWARE_MISSING); - - pm_runtime_put_autosuspend(cs35l56->dev); - - return ret; + return cs35l56_runtime_resume_common(&cs35l56->base, false); } int cs35l56_system_suspend(struct device *dev) @@ -1190,8 +867,8 @@ int cs35l56_system_suspend(struct device *dev) * clear it. Prevent this race by temporarily disabling the parent irq * until we reach _no_irq. */ - if (cs35l56->irq) - disable_irq(cs35l56->irq); + if (cs35l56->base.irq) + disable_irq(cs35l56->base.irq); return pm_runtime_force_suspend(dev); } @@ -1208,8 +885,8 @@ int cs35l56_system_suspend_late(struct device *dev) * RESET is usually shared by all amps so it must not be asserted until * all driver instances have done their suspend() stage. */ - if (cs35l56->reset_gpio) { - gpiod_set_value_cansleep(cs35l56->reset_gpio, 0); + if (cs35l56->base.reset_gpio) { + gpiod_set_value_cansleep(cs35l56->base.reset_gpio, 0); cs35l56_wait_min_reset_pulse(); } @@ -1226,8 +903,8 @@ int cs35l56_system_suspend_no_irq(struct device *dev) dev_dbg(dev, "system_suspend_no_irq\n"); /* Handlers are now disabled so the parent IRQ can safely be re-enabled. */ - if (cs35l56->irq) - enable_irq(cs35l56->irq); + if (cs35l56->base.irq) + enable_irq(cs35l56->base.irq); return 0; } @@ -1246,8 +923,8 @@ int cs35l56_system_resume_no_irq(struct device *dev) * clear it, until it has fully resumed. Prevent this race by temporarily * disabling the parent irq until we complete resume(). */ - if (cs35l56->irq) - disable_irq(cs35l56->irq); + if (cs35l56->base.irq) + disable_irq(cs35l56->base.irq); return 0; } @@ -1261,8 +938,8 @@ int cs35l56_system_resume_early(struct device *dev) dev_dbg(dev, "system_resume_early\n"); /* Ensure a spec-compliant RESET pulse. */ - if (cs35l56->reset_gpio) { - gpiod_set_value_cansleep(cs35l56->reset_gpio, 0); + if (cs35l56->base.reset_gpio) { + gpiod_set_value_cansleep(cs35l56->base.reset_gpio, 0); cs35l56_wait_min_reset_pulse(); } @@ -1274,7 +951,7 @@ int cs35l56_system_resume_early(struct device *dev) } /* Release shared RESET before drivers start resume(). */ - gpiod_set_value_cansleep(cs35l56->reset_gpio, 1); + gpiod_set_value_cansleep(cs35l56->base.reset_gpio, 1); return 0; } @@ -1287,10 +964,16 @@ int cs35l56_system_resume(struct device *dev) 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->irq) - enable_irq(cs35l56->irq); + if (cs35l56->base.irq) + enable_irq(cs35l56->base.irq); if (ret) return ret; @@ -1299,12 +982,13 @@ int cs35l56_system_resume(struct device *dev) if (!cs35l56->component) return 0; - ret = cs35l56_is_fw_reload_needed(cs35l56); - dev_dbg(cs35l56->dev, "fw_reload_needed: %d\n", ret); + 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->fw_patched = false; + cs35l56->base.fw_patched = false; + wm_adsp_power_down(&cs35l56->dsp); queue_work(cs35l56->dsp_wq, &cs35l56->dsp_work); /* @@ -1328,25 +1012,16 @@ static int cs35l56_dsp_init(struct cs35l56_private *cs35l56) INIT_WORK(&cs35l56->dsp_work, cs35l56_dsp_work); dsp = &cs35l56->dsp; + cs35l56_init_cs_dsp(&cs35l56->base, &dsp->cs_dsp); dsp->part = "cs35l56"; - dsp->cs_dsp.num = 1; - dsp->cs_dsp.type = WMFW_HALO; - dsp->cs_dsp.rev = 0; dsp->fw = 12; - dsp->cs_dsp.dev = cs35l56->dev; - dsp->cs_dsp.regmap = cs35l56->regmap; - dsp->cs_dsp.base = CS35L56_DSP1_CORE_BASE; - dsp->cs_dsp.base_sysinfo = CS35L56_DSP1_SYS_INFO_ID; - dsp->cs_dsp.mem = cs35l56_dsp1_regions; - dsp->cs_dsp.num_mems = ARRAY_SIZE(cs35l56_dsp1_regions); - dsp->cs_dsp.no_core_startstop = true; dsp->wmfw_optional = true; - dev_dbg(cs35l56->dev, "DSP system name: '%s'\n", dsp->system_name); + dev_dbg(cs35l56->base.dev, "DSP system name: '%s'\n", dsp->system_name); ret = wm_halo_init(dsp); if (ret != 0) { - dev_err(cs35l56->dev, "wm_halo_init failed\n"); + dev_err(cs35l56->base.dev, "wm_halo_init failed\n"); return ret; } @@ -1355,7 +1030,7 @@ static int cs35l56_dsp_init(struct cs35l56_private *cs35l56) static int cs35l56_get_firmware_uid(struct cs35l56_private *cs35l56) { - struct device *dev = cs35l56->dev; + struct device *dev = cs35l56->base.dev; const char *prop; int ret; @@ -1378,38 +1053,41 @@ int cs35l56_common_probe(struct cs35l56_private *cs35l56) int ret; init_completion(&cs35l56->init_completion); - mutex_init(&cs35l56->irq_lock); + mutex_init(&cs35l56->base.irq_lock); - dev_set_drvdata(cs35l56->dev, cs35l56); + dev_set_drvdata(cs35l56->base.dev, cs35l56); cs35l56_fill_supply_names(cs35l56->supplies); - ret = devm_regulator_bulk_get(cs35l56->dev, ARRAY_SIZE(cs35l56->supplies), + ret = devm_regulator_bulk_get(cs35l56->base.dev, ARRAY_SIZE(cs35l56->supplies), cs35l56->supplies); if (ret != 0) - return dev_err_probe(cs35l56->dev, ret, "Failed to request supplies\n"); + 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->reset_gpio = devm_gpiod_get_optional(cs35l56->dev, "reset", GPIOD_OUT_LOW); - if (IS_ERR(cs35l56->reset_gpio)) { - ret = PTR_ERR(cs35l56->reset_gpio); + 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->dev, ret, "Failed to get reset GPIO\n"); + return dev_err_probe(cs35l56->base.dev, ret, "Failed to get reset GPIO\n"); - dev_info(cs35l56->dev, "Reset GPIO busy, assume shared reset\n"); - cs35l56->reset_gpio = NULL; + 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->dev, ret, "Failed to enable supplies\n"); + return dev_err_probe(cs35l56->base.dev, ret, "Failed to enable supplies\n"); - if (cs35l56->reset_gpio) { + 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->reset_gpio, 1); + gpiod_set_value_cansleep(cs35l56->base.reset_gpio, 1); } ret = cs35l56_get_firmware_uid(cs35l56); @@ -1418,22 +1096,22 @@ int cs35l56_common_probe(struct cs35l56_private *cs35l56) ret = cs35l56_dsp_init(cs35l56); if (ret < 0) { - dev_err_probe(cs35l56->dev, ret, "DSP init failed\n"); + dev_err_probe(cs35l56->base.dev, ret, "DSP init failed\n"); goto err; } - ret = devm_snd_soc_register_component(cs35l56->dev, + 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->dev, ret, "Register codec failed\n"); + dev_err_probe(cs35l56->base.dev, ret, "Register codec failed\n"); goto err; } return 0; err: - gpiod_set_value_cansleep(cs35l56->reset_gpio, 0); + gpiod_set_value_cansleep(cs35l56->base.reset_gpio, 0); regulator_bulk_disable(ARRAY_SIZE(cs35l56->supplies), cs35l56->supplies); return ret; @@ -1443,7 +1121,6 @@ EXPORT_SYMBOL_NS_GPL(cs35l56_common_probe, SND_SOC_CS35L56_CORE); int cs35l56_init(struct cs35l56_private *cs35l56) { int ret; - unsigned int devid, revid, otpid, secured; /* * Check whether the actions associated with soft reset or one time @@ -1452,96 +1129,31 @@ int cs35l56_init(struct cs35l56_private *cs35l56) if (cs35l56->soft_resetting) goto post_soft_reset; - if (cs35l56->init_done) + if (cs35l56->base.init_done) return 0; - pm_runtime_set_autosuspend_delay(cs35l56->dev, 100); - pm_runtime_use_autosuspend(cs35l56->dev); - pm_runtime_set_active(cs35l56->dev); - pm_runtime_enable(cs35l56->dev); - - /* - * If the system is not using a reset_gpio then issue a - * dummy read to force a wakeup. - */ - if (!cs35l56->reset_gpio) - regmap_read(cs35l56->regmap, CS35L56_DSP_VIRTUAL1_MBOX_1, &devid); - - /* Wait for control port to be ready (datasheet tIRS). */ - usleep_range(CS35L56_CONTROL_PORT_READY_US, - CS35L56_CONTROL_PORT_READY_US + 400); - - /* - * The HALO_STATE register is in different locations on Ax and B0 - * devices so the REVID needs to be determined before waiting for the - * firmware to boot. - */ - ret = regmap_read(cs35l56->regmap, CS35L56_REVID, &revid); - if (ret < 0) { - dev_err(cs35l56->dev, "Get Revision ID failed\n"); - return ret; - } - cs35l56->rev = revid & (CS35L56_AREVID_MASK | CS35L56_MTLREVID_MASK); - - ret = cs35l56_wait_for_firmware_boot(cs35l56); - if (ret) - return ret; - - ret = regmap_read(cs35l56->regmap, CS35L56_DEVID, &devid); - if (ret < 0) { - dev_err(cs35l56->dev, "Get Device ID failed\n"); - return ret; - } - devid &= CS35L56_DEVID_MASK; - - switch (devid) { - case 0x35A56: - break; - default: - dev_err(cs35l56->dev, "Unknown device %x\n", devid); - return ret; - } - - ret = regmap_read(cs35l56->regmap, CS35L56_DSP_RESTRICT_STS1, &secured); - if (ret) { - dev_err(cs35l56->dev, "Get Secure status failed\n"); - return ret; - } - - /* When any bus is restricted treat the device as secured */ - if (secured & CS35L56_RESTRICTED_MASK) - cs35l56->secured = true; + 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 = regmap_read(cs35l56->regmap, CS35L56_OTPID, &otpid); - if (ret < 0) { - dev_err(cs35l56->dev, "Get OTP ID failed\n"); + ret = cs35l56_hw_init(&cs35l56->base); + if (ret < 0) return ret; - } - - dev_info(cs35l56->dev, "Cirrus Logic CS35L56%s Rev %02X OTP%d\n", - cs35l56->secured ? "s" : "", cs35l56->rev, otpid); /* Populate the DSP information with the revision and security state */ - cs35l56->dsp.part = devm_kasprintf(cs35l56->dev, GFP_KERNEL, "cs35l56%s-%02x", - cs35l56->secured ? "s" : "", cs35l56->rev); + cs35l56->dsp.part = devm_kasprintf(cs35l56->base.dev, GFP_KERNEL, "cs35l56%s-%02x", + cs35l56->base.secured ? "s" : "", cs35l56->base.rev); if (!cs35l56->dsp.part) return -ENOMEM; - /* Wake source and *_BLOCKED interrupts default to unmasked, so mask them */ - regmap_write(cs35l56->regmap, CS35L56_IRQ1_MASK_20, 0xffffffff); - regmap_update_bits(cs35l56->regmap, CS35L56_IRQ1_MASK_1, - CS35L56_AMP_SHORT_ERR_EINT1_MASK, - 0); - regmap_update_bits(cs35l56->regmap, CS35L56_IRQ1_MASK_8, - CS35L56_TEMP_ERR_EINT1_MASK, - 0); - - if (!cs35l56->reset_gpio) { - dev_dbg(cs35l56->dev, "No reset gpio: using soft reset\n"); - cs35l56_system_reset(cs35l56); + 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->dev); + pm_runtime_get_noresume(cs35l56->base.dev); return 0; } } @@ -1551,29 +1163,30 @@ post_soft_reset: cs35l56->soft_resetting = false; /* Done re-enumerating after one-time init so release the keep-alive */ - if (cs35l56->sdw_peripheral && !cs35l56->init_done) - pm_runtime_put_noidle(cs35l56->dev); + if (cs35l56->sdw_peripheral && !cs35l56->base.init_done) + pm_runtime_put_noidle(cs35l56->base.dev); - regcache_mark_dirty(cs35l56->regmap); - ret = cs35l56_wait_for_firmware_boot(cs35l56); + regcache_mark_dirty(cs35l56->base.regmap); + ret = cs35l56_wait_for_firmware_boot(&cs35l56->base); if (ret) return ret; - dev_dbg(cs35l56->dev, "Firmware rebooted after soft reset\n"); + dev_dbg(cs35l56->base.dev, "Firmware rebooted after soft reset\n"); } /* Disable auto-hibernate so that runtime_pm has control */ - ret = cs35l56_mbox_send(cs35l56, CS35L56_MBOX_CMD_PREVENT_AUTO_HIBERNATE); + ret = cs35l56_mbox_send(&cs35l56->base, CS35L56_MBOX_CMD_PREVENT_AUTO_HIBERNATE); if (ret) return ret; - /* Populate soft registers in the regmap cache */ - cs35l56_reread_firmware_registers(cs35l56->dev, cs35l56->regmap); + ret = cs35l56_set_patch(&cs35l56->base); + if (ret) + return ret; /* Registers could be dirty after soft reset or SoundWire enumeration */ - regcache_sync(cs35l56->regmap); + regcache_sync(cs35l56->base.regmap); - cs35l56->init_done = true; + cs35l56->base.init_done = true; complete(&cs35l56->init_completion); return 0; @@ -1582,30 +1195,30 @@ EXPORT_SYMBOL_NS_GPL(cs35l56_init, SND_SOC_CS35L56_CORE); void cs35l56_remove(struct cs35l56_private *cs35l56) { - cs35l56->init_done = false; + cs35l56->base.init_done = false; /* * WAKE IRQs unmask if CS35L56 hibernates so free the handler to * prevent it racing with remove(). */ - if (cs35l56->irq) - devm_free_irq(cs35l56->dev, cs35l56->irq, cs35l56); + 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_suspend(cs35l56->dev); - pm_runtime_disable(cs35l56->dev); + pm_runtime_suspend(cs35l56->base.dev); + pm_runtime_disable(cs35l56->base.dev); - regcache_cache_only(cs35l56->regmap, true); + regcache_cache_only(cs35l56->base.regmap, true); - gpiod_set_value_cansleep(cs35l56->reset_gpio, 0); + 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); const struct dev_pm_ops cs35l56_pm_ops_i2c_spi = { - SET_RUNTIME_PM_OPS(cs35l56_runtime_suspend, cs35l56_runtime_resume_i2c_spi, NULL) + 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) |