diff options
Diffstat (limited to 'sound/soc/codecs/cs35l56.c')
-rw-r--r-- | sound/soc/codecs/cs35l56.c | 65 |
1 files changed, 46 insertions, 19 deletions
diff --git a/sound/soc/codecs/cs35l56.c b/sound/soc/codecs/cs35l56.c index e0d2b9bb2326..c03f9d3c9a13 100644 --- a/sound/soc/codecs/cs35l56.c +++ b/sound/soc/codecs/cs35l56.c @@ -822,25 +822,23 @@ static void cs35l56_system_reset(struct cs35l56_private *cs35l56) regcache_cache_only(cs35l56->regmap, false); } -static void cs35l56_dsp_work(struct work_struct *work) +static void cs35l56_secure_patch(struct cs35l56_private *cs35l56) { - struct cs35l56_private *cs35l56 = container_of(work, - struct cs35l56_private, - dsp_work); - unsigned int reg; - unsigned int val; - int ret = 0; - - if (!cs35l56->init_done) - return; - - cs35l56->dsp.part = devm_kasprintf(cs35l56->dev, GFP_KERNEL, "cs35l56%s-%02x", - cs35l56->secured ? "s" : "", cs35l56->rev); + int ret; - if (!cs35l56->dsp.part) - return; + /* Use wm_adsp to load and apply the firmware patch and coefficient files */ + ret = wm_adsp_power_up(&cs35l56->dsp); + if (ret) + dev_dbg(cs35l56->dev, "%s: wm_adsp_power_up ret %d\n", __func__, ret); + else + cs35l56_mbox_send(cs35l56, CS35L56_MBOX_CMD_AUDIO_REINIT); +} - pm_runtime_get_sync(cs35l56->dev); +static void cs35l56_patch(struct cs35l56_private *cs35l56) +{ + unsigned int reg; + unsigned int val; + int ret; /* * Disable SoundWire interrupts to prevent race with IRQ work. @@ -907,9 +905,6 @@ static void cs35l56_dsp_work(struct work_struct *work) err_unlock: mutex_unlock(&cs35l56->irq_lock); err: - pm_runtime_mark_last_busy(cs35l56->dev); - pm_runtime_put_autosuspend(cs35l56->dev); - /* Re-enable SoundWire interrupts */ if (cs35l56->sdw_peripheral) { cs35l56->sdw_irq_no_unmask = false; @@ -918,6 +913,32 @@ err: } } +static void cs35l56_dsp_work(struct work_struct *work) +{ + struct cs35l56_private *cs35l56 = container_of(work, + struct cs35l56_private, + dsp_work); + + if (!cs35l56->init_done) + return; + + pm_runtime_get_sync(cs35l56->dev); + + /* + * When the device is running in secure mode the firmware files can + * only contain insecure tunings and therefore we do not need to + * shutdown the firmware to apply them and can use the lower cost + * reinit sequence instead. + */ + if (cs35l56->secured) + cs35l56_secure_patch(cs35l56); + else + cs35l56_patch(cs35l56); + + pm_runtime_mark_last_busy(cs35l56->dev); + pm_runtime_put_autosuspend(cs35l56->dev); +} + static int cs35l56_component_probe(struct snd_soc_component *component) { struct cs35l56_private *cs35l56 = snd_soc_component_get_drvdata(component); @@ -1505,6 +1526,12 @@ int cs35l56_init(struct cs35l56_private *cs35l56) 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); + 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, |