diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 92cfa623782c..030bb902fdef 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -2904,6 +2904,7 @@ config SND_SOC_LPASS_WSA_MACRO config SND_SOC_LPASS_VA_MACRO depends on COMMON_CLK + depends on PM_CLK select REGMAP_MMIO select SND_SOC_LPASS_MACRO_COMMON tristate "Qualcomm VA Macro in LPASS(Low Power Audio SubSystem)" diff --git a/sound/soc/codecs/lpass-va-macro.c b/sound/soc/codecs/lpass-va-macro.c index 528d5b167ecf..814a14f0d117 100644 --- a/sound/soc/codecs/lpass-va-macro.c +++ b/sound/soc/codecs/lpass-va-macro.c @@ -10,6 +10,7 @@ #include #include #include +#include #include #include #include @@ -1346,34 +1347,43 @@ static int fsgen_gate_enable(struct clk_hw *hw) { struct va_macro *va = to_va_macro(hw); struct regmap *regmap = va->regmap; - int ret; + int ret, rpm_ret; - if (va->has_swr_master) { - ret = clk_prepare_enable(va->mclk); - if (ret) - return ret; - } + ret = pm_runtime_resume_and_get(va->dev); + if (ret < 0) + return ret; ret = va_macro_mclk_enable(va, true); + if (ret) { + rpm_ret = pm_runtime_put_autosuspend(va->dev); + if (rpm_ret < 0) + dev_warn(va->dev, + "runtime PM put failed in fsgen enable unwind: %d\n", + rpm_ret); + return ret; + } if (va->has_swr_master) regmap_update_bits(regmap, CDC_VA_CLK_RST_CTRL_SWR_CONTROL, CDC_VA_SWR_CLK_EN_MASK, CDC_VA_SWR_CLK_ENABLE); - return ret; + return 0; } static void fsgen_gate_disable(struct clk_hw *hw) { struct va_macro *va = to_va_macro(hw); struct regmap *regmap = va->regmap; + int ret; if (va->has_swr_master) regmap_update_bits(regmap, CDC_VA_CLK_RST_CTRL_SWR_CONTROL, CDC_VA_SWR_CLK_EN_MASK, 0x0); va_macro_mclk_enable(va, false); - if (va->has_swr_master) - clk_disable_unprepare(va->mclk); + + ret = pm_runtime_put_autosuspend(va->dev); + if (ret < 0) + dev_warn(va->dev, "runtime PM put failed in fsgen disable: %d\n", ret); } static int fsgen_gate_is_enabled(struct clk_hw *hw) @@ -1534,6 +1544,7 @@ static int va_macro_probe(struct platform_device *pdev) void __iomem *base; u32 sample_rate = 0; int ret; + int rpm_ret; va = devm_kzalloc(dev, sizeof(*va), GFP_KERNEL); if (!va) @@ -1601,22 +1612,24 @@ static int va_macro_probe(struct platform_device *pdev) clk_set_rate(va->npl, 2 * VA_MACRO_MCLK_FREQ); } - ret = clk_prepare_enable(va->macro); + ret = devm_pm_clk_create(dev); if (ret) goto err; - ret = clk_prepare_enable(va->dcodec); - if (ret) - goto err_dcodec; + ret = of_pm_clk_add_clks(dev); + if (ret < 0) + goto err; - ret = clk_prepare_enable(va->mclk); + pm_runtime_set_autosuspend_delay(dev, 100); + pm_runtime_use_autosuspend(dev); + ret = devm_pm_runtime_enable(dev); if (ret) - goto err_mclk; + goto err; - if (va->has_npl_clk) { - ret = clk_prepare_enable(va->npl); - if (ret) - goto err_npl; + rpm_ret = pm_runtime_resume_and_get(dev); + if (rpm_ret < 0) { + ret = rpm_ret; + goto err; } /** @@ -1629,7 +1642,7 @@ static int va_macro_probe(struct platform_device *pdev) /* read version from register */ ret = va_macro_set_lpass_codec_version(va); if (ret) - goto err_clkout; + goto err_rpm_put; } if (va->has_swr_master) { @@ -1659,35 +1672,28 @@ static int va_macro_probe(struct platform_device *pdev) va_macro_dais, ARRAY_SIZE(va_macro_dais)); if (ret) - goto err_clkout; - - pm_runtime_set_autosuspend_delay(dev, 3000); - pm_runtime_use_autosuspend(dev); - pm_runtime_mark_last_busy(dev); - pm_runtime_set_active(dev); - pm_runtime_enable(dev); + goto err_rpm_put; ret = va_macro_register_fsgen_output(va); if (ret) - goto err_clkout; + goto err_rpm_put; va->fsgen = devm_clk_hw_get_clk(dev, &va->hw, "fsgen"); if (IS_ERR(va->fsgen)) { ret = PTR_ERR(va->fsgen); - goto err_clkout; + goto err_rpm_put; } + rpm_ret = pm_runtime_put_autosuspend(dev); + if (rpm_ret < 0) + dev_warn(dev, "runtime PM put failed after probe: %d\n", rpm_ret); + return 0; -err_clkout: - if (va->has_npl_clk) - clk_disable_unprepare(va->npl); -err_npl: - clk_disable_unprepare(va->mclk); -err_mclk: - clk_disable_unprepare(va->dcodec); -err_dcodec: - clk_disable_unprepare(va->macro); +err_rpm_put: + rpm_ret = pm_runtime_put_sync_suspend(dev); + if (rpm_ret < 0) + dev_warn(dev, "runtime PM sync suspend failed in probe unwind: %d\n", rpm_ret); err: lpass_macro_pds_exit(va->pds); @@ -1698,53 +1704,52 @@ static void va_macro_remove(struct platform_device *pdev) { struct va_macro *va = dev_get_drvdata(&pdev->dev); - if (va->has_npl_clk) - clk_disable_unprepare(va->npl); - - clk_disable_unprepare(va->mclk); - clk_disable_unprepare(va->dcodec); - clk_disable_unprepare(va->macro); - lpass_macro_pds_exit(va->pds); } static int va_macro_runtime_suspend(struct device *dev) { struct va_macro *va = dev_get_drvdata(dev); + int ret; regcache_cache_only(va->regmap, true); + + ret = pm_clk_suspend(dev); + if (ret) { + regcache_cache_only(va->regmap, false); + return ret; + } + regcache_mark_dirty(va->regmap); - if (va->has_npl_clk) - clk_disable_unprepare(va->npl); - - clk_disable_unprepare(va->mclk); - return 0; } static int va_macro_runtime_resume(struct device *dev) { struct va_macro *va = dev_get_drvdata(dev); - int ret; + int ret, sret; - ret = clk_prepare_enable(va->mclk); + ret = pm_clk_resume(dev); if (ret) { - dev_err(va->dev, "unable to prepare mclk\n"); + regcache_cache_only(va->regmap, true); + regcache_mark_dirty(va->regmap); return ret; } - if (va->has_npl_clk) { - ret = clk_prepare_enable(va->npl); - if (ret) { - clk_disable_unprepare(va->mclk); - dev_err(va->dev, "unable to prepare npl\n"); - return ret; - } - } - regcache_cache_only(va->regmap, false); - regcache_sync(va->regmap); + + ret = regcache_sync(va->regmap); + if (ret) { + regcache_cache_only(va->regmap, true); + regcache_mark_dirty(va->regmap); + sret = pm_clk_suspend(dev); + if (sret) + dev_err(va->dev, + "failed to suspend clocks after regcache sync failure: %d\n", + sret); + return ret; + } return 0; }