diff options
Diffstat (limited to 'sound/soc/codecs/madera.c')
| -rw-r--r-- | sound/soc/codecs/madera.c | 178 |
1 files changed, 163 insertions, 15 deletions
diff --git a/sound/soc/codecs/madera.c b/sound/soc/codecs/madera.c index 52639811cc52..40de9d7811d1 100644 --- a/sound/soc/codecs/madera.c +++ b/sound/soc/codecs/madera.c @@ -163,6 +163,48 @@ static const int madera_dsp_bus_error_irqs[MADERA_MAX_ADSP] = { MADERA_IRQ_DSP7_BUS_ERR, }; +int madera_clk_ev(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 madera_priv *priv = snd_soc_component_get_drvdata(component); + struct madera *madera = priv->madera; + unsigned int val; + int clk_idx; + int ret; + + ret = regmap_read(madera->regmap, w->reg, &val); + if (ret) { + dev_err(madera->dev, "Failed to check clock source: %d\n", ret); + return ret; + } + + switch ((val & MADERA_SYSCLK_SRC_MASK) >> MADERA_SYSCLK_SRC_SHIFT) { + case MADERA_CLK_SRC_MCLK1: + clk_idx = MADERA_MCLK1; + break; + case MADERA_CLK_SRC_MCLK2: + clk_idx = MADERA_MCLK2; + break; + case MADERA_CLK_SRC_MCLK3: + clk_idx = MADERA_MCLK3; + break; + default: + return 0; + } + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + return clk_prepare_enable(madera->mclk[clk_idx].clk); + case SND_SOC_DAPM_POST_PMD: + clk_disable_unprepare(madera->mclk[clk_idx].clk); + return 0; + default: + return 0; + } +} +EXPORT_SYMBOL_GPL(madera_clk_ev); + static void madera_spin_sysclk(struct madera_priv *priv) { struct madera *madera = priv->madera; @@ -193,9 +235,16 @@ int madera_sysclk_ev(struct snd_soc_dapm_widget *w, struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); struct madera_priv *priv = snd_soc_component_get_drvdata(component); - madera_spin_sysclk(priv); + switch (event) { + case SND_SOC_DAPM_POST_PMU: + case SND_SOC_DAPM_PRE_PMD: + madera_spin_sysclk(priv); + break; + default: + break; + } - return 0; + return madera_clk_ev(w, kcontrol, event); } EXPORT_SYMBOL_GPL(madera_sysclk_ev); @@ -526,6 +575,7 @@ int madera_out1_demux_put(struct snd_kcontrol *kcontrol, usleep_range(2000, 3000); /* wait for wseq to complete */ /* change demux setting */ + ret = 0; if (madera->out_clamp[0]) ret = regmap_update_bits(madera->regmap, MADERA_OUTPUT_ENABLES_1, @@ -1162,7 +1212,9 @@ static const struct snd_soc_dapm_route madera_mono_routes[] = { { "OUT6R", NULL, "OUT6L" }, }; -int madera_init_outputs(struct snd_soc_component *component, int n_mono_routes) +int madera_init_outputs(struct snd_soc_component *component, + const struct snd_soc_dapm_route *routes, + int n_mono_routes, int n_real) { struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); @@ -1179,16 +1231,21 @@ int madera_init_outputs(struct snd_soc_component *component, int n_mono_routes) n_mono_routes = MADERA_MAX_OUTPUT; } + if (!routes) + routes = madera_mono_routes; + for (i = 0; i < n_mono_routes; i++) { /* Default is 0 so noop with defaults */ if (pdata->out_mono[i]) { val = MADERA_OUT1_MONO; - snd_soc_dapm_add_routes(dapm, - &madera_mono_routes[i], 1); + snd_soc_dapm_add_routes(dapm, &routes[i], 1); } else { val = 0; } + if (i >= n_real) + continue; + regmap_update_bits(madera->regmap, MADERA_OUTPUT_PATH_CONFIG_1L + (i * 8), MADERA_OUT1_MONO, val); @@ -3809,11 +3866,75 @@ static bool madera_set_fll_phase_integrator(struct madera_fll *fll, return reg_change; } +static int madera_set_fll_clks_reg(struct madera_fll *fll, bool ena, + unsigned int reg, unsigned int mask, + unsigned int shift) +{ + struct madera *madera = fll->madera; + unsigned int src; + struct clk *clk; + int ret; + + ret = regmap_read(madera->regmap, reg, &src); + if (ret != 0) { + madera_fll_err(fll, "Failed to read current source: %d\n", + ret); + return ret; + } + + src = (src & mask) >> shift; + + switch (src) { + case MADERA_FLL_SRC_MCLK1: + clk = madera->mclk[MADERA_MCLK1].clk; + break; + case MADERA_FLL_SRC_MCLK2: + clk = madera->mclk[MADERA_MCLK2].clk; + break; + case MADERA_FLL_SRC_MCLK3: + clk = madera->mclk[MADERA_MCLK3].clk; + break; + default: + return 0; + } + + if (ena) { + return clk_prepare_enable(clk); + } else { + clk_disable_unprepare(clk); + return 0; + } +} + +static inline int madera_set_fll_clks(struct madera_fll *fll, int base, bool ena) +{ + return madera_set_fll_clks_reg(fll, ena, + base + MADERA_FLL_CONTROL_6_OFFS, + MADERA_FLL1_REFCLK_SRC_MASK, + MADERA_FLL1_REFCLK_DIV_SHIFT); +} + +static inline int madera_set_fllao_clks(struct madera_fll *fll, int base, bool ena) +{ + return madera_set_fll_clks_reg(fll, ena, + base + MADERA_FLLAO_CONTROL_6_OFFS, + MADERA_FLL_AO_REFCLK_SRC_MASK, + MADERA_FLL_AO_REFCLK_SRC_SHIFT); +} + +static inline int madera_set_fllhj_clks(struct madera_fll *fll, int base, bool ena) +{ + return madera_set_fll_clks_reg(fll, ena, + base + MADERA_FLL_CONTROL_1_OFFS, + CS47L92_FLL1_REFCLK_SRC_MASK, + CS47L92_FLL1_REFCLK_SRC_SHIFT); +} + static void madera_disable_fll(struct madera_fll *fll) { struct madera *madera = fll->madera; unsigned int sync_base; - bool change; + bool ref_change, sync_change; switch (madera->type) { case CS47L35: @@ -3831,18 +3952,23 @@ static void madera_disable_fll(struct madera_fll *fll) MADERA_FLL1_FREERUN, MADERA_FLL1_FREERUN); regmap_update_bits_check(madera->regmap, fll->base + MADERA_FLL_CONTROL_1_OFFS, - MADERA_FLL1_ENA, 0, &change); - regmap_update_bits(madera->regmap, - sync_base + MADERA_FLL_SYNCHRONISER_1_OFFS, - MADERA_FLL1_SYNC_ENA, 0); + MADERA_FLL1_ENA, 0, &ref_change); + regmap_update_bits_check(madera->regmap, + sync_base + MADERA_FLL_SYNCHRONISER_1_OFFS, + MADERA_FLL1_SYNC_ENA, 0, &sync_change); regmap_update_bits(madera->regmap, fll->base + MADERA_FLL_CONTROL_1_OFFS, MADERA_FLL1_FREERUN, 0); madera_wait_for_fll(fll, false); - if (change) + if (sync_change) + madera_set_fll_clks(fll, sync_base, false); + + if (ref_change) { + madera_set_fll_clks(fll, fll->base, false); pm_runtime_put_autosuspend(madera->dev); + } } static int madera_enable_fll(struct madera_fll *fll) @@ -3898,6 +4024,10 @@ static int madera_enable_fll(struct madera_fll *fll) regmap_update_bits(fll->madera->regmap, fll->base + MADERA_FLL_CONTROL_7_OFFS, MADERA_FLL1_GAIN_MASK, 0); + + if (sync_enabled > 0) + madera_set_fll_clks(fll, sync_base, false); + madera_set_fll_clks(fll, fll->base, false); } /* Apply SYNCCLK setting */ @@ -3976,11 +4106,15 @@ static int madera_enable_fll(struct madera_fll *fll) if (!already_enabled) pm_runtime_get_sync(madera->dev); - if (have_sync) + if (have_sync) { + madera_set_fll_clks(fll, sync_base, true); regmap_update_bits(madera->regmap, sync_base + MADERA_FLL_SYNCHRONISER_1_OFFS, MADERA_FLL1_SYNC_ENA, MADERA_FLL1_SYNC_ENA); + } + + madera_set_fll_clks(fll, fll->base, true); regmap_update_bits(madera->regmap, fll->base + MADERA_FLL_CONTROL_1_OFFS, MADERA_FLL1_ENA, MADERA_FLL1_ENA); @@ -4152,6 +4286,9 @@ static int madera_enable_fll_ao(struct madera_fll *fll, fll->base + MADERA_FLLAO_CONTROL_1_OFFS, MADERA_FLL_AO_HOLD, MADERA_FLL_AO_HOLD); + if (already_enabled) + madera_set_fllao_clks(fll, fll->base, false); + for (i = 0; i < patch_size; i++) { val = patch[i].def; @@ -4165,6 +4302,8 @@ static int madera_enable_fll_ao(struct madera_fll *fll, regmap_write(madera->regmap, patch[i].reg, val); } + madera_set_fllao_clks(fll, fll->base, true); + regmap_update_bits(madera->regmap, fll->base + MADERA_FLLAO_CONTROL_1_OFFS, MADERA_FLL_AO_ENA, MADERA_FLL_AO_ENA); @@ -4208,8 +4347,10 @@ static int madera_disable_fll_ao(struct madera_fll *fll) fll->base + MADERA_FLLAO_CONTROL_2_OFFS, MADERA_FLL_AO_CTRL_UPD_MASK, 0); - if (change) + if (change) { + madera_set_fllao_clks(fll, fll->base, false); pm_runtime_put_autosuspend(madera->dev); + } return 0; } @@ -4295,8 +4436,10 @@ static int madera_fllhj_disable(struct madera_fll *fll) fll->base + MADERA_FLL_CONTROL_2_OFFS, MADERA_FLL1_CTRL_UPD_MASK, 0); - if (change) + if (change) { + madera_set_fllhj_clks(fll, fll->base, false); pm_runtime_put_autosuspend(madera->dev); + } return 0; } @@ -4468,6 +4611,9 @@ static int madera_fllhj_enable(struct madera_fll *fll) MADERA_FLL1_HOLD_MASK, MADERA_FLL1_HOLD_MASK); + if (already_enabled) + madera_set_fllhj_clks(fll, fll->base, false); + /* Apply refclk */ ret = madera_fllhj_apply(fll, fll->ref_freq); if (ret) { @@ -4479,6 +4625,8 @@ static int madera_fllhj_enable(struct madera_fll *fll) CS47L92_FLL1_REFCLK_SRC_MASK, fll->ref_src << CS47L92_FLL1_REFCLK_SRC_SHIFT); + madera_set_fllhj_clks(fll, fll->base, true); + regmap_update_bits(madera->regmap, fll->base + MADERA_FLL_CONTROL_1_OFFS, MADERA_FLL1_ENA_MASK, @@ -4566,7 +4714,7 @@ EXPORT_SYMBOL_GPL(madera_fllhj_set_refclk); * * @component: Device to configure * @output: Output number - * @diff: True to set the output to differential mode + * @differential: True to set the output to differential mode * * Some systems use external analogue switches to connect more * analogue devices to the CODEC than are supported by the device. 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