diff options
Diffstat (limited to 'sound/soc/codecs/arizona.c')
-rw-r--r-- | sound/soc/codecs/arizona.c | 127 |
1 files changed, 97 insertions, 30 deletions
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c index 802e05eae3e9..2b55115e94b2 100644 --- a/sound/soc/codecs/arizona.c +++ b/sound/soc/codecs/arizona.c @@ -1504,7 +1504,7 @@ static int arizona_hw_params(struct snd_pcm_substream *substream, else rates = &arizona_48k_bclk_rates[0]; - wl = snd_pcm_format_width(params_format(params)); + wl = params_width(params); if (tdm_slots) { arizona_aif_dbg(dai, "Configuring for %d %d bit TDM slots\n", @@ -1756,17 +1756,6 @@ int arizona_init_dai(struct arizona_priv *priv, int id) } EXPORT_SYMBOL_GPL(arizona_init_dai); -static irqreturn_t arizona_fll_clock_ok(int irq, void *data) -{ - struct arizona_fll *fll = data; - - arizona_fll_dbg(fll, "clock OK\n"); - - complete(&fll->ok); - - return IRQ_HANDLED; -} - static struct { unsigned int min; unsigned int max; @@ -2048,17 +2037,18 @@ static int arizona_is_enabled_fll(struct arizona_fll *fll) static int arizona_enable_fll(struct arizona_fll *fll) { struct arizona *arizona = fll->arizona; - unsigned long time_left; bool use_sync = false; int already_enabled = arizona_is_enabled_fll(fll); struct arizona_fll_cfg cfg; + int i; + unsigned int val; if (already_enabled < 0) return already_enabled; if (already_enabled) { /* Facilitate smooth refclk across the transition */ - regmap_update_bits_async(fll->arizona->regmap, fll->base + 0x7, + regmap_update_bits_async(fll->arizona->regmap, fll->base + 0x9, ARIZONA_FLL1_GAIN_MASK, 0); regmap_update_bits_async(fll->arizona->regmap, fll->base + 1, ARIZONA_FLL1_FREERUN, @@ -2110,9 +2100,6 @@ static int arizona_enable_fll(struct arizona_fll *fll) if (!already_enabled) pm_runtime_get(arizona->dev); - /* Clear any pending completions */ - try_wait_for_completion(&fll->ok); - regmap_update_bits_async(arizona->regmap, fll->base + 1, ARIZONA_FLL1_ENA, ARIZONA_FLL1_ENA); if (use_sync) @@ -2124,10 +2111,24 @@ static int arizona_enable_fll(struct arizona_fll *fll) regmap_update_bits_async(arizona->regmap, fll->base + 1, ARIZONA_FLL1_FREERUN, 0); - time_left = wait_for_completion_timeout(&fll->ok, - msecs_to_jiffies(250)); - if (time_left == 0) + arizona_fll_dbg(fll, "Waiting for FLL lock...\n"); + val = 0; + for (i = 0; i < 15; i++) { + if (i < 5) + usleep_range(200, 400); + else + msleep(20); + + regmap_read(arizona->regmap, + ARIZONA_INTERRUPT_RAW_STATUS_5, + &val); + if (val & (ARIZONA_FLL1_CLOCK_OK_STS << (fll->id - 1))) + break; + } + if (i == 15) arizona_fll_warn(fll, "Timed out waiting for lock\n"); + else + arizona_fll_dbg(fll, "FLL locked (%d polls)\n", i); return 0; } @@ -2212,11 +2213,8 @@ EXPORT_SYMBOL_GPL(arizona_set_fll); int arizona_init_fll(struct arizona *arizona, int id, int base, int lock_irq, int ok_irq, struct arizona_fll *fll) { - int ret; unsigned int val; - init_completion(&fll->ok); - fll->id = id; fll->base = base; fll->arizona = arizona; @@ -2238,13 +2236,6 @@ int arizona_init_fll(struct arizona *arizona, int id, int base, int lock_irq, snprintf(fll->clock_ok_name, sizeof(fll->clock_ok_name), "FLL%d clock OK", id); - ret = arizona_request_irq(arizona, ok_irq, fll->clock_ok_name, - arizona_fll_clock_ok, fll); - if (ret != 0) { - dev_err(arizona->dev, "Failed to get FLL%d clock OK IRQ: %d\n", - id, ret); - } - regmap_update_bits(arizona->regmap, fll->base + 1, ARIZONA_FLL1_FREERUN, 0); @@ -2313,6 +2304,82 @@ const struct snd_kcontrol_new arizona_adsp2_rate_controls[] = { }; EXPORT_SYMBOL_GPL(arizona_adsp2_rate_controls); +static bool arizona_eq_filter_unstable(bool mode, __be16 _a, __be16 _b) +{ + s16 a = be16_to_cpu(_a); + s16 b = be16_to_cpu(_b); + + if (!mode) { + return abs(a) >= 4096; + } else { + if (abs(b) >= 4096) + return true; + + return (abs((a << 16) / (4096 - b)) >= 4096 << 4); + } +} + +int arizona_eq_coeff_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); + struct arizona *arizona = dev_get_drvdata(codec->dev->parent); + struct soc_bytes *params = (void *)kcontrol->private_value; + unsigned int val; + __be16 *data; + int len; + int ret; + + len = params->num_regs * regmap_get_val_bytes(arizona->regmap); + + data = kmemdup(ucontrol->value.bytes.data, len, GFP_KERNEL | GFP_DMA); + if (!data) + return -ENOMEM; + + data[0] &= cpu_to_be16(ARIZONA_EQ1_B1_MODE); + + if (arizona_eq_filter_unstable(!!data[0], data[1], data[2]) || + arizona_eq_filter_unstable(true, data[4], data[5]) || + arizona_eq_filter_unstable(true, data[8], data[9]) || + arizona_eq_filter_unstable(true, data[12], data[13]) || + arizona_eq_filter_unstable(false, data[16], data[17])) { + dev_err(arizona->dev, "Rejecting unstable EQ coefficients\n"); + ret = -EINVAL; + goto out; + } + + ret = regmap_read(arizona->regmap, params->base, &val); + if (ret != 0) + goto out; + + val &= ~ARIZONA_EQ1_B1_MODE; + data[0] |= cpu_to_be16(val); + + ret = regmap_raw_write(arizona->regmap, params->base, data, len); + +out: + kfree(data); + return ret; +} +EXPORT_SYMBOL_GPL(arizona_eq_coeff_put); + +int arizona_lhpf_coeff_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); + struct arizona *arizona = dev_get_drvdata(codec->dev->parent); + __be16 *data = (__be16 *)ucontrol->value.bytes.data; + s16 val = be16_to_cpu(*data); + + if (abs(val) >= 4096) { + dev_err(arizona->dev, "Rejecting unstable LHPF coefficients\n"); + return -EINVAL; + } + + return snd_soc_bytes_put(kcontrol, ucontrol); +} +EXPORT_SYMBOL_GPL(arizona_lhpf_coeff_put); + MODULE_DESCRIPTION("ASoC Wolfson Arizona class device support"); MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); MODULE_LICENSE("GPL"); |