#include <sound/soc-dapm.h>
#include <sound/tlv.h>
#include <sound/tas2552-plat.h>
+#include <dt-bindings/sound/tas2552.h>
#include "tas2552.h"
struct regulator_bulk_data supplies[TAS2552_NUM_SUPPLIES];
struct gpio_desc *enable_gpio;
unsigned char regs[TAS2552_VBAT_DATA];
- unsigned int mclk;
+ unsigned int pll_clkin;
+ unsigned int pdm_clk;
+
+ unsigned int dai_fmt;
+ unsigned int tdm_delay;
};
/* Input mux controls */
#ifdef CONFIG_PM
static void tas2552_sw_shutdown(struct tas2552_data *tas_data, int sw_shutdown)
{
- u8 cfg1_reg;
+ u8 cfg1_reg = 0;
+
+ if (!tas_data->codec)
+ return;
if (sw_shutdown)
- cfg1_reg = 0;
- else
- cfg1_reg = TAS2552_SWS_MASK;
+ cfg1_reg = TAS2552_SWS;
- snd_soc_update_bits(tas_data->codec, TAS2552_CFG_1,
- TAS2552_SWS_MASK, cfg1_reg);
+ snd_soc_update_bits(tas_data->codec, TAS2552_CFG_1, TAS2552_SWS,
+ cfg1_reg);
}
#endif
int d;
u8 p, j;
- if (!tas2552->mclk)
+ if (!tas2552->pll_clkin)
return -EINVAL;
snd_soc_update_bits(codec, TAS2552_CFG_2, TAS2552_PLL_ENABLE, 0);
- if (tas2552->mclk == TAS2552_245MHZ_CLK ||
- tas2552->mclk == TAS2552_225MHZ_CLK) {
+ if (tas2552->pll_clkin == TAS2552_245MHZ_CLK ||
+ tas2552->pll_clkin == TAS2552_225MHZ_CLK) {
/* By pass the PLL configuration */
snd_soc_update_bits(codec, TAS2552_PLL_CTRL_2,
TAS2552_PLL_BYPASS_MASK,
return -EINVAL;
}
- j = (pll_clk * 2 * (1 << p)) / tas2552->mclk;
- d = (pll_clk * 2 * (1 << p)) % tas2552->mclk;
+ j = (pll_clk * 2 * (1 << p)) / tas2552->pll_clkin;
+ d = (pll_clk * 2 * (1 << p)) % tas2552->pll_clkin;
snd_soc_update_bits(codec, TAS2552_PLL_CTRL_1,
TAS2552_PLL_J_MASK, j);
return 0;
}
+#define TAS2552_DAI_FMT_MASK (TAS2552_BCLKDIR | \
+ TAS2552_WCLKDIR | \
+ TAS2552_DATAFORMAT_MASK)
+static int tas2552_prepare(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ struct tas2552_data *tas2552 = snd_soc_codec_get_drvdata(codec);
+ int delay = 0;
+
+ /* TDM slot selection only valid in DSP_A/_B mode */
+ if (tas2552->dai_fmt == SND_SOC_DAIFMT_DSP_A)
+ delay += (tas2552->tdm_delay + 1);
+ else if (tas2552->dai_fmt == SND_SOC_DAIFMT_DSP_B)
+ delay += tas2552->tdm_delay;
+
+ /* Configure data delay */
+ snd_soc_write(codec, TAS2552_SER_CTRL_2, delay);
+
+ return 0;
+}
+
static int tas2552_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
{
struct snd_soc_codec *codec = dai->codec;
+ struct tas2552_data *tas2552 = dev_get_drvdata(codec->dev);
u8 serial_format;
- u8 serial_control_mask;
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBS_CFS:
serial_format = 0x00;
break;
case SND_SOC_DAIFMT_CBS_CFM:
- serial_format = TAS2552_WORD_CLK_MASK;
+ serial_format = TAS2552_WCLKDIR;
break;
case SND_SOC_DAIFMT_CBM_CFS:
- serial_format = TAS2552_BIT_CLK_MASK;
+ serial_format = TAS2552_BCLKDIR;
break;
case SND_SOC_DAIFMT_CBM_CFM:
- serial_format = (TAS2552_BIT_CLK_MASK | TAS2552_WORD_CLK_MASK);
+ serial_format = (TAS2552_BCLKDIR | TAS2552_WCLKDIR);
break;
default:
dev_vdbg(codec->dev, "DAI Format master is not found\n");
return -EINVAL;
}
- serial_control_mask = TAS2552_BIT_CLK_MASK | TAS2552_WORD_CLK_MASK;
-
- switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
- case SND_SOC_DAIFMT_I2S:
- serial_format &= TAS2552_DAIFMT_I2S_MASK;
+ switch (fmt & (SND_SOC_DAIFMT_FORMAT_MASK |
+ SND_SOC_DAIFMT_INV_MASK)) {
+ case (SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF):
break;
- case SND_SOC_DAIFMT_DSP_A:
- serial_format |= TAS2552_DAIFMT_DSP;
+ case (SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF):
+ case (SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_IB_NF):
+ serial_format |= TAS2552_DATAFORMAT_DSP;
break;
- case SND_SOC_DAIFMT_RIGHT_J:
- serial_format |= TAS2552_DAIFMT_RIGHT_J;
+ case (SND_SOC_DAIFMT_RIGHT_J | SND_SOC_DAIFMT_NB_NF):
+ serial_format |= TAS2552_DATAFORMAT_RIGHT_J;
break;
- case SND_SOC_DAIFMT_LEFT_J:
- serial_format |= TAS2552_DAIFMT_LEFT_J;
+ case (SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF):
+ serial_format |= TAS2552_DATAFORMAT_LEFT_J;
break;
default:
dev_vdbg(codec->dev, "DAI Format is not found\n");
return -EINVAL;
}
+ tas2552->dai_fmt = fmt & SND_SOC_DAIFMT_FORMAT_MASK;
- if (fmt & SND_SOC_DAIFMT_FORMAT_MASK)
- serial_control_mask |= TAS2552_DATA_FORMAT_MASK;
-
- snd_soc_update_bits(codec, TAS2552_SER_CTRL_1, serial_control_mask,
- serial_format);
-
+ snd_soc_update_bits(codec, TAS2552_SER_CTRL_1, TAS2552_DAI_FMT_MASK,
+ serial_format);
return 0;
}
{
struct snd_soc_codec *codec = dai->codec;
struct tas2552_data *tas2552 = dev_get_drvdata(codec->dev);
+ u8 reg, mask, val;
+
+ switch (clk_id) {
+ case TAS2552_PLL_CLKIN_MCLK:
+ case TAS2552_PLL_CLKIN_BCLK:
+ case TAS2552_PLL_CLKIN_IVCLKIN:
+ case TAS2552_PLL_CLKIN_1_8_FIXED:
+ mask = TAS2552_PLL_SRC_MASK;
+ val = (clk_id << 3) & mask; /* bit 4:5 in the register */
+ reg = TAS2552_CFG_1;
+ tas2552->pll_clkin = freq;
+ break;
+ case TAS2552_PDM_CLK_PLL:
+ case TAS2552_PDM_CLK_IVCLKIN:
+ case TAS2552_PDM_CLK_BCLK:
+ case TAS2552_PDM_CLK_MCLK:
+ mask = TAS2552_PDM_CLK_SEL_MASK;
+ val = (clk_id >> 1) & mask; /* bit 0:1 in the register */
+ reg = TAS2552_PDM_CFG;
+ tas2552->pdm_clk = freq;
+ break;
+ default:
+ dev_err(codec->dev, "Invalid clk id: %d\n", clk_id);
+ return -EINVAL;
+ }
- tas2552->mclk = freq;
+ snd_soc_update_bits(codec, reg, mask, val);
+
+ return 0;
+}
+
+static int tas2552_set_dai_tdm_slot(struct snd_soc_dai *dai,
+ unsigned int tx_mask, unsigned int rx_mask,
+ int slots, int slot_width)
+{
+ struct snd_soc_codec *codec = dai->codec;
+ struct tas2552_data *tas2552 = snd_soc_codec_get_drvdata(codec);
+ unsigned int lsb;
+
+ if (unlikely(!tx_mask)) {
+ dev_err(codec->dev, "tx masks need to be non 0\n");
+ return -EINVAL;
+ }
+
+ /* TDM based on DSP mode requires slots to be adjacent */
+ lsb = __ffs(tx_mask);
+ if ((lsb + 1) != __fls(tx_mask)) {
+ dev_err(codec->dev, "Invalid mask, slots must be adjacent\n");
+ return -EINVAL;
+ }
+
+ tas2552->tdm_delay = lsb * slot_width;
+
+ /* DOUT in high-impedance on inactive bit clocks */
+ snd_soc_update_bits(codec, TAS2552_DOUT,
+ TAS2552_SDOUT_TRISTATE, TAS2552_SDOUT_TRISTATE);
return 0;
}
static int tas2552_mute(struct snd_soc_dai *dai, int mute)
{
- u8 cfg1_reg;
+ u8 cfg1_reg = 0;
struct snd_soc_codec *codec = dai->codec;
if (mute)
- cfg1_reg = TAS2552_MUTE_MASK;
- else
- cfg1_reg = ~TAS2552_MUTE_MASK;
+ cfg1_reg |= TAS2552_MUTE;
- snd_soc_update_bits(codec, TAS2552_CFG_1, TAS2552_MUTE_MASK, cfg1_reg);
+ snd_soc_update_bits(codec, TAS2552_CFG_1, TAS2552_MUTE, cfg1_reg);
return 0;
}
{
struct tas2552_data *tas2552 = dev_get_drvdata(dev);
- tas2552_sw_shutdown(tas2552, 0);
+ tas2552_sw_shutdown(tas2552, 1);
regcache_cache_only(tas2552->regmap, true);
regcache_mark_dirty(tas2552->regmap);
if (tas2552->enable_gpio)
gpiod_set_value(tas2552->enable_gpio, 1);
- tas2552_sw_shutdown(tas2552, 1);
+ tas2552_sw_shutdown(tas2552, 0);
regcache_cache_only(tas2552->regmap, false);
regcache_sync(tas2552->regmap);
static struct snd_soc_dai_ops tas2552_speaker_dai_ops = {
.hw_params = tas2552_hw_params,
+ .prepare = tas2552_prepare,
.set_sysclk = tas2552_set_dai_sysclk,
.set_fmt = tas2552_set_dai_fmt,
+ .set_tdm_slot = tas2552_set_dai_tdm_slot,
.digital_mute = tas2552_mute,
};
static const struct snd_kcontrol_new tas2552_snd_controls[] = {
SOC_SINGLE_TLV("Speaker Driver Playback Volume",
TAS2552_PGA_GAIN, 0, 0x1f, 1, dac_tlv),
- SOC_DAPM_SINGLE("Playback AMP", SND_SOC_NOPM, 0, 1, 0),
};
static const struct reg_default tas2552_init_regs[] = {
goto probe_fail;
}
- snd_soc_write(codec, TAS2552_CFG_1, TAS2552_MUTE_MASK |
- TAS2552_PLL_SRC_BCLK);
+ snd_soc_write(codec, TAS2552_CFG_1, TAS2552_MUTE);
snd_soc_write(codec, TAS2552_CFG_3, TAS2552_I2S_OUT_SEL |
TAS2552_DIN_SRC_SEL_AVG_L_R | TAS2552_88_96KHZ);
snd_soc_write(codec, TAS2552_DOUT, TAS2552_PDM_DATA_I);
snd_soc_write(codec, TAS2552_OUTPUT_DATA, TAS2552_PDM_DATA_V_I | 0x8);
- snd_soc_write(codec, TAS2552_PDM_CFG, TAS2552_PDM_BCLK_SEL);
snd_soc_write(codec, TAS2552_BOOST_PT_CTRL, TAS2552_APT_DELAY_200 |
TAS2552_APT_THRESH_2_1_7);
return -ENOMEM;
data->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW);
- if (IS_ERR(data->enable_gpio))
- return PTR_ERR(data->enable_gpio);
+ if (IS_ERR(data->enable_gpio)) {
+ if (PTR_ERR(data->enable_gpio) == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
+
+ data->enable_gpio = NULL;;
+ }
data->tas2552_client = client;
data->regmap = devm_regmap_init_i2c(client, &tas2552_regmap_config);
projects / karo-tx-linux.git / blobdiff