This patch adds iir widgets and mixers on this codec
Signed-off-by: Srinivas Kandagatla srinivas.kandagatla@linaro.org --- sound/soc/codecs/lpass-rx-macro.c | 264 ++++++++++++++++++++++++++++++ 1 file changed, 264 insertions(+)
diff --git a/sound/soc/codecs/lpass-rx-macro.c b/sound/soc/codecs/lpass-rx-macro.c index 84ddfede59ef..daa62d00acda 100644 --- a/sound/soc/codecs/lpass-rx-macro.c +++ b/sound/soc/codecs/lpass-rx-macro.c @@ -532,6 +532,38 @@ enum { INTERP_MIX_PATH, };
+/* Codec supports 2 IIR filters */ +enum { + IIR0 = 0, + IIR1, + IIR_MAX, +}; + +/* Each IIR has 5 Filter Stages */ +enum { + BAND1 = 0, + BAND2, + BAND3, + BAND4, + BAND5, + BAND_MAX, +}; + +#define RX_MACRO_IIR_FILTER_SIZE (sizeof(u32) * BAND_MAX) + +#define RX_MACRO_IIR_FILTER_CTL(xname, iidx, bidx) \ +{ \ + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .info = rx_macro_iir_filter_info, \ + .get = rx_macro_get_iir_band_audio_mixer, \ + .put = rx_macro_put_iir_band_audio_mixer, \ + .private_value = (unsigned long)&(struct wcd_iir_filter_ctl) { \ + .iir_idx = iidx, \ + .band_idx = bidx, \ + .bytes_ext = {.max = RX_MACRO_IIR_FILTER_SIZE, }, \ + } \ +} + struct interp_sample_rate { int sample_rate; int rate_val; @@ -588,6 +620,12 @@ struct rx_macro { }; #define to_rx_macro(_hw) container_of(_hw, struct rx_macro, hw)
+struct wcd_iir_filter_ctl { + unsigned int iir_idx; + unsigned int band_idx; + struct soc_bytes_ext bytes_ext; +}; + static const DECLARE_TLV_DB_SCALE(digital_gain, -8400, 100, -8400);
static const char * const rx_int_mix_mux_text[] = { @@ -2601,6 +2639,166 @@ static int rx_macro_enable_rx_path_clk(struct snd_soc_dapm_widget *w, return 0; }
+static int rx_macro_set_iir_gain(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); + + switch (event) { + case SND_SOC_DAPM_POST_PMU: /* fall through */ + case SND_SOC_DAPM_PRE_PMD: + if (strnstr(w->name, "IIR0", sizeof("IIR0"))) { + snd_soc_component_write(component, + CDC_RX_SIDETONE_IIR0_IIR_GAIN_B1_CTL, + snd_soc_component_read(component, + CDC_RX_SIDETONE_IIR0_IIR_GAIN_B1_CTL)); + snd_soc_component_write(component, + CDC_RX_SIDETONE_IIR0_IIR_GAIN_B2_CTL, + snd_soc_component_read(component, + CDC_RX_SIDETONE_IIR0_IIR_GAIN_B2_CTL)); + snd_soc_component_write(component, + CDC_RX_SIDETONE_IIR0_IIR_GAIN_B3_CTL, + snd_soc_component_read(component, + CDC_RX_SIDETONE_IIR0_IIR_GAIN_B3_CTL)); + snd_soc_component_write(component, + CDC_RX_SIDETONE_IIR0_IIR_GAIN_B4_CTL, + snd_soc_component_read(component, + CDC_RX_SIDETONE_IIR0_IIR_GAIN_B4_CTL)); + } else { + snd_soc_component_write(component, + CDC_RX_SIDETONE_IIR1_IIR_GAIN_B1_CTL, + snd_soc_component_read(component, + CDC_RX_SIDETONE_IIR1_IIR_GAIN_B1_CTL)); + snd_soc_component_write(component, + CDC_RX_SIDETONE_IIR1_IIR_GAIN_B2_CTL, + snd_soc_component_read(component, + CDC_RX_SIDETONE_IIR1_IIR_GAIN_B2_CTL)); + snd_soc_component_write(component, + CDC_RX_SIDETONE_IIR1_IIR_GAIN_B3_CTL, + snd_soc_component_read(component, + CDC_RX_SIDETONE_IIR1_IIR_GAIN_B3_CTL)); + snd_soc_component_write(component, + CDC_RX_SIDETONE_IIR1_IIR_GAIN_B4_CTL, + snd_soc_component_read(component, + CDC_RX_SIDETONE_IIR1_IIR_GAIN_B4_CTL)); + } + break; + } + return 0; +} + +static uint32_t get_iir_band_coeff(struct snd_soc_component *component, + int iir_idx, int band_idx, int coeff_idx) +{ + u32 value; + int reg, b2_reg; + + /* Address does not automatically update if reading */ + reg = CDC_RX_SIDETONE_IIR0_IIR_COEF_B1_CTL + 16 * iir_idx; + b2_reg = CDC_RX_SIDETONE_IIR0_IIR_COEF_B2_CTL + 16 * iir_idx; + + snd_soc_component_write(component, reg, + ((band_idx * BAND_MAX + coeff_idx) * + sizeof(uint32_t)) & 0x7F); + + value = snd_soc_component_read(component, b2_reg); + snd_soc_component_write(component, reg, + ((band_idx * BAND_MAX + coeff_idx) + * sizeof(uint32_t) + 1) & 0x7F); + + value |= (snd_soc_component_read(component, b2_reg) << 8); + snd_soc_component_write(component, reg, + ((band_idx * BAND_MAX + coeff_idx) + * sizeof(uint32_t) + 2) & 0x7F); + + value |= (snd_soc_component_read(component, b2_reg) << 16); + snd_soc_component_write(component, reg, + ((band_idx * BAND_MAX + coeff_idx) + * sizeof(uint32_t) + 3) & 0x7F); + + /* Mask bits top 2 bits since they are reserved */ + value |= (snd_soc_component_read(component, b2_reg) << 24); + return value; +} + +static void set_iir_band_coeff(struct snd_soc_component *component, + int iir_idx, int band_idx, uint32_t value) +{ + int reg = CDC_RX_SIDETONE_IIR0_IIR_COEF_B2_CTL + 16 * iir_idx; + + snd_soc_component_write(component, reg, (value & 0xFF)); + snd_soc_component_write(component, reg, (value >> 8) & 0xFF); + snd_soc_component_write(component, reg, (value >> 16) & 0xFF); + /* Mask top 2 bits, 7-8 are reserved */ + snd_soc_component_write(component, reg, (value >> 24) & 0x3F); +} + +static int rx_macro_put_iir_band_audio_mixer( + struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = + snd_soc_kcontrol_component(kcontrol); + struct wcd_iir_filter_ctl *ctl = + (struct wcd_iir_filter_ctl *)kcontrol->private_value; + struct soc_bytes_ext *params = &ctl->bytes_ext; + int iir_idx = ctl->iir_idx; + int band_idx = ctl->band_idx; + u32 coeff[BAND_MAX]; + int reg = CDC_RX_SIDETONE_IIR0_IIR_COEF_B1_CTL + 16 * iir_idx; + + memcpy(&coeff[0], ucontrol->value.bytes.data, params->max); + + /* Mask top bit it is reserved */ + /* Updates addr automatically for each B2 write */ + snd_soc_component_write(component, reg, (band_idx * BAND_MAX * + sizeof(uint32_t)) & 0x7F); + + set_iir_band_coeff(component, iir_idx, band_idx, coeff[0]); + set_iir_band_coeff(component, iir_idx, band_idx, coeff[1]); + set_iir_band_coeff(component, iir_idx, band_idx, coeff[2]); + set_iir_band_coeff(component, iir_idx, band_idx, coeff[3]); + set_iir_band_coeff(component, iir_idx, band_idx, coeff[4]); + + return 0; +} + +static int rx_macro_get_iir_band_audio_mixer(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *component = + snd_soc_kcontrol_component(kcontrol); + struct wcd_iir_filter_ctl *ctl = + (struct wcd_iir_filter_ctl *)kcontrol->private_value; + struct soc_bytes_ext *params = &ctl->bytes_ext; + int iir_idx = ctl->iir_idx; + int band_idx = ctl->band_idx; + u32 coeff[BAND_MAX]; + + coeff[0] = get_iir_band_coeff(component, iir_idx, band_idx, 0); + coeff[1] = get_iir_band_coeff(component, iir_idx, band_idx, 1); + coeff[2] = get_iir_band_coeff(component, iir_idx, band_idx, 2); + coeff[3] = get_iir_band_coeff(component, iir_idx, band_idx, 3); + coeff[4] = get_iir_band_coeff(component, iir_idx, band_idx, 4); + + memcpy(ucontrol->value.bytes.data, &coeff[0], params->max); + + return 0; +} + +static int rx_macro_iir_filter_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *ucontrol) +{ + struct wcd_iir_filter_ctl *ctl = + (struct wcd_iir_filter_ctl *)kcontrol->private_value; + struct soc_bytes_ext *params = &ctl->bytes_ext; + + ucontrol->type = SNDRV_CTL_ELEM_TYPE_BYTES; + ucontrol->count = params->max; + + return 0; +} + static const struct snd_kcontrol_new rx_macro_snd_controls[] = { SOC_SINGLE_S8_TLV("RX_RX0 Digital Volume", CDC_RX_RX0_RX_VOL_CTL, -84, 40, digital_gain), @@ -2635,6 +2833,65 @@ static const struct snd_kcontrol_new rx_macro_snd_controls[] = { SOC_SINGLE_EXT("AUX_HPF Switch", SND_SOC_NOPM, 0, 1, 0, rx_macro_aux_hpf_mode_get, rx_macro_aux_hpf_mode_put), + + SOC_SINGLE_S8_TLV("IIR0 INP0 Volume", + CDC_RX_SIDETONE_IIR0_IIR_GAIN_B1_CTL, -84, 40, + digital_gain), + SOC_SINGLE_S8_TLV("IIR0 INP1 Volume", + CDC_RX_SIDETONE_IIR0_IIR_GAIN_B2_CTL, -84, 40, + digital_gain), + SOC_SINGLE_S8_TLV("IIR0 INP2 Volume", + CDC_RX_SIDETONE_IIR0_IIR_GAIN_B3_CTL, -84, 40, + digital_gain), + SOC_SINGLE_S8_TLV("IIR0 INP3 Volume", + CDC_RX_SIDETONE_IIR0_IIR_GAIN_B4_CTL, -84, 40, + digital_gain), + SOC_SINGLE_S8_TLV("IIR1 INP0 Volume", + CDC_RX_SIDETONE_IIR1_IIR_GAIN_B1_CTL, -84, 40, + digital_gain), + SOC_SINGLE_S8_TLV("IIR1 INP1 Volume", + CDC_RX_SIDETONE_IIR1_IIR_GAIN_B2_CTL, -84, 40, + digital_gain), + SOC_SINGLE_S8_TLV("IIR1 INP2 Volume", + CDC_RX_SIDETONE_IIR1_IIR_GAIN_B3_CTL, -84, 40, + digital_gain), + SOC_SINGLE_S8_TLV("IIR1 INP3 Volume", + CDC_RX_SIDETONE_IIR1_IIR_GAIN_B4_CTL, -84, 40, + digital_gain), + + SOC_SINGLE("IIR1 Band1 Switch", CDC_RX_SIDETONE_IIR0_IIR_CTL, + 0, 1, 0), + SOC_SINGLE("IIR1 Band2 Switch", CDC_RX_SIDETONE_IIR0_IIR_CTL, + 1, 1, 0), + SOC_SINGLE("IIR1 Band3 Switch", CDC_RX_SIDETONE_IIR0_IIR_CTL, + 2, 1, 0), + SOC_SINGLE("IIR1 Band4 Switch", CDC_RX_SIDETONE_IIR0_IIR_CTL, + 3, 1, 0), + SOC_SINGLE("IIR1 Band5 Switch", CDC_RX_SIDETONE_IIR0_IIR_CTL, + 4, 1, 0), + SOC_SINGLE("IIR2 Band1 Switch", CDC_RX_SIDETONE_IIR1_IIR_CTL, + 0, 1, 0), + SOC_SINGLE("IIR2 Band2 Switch", CDC_RX_SIDETONE_IIR1_IIR_CTL, + 1, 1, 0), + SOC_SINGLE("IIR2 Band3 Switch", CDC_RX_SIDETONE_IIR1_IIR_CTL, + 2, 1, 0), + SOC_SINGLE("IIR2 Band4 Switch", CDC_RX_SIDETONE_IIR1_IIR_CTL, + 3, 1, 0), + SOC_SINGLE("IIR2 Band5 Switch", CDC_RX_SIDETONE_IIR1_IIR_CTL, + 4, 1, 0), + + RX_MACRO_IIR_FILTER_CTL("IIR0 Band1", IIR0, BAND1), + RX_MACRO_IIR_FILTER_CTL("IIR0 Band2", IIR0, BAND2), + RX_MACRO_IIR_FILTER_CTL("IIR0 Band3", IIR0, BAND3), + RX_MACRO_IIR_FILTER_CTL("IIR0 Band4", IIR0, BAND4), + RX_MACRO_IIR_FILTER_CTL("IIR0 Band5", IIR0, BAND5), + + RX_MACRO_IIR_FILTER_CTL("IIR1 Band1", IIR1, BAND1), + RX_MACRO_IIR_FILTER_CTL("IIR1 Band2", IIR1, BAND2), + RX_MACRO_IIR_FILTER_CTL("IIR1 Band3", IIR1, BAND3), + RX_MACRO_IIR_FILTER_CTL("IIR1 Band4", IIR1, BAND4), + RX_MACRO_IIR_FILTER_CTL("IIR1 Band5", IIR1, BAND5), + };
static int rx_macro_enable_echo(struct snd_soc_dapm_widget *w, @@ -2730,6 +2987,13 @@ static const struct snd_soc_dapm_widget rx_macro_dapm_widgets[] = { RX_MACRO_EC2_MUX, 0, &rx_mix_tx2_mux, rx_macro_enable_echo, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), + + SND_SOC_DAPM_MIXER_E("IIR0", CDC_RX_SIDETONE_IIR0_IIR_PATH_CTL, + 4, 0, NULL, 0, rx_macro_set_iir_gain, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), + SND_SOC_DAPM_MIXER_E("IIR1", CDC_RX_SIDETONE_IIR1_IIR_PATH_CTL, + 4, 0, NULL, 0, rx_macro_set_iir_gain, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), SND_SOC_DAPM_MIXER("SRC0", CDC_RX_SIDETONE_SRC0_ST_SRC_PATH_CTL, 4, 0, NULL, 0), SND_SOC_DAPM_MIXER("SRC1", CDC_RX_SIDETONE_SRC1_ST_SRC_PATH_CTL,