[alsa-devel] [PATCH] ASoC: rt5682: Enable PLL2 function
derek.fang at realtek.com
derek.fang at realtek.com
Thu Feb 13 08:05:10 CET 2020
From: "derek.fang" <derek.fang at realtek.com>
Enable RT5682 PLL2 function to implement the more complex
frequency conversion.
Signed-off-by: derek.fang <derek.fang at realtek.com>
---
sound/soc/codecs/rt5682.c | 211 ++++++++++++++++++++++++++++++++++++----------
sound/soc/codecs/rt5682.h | 39 ++++++++-
2 files changed, 203 insertions(+), 47 deletions(-)
diff --git a/sound/soc/codecs/rt5682.c b/sound/soc/codecs/rt5682.c
index 82a6366..9fbb386 100644
--- a/sound/soc/codecs/rt5682.c
+++ b/sound/soc/codecs/rt5682.c
@@ -64,9 +64,9 @@ struct rt5682_priv {
int bclk[RT5682_AIFS];
int master[RT5682_AIFS];
- int pll_src;
- int pll_in;
- int pll_out;
+ int pll_src[RT5682_PLLS];
+ int pll_in[RT5682_PLLS];
+ int pll_out[RT5682_PLLS];
int jack_type;
};
@@ -75,6 +75,7 @@ static const struct reg_sequence patch_list[] = {
{RT5682_HP_IMP_SENS_CTRL_19, 0x1000},
{RT5682_DAC_ADC_DIG_VOL1, 0xa020},
{RT5682_I2C_CTRL, 0x000f},
+ {RT5682_PLL2_INTERNAL, 0x8266},
};
static const struct reg_default rt5682_reg[] = {
@@ -222,7 +223,7 @@ static const struct reg_default rt5682_reg[] = {
{0x0148, 0x0000},
{0x0149, 0x0000},
{0x0150, 0x79a1},
- {0x0151, 0x0000},
+ {0x0156, 0xaaaa},
{0x0160, 0x4ec0},
{0x0161, 0x0080},
{0x0162, 0x0200},
@@ -928,10 +929,10 @@ static int rt5682_headset_detect(struct snd_soc_component *component,
RT5682_PWR_VREF2 | RT5682_PWR_MB,
RT5682_PWR_VREF2 | RT5682_PWR_MB);
snd_soc_component_update_bits(component,
- RT5682_PWR_ANLG_1, RT5682_PWR_FV2, 0);
+ RT5682_PWR_ANLG_1, RT5682_PWR_FV2, 0);
usleep_range(15000, 20000);
snd_soc_component_update_bits(component,
- RT5682_PWR_ANLG_1, RT5682_PWR_FV2, RT5682_PWR_FV2);
+ RT5682_PWR_ANLG_1, RT5682_PWR_FV2, RT5682_PWR_FV2);
snd_soc_component_update_bits(component, RT5682_PWR_ANLG_3,
RT5682_PWR_CBJ, RT5682_PWR_CBJ);
@@ -1298,6 +1299,21 @@ static int is_sys_clk_from_pll1(struct snd_soc_dapm_widget *w,
return 0;
}
+static int is_sys_clk_from_pll2(struct snd_soc_dapm_widget *w,
+ struct snd_soc_dapm_widget *sink)
+{
+ unsigned int val;
+ struct snd_soc_component *component =
+ snd_soc_dapm_to_component(w->dapm);
+
+ val = snd_soc_component_read32(component, RT5682_GLB_CLK);
+ val &= RT5682_SCLK_SRC_MASK;
+ if (val == RT5682_SCLK_SRC_PLL2)
+ return 1;
+ else
+ return 0;
+}
+
static int is_using_asrc(struct snd_soc_dapm_widget *w,
struct snd_soc_dapm_widget *sink)
{
@@ -1612,9 +1628,11 @@ static const struct snd_soc_dapm_widget rt5682_dapm_widgets[] = {
SND_SOC_DAPM_SUPPLY("PLL2B", RT5682_PWR_ANLG_3, RT5682_PWR_PLL2B_BIT,
0, NULL, 0),
SND_SOC_DAPM_SUPPLY("PLL2F", RT5682_PWR_ANLG_3, RT5682_PWR_PLL2F_BIT,
- 0, NULL, 0),
+ 0, set_filter_clk, SND_SOC_DAPM_PRE_PMU),
SND_SOC_DAPM_SUPPLY("Vref1", RT5682_PWR_ANLG_1, RT5682_PWR_VREF1_BIT, 0,
rt5655_set_verf, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU),
+ SND_SOC_DAPM_SUPPLY("Vref2", RT5682_PWR_ANLG_1, RT5682_PWR_VREF2_BIT, 0,
+ NULL, 0),
/* ASRC */
SND_SOC_DAPM_SUPPLY_S("DAC STO1 ASRC", 1, RT5682_PLL_TRACK_1,
@@ -1796,7 +1814,11 @@ static const struct snd_soc_dapm_widget rt5682_dapm_widgets[] = {
static const struct snd_soc_dapm_route rt5682_dapm_routes[] = {
/*PLL*/
{"ADC Stereo1 Filter", NULL, "PLL1", is_sys_clk_from_pll1},
+ {"ADC Stereo1 Filter", NULL, "PLL2B", is_sys_clk_from_pll2},
+ {"ADC Stereo1 Filter", NULL, "PLL2F", is_sys_clk_from_pll2},
{"DAC Stereo1 Filter", NULL, "PLL1", is_sys_clk_from_pll1},
+ {"DAC Stereo1 Filter", NULL, "PLL2B", is_sys_clk_from_pll2},
+ {"DAC Stereo1 Filter", NULL, "PLL2F", is_sys_clk_from_pll2},
/*ASRC*/
{"ADC Stereo1 Filter", NULL, "ADC STO1 ASRC", is_using_asrc},
@@ -2053,8 +2075,10 @@ static int rt5682_hw_params(struct snd_pcm_substream *substream,
RT5682_I2S1_DL_MASK, len_1);
if (rt5682->master[RT5682_AIF1]) {
snd_soc_component_update_bits(component,
- RT5682_ADDA_CLK_1, RT5682_I2S_M_DIV_MASK,
- pre_div << RT5682_I2S_M_DIV_SFT);
+ RT5682_ADDA_CLK_1, RT5682_I2S_M_DIV_MASK |
+ RT5682_I2S_CLK_SRC_MASK,
+ pre_div << RT5682_I2S_M_DIV_SFT |
+ (rt5682->sysclk_src) << RT5682_I2S_CLK_SRC_SFT);
}
if (params_channels(params) == 1) /* mono mode */
snd_soc_component_update_bits(component,
@@ -2227,61 +2251,157 @@ static int rt5682_set_component_pll(struct snd_soc_component *component,
unsigned int freq_out)
{
struct rt5682_priv *rt5682 = snd_soc_component_get_drvdata(component);
- struct rl6231_pll_code pll_code;
+ struct rl6231_pll_code pll_code, pll2f_code, pll2b_code;
+ unsigned int pll2_fout1;
int ret;
- if (source == rt5682->pll_src && freq_in == rt5682->pll_in &&
- freq_out == rt5682->pll_out)
+ if (source == rt5682->pll_src[pll_id] &&
+ freq_in == rt5682->pll_in[pll_id] &&
+ freq_out == rt5682->pll_out[pll_id])
return 0;
if (!freq_in || !freq_out) {
dev_dbg(component->dev, "PLL disabled\n");
- rt5682->pll_in = 0;
- rt5682->pll_out = 0;
+ rt5682->pll_in[pll_id] = 0;
+ rt5682->pll_out[pll_id] = 0;
snd_soc_component_update_bits(component, RT5682_GLB_CLK,
RT5682_SCLK_SRC_MASK, RT5682_SCLK_SRC_MCLK);
return 0;
}
- switch (source) {
- case RT5682_PLL1_S_MCLK:
- snd_soc_component_update_bits(component, RT5682_GLB_CLK,
- RT5682_PLL1_SRC_MASK, RT5682_PLL1_SRC_MCLK);
- break;
- case RT5682_PLL1_S_BCLK1:
- snd_soc_component_update_bits(component, RT5682_GLB_CLK,
- RT5682_PLL1_SRC_MASK, RT5682_PLL1_SRC_BCLK1);
- break;
- default:
- dev_err(component->dev, "Unknown PLL Source %d\n", source);
- return -EINVAL;
- }
+ if (pll_id == RT5682_PLL2) {
+ switch (source) {
+ case RT5682_PLL2_S_MCLK:
+ snd_soc_component_update_bits(component,
+ RT5682_GLB_CLK, RT5682_PLL2_SRC_MASK,
+ RT5682_PLL2_SRC_MCLK);
+ break;
+ default:
+ dev_err(component->dev, "Unknown PLL2 Source %d\n",
+ source);
+ return -EINVAL;
+ }
- ret = rl6231_pll_calc(freq_in, freq_out, &pll_code);
- if (ret < 0) {
- dev_err(component->dev, "Unsupport input clock %d\n", freq_in);
- return ret;
+ /**
+ * PLL2 concatenates 2 PLL units.
+ * We suggest the Fout of the front PLL is 3.84MHz.
+ */
+ pll2_fout1 = 3840000;
+ ret = rl6231_pll_calc(freq_in, pll2_fout1, &pll2f_code);
+ if (ret < 0) {
+ dev_err(component->dev, "Unsupport input clock %d\n",
+ freq_in);
+ return ret;
+ }
+ dev_dbg(component->dev, "PLL2F: fin=%d fout=%d bypass=%d m=%d n=%d k=%d\n",
+ freq_in, pll2_fout1,
+ pll2f_code.m_bp,
+ (pll2f_code.m_bp ? 0 : pll2f_code.m_code),
+ pll2f_code.n_code, pll2f_code.k_code);
+
+ ret = rl6231_pll_calc(pll2_fout1, freq_out, &pll2b_code);
+ if (ret < 0) {
+ dev_err(component->dev, "Unsupport input clock %d\n",
+ pll2_fout1);
+ return ret;
+ }
+ dev_dbg(component->dev, "PLL2B: fin=%d fout=%d bypass=%d m=%d n=%d k=%d\n",
+ pll2_fout1, freq_out,
+ pll2b_code.m_bp,
+ (pll2b_code.m_bp ? 0 : pll2b_code.m_code),
+ pll2b_code.n_code, pll2b_code.k_code);
+
+ snd_soc_component_write(component, RT5682_PLL2_CTRL_1,
+ pll2f_code.k_code << RT5682_PLL2F_K_SFT |
+ pll2b_code.k_code << RT5682_PLL2B_K_SFT |
+ pll2b_code.m_code);
+ snd_soc_component_write(component, RT5682_PLL2_CTRL_2,
+ pll2f_code.m_code << RT5682_PLL2F_M_SFT |
+ pll2b_code.n_code);
+ snd_soc_component_write(component, RT5682_PLL2_CTRL_3,
+ pll2f_code.n_code << RT5682_PLL2F_N_SFT);
+ snd_soc_component_update_bits(component, RT5682_PLL2_CTRL_4,
+ RT5682_PLL2B_M_BP_MASK | RT5682_PLL2F_M_BP_MASK | 0xf,
+ (pll2b_code.m_bp ? 1 : 0) << RT5682_PLL2B_M_BP_SFT |
+ (pll2f_code.m_bp ? 1 : 0) << RT5682_PLL2F_M_BP_SFT |
+ 0xf);
+ } else {
+ switch (source) {
+ case RT5682_PLL1_S_MCLK:
+ snd_soc_component_update_bits(component,
+ RT5682_GLB_CLK, RT5682_PLL1_SRC_MASK,
+ RT5682_PLL1_SRC_MCLK);
+ break;
+ case RT5682_PLL1_S_BCLK1:
+ snd_soc_component_update_bits(component,
+ RT5682_GLB_CLK, RT5682_PLL1_SRC_MASK,
+ RT5682_PLL1_SRC_BCLK1);
+ break;
+ default:
+ dev_err(component->dev, "Unknown PLL1 Source %d\n",
+ source);
+ return -EINVAL;
+ }
+
+ ret = rl6231_pll_calc(freq_in, freq_out, &pll_code);
+ if (ret < 0) {
+ dev_err(component->dev, "Unsupport input clock %d\n",
+ freq_in);
+ return ret;
+ }
+
+ dev_dbg(component->dev, "bypass=%d m=%d n=%d k=%d\n",
+ pll_code.m_bp, (pll_code.m_bp ? 0 : pll_code.m_code),
+ pll_code.n_code, pll_code.k_code);
+
+ snd_soc_component_write(component, RT5682_PLL_CTRL_1,
+ pll_code.n_code << RT5682_PLL_N_SFT | pll_code.k_code);
+ snd_soc_component_write(component, RT5682_PLL_CTRL_2,
+ (pll_code.m_bp ? 0 : pll_code.m_code) << RT5682_PLL_M_SFT |
+ pll_code.m_bp << RT5682_PLL_M_BP_SFT | RT5682_PLL_RST);
}
- dev_dbg(component->dev, "bypass=%d m=%d n=%d k=%d\n",
- pll_code.m_bp, (pll_code.m_bp ? 0 : pll_code.m_code),
- pll_code.n_code, pll_code.k_code);
+ rt5682->pll_in[pll_id] = freq_in;
+ rt5682->pll_out[pll_id] = freq_out;
+ rt5682->pll_src[pll_id] = source;
+
+ return 0;
+}
+
+static int rt5682_set_bclk1_ratio(struct snd_soc_dai *dai, unsigned int ratio)
+{
+ struct snd_soc_component *component = dai->component;
+ struct rt5682_priv *rt5682 = snd_soc_component_get_drvdata(component);
- snd_soc_component_write(component, RT5682_PLL_CTRL_1,
- pll_code.n_code << RT5682_PLL_N_SFT | pll_code.k_code);
- snd_soc_component_write(component, RT5682_PLL_CTRL_2,
- (pll_code.m_bp ? 0 : pll_code.m_code) << RT5682_PLL_M_SFT |
- pll_code.m_bp << RT5682_PLL_M_BP_SFT | RT5682_PLL_RST);
+ rt5682->bclk[dai->id] = ratio;
- rt5682->pll_in = freq_in;
- rt5682->pll_out = freq_out;
- rt5682->pll_src = source;
+ switch (ratio) {
+ case 256:
+ snd_soc_component_update_bits(component, RT5682_TDM_TCON_CTRL,
+ RT5682_TDM_BCLK_MS1_MASK, RT5682_TDM_BCLK_MS1_256);
+ break;
+ case 128:
+ snd_soc_component_update_bits(component, RT5682_TDM_TCON_CTRL,
+ RT5682_TDM_BCLK_MS1_MASK, RT5682_TDM_BCLK_MS1_128);
+ break;
+ case 64:
+ snd_soc_component_update_bits(component, RT5682_TDM_TCON_CTRL,
+ RT5682_TDM_BCLK_MS1_MASK, RT5682_TDM_BCLK_MS1_64);
+ break;
+ case 32:
+ snd_soc_component_update_bits(component, RT5682_TDM_TCON_CTRL,
+ RT5682_TDM_BCLK_MS1_MASK, RT5682_TDM_BCLK_MS1_32);
+ break;
+ default:
+ dev_err(dai->dev, "Invalid bclk1 ratio %d\n", ratio);
+ return -EINVAL;
+ }
return 0;
}
-static int rt5682_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
+static int rt5682_set_bclk2_ratio(struct snd_soc_dai *dai, unsigned int ratio)
{
struct snd_soc_component *component = dai->component;
struct rt5682_priv *rt5682 = snd_soc_component_get_drvdata(component);
@@ -2300,7 +2420,7 @@ static int rt5682_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
RT5682_I2S2_BCLK_MS2_32);
break;
default:
- dev_err(dai->dev, "Invalid bclk ratio %d\n", ratio);
+ dev_err(dai->dev, "Invalid bclk2 ratio %d\n", ratio);
return -EINVAL;
}
@@ -2389,12 +2509,13 @@ static const struct snd_soc_dai_ops rt5682_aif1_dai_ops = {
.hw_params = rt5682_hw_params,
.set_fmt = rt5682_set_dai_fmt,
.set_tdm_slot = rt5682_set_tdm_slot,
+ .set_bclk_ratio = rt5682_set_bclk1_ratio,
};
static const struct snd_soc_dai_ops rt5682_aif2_dai_ops = {
.hw_params = rt5682_hw_params,
.set_fmt = rt5682_set_dai_fmt,
- .set_bclk_ratio = rt5682_set_bclk_ratio,
+ .set_bclk_ratio = rt5682_set_bclk2_ratio,
};
static struct snd_soc_dai_driver rt5682_dai[] = {
diff --git a/sound/soc/codecs/rt5682.h b/sound/soc/codecs/rt5682.h
index 4d3a8c4..465c99b 100644
--- a/sound/soc/codecs/rt5682.h
+++ b/sound/soc/codecs/rt5682.h
@@ -177,7 +177,7 @@
#define RT5682_TEST_MODE_CTRL_4 0x0148
#define RT5682_TEST_MODE_CTRL_5 0x0149
#define RT5682_PLL1_INTERNAL 0x0150
-#define RT5682_PLL2_INTERNAL 0x0151
+#define RT5682_PLL2_INTERNAL 0x0156
#define RT5682_STO_NG2_CTRL_1 0x0160
#define RT5682_STO_NG2_CTRL_2 0x0161
#define RT5682_STO_NG2_CTRL_3 0x0162
@@ -738,7 +738,7 @@
#define RT5682_ADC_OSR_D_24 (0x7 << 12)
#define RT5682_ADC_OSR_D_32 (0x8 << 12)
#define RT5682_ADC_OSR_D_48 (0x9 << 12)
-#define RT5682_I2S_M_DIV_MASK (0xf << 12)
+#define RT5682_I2S_M_DIV_MASK (0xf << 8)
#define RT5682_I2S_M_DIV_SFT 8
#define RT5682_I2S_M_D_1 (0x0 << 8)
#define RT5682_I2S_M_D_2 (0x1 << 8)
@@ -820,6 +820,12 @@
#define RT5682_TDM_DF_PCM_B (0x3 << 11)
#define RT5682_TDM_DF_PCM_A_N (0x6 << 11)
#define RT5682_TDM_DF_PCM_B_N (0x7 << 11)
+#define RT5682_TDM_BCLK_MS1_MASK (0x3 << 9)
+#define RT5682_TDM_BCLK_MS1_SFT 9
+#define RT5682_TDM_BCLK_MS1_32 (0x0 << 9)
+#define RT5682_TDM_BCLK_MS1_64 (0x1 << 9)
+#define RT5682_TDM_BCLK_MS1_128 (0x2 << 9)
+#define RT5682_TDM_BCLK_MS1_256 (0x3 << 9)
#define RT5682_TDM_CL_MASK (0x3 << 4)
#define RT5682_TDM_CL_16 (0x0 << 4)
#define RT5682_TDM_CL_20 (0x1 << 4)
@@ -1049,6 +1055,28 @@
#define RT5682_PWR_CLK1M_PD (0x0 << 8)
#define RT5682_PWR_CLK1M_PU (0x1 << 8)
+/* PLL2 M/N/K Code Control 1 (0x009b) */
+#define RT5682_PLL2F_K_MASK (0x1f << 8)
+#define RT5682_PLL2F_K_SFT 8
+#define RT5682_PLL2B_K_MASK (0xf << 4)
+#define RT5682_PLL2B_K_SFT 4
+#define RT5682_PLL2B_M_MASK (0xf << 0)
+
+/* PLL2 M/N/K Code Control 2 (0x009c) */
+#define RT5682_PLL2F_M_MASK (0x3f << 8)
+#define RT5682_PLL2F_M_SFT 8
+#define RT5682_PLL2B_N_MASK (0x3f << 0)
+
+/* PLL2 M/N/K Code Control 2 (0x009d) */
+#define RT5682_PLL2F_N_MASK (0x7f << 8)
+#define RT5682_PLL2F_N_SFT 8
+
+/* PLL2 M/N/K Code Control 2 (0x009e) */
+#define RT5682_PLL2B_M_BP_MASK (0x1 << 11)
+#define RT5682_PLL2B_M_BP_SFT 11
+#define RT5682_PLL2F_M_BP_MASK (0x1 << 7)
+#define RT5682_PLL2F_M_BP_SFT 7
+
/* RC Clock Control (0x009f) */
#define RT5682_POW_IRQ (0x1 << 15)
#define RT5682_POW_JDH (0x1 << 14)
@@ -1315,6 +1343,13 @@ enum {
RT5682_PLL1_S_MCLK,
RT5682_PLL1_S_BCLK1,
RT5682_PLL1_S_RCCLK,
+ RT5682_PLL2_S_MCLK,
+};
+
+enum {
+ RT5682_PLL1,
+ RT5682_PLL2,
+ RT5682_PLLS,
};
enum {
--
2.7.4
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