]> git.kernelconcepts.de Git - karo-tx-linux.git/blobdiff - sound/soc/codecs/rt5645.c
ASoC: rt5645: add API to select ASRC clock source
[karo-tx-linux.git] / sound / soc / codecs / rt5645.c
index 27141e2df878a65204fc31cc9486fb099319bd26..debf16c5b549c7374252f4226486d6636f3b8cc0 100644 (file)
@@ -31,6 +31,7 @@
 #include "rt5645.h"
 
 #define RT5645_DEVICE_ID 0x6308
+#define RT5650_DEVICE_ID 0x6419
 
 #define RT5645_PR_RANGE_BASE (0xff + 1)
 #define RT5645_PR_SPACING 0x100
@@ -59,6 +60,10 @@ static const struct reg_default init_list[] = {
 };
 #define RT5645_INIT_REG_LEN ARRAY_SIZE(init_list)
 
+static const struct reg_default rt5650_init_list[] = {
+       {0xf6,  0x0100},
+};
+
 static const struct reg_default rt5645_reg[] = {
        { 0x00, 0x0000 },
        { 0x01, 0xc8c8 },
@@ -86,6 +91,7 @@ static const struct reg_default rt5645_reg[] = {
        { 0x2a, 0x5656 },
        { 0x2b, 0x5454 },
        { 0x2c, 0xaaa0 },
+       { 0x2d, 0x0000 },
        { 0x2f, 0x1002 },
        { 0x31, 0x5000 },
        { 0x32, 0x0000 },
@@ -193,6 +199,8 @@ static const struct reg_default rt5645_reg[] = {
        { 0xdb, 0x0003 },
        { 0xdc, 0x0049 },
        { 0xdd, 0x001b },
+       { 0xdf, 0x0008 },
+       { 0xe0, 0x4000 },
        { 0xe6, 0x8000 },
        { 0xe7, 0x0200 },
        { 0xec, 0xb300 },
@@ -242,6 +250,7 @@ static bool rt5645_volatile_register(struct device *dev, unsigned int reg)
        case RT5645_IRQ_CTRL3:
        case RT5645_INT_IRQ_ST:
        case RT5645_IL_CMD:
+       case RT5650_4BTN_IL_CMD1:
        case RT5645_VENDOR_ID:
        case RT5645_VENDOR_ID1:
        case RT5645_VENDOR_ID2:
@@ -287,6 +296,7 @@ static bool rt5645_readable_register(struct device *dev, unsigned int reg)
        case RT5645_STO_DAC_MIXER:
        case RT5645_MONO_DAC_MIXER:
        case RT5645_DIG_MIXER:
+       case RT5650_A_DAC_SOUR:
        case RT5645_DIG_INF1_DATA:
        case RT5645_PDM_OUT_CTRL:
        case RT5645_REC_L1_MIXER:
@@ -378,6 +388,8 @@ static bool rt5645_readable_register(struct device *dev, unsigned int reg)
        case RT5645_IL_CMD:
        case RT5645_IL_CMD2:
        case RT5645_IL_CMD3:
+       case RT5650_4BTN_IL_CMD1:
+       case RT5650_4BTN_IL_CMD2:
        case RT5645_DRC1_HL_CTRL1:
        case RT5645_DRC2_HL_CTRL1:
        case RT5645_ADC_MONO_HP_CTRL1:
@@ -601,6 +613,87 @@ static int is_using_asrc(struct snd_soc_dapm_widget *source,
 
 }
 
+/**
+ * rt5645_sel_asrc_clk_src - select ASRC clock source for a set of filters
+ * @codec: SoC audio codec device.
+ * @filter_mask: mask of filters.
+ * @clk_src: clock source
+ *
+ * The ASRC function is for asynchronous MCLK and LRCK. Also, since RT5645 can
+ * only support standard 32fs or 64fs i2s format, ASRC should be enabled to
+ * support special i2s clock format such as Intel's 100fs(100 * sampling rate).
+ * ASRC function will track i2s clock and generate a corresponding system clock
+ * for codec. This function provides an API to select the clock source for a
+ * set of filters specified by the mask. And the codec driver will turn on ASRC
+ * for these filters if ASRC is selected as their clock source.
+ */
+int rt5645_sel_asrc_clk_src(struct snd_soc_codec *codec,
+               unsigned int filter_mask, unsigned int clk_src)
+{
+       unsigned int asrc2_mask = 0;
+       unsigned int asrc2_value = 0;
+       unsigned int asrc3_mask = 0;
+       unsigned int asrc3_value = 0;
+
+       switch (clk_src) {
+       case RT5645_CLK_SEL_SYS:
+       case RT5645_CLK_SEL_I2S1_ASRC:
+       case RT5645_CLK_SEL_I2S2_ASRC:
+       case RT5645_CLK_SEL_SYS2:
+               break;
+
+       default:
+               return -EINVAL;
+       }
+
+       if (filter_mask & RT5645_DA_STEREO_FILTER) {
+               asrc2_mask |= RT5645_DA_STO_CLK_SEL_MASK;
+               asrc2_value = (asrc2_value & ~RT5645_DA_STO_CLK_SEL_MASK)
+                       | (clk_src << RT5645_DA_STO_CLK_SEL_SFT);
+       }
+
+       if (filter_mask & RT5645_DA_MONO_L_FILTER) {
+               asrc2_mask |= RT5645_DA_MONOL_CLK_SEL_MASK;
+               asrc2_value = (asrc2_value & ~RT5645_DA_MONOL_CLK_SEL_MASK)
+                       | (clk_src << RT5645_DA_MONOL_CLK_SEL_SFT);
+       }
+
+       if (filter_mask & RT5645_DA_MONO_R_FILTER) {
+               asrc2_mask |= RT5645_DA_MONOR_CLK_SEL_MASK;
+               asrc2_value = (asrc2_value & ~RT5645_DA_MONOR_CLK_SEL_MASK)
+                       | (clk_src << RT5645_DA_MONOR_CLK_SEL_SFT);
+       }
+
+       if (filter_mask & RT5645_AD_STEREO_FILTER) {
+               asrc2_mask |= RT5645_AD_STO1_CLK_SEL_MASK;
+               asrc2_value = (asrc2_value & ~RT5645_AD_STO1_CLK_SEL_MASK)
+                       | (clk_src << RT5645_AD_STO1_CLK_SEL_SFT);
+       }
+
+       if (filter_mask & RT5645_AD_MONO_L_FILTER) {
+               asrc3_mask |= RT5645_AD_MONOL_CLK_SEL_MASK;
+               asrc3_value = (asrc3_value & ~RT5645_AD_MONOL_CLK_SEL_MASK)
+                       | (clk_src << RT5645_AD_MONOL_CLK_SEL_SFT);
+       }
+
+       if (filter_mask & RT5645_AD_MONO_R_FILTER)  {
+               asrc3_mask |= RT5645_AD_MONOR_CLK_SEL_MASK;
+               asrc3_value = (asrc3_value & ~RT5645_AD_MONOR_CLK_SEL_MASK)
+                       | (clk_src << RT5645_AD_MONOR_CLK_SEL_SFT);
+       }
+
+       if (asrc2_mask)
+               snd_soc_update_bits(codec, RT5645_ASRC_2,
+                       asrc2_mask, asrc2_value);
+
+       if (asrc3_mask)
+               snd_soc_update_bits(codec, RT5645_ASRC_3,
+                       asrc3_mask, asrc3_value);
+
+       return 0;
+}
+EXPORT_SYMBOL_GPL(rt5645_sel_asrc_clk_src);
+
 /* Digital Mixer */
 static const struct snd_kcontrol_new rt5645_sto1_adc_l_mix[] = {
        SOC_DAPM_SINGLE("ADC1 Switch", RT5645_STO1_ADC_MIXER,
@@ -1007,6 +1100,44 @@ static SOC_ENUM_SINGLE_DECL(
 static const struct snd_kcontrol_new rt5645_if1_adc_in_mux =
        SOC_DAPM_ENUM("IF1 ADC IN source", rt5645_if1_adc_in_enum);
 
+/* MX-2d [3] [2] */
+static const char * const rt5650_a_dac1_src[] = {
+       "DAC1", "Stereo DAC Mixer"
+};
+
+static SOC_ENUM_SINGLE_DECL(
+       rt5650_a_dac1_l_enum, RT5650_A_DAC_SOUR,
+       RT5650_A_DAC1_L_IN_SFT, rt5650_a_dac1_src);
+
+static const struct snd_kcontrol_new rt5650_a_dac1_l_mux =
+       SOC_DAPM_ENUM("A DAC1 L source", rt5650_a_dac1_l_enum);
+
+static SOC_ENUM_SINGLE_DECL(
+       rt5650_a_dac1_r_enum, RT5650_A_DAC_SOUR,
+       RT5650_A_DAC1_R_IN_SFT, rt5650_a_dac1_src);
+
+static const struct snd_kcontrol_new rt5650_a_dac1_r_mux =
+       SOC_DAPM_ENUM("A DAC1 R source", rt5650_a_dac1_r_enum);
+
+/* MX-2d [1] [0] */
+static const char * const rt5650_a_dac2_src[] = {
+       "Stereo DAC Mixer", "Mono DAC Mixer"
+};
+
+static SOC_ENUM_SINGLE_DECL(
+       rt5650_a_dac2_l_enum, RT5650_A_DAC_SOUR,
+       RT5650_A_DAC2_L_IN_SFT, rt5650_a_dac2_src);
+
+static const struct snd_kcontrol_new rt5650_a_dac2_l_mux =
+       SOC_DAPM_ENUM("A DAC2 L source", rt5650_a_dac2_l_enum);
+
+static SOC_ENUM_SINGLE_DECL(
+       rt5650_a_dac2_r_enum, RT5650_A_DAC_SOUR,
+       RT5650_A_DAC2_R_IN_SFT, rt5650_a_dac2_src);
+
+static const struct snd_kcontrol_new rt5650_a_dac2_r_mux =
+       SOC_DAPM_ENUM("A DAC2 R source", rt5650_a_dac2_r_enum);
+
 /* MX-2F [13:12] */
 static const char * const rt5645_if2_adc_in_src[] = {
        "IF_ADC1", "IF_ADC2", "VAD_ADC"
@@ -1151,11 +1282,16 @@ static int rt5645_hp_event(struct snd_soc_dapm_widget *w,
        case SND_SOC_DAPM_POST_PMU:
                hp_amp_power(codec, 1);
                /* headphone unmute sequence */
-               snd_soc_update_bits(codec, RT5645_DEPOP_M3, RT5645_CP_FQ1_MASK |
-                       RT5645_CP_FQ2_MASK | RT5645_CP_FQ3_MASK,
-                       (RT5645_CP_FQ_192_KHZ << RT5645_CP_FQ1_SFT) |
-                       (RT5645_CP_FQ_12_KHZ << RT5645_CP_FQ2_SFT) |
-                       (RT5645_CP_FQ_192_KHZ << RT5645_CP_FQ3_SFT));
+               if (rt5645->codec_type == CODEC_TYPE_RT5650) {
+                       snd_soc_write(codec, RT5645_DEPOP_M3, 0x0737);
+               } else {
+                       snd_soc_update_bits(codec, RT5645_DEPOP_M3,
+                               RT5645_CP_FQ1_MASK | RT5645_CP_FQ2_MASK |
+                               RT5645_CP_FQ3_MASK,
+                               (RT5645_CP_FQ_192_KHZ << RT5645_CP_FQ1_SFT) |
+                               (RT5645_CP_FQ_12_KHZ << RT5645_CP_FQ2_SFT) |
+                               (RT5645_CP_FQ_192_KHZ << RT5645_CP_FQ3_SFT));
+               }
                regmap_write(rt5645->regmap,
                        RT5645_PR_BASE + RT5645_MAMP_INT_REG2, 0xfc00);
                snd_soc_update_bits(codec, RT5645_DEPOP_M1,
@@ -1175,12 +1311,16 @@ static int rt5645_hp_event(struct snd_soc_dapm_widget *w,
 
        case SND_SOC_DAPM_PRE_PMD:
                /* headphone mute sequence */
-               snd_soc_update_bits(codec, RT5645_DEPOP_M3,
-                       RT5645_CP_FQ1_MASK | RT5645_CP_FQ2_MASK |
-                       RT5645_CP_FQ3_MASK,
-                       (RT5645_CP_FQ_96_KHZ << RT5645_CP_FQ1_SFT) |
-                       (RT5645_CP_FQ_12_KHZ << RT5645_CP_FQ2_SFT) |
-                       (RT5645_CP_FQ_96_KHZ << RT5645_CP_FQ3_SFT));
+               if (rt5645->codec_type == CODEC_TYPE_RT5650) {
+                       snd_soc_write(codec, RT5645_DEPOP_M3, 0x0737);
+               } else {
+                       snd_soc_update_bits(codec, RT5645_DEPOP_M3,
+                               RT5645_CP_FQ1_MASK | RT5645_CP_FQ2_MASK |
+                               RT5645_CP_FQ3_MASK,
+                               (RT5645_CP_FQ_96_KHZ << RT5645_CP_FQ1_SFT) |
+                               (RT5645_CP_FQ_12_KHZ << RT5645_CP_FQ2_SFT) |
+                               (RT5645_CP_FQ_96_KHZ << RT5645_CP_FQ3_SFT));
+               }
                regmap_write(rt5645->regmap,
                        RT5645_PR_BASE + RT5645_MAMP_INT_REG2, 0xfc00);
                snd_soc_update_bits(codec, RT5645_DEPOP_M1,
@@ -1574,6 +1714,17 @@ static const struct snd_soc_dapm_widget rt5645_dapm_widgets[] = {
        SND_SOC_DAPM_OUTPUT("SPOR"),
 };
 
+static const struct snd_soc_dapm_widget rt5650_specific_dapm_widgets[] = {
+       SND_SOC_DAPM_MUX("A DAC1 L Mux", SND_SOC_NOPM,
+               0, 0, &rt5650_a_dac1_l_mux),
+       SND_SOC_DAPM_MUX("A DAC1 R Mux", SND_SOC_NOPM,
+               0, 0, &rt5650_a_dac1_r_mux),
+       SND_SOC_DAPM_MUX("A DAC2 L Mux", SND_SOC_NOPM,
+               0, 0, &rt5650_a_dac2_l_mux),
+       SND_SOC_DAPM_MUX("A DAC2 R Mux", SND_SOC_NOPM,
+               0, 0, &rt5650_a_dac2_r_mux),
+};
+
 static const struct snd_soc_dapm_route rt5645_dapm_routes[] = {
        { "adc stereo1 filter", NULL, "ADC STO1 ASRC", is_using_asrc },
        { "adc stereo2 filter", NULL, "ADC STO2 ASRC", is_using_asrc },
@@ -1779,13 +1930,9 @@ static const struct snd_soc_dapm_route rt5645_dapm_routes[] = {
        { "DAC MIXR", "DAC R2 Switch", "DAC R2 Volume" },
        { "DAC MIXR", "DAC L2 Switch", "DAC L2 Volume" },
 
-       { "DAC L1", NULL, "Stereo DAC MIXL" },
        { "DAC L1", NULL, "PLL1", is_sys_clk_from_pll },
-       { "DAC R1", NULL, "Stereo DAC MIXR" },
        { "DAC R1", NULL, "PLL1", is_sys_clk_from_pll },
-       { "DAC L2", NULL, "Mono DAC MIXL" },
        { "DAC L2", NULL, "PLL1", is_sys_clk_from_pll },
-       { "DAC R2", NULL, "Mono DAC MIXR" },
        { "DAC R2", NULL, "PLL1", is_sys_clk_from_pll },
 
        { "SPK MIXL", "BST1 Switch", "BST1" },
@@ -1874,6 +2021,30 @@ static const struct snd_soc_dapm_route rt5645_dapm_routes[] = {
        { "SPOR", NULL, "SPK amp" },
 };
 
+static const struct snd_soc_dapm_route rt5650_specific_dapm_routes[] = {
+       { "A DAC1 L Mux", "DAC1",  "DAC1 MIXL"},
+       { "A DAC1 L Mux", "Stereo DAC Mixer", "Stereo DAC MIXL"},
+       { "A DAC1 R Mux", "DAC1",  "DAC1 MIXR"},
+       { "A DAC1 R Mux", "Stereo DAC Mixer", "Stereo DAC MIXR"},
+
+       { "A DAC2 L Mux", "Stereo DAC Mixer", "Stereo DAC MIXL"},
+       { "A DAC2 L Mux", "Mono DAC Mixer", "Mono DAC MIXL"},
+       { "A DAC2 R Mux", "Stereo DAC Mixer", "Stereo DAC MIXR"},
+       { "A DAC2 R Mux", "Mono DAC Mixer", "Mono DAC MIXR"},
+
+       { "DAC L1", NULL, "A DAC1 L Mux" },
+       { "DAC R1", NULL, "A DAC1 R Mux" },
+       { "DAC L2", NULL, "A DAC2 L Mux" },
+       { "DAC R2", NULL, "A DAC2 R Mux" },
+};
+
+static const struct snd_soc_dapm_route rt5645_specific_dapm_routes[] = {
+       { "DAC L1", NULL, "Stereo DAC MIXL" },
+       { "DAC R1", NULL, "Stereo DAC MIXR" },
+       { "DAC L2", NULL, "Mono DAC MIXL" },
+       { "DAC R2", NULL, "Mono DAC MIXR" },
+};
+
 static int rt5645_hw_params(struct snd_pcm_substream *substream,
        struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
 {
@@ -2293,6 +2464,22 @@ static int rt5645_probe(struct snd_soc_codec *codec)
 
        rt5645->codec = codec;
 
+       switch (rt5645->codec_type) {
+       case CODEC_TYPE_RT5645:
+               snd_soc_dapm_add_routes(&codec->dapm,
+                       rt5645_specific_dapm_routes,
+                       ARRAY_SIZE(rt5645_specific_dapm_routes));
+               break;
+       case CODEC_TYPE_RT5650:
+               snd_soc_dapm_new_controls(&codec->dapm,
+                       rt5650_specific_dapm_widgets,
+                       ARRAY_SIZE(rt5650_specific_dapm_widgets));
+               snd_soc_dapm_add_routes(&codec->dapm,
+                       rt5650_specific_dapm_routes,
+                       ARRAY_SIZE(rt5650_specific_dapm_routes));
+               break;
+       }
+
        rt5645_set_bias_level(codec, SND_SOC_BIAS_OFF);
 
        snd_soc_update_bits(codec, RT5645_CHARGE_PUMP, 0x0300, 0x0200);
@@ -2424,6 +2611,7 @@ static const struct regmap_config rt5645_regmap = {
 
 static const struct i2c_device_id rt5645_i2c_id[] = {
        { "rt5645", 0 },
+       { "rt5650", 0 },
        { }
 };
 MODULE_DEVICE_TABLE(i2c, rt5645_i2c_id);
@@ -2456,9 +2644,18 @@ static int rt5645_i2c_probe(struct i2c_client *i2c,
        }
 
        regmap_read(rt5645->regmap, RT5645_VENDOR_ID2, &val);
-       if (val != RT5645_DEVICE_ID) {
+
+       switch (val) {
+       case RT5645_DEVICE_ID:
+               rt5645->codec_type = CODEC_TYPE_RT5645;
+               break;
+       case RT5650_DEVICE_ID:
+               rt5645->codec_type = CODEC_TYPE_RT5650;
+               break;
+       default:
                dev_err(&i2c->dev,
-                       "Device with ID register %x is not rt5645\n", val);
+                       "Device with ID register %x is not rt5645 or rt5650\n",
+                       val);
                return -ENODEV;
        }
 
@@ -2469,6 +2666,14 @@ static int rt5645_i2c_probe(struct i2c_client *i2c,
        if (ret != 0)
                dev_warn(&i2c->dev, "Failed to apply regmap patch: %d\n", ret);
 
+       if (rt5645->codec_type == CODEC_TYPE_RT5650) {
+               ret = regmap_register_patch(rt5645->regmap, rt5650_init_list,
+                                   ARRAY_SIZE(rt5650_init_list));
+               if (ret != 0)
+                       dev_warn(&i2c->dev, "Apply rt5650 patch failed: %d\n",
+                                          ret);
+       }
+
        if (rt5645->pdata.in2_diff)
                regmap_update_bits(rt5645->regmap, RT5645_IN2_CTRL,
                                        RT5645_IN_DF2, RT5645_IN_DF2);