Merge tag 'backport/v3.14.24-ltsi-rc1/phy-rcar-gen2-usb-to-v3.15' into backport/v3...
[platform/adaptation/renesas_rcar/renesas_kernel.git] / sound / soc / sh / rcar / core.c
index d836e8a..1922ec5 100644 (file)
 #define RSND_RATES SNDRV_PCM_RATE_8000_96000
 #define RSND_FMTS (SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE)
 
+static struct rsnd_of_data rsnd_of_data_gen1 = {
+       .flags = RSND_GEN1,
+};
+
+static struct rsnd_of_data rsnd_of_data_gen2 = {
+       .flags = RSND_GEN2,
+};
+
+static struct of_device_id rsnd_of_match[] = {
+       { .compatible = "renesas,rcar_sound-gen1", .data = &rsnd_of_data_gen1 },
+       { .compatible = "renesas,rcar_sound-gen2", .data = &rsnd_of_data_gen2 },
+       {},
+};
+MODULE_DEVICE_TABLE(of, rsnd_of_match);
+
 /*
  *     rsnd_platform functions
  */
@@ -123,6 +138,17 @@ char *rsnd_mod_name(struct rsnd_mod *mod)
        return mod->ops->name;
 }
 
+char *rsnd_mod_dma_name(struct rsnd_mod *mod)
+{
+       if (!mod || !mod->ops)
+               return "unknown";
+
+       if (!mod->ops->dma_name)
+               return mod->ops->name;
+
+       return mod->ops->dma_name(mod);
+}
+
 void rsnd_mod_init(struct rsnd_priv *priv,
                   struct rsnd_mod *mod,
                   struct rsnd_mod_ops *ops,
@@ -138,26 +164,8 @@ void rsnd_mod_init(struct rsnd_priv *priv,
 /*
  *     rsnd_dma functions
  */
-static void __rsnd_dma_start(struct rsnd_dma *dma);
-static void rsnd_dma_continue(struct rsnd_dma *dma)
-{
-       /* push next A or B plane */
-       dma->submit_loop = 1;
-       schedule_work(&dma->work);
-}
-
-void rsnd_dma_start(struct rsnd_dma *dma)
-{
-       /* push both A and B plane*/
-       dma->offset = 0;
-       dma->submit_loop = 2;
-       __rsnd_dma_start(dma);
-}
-
 void rsnd_dma_stop(struct rsnd_dma *dma)
 {
-       dma->submit_loop = 0;
-       cancel_work_sync(&dma->work);
        dmaengine_terminate_all(dma->chan);
 }
 
@@ -165,11 +173,7 @@ static void rsnd_dma_complete(void *data)
 {
        struct rsnd_dma *dma = (struct rsnd_dma *)data;
        struct rsnd_mod *mod = rsnd_dma_to_mod(dma);
-       struct rsnd_priv *priv = rsnd_mod_to_priv(rsnd_dma_to_mod(dma));
        struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
-       unsigned long flags;
-
-       rsnd_lock(priv, flags);
 
        /*
         * Renesas sound Gen1 needs 1 DMAC,
@@ -184,61 +188,128 @@ static void rsnd_dma_complete(void *data)
         */
 
        rsnd_dai_pointer_update(io, io->byte_per_period);
-
-       if (dma->submit_loop)
-               rsnd_dma_continue(dma);
-
-       rsnd_unlock(priv, flags);
 }
 
-static void __rsnd_dma_start(struct rsnd_dma *dma)
+void rsnd_dma_start(struct rsnd_dma *dma)
 {
        struct rsnd_mod *mod = rsnd_dma_to_mod(dma);
        struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
        struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
-       struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
+       struct snd_pcm_substream *substream = io->substream;
        struct device *dev = rsnd_priv_to_dev(priv);
        struct dma_async_tx_descriptor *desc;
-       dma_addr_t buf;
-       size_t len = io->byte_per_period;
-       int i;
 
-       for (i = 0; i < dma->submit_loop; i++) {
+       desc = dmaengine_prep_dma_cyclic(dma->chan,
+                                        (dma->addr) ? dma->addr :
+                                        substream->runtime->dma_addr,
+                                        snd_pcm_lib_buffer_bytes(substream),
+                                        snd_pcm_lib_period_bytes(substream),
+                                        dma->dir,
+                                        DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
+
+       if (!desc) {
+               dev_err(dev, "dmaengine_prep_slave_sg() fail\n");
+               return;
+       }
 
-               buf = runtime->dma_addr +
-                       rsnd_dai_pointer_offset(io, dma->offset + len);
-               dma->offset = len;
+       desc->callback          = rsnd_dma_complete;
+       desc->callback_param    = dma;
 
-               desc = dmaengine_prep_slave_single(
-                       dma->chan, buf, len, dma->dir,
-                       DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
-               if (!desc) {
-                       dev_err(dev, "dmaengine_prep_slave_sg() fail\n");
-                       return;
-               }
+       if (dmaengine_submit(desc) < 0) {
+               dev_err(dev, "dmaengine_submit() fail\n");
+               return;
+       }
 
-               desc->callback          = rsnd_dma_complete;
-               desc->callback_param    = dma;
+       dma_async_issue_pending(dma->chan);
+}
 
-               if (dmaengine_submit(desc) < 0) {
-                       dev_err(dev, "dmaengine_submit() fail\n");
-                       return;
-               }
+int rsnd_dma_available(struct rsnd_dma *dma)
+{
+       return !!dma->chan;
+}
+
+#define DMA_NAME_SIZE 16
+#define MOD_MAX 4 /* MEM/SSI/SRC/DVC */
+static int _rsnd_dma_of_name(char *dma_name, struct rsnd_mod *mod)
+{
+       if (mod)
+               return snprintf(dma_name, DMA_NAME_SIZE / 2, "%s%d",
+                        rsnd_mod_dma_name(mod), rsnd_mod_id(mod));
+       else
+               return snprintf(dma_name, DMA_NAME_SIZE / 2, "mem");
 
-               dma_async_issue_pending(dma->chan);
-       }
 }
 
-static void rsnd_dma_do_work(struct work_struct *work)
+static void rsnd_dma_of_name(struct rsnd_mod *mod_from,
+                            struct rsnd_mod *mod_to,
+                            char *dma_name)
 {
-       struct rsnd_dma *dma = container_of(work, struct rsnd_dma, work);
+       int index = 0;
 
-       __rsnd_dma_start(dma);
+       index = _rsnd_dma_of_name(dma_name + index, mod_from);
+       *(dma_name + index++) = '_';
+       index = _rsnd_dma_of_name(dma_name + index, mod_to);
 }
 
-int rsnd_dma_available(struct rsnd_dma *dma)
+static void rsnd_dma_of_path(struct rsnd_dma *dma,
+                            int is_play,
+                            struct rsnd_mod **mod_from,
+                            struct rsnd_mod **mod_to)
 {
-       return !!dma->chan;
+       struct rsnd_mod *this = rsnd_dma_to_mod(dma);
+       struct rsnd_dai_stream *io = rsnd_mod_to_io(this);
+       struct rsnd_mod *ssi = rsnd_io_to_mod_ssi(io);
+       struct rsnd_mod *src = rsnd_io_to_mod_src(io);
+       struct rsnd_mod *dvc = rsnd_io_to_mod_dvc(io);
+       struct rsnd_mod *mod[MOD_MAX];
+       int i, index;
+
+
+       for (i = 0; i < MOD_MAX; i++)
+               mod[i] = NULL;
+
+       /*
+        * in play case...
+        *
+        * src -> dst
+        *
+        * mem -> SSI
+        * mem -> SRC -> SSI
+        * mem -> SRC -> DVC -> SSI
+        */
+       mod[0] = NULL; /* for "mem" */
+       index = 1;
+       for (i = 1; i < MOD_MAX; i++) {
+               if (!src) {
+                       mod[i] = ssi;
+               } else if (!dvc) {
+                       mod[i] = src;
+                       src = NULL;
+               } else {
+                       if ((!is_play) && (this == src))
+                               this = dvc;
+
+                       mod[i] = (is_play) ? src : dvc;
+                       i++;
+                       mod[i] = (is_play) ? dvc : src;
+                       src = NULL;
+                       dvc = NULL;
+               }
+
+               if (mod[i] == this)
+                       index = i;
+
+               if (mod[i] == ssi)
+                       break;
+       }
+
+       if (is_play) {
+               *mod_from = mod[index - 1];
+               *mod_to   = mod[index];
+       } else {
+               *mod_from = mod[index];
+               *mod_to   = mod[index - 1];
+       }
 }
 
 int rsnd_dma_init(struct rsnd_priv *priv, struct rsnd_dma *dma,
@@ -246,6 +317,9 @@ int rsnd_dma_init(struct rsnd_priv *priv, struct rsnd_dma *dma,
 {
        struct device *dev = rsnd_priv_to_dev(priv);
        struct dma_slave_config cfg;
+       struct rsnd_mod *mod_from;
+       struct rsnd_mod *mod_to;
+       char dma_name[DMA_NAME_SIZE];
        dma_cap_mask_t mask;
        int ret;
 
@@ -257,25 +331,33 @@ int rsnd_dma_init(struct rsnd_priv *priv, struct rsnd_dma *dma,
        dma_cap_zero(mask);
        dma_cap_set(DMA_SLAVE, mask);
 
+       rsnd_dma_of_path(dma, is_play, &mod_from, &mod_to);
+       rsnd_dma_of_name(mod_from, mod_to, dma_name);
+
+       cfg.slave_id    = id;
+       cfg.direction   = is_play ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM;
+       cfg.src_addr    = rsnd_gen_dma_addr(priv, mod_from, is_play, 1);
+       cfg.dst_addr    = rsnd_gen_dma_addr(priv, mod_to,   is_play, 0);
+       cfg.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
+       cfg.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
+
+       dev_dbg(dev, "dma : %s %pad -> %pad\n",
+               dma_name, &cfg.src_addr, &cfg.dst_addr);
+
        dma->chan = dma_request_slave_channel_compat(mask, shdma_chan_filter,
                                                     (void *)id, dev,
-                                                    is_play ? "tx" : "rx");
+                                                    dma_name);
        if (!dma->chan) {
                dev_err(dev, "can't get dma channel\n");
                return -EIO;
        }
 
-       cfg.slave_id    = id;
-       cfg.dst_addr    = 0; /* use default addr when playback */
-       cfg.src_addr    = 0; /* use default addr when capture */
-       cfg.direction   = is_play ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM;
-
        ret = dmaengine_slave_config(dma->chan, &cfg);
        if (ret < 0)
                goto rsnd_dma_init_err;
 
-       dma->dir = is_play ? DMA_TO_DEVICE : DMA_FROM_DEVICE;
-       INIT_WORK(&dma->work, rsnd_dma_do_work);
+       dma->addr = is_play ? cfg.src_addr : cfg.dst_addr;
+       dma->dir = is_play ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM;
 
        return 0;
 
@@ -295,23 +377,49 @@ void  rsnd_dma_quit(struct rsnd_priv *priv,
 }
 
 /*
+ *     settting function
+ */
+u32 rsnd_get_adinr(struct rsnd_mod *mod)
+{
+       struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
+       struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
+       struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
+       struct device *dev = rsnd_priv_to_dev(priv);
+       u32 adinr = runtime->channels;
+
+       switch (runtime->sample_bits) {
+       case 16:
+               adinr |= (8 << 16);
+               break;
+       case 32:
+               adinr |= (0 << 16);
+               break;
+       default:
+               dev_warn(dev, "not supported sample bits\n");
+               return 0;
+       }
+
+       return adinr;
+}
+
+/*
  *     rsnd_dai functions
  */
-#define __rsnd_mod_call(mod, func, rdai, io)                   \
+#define __rsnd_mod_call(mod, func, rdai...)                    \
 ({                                                             \
        struct rsnd_priv *priv = rsnd_mod_to_priv(mod);         \
        struct device *dev = rsnd_priv_to_dev(priv);            \
        dev_dbg(dev, "%s [%d] %s\n",                            \
                rsnd_mod_name(mod), rsnd_mod_id(mod), #func);   \
-       (mod)->ops->func(mod, rdai, io);                        \
+       (mod)->ops->func(mod, rdai);                            \
 })
 
-#define rsnd_mod_call(mod, func, rdai, io)     \
+#define rsnd_mod_call(mod, func, rdai...)      \
        (!(mod) ? -ENODEV :                     \
         !((mod)->ops->func) ? 0 :              \
-        __rsnd_mod_call(mod, func, (rdai), (io)))
+        __rsnd_mod_call(mod, func, rdai))
 
-#define rsnd_dai_call(rdai, io, fn)                            \
+#define rsnd_dai_call(fn, io, rdai...)                         \
 ({                                                             \
        struct rsnd_mod *mod;                                   \
        int ret = 0, i;                                         \
@@ -319,7 +427,7 @@ void  rsnd_dma_quit(struct rsnd_priv *priv,
                mod = (io)->mod[i];                             \
                if (!mod)                                       \
                        continue;                               \
-               ret = rsnd_mod_call(mod, fn, (rdai), (io));     \
+               ret = rsnd_mod_call(mod, fn, rdai);             \
                if (ret < 0)                                    \
                        break;                                  \
        }                                                       \
@@ -453,10 +561,7 @@ static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd,
        struct rsnd_priv *priv = snd_soc_dai_get_drvdata(dai);
        struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
        struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);
-       struct rsnd_mod *mod = rsnd_ssi_mod_get_frm_dai(priv,
-                                               rsnd_dai_id(priv, rdai),
-                                               rsnd_dai_is_play(rdai, io));
-       int ssi_id = rsnd_mod_id(mod);
+       int ssi_id = rsnd_mod_id(rsnd_io_to_mod_ssi(io));
        int ret;
        unsigned long flags;
 
@@ -472,20 +577,20 @@ static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd,
                if (ret < 0)
                        goto dai_trigger_end;
 
-               ret = rsnd_dai_call(rdai, io, init);
+               ret = rsnd_dai_call(init, io, rdai);
                if (ret < 0)
                        goto dai_trigger_end;
 
-               ret = rsnd_dai_call(rdai, io, start);
+               ret = rsnd_dai_call(start, io, rdai);
                if (ret < 0)
                        goto dai_trigger_end;
                break;
        case SNDRV_PCM_TRIGGER_STOP:
-               ret = rsnd_dai_call(rdai, io, stop);
+               ret = rsnd_dai_call(stop, io, rdai);
                if (ret < 0)
                        goto dai_trigger_end;
 
-               ret = rsnd_dai_call(rdai, io, quit);
+               ret = rsnd_dai_call(quit, io, rdai);
                if (ret < 0)
                        goto dai_trigger_end;
 
@@ -519,40 +624,41 @@ static int rsnd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
                return -EINVAL;
        }
 
-       /* set clock inversion */
-       switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
-       case SND_SOC_DAIFMT_NB_IF:
-               rdai->bit_clk_inv = 0;
-               rdai->frm_clk_inv = 1;
-               break;
-       case SND_SOC_DAIFMT_IB_NF:
-               rdai->bit_clk_inv = 1;
-               rdai->frm_clk_inv = 0;
-               break;
-       case SND_SOC_DAIFMT_IB_IF:
-               rdai->bit_clk_inv = 1;
-               rdai->frm_clk_inv = 1;
-               break;
-       case SND_SOC_DAIFMT_NB_NF:
-       default:
-               rdai->bit_clk_inv = 0;
-               rdai->frm_clk_inv = 0;
-               break;
-       }
-
        /* set format */
        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
        case SND_SOC_DAIFMT_I2S:
                rdai->sys_delay = 0;
                rdai->data_alignment = 0;
+               rdai->frm_clk_inv = 0;
                break;
        case SND_SOC_DAIFMT_LEFT_J:
                rdai->sys_delay = 1;
                rdai->data_alignment = 0;
+               rdai->frm_clk_inv = 1;
                break;
        case SND_SOC_DAIFMT_RIGHT_J:
                rdai->sys_delay = 1;
                rdai->data_alignment = 1;
+               rdai->frm_clk_inv = 1;
+               break;
+       }
+
+       /* set clock inversion */
+       switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+       case SND_SOC_DAIFMT_NB_IF:
+               rdai->bit_clk_inv =  rdai->bit_clk_inv;
+               rdai->frm_clk_inv = !rdai->frm_clk_inv;
+               break;
+       case SND_SOC_DAIFMT_IB_NF:
+               rdai->bit_clk_inv = !rdai->bit_clk_inv;
+               rdai->frm_clk_inv =  rdai->frm_clk_inv;
+               break;
+       case SND_SOC_DAIFMT_IB_IF:
+               rdai->bit_clk_inv = !rdai->bit_clk_inv;
+               rdai->frm_clk_inv = !rdai->frm_clk_inv;
+               break;
+       case SND_SOC_DAIFMT_NB_NF:
+       default:
                break;
        }
 
@@ -564,15 +670,27 @@ static const struct snd_soc_dai_ops rsnd_soc_dai_ops = {
        .set_fmt        = rsnd_soc_dai_set_fmt,
 };
 
+#define rsnd_path_parse(priv, io, type)                                \
+({                                                             \
+       struct rsnd_mod *mod;                                   \
+       int ret = 0;                                            \
+       int id = -1;                                            \
+                                                               \
+       if (rsnd_is_enable_path(io, type)) {                    \
+               id = rsnd_info_id(priv, io, type);              \
+               if (id >= 0) {                                  \
+                       mod = rsnd_##type##_mod_get(priv, id);  \
+                       ret = rsnd_dai_connect(mod, io);        \
+               }                                               \
+       }                                                       \
+       ret;                                                    \
+})
+
 static int rsnd_path_init(struct rsnd_priv *priv,
                          struct rsnd_dai *rdai,
                          struct rsnd_dai_stream *io)
 {
-       struct rsnd_mod *mod;
-       struct rsnd_dai_platform_info *dai_info = rdai->info;
        int ret;
-       int ssi_id = -1;
-       int src_id = -1;
 
        /*
         * Gen1 is created by SRU/SSI, and this SRU is base module of
@@ -584,68 +702,125 @@ static int rsnd_path_init(struct rsnd_priv *priv,
         * Gen2 SCU path is very flexible, but, Gen1 SRU (SCU parts) is
         * using fixed path.
         */
-       if (dai_info) {
-               if (rsnd_is_enable_path(io, ssi))
-                       ssi_id = rsnd_info_id(priv, io, ssi);
-               if (rsnd_is_enable_path(io, src))
-                       src_id = rsnd_info_id(priv, io, src);
-       } else {
-               /* get SSI's ID */
-               mod = rsnd_ssi_mod_get_frm_dai(priv,
-                                              rsnd_dai_id(priv, rdai),
-                                              rsnd_dai_is_play(rdai, io));
-               if (!mod)
-                       return 0;
-               ssi_id = src_id = rsnd_mod_id(mod);
-       }
-
-       ret = 0;
 
        /* SRC */
-       if (src_id >= 0) {
-               mod = rsnd_src_mod_get(priv, src_id);
-               ret = rsnd_dai_connect(mod, io);
-               if (ret < 0)
-                       return ret;
-       }
+       ret = rsnd_path_parse(priv, io, src);
+       if (ret < 0)
+               return ret;
 
        /* SSI */
-       if (ssi_id >= 0) {
-               mod = rsnd_ssi_mod_get(priv, ssi_id);
-               ret = rsnd_dai_connect(mod, io);
-               if (ret < 0)
-                       return ret;
-       }
+       ret = rsnd_path_parse(priv, io, ssi);
+       if (ret < 0)
+               return ret;
+
+       /* DVC */
+       ret = rsnd_path_parse(priv, io, dvc);
+       if (ret < 0)
+               return ret;
 
        return ret;
 }
 
-static int rsnd_dai_probe(struct platform_device *pdev,
-                         struct rsnd_priv *priv)
+static void rsnd_of_parse_dai(struct platform_device *pdev,
+                             const struct rsnd_of_data *of_data,
+                             struct rsnd_priv *priv)
 {
-       struct snd_soc_dai_driver *drv;
+       struct device_node *dai_node,   *dai_np;
+       struct device_node *ssi_node,   *ssi_np;
+       struct device_node *src_node,   *src_np;
+       struct device_node *dvc_node,   *dvc_np;
+       struct device_node *playback, *capture;
+       struct rsnd_dai_platform_info *dai_info;
        struct rcar_snd_info *info = rsnd_priv_to_info(priv);
-       struct rsnd_dai *rdai;
-       struct rsnd_mod *pmod, *cmod;
-       struct device *dev = rsnd_priv_to_dev(priv);
-       int dai_nr = info->dai_info_nr;
-       int i;
+       struct device *dev = &pdev->dev;
+       int nr, i;
+       int dai_i, ssi_i, src_i, dvc_i;
+
+       if (!of_data)
+               return;
+
+       dai_node = of_get_child_by_name(dev->of_node, "rcar_sound,dai");
+       if (!dai_node)
+               return;
+
+       nr = of_get_child_count(dai_node);
+       if (!nr)
+               return;
+
+       dai_info = devm_kzalloc(dev,
+                               sizeof(struct rsnd_dai_platform_info) * nr,
+                               GFP_KERNEL);
+       if (!dai_info) {
+               dev_err(dev, "dai info allocation error\n");
+               return;
+       }
+
+       info->dai_info_nr       = nr;
+       info->dai_info          = dai_info;
+
+       ssi_node = of_get_child_by_name(dev->of_node, "rcar_sound,ssi");
+       src_node = of_get_child_by_name(dev->of_node, "rcar_sound,src");
+       dvc_node = of_get_child_by_name(dev->of_node, "rcar_sound,dvc");
+
+#define mod_parse(name)                                                        \
+if (name##_node) {                                                     \
+       struct rsnd_##name##_platform_info *name##_info;                \
+                                                                       \
+       name##_i = 0;                                                   \
+       for_each_child_of_node(name##_node, name##_np) {                \
+               name##_info = info->name##_info + name##_i;             \
+                                                                       \
+               if (name##_np == playback)                              \
+                       dai_info->playback.name = name##_info;          \
+               if (name##_np == capture)                               \
+                       dai_info->capture.name = name##_info;           \
+                                                                       \
+               name##_i++;                                             \
+       }                                                               \
+}
 
        /*
-        * dai_nr should be set via dai_info_nr,
-        * but allow it to keeping compatible
+        * parse all dai
         */
-       if (!dai_nr) {
-               /* get max dai nr */
-               for (dai_nr = 0; dai_nr < 32; dai_nr++) {
-                       pmod = rsnd_ssi_mod_get_frm_dai(priv, dai_nr, 1);
-                       cmod = rsnd_ssi_mod_get_frm_dai(priv, dai_nr, 0);
+       dai_i = 0;
+       for_each_child_of_node(dai_node, dai_np) {
+               dai_info = info->dai_info + dai_i;
+
+               for (i = 0;; i++) {
 
-                       if (!pmod && !cmod)
+                       playback = of_parse_phandle(dai_np, "playback", i);
+                       capture  = of_parse_phandle(dai_np, "capture", i);
+
+                       if (!playback && !capture)
                                break;
+
+                       mod_parse(ssi);
+                       mod_parse(src);
+                       mod_parse(dvc);
+
+                       of_node_put(playback);
+                       of_node_put(capture);
                }
+
+               dai_i++;
        }
+}
+
+static int rsnd_dai_probe(struct platform_device *pdev,
+                         const struct rsnd_of_data *of_data,
+                         struct rsnd_priv *priv)
+{
+       struct snd_soc_dai_driver *drv;
+       struct rcar_snd_info *info = rsnd_priv_to_info(priv);
+       struct rsnd_dai *rdai;
+       struct rsnd_ssi_platform_info *pmod, *cmod;
+       struct device *dev = rsnd_priv_to_dev(priv);
+       int dai_nr;
+       int i;
 
+       rsnd_of_parse_dai(pdev, of_data, priv);
+
+       dai_nr = info->dai_info_nr;
        if (!dai_nr) {
                dev_err(dev, "no dai\n");
                return -EIO;
@@ -663,11 +838,10 @@ static int rsnd_dai_probe(struct platform_device *pdev,
        priv->rdai      = rdai;
 
        for (i = 0; i < dai_nr; i++) {
-               if (info->dai_info)
-                       rdai[i].info = &info->dai_info[i];
+               rdai[i].info = &info->dai_info[i];
 
-               pmod = rsnd_ssi_mod_get_frm_dai(priv, i, 1);
-               cmod = rsnd_ssi_mod_get_frm_dai(priv, i, 0);
+               pmod = rdai[i].info->playback.ssi;
+               cmod = rdai[i].info->capture.ssi;
 
                /*
                 *      init rsnd_dai
@@ -685,8 +859,7 @@ static int rsnd_dai_probe(struct platform_device *pdev,
                        drv[i].playback.channels_min    = 2;
                        drv[i].playback.channels_max    = 2;
 
-                       if (info->dai_info)
-                               rdai[i].playback.info = &info->dai_info[i].playback;
+                       rdai[i].playback.info = &info->dai_info[i].playback;
                        rsnd_path_init(priv, &rdai[i], &rdai[i].playback);
                }
                if (cmod) {
@@ -695,8 +868,7 @@ static int rsnd_dai_probe(struct platform_device *pdev,
                        drv[i].capture.channels_min     = 2;
                        drv[i].capture.channels_max     = 2;
 
-                       if (info->dai_info)
-                               rdai[i].capture.info = &info->dai_info[i].capture;
+                       rdai[i].capture.info = &info->dai_info[i].capture;
                        rsnd_path_init(priv, &rdai[i], &rdai[i].capture);
                }
 
@@ -771,6 +943,18 @@ static struct snd_pcm_ops rsnd_pcm_ops = {
 
 static int rsnd_pcm_new(struct snd_soc_pcm_runtime *rtd)
 {
+       struct snd_soc_dai *dai = rtd->cpu_dai;
+       struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
+       int ret;
+
+       ret = rsnd_dai_call(pcm_new, &rdai->playback, rdai, rtd);
+       if (ret)
+               return ret;
+
+       ret = rsnd_dai_call(pcm_new, &rdai->capture, rdai, rtd);
+       if (ret)
+               return ret;
+
        return snd_pcm_lib_preallocate_pages_for_all(
                rtd->pcm,
                SNDRV_DMA_TYPE_DEV,
@@ -802,17 +986,30 @@ static int rsnd_probe(struct platform_device *pdev)
        struct rsnd_priv *priv;
        struct device *dev = &pdev->dev;
        struct rsnd_dai *rdai;
+       const struct of_device_id *of_id = of_match_device(rsnd_of_match, dev);
+       const struct rsnd_of_data *of_data;
        int (*probe_func[])(struct platform_device *pdev,
+                           const struct rsnd_of_data *of_data,
                            struct rsnd_priv *priv) = {
                rsnd_gen_probe,
                rsnd_ssi_probe,
                rsnd_src_probe,
+               rsnd_dvc_probe,
                rsnd_adg_probe,
                rsnd_dai_probe,
        };
        int ret, i;
 
-       info = pdev->dev.platform_data;
+       info = NULL;
+       of_data = NULL;
+       if (of_id) {
+               info = devm_kzalloc(&pdev->dev,
+                                   sizeof(struct rcar_snd_info), GFP_KERNEL);
+               of_data = of_id->data;
+       } else {
+               info = pdev->dev.platform_data;
+       }
+
        if (!info) {
                dev_err(dev, "driver needs R-Car sound information\n");
                return -ENODEV;
@@ -827,7 +1024,7 @@ static int rsnd_probe(struct platform_device *pdev)
                return -ENODEV;
        }
 
-       priv->dev       = dev;
+       priv->pdev      = pdev;
        priv->info      = info;
        spin_lock_init(&priv->lock);
 
@@ -835,19 +1032,19 @@ static int rsnd_probe(struct platform_device *pdev)
         *      init each module
         */
        for (i = 0; i < ARRAY_SIZE(probe_func); i++) {
-               ret = probe_func[i](pdev, priv);
+               ret = probe_func[i](pdev, of_data, priv);
                if (ret)
                        return ret;
        }
 
        for_each_rsnd_dai(rdai, priv, i) {
-               ret = rsnd_dai_call(rdai, &rdai->playback, probe);
+               ret = rsnd_dai_call(probe, &rdai->playback, rdai);
                if (ret)
-                       return ret;
+                       goto exit_snd_probe;
 
-               ret = rsnd_dai_call(rdai, &rdai->capture, probe);
+               ret = rsnd_dai_call(probe, &rdai->capture, rdai);
                if (ret)
-                       return ret;
+                       goto exit_snd_probe;
        }
 
        /*
@@ -875,6 +1072,11 @@ static int rsnd_probe(struct platform_device *pdev)
 
 exit_snd_soc:
        snd_soc_unregister_platform(dev);
+exit_snd_probe:
+       for_each_rsnd_dai(rdai, priv, i) {
+               rsnd_dai_call(remove, &rdai->playback, rdai);
+               rsnd_dai_call(remove, &rdai->capture, rdai);
+       }
 
        return ret;
 }
@@ -883,26 +1085,22 @@ static int rsnd_remove(struct platform_device *pdev)
 {
        struct rsnd_priv *priv = dev_get_drvdata(&pdev->dev);
        struct rsnd_dai *rdai;
-       int ret, i;
+       int ret = 0, i;
 
        pm_runtime_disable(&pdev->dev);
 
        for_each_rsnd_dai(rdai, priv, i) {
-               ret = rsnd_dai_call(rdai, &rdai->playback, remove);
-               if (ret)
-                       return ret;
-
-               ret = rsnd_dai_call(rdai, &rdai->capture, remove);
-               if (ret)
-                       return ret;
+               ret |= rsnd_dai_call(remove, &rdai->playback, rdai);
+               ret |= rsnd_dai_call(remove, &rdai->capture, rdai);
        }
 
-       return 0;
+       return ret;
 }
 
 static struct platform_driver rsnd_driver = {
        .driver = {
                .name   = "rcar_sound",
+               .of_match_table = rsnd_of_match,
        },
        .probe          = rsnd_probe,
        .remove         = rsnd_remove,