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,
/*
* 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);
}
{
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,
* rsnd_dai_pointer_update() will be called twice,
* ant it will breaks io->byte_pos
*/
- if (dma->submit_loop)
- rsnd_dma_continue(dma);
-
- rsnd_unlock(priv, flags);
rsnd_dai_pointer_update(io, io->byte_per_period);
}
-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);
- buf = runtime->dma_addr +
- rsnd_dai_pointer_offset(io, dma->offset + len);
- dma->offset = len;
+ if (!desc) {
+ dev_err(dev, "dmaengine_prep_slave_sg() fail\n");
+ return;
+ }
- 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;
- }
+ desc->callback = rsnd_dma_complete;
+ desc->callback_param = dma;
- desc->callback = rsnd_dma_complete;
- desc->callback_param = dma;
+ if (dmaengine_submit(desc) < 0) {
+ dev_err(dev, "dmaengine_submit() fail\n");
+ return;
+ }
- if (dmaengine_submit(desc) < 0) {
- dev_err(dev, "dmaengine_submit() fail\n");
- return;
- }
+ dma_async_issue_pending(dma->chan);
+}
- dma_async_issue_pending(dma->chan);
- }
+int rsnd_dma_available(struct rsnd_dma *dma)
+{
+ return !!dma->chan;
}
-static void rsnd_dma_do_work(struct work_struct *work)
+#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)
{
- struct rsnd_dma *dma = container_of(work, struct rsnd_dma, work);
+ 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");
- __rsnd_dma_start(dma);
}
-int rsnd_dma_available(struct rsnd_dma *dma)
+static void rsnd_dma_of_name(struct rsnd_mod *mod_from,
+ struct rsnd_mod *mod_to,
+ char *dma_name)
{
- return !!dma->chan;
+ int index = 0;
+
+ index = _rsnd_dma_of_name(dma_name + index, mod_from);
+ *(dma_name + index++) = '_';
+ index = _rsnd_dma_of_name(dma_name + index, mod_to);
+}
+
+static void rsnd_dma_of_path(struct rsnd_dma *dma,
+ int is_play,
+ struct rsnd_mod **mod_from,
+ struct rsnd_mod **mod_to)
+{
+ 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,
{
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;
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;
}
/*
+ * 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; \
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; \
} \
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;
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;
}
if (ret < 0)
return ret;
+ /* DVC */
+ ret = rsnd_path_parse(priv, io, dvc);
+ if (ret < 0)
+ return ret;
+
return ret;
}
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 device *dev = &pdev->dev;
int nr, i;
- int dai_i, ssi_i, src_i;
+ int dai_i, ssi_i, src_i, dvc_i;
if (!of_data)
return;
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) { \
mod_parse(ssi);
mod_parse(src);
+ mod_parse(dvc);
- if (playback)
- of_node_put(playback);
- if (capture)
- of_node_put(capture);
+ of_node_put(playback);
+ of_node_put(capture);
}
dai_i++;
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,
rsnd_gen_probe,
rsnd_ssi_probe,
rsnd_src_probe,
+ rsnd_dvc_probe,
rsnd_adg_probe,
rsnd_dai_probe,
};
return -ENODEV;
}
- priv->dev = dev;
+ priv->pdev = pdev;
priv->info = info;
spin_lock_init(&priv->lock);
}
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;
}
/*
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;
}
{
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 = {
projects / platform / adaptation / renesas_rcar / renesas_kernel.git / blobdiff