int dmapp_num;
};
+struct rsnd_dma_ops {
+ char *name;
+ void (*start)(struct rsnd_dai_stream *io, struct rsnd_dma *dma);
+ void (*stop)(struct rsnd_dai_stream *io, struct rsnd_dma *dma);
+ int (*init)(struct rsnd_dai_stream *io, struct rsnd_dma *dma, int id,
+ struct rsnd_mod *mod_from, struct rsnd_mod *mod_to);
+ void (*quit)(struct rsnd_dai_stream *io, struct rsnd_dma *dma);
+};
+
#define rsnd_priv_to_dmac(p) ((struct rsnd_dma_ctrl *)(p)->dma)
/*
* Audio DMAC
*/
-static void rsnd_dmaen_complete(void *data)
+static void __rsnd_dmaen_complete(struct rsnd_mod *mod,
+ struct rsnd_dai_stream *io)
{
- struct rsnd_dma *dma = (struct rsnd_dma *)data;
- struct rsnd_mod *mod = rsnd_dma_to_mod(dma);
- struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
+ struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
+ bool elapsed = false;
+ unsigned long flags;
/*
* Renesas sound Gen1 needs 1 DMAC,
* rsnd_dai_pointer_update() will be called twice,
* ant it will breaks io->byte_pos
*/
+ spin_lock_irqsave(&priv->lock, flags);
+
+ if (rsnd_io_is_working(io))
+ elapsed = rsnd_dai_pointer_update(io, io->byte_per_period);
+
+ spin_unlock_irqrestore(&priv->lock, flags);
+
+ if (elapsed)
+ rsnd_dai_period_elapsed(io);
+}
+
+static void rsnd_dmaen_complete(void *data)
+{
+ struct rsnd_mod *mod = data;
- rsnd_dai_pointer_update(io, io->byte_per_period);
+ rsnd_mod_interrupt(mod, __rsnd_dmaen_complete);
}
-static void rsnd_dmaen_stop(struct rsnd_dma *dma)
+static void rsnd_dmaen_stop(struct rsnd_dai_stream *io, struct rsnd_dma *dma)
{
struct rsnd_dmaen *dmaen = rsnd_dma_to_dmaen(dma);
dmaengine_terminate_all(dmaen->chan);
}
-static void rsnd_dmaen_start(struct rsnd_dma *dma)
+static void rsnd_dmaen_start(struct rsnd_dai_stream *io, struct rsnd_dma *dma)
{
struct rsnd_dmaen *dmaen = rsnd_dma_to_dmaen(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_substream *substream = io->substream;
struct device *dev = rsnd_priv_to_dev(priv);
struct dma_async_tx_descriptor *desc;
}
desc->callback = rsnd_dmaen_complete;
- desc->callback_param = dma;
+ desc->callback_param = mod;
if (dmaengine_submit(desc) < 0) {
dev_err(dev, "dmaengine_submit() fail\n");
return chan;
}
-static struct dma_chan *rsnd_dmaen_request_channel(struct rsnd_mod *mod_from,
+static struct dma_chan *rsnd_dmaen_request_channel(struct rsnd_dai_stream *io,
+ struct rsnd_mod *mod_from,
struct rsnd_mod *mod_to)
{
if ((!mod_from && !mod_to) ||
return NULL;
if (mod_from)
- return rsnd_mod_dma_req(mod_from);
+ return rsnd_mod_dma_req(io, mod_from);
else
- return rsnd_mod_dma_req(mod_to);
+ return rsnd_mod_dma_req(io, mod_to);
}
-static int rsnd_dmaen_init(struct rsnd_priv *priv, struct rsnd_dma *dma, int id,
+static int rsnd_dmaen_init(struct rsnd_dai_stream *io,
+ struct rsnd_dma *dma, int id,
struct rsnd_mod *mod_from, struct rsnd_mod *mod_to)
{
struct rsnd_dmaen *dmaen = rsnd_dma_to_dmaen(dma);
+ struct rsnd_priv *priv = rsnd_io_to_priv(io);
struct device *dev = rsnd_priv_to_dev(priv);
struct dma_slave_config cfg = {};
- struct rsnd_mod *mod = rsnd_dma_to_mod(dma);
- struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
int is_play = rsnd_io_is_play(io);
int ret;
}
if (dev->of_node) {
- dmaen->chan = rsnd_dmaen_request_channel(mod_from, mod_to);
+ dmaen->chan = rsnd_dmaen_request_channel(io, mod_from, mod_to);
} else {
dma_cap_mask_t mask;
dma_cap_set(DMA_SLAVE, mask);
dmaen->chan = dma_request_channel(mask, shdma_chan_filter,
- (void *)id);
+ (void *)(uintptr_t)id);
}
if (IS_ERR_OR_NULL(dmaen->chan)) {
dmaen->chan = NULL;
cfg.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
cfg.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
- dev_dbg(dev, "dma : %pad -> %pad\n",
+ dev_dbg(dev, "%s %pad -> %pad\n",
+ dma->ops->name,
&cfg.src_addr, &cfg.dst_addr);
ret = dmaengine_slave_config(dmaen->chan, &cfg);
return 0;
rsnd_dma_init_err:
- rsnd_dma_quit(dma);
+ rsnd_dma_quit(io, dma);
rsnd_dma_channel_err:
/*
return -EAGAIN;
}
-static void rsnd_dmaen_quit(struct rsnd_dma *dma)
+static void rsnd_dmaen_quit(struct rsnd_dai_stream *io, struct rsnd_dma *dma)
{
struct rsnd_dmaen *dmaen = rsnd_dma_to_dmaen(dma);
}
static struct rsnd_dma_ops rsnd_dmaen_ops = {
+ .name = "audmac",
.start = rsnd_dmaen_start,
.stop = rsnd_dmaen_stop,
.init = rsnd_dmaen_init,
0x38, /* SCU_CMD1 */
};
-static u32 rsnd_dmapp_get_id(struct rsnd_mod *mod)
+static u32 rsnd_dmapp_get_id(struct rsnd_dai_stream *io,
+ struct rsnd_mod *mod)
{
- struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
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);
return entry[id];
}
-static u32 rsnd_dmapp_get_chcr(struct rsnd_mod *mod_from,
+static u32 rsnd_dmapp_get_chcr(struct rsnd_dai_stream *io,
+ struct rsnd_mod *mod_from,
struct rsnd_mod *mod_to)
{
- return (rsnd_dmapp_get_id(mod_from) << 24) +
- (rsnd_dmapp_get_id(mod_to) << 16);
+ return (rsnd_dmapp_get_id(io, mod_from) << 24) +
+ (rsnd_dmapp_get_id(io, mod_to) << 16);
}
#define rsnd_dmapp_addr(dmac, dma, reg) \
return ioread32(rsnd_dmapp_addr(dmac, dma, reg));
}
-static void rsnd_dmapp_stop(struct rsnd_dma *dma)
+static void rsnd_dmapp_stop(struct rsnd_dai_stream *io, struct rsnd_dma *dma)
{
int i;
}
}
-static void rsnd_dmapp_start(struct rsnd_dma *dma)
+static void rsnd_dmapp_start(struct rsnd_dai_stream *io, struct rsnd_dma *dma)
{
struct rsnd_dmapp *dmapp = rsnd_dma_to_dmapp(dma);
rsnd_dmapp_write(dma, dmapp->chcr, PDMACHCR);
}
-static int rsnd_dmapp_init(struct rsnd_priv *priv, struct rsnd_dma *dma, int id,
+static int rsnd_dmapp_init(struct rsnd_dai_stream *io,
+ struct rsnd_dma *dma, int id,
struct rsnd_mod *mod_from, struct rsnd_mod *mod_to)
{
struct rsnd_dmapp *dmapp = rsnd_dma_to_dmapp(dma);
+ struct rsnd_priv *priv = rsnd_io_to_priv(io);
struct rsnd_dma_ctrl *dmac = rsnd_priv_to_dmac(priv);
struct device *dev = rsnd_priv_to_dev(priv);
dmapp->dmapp_id = dmac->dmapp_num;
- dmapp->chcr = rsnd_dmapp_get_chcr(mod_from, mod_to) | PDMACHCR_DE;
+ dmapp->chcr = rsnd_dmapp_get_chcr(io, mod_from, mod_to) | PDMACHCR_DE;
dmac->dmapp_num++;
- rsnd_dmapp_stop(dma);
+ rsnd_dmapp_stop(io, dma);
dev_dbg(dev, "id/src/dst/chcr = %d/%pad/%pad/%08x\n",
dmapp->dmapp_id, &dma->src_addr, &dma->dst_addr, dmapp->chcr);
}
static struct rsnd_dma_ops rsnd_dmapp_ops = {
+ .name = "audmac-pp",
.start = rsnd_dmapp_start,
.stop = rsnd_dmapp_stop,
.init = rsnd_dmapp_init,
#define RDMA_CMD_O_P(addr, i) (addr ##_reg - 0x001f8000 + (0x400 * i))
static dma_addr_t
-rsnd_gen2_dma_addr(struct rsnd_priv *priv,
+rsnd_gen2_dma_addr(struct rsnd_dai_stream *io,
struct rsnd_mod *mod,
int is_play, int is_from)
{
+ struct rsnd_priv *priv = rsnd_io_to_priv(io);
struct device *dev = rsnd_priv_to_dev(priv);
- struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
phys_addr_t ssi_reg = rsnd_gen_get_phy_addr(priv, RSND_GEN2_SSI);
phys_addr_t src_reg = rsnd_gen_get_phy_addr(priv, RSND_GEN2_SCU);
int is_ssi = !!(rsnd_io_to_mod_ssi(io) == mod);
int use_src = !!rsnd_io_to_mod_src(io);
- int use_dvc = !!rsnd_io_to_mod_dvc(io);
+ int use_cmd = !!rsnd_io_to_mod_dvc(io) ||
+ !!rsnd_io_to_mod_mix(io) ||
+ !!rsnd_io_to_mod_ctu(io);
int id = rsnd_mod_id(mod);
struct dma_addr {
dma_addr_t out_addr;
};
/* it shouldn't happen */
- if (use_dvc && !use_src)
+ if (use_cmd && !use_src)
dev_err(dev, "DVC is selected without SRC\n");
/* use SSIU or SSI ? */
- if (is_ssi && rsnd_ssi_use_busif(mod))
+ if (is_ssi && rsnd_ssi_use_busif(io))
is_ssi++;
return (is_from) ?
- dma_addrs[is_ssi][is_play][use_src + use_dvc].out_addr :
- dma_addrs[is_ssi][is_play][use_src + use_dvc].in_addr;
+ dma_addrs[is_ssi][is_play][use_src + use_cmd].out_addr :
+ dma_addrs[is_ssi][is_play][use_src + use_cmd].in_addr;
}
-static dma_addr_t rsnd_dma_addr(struct rsnd_priv *priv,
+static dma_addr_t rsnd_dma_addr(struct rsnd_dai_stream *io,
struct rsnd_mod *mod,
int is_play, int is_from)
{
+ struct rsnd_priv *priv = rsnd_io_to_priv(io);
+
/*
* gen1 uses default DMA addr
*/
if (!mod)
return 0;
- return rsnd_gen2_dma_addr(priv, mod, is_play, is_from);
+ return rsnd_gen2_dma_addr(io, mod, is_play, is_from);
}
-#define MOD_MAX 4 /* MEM/SSI/SRC/DVC */
+#define MOD_MAX (RSND_MOD_MAX + 1) /* +Memory */
static void rsnd_dma_of_path(struct rsnd_dma *dma,
+ struct rsnd_dai_stream *io,
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 *ctu = rsnd_io_to_mod_ctu(io);
+ struct rsnd_mod *mix = rsnd_io_to_mod_mix(io);
struct rsnd_mod *dvc = rsnd_io_to_mod_dvc(io);
struct rsnd_mod *mod[MOD_MAX];
- int i, index;
+ struct rsnd_mod *mod_start, *mod_end;
+ struct rsnd_priv *priv = rsnd_mod_to_priv(this);
+ struct device *dev = rsnd_priv_to_dev(priv);
+ int nr, i;
+ if (!ssi)
+ return;
- for (i = 0; i < MOD_MAX; i++)
+ nr = 0;
+ for (i = 0; i < MOD_MAX; i++) {
mod[i] = NULL;
+ nr += !!rsnd_io_to_mod(io, i);
+ }
/*
- * in play case...
+ * [S] -*-> [E]
+ * [S] -*-> SRC -o-> [E]
+ * [S] -*-> SRC -> DVC -o-> [E]
+ * [S] -*-> SRC -> CTU -> MIX -> DVC -o-> [E]
+ *
+ * playback [S] = mem
+ * [E] = SSI
*
- * src -> dst
+ * capture [S] = SSI
+ * [E] = mem
*
- * mem -> SSI
- * mem -> SRC -> SSI
- * mem -> SRC -> DVC -> SSI
+ * -*-> Audio DMAC
+ * -o-> Audio DMAC peri peri
*/
- 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_start = (is_play) ? NULL : ssi;
+ mod_end = (is_play) ? ssi : NULL;
- mod[i] = (is_play) ? src : dvc;
- i++;
- mod[i] = (is_play) ? dvc : src;
+ mod[0] = mod_start;
+ for (i = 1; i < nr; i++) {
+ if (src) {
+ mod[i] = src;
src = NULL;
+ } else if (ctu) {
+ mod[i] = ctu;
+ ctu = NULL;
+ } else if (mix) {
+ mod[i] = mix;
+ mix = NULL;
+ } else if (dvc) {
+ mod[i] = dvc;
dvc = NULL;
}
-
- if (mod[i] == this)
- index = i;
-
- if (mod[i] == ssi)
- break;
}
+ mod[i] = mod_end;
- if (is_play) {
- *mod_from = mod[index - 1];
- *mod_to = mod[index];
+ /*
+ * | SSI | SRC |
+ * -------------+-----+-----+
+ * is_play | o | * |
+ * !is_play | * | o |
+ */
+ if ((this == ssi) == (is_play)) {
+ *mod_from = mod[nr - 1];
+ *mod_to = mod[nr];
} else {
- *mod_from = mod[index];
- *mod_to = mod[index - 1];
+ *mod_from = mod[0];
+ *mod_to = mod[1];
+ }
+
+ dev_dbg(dev, "module connection (this is %s[%d])\n",
+ rsnd_mod_name(this), rsnd_mod_id(this));
+ for (i = 0; i <= nr; i++) {
+ dev_dbg(dev, " %s[%d]%s\n",
+ rsnd_mod_name(mod[i]), rsnd_mod_id(mod[i]),
+ (mod[i] == *mod_from) ? " from" :
+ (mod[i] == *mod_to) ? " to" : "");
}
}
-void rsnd_dma_stop(struct rsnd_dma *dma)
+void rsnd_dma_stop(struct rsnd_dai_stream *io, struct rsnd_dma *dma)
{
- dma->ops->stop(dma);
+ dma->ops->stop(io, dma);
}
-void rsnd_dma_start(struct rsnd_dma *dma)
+void rsnd_dma_start(struct rsnd_dai_stream *io, struct rsnd_dma *dma)
{
- dma->ops->start(dma);
+ dma->ops->start(io, dma);
}
-void rsnd_dma_quit(struct rsnd_dma *dma)
+void rsnd_dma_quit(struct rsnd_dai_stream *io, struct rsnd_dma *dma)
{
struct rsnd_mod *mod = rsnd_dma_to_mod(dma);
struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
if (!dmac)
return;
- dma->ops->quit(dma);
+ dma->ops->quit(io, dma);
}
-int rsnd_dma_init(struct rsnd_priv *priv, struct rsnd_dma *dma, int id)
+int rsnd_dma_init(struct rsnd_dai_stream *io, struct rsnd_dma *dma, int id)
{
- struct rsnd_mod *mod = rsnd_dma_to_mod(dma);
- struct rsnd_mod *mod_from;
- struct rsnd_mod *mod_to;
- struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
+ struct rsnd_mod *mod_from = NULL;
+ struct rsnd_mod *mod_to = NULL;
+ struct rsnd_priv *priv = rsnd_io_to_priv(io);
struct rsnd_dma_ctrl *dmac = rsnd_priv_to_dmac(priv);
+ struct device *dev = rsnd_priv_to_dev(priv);
int is_play = rsnd_io_is_play(io);
/*
if (!dmac)
return -EAGAIN;
- rsnd_dma_of_path(dma, is_play, &mod_from, &mod_to);
+ rsnd_dma_of_path(dma, io, is_play, &mod_from, &mod_to);
- dma->src_addr = rsnd_dma_addr(priv, mod_from, is_play, 1);
- dma->dst_addr = rsnd_dma_addr(priv, mod_to, is_play, 0);
+ dma->src_addr = rsnd_dma_addr(io, mod_from, is_play, 1);
+ dma->dst_addr = rsnd_dma_addr(io, mod_to, is_play, 0);
/* for Gen2 */
if (mod_from && mod_to)
if (rsnd_is_gen1(priv))
dma->ops = &rsnd_dmaen_ops;
- return dma->ops->init(priv, dma, id, mod_from, mod_to);
+ dev_dbg(dev, "%s %s[%d] -> %s[%d]\n",
+ dma->ops->name,
+ rsnd_mod_name(mod_from), rsnd_mod_id(mod_from),
+ rsnd_mod_name(mod_to), rsnd_mod_id(mod_to));
+
+ return dma->ops->init(io, dma, id, mod_from, mod_to);
}
int rsnd_dma_probe(struct platform_device *pdev,
Code Review / kvmfornfv.git / blobdiff