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ASoC: rsnd: use mod base common method on DMA phase3

Telusuri Sumber 
Renesas sound needs many devices
(SSI/SSIU/SRC/CTU/MIX/DVC/CMD/AudioDMAC/AudioDMACpp).
SSI/SRC/CTU/MIX/DVC are implemented as module.
SSI parent, SSIU are implemented as part of SSI
CMD is implemented as part of CTU/MIX/DVC
AudioDMAC/AudioDMACpp are implemented as part of SSI/SRC
It is nice sense that these all devices are implemented as mod.

This patch makes DMA mod bse common method

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto
2015-10-26 08:43:01 +00:00
committed by Mark Brown
orang tua 76c80b5b3f
melakukan 497debaa80
4 mengubah file dengan 71 tambahan dan 176 penghapusan
Download Patch File Download Diff File Expand all files Collapse all files

154
sound/soc/sh/rcar/dma.c
Melihat File

@@ -33,9 +33,7 @@ struct rsnd_dmapp {
};
struct rsnd_dma {
struct rsnd_dma_ops *ops;
struct rsnd_mod mod;
struct rsnd_mod *user_mod;
dma_addr_t src_addr;
dma_addr_t dst_addr;
union {
@@ -50,19 +48,6 @@ struct rsnd_dma_ctrl {
int dmapp_num;
};
struct rsnd_dma_ops {
char *name;
void (*start)(struct rsnd_mod *mod,
struct rsnd_dai_stream *io,
struct rsnd_priv *priv);
void (*stop)(struct rsnd_mod *mod,
struct rsnd_dai_stream *io,
struct rsnd_priv *priv);
void (*quit)(struct rsnd_mod *mod,
struct rsnd_dai_stream *io,
struct rsnd_priv *priv);
};
#define rsnd_priv_to_dmac(p) ((struct rsnd_dma_ctrl *)(p)->dma)
#define rsnd_mod_to_dma(_mod) container_of((_mod), struct rsnd_dma, mod)
#define rsnd_dma_to_dmaen(dma) (&(dma)->dma.en)
@@ -107,23 +92,24 @@ static void rsnd_dmaen_complete(void *data)
rsnd_mod_interrupt(mod, __rsnd_dmaen_complete);
}
static void rsnd_dmaen_stop(struct rsnd_mod *mod,
struct rsnd_dai_stream *io,
struct rsnd_priv *priv)
static int rsnd_dmaen_stop(struct rsnd_mod *mod,
struct rsnd_dai_stream *io,
struct rsnd_priv *priv)
{
struct rsnd_dma *dma = rsnd_mod_to_dma(mod);
struct rsnd_dmaen *dmaen = rsnd_dma_to_dmaen(dma);
dmaengine_terminate_all(dmaen->chan);
return 0;
}
static void rsnd_dmaen_start(struct rsnd_mod *mod,
struct rsnd_dai_stream *io,
struct rsnd_priv *priv)
static int rsnd_dmaen_start(struct rsnd_mod *mod,
struct rsnd_dai_stream *io,
struct rsnd_priv *priv)
{
struct rsnd_dma *dma = rsnd_mod_to_dma(mod);
struct rsnd_dmaen *dmaen = rsnd_dma_to_dmaen(dma);
struct rsnd_mod *user_mod = dma->user_mod;
struct snd_pcm_substream *substream = io->substream;
struct device *dev = rsnd_priv_to_dev(priv);
struct dma_async_tx_descriptor *desc;
@@ -138,18 +124,20 @@ static void rsnd_dmaen_start(struct rsnd_mod *mod,
if (!desc) {
dev_err(dev, "dmaengine_prep_slave_sg() fail\n");
return;
return -EIO;
}
desc->callback = rsnd_dmaen_complete;
desc->callback_param = user_mod;
desc->callback_param = rsnd_mod_get(dma);
if (dmaengine_submit(desc) < 0) {
dev_err(dev, "dmaengine_submit() fail\n");
return;
return -EIO;
}
dma_async_issue_pending(dmaen->chan);
return 0;
}
struct dma_chan *rsnd_dma_request_channel(struct device_node *of_node,
@@ -187,10 +175,26 @@ static struct dma_chan *rsnd_dmaen_request_channel(struct rsnd_dai_stream *io,
return rsnd_mod_dma_req(io, mod_to);
}
static int rsnd_dmaen_remove(struct rsnd_mod *mod,
struct rsnd_dai_stream *io,
struct rsnd_priv *priv)
{
struct rsnd_dma *dma = rsnd_mod_to_dma(mod);
struct rsnd_dmaen *dmaen = rsnd_dma_to_dmaen(dma);
if (dmaen->chan)
dma_release_channel(dmaen->chan);
dmaen->chan = NULL;
return 0;
}
static int rsnd_dmaen_attach(struct rsnd_dai_stream *io,
struct rsnd_dma *dma, int id,
struct rsnd_mod *mod_from, struct rsnd_mod *mod_to)
{
struct rsnd_mod *mod = rsnd_mod_get(dma);
struct rsnd_dmaen *dmaen = rsnd_dma_to_dmaen(dma);
struct rsnd_priv *priv = rsnd_io_to_priv(io);
struct rsnd_dma_ctrl *dmac = rsnd_priv_to_dmac(priv);
@@ -227,8 +231,8 @@ static int rsnd_dmaen_attach(struct rsnd_dai_stream *io,
cfg.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
cfg.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
dev_dbg(dev, "%s %pad -> %pad\n",
dma->ops->name,
dev_dbg(dev, "%s[%d] %pad -> %pad\n",
rsnd_mod_name(mod), rsnd_mod_id(mod),
&cfg.src_addr, &cfg.dst_addr);
ret = dmaengine_slave_config(dmaen->chan, &cfg);
@@ -240,7 +244,7 @@ static int rsnd_dmaen_attach(struct rsnd_dai_stream *io,
return 0;
rsnd_dma_attach_err:
rsnd_dma_quit(rsnd_mod_get(dma), io, priv);
rsnd_dmaen_remove(mod, io, priv);
rsnd_dma_channel_err:
/*
@@ -252,24 +256,11 @@ rsnd_dma_channel_err:
return -EAGAIN;
}
static void rsnd_dmaen_quit(struct rsnd_mod *mod,
struct rsnd_dai_stream *io,
struct rsnd_priv *priv)
{
struct rsnd_dma *dma = rsnd_mod_to_dma(mod);
struct rsnd_dmaen *dmaen = rsnd_dma_to_dmaen(dma);
if (dmaen->chan)
dma_release_channel(dmaen->chan);
dmaen->chan = NULL;
}
static struct rsnd_dma_ops rsnd_dmaen_ops = {
static struct rsnd_mod_ops rsnd_dmaen_ops = {
.name = "audmac",
.start = rsnd_dmaen_start,
.stop = rsnd_dmaen_stop,
.quit = rsnd_dmaen_quit,
.remove = rsnd_dmaen_remove,
};
/*
@@ -366,9 +357,9 @@ static u32 rsnd_dmapp_read(struct rsnd_dma *dma, u32 reg)
return ioread32(rsnd_dmapp_addr(dmac, dma, reg));
}
static void rsnd_dmapp_stop(struct rsnd_mod *mod,
struct rsnd_dai_stream *io,
struct rsnd_priv *priv)
static int rsnd_dmapp_stop(struct rsnd_mod *mod,
struct rsnd_dai_stream *io,
struct rsnd_priv *priv)
{
struct rsnd_dma *dma = rsnd_mod_to_dma(mod);
int i;
@@ -377,14 +368,16 @@ static void rsnd_dmapp_stop(struct rsnd_mod *mod,
for (i = 0; i < 1024; i++) {
if (0 == rsnd_dmapp_read(dma, PDMACHCR))
return;
return -EIO;
udelay(1);
}
return 0;
}
static void rsnd_dmapp_start(struct rsnd_mod *mod,
struct rsnd_dai_stream *io,
struct rsnd_priv *priv)
static int rsnd_dmapp_start(struct rsnd_mod *mod,
struct rsnd_dai_stream *io,
struct rsnd_priv *priv)
{
struct rsnd_dma *dma = rsnd_mod_to_dma(mod);
struct rsnd_dmapp *dmapp = rsnd_dma_to_dmapp(dma);
@@ -392,6 +385,8 @@ static void rsnd_dmapp_start(struct rsnd_mod *mod,
rsnd_dmapp_write(dma, dma->src_addr, PDMASAR);
rsnd_dmapp_write(dma, dma->dst_addr, PDMADAR);
rsnd_dmapp_write(dma, dmapp->chcr, PDMACHCR);
return 0;
}
static int rsnd_dmapp_attach(struct rsnd_dai_stream *io,
@@ -414,7 +409,7 @@ static int rsnd_dmapp_attach(struct rsnd_dai_stream *io,
return 0;
}
static struct rsnd_dma_ops rsnd_dmapp_ops = {
static struct rsnd_mod_ops rsnd_dmapp_ops = {
.name = "audmac-pp",
.start = rsnd_dmapp_start,
.stop = rsnd_dmapp_stop,
@@ -627,41 +622,6 @@ static void rsnd_dma_of_path(struct rsnd_mod *this,
}
}
void rsnd_dma_stop(struct rsnd_mod *mod,
struct rsnd_dai_stream *io,
struct rsnd_priv *priv)
{
struct rsnd_dma *dma = rsnd_mod_to_dma(mod);
dma->ops->stop(mod, io, priv);
}
void rsnd_dma_start(struct rsnd_mod *mod,
struct rsnd_dai_stream *io,
struct rsnd_priv *priv)
{
struct rsnd_dma *dma = rsnd_mod_to_dma(mod);
dma->ops->start(mod, io, priv);
}
void rsnd_dma_quit(struct rsnd_mod *mod,
struct rsnd_dai_stream *io,
struct rsnd_priv *priv)
{
struct rsnd_dma *dma = rsnd_mod_to_dma(mod);
struct rsnd_dma_ctrl *dmac = rsnd_priv_to_dmac(priv);
if (!dmac)
return;
dma->ops->quit(mod, io, priv);
}
static struct rsnd_mod_ops rsnd_dma_ops = {
};
struct rsnd_mod *rsnd_dma_attach(struct rsnd_dai_stream *io,
struct rsnd_mod *mod, int id)
{
@@ -672,6 +632,8 @@ struct rsnd_mod *rsnd_dma_attach(struct rsnd_dai_stream *io,
struct rsnd_dma_ctrl *dmac = rsnd_priv_to_dmac(priv);
struct rsnd_dma *dma;
struct device *dev = rsnd_priv_to_dev(priv);
struct rsnd_mod_ops *ops;
enum rsnd_mod_type type;
int (*attach)(struct rsnd_dai_stream *io, struct rsnd_dma *dma, int id,
struct rsnd_mod *mod_from, struct rsnd_mod *mod_to);
int is_play = rsnd_io_is_play(io);
@@ -692,37 +654,39 @@ struct rsnd_mod *rsnd_dma_attach(struct rsnd_dai_stream *io,
rsnd_dma_of_path(mod, io, is_play, &mod_from, &mod_to);
dma->user_mod = mod;
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) {
dma->ops = &rsnd_dmapp_ops;
ops = &rsnd_dmapp_ops;
attach = rsnd_dmapp_attach;
dma_id = dmac->dmapp_num;
type = RSND_MOD_AUDMAPP;
} else {
dma->ops = &rsnd_dmaen_ops;
ops = &rsnd_dmaen_ops;
attach = rsnd_dmaen_attach;
dma_id = dmac->dmaen_num;
type = RSND_MOD_AUDMA;
}
/* for Gen1, overwrite */
if (rsnd_is_gen1(priv)) {
dma->ops = &rsnd_dmaen_ops;
ops = &rsnd_dmaen_ops;
attach = rsnd_dmaen_attach;
dma_id = dmac->dmaen_num;
type = RSND_MOD_AUDMA;
}
dma_mod = rsnd_mod_get(dma);
dev_dbg(dev, "%s %s[%d] -> %s[%d]\n",
dma->ops->name,
dev_dbg(dev, "%s[%d] %s[%d] -> %s[%d]\n",
rsnd_mod_name(dma_mod), rsnd_mod_id(dma_mod),
rsnd_mod_name(mod_from), rsnd_mod_id(mod_from),
rsnd_mod_name(mod_to), rsnd_mod_id(mod_to));
ret = rsnd_mod_init(priv, dma_mod,
&rsnd_dma_ops, NULL, 0, dma_id);
ops, NULL, type, dma_id);
if (ret < 0)
return ERR_PTR(ret);
@@ -730,6 +694,10 @@ struct rsnd_mod *rsnd_dma_attach(struct rsnd_dai_stream *io,
if (ret < 0)
return ERR_PTR(ret);
ret = rsnd_dai_connect(dma_mod, io, type);
if (ret < 0)
return ERR_PTR(ret);
return rsnd_mod_get(dma);
}