/*
* SSI PIO
*/
static void rsnd_ssi_parent_attach(struct rsnd_mod *mod,
struct rsnd_dai_stream *io)
{
struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
if (!__rsnd_ssi_is_pin_sharing(mod))
return;
if (!rsnd_rdai_is_clk_master(rdai))
return;
switch (rsnd_mod_id(mod)) {
case 1:
case 2:
rsnd_dai_connect(rsnd_ssi_mod_get(priv, 0), io, RSND_MOD_SSIP);
break;
case 4:
rsnd_dai_connect(rsnd_ssi_mod_get(priv, 3), io, RSND_MOD_SSIP);
break;
case 8:
rsnd_dai_connect(rsnd_ssi_mod_get(priv, 7), io, RSND_MOD_SSIP);
break;
}
}
static int rsnd_src_probe_gen2(struct rsnd_mod *mod,
struct rsnd_dai *rdai,
struct rsnd_dai_stream *io)
{
struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
struct rcar_snd_info *info = rsnd_priv_to_info(priv);
struct rsnd_src *src = rsnd_mod_to_src(mod);
struct rsnd_mod *ssi = rsnd_ssi_mod_get(priv, rsnd_mod_id(mod));
struct device *dev = rsnd_priv_to_dev(priv);
int ret;
int is_play;
if (info->dai_info)
is_play = rsnd_info_is_playback(priv, src);
else
is_play = rsnd_ssi_is_play(ssi);
ret = rsnd_dma_init(priv,
rsnd_mod_to_dma(mod),
is_play,
src->info->dma_id);
if (ret < 0)
dev_err(dev, "SRC DMA failed\n");
return ret;
}
static void rsnd_ssi_parent_clk_setup(struct rsnd_priv *priv, struct rsnd_ssi *ssi)
{
if (!rsnd_ssi_is_pin_sharing(&ssi->mod))
return;
switch (rsnd_mod_id(&ssi->mod)) {
case 1:
case 2:
ssi->parent = rsnd_mod_to_ssi(rsnd_ssi_mod_get(priv, 0));
break;
case 4:
ssi->parent = rsnd_mod_to_ssi(rsnd_ssi_mod_get(priv, 3));
break;
case 8:
ssi->parent = rsnd_mod_to_ssi(rsnd_ssi_mod_get(priv, 7));
break;
}
}
/*
* Gen1
*/
static int rsnd_gen1_path_init(struct rsnd_priv *priv,
struct rsnd_dai *rdai,
struct rsnd_dai_stream *io)
{
struct rsnd_mod *mod;
int ret;
int id;
/*
* Gen1 is created by SRU/SSI, and this SRU is base module of
* Gen2's SCU/SSIU/SSI. (Gen2 SCU/SSIU came from SRU)
*
* Easy image is..
* Gen1 SRU = Gen2 SCU + SSIU + etc
*
* Gen2 SCU path is very flexible, but, Gen1 SRU (SCU parts) is
* using fixed path.
*
* Then, SSI id = SCU id here
*/
/* get SSI's ID */
mod = rsnd_ssi_mod_get_frm_dai(priv,
rsnd_dai_id(priv, rdai),
rsnd_dai_is_play(rdai, io));
id = rsnd_mod_id(mod);
/* SSI */
mod = rsnd_ssi_mod_get(priv, id);
ret = rsnd_dai_connect(rdai, mod, io);
if (ret < 0)
return ret;
/* SCU */
mod = rsnd_scu_mod_get(priv, id);
ret = rsnd_dai_connect(rdai, mod, io);
return ret;
}
void rsnd_parse_connect_ssi(struct rsnd_dai *rdai,
struct device_node *playback,
struct device_node *capture)
{
struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai);
struct device_node *node;
struct device_node *np;
struct rsnd_mod *mod;
int i;
node = rsnd_ssi_of_node(priv);
if (!node)
return;
i = 0;
for_each_child_of_node(node, np) {
mod = rsnd_ssi_mod_get(priv, i);
if (np == playback)
rsnd_ssi_connect(mod, &rdai->playback);
if (np == capture)
rsnd_ssi_connect(mod, &rdai->capture);
i++;
}
