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ASoC: rsnd: add common interrupt handler for SSI/SRC/DMA

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Each Renesas sound mod (= SSI/SRC/DVC) might be called from many paths
if it supports MIXer. In such case, mod <-> io is no longer 1:1
relationship. Then, interrupt handler can't use rsnd_mod_to_io().
This patch adds SSI/SRC/DMA common interrupt handler frame

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Keita Kobayashi <keita.kobayashi.ym@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto 2015-06-15 06:25:48 +00:00 committed by Mark Brown
parent 2c0fac19de
commit f501b7a4e7
2 changed files with 26 additions and 0 deletions
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23
sound/soc/sh/rcar/core.c
View File

@ -172,6 +172,29 @@ void rsnd_mod_quit(struct rsnd_mod *mod)
clk_unprepare(mod->clk);
}
void rsnd_mod_interrupt(struct rsnd_mod *mod,
void (*callback)(struct rsnd_mod *mod,
struct rsnd_dai_stream *io))
{
struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
struct rsnd_dai_stream *io;
struct rsnd_dai *rdai;
int i, j;
for_each_rsnd_dai(rdai, priv, j) {
for (i = 0; i < RSND_MOD_MAX; i++) {
io = &rdai->playback;
if (mod == io->mod[i])
callback(mod, io);
io = &rdai->capture;
if (mod == io->mod[i])
callback(mod, io);
}
}
}
int rsnd_mod_is_working(struct rsnd_mod *mod)
{
struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);

3
sound/soc/sh/rcar/rsnd.h
View File

@ -327,6 +327,9 @@ void rsnd_mod_quit(struct rsnd_mod *mod);
char *rsnd_mod_name(struct rsnd_mod *mod);
int rsnd_mod_is_working(struct rsnd_mod *mod);
struct dma_chan *rsnd_mod_dma_req(struct rsnd_mod *mod);
void rsnd_mod_interrupt(struct rsnd_mod *mod,
void (*callback)(struct rsnd_mod *mod,
struct rsnd_dai_stream *io));
/*
* R-Car sound DAI