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Diffstat (limited to 'sound/soc/sh/rcar/ssi.c')
-rw-r--r--sound/soc/sh/rcar/ssi.c113
1 files changed, 37 insertions, 76 deletions
diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c
index 1d8387c25bd8..2df723df5d19 100644
--- a/sound/soc/sh/rcar/ssi.c
+++ b/sound/soc/sh/rcar/ssi.c
@@ -57,6 +57,8 @@
*/
#define CONT (1 << 8) /* WS Continue Function */
+#define SSI_NAME "ssi"
+
struct rsnd_ssi {
struct clk *clk;
struct rsnd_ssi_platform_info *info; /* rcar_snd.h */
@@ -240,10 +242,10 @@ static void rsnd_ssi_hw_stop(struct rsnd_ssi *ssi,
* SSI mod common functions
*/
static int rsnd_ssi_init(struct rsnd_mod *mod,
- struct rsnd_dai *rdai,
- struct rsnd_dai_stream *io)
+ struct rsnd_dai *rdai)
{
struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
+ struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
u32 cr;
@@ -287,14 +289,13 @@ static int rsnd_ssi_init(struct rsnd_mod *mod,
ssi->cr_own = cr;
ssi->err = -1; /* ignore 1st error */
- rsnd_src_ssi_mode_init(mod, rdai, io);
+ rsnd_src_ssi_mode_init(mod, rdai);
return 0;
}
static int rsnd_ssi_quit(struct rsnd_mod *mod,
- struct rsnd_dai *rdai,
- struct rsnd_dai_stream *io)
+ struct rsnd_dai *rdai)
{
struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
@@ -359,8 +360,7 @@ static irqreturn_t rsnd_ssi_pio_interrupt(int irq, void *data)
}
static int rsnd_ssi_pio_probe(struct rsnd_mod *mod,
- struct rsnd_dai *rdai,
- struct rsnd_dai_stream *io)
+ struct rsnd_dai *rdai)
{
struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
struct device *dev = rsnd_priv_to_dev(priv);
@@ -375,19 +375,21 @@ static int rsnd_ssi_pio_probe(struct rsnd_mod *mod,
if (ret)
dev_err(dev, "SSI request interrupt failed\n");
+ dev_dbg(dev, "%s (PIO) is probed\n", rsnd_mod_name(mod));
+
return ret;
}
static int rsnd_ssi_pio_start(struct rsnd_mod *mod,
- struct rsnd_dai *rdai,
- struct rsnd_dai_stream *io)
+ struct rsnd_dai *rdai)
{
struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
+ struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
/* enable PIO IRQ */
ssi->cr_etc = UIEN | OIEN | DIEN;
- rsnd_src_enable_ssi_irq(mod, rdai, io);
+ rsnd_src_enable_ssi_irq(mod, rdai);
rsnd_ssi_hw_start(ssi, rdai, io);
@@ -395,8 +397,7 @@ static int rsnd_ssi_pio_start(struct rsnd_mod *mod,
}
static int rsnd_ssi_pio_stop(struct rsnd_mod *mod,
- struct rsnd_dai *rdai,
- struct rsnd_dai_stream *io)
+ struct rsnd_dai *rdai)
{
struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
@@ -408,7 +409,7 @@ static int rsnd_ssi_pio_stop(struct rsnd_mod *mod,
}
static struct rsnd_mod_ops rsnd_ssi_pio_ops = {
- .name = "ssi (pio)",
+ .name = SSI_NAME,
.probe = rsnd_ssi_pio_probe,
.init = rsnd_ssi_init,
.quit = rsnd_ssi_quit,
@@ -417,36 +418,29 @@ static struct rsnd_mod_ops rsnd_ssi_pio_ops = {
};
static int rsnd_ssi_dma_probe(struct rsnd_mod *mod,
- struct rsnd_dai *rdai,
- struct rsnd_dai_stream *io)
+ struct rsnd_dai *rdai)
{
struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
- struct rcar_snd_info *info = rsnd_priv_to_info(priv);
struct device *dev = rsnd_priv_to_dev(priv);
int dma_id = ssi->info->dma_id;
- int is_play;
int ret;
- if (info->dai_info)
- is_play = rsnd_info_is_playback(priv, ssi);
- else
- is_play = rsnd_ssi_is_play(&ssi->mod);
-
ret = rsnd_dma_init(
priv, rsnd_mod_to_dma(mod),
- is_play,
+ rsnd_info_is_playback(priv, ssi),
dma_id);
if (ret < 0)
dev_err(dev, "SSI DMA failed\n");
+ dev_dbg(dev, "%s (DMA) is probed\n", rsnd_mod_name(mod));
+
return ret;
}
static int rsnd_ssi_dma_remove(struct rsnd_mod *mod,
- struct rsnd_dai *rdai,
- struct rsnd_dai_stream *io)
+ struct rsnd_dai *rdai)
{
rsnd_dma_quit(rsnd_mod_to_priv(mod), rsnd_mod_to_dma(mod));
@@ -454,11 +448,11 @@ static int rsnd_ssi_dma_remove(struct rsnd_mod *mod,
}
static int rsnd_ssi_dma_start(struct rsnd_mod *mod,
- struct rsnd_dai *rdai,
- struct rsnd_dai_stream *io)
+ struct rsnd_dai *rdai)
{
struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
struct rsnd_dma *dma = rsnd_mod_to_dma(&ssi->mod);
+ struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
/* enable DMA transfer */
ssi->cr_etc = DMEN;
@@ -475,8 +469,7 @@ static int rsnd_ssi_dma_start(struct rsnd_mod *mod,
}
static int rsnd_ssi_dma_stop(struct rsnd_mod *mod,
- struct rsnd_dai *rdai,
- struct rsnd_dai_stream *io)
+ struct rsnd_dai *rdai)
{
struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
struct rsnd_dma *dma = rsnd_mod_to_dma(&ssi->mod);
@@ -493,7 +486,7 @@ static int rsnd_ssi_dma_stop(struct rsnd_mod *mod,
}
static struct rsnd_mod_ops rsnd_ssi_dma_ops = {
- .name = "ssi (dma)",
+ .name = SSI_NAME,
.probe = rsnd_ssi_dma_probe,
.remove = rsnd_ssi_dma_remove,
.init = rsnd_ssi_init,
@@ -506,47 +499,12 @@ static struct rsnd_mod_ops rsnd_ssi_dma_ops = {
* Non SSI
*/
static struct rsnd_mod_ops rsnd_ssi_non_ops = {
- .name = "ssi (non)",
+ .name = SSI_NAME,
};
/*
* ssi mod function
*/
-struct rsnd_mod *rsnd_ssi_mod_get_frm_dai(struct rsnd_priv *priv,
- int dai_id, int is_play)
-{
- struct rsnd_dai_platform_info *dai_info = NULL;
- struct rsnd_dai_path_info *path_info = NULL;
- struct rsnd_ssi_platform_info *target_info = NULL;
- struct rsnd_ssi *ssi;
- int i, has_play;
-
- if (priv->rdai)
- dai_info = priv->rdai[dai_id].info;
- if (dai_info)
- path_info = (is_play) ? &dai_info->playback : &dai_info->capture;
- if (path_info)
- target_info = path_info->ssi;
-
- is_play = !!is_play;
-
- for_each_rsnd_ssi(ssi, priv, i) {
- if (target_info == ssi->info)
- return &ssi->mod;
-
- /* for compatible */
- if (rsnd_ssi_dai_id(ssi) != dai_id)
- continue;
-
- has_play = rsnd_ssi_is_play(&ssi->mod);
-
- if (is_play == has_play)
- return &ssi->mod;
- }
-
- return NULL;
-}
-
struct rsnd_mod *rsnd_ssi_mod_get(struct rsnd_priv *priv, int id)
{
if (WARN_ON(id < 0 || id >= rsnd_ssi_nr(priv)))
@@ -562,13 +520,6 @@ int rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod)
return !!(rsnd_ssi_mode_flags(ssi) & RSND_SSI_CLK_PIN_SHARE);
}
-int rsnd_ssi_is_play(struct rsnd_mod *mod)
-{
- struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
-
- return !!(rsnd_ssi_mode_flags(ssi) & RSND_SSI_PLAY);
-}
-
static void rsnd_ssi_parent_clk_setup(struct rsnd_priv *priv, struct rsnd_ssi *ssi)
{
if (!rsnd_ssi_is_pin_sharing(&ssi->mod))
@@ -609,14 +560,14 @@ static void rsnd_of_parse_ssi(struct platform_device *pdev,
nr = of_get_child_count(node);
if (!nr)
- return;
+ goto rsnd_of_parse_ssi_end;
ssi_info = devm_kzalloc(dev,
sizeof(struct rsnd_ssi_platform_info) * nr,
GFP_KERNEL);
if (!ssi_info) {
dev_err(dev, "ssi info allocation error\n");
- return;
+ goto rsnd_of_parse_ssi_end;
}
info->ssi_info = ssi_info;
@@ -638,7 +589,16 @@ static void rsnd_of_parse_ssi(struct platform_device *pdev,
* irq
*/
ssi_info->pio_irq = irq_of_parse_and_map(np, 0);
+
+ /*
+ * DMA
+ */
+ ssi_info->dma_id = of_get_property(np, "pio-transfer", NULL) ?
+ 0 : 1;
}
+
+rsnd_of_parse_ssi_end:
+ of_node_put(node);
}
int rsnd_ssi_probe(struct platform_device *pdev,
@@ -672,7 +632,8 @@ int rsnd_ssi_probe(struct platform_device *pdev,
for_each_rsnd_ssi(ssi, priv, i) {
pinfo = &info->ssi_info[i];
- snprintf(name, RSND_SSI_NAME_SIZE, "ssi.%d", i);
+ snprintf(name, RSND_SSI_NAME_SIZE, "%s.%d",
+ SSI_NAME, i);
clk = devm_clk_get(dev, name);
if (IS_ERR(clk))