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Diffstat (limited to 'sound/soc/sh/rcar/ssi.c')
-rw-r--r--sound/soc/sh/rcar/ssi.c100
1 files changed, 45 insertions, 55 deletions
diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c
index 3844fbef466..9e7b627c08e 100644
--- a/sound/soc/sh/rcar/ssi.c
+++ b/sound/soc/sh/rcar/ssi.c
@@ -60,17 +60,14 @@
#define SSI_NAME "ssi"
struct rsnd_ssi {
- struct clk *clk;
struct rsnd_ssi_platform_info *info; /* rcar_snd.h */
struct rsnd_ssi *parent;
struct rsnd_mod mod;
- struct rsnd_dai *rdai;
u32 cr_own;
u32 cr_clk;
int err;
unsigned int usrcnt;
- unsigned int rate;
};
#define for_each_rsnd_ssi(pos, priv, i) \
@@ -128,7 +125,7 @@ static void rsnd_ssi_status_check(struct rsnd_mod *mod,
static int rsnd_ssi_master_clk_start(struct rsnd_ssi *ssi,
struct rsnd_dai_stream *io)
{
- struct rsnd_priv *priv = rsnd_mod_to_priv(&ssi->mod);
+ struct rsnd_priv *priv = rsnd_io_to_priv(io);
struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
struct device *dev = rsnd_priv_to_dev(priv);
int i, j, ret;
@@ -157,7 +154,6 @@ static int rsnd_ssi_master_clk_start(struct rsnd_ssi *ssi,
ret = rsnd_adg_ssi_clk_try_start(&ssi->mod, main_rate);
if (0 == ret) {
- ssi->rate = rate;
ssi->cr_clk = FORCE | SWL_32 |
SCKD | SWSD | CKDV(j);
@@ -176,26 +172,25 @@ static int rsnd_ssi_master_clk_start(struct rsnd_ssi *ssi,
static void rsnd_ssi_master_clk_stop(struct rsnd_ssi *ssi)
{
- ssi->rate = 0;
ssi->cr_clk = 0;
rsnd_adg_ssi_clk_stop(&ssi->mod);
}
static void rsnd_ssi_hw_start(struct rsnd_ssi *ssi,
- struct rsnd_dai *rdai,
struct rsnd_dai_stream *io)
{
- struct rsnd_priv *priv = rsnd_mod_to_priv(&ssi->mod);
+ struct rsnd_priv *priv = rsnd_io_to_priv(io);
+ struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
struct device *dev = rsnd_priv_to_dev(priv);
u32 cr_mode;
u32 cr;
if (0 == ssi->usrcnt) {
- clk_prepare_enable(ssi->clk);
+ rsnd_mod_hw_start(&ssi->mod);
- if (rsnd_dai_is_clk_master(rdai)) {
+ if (rsnd_rdai_is_clk_master(rdai)) {
if (rsnd_ssi_clk_from_parent(ssi))
- rsnd_ssi_hw_start(ssi->parent, rdai, io);
+ rsnd_ssi_hw_start(ssi->parent, io);
else
rsnd_ssi_master_clk_start(ssi, io);
}
@@ -214,7 +209,7 @@ static void rsnd_ssi_hw_start(struct rsnd_ssi *ssi,
rsnd_mod_write(&ssi->mod, SSICR, cr);
/* enable WS continue */
- if (rsnd_dai_is_clk_master(rdai))
+ if (rsnd_rdai_is_clk_master(rdai))
rsnd_mod_write(&ssi->mod, SSIWSR, CONT);
/* clear error status */
@@ -226,10 +221,11 @@ static void rsnd_ssi_hw_start(struct rsnd_ssi *ssi,
rsnd_mod_name(&ssi->mod), rsnd_mod_id(&ssi->mod));
}
-static void rsnd_ssi_hw_stop(struct rsnd_ssi *ssi,
- struct rsnd_dai *rdai)
+static void rsnd_ssi_hw_stop(struct rsnd_ssi *ssi)
{
struct rsnd_priv *priv = rsnd_mod_to_priv(&ssi->mod);
+ struct rsnd_dai_stream *io = rsnd_mod_to_io(&ssi->mod);
+ struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
struct device *dev = rsnd_priv_to_dev(priv);
u32 cr;
@@ -256,14 +252,14 @@ static void rsnd_ssi_hw_stop(struct rsnd_ssi *ssi,
rsnd_mod_write(&ssi->mod, SSICR, cr); /* disabled all */
rsnd_ssi_status_check(&ssi->mod, IIRQ);
- if (rsnd_dai_is_clk_master(rdai)) {
+ if (rsnd_rdai_is_clk_master(rdai)) {
if (rsnd_ssi_clk_from_parent(ssi))
- rsnd_ssi_hw_stop(ssi->parent, rdai);
+ rsnd_ssi_hw_stop(ssi->parent);
else
rsnd_ssi_master_clk_stop(ssi);
}
- clk_disable_unprepare(ssi->clk);
+ rsnd_mod_hw_stop(&ssi->mod);
}
dev_dbg(dev, "%s[%d] hw stopped\n",
@@ -274,10 +270,11 @@ 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_priv *priv)
{
struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
+ struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
u32 cr;
@@ -311,13 +308,12 @@ static int rsnd_ssi_init(struct rsnd_mod *mod,
cr |= SDTA;
if (rdai->sys_delay)
cr |= DEL;
- if (rsnd_dai_is_play(rdai, io))
+ if (rsnd_io_is_play(io))
cr |= TRMD;
/*
* set ssi parameter
*/
- ssi->rdai = rdai;
ssi->cr_own = cr;
ssi->err = -1; /* ignore 1st error */
@@ -325,16 +321,15 @@ static int rsnd_ssi_init(struct rsnd_mod *mod,
}
static int rsnd_ssi_quit(struct rsnd_mod *mod,
- struct rsnd_dai *rdai)
+ struct rsnd_priv *priv)
{
struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
- struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
struct device *dev = rsnd_priv_to_dev(priv);
if (ssi->err > 0)
- dev_warn(dev, "ssi under/over flow err = %d\n", ssi->err);
+ dev_warn(dev, "%s[%d] under/over flow err = %d\n",
+ rsnd_mod_name(mod), rsnd_mod_id(mod), ssi->err);
- ssi->rdai = NULL;
ssi->cr_own = 0;
ssi->err = 0;
@@ -353,32 +348,32 @@ static void rsnd_ssi_record_error(struct rsnd_ssi *ssi, u32 status)
}
static int rsnd_ssi_start(struct rsnd_mod *mod,
- struct rsnd_dai *rdai)
+ struct rsnd_priv *priv)
{
struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
- rsnd_src_ssiu_start(mod, rdai, rsnd_ssi_use_busif(mod));
+ rsnd_src_ssiu_start(mod, rsnd_ssi_use_busif(mod));
- rsnd_ssi_hw_start(ssi, rdai, io);
+ rsnd_ssi_hw_start(ssi, io);
- rsnd_src_ssi_irq_enable(mod, rdai);
+ rsnd_src_ssi_irq_enable(mod);
return 0;
}
static int rsnd_ssi_stop(struct rsnd_mod *mod,
- struct rsnd_dai *rdai)
+ struct rsnd_priv *priv)
{
struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
- rsnd_src_ssi_irq_disable(mod, rdai);
+ rsnd_src_ssi_irq_disable(mod);
rsnd_ssi_record_error(ssi, rsnd_mod_read(mod, SSISR));
- rsnd_ssi_hw_stop(ssi, rdai);
+ rsnd_ssi_hw_stop(ssi);
- rsnd_src_ssiu_stop(mod, rdai);
+ rsnd_src_ssiu_stop(mod);
return 0;
}
@@ -386,16 +381,17 @@ static int rsnd_ssi_stop(struct rsnd_mod *mod,
static irqreturn_t rsnd_ssi_interrupt(int irq, void *data)
{
struct rsnd_ssi *ssi = data;
- struct rsnd_dai *rdai = ssi->rdai;
struct rsnd_mod *mod = &ssi->mod;
+ struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
+ int is_dma = rsnd_ssi_is_dma_mode(mod);
u32 status = rsnd_mod_read(mod, SSISR);
if (!io)
return IRQ_NONE;
/* PIO only */
- if (status & DIRQ) {
+ if (!is_dma && (status & DIRQ)) {
struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
u32 *buf = (u32 *)(runtime->dma_area +
rsnd_dai_pointer_offset(io, 0));
@@ -405,7 +401,7 @@ static irqreturn_t rsnd_ssi_interrupt(int irq, void *data)
* directly as 32bit data
* see rsnd_ssi_init()
*/
- if (rsnd_dai_is_play(rdai, io))
+ if (rsnd_io_is_play(io))
rsnd_mod_write(mod, SSITDR, *buf);
else
*buf = rsnd_mod_read(mod, SSIRDR);
@@ -415,14 +411,13 @@ static irqreturn_t rsnd_ssi_interrupt(int irq, void *data)
/* PIO / DMA */
if (status & (UIRQ | OIRQ)) {
- struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
struct device *dev = rsnd_priv_to_dev(priv);
/*
* restart SSI
*/
- rsnd_ssi_stop(mod, rdai);
- rsnd_ssi_start(mod, rdai);
+ rsnd_ssi_stop(mod, priv);
+ rsnd_ssi_start(mod, priv);
dev_dbg(dev, "%s[%d] restart\n",
rsnd_mod_name(mod), rsnd_mod_id(mod));
@@ -437,9 +432,8 @@ static irqreturn_t rsnd_ssi_interrupt(int irq, void *data)
* SSI PIO
*/
static int rsnd_ssi_pio_probe(struct rsnd_mod *mod,
- struct rsnd_dai *rdai)
+ struct rsnd_priv *priv)
{
- struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
struct device *dev = rsnd_priv_to_dev(priv);
struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
int ret;
@@ -468,9 +462,8 @@ 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_priv *priv)
{
- struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
struct device *dev = rsnd_priv_to_dev(priv);
int dma_id = ssi->info->dma_id;
@@ -503,14 +496,13 @@ rsnd_ssi_dma_probe_fail:
}
static int rsnd_ssi_dma_remove(struct rsnd_mod *mod,
- struct rsnd_dai *rdai)
+ struct rsnd_priv *priv)
{
- struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
struct device *dev = rsnd_priv_to_dev(priv);
int irq = ssi->info->irq;
- rsnd_dma_quit(rsnd_mod_to_priv(mod), rsnd_mod_to_dma(mod));
+ rsnd_dma_quit(priv, rsnd_mod_to_dma(mod));
/* PIO will request IRQ again */
devm_free_irq(dev, irq, ssi);
@@ -519,9 +511,8 @@ static int rsnd_ssi_dma_remove(struct rsnd_mod *mod,
}
static int rsnd_ssi_fallback(struct rsnd_mod *mod,
- struct rsnd_dai *rdai)
+ struct rsnd_priv *priv)
{
- struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
struct device *dev = rsnd_priv_to_dev(priv);
/*
@@ -540,25 +531,25 @@ static int rsnd_ssi_fallback(struct rsnd_mod *mod,
}
static int rsnd_ssi_dma_start(struct rsnd_mod *mod,
- struct rsnd_dai *rdai)
+ struct rsnd_priv *priv)
{
struct rsnd_dma *dma = rsnd_mod_to_dma(mod);
- rsnd_ssi_start(mod, rdai);
-
rsnd_dma_start(dma);
+ rsnd_ssi_start(mod, priv);
+
return 0;
}
static int rsnd_ssi_dma_stop(struct rsnd_mod *mod,
- struct rsnd_dai *rdai)
+ struct rsnd_priv *priv)
{
struct rsnd_dma *dma = rsnd_mod_to_dma(mod);
- rsnd_dma_stop(dma);
+ rsnd_ssi_stop(mod, priv);
- rsnd_ssi_stop(mod, rdai);
+ rsnd_dma_stop(dma);
return 0;
}
@@ -734,7 +725,6 @@ int rsnd_ssi_probe(struct platform_device *pdev,
return PTR_ERR(clk);
ssi->info = pinfo;
- ssi->clk = clk;
ops = &rsnd_ssi_non_ops;
if (pinfo->dma_id > 0)
@@ -742,7 +732,7 @@ int rsnd_ssi_probe(struct platform_device *pdev,
else if (rsnd_ssi_pio_available(ssi))
ops = &rsnd_ssi_pio_ops;
- rsnd_mod_init(priv, &ssi->mod, ops, RSND_MOD_SSI, i);
+ rsnd_mod_init(&ssi->mod, ops, clk, RSND_MOD_SSI, i);
rsnd_ssi_parent_clk_setup(priv, ssi);
}