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Diffstat (limited to 'sound/soc/sh/rcar/src.c')
-rw-r--r--sound/soc/sh/rcar/src.c101
1 files changed, 60 insertions, 41 deletions
diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c
index 9183e0145503..eede3ac6eed2 100644
--- a/sound/soc/sh/rcar/src.c
+++ b/sound/soc/sh/rcar/src.c
@@ -175,30 +175,47 @@ int rsnd_src_ssiu_start(struct rsnd_mod *ssi_mod,
}
int rsnd_src_ssiu_stop(struct rsnd_mod *ssi_mod,
- struct rsnd_dai *rdai,
- int use_busif)
+ struct rsnd_dai *rdai)
{
/*
* DMA settings for SSIU
*/
- if (use_busif)
- rsnd_mod_write(ssi_mod, SSI_CTRL, 0);
+ rsnd_mod_write(ssi_mod, SSI_CTRL, 0);
return 0;
}
-int rsnd_src_enable_ssi_irq(struct rsnd_mod *ssi_mod,
+int rsnd_src_ssi_irq_enable(struct rsnd_mod *ssi_mod,
struct rsnd_dai *rdai)
{
struct rsnd_priv *priv = rsnd_mod_to_priv(ssi_mod);
- /* enable PIO interrupt if Gen2 */
- if (rsnd_is_gen2(priv))
+ if (rsnd_is_gen1(priv))
+ return 0;
+
+ /* enable SSI interrupt if Gen2 */
+ if (rsnd_ssi_is_dma_mode(ssi_mod))
+ rsnd_mod_write(ssi_mod, INT_ENABLE, 0x0e000000);
+ else
rsnd_mod_write(ssi_mod, INT_ENABLE, 0x0f000000);
return 0;
}
+int rsnd_src_ssi_irq_disable(struct rsnd_mod *ssi_mod,
+ struct rsnd_dai *rdai)
+{
+ struct rsnd_priv *priv = rsnd_mod_to_priv(ssi_mod);
+
+ if (rsnd_is_gen1(priv))
+ return 0;
+
+ /* disable SSI interrupt if Gen2 */
+ rsnd_mod_write(ssi_mod, INT_ENABLE, 0x00000000);
+
+ return 0;
+}
+
unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv *priv,
struct rsnd_dai_stream *io,
struct snd_pcm_runtime *runtime)
@@ -239,12 +256,6 @@ static int rsnd_src_set_convert_rate(struct rsnd_mod *mod,
rsnd_mod_write(mod, SRC_SWRSR, 0);
rsnd_mod_write(mod, SRC_SWRSR, 1);
- /*
- * Initialize the operation of the SRC internal circuits
- * see rsnd_src_start()
- */
- rsnd_mod_write(mod, SRC_SRCIR, 1);
-
/* Set channel number and output bit length */
rsnd_mod_write(mod, SRC_ADINR, rsnd_get_adinr(mod));
@@ -269,6 +280,12 @@ static int rsnd_src_init(struct rsnd_mod *mod,
clk_prepare_enable(src->clk);
+ /*
+ * Initialize the operation of the SRC internal circuits
+ * see rsnd_src_start()
+ */
+ rsnd_mod_write(mod, SRC_SRCIR, 1);
+
return 0;
}
@@ -282,32 +299,20 @@ static int rsnd_src_quit(struct rsnd_mod *mod,
return 0;
}
-static int rsnd_src_start(struct rsnd_mod *mod,
- struct rsnd_dai *rdai)
+static int rsnd_src_start(struct rsnd_mod *mod)
{
- struct rsnd_src *src = rsnd_mod_to_src(mod);
-
/*
* Cancel the initialization and operate the SRC function
- * see rsnd_src_set_convert_rate()
+ * see rsnd_src_init()
*/
rsnd_mod_write(mod, SRC_SRCIR, 0);
- if (rsnd_src_convert_rate(src))
- rsnd_mod_write(mod, SRC_ROUTE_MODE0, 1);
-
return 0;
}
-
-static int rsnd_src_stop(struct rsnd_mod *mod,
- struct rsnd_dai *rdai)
+static int rsnd_src_stop(struct rsnd_mod *mod)
{
- struct rsnd_src *src = rsnd_mod_to_src(mod);
-
- if (rsnd_src_convert_rate(src))
- rsnd_mod_write(mod, SRC_ROUTE_MODE0, 0);
-
+ /* nothing to do */
return 0;
}
@@ -414,6 +419,7 @@ static int rsnd_src_set_convert_timing_gen1(struct rsnd_mod *mod,
static int rsnd_src_set_convert_rate_gen1(struct rsnd_mod *mod,
struct rsnd_dai *rdai)
{
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
int ret;
ret = rsnd_src_set_convert_rate(mod, rdai);
@@ -427,6 +433,10 @@ static int rsnd_src_set_convert_rate_gen1(struct rsnd_mod *mod,
rsnd_mod_write(mod, SRC_MNFSR,
rsnd_mod_read(mod, SRC_IFSVR) / 100 * 98);
+ /* Gen1/Gen2 are not compatible */
+ if (rsnd_src_convert_rate(src))
+ rsnd_mod_write(mod, SRC_ROUTE_MODE0, 1);
+
/* no SRC_BFSSR settings, since SRC_SRCCR::BUFMD is 0 */
return 0;
@@ -438,7 +448,8 @@ static int rsnd_src_probe_gen1(struct rsnd_mod *mod,
struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
struct device *dev = rsnd_priv_to_dev(priv);
- dev_dbg(dev, "%s (Gen1) is probed\n", rsnd_mod_name(mod));
+ dev_dbg(dev, "%s[%d] (Gen1) is probed\n",
+ rsnd_mod_name(mod), rsnd_mod_id(mod));
return 0;
}
@@ -474,7 +485,7 @@ static int rsnd_src_start_gen1(struct rsnd_mod *mod,
rsnd_mod_bset(mod, SRC_ROUTE_CTRL, (1 << id), (1 << id));
- return rsnd_src_start(mod, rdai);
+ return rsnd_src_start(mod);
}
static int rsnd_src_stop_gen1(struct rsnd_mod *mod,
@@ -484,7 +495,7 @@ static int rsnd_src_stop_gen1(struct rsnd_mod *mod,
rsnd_mod_bset(mod, SRC_ROUTE_CTRL, (1 << id), 0);
- return rsnd_src_stop(mod, rdai);
+ return rsnd_src_stop(mod);
}
static struct rsnd_mod_ops rsnd_src_gen1_ops = {
@@ -507,16 +518,17 @@ static int rsnd_src_set_convert_rate_gen2(struct rsnd_mod *mod,
struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
struct rsnd_src *src = rsnd_mod_to_src(mod);
+ u32 convert_rate = rsnd_src_convert_rate(src);
uint ratio;
int ret;
/* 6 - 1/6 are very enough ratio for SRC_BSDSR */
- if (!rsnd_src_convert_rate(src))
+ if (!convert_rate)
ratio = 0;
- else if (rsnd_src_convert_rate(src) > runtime->rate)
- ratio = 100 * rsnd_src_convert_rate(src) / runtime->rate;
+ else if (convert_rate > runtime->rate)
+ ratio = 100 * convert_rate / runtime->rate;
else
- ratio = 100 * runtime->rate / rsnd_src_convert_rate(src);
+ ratio = 100 * runtime->rate / convert_rate;
if (ratio > 600) {
dev_err(dev, "FSO/FSI ratio error\n");
@@ -529,6 +541,11 @@ static int rsnd_src_set_convert_rate_gen2(struct rsnd_mod *mod,
rsnd_mod_write(mod, SRC_SRCCR, 0x00011110);
+ if (convert_rate) {
+ /* Gen1/Gen2 are not compatible */
+ rsnd_mod_write(mod, SRC_ROUTE_MODE0, 1);
+ }
+
switch (rsnd_mod_id(mod)) {
case 5:
case 6:
@@ -578,9 +595,11 @@ static int rsnd_src_probe_gen2(struct rsnd_mod *mod,
rsnd_info_is_playback(priv, src),
src->info->dma_id);
if (ret < 0)
- dev_err(dev, "SRC DMA failed\n");
-
- dev_dbg(dev, "%s (Gen2) is probed\n", rsnd_mod_name(mod));
+ dev_err(dev, "%s[%d] (Gen2) failed\n",
+ rsnd_mod_name(mod), rsnd_mod_id(mod));
+ else
+ dev_dbg(dev, "%s[%d] (Gen2) is probed\n",
+ rsnd_mod_name(mod), rsnd_mod_id(mod));
return ret;
}
@@ -624,7 +643,7 @@ static int rsnd_src_start_gen2(struct rsnd_mod *mod,
rsnd_mod_write(mod, SRC_CTRL, val);
- return rsnd_src_start(mod, rdai);
+ return rsnd_src_start(mod);
}
static int rsnd_src_stop_gen2(struct rsnd_mod *mod,
@@ -636,7 +655,7 @@ static int rsnd_src_stop_gen2(struct rsnd_mod *mod,
rsnd_dma_stop(rsnd_mod_to_dma(&src->mod));
- return rsnd_src_stop(mod, rdai);
+ return rsnd_src_stop(mod);
}
static struct rsnd_mod_ops rsnd_src_gen2_ops = {
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.