summaryrefslogtreecommitdiff
path: root/sound/soc/sh/rcar/src.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/sh/rcar/src.c')
-rw-r--r--sound/soc/sh/rcar/src.c117
1 files changed, 65 insertions, 52 deletions
diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c
index c61c17180..89a18e102 100644
--- a/sound/soc/sh/rcar/src.c
+++ b/sound/soc/sh/rcar/src.c
@@ -30,6 +30,7 @@ struct rsnd_src {
#define RSND_SRC_NAME_SIZE 16
+#define rsnd_src_nr(priv) ((priv)->src_nr)
#define rsnd_enable_sync_convert(src) ((src)->sen.val)
#define rsnd_src_of_node(priv) \
of_get_child_by_name(rsnd_priv_to_dev(priv)->of_node, "rcar_sound,src")
@@ -117,6 +118,20 @@ struct rsnd_src {
/*
* Gen1/Gen2 common functions
*/
+static void rsnd_src_soft_reset(struct rsnd_mod *mod)
+{
+ rsnd_mod_write(mod, SRC_SWRSR, 0);
+ rsnd_mod_write(mod, SRC_SWRSR, 1);
+}
+
+
+#define rsnd_src_initialize_lock(mod) __rsnd_src_initialize_lock(mod, 1)
+#define rsnd_src_initialize_unlock(mod) __rsnd_src_initialize_lock(mod, 0)
+static void __rsnd_src_initialize_lock(struct rsnd_mod *mod, u32 enable)
+{
+ rsnd_mod_write(mod, SRC_SRCIR, enable);
+}
+
static struct dma_chan *rsnd_src_dma_req(struct rsnd_dai_stream *io,
struct rsnd_mod *mod)
{
@@ -133,7 +148,6 @@ int rsnd_src_ssiu_start(struct rsnd_mod *ssi_mod,
int use_busif)
{
struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
- struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
int ssi_id = rsnd_mod_id(ssi_mod);
/*
@@ -170,27 +184,14 @@ int rsnd_src_ssiu_start(struct rsnd_mod *ssi_mod,
* DMA settings for SSIU
*/
if (use_busif) {
- u32 val = 0x76543210;
- u32 mask = ~0;
+ u32 val = rsnd_get_dalign(ssi_mod, io);
rsnd_mod_write(ssi_mod, SSI_BUSIF_ADINR,
- rsnd_get_adinr(ssi_mod, io));
+ rsnd_get_adinr_bit(ssi_mod, io));
rsnd_mod_write(ssi_mod, SSI_BUSIF_MODE, 1);
rsnd_mod_write(ssi_mod, SSI_CTRL, 0x1);
- mask <<= runtime->channels * 4;
- val = val & mask;
-
- switch (runtime->sample_bits) {
- case 16:
- val |= 0x67452301 & ~mask;
- break;
- case 32:
- val |= 0x76543210 & ~mask;
- break;
- }
- rsnd_mod_write(ssi_mod, BUSIF_DALIGN, val);
-
+ rsnd_mod_write(ssi_mod, SSI_BUSIF_DALIGN, val);
}
return 0;
@@ -215,10 +216,9 @@ int rsnd_src_ssi_irq_enable(struct rsnd_mod *ssi_mod)
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);
+ rsnd_mod_write(ssi_mod, SSI_INT_ENABLE,
+ rsnd_ssi_is_dma_mode(ssi_mod) ?
+ 0x0e000000 : 0x0f000000);
return 0;
}
@@ -231,7 +231,7 @@ int rsnd_src_ssi_irq_disable(struct rsnd_mod *ssi_mod)
return 0;
/* disable SSI interrupt if Gen2 */
- rsnd_mod_write(ssi_mod, INT_ENABLE, 0x00000000);
+ rsnd_mod_write(ssi_mod, SSI_INT_ENABLE, 0x00000000);
return 0;
}
@@ -294,12 +294,8 @@ static int rsnd_src_set_convert_rate(struct rsnd_mod *mod,
if (convert_rate)
fsrate = 0x0400000 / convert_rate * runtime->rate;
- /* set/clear soft reset */
- rsnd_mod_write(mod, SRC_SWRSR, 0);
- rsnd_mod_write(mod, SRC_SWRSR, 1);
-
/* Set channel number and output bit length */
- rsnd_mod_write(mod, SRC_ADINR, rsnd_get_adinr(mod, io));
+ rsnd_mod_write(mod, SRC_ADINR, rsnd_get_adinr_bit(mod, io));
/* Enable the initial value of IFS */
if (fsrate) {
@@ -358,17 +354,15 @@ static int rsnd_src_init(struct rsnd_mod *mod,
rsnd_mod_hw_start(mod);
+ rsnd_src_soft_reset(mod);
+
+ rsnd_src_initialize_lock(mod);
+
src->err = 0;
/* reset sync convert_rate */
src->sync.val = 0;
- /*
- * Initialize the operation of the SRC internal circuits
- * see rsnd_src_start()
- */
- rsnd_mod_write(mod, SRC_SRCIR, 1);
-
return 0;
}
@@ -395,11 +389,7 @@ static int rsnd_src_quit(struct rsnd_mod *mod,
static int rsnd_src_start(struct rsnd_mod *mod)
{
- /*
- * Cancel the initialization and operate the SRC function
- * see rsnd_src_init()
- */
- rsnd_mod_write(mod, SRC_SRCIR, 0);
+ rsnd_src_initialize_unlock(mod);
return 0;
}
@@ -617,6 +607,14 @@ static void rsnd_src_irq_ctrol_gen2(struct rsnd_mod *mod, int enable)
int_val = 0;
}
+ /*
+ * WORKAROUND
+ *
+ * ignore over flow error when rsnd_enable_sync_convert()
+ */
+ if (rsnd_enable_sync_convert(src))
+ sys_int_val = sys_int_val & 0xffff;
+
rsnd_mod_write(mod, SRC_INT_ENABLE0, int_val);
rsnd_mod_bset(mod, SCU_SYS_INT_EN0, sys_int_mask, sys_int_val);
rsnd_mod_bset(mod, SCU_SYS_INT_EN1, sys_int_mask, sys_int_val);
@@ -632,11 +630,22 @@ static void rsnd_src_error_clear_gen2(struct rsnd_mod *mod)
static bool rsnd_src_error_record_gen2(struct rsnd_mod *mod)
{
- u32 val = OUF_SRC(rsnd_mod_id(mod));
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
+ u32 val0, val1;
bool ret = false;
- if ((rsnd_mod_read(mod, SCU_SYS_STATUS0) & val) ||
- (rsnd_mod_read(mod, SCU_SYS_STATUS1) & val)) {
+ val0 = val1 = OUF_SRC(rsnd_mod_id(mod));
+
+ /*
+ * WORKAROUND
+ *
+ * ignore over flow error when rsnd_enable_sync_convert()
+ */
+ if (rsnd_enable_sync_convert(src))
+ val0 = val0 & 0xffff;
+
+ if ((rsnd_mod_read(mod, SCU_SYS_STATUS0) & val0) ||
+ (rsnd_mod_read(mod, SCU_SYS_STATUS1) & val1)) {
struct rsnd_src *src = rsnd_mod_to_src(mod);
src->err++;
@@ -652,7 +661,20 @@ static bool rsnd_src_error_record_gen2(struct rsnd_mod *mod)
static int _rsnd_src_start_gen2(struct rsnd_mod *mod,
struct rsnd_dai_stream *io)
{
- u32 val = rsnd_io_to_mod_dvc(io) ? 0x01 : 0x11;
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
+ u32 val;
+
+ val = rsnd_get_dalign(mod, io);
+
+ rsnd_mod_write(mod, SRC_BUSIF_DALIGN, val);
+
+ /*
+ * WORKAROUND
+ *
+ * Enable SRC output if you want to use sync convert together with DVC
+ */
+ val = (rsnd_io_to_mod_dvc(io) && !rsnd_enable_sync_convert(src)) ?
+ 0x01 : 0x11;
rsnd_mod_write(mod, SRC_CTRL, val);
@@ -922,13 +944,6 @@ static int rsnd_src_pcm_new(struct rsnd_mod *mod,
return 0;
/*
- * We can't use SRC sync convert
- * if it has DVC
- */
- if (rsnd_io_to_mod_dvc(io))
- return 0;
-
- /*
* enable sync convert
*/
ret = rsnd_kctrl_new_s(mod, io, rtd,
@@ -1047,10 +1062,8 @@ int rsnd_src_probe(struct platform_device *pdev,
return 0;
src = devm_kzalloc(dev, sizeof(*src) * nr, GFP_KERNEL);
- if (!src) {
- dev_err(dev, "SRC allocate failed\n");
+ if (!src)
return -ENOMEM;
- }
priv->src_nr = nr;
priv->src = src;
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-11 12:25:00 +0000