[PATCH v2 09/11] ASoC: rsnd: implement BUSIF related code in ssiu.c
Kuninori Morimoto
kuninori.morimoto.gx at renesas.com
Thu May 27 04:41:50 CEST 2021
From: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
BUSIF is SSIU feature, but its related code is
implemented at ssi.c today.
This patch moves it to ssiu.c
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
---
sound/soc/sh/rcar/rsnd.h | 1 +
sound/soc/sh/rcar/ssi.c | 98 +------------------------------
sound/soc/sh/rcar/ssiu.c | 121 ++++++++++++++++++++++++++++++++++-----
3 files changed, 108 insertions(+), 112 deletions(-)
diff --git a/sound/soc/sh/rcar/rsnd.h b/sound/soc/sh/rcar/rsnd.h
index 159754b7bb53..d712615c9c9f 100644
--- a/sound/soc/sh/rcar/rsnd.h
+++ b/sound/soc/sh/rcar/rsnd.h
@@ -810,6 +810,7 @@ void rsnd_parse_connect_ssiu(struct rsnd_dai *rdai,
struct device_node *playback,
struct device_node *capture);
#define rsnd_ssiu_of_node(priv) rsnd_parse_of_node(priv, RSND_NODE_SSIU)
+bool rsnd_ssiu_busif_err_status_clear(struct rsnd_mod *mod);
/*
* R-Car SRC
diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c
index 551c78f47da9..facdd8c0d419 100644
--- a/sound/soc/sh/rcar/ssi.c
+++ b/sound/soc/sh/rcar/ssi.c
@@ -357,96 +357,6 @@ static void rsnd_ssi_master_clk_stop(struct rsnd_mod *mod,
rsnd_adg_ssi_clk_stop(mod);
}
-/* enable busif buffer over/under run interrupt. */
-#define rsnd_ssi_busif_err_irq_enable(mod) rsnd_ssi_busif_err_irq_ctrl(mod, 1)
-#define rsnd_ssi_busif_err_irq_disable(mod) rsnd_ssi_busif_err_irq_ctrl(mod, 0)
-static void rsnd_ssi_busif_err_irq_ctrl(struct rsnd_mod *mod, int enable)
-{
- u32 sys_int_enable = 0;
- int id = rsnd_mod_id(mod);
- int i;
-
- switch (id) {
- case 0:
- case 1:
- case 2:
- case 3:
- case 4:
- for (i = 0; i < 4; i++) {
- sys_int_enable = rsnd_mod_read(mod, SSI_SYS_INT_ENABLE(i * 2));
- if (enable)
- sys_int_enable |= 0xf << (id * 4);
- else
- sys_int_enable &= ~(0xf << (id * 4));
- rsnd_mod_write(mod,
- SSI_SYS_INT_ENABLE(i * 2),
- sys_int_enable);
- }
- break;
- case 9:
- for (i = 0; i < 4; i++) {
- sys_int_enable = rsnd_mod_read(mod, SSI_SYS_INT_ENABLE((i * 2) + 1));
- if (enable)
- sys_int_enable |= 0xf << 4;
- else
- sys_int_enable &= ~(0xf << 4);
- rsnd_mod_write(mod,
- SSI_SYS_INT_ENABLE((i * 2) + 1),
- sys_int_enable);
- }
- break;
- }
-}
-
-static bool rsnd_ssi_busif_err_status_clear(struct rsnd_mod *mod)
-{
- struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
- struct device *dev = rsnd_priv_to_dev(priv);
- u32 status;
- bool stop = false;
- int id = rsnd_mod_id(mod);
- int i;
-
- switch (id) {
- case 0:
- case 1:
- case 2:
- case 3:
- case 4:
- for (i = 0; i < 4; i++) {
- status = rsnd_mod_read(mod, SSI_SYS_STATUS(i * 2));
- status &= 0xf << (id * 4);
-
- if (status) {
- rsnd_print_irq_status(dev, "%s err status : 0x%08x\n",
- rsnd_mod_name(mod), status);
- rsnd_mod_write(mod,
- SSI_SYS_STATUS(i * 2),
- 0xf << (id * 4));
- stop = true;
- }
- }
- break;
- case 9:
- for (i = 0; i < 4; i++) {
- status = rsnd_mod_read(mod, SSI_SYS_STATUS((i * 2) + 1));
- status &= 0xf << 4;
-
- if (status) {
- rsnd_print_irq_status(dev, "%s err status : 0x%08x\n",
- rsnd_mod_name(mod), status);
- rsnd_mod_write(mod,
- SSI_SYS_STATUS((i * 2) + 1),
- 0xf << 4);
- stop = true;
- }
- }
- break;
- }
-
- return stop;
-}
-
static void rsnd_ssi_config_init(struct rsnd_mod *mod,
struct rsnd_dai_stream *io)
{
@@ -534,9 +444,6 @@ static void rsnd_ssi_config_init(struct rsnd_mod *mod,
cr_mode = DIEN; /* PIO : enable Data interrupt */
}
- /* enable busif buffer over/under run interrupt. */
- rsnd_ssi_busif_err_irq_enable(mod);
-
init_end:
ssi->cr_own = cr_own;
ssi->cr_mode = cr_mode;
@@ -612,9 +519,6 @@ static int rsnd_ssi_quit(struct rsnd_mod *mod,
ssi->wsr = 0;
}
- /* disable busif buffer over/under run interrupt. */
- rsnd_ssi_busif_err_irq_disable(mod);
-
return 0;
}
@@ -788,7 +692,7 @@ static void __rsnd_ssi_interrupt(struct rsnd_mod *mod,
stop = true;
}
- stop |= rsnd_ssi_busif_err_status_clear(mod);
+ stop |= rsnd_ssiu_busif_err_status_clear(mod);
rsnd_ssi_status_clear(mod);
rsnd_ssi_interrupt_out:
diff --git a/sound/soc/sh/rcar/ssiu.c b/sound/soc/sh/rcar/ssiu.c
index cb2071cbe3c6..3a98ec2066bc 100644
--- a/sound/soc/sh/rcar/ssiu.c
+++ b/sound/soc/sh/rcar/ssiu.c
@@ -45,6 +45,92 @@ struct rsnd_ssiu {
static const int gen2_id[] = { 0, 4, 8, 12, 13, 14, 15, 16, 17, 18 };
static const int gen3_id[] = { 0, 8, 16, 24, 32, 40, 41, 42, 43, 44 };
+/* enable busif buffer over/under run interrupt. */
+#define rsnd_ssiu_busif_err_irq_enable(mod) rsnd_ssiu_busif_err_irq_ctrl(mod, 1)
+#define rsnd_ssiu_busif_err_irq_disable(mod) rsnd_ssiu_busif_err_irq_ctrl(mod, 0)
+static void rsnd_ssiu_busif_err_irq_ctrl(struct rsnd_mod *mod, int enable)
+{
+ u32 sys_int_enable = 0;
+ int id = rsnd_mod_id(mod);
+ int i;
+
+ switch (id) {
+ case 0:
+ case 1:
+ case 2:
+ case 3:
+ case 4:
+ for (i = 0; i < 4; i++) {
+ sys_int_enable = rsnd_mod_read(mod, SSI_SYS_INT_ENABLE(i * 2));
+ if (enable)
+ sys_int_enable |= 0xf << (id * 4);
+ else
+ sys_int_enable &= ~(0xf << (id * 4));
+ rsnd_mod_write(mod,
+ SSI_SYS_INT_ENABLE(i * 2),
+ sys_int_enable);
+ }
+ break;
+ case 9:
+ for (i = 0; i < 4; i++) {
+ sys_int_enable = rsnd_mod_read(mod, SSI_SYS_INT_ENABLE((i * 2) + 1));
+ if (enable)
+ sys_int_enable |= 0xf << 4;
+ else
+ sys_int_enable &= ~(0xf << 4);
+ rsnd_mod_write(mod,
+ SSI_SYS_INT_ENABLE((i * 2) + 1),
+ sys_int_enable);
+ }
+ break;
+ }
+}
+
+bool rsnd_ssiu_busif_err_status_clear(struct rsnd_mod *mod)
+{
+ struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
+ struct device *dev = rsnd_priv_to_dev(priv);
+ u32 status;
+ bool error = false;
+ int id = rsnd_mod_id(mod);
+ int i;
+
+ switch (id) {
+ case 0:
+ case 1:
+ case 2:
+ case 3:
+ case 4:
+ for (i = 0; i < 4; i++) {
+ status = rsnd_mod_read(mod, SSI_SYS_STATUS(i * 2));
+ status &= 0xf << (id * 4);
+
+ if (status) {
+ rsnd_print_irq_status(dev, "%s err status : 0x%08x\n",
+ rsnd_mod_name(mod), status);
+ error = true;
+ }
+ rsnd_mod_write(mod, SSI_SYS_STATUS(i * 2), 0xf << (id * 4));
+ }
+ break;
+ case 9:
+ for (i = 0; i < 4; i++) {
+ status = rsnd_mod_read(mod, SSI_SYS_STATUS((i * 2) + 1));
+ status &= 0xf << 4;
+
+ if (status) {
+ rsnd_print_irq_status(dev, "%s err status : 0x%08x\n",
+ rsnd_mod_name(mod), status);
+ error = true;
+ }
+ rsnd_mod_write(mod, SSI_SYS_STATUS((i * 2) + 1), 0xf << 4);
+ }
+ break;
+ }
+
+ return error;
+}
+
static u32 *rsnd_ssiu_get_status(struct rsnd_mod *mod,
struct rsnd_dai_stream *io,
enum rsnd_mod_type type)
@@ -65,23 +151,9 @@ static int rsnd_ssiu_init(struct rsnd_mod *mod,
int id = rsnd_mod_id(mod);
int is_clk_master = rsnd_rdai_is_clk_master(rdai);
u32 val1, val2;
- int i;
/* clear status */
- switch (id) {
- case 0:
- case 1:
- case 2:
- case 3:
- case 4:
- for (i = 0; i < 4; i++)
- rsnd_mod_write(mod, SSI_SYS_STATUS(i * 2), 0xf << (id * 4));
- break;
- case 9:
- for (i = 0; i < 4; i++)
- rsnd_mod_write(mod, SSI_SYS_STATUS((i * 2) + 1), 0xf << 4);
- break;
- }
+ rsnd_ssiu_busif_err_status_clear(mod);
/*
* SSI_MODE0
@@ -137,12 +209,31 @@ static int rsnd_ssiu_init(struct rsnd_mod *mod,
rsnd_mod_bset(mod, SSI_MODE1, 0x0013001f, val1);
rsnd_mod_bset(mod, SSI_MODE2, 0x00000017, val2);
+ /*
+ * Enable busif buffer over/under run interrupt.
+ * It will be handled from ssi.c
+ * see
+ * __rsnd_ssi_interrupt()
+ */
+ rsnd_ssiu_busif_err_irq_enable(mod);
+
+ return 0;
+}
+
+static int rsnd_ssiu_quit(struct rsnd_mod *mod,
+ struct rsnd_dai_stream *io,
+ struct rsnd_priv *priv)
+{
+ /* disable busif buffer over/under run interrupt. */
+ rsnd_ssiu_busif_err_irq_disable(mod);
+
return 0;
}
static struct rsnd_mod_ops rsnd_ssiu_ops_gen1 = {
.name = SSIU_NAME,
.init = rsnd_ssiu_init,
+ .quit = rsnd_ssiu_quit,
.get_status = rsnd_ssiu_get_status,
};
--
2.25.1
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