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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2010-10-12 11:40:53 +0900
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-10-12 11:03:03 +0100
commitcf6edd007b6c371613a2f48e58f3a4238d9775c8 (patch)
tree869a3a14162a5e0870c143610938ee45529c7101 /sound/soc/sh/fsi.c
parent75eda968e4db79bda95e9a5f90aead952c273839 (diff)
ASoC: fsi: Add new macro and shift for PortA/B In/Out
Some FSI register have similar bit array for PortA/B and In/Out. This patch add new macro and shift for it Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Acked-by: Liam Girdwood <lrg@slimlogic.co.uk> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/sh/fsi.c')
-rw-r--r--sound/soc/sh/fsi.c45
1 files changed, 22 insertions, 23 deletions
diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c
index 2b3a50d48ce5..685bb7c4f039 100644
--- a/sound/soc/sh/fsi.c
+++ b/sound/soc/sh/fsi.c
@@ -80,11 +80,12 @@
#define B_CLK 0x00000010
#define A_CLK 0x00000001
-/* INT_ST */
-#define INT_B_IN (1 << 12)
-#define INT_B_OUT (1 << 8)
-#define INT_A_IN (1 << 4)
-#define INT_A_OUT (1 << 0)
+/* IO SHIFT / MACRO */
+#define BI_SHIFT 12
+#define BO_SHIFT 8
+#define AI_SHIFT 4
+#define AO_SHIFT 0
+#define AB_IO(param, shift) (param << shift)
/* SOFT_RST */
#define PBSR (1 << 12) /* Port B Software Reset */
@@ -93,9 +94,7 @@
#define FSISR (1 << 0) /* Software Reset */
/* FIFO_SZ */
-#define OUT_SZ_MASK 0x7
-#define BO_SZ_SHIFT 8
-#define AO_SZ_SHIFT 0
+#define FIFO_SZ_MASK 0x7
#define FSI_RATES SNDRV_PCM_RATE_8000_96000
@@ -310,17 +309,17 @@ static int fsi_is_master_mode(struct fsi_priv *fsi, int is_play)
return (mode & flags) != mode;
}
-static u32 fsi_port_ab_io_bit(struct fsi_priv *fsi, int is_play)
+static u32 fsi_get_port_shift(struct fsi_priv *fsi, int is_play)
{
int is_porta = fsi_is_port_a(fsi);
- u32 data;
+ u32 shift;
if (is_porta)
- data = is_play ? (1 << 0) : (1 << 4);
+ shift = is_play ? AO_SHIFT : AI_SHIFT;
else
- data = is_play ? (1 << 8) : (1 << 12);
+ shift = is_play ? BO_SHIFT : BI_SHIFT;
- return data;
+ return shift;
}
static void fsi_stream_push(struct fsi_priv *fsi,
@@ -435,7 +434,7 @@ static void fsi_dma_soft_pop32(struct fsi_priv *fsi, int num)
static void fsi_irq_enable(struct fsi_priv *fsi, int is_play)
{
- u32 data = fsi_port_ab_io_bit(fsi, is_play);
+ u32 data = AB_IO(1, fsi_get_port_shift(fsi, is_play));
struct fsi_master *master = fsi_get_master(fsi);
fsi_master_mask_set(master, master->core->imsk, data, data);
@@ -444,7 +443,7 @@ static void fsi_irq_enable(struct fsi_priv *fsi, int is_play)
static void fsi_irq_disable(struct fsi_priv *fsi, int is_play)
{
- u32 data = fsi_port_ab_io_bit(fsi, is_play);
+ u32 data = AB_IO(1, fsi_get_port_shift(fsi, is_play));
struct fsi_master *master = fsi_get_master(fsi);
fsi_master_mask_set(master, master->core->imsk, data, 0);
@@ -466,8 +465,8 @@ static void fsi_irq_clear_status(struct fsi_priv *fsi)
u32 data = 0;
struct fsi_master *master = fsi_get_master(fsi);
- data |= fsi_port_ab_io_bit(fsi, 0);
- data |= fsi_port_ab_io_bit(fsi, 1);
+ data |= AB_IO(1, fsi_get_port_shift(fsi, 0));
+ data |= AB_IO(1, fsi_get_port_shift(fsi, 1));
/* clear interrupt factor */
fsi_master_mask_set(master, master->core->int_st, data, 0);
@@ -518,8 +517,8 @@ static void fsi_fifo_init(struct fsi_priv *fsi,
/* get on-chip RAM capacity */
shift = fsi_master_read(master, FIFO_SZ);
- shift >>= fsi_is_port_a(fsi) ? AO_SZ_SHIFT : BO_SZ_SHIFT;
- shift &= OUT_SZ_MASK;
+ shift >>= fsi_get_port_shift(fsi, is_play);
+ shift &= FIFO_SZ_MASK;
fsi->fifo_max_num = 256 << shift;
dev_dbg(dai->dev, "fifo = %d words\n", fsi->fifo_max_num);
@@ -700,13 +699,13 @@ static irqreturn_t fsi_interrupt(int irq, void *data)
fsi_master_mask_set(master, SOFT_RST, IR, 0);
fsi_master_mask_set(master, SOFT_RST, IR, IR);
- if (int_st & INT_A_OUT)
+ if (int_st & AB_IO(1, AO_SHIFT))
fsi_data_push(&master->fsia, 0);
- if (int_st & INT_B_OUT)
+ if (int_st & AB_IO(1, BO_SHIFT))
fsi_data_push(&master->fsib, 0);
- if (int_st & INT_A_IN)
+ if (int_st & AB_IO(1, AI_SHIFT))
fsi_data_pop(&master->fsia, 0);
- if (int_st & INT_B_IN)
+ if (int_st & AB_IO(1, BI_SHIFT))
fsi_data_pop(&master->fsib, 0);
fsi_irq_clear_all_status(master);