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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>
This commit is contained in:
Kuninori Morimoto 2010-10-12 11:40:53 +09:00 committed by Mark Brown
parent 75eda968e4
commit cf6edd007b
1 changed files with 22 additions and 23 deletions
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45
sound/soc/sh/fsi.c
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@ -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);