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yaml
---
r: 216626
b: refs/heads/master
c: cf6edd0
h: refs/heads/master
v: v3
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Kuninori Morimoto authored and Mark Brown committed Oct 12, 2010
1 parent 9ceff36 commit 1fc72e0
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Showing 2 changed files with 23 additions and 24 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 75eda968e4db79bda95e9a5f90aead952c273839
refs/heads/master: cf6edd007b6c371613a2f48e58f3a4238d9775c8
45 changes: 22 additions & 23 deletions trunk/sound/soc/sh/fsi.c
Original file line number Diff line number Diff line change
Expand Up @@ -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 */
Expand All @@ -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

Expand Down Expand Up @@ -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,
Expand Down Expand Up @@ -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);
Expand All @@ -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);
Expand All @@ -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);
Expand Down Expand Up @@ -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);

Expand Down Expand Up @@ -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);
Expand Down

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