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ASoC: fsi: tidyup: fsi_pio_xxx() are gathered

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Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Kuninori Morimoto 2012-02-03 00:56:27 -08:00 committed by Mark Brown
parent 5e97313ac4
commit 1b0ca1a0c0
1 changed files with 49 additions and 52 deletions
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101
sound/soc/sh/fsi.c
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@ -553,54 +553,6 @@ static int fsi_stream_remove(struct fsi_priv *fsi)
return 0; return 0;
} }
/*
* pio function
*/
static u8 *fsi_pio_get_area(struct fsi_priv *fsi, struct fsi_stream *io)
{
struct snd_pcm_runtime *runtime = io->substream->runtime;
return runtime->dma_area +
samples_to_bytes(runtime, io->buff_sample_pos);
}
static void fsi_pio_push16(struct fsi_priv *fsi, u8 *_buf, int num)
{
u16 *start = (u16 *)_buf;
int i;
for (i = 0; i < num; i++)
fsi_reg_write(fsi, DODT, ((u32)*(start + i) << 8));
}
static void fsi_pio_pop16(struct fsi_priv *fsi, u8 *_buf, int num)
{
u16 *start = (u16 *)_buf;
int i;
for (i = 0; i < num; i++)
*(start + i) = (u16)(fsi_reg_read(fsi, DIDT) >> 8);
}
static void fsi_pio_push32(struct fsi_priv *fsi, u8 *_buf, int num)
{
u32 *start = (u32 *)_buf;
int i;
for (i = 0; i < num; i++)
fsi_reg_write(fsi, DODT, *(start + i));
}
static void fsi_pio_pop32(struct fsi_priv *fsi, u8 *_buf, int num)
{
u32 *start = (u32 *)_buf;
int i;
for (i = 0; i < num; i++)
*(start + i) = fsi_reg_read(fsi, DIDT);
}
/* /*
* irq function * irq function
*/ */
@ -757,10 +709,55 @@ static void __fsi_port_clk_ctrl(struct fsi_priv *fsi, int is_play, int enable)
fsi_master_mask_set(master, CLK_RST, clk, (enable) ? clk : 0); fsi_master_mask_set(master, CLK_RST, clk, (enable) ? clk : 0);
} }
/* /*
* ctrl function * pio data transfer handler
*/ */
static int fsi_fifo_data_ctrl(struct fsi_priv *fsi, struct fsi_stream *io, static void fsi_pio_push16(struct fsi_priv *fsi, u8 *_buf, int samples)
{
u16 *buf = (u16 *)_buf;
int i;
for (i = 0; i < samples; i++)
fsi_reg_write(fsi, DODT, ((u32)*(buf + i) << 8));
}
static void fsi_pio_pop16(struct fsi_priv *fsi, u8 *_buf, int samples)
{
u16 *buf = (u16 *)_buf;
int i;
for (i = 0; i < samples; i++)
*(buf + i) = (u16)(fsi_reg_read(fsi, DIDT) >> 8);
}
static void fsi_pio_push32(struct fsi_priv *fsi, u8 *_buf, int samples)
{
u32 *buf = (u32 *)_buf;
int i;
for (i = 0; i < samples; i++)
fsi_reg_write(fsi, DODT, *(buf + i));
}
static void fsi_pio_pop32(struct fsi_priv *fsi, u8 *_buf, int samples)
{
u32 *buf = (u32 *)_buf;
int i;
for (i = 0; i < samples; i++)
*(buf + i) = fsi_reg_read(fsi, DIDT);
}
static u8 *fsi_pio_get_area(struct fsi_priv *fsi, struct fsi_stream *io)
{
struct snd_pcm_runtime *runtime = io->substream->runtime;
return runtime->dma_area +
samples_to_bytes(runtime, io->buff_sample_pos);
}
static int fsi_pio_transfer(struct fsi_priv *fsi, struct fsi_stream *io,
void (*run16)(struct fsi_priv *fsi, u8 *buf, int samples), void (*run16)(struct fsi_priv *fsi, u8 *buf, int samples),
void (*run32)(struct fsi_priv *fsi, u8 *buf, int samples), void (*run32)(struct fsi_priv *fsi, u8 *buf, int samples),
int samples) int samples)
@ -825,7 +822,7 @@ static int fsi_pio_pop(struct fsi_priv *fsi, struct fsi_stream *io)
samples = min(sample_residues, sample_space); samples = min(sample_residues, sample_space);
return fsi_fifo_data_ctrl(fsi, io, return fsi_pio_transfer(fsi, io,
fsi_pio_pop16, fsi_pio_pop16,
fsi_pio_pop32, fsi_pio_pop32,
samples); samples);
@ -843,7 +840,7 @@ static int fsi_pio_push(struct fsi_priv *fsi, struct fsi_stream *io)
samples = min(sample_residues, sample_space); samples = min(sample_residues, sample_space);
return fsi_fifo_data_ctrl(fsi, io, return fsi_pio_transfer(fsi, io,
fsi_pio_push16, fsi_pio_push16,
fsi_pio_push32, fsi_pio_push32,
samples); samples);