ASoC: fsi: modify fsi_pio_get_area() parameter and using position

This patch modify fsi_pio_get_area() parameter to use
struct fsi_stream, and used it on fsi_fifo_data_ctrl().
This is just prepare cleanup for DMAEngine support.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 17 insertions, 26 deletions

diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c
index 2e2663bb224c..c814d8a7cece 100644
--- a/sound/soc/sh/fsi.c
+++ b/sound/soc/sh/fsi.c
@@ -477,58 +477,46 @@ static void fsi_stream_quit(struct fsi_priv *fsi, int is_play)
  *              pio function
  */
 
-static u8 *fsi_pio_get_area(struct fsi_priv *fsi, int stream)
+static u8 *fsi_pio_get_area(struct fsi_priv *fsi, struct fsi_stream *io)
 {
-        int is_play = fsi_stream_is_play(stream);
-        struct fsi_stream *io = fsi_stream_get(fsi, is_play);
         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, int num)
+static void fsi_pio_push16(struct fsi_priv *fsi, u8 *_buf, int num)
 {
-        u16 *start;
+        u16 *start = (u16 *)_buf;
         int i;
 
-        start  = (u16 *)fsi_pio_get_area(fsi, SNDRV_PCM_STREAM_PLAYBACK);
-
         for (i = 0; i < num; i++)
                 fsi_reg_write(fsi, DODT, ((u32)*(start + i) << 8));
 }
 
-static void fsi_pio_pop16(struct fsi_priv *fsi, int num)
+static void fsi_pio_pop16(struct fsi_priv *fsi, u8 *_buf, int num)
 {
-        u16 *start;
+        u16 *start = (u16 *)_buf;
         int i;
 
-        start  = (u16 *)fsi_pio_get_area(fsi, SNDRV_PCM_STREAM_CAPTURE);
-
-
         for (i = 0; i < num; i++)
                 *(start + i) = (u16)(fsi_reg_read(fsi, DIDT) >> 8);
 }
 
-static void fsi_pio_push32(struct fsi_priv *fsi, int num)
+static void fsi_pio_push32(struct fsi_priv *fsi, u8 *_buf, int num)
 {
-        u32 *start;
+        u32 *start = (u32 *)_buf;
         int i;
 
-        start  = (u32 *)fsi_pio_get_area(fsi, SNDRV_PCM_STREAM_PLAYBACK);
-
-
         for (i = 0; i < num; i++)
                 fsi_reg_write(fsi, DODT, *(start + i));
 }
 
-static void fsi_pio_pop32(struct fsi_priv *fsi, int num)
+static void fsi_pio_pop32(struct fsi_priv *fsi, u8 *_buf, int num)
 {
-        u32 *start;
+        u32 *start = (u32 *)_buf;
         int i;
 
-        start  = (u32 *)fsi_pio_get_area(fsi, SNDRV_PCM_STREAM_CAPTURE);
-
         for (i = 0; i < num; i++)
                 *(start + i) = fsi_reg_read(fsi, DIDT);
 }
@@ -693,12 +681,13 @@ static void __fsi_port_clk_ctrl(struct fsi_priv *fsi, int is_play, int enable)
  *              ctrl function
  */
 static int fsi_fifo_data_ctrl(struct fsi_priv *fsi, struct fsi_stream *io,
-                              void (*run16)(struct fsi_priv *fsi, int size),
-                              void (*run32)(struct fsi_priv *fsi, int size),
-                              int samples)
+                void (*run16)(struct fsi_priv *fsi, u8 *buf, int samples),
+                void (*run32)(struct fsi_priv *fsi, u8 *buf, int samples),
+                int samples)
 {
         struct snd_pcm_runtime *runtime;
         struct snd_pcm_substream *substream;
+        u8 *buf;
         int over_period;
 
         if (!fsi                        ||
@@ -723,12 +712,14 @@ static int fsi_fifo_data_ctrl(struct fsi_priv *fsi, struct fsi_stream *io,
                         io->buff_sample_pos = 0;
         }
 
+        buf = fsi_pio_get_area(fsi, io);
+
         switch (io->sample_width) {
         case 2:
-                run16(fsi, samples);
+                run16(fsi, buf, samples);
                 break;
         case 4:
-                run32(fsi, samples);
+                run32(fsi, buf, samples);
                 break;
         default:
                 return -EINVAL;