ASoC: fsi: don't use is_play as a parameter of fsi functions

is_play should be kept as local valuable.
it prepare cleanup for DMAEngine support

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

diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c
index 7c93b7c..7dec144 100644 (file)
--- a/sound/soc/sh/fsi.c
+++ b/sound/soc/sh/fsi.c
@@ -364,8 +364,9 @@ static u32 fsi_get_info_flags(struct fsi_priv *fsi)
                master->info->portb_flags;
 }
 
-static u32 fsi_get_port_shift(struct fsi_priv *fsi, int is_play)
+static u32 fsi_get_port_shift(struct fsi_priv *fsi, struct fsi_stream *io)
 {
+       int is_play = fsi_stream_is_play(fsi, io);
        int is_porta = fsi_is_port_a(fsi);
        u32 shift;
 
@@ -434,15 +435,14 @@ static inline int fsi_stream_is_play(struct fsi_priv *fsi,
 }
 
 static inline struct fsi_stream *fsi_stream_get(struct fsi_priv *fsi,
-                                               int is_play)
+                                       struct snd_pcm_substream *substream)
 {
-       return is_play ? &fsi->playback : &fsi->capture;
+       return fsi_is_play(substream) ? &fsi->playback : &fsi->capture;
 }
 
 static int fsi_stream_is_working(struct fsi_priv *fsi,
-                                 int is_play)
+                                struct fsi_stream *io)
 {
-       struct fsi_stream *io = fsi_stream_get(fsi, is_play);
        struct fsi_master *master = fsi_get_master(fsi);
        unsigned long flags;
        int ret;
@@ -460,10 +460,9 @@ static struct fsi_priv *fsi_stream_to_priv(struct fsi_stream *io)
 }
 
 static void fsi_stream_init(struct fsi_priv *fsi,
-                           int is_play,
+                           struct fsi_stream *io,
                            struct snd_pcm_substream *substream)
 {
-       struct fsi_stream *io = fsi_stream_get(fsi, is_play);
        struct snd_pcm_runtime *runtime = substream->runtime;
        struct fsi_master *master = fsi_get_master(fsi);
        unsigned long flags;
@@ -480,9 +479,8 @@ static void fsi_stream_init(struct fsi_priv *fsi,
        spin_unlock_irqrestore(&master->lock, flags);
 }
 
-static void fsi_stream_quit(struct fsi_priv *fsi, int is_play)
+static void fsi_stream_quit(struct fsi_priv *fsi, struct fsi_stream *io)
 {
-       struct fsi_stream *io = fsi_stream_get(fsi, is_play);
        struct snd_soc_dai *dai = fsi_get_dai(io->substream);
        struct fsi_master *master = fsi_get_master(fsi);
        unsigned long flags;
@@ -557,18 +555,18 @@ static int fsi_stream_remove(struct fsi_priv *fsi)
  *             irq function
  */
 
-static void fsi_irq_enable(struct fsi_priv *fsi, int is_play)
+static void fsi_irq_enable(struct fsi_priv *fsi, struct fsi_stream *io)
 {
-       u32 data = AB_IO(1, fsi_get_port_shift(fsi, is_play));
+       u32 data = AB_IO(1, fsi_get_port_shift(fsi, io));
        struct fsi_master *master = fsi_get_master(fsi);
 
        fsi_core_mask_set(master, imsk,  data, data);
        fsi_core_mask_set(master, iemsk, data, data);
 }
 
-static void fsi_irq_disable(struct fsi_priv *fsi, int is_play)
+static void fsi_irq_disable(struct fsi_priv *fsi, struct fsi_stream *io)
 {
-       u32 data = AB_IO(1, fsi_get_port_shift(fsi, is_play));
+       u32 data = AB_IO(1, fsi_get_port_shift(fsi, io));
        struct fsi_master *master = fsi_get_master(fsi);
 
        fsi_core_mask_set(master, imsk,  data, 0);
@@ -585,8 +583,8 @@ static void fsi_irq_clear_status(struct fsi_priv *fsi)
        u32 data = 0;
        struct fsi_master *master = fsi_get_master(fsi);
 
-       data |= AB_IO(1, fsi_get_port_shift(fsi, 0));
-       data |= AB_IO(1, fsi_get_port_shift(fsi, 1));
+       data |= AB_IO(1, fsi_get_port_shift(fsi, &fsi->playback));
+       data |= AB_IO(1, fsi_get_port_shift(fsi, &fsi->capture));
 
        /* clear interrupt factor */
        fsi_core_mask_set(master, int_st, data, 0);
@@ -695,15 +693,16 @@ static int fsi_set_master_clk(struct device *dev, struct fsi_priv *fsi,
 
 #define fsi_port_start(f, i)   __fsi_port_clk_ctrl(f, i, 1)
 #define fsi_port_stop(f, i)    __fsi_port_clk_ctrl(f, i, 0)
-static void __fsi_port_clk_ctrl(struct fsi_priv *fsi, int is_play, int enable)
+static void __fsi_port_clk_ctrl(struct fsi_priv *fsi, struct fsi_stream *io,
+                               int enable)
 {
        struct fsi_master *master = fsi_get_master(fsi);
        u32 clk  = fsi_is_port_a(fsi) ? CRA  : CRB;
 
        if (enable)
-               fsi_irq_enable(fsi, is_play);
+               fsi_irq_enable(fsi, io);
        else
-               fsi_irq_disable(fsi, is_play);
+               fsi_irq_disable(fsi, io);
 
        if (fsi_is_clk_master(fsi))
                fsi_master_mask_set(master, CLK_RST, clk, (enable) ? clk : 0);
@@ -885,17 +884,17 @@ static irqreturn_t fsi_interrupt(int irq, void *data)
  *             dai ops
  */
 static void fsi_fifo_init(struct fsi_priv *fsi,
-                         int is_play,
+                         struct fsi_stream *io,
                          struct device *dev)
 {
        struct fsi_master *master = fsi_get_master(fsi);
-       struct fsi_stream *io = fsi_stream_get(fsi, is_play);
+       int is_play = fsi_stream_is_play(fsi, io);
        u32 shift, i;
        int frame_capa;
 
        /* get on-chip RAM capacity */
        shift = fsi_master_read(master, FIFO_SZ);
-       shift >>= fsi_get_port_shift(fsi, is_play);
+       shift >>= fsi_get_port_shift(fsi, io);
        shift &= FIFO_SZ_MASK;
        frame_capa = 256 << shift;
        dev_dbg(dev, "fifo = %d words\n", frame_capa);
@@ -940,7 +939,7 @@ static void fsi_fifo_init(struct fsi_priv *fsi,
 }
 
 static int fsi_hw_startup(struct fsi_priv *fsi,
-                         int is_play,
+                         struct fsi_stream *io,
                          struct device *dev)
 {
        struct fsi_master *master = fsi_get_master(fsi);
@@ -989,11 +988,11 @@ static int fsi_hw_startup(struct fsi_priv *fsi,
        }
 
        /* irq clear */
-       fsi_irq_disable(fsi, is_play);
+       fsi_irq_disable(fsi, io);
        fsi_irq_clear_status(fsi);
 
        /* fifo init */
-       fsi_fifo_init(fsi, is_play, dev);
+       fsi_fifo_init(fsi, io, dev);
 
        return 0;
 }
@@ -1009,9 +1008,8 @@ static int fsi_dai_startup(struct snd_pcm_substream *substream,
                           struct snd_soc_dai *dai)
 {
        struct fsi_priv *fsi = fsi_get_priv(substream);
-       int is_play = fsi_is_play(substream);
 
-       return fsi_hw_startup(fsi, is_play, dai->dev);
+       return fsi_hw_startup(fsi, fsi_stream_get(fsi, substream), dai->dev);
 }
 
 static void fsi_dai_shutdown(struct snd_pcm_substream *substream,
@@ -1027,20 +1025,19 @@ static int fsi_dai_trigger(struct snd_pcm_substream *substream, int cmd,
                           struct snd_soc_dai *dai)
 {
        struct fsi_priv *fsi = fsi_get_priv(substream);
-       struct fsi_stream *io = fsi_stream_get(fsi, fsi_is_play(substream));
-       int is_play = fsi_is_play(substream);
+       struct fsi_stream *io = fsi_stream_get(fsi, substream);
        int ret = 0;
 
        switch (cmd) {
        case SNDRV_PCM_TRIGGER_START:
-               fsi_stream_init(fsi, is_play, substream);
+               fsi_stream_init(fsi, io, substream);
                ret = fsi_stream_transfer(io);
                if (0 == ret)
-                       fsi_port_start(fsi, is_play);
+                       fsi_port_start(fsi, io);
                break;
        case SNDRV_PCM_TRIGGER_STOP:
-               fsi_port_stop(fsi, is_play);
-               fsi_stream_quit(fsi, is_play);
+               fsi_port_stop(fsi, io);
+               fsi_stream_quit(fsi, io);
                break;
        }
 
@@ -1206,7 +1203,7 @@ static int fsi_hw_free(struct snd_pcm_substream *substream)
 static snd_pcm_uframes_t fsi_pointer(struct snd_pcm_substream *substream)
 {
        struct fsi_priv *fsi = fsi_get_priv(substream);
-       struct fsi_stream *io = fsi_stream_get(fsi, fsi_is_play(substream));
+       struct fsi_stream *io = fsi_stream_get(fsi, substream);
        int samples_pos = io->buff_sample_pos - 1;
 
        if (samples_pos < 0)
@@ -1433,30 +1430,29 @@ static int fsi_remove(struct platform_device *pdev)
 }
 
 static void __fsi_suspend(struct fsi_priv *fsi,
-                         int is_play,
+                         struct fsi_stream *io,
                          struct device *dev)
 {
-       if (!fsi_stream_is_working(fsi, is_play))
+       if (!fsi_stream_is_working(fsi, io))
                return;
 
-       fsi_port_stop(fsi, is_play);
+       fsi_port_stop(fsi, io);
        fsi_hw_shutdown(fsi, dev);
 }
 
 static void __fsi_resume(struct fsi_priv *fsi,
-                        int is_play,
+                        struct fsi_stream *io,
                         struct device *dev)
 {
-       if (!fsi_stream_is_working(fsi, is_play))
+       if (!fsi_stream_is_working(fsi, io))
                return;
 
-       fsi_hw_startup(fsi, is_play, dev);
+       fsi_hw_startup(fsi, io, dev);
 
        if (fsi_is_clk_master(fsi) && fsi->rate)
                fsi_set_master_clk(dev, fsi, fsi->rate, 1);
 
-       fsi_port_start(fsi, is_play);
-
+       fsi_port_start(fsi, io);
 }
 
 static int fsi_suspend(struct device *dev)
@@ -1465,11 +1461,11 @@ static int fsi_suspend(struct device *dev)
        struct fsi_priv *fsia = &master->fsia;
        struct fsi_priv *fsib = &master->fsib;
 
-       __fsi_suspend(fsia, 1, dev);
-       __fsi_suspend(fsia, 0, dev);
+       __fsi_suspend(fsia, &fsia->playback, dev);
+       __fsi_suspend(fsia, &fsia->capture, dev);
 
-       __fsi_suspend(fsib, 1, dev);
-       __fsi_suspend(fsib, 0, dev);
+       __fsi_suspend(fsib, &fsib->playback, dev);
+       __fsi_suspend(fsib, &fsib->capture, dev);
 
        return 0;
 }
@@ -1480,11 +1476,11 @@ static int fsi_resume(struct device *dev)
        struct fsi_priv *fsia = &master->fsia;
        struct fsi_priv *fsib = &master->fsib;
 
-       __fsi_resume(fsia, 1, dev);
-       __fsi_resume(fsia, 0, dev);
+       __fsi_resume(fsia, &fsia->playback, dev);
+       __fsi_resume(fsia, &fsia->capture, dev);
 
-       __fsi_resume(fsib, 1, dev);
-       __fsi_resume(fsib, 0, dev);
+       __fsi_resume(fsib, &fsib->playback, dev);
+       __fsi_resume(fsib, &fsib->capture, dev);
 
        return 0;
 }