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Commit 10ea76cc authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Mark Brown
Browse files

ASoC: fsi: IRQ related process had be united 



Signed-off-by: default avatarKuninori Morimoto <morimoto.kuninori@renesas.com>
Acked-by: default avatarLiam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent feb58cff

sound/soc/sh/fsi.c

+39 −14
Original line number Diff line number Diff line
@@ -322,7 +322,7 @@ static int fsi_get_fifo_residue(struct fsi_priv *fsi, int is_play) 
/************************************************************************





		ctrl function

		irq function





************************************************************************/
@@ -344,6 +344,35 @@ static void fsi_irq_disable(struct fsi_priv *fsi, int is_play) 
	fsi_master_mask_set(master, IEMSK, data, 0);

}



static u32 fsi_irq_get_status(struct fsi_master *master)

{

	return fsi_master_read(master, INT_ST);

}



static void fsi_irq_clear_all_status(struct fsi_master *master)

{

	fsi_master_write(master, INT_ST, 0x0000000);

}



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);



	/* clear interrupt factor */

	fsi_master_mask_set(master, INT_ST, data, 0);

}



/************************************************************************





		ctrl function





************************************************************************/

static void fsi_clk_ctrl(struct fsi_priv *fsi, int enable)

{

	u32 val = fsi_is_port_a(fsi) ? (1 << 0) : (1 << 4);
@@ -355,25 +384,17 @@ static void fsi_clk_ctrl(struct fsi_priv *fsi, int enable) 
		fsi_master_mask_set(master, CLK_RST, val, 0);

}



static void fsi_irq_init(struct fsi_priv *fsi, int is_play)

static void fsi_fifo_init(struct fsi_priv *fsi, int is_play)

{

	u32 data;

	u32 ctrl;



	data = fsi_port_ab_io_bit(fsi, is_play);

	ctrl = is_play ? DOFF_CTL : DIFF_CTL;



	/* set IMSK */

	fsi_irq_disable(fsi, is_play);



	/* set interrupt generation factor */

	fsi_reg_write(fsi, ctrl, IRQ_HALF);



	/* clear FIFO */

	fsi_reg_mask_set(fsi, ctrl, FIFO_CLR, FIFO_CLR);



	/* clear interrupt factor */

	fsi_master_mask_set(fsi_get_master(fsi), INT_ST, data, 0);

}



static void fsi_soft_all_reset(struct fsi_master *master)
@@ -559,7 +580,7 @@ static int fsi_data_pop(struct fsi_priv *fsi, int startup) 
static irqreturn_t fsi_interrupt(int irq, void *data)

{

	struct fsi_master *master = data;

	u32 int_st = fsi_master_read(master, INT_ST);

	u32 int_st = fsi_irq_get_status(master);



	/* clear irq status */

	fsi_master_mask_set(master, SOFT_RST, IR, 0);
@@ -574,7 +595,7 @@ static irqreturn_t fsi_interrupt(int irq, void *data) 
	if (int_st & INT_B_IN)

		fsi_data_pop(&master->fsib, 0);



	fsi_master_write(master, INT_ST, 0x0000000);

	fsi_irq_clear_all_status(master);



	return IRQ_HANDLED;

}
@@ -699,8 +720,12 @@ static int fsi_dai_startup(struct snd_pcm_substream *substream, 
	if (is_master)

		fsi_clk_ctrl(fsi, 1);



	/* irq setting */

	fsi_irq_init(fsi, is_play);

	/* irq clear */

	fsi_irq_disable(fsi, is_play);

	fsi_irq_clear_status(fsi);



	/* fifo init */

	fsi_fifo_init(fsi, is_play);



	return ret;

}