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Commit 65ff03f4 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Mark Brown
Browse files

ASoC: fsi: add valid data position control support 



FSI2 can control valid data position, like
package in front/back or stream  mode (16bit x 2).
But current fsi driver is assuming it was in-back.

Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 20211391

sound/soc/sh/fsi.c

+15 −0
Original line number Diff line number Diff line
@@ -32,7 +32,9 @@ 
#define REG_DIDT	0x0020

#define REG_DODT	0x0024

#define REG_MUTE_ST	0x0028

#define REG_OUT_DMAC	0x002C

#define REG_OUT_SEL	0x0030

#define REG_IN_DMAC	0x0038



/* master register */

#define MST_CLK_RST	0x0210
@@ -886,6 +888,8 @@ static int fsi_hw_startup(struct fsi_priv *fsi, 
			  int is_play,

			  struct device *dev)

{

	struct fsi_master *master = fsi_get_master(fsi);

	int fsi_ver = master->core->ver;

	u32 flags = fsi_get_info_flags(fsi);

	u32 data = 0;
@@ -920,6 +924,17 @@ static int fsi_hw_startup(struct fsi_priv *fsi, 
		fsi_reg_mask_set(fsi, OUT_SEL, DMMD, DMMD);

	}



	/*

	 * FIXME

	 *

	 * FSI driver assumed that data package is in-back.

	 * FSI2 chip can select it.

	 */

	if (fsi_ver >= 2) {

		fsi_reg_write(fsi, OUT_DMAC,	(1 << 4));

		fsi_reg_write(fsi, IN_DMAC,	(1 << 4));

	}



	/* irq clear */

	fsi_irq_disable(fsi, is_play);

	fsi_irq_clear_status(fsi);