sound/soc/ti/omap-mcbsp.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * omap-mcbsp.h
   4  *
   5  * Copyright (C) 2008 Nokia Corporation
   6  *
   7  * Contact: Jarkko Nikula <jarkko.nikula@bitmer.com>
   8  *          Peter Ujfalusi <peter.ujfalusi@ti.com>
   9  */
  10
  11 #ifndef __OMAP_MCBSP_H__
  12 #define __OMAP_MCBSP_H__
  13
  14 #include <sound/dmaengine_pcm.h>
  15
  16 /* Source clocks for McBSP sample rate generator */
  17 enum omap_mcbsp_clksrg_clk {
  18         OMAP_MCBSP_SYSCLK_CLKS_FCLK,    /* Internal FCLK */
  19         OMAP_MCBSP_SYSCLK_CLKS_EXT,     /* External CLKS pin */
  20         OMAP_MCBSP_SYSCLK_CLK,          /* Internal ICLK */
  21         OMAP_MCBSP_SYSCLK_CLKX_EXT,     /* External CLKX pin */
  22         OMAP_MCBSP_SYSCLK_CLKR_EXT,     /* External CLKR pin */
  23 };
  24
  25 /* McBSP dividers */
  26 enum omap_mcbsp_div {
  27         OMAP_MCBSP_CLKGDV,              /* Sample rate generator divider */
  28 };
  29
  30 int omap_mcbsp_st_add_controls(struct snd_soc_pcm_runtime *rtd, int port_id);
  31
  32 #endif /* __OMAP_MCBSP_H__ */