xref: /openbmc/linux/sound/soc/ti/omap-mcbsp.h (revision 1f327613)
1 /*
2  * omap-mcbsp.h
3  *
4  * Copyright (C) 2008 Nokia Corporation
5  *
6  * Contact: Jarkko Nikula <jarkko.nikula@bitmer.com>
7  *          Peter Ujfalusi <peter.ujfalusi@ti.com>
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License
11  * version 2 as published by the Free Software Foundation.
12  *
13  * This program is distributed in the hope that it will be useful, but
14  * WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16  * General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
21  * 02110-1301 USA
22  *
23  */
24 
25 #ifndef __OMAP_MCBSP_H__
26 #define __OMAP_MCBSP_H__
27 
28 #include <sound/dmaengine_pcm.h>
29 
30 /* Source clocks for McBSP sample rate generator */
31 enum omap_mcbsp_clksrg_clk {
32 	OMAP_MCBSP_SYSCLK_CLKS_FCLK,	/* Internal FCLK */
33 	OMAP_MCBSP_SYSCLK_CLKS_EXT,	/* External CLKS pin */
34 	OMAP_MCBSP_SYSCLK_CLK,		/* Internal ICLK */
35 	OMAP_MCBSP_SYSCLK_CLKX_EXT,	/* External CLKX pin */
36 	OMAP_MCBSP_SYSCLK_CLKR_EXT,	/* External CLKR pin */
37 };
38 
39 /* McBSP dividers */
40 enum omap_mcbsp_div {
41 	OMAP_MCBSP_CLKGDV,		/* Sample rate generator divider */
42 };
43 
44 int omap_mcbsp_st_add_controls(struct snd_soc_pcm_runtime *rtd, int port_id);
45 
46 #endif /* __OMAP_MCBSP_H__ */
47