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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/sound/soc/omap/omap-mcbsp.h
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/*

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 * omap-mcbsp.h

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 *

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 * Copyright (C) 2008 Nokia Corporation

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 *

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 * Contact: Jarkko Nikula <[email protected]>

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 *          Peter Ujfalusi <[email protected]>

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 *

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 * This program is free software; you can redistribute it and/or

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 * modify it under the terms of the GNU General Public License

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 * version 2 as published by the Free Software Foundation.

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 *

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 * This program is distributed in the hope that it will be useful, but

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 * WITHOUT ANY WARRANTY; without even the implied warranty of

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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

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 * General Public License for more details.

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 *

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 * You should have received a copy of the GNU General Public License

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 * along with this program; if not, write to the Free Software

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 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA

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 * 02110-1301 USA

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 *

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 */

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#ifndef __OMAP_I2S_H__

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#define __OMAP_I2S_H__

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/* Source clocks for McBSP sample rate generator */

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enum omap_mcbsp_clksrg_clk {

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	OMAP_MCBSP_SYSCLK_CLKS_FCLK,	/* Internal FCLK */

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	OMAP_MCBSP_SYSCLK_CLKS_EXT,	/* External CLKS pin */

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	OMAP_MCBSP_SYSCLK_CLK,		/* Internal ICLK */

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	OMAP_MCBSP_SYSCLK_CLKX_EXT,	/* External CLKX pin */

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	OMAP_MCBSP_SYSCLK_CLKR_EXT,	/* External CLKR pin */

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	OMAP_MCBSP_CLKR_SRC_CLKR,	/* CLKR from CLKR pin */

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	OMAP_MCBSP_CLKR_SRC_CLKX,	/* CLKR from CLKX pin */

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	OMAP_MCBSP_FSR_SRC_FSR,		/* FSR from FSR pin */

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	OMAP_MCBSP_FSR_SRC_FSX,		/* FSR from FSX pin */

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};

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/* McBSP dividers */

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enum omap_mcbsp_div {

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	OMAP_MCBSP_CLKGDV,		/* Sample rate generator divider */

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};

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#if defined(CONFIG_SOC_OMAP2420)

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#define NUM_LINKS	2

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#endif

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#if defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX)

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#undef  NUM_LINKS

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#define NUM_LINKS	3

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#endif

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#if defined(CONFIG_ARCH_OMAP4)

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#undef  NUM_LINKS

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#define NUM_LINKS	4

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#endif

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#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_SOC_OMAP2430)

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#undef  NUM_LINKS

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#define NUM_LINKS	5

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#endif

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int omap_mcbsp_st_add_controls(struct snd_soc_codec *codec, int mcbsp_id);

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#endif

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