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kernel/linux-imx6_3.14.28/sound/soc/pxa/mmp-sspa.h 3.26 KB
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  /*
   * linux/sound/soc/pxa/mmp-sspa.h
   *
   * Copyright (C) 2011 Marvell International Ltd.
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 2 of the License, or
   * (at your option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   *
   */
  #ifndef _MMP_SSPA_H
  #define _MMP_SSPA_H
  
  /*
   * SSPA Registers
   */
  #define SSPA_RXD		(0x00)
  #define SSPA_RXID		(0x04)
  #define SSPA_RXCTL		(0x08)
  #define SSPA_RXSP		(0x0c)
  #define SSPA_RXFIFO_UL		(0x10)
  #define SSPA_RXINT_MASK		(0x14)
  #define SSPA_RXC		(0x18)
  #define SSPA_RXFIFO_NOFS	(0x1c)
  #define SSPA_RXFIFO_SIZE	(0x20)
  
  #define SSPA_TXD		(0x80)
  #define SSPA_TXID		(0x84)
  #define SSPA_TXCTL		(0x88)
  #define SSPA_TXSP		(0x8c)
  #define SSPA_TXFIFO_LL		(0x90)
  #define SSPA_TXINT_MASK		(0x94)
  #define SSPA_TXC		(0x98)
  #define SSPA_TXFIFO_NOFS	(0x9c)
  #define SSPA_TXFIFO_SIZE	(0xa0)
  
  /* SSPA Control Register */
  #define	SSPA_CTL_XPH		(1 << 31)	/* Read Phase */
  #define	SSPA_CTL_XFIG		(1 << 15)	/* Transmit Zeros when FIFO Empty */
  #define	SSPA_CTL_JST		(1 << 3)	/* Audio Sample Justification */
  #define	SSPA_CTL_XFRLEN2_MASK	(7 << 24)
  #define	SSPA_CTL_XFRLEN2(x)	((x) << 24)	/* Transmit Frame Length in Phase 2 */
  #define	SSPA_CTL_XWDLEN2_MASK	(7 << 21)
  #define	SSPA_CTL_XWDLEN2(x)	((x) << 21)	/* Transmit Word Length in Phase 2 */
  #define	SSPA_CTL_XDATDLY(x)	((x) << 19)	/* Tansmit Data Delay */
  #define	SSPA_CTL_XSSZ2_MASK	(7 << 16)
  #define	SSPA_CTL_XSSZ2(x)	((x) << 16)	/* Transmit Sample Audio Size */
  #define	SSPA_CTL_XFRLEN1_MASK	(7 << 8)
  #define	SSPA_CTL_XFRLEN1(x)	((x) << 8)	/* Transmit Frame Length in Phase 1 */
  #define	SSPA_CTL_XWDLEN1_MASK	(7 << 5)
  #define	SSPA_CTL_XWDLEN1(x)	((x) << 5)	/* Transmit Word Length in Phase 1 */
  #define	SSPA_CTL_XSSZ1_MASK	(7 << 0)
  #define	SSPA_CTL_XSSZ1(x)	((x) << 0)	/* XSSZ1 */
  
  #define SSPA_CTL_8_BITS		(0x0)		/* Sample Size */
  #define SSPA_CTL_12_BITS	(0x1)
  #define SSPA_CTL_16_BITS	(0x2)
  #define SSPA_CTL_20_BITS	(0x3)
  #define SSPA_CTL_24_BITS	(0x4)
  #define SSPA_CTL_32_BITS	(0x5)
  
  /* SSPA Serial Port Register */
  #define	SSPA_SP_WEN		(1 << 31)	/* Write Configuration Enable */
  #define	SSPA_SP_MSL		(1 << 18)	/* Master Slave Configuration */
  #define	SSPA_SP_CLKP		(1 << 17)	/* CLKP Polarity Clock Edge Select */
  #define	SSPA_SP_FSP		(1 << 16)	/* FSP Polarity Clock Edge Select */
  #define	SSPA_SP_FFLUSH		(1 << 2)	/* FIFO Flush */
  #define	SSPA_SP_S_RST		(1 << 1)	/* Active High Reset Signal */
  #define	SSPA_SP_S_EN		(1 << 0)	/* Serial Clock Domain Enable */
  #define	SSPA_SP_FWID(x)		((x) << 20)	/* Frame-Sync Width */
  #define	SSPA_TXSP_FPER(x)	((x) << 4)	/* Frame-Sync Active */
  
  /* sspa clock sources */
  #define MMP_SSPA_CLK_PLL	0
  #define MMP_SSPA_CLK_VCXO	1
  #define MMP_SSPA_CLK_AUDIO	3
  
  /* sspa pll id */
  #define MMP_SYSCLK		0
  #define MMP_SSPA_CLK		1
  
  #endif /* _MMP_SSPA_H */