mmp-sspa.h
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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 */