134 lines
4.3 KiB
C
134 lines
4.3 KiB
C
/*
|
|
* Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved.
|
|
*
|
|
* 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.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
|
|
#ifndef _MXS_SAIF_H
|
|
#define _MXS_SAIF_H
|
|
|
|
#define SAIF_CTRL 0x0
|
|
#define SAIF_STAT 0x10
|
|
#define SAIF_DATA 0x20
|
|
#define SAIF_VERSION 0X30
|
|
|
|
/* SAIF_CTRL */
|
|
#define BM_SAIF_CTRL_SFTRST 0x80000000
|
|
#define BM_SAIF_CTRL_CLKGATE 0x40000000
|
|
#define BP_SAIF_CTRL_BITCLK_MULT_RATE 27
|
|
#define BM_SAIF_CTRL_BITCLK_MULT_RATE 0x38000000
|
|
#define BF_SAIF_CTRL_BITCLK_MULT_RATE(v) \
|
|
(((v) << 27) & BM_SAIF_CTRL_BITCLK_MULT_RATE)
|
|
#define BM_SAIF_CTRL_BITCLK_BASE_RATE 0x04000000
|
|
#define BM_SAIF_CTRL_FIFO_ERROR_IRQ_EN 0x02000000
|
|
#define BM_SAIF_CTRL_FIFO_SERVICE_IRQ_EN 0x01000000
|
|
#define BP_SAIF_CTRL_RSRVD2 21
|
|
#define BM_SAIF_CTRL_RSRVD2 0x00E00000
|
|
|
|
#define BP_SAIF_CTRL_DMAWAIT_COUNT 16
|
|
#define BM_SAIF_CTRL_DMAWAIT_COUNT 0x001F0000
|
|
#define BF_SAIF_CTRL_DMAWAIT_COUNT(v) \
|
|
(((v) << 16) & BM_SAIF_CTRL_DMAWAIT_COUNT)
|
|
#define BP_SAIF_CTRL_CHANNEL_NUM_SELECT 14
|
|
#define BM_SAIF_CTRL_CHANNEL_NUM_SELECT 0x0000C000
|
|
#define BF_SAIF_CTRL_CHANNEL_NUM_SELECT(v) \
|
|
(((v) << 14) & BM_SAIF_CTRL_CHANNEL_NUM_SELECT)
|
|
#define BM_SAIF_CTRL_LRCLK_PULSE 0x00002000
|
|
#define BM_SAIF_CTRL_BIT_ORDER 0x00001000
|
|
#define BM_SAIF_CTRL_DELAY 0x00000800
|
|
#define BM_SAIF_CTRL_JUSTIFY 0x00000400
|
|
#define BM_SAIF_CTRL_LRCLK_POLARITY 0x00000200
|
|
#define BM_SAIF_CTRL_BITCLK_EDGE 0x00000100
|
|
#define BP_SAIF_CTRL_WORD_LENGTH 4
|
|
#define BM_SAIF_CTRL_WORD_LENGTH 0x000000F0
|
|
#define BF_SAIF_CTRL_WORD_LENGTH(v) \
|
|
(((v) << 4) & BM_SAIF_CTRL_WORD_LENGTH)
|
|
#define BM_SAIF_CTRL_BITCLK_48XFS_ENABLE 0x00000008
|
|
#define BM_SAIF_CTRL_SLAVE_MODE 0x00000004
|
|
#define BM_SAIF_CTRL_READ_MODE 0x00000002
|
|
#define BM_SAIF_CTRL_RUN 0x00000001
|
|
|
|
/* SAIF_STAT */
|
|
#define BM_SAIF_STAT_PRESENT 0x80000000
|
|
#define BP_SAIF_STAT_RSRVD2 17
|
|
#define BM_SAIF_STAT_RSRVD2 0x7FFE0000
|
|
#define BF_SAIF_STAT_RSRVD2(v) \
|
|
(((v) << 17) & BM_SAIF_STAT_RSRVD2)
|
|
#define BM_SAIF_STAT_DMA_PREQ 0x00010000
|
|
#define BP_SAIF_STAT_RSRVD1 7
|
|
#define BM_SAIF_STAT_RSRVD1 0x0000FF80
|
|
#define BF_SAIF_STAT_RSRVD1(v) \
|
|
(((v) << 7) & BM_SAIF_STAT_RSRVD1)
|
|
|
|
#define BM_SAIF_STAT_FIFO_UNDERFLOW_IRQ 0x00000040
|
|
#define BM_SAIF_STAT_FIFO_OVERFLOW_IRQ 0x00000020
|
|
#define BM_SAIF_STAT_FIFO_SERVICE_IRQ 0x00000010
|
|
#define BP_SAIF_STAT_RSRVD0 1
|
|
#define BM_SAIF_STAT_RSRVD0 0x0000000E
|
|
#define BF_SAIF_STAT_RSRVD0(v) \
|
|
(((v) << 1) & BM_SAIF_STAT_RSRVD0)
|
|
#define BM_SAIF_STAT_BUSY 0x00000001
|
|
|
|
/* SAFI_DATA */
|
|
#define BP_SAIF_DATA_PCM_RIGHT 16
|
|
#define BM_SAIF_DATA_PCM_RIGHT 0xFFFF0000
|
|
#define BF_SAIF_DATA_PCM_RIGHT(v) \
|
|
(((v) << 16) & BM_SAIF_DATA_PCM_RIGHT)
|
|
#define BP_SAIF_DATA_PCM_LEFT 0
|
|
#define BM_SAIF_DATA_PCM_LEFT 0x0000FFFF
|
|
#define BF_SAIF_DATA_PCM_LEFT(v) \
|
|
(((v) << 0) & BM_SAIF_DATA_PCM_LEFT)
|
|
|
|
/* SAIF_VERSION */
|
|
#define BP_SAIF_VERSION_MAJOR 24
|
|
#define BM_SAIF_VERSION_MAJOR 0xFF000000
|
|
#define BF_SAIF_VERSION_MAJOR(v) \
|
|
(((v) << 24) & BM_SAIF_VERSION_MAJOR)
|
|
#define BP_SAIF_VERSION_MINOR 16
|
|
#define BM_SAIF_VERSION_MINOR 0x00FF0000
|
|
#define BF_SAIF_VERSION_MINOR(v) \
|
|
(((v) << 16) & BM_SAIF_VERSION_MINOR)
|
|
#define BP_SAIF_VERSION_STEP 0
|
|
#define BM_SAIF_VERSION_STEP 0x0000FFFF
|
|
#define BF_SAIF_VERSION_STEP(v) \
|
|
(((v) << 0) & BM_SAIF_VERSION_STEP)
|
|
|
|
#define MXS_SAIF_MCLK 0
|
|
|
|
#include "mxs-pcm.h"
|
|
|
|
struct mxs_saif {
|
|
struct device *dev;
|
|
struct clk *clk;
|
|
unsigned int mclk;
|
|
unsigned int mclk_in_use;
|
|
void __iomem *base;
|
|
int irq;
|
|
struct mxs_pcm_dma_params dma_param;
|
|
unsigned int id;
|
|
unsigned int master_id;
|
|
unsigned int cur_rate;
|
|
unsigned int ongoing;
|
|
|
|
u32 fifo_underrun;
|
|
u32 fifo_overrun;
|
|
};
|
|
|
|
extern int mxs_saif_put_mclk(unsigned int saif_id);
|
|
extern int mxs_saif_get_mclk(unsigned int saif_id, unsigned int mclk,
|
|
unsigned int rate);
|
|
#endif
|