Linux Audio
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Embedded Linux Audio
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/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved. */ #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; unsigned int id; unsigned int master_id; unsigned int cur_rate; unsigned int ongoing; u32 fifo_underrun; u32 fifo_overrun; enum { MXS_SAIF_STATE_STOPPED, MXS_SAIF_STATE_RUNNING, } state; }; 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
