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Diffstat (limited to 'sound/soc/mxs/mxs-saif.h')
| -rw-r--r-- | sound/soc/mxs/mxs-saif.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/sound/soc/mxs/mxs-saif.h b/sound/soc/mxs/mxs-saif.h new file mode 100644 index 000000000..9a4c0b291 --- /dev/null +++ b/sound/soc/mxs/mxs-saif.h @@ -0,0 +1,136 @@ +/* + * 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; + 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 |