/* SPDX-License-Identifier: GPL-2.0-only */
/*
* omap-mcpdm.h
*
* Copyright (C) 2009 - 2011 Texas Instruments
*
* Contact: Misael Lopez Cruz <misael.lopez@ti.com>
*/
#ifndef __OMAP_MCPDM_H__
#define __OMAP_MCPDM_H__
#define MCPDM_REG_REVISION 0 x00
#define MCPDM_REG_SYSCONFIG 0 x10
#define MCPDM_REG_IRQSTATUS_RAW 0 x24
#define MCPDM_REG_IRQSTATUS 0 x28
#define MCPDM_REG_IRQENABLE_SET 0 x2C
#define MCPDM_REG_IRQENABLE_CLR 0 x30
#define MCPDM_REG_IRQWAKE_EN 0 x34
#define MCPDM_REG_DMAENABLE_SET 0 x38
#define MCPDM_REG_DMAENABLE_CLR 0 x3C
#define MCPDM_REG_DMAWAKEEN 0 x40
#define MCPDM_REG_CTRL 0 x44
#define MCPDM_REG_DN_DATA 0 x48
#define MCPDM_REG_UP_DATA 0 x4C
#define MCPDM_REG_FIFO_CTRL_DN 0 x50
#define MCPDM_REG_FIFO_CTRL_UP 0 x54
#define MCPDM_REG_DN_OFFSET 0 x58
/*
* MCPDM_IRQ bit fields
* IRQSTATUS_RAW, IRQSTATUS, IRQENABLE_SET, IRQENABLE_CLR
*/
#define MCPDM_DN_IRQ (1 << 0 )
#define MCPDM_DN_IRQ_EMPTY (1 << 1 )
#define MCPDM_DN_IRQ_ALMST_EMPTY (1 << 2 )
#define MCPDM_DN_IRQ_FULL (1 << 3 )
#define MCPDM_UP_IRQ (1 << 8 )
#define MCPDM_UP_IRQ_EMPTY (1 << 9 )
#define MCPDM_UP_IRQ_ALMST_FULL (1 << 10 )
#define MCPDM_UP_IRQ_FULL (1 << 11 )
#define MCPDM_DOWNLINK_IRQ_MASK 0 x00F
#define MCPDM_UPLINK_IRQ_MASK 0 xF00
/*
* MCPDM_DMAENABLE bit fields
*/
#define MCPDM_DMA_DN_ENABLE (1 << 0 )
#define MCPDM_DMA_UP_ENABLE (1 << 1 )
/*
* MCPDM_CTRL bit fields
*/
#define MCPDM_PDM_UPLINK_EN(x) (1 << (x - 1 )) /* ch1 is at bit 0 */
#define MCPDM_PDM_DOWNLINK_EN(x) (1 << (x + 2 )) /* ch1 is at bit 3 */
#define MCPDM_PDMOUTFORMAT (1 << 8 )
#define MCPDM_CMD_INT (1 << 9 )
#define MCPDM_STATUS_INT (1 << 10 )
#define MCPDM_SW_UP_RST (1 << 11 )
#define MCPDM_SW_DN_RST (1 << 12 )
#define MCPDM_WD_EN (1 << 14 )
#define MCPDM_PDM_UP_MASK 0 x7
#define MCPDM_PDM_DN_MASK (0 x1f << 3 )
#define MCPDM_PDMOUTFORMAT_LJUST (0 << 8 )
#define MCPDM_PDMOUTFORMAT_RJUST (1 << 8 )
/*
* MCPDM_FIFO_CTRL bit fields
*/
#define MCPDM_UP_THRES_MAX 0 xF
#define MCPDM_DN_THRES_MAX 0 xF
/*
* MCPDM_DN_OFFSET bit fields
*/
#define MCPDM_DN_OFST_RX1_EN (1 << 0 )
#define MCPDM_DNOFST_RX1(x) ((x & 0 x1f) << 1 )
#define MCPDM_DN_OFST_RX2_EN (1 << 8 )
#define MCPDM_DNOFST_RX2(x) ((x & 0 x1f) << 9 )
void omap_mcpdm_configure_dn_offsets(struct snd_soc_pcm_runtime *rtd,
u8 rx1, u8 rx2);
#endif /* End of __OMAP_MCPDM_H__ */
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(vorverarbeitet am 2026-06-08)
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