| /* 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 0x00 |
| #define MCPDM_REG_SYSCONFIG 0x10 |
| #define MCPDM_REG_IRQSTATUS_RAW 0x24 |
| #define MCPDM_REG_IRQSTATUS 0x28 |
| #define MCPDM_REG_IRQENABLE_SET 0x2C |
| #define MCPDM_REG_IRQENABLE_CLR 0x30 |
| #define MCPDM_REG_IRQWAKE_EN 0x34 |
| #define MCPDM_REG_DMAENABLE_SET 0x38 |
| #define MCPDM_REG_DMAENABLE_CLR 0x3C |
| #define MCPDM_REG_DMAWAKEEN 0x40 |
| #define MCPDM_REG_CTRL 0x44 |
| #define MCPDM_REG_DN_DATA 0x48 |
| #define MCPDM_REG_UP_DATA 0x4C |
| #define MCPDM_REG_FIFO_CTRL_DN 0x50 |
| #define MCPDM_REG_FIFO_CTRL_UP 0x54 |
| #define MCPDM_REG_DN_OFFSET 0x58 |
| |
| /* |
| * 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 0x00F |
| #define MCPDM_UPLINK_IRQ_MASK 0xF00 |
| |
| /* |
| * 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 0x7 |
| #define MCPDM_PDM_DN_MASK (0x1f << 3) |
| |
| |
| #define MCPDM_PDMOUTFORMAT_LJUST (0 << 8) |
| #define MCPDM_PDMOUTFORMAT_RJUST (1 << 8) |
| |
| /* |
| * MCPDM_FIFO_CTRL bit fields |
| */ |
| |
| #define MCPDM_UP_THRES_MAX 0xF |
| #define MCPDM_DN_THRES_MAX 0xF |
| |
| /* |
| * MCPDM_DN_OFFSET bit fields |
| */ |
| |
| #define MCPDM_DN_OFST_RX1_EN (1 << 0) |
| #define MCPDM_DNOFST_RX1(x) ((x & 0x1f) << 1) |
| #define MCPDM_DN_OFST_RX2_EN (1 << 8) |
| #define MCPDM_DNOFST_RX2(x) ((x & 0x1f) << 9) |
| |
| void omap_mcpdm_configure_dn_offsets(struct snd_soc_pcm_runtime *rtd, |
| u8 rx1, u8 rx2); |
| |
| #endif /* End of __OMAP_MCPDM_H__ */ |
