1/* 2 * omap-mcpdm.h 3 * 4 * Copyright (C) 2009 - 2011 Texas Instruments 5 * 6 * Contact: Misael Lopez Cruz <misael.lopez@ti.com> 7 * 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License 10 * version 2 as published by the Free Software Foundation. 11 * 12 * This program is distributed in the hope that it will be useful, but 13 * WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 20 * 02110-1301 USA 21 * 22 */ 23 24#ifndef __OMAP_MCPDM_H__ 25#define __OMAP_MCPDM_H__ 26 27#define MCPDM_REG_REVISION 0x00 28#define MCPDM_REG_SYSCONFIG 0x10 29#define MCPDM_REG_IRQSTATUS_RAW 0x24 30#define MCPDM_REG_IRQSTATUS 0x28 31#define MCPDM_REG_IRQENABLE_SET 0x2C 32#define MCPDM_REG_IRQENABLE_CLR 0x30 33#define MCPDM_REG_IRQWAKE_EN 0x34 34#define MCPDM_REG_DMAENABLE_SET 0x38 35#define MCPDM_REG_DMAENABLE_CLR 0x3C 36#define MCPDM_REG_DMAWAKEEN 0x40 37#define MCPDM_REG_CTRL 0x44 38#define MCPDM_REG_DN_DATA 0x48 39#define MCPDM_REG_UP_DATA 0x4C 40#define MCPDM_REG_FIFO_CTRL_DN 0x50 41#define MCPDM_REG_FIFO_CTRL_UP 0x54 42#define MCPDM_REG_DN_OFFSET 0x58 43 44/* 45 * MCPDM_IRQ bit fields 46 * IRQSTATUS_RAW, IRQSTATUS, IRQENABLE_SET, IRQENABLE_CLR 47 */ 48 49#define MCPDM_DN_IRQ (1 << 0) 50#define MCPDM_DN_IRQ_EMPTY (1 << 1) 51#define MCPDM_DN_IRQ_ALMST_EMPTY (1 << 2) 52#define MCPDM_DN_IRQ_FULL (1 << 3) 53 54#define MCPDM_UP_IRQ (1 << 8) 55#define MCPDM_UP_IRQ_EMPTY (1 << 9) 56#define MCPDM_UP_IRQ_ALMST_FULL (1 << 10) 57#define MCPDM_UP_IRQ_FULL (1 << 11) 58 59#define MCPDM_DOWNLINK_IRQ_MASK 0x00F 60#define MCPDM_UPLINK_IRQ_MASK 0xF00 61 62/* 63 * MCPDM_DMAENABLE bit fields 64 */ 65 66#define MCPDM_DMA_DN_ENABLE (1 << 0) 67#define MCPDM_DMA_UP_ENABLE (1 << 1) 68 69/* 70 * MCPDM_CTRL bit fields 71 */ 72 73#define MCPDM_PDM_UPLINK_EN(x) (1 << (x - 1)) /* ch1 is at bit 0 */ 74#define MCPDM_PDM_DOWNLINK_EN(x) (1 << (x + 2)) /* ch1 is at bit 3 */ 75#define MCPDM_PDMOUTFORMAT (1 << 8) 76#define MCPDM_CMD_INT (1 << 9) 77#define MCPDM_STATUS_INT (1 << 10) 78#define MCPDM_SW_UP_RST (1 << 11) 79#define MCPDM_SW_DN_RST (1 << 12) 80#define MCPDM_WD_EN (1 << 14) 81#define MCPDM_PDM_UP_MASK 0x7 82#define MCPDM_PDM_DN_MASK (0x1f << 3) 83 84 85#define MCPDM_PDMOUTFORMAT_LJUST (0 << 8) 86#define MCPDM_PDMOUTFORMAT_RJUST (1 << 8) 87 88/* 89 * MCPDM_FIFO_CTRL bit fields 90 */ 91 92#define MCPDM_UP_THRES_MAX 0xF 93#define MCPDM_DN_THRES_MAX 0xF 94 95/* 96 * MCPDM_DN_OFFSET bit fields 97 */ 98 99#define MCPDM_DN_OFST_RX1_EN (1 << 0) 100#define MCPDM_DNOFST_RX1(x) ((x & 0x1f) << 1) 101#define MCPDM_DN_OFST_RX2_EN (1 << 8) 102#define MCPDM_DNOFST_RX2(x) ((x & 0x1f) << 9) 103 104void omap_mcpdm_configure_dn_offsets(struct snd_soc_pcm_runtime *rtd, 105 u8 rx1, u8 rx2); 106 107#endif /* End of __OMAP_MCPDM_H__ */ 108