davinci_voicecodec.h (2658B)
1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * DaVinci Voice Codec Core Interface for TI platforms 4 * 5 * Copyright (C) 2010 Texas Instruments, Inc 6 * 7 * Author: Miguel Aguilar <miguel.aguilar@ridgerun.com> 8 */ 9 10#ifndef __LINUX_MFD_DAVINCI_VOICECODEC_H_ 11#define __LINUX_MFD_DAVINCI_VOICECODEC_H_ 12 13#include <linux/kernel.h> 14#include <linux/platform_device.h> 15#include <linux/mfd/core.h> 16#include <linux/platform_data/edma.h> 17 18struct regmap; 19 20/* 21 * Register values. 22 */ 23#define DAVINCI_VC_PID 0x00 24#define DAVINCI_VC_CTRL 0x04 25#define DAVINCI_VC_INTEN 0x08 26#define DAVINCI_VC_INTSTATUS 0x0c 27#define DAVINCI_VC_INTCLR 0x10 28#define DAVINCI_VC_EMUL_CTRL 0x14 29#define DAVINCI_VC_RFIFO 0x20 30#define DAVINCI_VC_WFIFO 0x24 31#define DAVINCI_VC_FIFOSTAT 0x28 32#define DAVINCI_VC_TST_CTRL 0x2C 33#define DAVINCI_VC_REG05 0x94 34#define DAVINCI_VC_REG09 0xA4 35#define DAVINCI_VC_REG12 0xB0 36 37/* DAVINCI_VC_CTRL bit fields */ 38#define DAVINCI_VC_CTRL_MASK 0x5500 39#define DAVINCI_VC_CTRL_RSTADC BIT(0) 40#define DAVINCI_VC_CTRL_RSTDAC BIT(1) 41#define DAVINCI_VC_CTRL_RD_BITS_8 BIT(4) 42#define DAVINCI_VC_CTRL_RD_UNSIGNED BIT(5) 43#define DAVINCI_VC_CTRL_WD_BITS_8 BIT(6) 44#define DAVINCI_VC_CTRL_WD_UNSIGNED BIT(7) 45#define DAVINCI_VC_CTRL_RFIFOEN BIT(8) 46#define DAVINCI_VC_CTRL_RFIFOCL BIT(9) 47#define DAVINCI_VC_CTRL_RFIFOMD_WORD_1 BIT(10) 48#define DAVINCI_VC_CTRL_WFIFOEN BIT(12) 49#define DAVINCI_VC_CTRL_WFIFOCL BIT(13) 50#define DAVINCI_VC_CTRL_WFIFOMD_WORD_1 BIT(14) 51 52/* DAVINCI_VC_INT bit fields */ 53#define DAVINCI_VC_INT_MASK 0x3F 54#define DAVINCI_VC_INT_RDRDY_MASK BIT(0) 55#define DAVINCI_VC_INT_RERROVF_MASK BIT(1) 56#define DAVINCI_VC_INT_RERRUDR_MASK BIT(2) 57#define DAVINCI_VC_INT_WDREQ_MASK BIT(3) 58#define DAVINCI_VC_INT_WERROVF_MASKBIT BIT(4) 59#define DAVINCI_VC_INT_WERRUDR_MASK BIT(5) 60 61/* DAVINCI_VC_REG05 bit fields */ 62#define DAVINCI_VC_REG05_PGA_GAIN 0x07 63 64/* DAVINCI_VC_REG09 bit fields */ 65#define DAVINCI_VC_REG09_MUTE 0x40 66#define DAVINCI_VC_REG09_DIG_ATTEN 0x3F 67 68/* DAVINCI_VC_REG12 bit fields */ 69#define DAVINCI_VC_REG12_POWER_ALL_ON 0xFD 70#define DAVINCI_VC_REG12_POWER_ALL_OFF 0x00 71 72#define DAVINCI_VC_CELLS 2 73 74enum davinci_vc_cells { 75 DAVINCI_VC_VCIF_CELL, 76 DAVINCI_VC_CQ93VC_CELL, 77}; 78 79struct davinci_vcif { 80 struct platform_device *pdev; 81 u32 dma_tx_channel; 82 u32 dma_rx_channel; 83 dma_addr_t dma_tx_addr; 84 dma_addr_t dma_rx_addr; 85}; 86 87struct davinci_vc { 88 /* Device data */ 89 struct device *dev; 90 struct platform_device *pdev; 91 struct clk *clk; 92 93 /* Memory resources */ 94 void __iomem *base; 95 struct regmap *regmap; 96 97 /* MFD cells */ 98 struct mfd_cell cells[DAVINCI_VC_CELLS]; 99 100 /* Client devices */ 101 struct davinci_vcif davinci_vcif; 102}; 103 104#endif