/*
* DaVinci Voice Codec Core Interface for TI platforms
*
* Copyright (C) 2010 Texas Instruments, Inc
*
* Author: Miguel Aguilar <[email protected]>
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/

#ifndef __LINUX_MFD_DAVINCI_VOICECODEC_H_
#define __LINUX_MFD_DAVINIC_VOICECODEC_H_

#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/mfd/core.h>
#include <linux/platform_data/edma.h>

#include <mach/hardware.h>

struct regmap;

/*
* Register values.
*/
#define DAVINCI_VC_PID 0x00
#define DAVINCI_VC_CTRL 0x04
#define DAVINCI_VC_INTEN 0x08
#define DAVINCI_VC_INTSTATUS 0x0c
#define DAVINCI_VC_INTCLR 0x10
#define DAVINCI_VC_EMUL_CTRL 0x14
#define DAVINCI_VC_RFIFO 0x20
#define DAVINCI_VC_WFIFO 0x24
#define DAVINCI_VC_FIFOSTAT 0x28
#define DAVINCI_VC_TST_CTRL 0x2C
#define DAVINCI_VC_REG05 0x94
#define DAVINCI_VC_REG09 0xA4
#define DAVINCI_VC_REG12 0xB0

/* DAVINCI_VC_CTRL bit fields */
#define DAVINCI_VC_CTRL_MASK 0x5500
#define DAVINCI_VC_CTRL_RSTADC BIT(0)
#define DAVINCI_VC_CTRL_RSTDAC BIT(1)
#define DAVINCI_VC_CTRL_RD_BITS_8 BIT(4)
#define DAVINCI_VC_CTRL_RD_UNSIGNED BIT(5)
#define DAVINCI_VC_CTRL_WD_BITS_8 BIT(6)
#define DAVINCI_VC_CTRL_WD_UNSIGNED BIT(7)
#define DAVINCI_VC_CTRL_RFIFOEN BIT(8)
#define DAVINCI_VC_CTRL_RFIFOCL BIT(9)
#define DAVINCI_VC_CTRL_RFIFOMD_WORD_1 BIT(10)
#define DAVINCI_VC_CTRL_WFIFOEN BIT(12)
#define DAVINCI_VC_CTRL_WFIFOCL BIT(13)
#define DAVINCI_VC_CTRL_WFIFOMD_WORD_1 BIT(14)

/* DAVINCI_VC_INT bit fields */
#define DAVINCI_VC_INT_MASK 0x3F
#define DAVINCI_VC_INT_RDRDY_MASK BIT(0)
#define DAVINCI_VC_INT_RERROVF_MASK BIT(1)
#define DAVINCI_VC_INT_RERRUDR_MASK BIT(2)
#define DAVINCI_VC_INT_WDREQ_MASK BIT(3)
#define DAVINCI_VC_INT_WERROVF_MASKBIT BIT(4)
#define DAVINCI_VC_INT_WERRUDR_MASK BIT(5)

/* DAVINCI_VC_REG05 bit fields */
#define DAVINCI_VC_REG05_PGA_GAIN 0x07

/* DAVINCI_VC_REG09 bit fields */
#define DAVINCI_VC_REG09_MUTE 0x40
#define DAVINCI_VC_REG09_DIG_ATTEN 0x3F

/* DAVINCI_VC_REG12 bit fields */
#define DAVINCI_VC_REG12_POWER_ALL_ON 0xFD
#define DAVINCI_VC_REG12_POWER_ALL_OFF 0x00

#define DAVINCI_VC_CELLS 2

enum davinci_vc_cells {
DAVINCI_VC_VCIF_CELL,
DAVINCI_VC_CQ93VC_CELL,
};

struct davinci_vcif {
struct platform_device *pdev;
u32 dma_tx_channel;
u32 dma_rx_channel;
dma_addr_t dma_tx_addr;
dma_addr_t dma_rx_addr;
};

struct cq93vc {
struct platform_device *pdev;
struct snd_soc_codec *codec;
u32 sysclk;
};

struct davinci_vc;

struct davinci_vc {
/* Device data */
struct device *dev;
struct platform_device *pdev;
struct clk *clk;

/* Memory resources */
void __iomem *base;
struct regmap *regmap;

/* MFD cells */
struct mfd_cell cells[DAVINCI_VC_CELLS];

/* Client devices */
struct davinci_vcif davinci_vcif;
struct cq93vc cq93vc;
};

#endif