118 lines
3.2 KiB
C
118 lines
3.2 KiB
C
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/*
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* DaVinci Voice Codec Core Interface for TI platforms
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*
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* Copyright (C) 2010 Texas Instruments, Inc
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*
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* Author: Miguel Aguilar <miguel.aguilar@ridgerun.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __LINUX_MFD_DAVINCI_VOICECODEC_H_
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#define __LINUX_MFD_DAVINCI_VOICECODEC_H_
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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#include <linux/mfd/core.h>
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#include <linux/platform_data/edma.h>
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struct regmap;
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/*
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* Register values.
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*/
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#define DAVINCI_VC_PID 0x00
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#define DAVINCI_VC_CTRL 0x04
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#define DAVINCI_VC_INTEN 0x08
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#define DAVINCI_VC_INTSTATUS 0x0c
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#define DAVINCI_VC_INTCLR 0x10
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#define DAVINCI_VC_EMUL_CTRL 0x14
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#define DAVINCI_VC_RFIFO 0x20
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#define DAVINCI_VC_WFIFO 0x24
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#define DAVINCI_VC_FIFOSTAT 0x28
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#define DAVINCI_VC_TST_CTRL 0x2C
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#define DAVINCI_VC_REG05 0x94
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#define DAVINCI_VC_REG09 0xA4
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#define DAVINCI_VC_REG12 0xB0
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/* DAVINCI_VC_CTRL bit fields */
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#define DAVINCI_VC_CTRL_MASK 0x5500
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#define DAVINCI_VC_CTRL_RSTADC BIT(0)
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#define DAVINCI_VC_CTRL_RSTDAC BIT(1)
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#define DAVINCI_VC_CTRL_RD_BITS_8 BIT(4)
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#define DAVINCI_VC_CTRL_RD_UNSIGNED BIT(5)
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#define DAVINCI_VC_CTRL_WD_BITS_8 BIT(6)
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#define DAVINCI_VC_CTRL_WD_UNSIGNED BIT(7)
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#define DAVINCI_VC_CTRL_RFIFOEN BIT(8)
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#define DAVINCI_VC_CTRL_RFIFOCL BIT(9)
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#define DAVINCI_VC_CTRL_RFIFOMD_WORD_1 BIT(10)
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#define DAVINCI_VC_CTRL_WFIFOEN BIT(12)
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#define DAVINCI_VC_CTRL_WFIFOCL BIT(13)
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#define DAVINCI_VC_CTRL_WFIFOMD_WORD_1 BIT(14)
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/* DAVINCI_VC_INT bit fields */
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#define DAVINCI_VC_INT_MASK 0x3F
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#define DAVINCI_VC_INT_RDRDY_MASK BIT(0)
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#define DAVINCI_VC_INT_RERROVF_MASK BIT(1)
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#define DAVINCI_VC_INT_RERRUDR_MASK BIT(2)
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#define DAVINCI_VC_INT_WDREQ_MASK BIT(3)
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#define DAVINCI_VC_INT_WERROVF_MASKBIT BIT(4)
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#define DAVINCI_VC_INT_WERRUDR_MASK BIT(5)
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/* DAVINCI_VC_REG05 bit fields */
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#define DAVINCI_VC_REG05_PGA_GAIN 0x07
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/* DAVINCI_VC_REG09 bit fields */
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#define DAVINCI_VC_REG09_MUTE 0x40
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#define DAVINCI_VC_REG09_DIG_ATTEN 0x3F
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/* DAVINCI_VC_REG12 bit fields */
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#define DAVINCI_VC_REG12_POWER_ALL_ON 0xFD
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#define DAVINCI_VC_REG12_POWER_ALL_OFF 0x00
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#define DAVINCI_VC_CELLS 2
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enum davinci_vc_cells {
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DAVINCI_VC_VCIF_CELL,
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DAVINCI_VC_CQ93VC_CELL,
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};
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struct davinci_vcif {
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struct platform_device *pdev;
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u32 dma_tx_channel;
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u32 dma_rx_channel;
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dma_addr_t dma_tx_addr;
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dma_addr_t dma_rx_addr;
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};
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struct davinci_vc {
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/* Device data */
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struct device *dev;
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struct platform_device *pdev;
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struct clk *clk;
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/* Memory resources */
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void __iomem *base;
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struct regmap *regmap;
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/* MFD cells */
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struct mfd_cell cells[DAVINCI_VC_CELLS];
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/* Client devices */
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struct davinci_vcif davinci_vcif;
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};
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#endif
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