290 lines
7.5 KiB
C
290 lines
7.5 KiB
C
/*
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* ALSA SoC McASP Audio Layer for TI DAVINCI processor
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*
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* MCASP related definitions
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*
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* Author: Nirmal Pandey <n-pandey@ti.com>,
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* Suresh Rajashekara <suresh.r@ti.com>
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* Steve Chen <schen@.mvista.com>
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*
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* Copyright: (C) 2009 MontaVista Software, Inc., <source@mvista.com>
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* Copyright: (C) 2009 Texas Instruments, India
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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 version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef DAVINCI_MCASP_H
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#define DAVINCI_MCASP_H
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/*
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* McASP register definitions
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*/
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#define DAVINCI_MCASP_PID_REG 0x00
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#define DAVINCI_MCASP_PWREMUMGT_REG 0x04
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#define DAVINCI_MCASP_PFUNC_REG 0x10
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#define DAVINCI_MCASP_PDIR_REG 0x14
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#define DAVINCI_MCASP_PDOUT_REG 0x18
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#define DAVINCI_MCASP_PDSET_REG 0x1c
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#define DAVINCI_MCASP_PDCLR_REG 0x20
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#define DAVINCI_MCASP_TLGC_REG 0x30
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#define DAVINCI_MCASP_TLMR_REG 0x34
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#define DAVINCI_MCASP_GBLCTL_REG 0x44
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#define DAVINCI_MCASP_AMUTE_REG 0x48
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#define DAVINCI_MCASP_LBCTL_REG 0x4c
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#define DAVINCI_MCASP_TXDITCTL_REG 0x50
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#define DAVINCI_MCASP_GBLCTLR_REG 0x60
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#define DAVINCI_MCASP_RXMASK_REG 0x64
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#define DAVINCI_MCASP_RXFMT_REG 0x68
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#define DAVINCI_MCASP_RXFMCTL_REG 0x6c
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#define DAVINCI_MCASP_ACLKRCTL_REG 0x70
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#define DAVINCI_MCASP_AHCLKRCTL_REG 0x74
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#define DAVINCI_MCASP_RXTDM_REG 0x78
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#define DAVINCI_MCASP_EVTCTLR_REG 0x7c
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#define DAVINCI_MCASP_RXSTAT_REG 0x80
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#define DAVINCI_MCASP_RXTDMSLOT_REG 0x84
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#define DAVINCI_MCASP_RXCLKCHK_REG 0x88
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#define DAVINCI_MCASP_REVTCTL_REG 0x8c
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#define DAVINCI_MCASP_GBLCTLX_REG 0xa0
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#define DAVINCI_MCASP_TXMASK_REG 0xa4
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#define DAVINCI_MCASP_TXFMT_REG 0xa8
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#define DAVINCI_MCASP_TXFMCTL_REG 0xac
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#define DAVINCI_MCASP_ACLKXCTL_REG 0xb0
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#define DAVINCI_MCASP_AHCLKXCTL_REG 0xb4
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#define DAVINCI_MCASP_TXTDM_REG 0xb8
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#define DAVINCI_MCASP_EVTCTLX_REG 0xbc
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#define DAVINCI_MCASP_TXSTAT_REG 0xc0
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#define DAVINCI_MCASP_TXTDMSLOT_REG 0xc4
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#define DAVINCI_MCASP_TXCLKCHK_REG 0xc8
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#define DAVINCI_MCASP_XEVTCTL_REG 0xcc
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/* Left(even TDM Slot) Channel Status Register File */
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#define DAVINCI_MCASP_DITCSRA_REG 0x100
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/* Right(odd TDM slot) Channel Status Register File */
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#define DAVINCI_MCASP_DITCSRB_REG 0x118
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/* Left(even TDM slot) User Data Register File */
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#define DAVINCI_MCASP_DITUDRA_REG 0x130
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/* Right(odd TDM Slot) User Data Register File */
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#define DAVINCI_MCASP_DITUDRB_REG 0x148
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/* Serializer n Control Register */
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#define DAVINCI_MCASP_XRSRCTL_BASE_REG 0x180
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#define DAVINCI_MCASP_XRSRCTL_REG(n) (DAVINCI_MCASP_XRSRCTL_BASE_REG + \
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(n << 2))
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/* Transmit Buffer for Serializer n */
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#define DAVINCI_MCASP_TXBUF_REG 0x200
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/* Receive Buffer for Serializer n */
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#define DAVINCI_MCASP_RXBUF_REG 0x280
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/* McASP FIFO Registers */
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#define DAVINCI_MCASP_V2_AFIFO_BASE (0x1010)
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#define DAVINCI_MCASP_V3_AFIFO_BASE (0x1000)
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/* FIFO register offsets from AFIFO base */
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#define MCASP_WFIFOCTL_OFFSET (0x0)
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#define MCASP_WFIFOSTS_OFFSET (0x4)
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#define MCASP_RFIFOCTL_OFFSET (0x8)
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#define MCASP_RFIFOSTS_OFFSET (0xc)
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/*
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* DAVINCI_MCASP_PWREMUMGT_REG - Power Down and Emulation Management
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* Register Bits
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*/
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#define MCASP_FREE BIT(0)
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#define MCASP_SOFT BIT(1)
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/*
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* DAVINCI_MCASP_PFUNC_REG - Pin Function / GPIO Enable Register Bits
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*/
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#define AXR(n) (1<<n)
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#define PFUNC_AMUTE BIT(25)
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#define ACLKX BIT(26)
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#define AHCLKX BIT(27)
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#define AFSX BIT(28)
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#define ACLKR BIT(29)
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#define AHCLKR BIT(30)
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#define AFSR BIT(31)
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/*
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* DAVINCI_MCASP_PDIR_REG - Pin Direction Register Bits
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*/
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#define AXR(n) (1<<n)
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#define PDIR_AMUTE BIT(25)
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#define ACLKX BIT(26)
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#define AHCLKX BIT(27)
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#define AFSX BIT(28)
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#define ACLKR BIT(29)
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#define AHCLKR BIT(30)
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#define AFSR BIT(31)
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/*
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* DAVINCI_MCASP_TXDITCTL_REG - Transmit DIT Control Register Bits
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*/
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#define DITEN BIT(0) /* Transmit DIT mode enable/disable */
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#define VA BIT(2)
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#define VB BIT(3)
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/*
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* DAVINCI_MCASP_TXFMT_REG - Transmit Bitstream Format Register Bits
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*/
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#define TXROT(val) (val)
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#define TXSEL BIT(3)
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#define TXSSZ(val) (val<<4)
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#define TXPBIT(val) (val<<8)
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#define TXPAD(val) (val<<13)
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#define TXORD BIT(15)
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#define FSXDLY(val) (val<<16)
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/*
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* DAVINCI_MCASP_RXFMT_REG - Receive Bitstream Format Register Bits
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*/
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#define RXROT(val) (val)
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#define RXSEL BIT(3)
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#define RXSSZ(val) (val<<4)
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#define RXPBIT(val) (val<<8)
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#define RXPAD(val) (val<<13)
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#define RXORD BIT(15)
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#define FSRDLY(val) (val<<16)
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/*
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* DAVINCI_MCASP_TXFMCTL_REG - Transmit Frame Control Register Bits
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*/
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#define FSXPOL BIT(0)
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#define AFSXE BIT(1)
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#define FSXDUR BIT(4)
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#define FSXMOD(val) (val<<7)
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/*
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* DAVINCI_MCASP_RXFMCTL_REG - Receive Frame Control Register Bits
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*/
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#define FSRPOL BIT(0)
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#define AFSRE BIT(1)
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#define FSRDUR BIT(4)
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#define FSRMOD(val) (val<<7)
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/*
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* DAVINCI_MCASP_ACLKXCTL_REG - Transmit Clock Control Register Bits
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*/
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#define ACLKXDIV(val) (val)
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#define ACLKXE BIT(5)
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#define TX_ASYNC BIT(6)
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#define ACLKXPOL BIT(7)
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#define ACLKXDIV_MASK 0x1f
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/*
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* DAVINCI_MCASP_ACLKRCTL_REG Receive Clock Control Register Bits
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*/
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#define ACLKRDIV(val) (val)
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#define ACLKRE BIT(5)
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#define RX_ASYNC BIT(6)
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#define ACLKRPOL BIT(7)
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#define ACLKRDIV_MASK 0x1f
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/*
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* DAVINCI_MCASP_AHCLKXCTL_REG - High Frequency Transmit Clock Control
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* Register Bits
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*/
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#define AHCLKXDIV(val) (val)
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#define AHCLKXPOL BIT(14)
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#define AHCLKXE BIT(15)
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#define AHCLKXDIV_MASK 0xfff
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/*
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* DAVINCI_MCASP_AHCLKRCTL_REG - High Frequency Receive Clock Control
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* Register Bits
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*/
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#define AHCLKRDIV(val) (val)
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#define AHCLKRPOL BIT(14)
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#define AHCLKRE BIT(15)
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#define AHCLKRDIV_MASK 0xfff
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/*
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* DAVINCI_MCASP_XRSRCTL_BASE_REG - Serializer Control Register Bits
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*/
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#define MODE(val) (val)
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#define DISMOD (val)(val<<2)
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#define TXSTATE BIT(4)
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#define RXSTATE BIT(5)
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#define SRMOD_MASK 3
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#define SRMOD_INACTIVE 0
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/*
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* DAVINCI_MCASP_LBCTL_REG - Loop Back Control Register Bits
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*/
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#define LBEN BIT(0)
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#define LBORD BIT(1)
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#define LBGENMODE(val) (val<<2)
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/*
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* DAVINCI_MCASP_TXTDMSLOT_REG - Transmit TDM Slot Register configuration
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*/
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#define TXTDMS(n) (1<<n)
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/*
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* DAVINCI_MCASP_RXTDMSLOT_REG - Receive TDM Slot Register configuration
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*/
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#define RXTDMS(n) (1<<n)
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/*
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* DAVINCI_MCASP_GBLCTL_REG - Global Control Register Bits
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*/
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#define RXCLKRST BIT(0) /* Receiver Clock Divider Reset */
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#define RXHCLKRST BIT(1) /* Receiver High Frequency Clock Divider */
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#define RXSERCLR BIT(2) /* Receiver Serializer Clear */
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#define RXSMRST BIT(3) /* Receiver State Machine Reset */
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#define RXFSRST BIT(4) /* Frame Sync Generator Reset */
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#define TXCLKRST BIT(8) /* Transmitter Clock Divider Reset */
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#define TXHCLKRST BIT(9) /* Transmitter High Frequency Clock Divider*/
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#define TXSERCLR BIT(10) /* Transmit Serializer Clear */
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#define TXSMRST BIT(11) /* Transmitter State Machine Reset */
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#define TXFSRST BIT(12) /* Frame Sync Generator Reset */
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/*
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* DAVINCI_MCASP_AMUTE_REG - Mute Control Register Bits
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*/
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#define MUTENA(val) (val)
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#define MUTEINPOL BIT(2)
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#define MUTEINENA BIT(3)
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#define MUTEIN BIT(4)
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#define MUTER BIT(5)
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#define MUTEX BIT(6)
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#define MUTEFSR BIT(7)
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#define MUTEFSX BIT(8)
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#define MUTEBADCLKR BIT(9)
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#define MUTEBADCLKX BIT(10)
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#define MUTERXDMAERR BIT(11)
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#define MUTETXDMAERR BIT(12)
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/*
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* DAVINCI_MCASP_REVTCTL_REG - Receiver DMA Event Control Register bits
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*/
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#define RXDATADMADIS BIT(0)
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/*
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* DAVINCI_MCASP_XEVTCTL_REG - Transmitter DMA Event Control Register bits
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*/
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#define TXDATADMADIS BIT(0)
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/*
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* DAVINCI_MCASP_W[R]FIFOCTL - Write/Read FIFO Control Register bits
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*/
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#define FIFO_ENABLE BIT(16)
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#define NUMEVT_MASK (0xFF << 8)
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#define NUMEVT(x) (((x) & 0xFF) << 8)
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#define NUMDMA_MASK (0xFF)
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#endif /* DAVINCI_MCASP_H */
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