sound/soc/davinci/davinci-mcasp.h - arm/linux-arm-legacy - Git at Google

 /*
  * ALSA SoC McASP Audio Layer for TI DAVINCI processor
  *
  * MCASP related definitions
  *
  * Author: Nirmal Pandey <n-pandey@ti.com>,
  *         Suresh Rajashekara <suresh.r@ti.com>
  *         Steve Chen <schen@.mvista.com>
  *
  * Copyright:   (C) 2009 MontaVista Software, Inc., <source@mvista.com>
  * Copyright:   (C) 2009  Texas Instruments, India
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */

 #ifndef DAVINCI_MCASP_H
 #define DAVINCI_MCASP_H

 /*
  * McASP register definitions
  */
 #define DAVINCI_MCASP_PID_REG		0x00
 #define DAVINCI_MCASP_PWREMUMGT_REG	0x04

 #define DAVINCI_MCASP_PFUNC_REG		0x10
 #define DAVINCI_MCASP_PDIR_REG		0x14
 #define DAVINCI_MCASP_PDOUT_REG		0x18
 #define DAVINCI_MCASP_PDSET_REG		0x1c

 #define DAVINCI_MCASP_PDCLR_REG		0x20

 #define DAVINCI_MCASP_TLGC_REG		0x30
 #define DAVINCI_MCASP_TLMR_REG		0x34

 #define DAVINCI_MCASP_GBLCTL_REG	0x44
 #define DAVINCI_MCASP_AMUTE_REG		0x48
 #define DAVINCI_MCASP_LBCTL_REG		0x4c

 #define DAVINCI_MCASP_TXDITCTL_REG	0x50

 #define DAVINCI_MCASP_GBLCTLR_REG	0x60
 #define DAVINCI_MCASP_RXMASK_REG	0x64
 #define DAVINCI_MCASP_RXFMT_REG		0x68
 #define DAVINCI_MCASP_RXFMCTL_REG	0x6c

 #define DAVINCI_MCASP_ACLKRCTL_REG	0x70
 #define DAVINCI_MCASP_AHCLKRCTL_REG	0x74
 #define DAVINCI_MCASP_RXTDM_REG		0x78
 #define DAVINCI_MCASP_EVTCTLR_REG	0x7c

 #define DAVINCI_MCASP_RXSTAT_REG	0x80
 #define DAVINCI_MCASP_RXTDMSLOT_REG	0x84
 #define DAVINCI_MCASP_RXCLKCHK_REG	0x88
 #define DAVINCI_MCASP_REVTCTL_REG	0x8c

 #define DAVINCI_MCASP_GBLCTLX_REG	0xa0
 #define DAVINCI_MCASP_TXMASK_REG	0xa4
 #define DAVINCI_MCASP_TXFMT_REG		0xa8
 #define DAVINCI_MCASP_TXFMCTL_REG	0xac

 #define DAVINCI_MCASP_ACLKXCTL_REG	0xb0
 #define DAVINCI_MCASP_AHCLKXCTL_REG	0xb4
 #define DAVINCI_MCASP_TXTDM_REG		0xb8
 #define DAVINCI_MCASP_EVTCTLX_REG	0xbc

 #define DAVINCI_MCASP_TXSTAT_REG	0xc0
 #define DAVINCI_MCASP_TXTDMSLOT_REG	0xc4
 #define DAVINCI_MCASP_TXCLKCHK_REG	0xc8
 #define DAVINCI_MCASP_XEVTCTL_REG	0xcc

 /* Left(even TDM Slot) Channel Status Register File */
 #define DAVINCI_MCASP_DITCSRA_REG	0x100
 /* Right(odd TDM slot) Channel Status Register File */
 #define DAVINCI_MCASP_DITCSRB_REG	0x118
 /* Left(even TDM slot) User Data Register File */
 #define DAVINCI_MCASP_DITUDRA_REG	0x130
 /* Right(odd TDM Slot) User Data Register File */
 #define DAVINCI_MCASP_DITUDRB_REG	0x148

 /* Serializer n Control Register */
 #define DAVINCI_MCASP_XRSRCTL_BASE_REG	0x180
 #define DAVINCI_MCASP_XRSRCTL_REG(n)	(DAVINCI_MCASP_XRSRCTL_BASE_REG + \
 						(n << 2))

 /* Transmit Buffer for Serializer n */
 #define DAVINCI_MCASP_TXBUF_REG		0x200
 /* Receive Buffer for Serializer n */
 #define DAVINCI_MCASP_RXBUF_REG		0x280

 /* McASP FIFO Registers */
 #define DAVINCI_MCASP_V2_AFIFO_BASE	(0x1010)
 #define DAVINCI_MCASP_V3_AFIFO_BASE	(0x1000)

 /* FIFO register offsets from AFIFO base */
 #define MCASP_WFIFOCTL_OFFSET		(0x0)
 #define MCASP_WFIFOSTS_OFFSET		(0x4)
 #define MCASP_RFIFOCTL_OFFSET		(0x8)
 #define MCASP_RFIFOSTS_OFFSET		(0xc)

 /*
  * DAVINCI_MCASP_PWREMUMGT_REG - Power Down and Emulation Management
  *     Register Bits
  */
 #define MCASP_FREE	BIT(0)
 #define MCASP_SOFT	BIT(1)

 /*
  * DAVINCI_MCASP_PFUNC_REG - Pin Function / GPIO Enable Register Bits
  */
 #define AXR(n)		(1<<n)
 #define PFUNC_AMUTE	BIT(25)
 #define ACLKX		BIT(26)
 #define AHCLKX		BIT(27)
 #define AFSX		BIT(28)
 #define ACLKR		BIT(29)
 #define AHCLKR		BIT(30)
 #define AFSR		BIT(31)

 /*
  * DAVINCI_MCASP_PDIR_REG - Pin Direction Register Bits
  */
 #define AXR(n)		(1<<n)
 #define PDIR_AMUTE	BIT(25)
 #define ACLKX		BIT(26)
 #define AHCLKX		BIT(27)
 #define AFSX		BIT(28)
 #define ACLKR		BIT(29)
 #define AHCLKR		BIT(30)
 #define AFSR		BIT(31)

 /*
  * DAVINCI_MCASP_TXDITCTL_REG - Transmit DIT Control Register Bits
  */
 #define DITEN	BIT(0)	/* Transmit DIT mode enable/disable */
 #define VA	BIT(2)
 #define VB	BIT(3)

 /*
  * DAVINCI_MCASP_TXFMT_REG - Transmit Bitstream Format Register Bits
  */
 #define TXROT(val)	(val)
 #define TXSEL		BIT(3)
 #define TXSSZ(val)	(val<<4)
 #define TXPBIT(val)	(val<<8)
 #define TXPAD(val)	(val<<13)
 #define TXORD		BIT(15)
 #define FSXDLY(val)	(val<<16)

 /*
  * DAVINCI_MCASP_RXFMT_REG - Receive Bitstream Format Register Bits
  */
 #define RXROT(val)	(val)
 #define RXSEL		BIT(3)
 #define RXSSZ(val)	(val<<4)
 #define RXPBIT(val)	(val<<8)
 #define RXPAD(val)	(val<<13)
 #define RXORD		BIT(15)
 #define FSRDLY(val)	(val<<16)

 /*
  * DAVINCI_MCASP_TXFMCTL_REG -  Transmit Frame Control Register Bits
  */
 #define FSXPOL		BIT(0)
 #define AFSXE		BIT(1)
 #define FSXDUR		BIT(4)
 #define FSXMOD(val)	(val<<7)

 /*
  * DAVINCI_MCASP_RXFMCTL_REG - Receive Frame Control Register Bits
  */
 #define FSRPOL		BIT(0)
 #define AFSRE		BIT(1)
 #define FSRDUR		BIT(4)
 #define FSRMOD(val)	(val<<7)

 /*
  * DAVINCI_MCASP_ACLKXCTL_REG - Transmit Clock Control Register Bits
  */
 #define ACLKXDIV(val)	(val)
 #define ACLKXE		BIT(5)
 #define TX_ASYNC	BIT(6)
 #define ACLKXPOL	BIT(7)
 #define ACLKXDIV_MASK	0x1f

 /*
  * DAVINCI_MCASP_ACLKRCTL_REG Receive Clock Control Register Bits
  */
 #define ACLKRDIV(val)	(val)
 #define ACLKRE		BIT(5)
 #define RX_ASYNC	BIT(6)
 #define ACLKRPOL	BIT(7)
 #define ACLKRDIV_MASK	0x1f

 /*
  * DAVINCI_MCASP_AHCLKXCTL_REG - High Frequency Transmit Clock Control
  *     Register Bits
  */
 #define AHCLKXDIV(val)	(val)
 #define AHCLKXPOL	BIT(14)
 #define AHCLKXE		BIT(15)
 #define AHCLKXDIV_MASK	0xfff

 /*
  * DAVINCI_MCASP_AHCLKRCTL_REG - High Frequency Receive Clock Control
  *     Register Bits
  */
 #define AHCLKRDIV(val)	(val)
 #define AHCLKRPOL	BIT(14)
 #define AHCLKRE		BIT(15)
 #define AHCLKRDIV_MASK	0xfff

 /*
  * DAVINCI_MCASP_XRSRCTL_BASE_REG -  Serializer Control Register Bits
  */
 #define MODE(val)	(val)
 #define DISMOD		(val)(val<<2)
 #define TXSTATE		BIT(4)
 #define RXSTATE		BIT(5)
 #define SRMOD_MASK	3
 #define SRMOD_INACTIVE	0

 /*
  * DAVINCI_MCASP_LBCTL_REG - Loop Back Control Register Bits
  */
 #define LBEN		BIT(0)
 #define LBORD		BIT(1)
 #define LBGENMODE(val)	(val<<2)

 /*
  * DAVINCI_MCASP_TXTDMSLOT_REG - Transmit TDM Slot Register configuration
  */
 #define TXTDMS(n)	(1<<n)

 /*
  * DAVINCI_MCASP_RXTDMSLOT_REG - Receive TDM Slot Register configuration
  */
 #define RXTDMS(n)	(1<<n)

 /*
  * DAVINCI_MCASP_GBLCTL_REG -  Global Control Register Bits
  */
 #define RXCLKRST	BIT(0)	/* Receiver Clock Divider Reset */
 #define RXHCLKRST	BIT(1)	/* Receiver High Frequency Clock Divider */
 #define RXSERCLR	BIT(2)	/* Receiver Serializer Clear */
 #define RXSMRST		BIT(3)	/* Receiver State Machine Reset */
 #define RXFSRST		BIT(4)	/* Frame Sync Generator Reset */
 #define TXCLKRST	BIT(8)	/* Transmitter Clock Divider Reset */
 #define TXHCLKRST	BIT(9)	/* Transmitter High Frequency Clock Divider*/
 #define TXSERCLR	BIT(10)	/* Transmit Serializer Clear */
 #define TXSMRST		BIT(11)	/* Transmitter State Machine Reset */
 #define TXFSRST		BIT(12)	/* Frame Sync Generator Reset */

 /*
  * DAVINCI_MCASP_AMUTE_REG -  Mute Control Register Bits
  */
 #define MUTENA(val)	(val)
 #define MUTEINPOL	BIT(2)
 #define MUTEINENA	BIT(3)
 #define MUTEIN		BIT(4)
 #define MUTER		BIT(5)
 #define MUTEX		BIT(6)
 #define MUTEFSR		BIT(7)
 #define MUTEFSX		BIT(8)
 #define MUTEBADCLKR	BIT(9)
 #define MUTEBADCLKX	BIT(10)
 #define MUTERXDMAERR	BIT(11)
 #define MUTETXDMAERR	BIT(12)

 /*
  * DAVINCI_MCASP_REVTCTL_REG - Receiver DMA Event Control Register bits
  */
 #define RXDATADMADIS	BIT(0)

 /*
  * DAVINCI_MCASP_XEVTCTL_REG - Transmitter DMA Event Control Register bits
  */
 #define TXDATADMADIS	BIT(0)

 /*
  * DAVINCI_MCASP_W[R]FIFOCTL - Write/Read FIFO Control Register bits
  */
 #define FIFO_ENABLE	BIT(16)
 #define NUMEVT_MASK	(0xFF << 8)
 #define NUMDMA_MASK	(0xFF)

 #endif	/* DAVINCI_MCASP_H */
	/*
	* ALSA SoC McASP Audio Layer for TI DAVINCI processor
	*
	* MCASP related definitions
	*
	* Author: Nirmal Pandey <n-pandey@ti.com>,
	* Suresh Rajashekara <suresh.r@ti.com>
	* Steve Chen <schen@.mvista.com>
	*
	* Copyright: (C) 2009 MontaVista Software, Inc., <source@mvista.com>
	* Copyright: (C) 2009 Texas Instruments, India
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License version 2 as
	* published by the Free Software Foundation.
	*/

	#ifndef DAVINCI_MCASP_H
	#define DAVINCI_MCASP_H

	/*
	* McASP register definitions
	*/
	#define DAVINCI_MCASP_PID_REG 0x00
	#define DAVINCI_MCASP_PWREMUMGT_REG 0x04

	#define DAVINCI_MCASP_PFUNC_REG 0x10
	#define DAVINCI_MCASP_PDIR_REG 0x14
	#define DAVINCI_MCASP_PDOUT_REG 0x18
	#define DAVINCI_MCASP_PDSET_REG 0x1c

	#define DAVINCI_MCASP_PDCLR_REG 0x20

	#define DAVINCI_MCASP_TLGC_REG 0x30
	#define DAVINCI_MCASP_TLMR_REG 0x34

	#define DAVINCI_MCASP_GBLCTL_REG 0x44
	#define DAVINCI_MCASP_AMUTE_REG 0x48
	#define DAVINCI_MCASP_LBCTL_REG 0x4c

	#define DAVINCI_MCASP_TXDITCTL_REG 0x50

	#define DAVINCI_MCASP_GBLCTLR_REG 0x60
	#define DAVINCI_MCASP_RXMASK_REG 0x64
	#define DAVINCI_MCASP_RXFMT_REG 0x68
	#define DAVINCI_MCASP_RXFMCTL_REG 0x6c

	#define DAVINCI_MCASP_ACLKRCTL_REG 0x70
	#define DAVINCI_MCASP_AHCLKRCTL_REG 0x74
	#define DAVINCI_MCASP_RXTDM_REG 0x78
	#define DAVINCI_MCASP_EVTCTLR_REG 0x7c

	#define DAVINCI_MCASP_RXSTAT_REG 0x80
	#define DAVINCI_MCASP_RXTDMSLOT_REG 0x84
	#define DAVINCI_MCASP_RXCLKCHK_REG 0x88
	#define DAVINCI_MCASP_REVTCTL_REG 0x8c

	#define DAVINCI_MCASP_GBLCTLX_REG 0xa0
	#define DAVINCI_MCASP_TXMASK_REG 0xa4
	#define DAVINCI_MCASP_TXFMT_REG 0xa8
	#define DAVINCI_MCASP_TXFMCTL_REG 0xac

	#define DAVINCI_MCASP_ACLKXCTL_REG 0xb0
	#define DAVINCI_MCASP_AHCLKXCTL_REG 0xb4
	#define DAVINCI_MCASP_TXTDM_REG 0xb8
	#define DAVINCI_MCASP_EVTCTLX_REG 0xbc

	#define DAVINCI_MCASP_TXSTAT_REG 0xc0
	#define DAVINCI_MCASP_TXTDMSLOT_REG 0xc4
	#define DAVINCI_MCASP_TXCLKCHK_REG 0xc8
	#define DAVINCI_MCASP_XEVTCTL_REG 0xcc

	/* Left(even TDM Slot) Channel Status Register File */
	#define DAVINCI_MCASP_DITCSRA_REG 0x100
	/* Right(odd TDM slot) Channel Status Register File */
	#define DAVINCI_MCASP_DITCSRB_REG 0x118
	/* Left(even TDM slot) User Data Register File */
	#define DAVINCI_MCASP_DITUDRA_REG 0x130
	/* Right(odd TDM Slot) User Data Register File */
	#define DAVINCI_MCASP_DITUDRB_REG 0x148

	/* Serializer n Control Register */
	#define DAVINCI_MCASP_XRSRCTL_BASE_REG 0x180
	#define DAVINCI_MCASP_XRSRCTL_REG(n) (DAVINCI_MCASP_XRSRCTL_BASE_REG + \
	(n << 2))

	/* Transmit Buffer for Serializer n */
	#define DAVINCI_MCASP_TXBUF_REG 0x200
	/* Receive Buffer for Serializer n */
	#define DAVINCI_MCASP_RXBUF_REG 0x280

	/* McASP FIFO Registers */
	#define DAVINCI_MCASP_V2_AFIFO_BASE (0x1010)
	#define DAVINCI_MCASP_V3_AFIFO_BASE (0x1000)

	/* FIFO register offsets from AFIFO base */
	#define MCASP_WFIFOCTL_OFFSET (0x0)
	#define MCASP_WFIFOSTS_OFFSET (0x4)
	#define MCASP_RFIFOCTL_OFFSET (0x8)
	#define MCASP_RFIFOSTS_OFFSET (0xc)

	/*
	* DAVINCI_MCASP_PWREMUMGT_REG - Power Down and Emulation Management
	* Register Bits
	*/
	#define MCASP_FREE BIT(0)
	#define MCASP_SOFT BIT(1)

	/*
	* DAVINCI_MCASP_PFUNC_REG - Pin Function / GPIO Enable Register Bits
	*/
	#define AXR(n) (1<<n)
	#define PFUNC_AMUTE BIT(25)
	#define ACLKX BIT(26)
	#define AHCLKX BIT(27)
	#define AFSX BIT(28)
	#define ACLKR BIT(29)
	#define AHCLKR BIT(30)
	#define AFSR BIT(31)

	/*
	* DAVINCI_MCASP_PDIR_REG - Pin Direction Register Bits
	*/
	#define AXR(n) (1<<n)
	#define PDIR_AMUTE BIT(25)
	#define ACLKX BIT(26)
	#define AHCLKX BIT(27)
	#define AFSX BIT(28)
	#define ACLKR BIT(29)
	#define AHCLKR BIT(30)
	#define AFSR BIT(31)

	/*
	* DAVINCI_MCASP_TXDITCTL_REG - Transmit DIT Control Register Bits
	*/
	#define DITEN BIT(0) /* Transmit DIT mode enable/disable */
	#define VA BIT(2)
	#define VB BIT(3)

	/*
	* DAVINCI_MCASP_TXFMT_REG - Transmit Bitstream Format Register Bits
	*/
	#define TXROT(val) (val)
	#define TXSEL BIT(3)
	#define TXSSZ(val) (val<<4)
	#define TXPBIT(val) (val<<8)
	#define TXPAD(val) (val<<13)
	#define TXORD BIT(15)
	#define FSXDLY(val) (val<<16)

	/*
	* DAVINCI_MCASP_RXFMT_REG - Receive Bitstream Format Register Bits
	*/
	#define RXROT(val) (val)
	#define RXSEL BIT(3)
	#define RXSSZ(val) (val<<4)
	#define RXPBIT(val) (val<<8)
	#define RXPAD(val) (val<<13)
	#define RXORD BIT(15)
	#define FSRDLY(val) (val<<16)

	/*
	* DAVINCI_MCASP_TXFMCTL_REG - Transmit Frame Control Register Bits
	*/
	#define FSXPOL BIT(0)
	#define AFSXE BIT(1)
	#define FSXDUR BIT(4)
	#define FSXMOD(val) (val<<7)

	/*
	* DAVINCI_MCASP_RXFMCTL_REG - Receive Frame Control Register Bits
	*/
	#define FSRPOL BIT(0)
	#define AFSRE BIT(1)
	#define FSRDUR BIT(4)
	#define FSRMOD(val) (val<<7)

	/*
	* DAVINCI_MCASP_ACLKXCTL_REG - Transmit Clock Control Register Bits
	*/
	#define ACLKXDIV(val) (val)
	#define ACLKXE BIT(5)
	#define TX_ASYNC BIT(6)
	#define ACLKXPOL BIT(7)
	#define ACLKXDIV_MASK 0x1f

	/*
	* DAVINCI_MCASP_ACLKRCTL_REG Receive Clock Control Register Bits
	*/
	#define ACLKRDIV(val) (val)
	#define ACLKRE BIT(5)
	#define RX_ASYNC BIT(6)
	#define ACLKRPOL BIT(7)
	#define ACLKRDIV_MASK 0x1f

	/*
	* DAVINCI_MCASP_AHCLKXCTL_REG - High Frequency Transmit Clock Control
	* Register Bits
	*/
	#define AHCLKXDIV(val) (val)
	#define AHCLKXPOL BIT(14)
	#define AHCLKXE BIT(15)
	#define AHCLKXDIV_MASK 0xfff

	/*
	* DAVINCI_MCASP_AHCLKRCTL_REG - High Frequency Receive Clock Control
	* Register Bits
	*/
	#define AHCLKRDIV(val) (val)
	#define AHCLKRPOL BIT(14)
	#define AHCLKRE BIT(15)
	#define AHCLKRDIV_MASK 0xfff

	/*
	* DAVINCI_MCASP_XRSRCTL_BASE_REG - Serializer Control Register Bits
	*/
	#define MODE(val) (val)
	#define DISMOD (val)(val<<2)
	#define TXSTATE BIT(4)
	#define RXSTATE BIT(5)
	#define SRMOD_MASK 3
	#define SRMOD_INACTIVE 0

	/*
	* DAVINCI_MCASP_LBCTL_REG - Loop Back Control Register Bits
	*/
	#define LBEN BIT(0)
	#define LBORD BIT(1)
	#define LBGENMODE(val) (val<<2)

	/*
	* DAVINCI_MCASP_TXTDMSLOT_REG - Transmit TDM Slot Register configuration
	*/
	#define TXTDMS(n) (1<<n)

	/*
	* DAVINCI_MCASP_RXTDMSLOT_REG - Receive TDM Slot Register configuration
	*/
	#define RXTDMS(n) (1<<n)

	/*
	* DAVINCI_MCASP_GBLCTL_REG - Global Control Register Bits
	*/
	#define RXCLKRST BIT(0) /* Receiver Clock Divider Reset */
	#define RXHCLKRST BIT(1) /* Receiver High Frequency Clock Divider */
	#define RXSERCLR BIT(2) /* Receiver Serializer Clear */
	#define RXSMRST BIT(3) /* Receiver State Machine Reset */
	#define RXFSRST BIT(4) /* Frame Sync Generator Reset */
	#define TXCLKRST BIT(8) /* Transmitter Clock Divider Reset */
	#define TXHCLKRST BIT(9) /* Transmitter High Frequency Clock Divider*/
	#define TXSERCLR BIT(10) /* Transmit Serializer Clear */
	#define TXSMRST BIT(11) /* Transmitter State Machine Reset */
	#define TXFSRST BIT(12) /* Frame Sync Generator Reset */

	/*
	* DAVINCI_MCASP_AMUTE_REG - Mute Control Register Bits
	*/
	#define MUTENA(val) (val)
	#define MUTEINPOL BIT(2)
	#define MUTEINENA BIT(3)
	#define MUTEIN BIT(4)
	#define MUTER BIT(5)
	#define MUTEX BIT(6)
	#define MUTEFSR BIT(7)
	#define MUTEFSX BIT(8)
	#define MUTEBADCLKR BIT(9)
	#define MUTEBADCLKX BIT(10)
	#define MUTERXDMAERR BIT(11)
	#define MUTETXDMAERR BIT(12)

	/*
	* DAVINCI_MCASP_REVTCTL_REG - Receiver DMA Event Control Register bits
	*/
	#define RXDATADMADIS BIT(0)

	/*
	* DAVINCI_MCASP_XEVTCTL_REG - Transmitter DMA Event Control Register bits
	*/
	#define TXDATADMADIS BIT(0)

	/*
	* DAVINCI_MCASP_W[R]FIFOCTL - Write/Read FIFO Control Register bits
	*/
	#define FIFO_ENABLE BIT(16)
	#define NUMEVT_MASK (0xFF << 8)
	#define NUMDMA_MASK (0xFF)

	#endif /* DAVINCI_MCASP_H */