| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * 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 |
| */ |
| |
| #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(n) (0x200 + (n << 2)) |
| /* Receive Buffer for Serializer n */ |
| #define DAVINCI_MCASP_RXBUF_REG(n) (0x280 + (n << 2)) |
| |
| /* 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 |
| * DAVINCI_MCASP_PDIR_REG - Pin Direction Register Bits |
| * DAVINCI_MCASP_PDOUT_REG - Pin output in GPIO mode |
| * DAVINCI_MCASP_PDSET_REG - Pin input in GPIO mode |
| */ |
| #define PIN_BIT_AXR(n) (n) |
| #define PIN_BIT_AMUTE 25 |
| #define PIN_BIT_ACLKX 26 |
| #define PIN_BIT_AHCLKX 27 |
| #define PIN_BIT_AFSX 28 |
| #define PIN_BIT_ACLKR 29 |
| #define PIN_BIT_AHCLKR 30 |
| #define PIN_BIT_AFSR 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_3STATE (0x0) |
| #define DISMOD_LOW (0x2 << 2) |
| #define DISMOD_HIGH (0x3 << 2) |
| #define DISMOD_VAL(x) ((x) << 2) |
| #define DISMOD_MASK DISMOD_HIGH |
| #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_TXSTAT_REG - Transmitter Status Register Bits |
| * DAVINCI_MCASP_RXSTAT_REG - Receiver Status Register Bits |
| */ |
| #define XRERR BIT(8) /* Transmit/Receive error */ |
| #define XRDATA BIT(5) /* Transmit/Receive data ready */ |
| |
| /* |
| * 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_EVTCTLR_REG - Receiver Interrupt Control Register Bits |
| */ |
| #define ROVRN BIT(0) |
| |
| /* |
| * DAVINCI_MCASP_EVTCTLX_REG - Transmitter Interrupt Control Register Bits |
| */ |
| #define XUNDRN BIT(0) |
| |
| /* |
| * DAVINCI_MCASP_W[R]FIFOCTL - Write/Read FIFO Control Register bits |
| */ |
| #define FIFO_ENABLE BIT(16) |
| #define NUMEVT_MASK (0xFF << 8) |
| #define NUMEVT(x) (((x) & 0xFF) << 8) |
| #define NUMDMA_MASK (0xFF) |
| |
| /* Source of High-frequency transmit/receive clock */ |
| #define MCASP_CLK_HCLK_AHCLK 0 /* AHCLKX/R */ |
| #define MCASP_CLK_HCLK_AUXCLK 1 /* Internal functional clock */ |
| |
| /* clock divider IDs */ |
| #define MCASP_CLKDIV_AUXCLK 0 /* HCLK divider from AUXCLK */ |
| #define MCASP_CLKDIV_BCLK 1 /* BCLK divider from HCLK */ |
| #define MCASP_CLKDIV_BCLK_FS_RATIO 2 /* to set BCLK FS ration */ |
| |
| #endif /* DAVINCI_MCASP_H */ |
