/* $Id: dbri.h,v 1.13 2000/10/13 00:34:24 uzi Exp $ * drivers/sbus/audio/cs4231.h * * Copyright (C) 1997 Rudolf Koenig (rfkoenig@immd4.informatik.uni-erlangen.de) */ #ifndef _DBRI_H_ #define _DBRI_H_ #include /* DBRI main registers */ #define REG0 0x00UL /* Status and Control */ #define REG1 0x04UL /* Mode and Interrupt */ #define REG2 0x08UL /* Parallel IO */ #define REG3 0x0cUL /* Test */ #define REG8 0x20UL /* Command Queue Pointer */ #define REG9 0x24UL /* Interrupt Queue Pointer */ #define DBRI_NO_CMDS 64 #define DBRI_NO_INTS 1 /* Note: the value of this define was * originally 2. The ringbuffer to store * interrupts in dma is currently broken. * This is a temporary fix until the ringbuffer * is fixed. */ #define DBRI_INT_BLK 64 #define DBRI_NO_DESCS 64 #define DBRI_MM_ONB 1 #define DBRI_MM_SB 2 struct dbri_mem { volatile __u32 word1; volatile __u32 ba; /* Transmit/Receive Buffer Address */ volatile __u32 nda; /* Next Descriptor Address */ volatile __u32 word4; }; #include "cs4215.h" /* This structure is in a DMA region where it can accessed by both * the CPU and the DBRI */ struct dbri_dma { volatile s32 cmd[DBRI_NO_CMDS]; /* Place for commands */ volatile s32 intr[DBRI_NO_INTS * DBRI_INT_BLK]; /* Interrupt field */ struct dbri_mem desc[DBRI_NO_DESCS]; /* Xmit/receive descriptors */ }; #define dbri_dma_off(member, elem) \ ((u32)(unsigned long) \ (&(((struct dbri_dma *)0)->member[elem]))) enum in_or_out { PIPEinput, PIPEoutput }; enum direction { in, out }; struct dbri_pipe { u32 sdp; /* SDP command word */ enum direction direction; int nextpipe; /* Next pipe in linked list */ int prevpipe; int cycle; /* Offset of timeslot (bits) */ int length; /* Length of timeslot (bits) */ int desc; /* Index of active descriptor*/ volatile __u32 *recv_fixed_ptr; /* Ptr to receive fixed data */ }; struct dbri_desc { int inuse; /* Boolean flag */ int next; /* Index of next desc, or -1 */ void *buffer; /* CPU view of buffer */ u32 buffer_dvma; /* Device view */ unsigned int len; void (*output_callback)(void *, int); void *output_callback_arg; void (*input_callback)(void *, int, unsigned int); void *input_callback_arg; }; /* This structure holds the information for both chips (DBRI & CS4215) */ struct dbri { int regs_size, irq; /* Needed for unload */ struct sbus_dev *sdev; /* SBUS device info */ volatile struct dbri_dma *dma; /* Pointer to our DMA block */ u32 dma_dvma; /* DBRI visible DMA address */ unsigned long regs; /* dbri HW regs */ int dbri_version; /* 'e' and up is OK */ int dbri_irqp; /* intr queue pointer */ int wait_seen; struct dbri_pipe pipes[32]; /* DBRI's 32 data pipes */ struct dbri_desc descs[DBRI_NO_DESCS]; int chi_in_pipe; int chi_out_pipe; int chi_bpf; struct cs4215 mm; /* mmcodec special info */ #if 0 /* Where to sleep if busy */ wait_queue_head_t wait, int_wait; #endif struct audio_info perchip_info; /* Track ISDN LIU and notify changes */ int liu_state; void (*liu_callback)(void *); void *liu_callback_arg; }; /* DBRI Reg0 - Status Control Register - defines. (Page 17) */ #define D_P (1<<15) /* Program command & queue pointer valid */ #define D_G (1<<14) /* Allow 4-Word SBus Burst */ #define D_S (1<<13) /* Allow 16-Word SBus Burst */ #define D_E (1<<12) /* Allow 8-Word SBus Burst */ #define D_X (1<<7) /* Sanity Timer Disable */ #define D_T (1<<6) /* Permit activation of the TE interface */ #define D_N (1<<5) /* Permit activation of the NT interface */ #define D_C (1<<4) /* Permit activation of the CHI interface */ #define D_F (1<<3) /* Force Sanity Timer Time-Out */ #define D_D (1<<2) /* Disable Master Mode */ #define D_H (1<<1) /* Halt for Analysis */ #define D_R (1<<0) /* Soft Reset */ /* DBRI Reg1 - Mode and Interrupt Register - defines. (Page 18) */ #define D_LITTLE_END (1<<8) /* Byte Order */ #define D_BIG_END (0<<8) /* Byte Order */ #define D_MRR (1<<4) /* Multiple Error Ack on SBus (readonly) */ #define D_MLE (1<<3) /* Multiple Late Error on SBus (readonly) */ #define D_LBG (1<<2) /* Lost Bus Grant on SBus (readonly) */ #define D_MBE (1<<1) /* Burst Error on SBus (readonly) */ #define D_IR (1<<0) /* Interrupt Indicator (readonly) */ /* DBRI Reg2 - Parallel IO Register - defines. (Page 18) */ #define D_ENPIO3 (1<<7) /* Enable Pin 3 */ #define D_ENPIO2 (1<<6) /* Enable Pin 2 */ #define D_ENPIO1 (1<<5) /* Enable Pin 1 */ #define D_ENPIO0 (1<<4) /* Enable Pin 0 */ #define D_ENPIO (0xf0) /* Enable all the pins */ #define D_PIO3 (1<<3) /* Pin 3: 1: Data mode, 0: Ctrl mode */ #define D_PIO2 (1<<2) /* Pin 2: 1: Onboard PDN */ #define D_PIO1 (1<<1) /* Pin 1: 0: Reset */ #define D_PIO0 (1<<0) /* Pin 0: 1: Speakerbox PDN */ /* DBRI Commands (Page 20) */ #define D_WAIT 0x0 /* Stop execution */ #define D_PAUSE 0x1 /* Flush long pipes */ #define D_JUMP 0x2 /* New command queue */ #define D_IIQ 0x3 /* Initialize Interrupt Queue */ #define D_REX 0x4 /* Report command execution via interrupt */ #define D_SDP 0x5 /* Setup Data Pipe */ #define D_CDP 0x6 /* Continue Data Pipe (reread NULL Pointer) */ #define D_DTS 0x7 /* Define Time Slot */ #define D_SSP 0x8 /* Set short Data Pipe */ #define D_CHI 0x9 /* Set CHI Global Mode */ #define D_NT 0xa /* NT Command */ #define D_TE 0xb /* TE Command */ #define D_CDEC 0xc /* Codec setup */ #define D_TEST 0xd /* No comment */ #define D_CDM 0xe /* CHI Data mode command */ /* Special bits for some commands */ #define D_PIPE(v) ((v)<<0) /* Pipe Nr: 0-15 long, 16-21 short */ /* Setup Data Pipe */ /* IRM */ #define D_SDP_2SAME (1<<18) /* Report 2nd time in a row value rcvd*/ #define D_SDP_CHANGE (2<<18) /* Report any changes */ #define D_SDP_EVERY (3<<18) /* Report any changes */ #define D_SDP_EOL (1<<17) /* EOL interrupt enable */ #define D_SDP_IDLE (1<<16) /* HDLC idle interrupt enable */ /* Pipe data MODE */ #define D_SDP_MEM (0<<13) /* To/from memory */ #define D_SDP_HDLC (2<<13) #define D_SDP_HDLC_D (3<<13) /* D Channel (prio control)*/ #define D_SDP_SER (4<<13) /* Serial to serial */ #define D_SDP_FIXED (6<<13) /* Short only */ #define D_SDP_MODE(v) ((v)&(7<<13)) #define D_SDP_TO_SER (1<<12) /* Direction */ #define D_SDP_FROM_SER (0<<12) /* Direction */ #define D_SDP_MSB (1<<11) /* Bit order within Byte */ #define D_SDP_LSB (0<<11) /* Bit order within Byte */ #define D_SDP_P (1<<10) /* Pointer Valid */ #define D_SDP_A (1<<8) /* Abort */ #define D_SDP_C (1<<7) /* Clear */ /* Define Time Slot */ #define D_DTS_VI (1<<17) /* Valid Input Time-Slot Descriptor */ #define D_DTS_VO (1<<16) /* Valid Output Time-Slot Descriptor */ #define D_DTS_INS (1<<15) /* Insert Time Slot */ #define D_DTS_DEL (0<<15) /* Delete Time Slot */ #define D_DTS_PRVIN(v) ((v)<<10) /* Previous In Pipe */ #define D_DTS_PRVOUT(v) ((v)<<5) /* Previous Out Pipe */ /* Time Slot defines */ #define D_TS_LEN(v) ((v)<<24) /* Number of bits in this time slot */ #define D_TS_CYCLE(v) ((v)<<14) /* Bit Count at start of TS */ #define D_TS_DI (1<<13) /* Data Invert */ #define D_TS_1CHANNEL (0<<10) /* Single Channel / Normal mode */ #define D_TS_MONITOR (2<<10) /* Monitor pipe */ #define D_TS_NONCONTIG (3<<10) /* Non contiguous mode */ #define D_TS_ANCHOR (7<<10) /* Starting short pipes */ #define D_TS_MON(v) ((v)<<5) /* Monitor Pipe */ #define D_TS_NEXT(v) ((v)<<0) /* Pipe Nr: 0-15 long, 16-21 short */ /* Concentration Highway Interface Modes */ #define D_CHI_CHICM(v) ((v)<<16) /* Clock mode */ #define D_CHI_IR (1<<15) /* Immediate Interrupt Report */ #define D_CHI_EN (1<<14) /* CHIL Interrupt enabled */ #define D_CHI_OD (1<<13) /* Open Drain Enable */ #define D_CHI_FE (1<<12) /* Sample CHIFS on Rising Frame Edge */ #define D_CHI_FD (1<<11) /* Frame Drive */ #define D_CHI_BPF(v) ((v)<<0) /* Bits per Frame */ /* NT: These are here for completeness */ #define D_NT_FBIT (1<<17) /* Frame Bit */ #define D_NT_NBF (1<<16) /* Number of bad frames to loose framing */ #define D_NT_IRM_IMM (1<<15) /* Interrupt Report & Mask: Immediate */ #define D_NT_IRM_EN (1<<14) /* Interrupt Report & Mask: Enable */ #define D_NT_ISNT (1<<13) /* Configfure interface as NT */ #define D_NT_FT (1<<12) /* Fixed Timing */ #define D_NT_EZ (1<<11) /* Echo Channel is Zeros */ #define D_NT_IFA (1<<10) /* Inhibit Final Activation */ #define D_NT_ACT (1<<9) /* Activate Interface */ #define D_NT_MFE (1<<8) /* Multiframe Enable */ #define D_NT_RLB(v) ((v)<<5) /* Remote Loopback */ #define D_NT_LLB(v) ((v)<<2) /* Local Loopback */ #define D_NT_FACT (1<<1) /* Force Activation */ #define D_NT_ABV (1<<0) /* Activate Bipolar Violation */ /* Codec Setup */ #define D_CDEC_CK(v) ((v)<<24) /* Clock Select */ #define D_CDEC_FED(v) ((v)<<12) /* FSCOD Falling Edge Delay */ #define D_CDEC_RED(v) ((v)<<0) /* FSCOD Rising Edge Delay */ /* Test */ #define D_TEST_RAM(v) ((v)<<16) /* RAM Pointer */ #define D_TEST_SIZE(v) ((v)<<11) /* */ #define D_TEST_ROMONOFF 0x5 /* Toggle ROM opcode monitor on/off */ #define D_TEST_PROC 0x6 /* MicroProcessor test */ #define D_TEST_SER 0x7 /* Serial-Controller test */ #define D_TEST_RAMREAD 0x8 /* Copy from Ram to system memory */ #define D_TEST_RAMWRITE 0x9 /* Copy into Ram from system memory */ #define D_TEST_RAMBIST 0xa /* RAM Built-In Self Test */ #define D_TEST_MCBIST 0xb /* Microcontroller Built-In Self Test */ #define D_TEST_DUMP 0xe /* ROM Dump */ /* CHI Data Mode */ #define D_CDM_THI (1<<8) /* Transmit Data on CHIDR Pin */ #define D_CDM_RHI (1<<7) /* Receive Data on CHIDX Pin */ #define D_CDM_RCE (1<<6) /* Receive on Rising Edge of CHICK */ #define D_CDM_XCE (1<<2) /* Transmit Data on Rising Edge of CHICK */ #define D_CDM_XEN (1<<1) /* Transmit Highway Enable */ #define D_CDM_REN (1<<0) /* Receive Highway Enable */ /* The Interrupts */ #define D_INTR_BRDY 1 /* Buffer Ready for processing */ #define D_INTR_MINT 2 /* Marked Interrupt in RD/TD */ #define D_INTR_IBEG 3 /* Flag to idle transition detected (HDLC) */ #define D_INTR_IEND 4 /* Idle to flag transition detected (HDLC) */ #define D_INTR_EOL 5 /* End of List */ #define D_INTR_CMDI 6 /* Command has bean read */ #define D_INTR_XCMP 8 /* Transmission of frame complete */ #define D_INTR_SBRI 9 /* BRI status change info */ #define D_INTR_FXDT 10 /* Fixed data change */ #define D_INTR_CHIL 11 /* CHI lost frame sync (channel 36 only) */ #define D_INTR_COLL 11 /* Unrecoverable D-Channel collision */ #define D_INTR_DBYT 12 /* Dropped by frame slip */ #define D_INTR_RBYT 13 /* Repeated by frame slip */ #define D_INTR_LINT 14 /* Lost Interrupt */ #define D_INTR_UNDR 15 /* DMA underrun */ #define D_INTR_TE 32 #define D_INTR_NT 34 #define D_INTR_CHI 36 #define D_INTR_CMD 38 #define D_INTR_GETCHAN(v) (((v)>>24) & 0x3f) #define D_INTR_GETCODE(v) (((v)>>20) & 0xf) #define D_INTR_GETCMD(v) (((v)>>16) & 0xf) #define D_INTR_GETVAL(v) ((v) & 0xffff) #define D_INTR_GETRVAL(v) ((v) & 0xfffff) #define D_P_0 0 /* TE receive anchor */ #define D_P_1 1 /* TE transmit anchor */ #define D_P_2 2 /* NT transmit anchor */ #define D_P_3 3 /* NT receive anchor */ #define D_P_4 4 /* CHI send data */ #define D_P_5 5 /* CHI receive data */ #define D_P_6 6 /* */ #define D_P_7 7 /* */ #define D_P_8 8 /* */ #define D_P_9 9 /* */ #define D_P_10 10 /* */ #define D_P_11 11 /* */ #define D_P_12 12 /* */ #define D_P_13 13 /* */ #define D_P_14 14 /* */ #define D_P_15 15 /* */ #define D_P_16 16 /* CHI anchor pipe */ #define D_P_17 17 /* CHI send */ #define D_P_18 18 /* CHI receive */ #define D_P_19 19 /* CHI receive */ #define D_P_20 20 /* CHI receive */ #define D_P_21 21 /* */ #define D_P_22 22 /* */ #define D_P_23 23 /* */ #define D_P_24 24 /* */ #define D_P_25 25 /* */ #define D_P_26 26 /* */ #define D_P_27 27 /* */ #define D_P_28 28 /* */ #define D_P_29 29 /* */ #define D_P_30 30 /* */ #define D_P_31 31 /* */ /* Transmit descriptor defines */ #define DBRI_TD_F (1<<31) /* End of Frame */ #define DBRI_TD_D (1<<30) /* Do not append CRC */ #define DBRI_TD_CNT(v) ((v)<<16) /* Number of valid bytes in the buffer */ #define DBRI_TD_B (1<<15) /* Final interrupt */ #define DBRI_TD_M (1<<14) /* Marker interrupt */ #define DBRI_TD_I (1<<13) /* Transmit Idle Characters */ #define DBRI_TD_FCNT(v) (v) /* Flag Count */ #define DBRI_TD_UNR (1<<3) /* Underrun: transmitter is out of data */ #define DBRI_TD_ABT (1<<2) /* Abort: frame aborted */ #define DBRI_TD_TBC (1<<0) /* Transmit buffer Complete */ #define DBRI_TD_STATUS(v) ((v)&0xff) /* Transmit status */ /* Receive descriptor defines */ #define DBRI_RD_F (1<<31) /* End of Frame */ #define DBRI_RD_C (1<<30) /* Completed buffer */ #define DBRI_RD_B (1<<15) /* Final interrupt */ #define DBRI_RD_M (1<<14) /* Marker interrupt */ #define DBRI_RD_BCNT(v) (v) /* Buffer size */ #define DBRI_RD_CRC (1<<7) /* 0: CRC is correct */ #define DBRI_RD_BBC (1<<6) /* 1: Bad Byte received */ #define DBRI_RD_ABT (1<<5) /* Abort: frame aborted */ #define DBRI_RD_OVRN (1<<3) /* Overrun: data lost */ #define DBRI_RD_STATUS(v) ((v)&0xff) /* Receive status */ #define DBRI_RD_CNT(v) (((v)>>16)&0x1fff) /* Number of valid bytes in the buffer */ #endif /* _DBRI_H_ */