+++ /dev/null
-/*
- * ifx_ssc.h defines some data sructures used in ifx_ssc.c
- *
- * Copyright (C) 2004 Michael Schoenenborn (IFX COM TI BT)
- *
- *
- */
-
-#ifndef __IFX_SSC_H
-#define __IFX_SSC_H
-#ifdef __KERNEL__
-#include <asm/ifxmips/ifx_ssc_defines.h>
-#endif //__KERNEL__
-
-#define PORT_CNT 1 // assume default value
-
-/* symbolic constants to be used in SSC routines */
-
-// ### TO DO: bad performance
-#define IFX_SSC_TXFIFO_ITL 1
-#define IFX_SSC_RXFIFO_ITL 1
-
-struct ifx_ssc_statistics {
- unsigned int abortErr; /* abort error */
- unsigned int modeErr; /* master/slave mode error */
- unsigned int txOvErr; /* TX Overflow error */
- unsigned int txUnErr; /* TX Underrun error */
- unsigned int rxOvErr; /* RX Overflow error */
- unsigned int rxUnErr; /* RX Underrun error */
- unsigned int rxBytes;
- unsigned int txBytes;
-};
-
-struct ifx_ssc_hwopts {
- unsigned int AbortErrDetect:1; /* Abort Error detection (in slave mode) */
- unsigned int rxOvErrDetect:1; /* Receive Overflow Error detection */
- unsigned int rxUndErrDetect:1; /* Receive Underflow Error detection */
- unsigned int txOvErrDetect:1; /* Transmit Overflow Error detection */
- unsigned int txUndErrDetect:1; /* Transmit Underflow Error detection */
- unsigned int echoMode:1; /* Echo mode */
- unsigned int loopBack:1; /* Loopback mode */
- unsigned int idleValue:1; /* Idle value */
- unsigned int clockPolarity:1; /* Idle clock is high or low */
- unsigned int clockPhase:1; /* Tx on trailing or leading edge */
- unsigned int headingControl:1; /* LSB first or MSB first */
- unsigned int dataWidth:6; /* from 2 up to 32 bits */
- unsigned int masterSelect:1; /* Master or Slave mode */
- unsigned int modeRxTx:2; /* rx/tx mode */
- unsigned int gpoCs:8; /* choose outputs to use for chip select */
- unsigned int gpoInv:8; /* invert GPO outputs */
-};
-
-struct ifx_ssc_frm_opts {
- bool FrameEnable; // SFCON.SFEN
- unsigned int DataLength; // SFCON.DLEN
- unsigned int PauseLength; // SFCON.PLEN
- unsigned int IdleData; // SFCON.IDAT
- unsigned int IdleClock; // SFCON.ICLK
- bool StopAfterPause; // SFCON.STOP
-};
-
-struct ifx_ssc_frm_status {
- bool DataBusy; // SFSTAT.DBSY
- bool PauseBusy; // SFSTAT.PBSY
- unsigned int DataCount; // SFSTAT.DCNT
- unsigned int PauseCount; // SFSTAT.PCNT
- bool EnIntAfterData; // SFCON.IBEN
- bool EnIntAfterPause; // SFCON.IAEN
-};
-
-typedef struct {
- char *buf;
- size_t len;
-} ifx_ssc_buf_item_t;
-
-// data structures for batch execution
-typedef union {
- struct {
- bool save_options;
- } init;
- ifx_ssc_buf_item_t read;
- ifx_ssc_buf_item_t write;
- ifx_ssc_buf_item_t rd_wr;
- unsigned int set_baudrate;
- struct ifx_ssc_frm_opts set_frm;
- unsigned int set_gpo;
- struct ifx_ssc_hwopts set_hwopts;
-} ifx_ssc_batch_cmd_param;
-
-struct ifx_ssc_batch_list {
- unsigned int cmd;
- ifx_ssc_batch_cmd_param cmd_param;
- struct ifx_ssc_batch_list *next;
-};
-
-#ifdef __KERNEL__
-#define IFX_SSC_IS_MASTER(p) ((p)->opts.masterSelect == SSC_MASTER_MODE)
-
-struct ifx_ssc_port {
- unsigned long mapbase;
- struct ifx_ssc_hwopts opts;
- struct ifx_ssc_statistics stats;
- struct ifx_ssc_frm_status frm_status;
- struct ifx_ssc_frm_opts frm_opts;
- /* wait queue for ifx_ssc_read() */
- wait_queue_head_t rwait, pwait;
- int port_nr;
- char port_is_open; /* exclusive open - boolean */
-// int no_of_bits; /* number of _valid_ bits */
-// int elem_size; /* shift for element (no of bytes)*/
- /* buffer and pointers to the read/write position */
- char *rxbuf; /* buffer for RX */
- char *rxbuf_end; /* buffer end pointer for RX */
- volatile char *rxbuf_ptr; /* buffer write pointer for RX */
- char *txbuf; /* buffer for TX */
- char *txbuf_end; /* buffer end pointer for TX */
- volatile char *txbuf_ptr; /* buffer read pointer for TX */
- unsigned int baud;
- /* each channel has its own interrupts */
- /* (transmit/receive/error/frame) */
- unsigned int txirq, rxirq, errirq, frmirq;
-};
-/* default values for SSC configuration */
-// values of CON
-#define IFX_SSC_DEF_IDLE_DATA 1 /* enable */
-#define IFX_SSC_DEF_BYTE_VALID_CTL 1 /* enable */
-#define IFX_SSC_DEF_DATA_WIDTH 32 /* bits */
-#define IFX_SSC_DEF_ABRT_ERR_DETECT 0 /* disable */
-#define IFX_SSC_DEF_RO_ERR_DETECT 1 /* enable */
-#define IFX_SSC_DEF_RU_ERR_DETECT 0 /* disable */
-#define IFX_SSC_DEF_TO_ERR_DETECT 0 /* disable */
-#define IFX_SSC_DEF_TU_ERR_DETECT 0 /* disable */
-#define IFX_SSC_DEF_LOOP_BACK 0 /* disable */
-#define IFX_SSC_DEF_ECHO_MODE 0 /* disable */
-#define IFX_SSC_DEF_CLOCK_POLARITY 0 /* low */
-#define IFX_SSC_DEF_CLOCK_PHASE 1 /* 0: shift on leading edge, latch on trailling edge, 1, otherwise */
-#define IFX_SSC_DEF_HEADING_CONTROL IFX_SSC_MSB_FIRST
-#define IFX_SSC_DEF_MODE_RXTX IFX_SSC_MODE_RXTX
-// other values
-#define IFX_SSC_DEF_MASTERSLAVE IFX_SSC_MASTER_MODE /* master */
-#ifdef CONFIG_USE_EMULATOR
-#define IFX_SSC_DEF_BAUDRATE 10000
-#else
-#define IFX_SSC_DEF_BAUDRATE 2000000
-#endif
-#define IFX_SSC_DEF_RMC 0x10
-
-#define IFX_SSC_DEF_TXFIFO_FL 8
-#define IFX_SSC_DEF_RXFIFO_FL 1
-
-#if 1 //TODO
-#define IFX_SSC_DEF_GPO_CS 0x3 /* no chip select */
-#define IFX_SSC_DEF_GPO_INV 0 /* no chip select */
-#else
-#error "what is ur Chip Select???"
-#endif
-#define IFX_SSC_DEF_SFCON 0 /* no serial framing */
-#if 0
-#define IFX_SSC_DEF_IRNEN IFX_SSC_T_BIT | /* enable all int's */\
- IFX_SSC_R_BIT | IFX_SSC_E_BIT | IFX_SSC_F_BIT
-#endif
-#define IFX_SSC_DEF_IRNEN IFX_SSC_T_BIT | /* enable all int's */\
- IFX_SSC_R_BIT | IFX_SSC_E_BIT
-#endif /* __KERNEL__ */
-
-// batch execution commands
-#define IFX_SSC_BATCH_CMD_INIT 1
-#define IFX_SSC_BATCH_CMD_READ 2
-#define IFX_SSC_BATCH_CMD_WRITE 3
-#define IFX_SSC_BATCH_CMD_RD_WR 4
-#define IFX_SSC_BATCH_CMD_SET_BAUDRATE 5
-#define IFX_SSC_BATCH_CMD_SET_HWOPTS 6
-#define IFX_SSC_BATCH_CMD_SET_FRM 7
-#define IFX_SSC_BATCH_CMD_SET_GPO 8
-#define IFX_SSC_BATCH_CMD_FIFO_FLUSH 9
-//#define IFX_SSC_BATCH_CMD_
-//#define IFX_SSC_BATCH_CMD_
-#define IFX_SSC_BATCH_CMD_END_EXEC 0
-
-/* Macros to configure SSC hardware */
-/* headingControl: */
-#define IFX_SSC_LSB_FIRST 0
-#define IFX_SSC_MSB_FIRST 1
-/* dataWidth: */
-#define IFX_SSC_MIN_DATA_WIDTH 2
-#define IFX_SSC_MAX_DATA_WIDTH 32
-/* master/slave mode select */
-#define IFX_SSC_MASTER_MODE 1
-#define IFX_SSC_SLAVE_MODE 0
-/* rx/tx mode */
-// ### TO DO: !!! ATTENTION! Hardware dependency => move to ifx_ssc_defines.h
-#define IFX_SSC_MODE_RXTX 0
-#define IFX_SSC_MODE_RX 1
-#define IFX_SSC_MODE_TX 2
-#define IFX_SSC_MODE_OFF 3
-#define IFX_SSC_MODE_MASK IFX_SSC_MODE_RX | IFX_SSC_MODE_TX
-
-/* GPO values */
-#define IFX_SSC_MAX_GPO_OUT 7
-
-#define IFX_SSC_RXREQ_BLOCK_SIZE 32768
-
-/***********************/
-/* defines for ioctl's */
-/***********************/
-#define IFX_SSC_IOCTL_MAGIC 'S'
-/* read out the statistics */
-#define IFX_SSC_STATS_READ _IOR(IFX_SSC_IOCTL_MAGIC, 1, struct ifx_ssc_statistics)
-/* clear the statistics */
-#define IFX_SSC_STATS_RESET _IO(IFX_SSC_IOCTL_MAGIC, 2)
-/* set the baudrate */
-#define IFX_SSC_BAUD_SET _IOW(IFX_SSC_IOCTL_MAGIC, 3, unsigned int)
-/* get the current baudrate */
-#define IFX_SSC_BAUD_GET _IOR(IFX_SSC_IOCTL_MAGIC, 4, unsigned int)
-/* set hardware options */
-#define IFX_SSC_HWOPTS_SET _IOW(IFX_SSC_IOCTL_MAGIC, 5, struct ifx_ssc_hwopts)
-/* get the current hardware options */
-#define IFX_SSC_HWOPTS_GET _IOR(IFX_SSC_IOCTL_MAGIC, 6, struct ifx_ssc_hwopts)
-/* set transmission mode */
-#define IFX_SSC_RXTX_MODE_SET _IOW(IFX_SSC_IOCTL_MAGIC, 7, unsigned int)
-/* get the current transmission mode */
-#define IFX_SSC_RXTX_MODE_GET _IOR(IFX_SSC_IOCTL_MAGIC, 8, unsigned int)
-/* abort transmission */
-#define IFX_SSC_ABORT _IO(IFX_SSC_IOCTL_MAGIC, 9)
-#define IFX_SSC_FIFO_FLUSH _IO(IFX_SSC_IOCTL_MAGIC, 9)
-
-/* set general purpose outputs */
-#define IFX_SSC_GPO_OUT_SET _IOW(IFX_SSC_IOCTL_MAGIC, 32, unsigned int)
-/* clear general purpose outputs */
-#define IFX_SSC_GPO_OUT_CLR _IOW(IFX_SSC_IOCTL_MAGIC, 33, unsigned int)
-/* get general purpose outputs */
-#define IFX_SSC_GPO_OUT_GET _IOR(IFX_SSC_IOCTL_MAGIC, 34, unsigned int)
-
-/*** serial framing ***/
-/* get status of serial framing */
-#define IFX_SSC_FRM_STATUS_GET _IOR(IFX_SSC_IOCTL_MAGIC, 48, struct ifx_ssc_frm_status)
-/* get counter reload values and control bits */
-#define IFX_SSC_FRM_CONTROL_GET _IOR(IFX_SSC_IOCTL_MAGIC, 49, struct ifx_ssc_frm_opts)
-/* set counter reload values and control bits */
-#define IFX_SSC_FRM_CONTROL_SET _IOW(IFX_SSC_IOCTL_MAGIC, 50, struct ifx_ssc_frm_opts)
-
-/*** batch execution ***/
-/* do batch execution */
-#define IFX_SSC_BATCH_EXEC _IOW(IFX_SSC_IOCTL_MAGIC, 64, struct ifx_ssc_batch_list)
-
-#ifdef __KERNEL__
-// routines from ifx_ssc.c
-// ### TO DO
-/* kernel interface for read and write */
-ssize_t ifx_ssc_kread (int, char *, size_t);
-ssize_t ifx_ssc_kwrite (int, const char *, size_t);
-
-#ifdef CONFIG_IFX_VP_KERNEL_TEST
-void ifx_ssc_tc (void);
-#endif // CONFIG_IFX_VP_KERNEL_TEST
-
-#endif //__KERNEL__
-#endif // __IFX_SSC_H
projects / openwrt-10.03 / .git / blobdiff