📄 mite.h
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/* module/mite.h Hardware driver for NI Mite PCI interface chip COMEDI - Linux Control and Measurement Device Interface Copyright (C) 1999 David A. Schleef <ds@schleef.org> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.*/#ifndef _MITE_H_#define _MITE_H_#include <linux/comedidev.h>#include <linux/pci.h>#define PCI_VENDOR_ID_NATINST 0x1093//#define DEBUG_MITE#define PCIMIO_COMPAT#ifdef DEBUG_MITE#define MDPRINTK(format,args...) printk(format , ## args )#else#define MDPRINTK(format,args...)#endif#define NUM_MITE_DMA_CHANNELS 4struct mite_dma_chain{ u32 count; u32 addr; u32 next; u32 dar;};struct mite_channel{ int DMA_CheckNearEnd; int dir; unsigned int current_link; unsigned int n_links; struct mite_dma_chain *ring;};struct mite_struct{ struct mite_struct *next; int used; struct pci_dev *pcidev; unsigned long mite_phys_addr; void *mite_io_addr; unsigned long daq_phys_addr; void *daq_io_addr; struct mite_channel channels[ NUM_MITE_DMA_CHANNELS ];};extern struct mite_struct *mite_devices;static inline unsigned int mite_irq(struct mite_struct *mite){ return mite->pcidev->irq;};static inline unsigned int mite_device_id(struct mite_struct *mite){ return mite->pcidev->device;};static inline unsigned long mite_iobase(struct mite_struct *mite){ return (unsigned long) mite->daq_io_addr;};void mite_init(void);void mite_cleanup(void);int mite_setup(struct mite_struct *mite);void mite_unsetup(struct mite_struct *mite);void mite_list_devices(void);int mite_dma_tcr(struct mite_struct *mite, unsigned int channel );void mite_dma_arm(struct mite_struct *mite, unsigned int channel );void mite_dma_disarm(struct mite_struct *mite, unsigned int channel );unsigned int mite_bytes_transferred(struct mite_struct *mite, unsigned int chan);unsigned int mite_bytes_read(struct mite_struct *mite, unsigned int chan);unsigned int mite_bytes_in_transit(struct mite_struct *mite, unsigned int chan);#if 0unsigned long mite_ll_from_kvmem(struct mite_struct *mite,comedi_async *async,int len);void mite_setregs(struct mite_struct *mite,unsigned long ll_start,int chan, int dir);#endifvoid mite_prep_dma(struct mite_struct *mite, unsigned int channel, unsigned int num_device_bits, unsigned int num_memory_bits );int mite_buf_change(struct mite_struct *mite, unsigned int channel, comedi_async *async, unsigned long new_size);#ifdef DEBUG_MITEvoid mite_print_chsr(unsigned int chsr);void mite_dump_regs(struct mite_struct *mite, int channel);#endif#define CHAN_OFFSET(x) (0x100*(x))/* DMA base for chan 0 is 0x500, chan 1 is 0x600 */#define MITE_CHOR 0x500#define CHOR_DMARESET (1<<31)#define CHOR_SET_SEND_TC (1<<11)#define CHOR_CLR_SEND_TC (1<<10)#define CHOR_SET_LPAUSE (1<<9)#define CHOR_CLR_LPAUSE (1<<8)#define CHOR_CLRDONE (1<<7)#define CHOR_CLRRB (1<<6)#define CHOR_CLRLC (1<<5)#define CHOR_FRESET (1<<4)#define CHOR_ABORT (1<<3)#define CHOR_STOP (1<<2)#define CHOR_CONT (1<<1)#define CHOR_START (1<<0)#define CHOR_PON (CHOR_CLR_SEND_TC|CHOR_CLR_LPAUSE)#define MITE_CHCR 0x504#define CHCR_SET_DMA_IE (1<<31)#define CHCR_CLR_DMA_IE (1<<30)#define CHCR_SET_LINKP_IE (1<<29)#define CHCR_CLR_LINKP_IE (1<<28)#define CHCR_SET_SAR_IE (1<<27)#define CHCR_CLR_SAR_IE (1<<26)#define CHCR_SET_DONE_IE (1<<25)#define CHCR_CLR_DONE_IE (1<<24)#define CHCR_SET_MRDY_IE (1<<23)#define CHCR_CLR_MRDY_IE (1<<22)#define CHCR_SET_DRDY_IE (1<<21)#define CHCR_CLR_DRDY_IE (1<<20)#define CHCR_SET_LC_IE (1<<19)#define CHCR_CLR_LC_IE (1<<18)#define CHCR_SET_CONT_RB_IE (1<<17)#define CHCR_CLR_CONT_RB_IE (1<<16)#define CHCR_FIFODIS (1<<15)#define CHCR_FIFO_ON 0#define CHCR_BURSTEN (1<<14)#define CHCR_NO_BURSTEN 0#define CHCR_NFTP(x) ((x)<<11)#define CHCR_NFTP0 CHCR_NFTP(0)#define CHCR_NFTP1 CHCR_NFTP(1)#define CHCR_NFTP2 CHCR_NFTP(2)#define CHCR_NFTP4 CHCR_NFTP(3)#define CHCR_NFTP8 CHCR_NFTP(4)#define CHCR_NFTP16 CHCR_NFTP(5)#define CHCR_NETP(x) ((x)<<11)#define CHCR_NETP0 CHCR_NETP(0)#define CHCR_NETP1 CHCR_NETP(1)#define CHCR_NETP2 CHCR_NETP(2)#define CHCR_NETP4 CHCR_NETP(3)#define CHCR_NETP8 CHCR_NETP(4)#define CHCR_CHEND1 (1<<5)#define CHCR_CHEND0 (1<<4)#define CHCR_DIR (1<<3)#define CHCR_DEV_TO_MEM CHCR_DIR#define CHCR_MEM_TO_DEV 0#define CHCR_NORMAL ((0)<<0)#define CHCR_CONTINUE ((1)<<0)#define CHCR_RINGBUFF ((2)<<0)#define CHCR_LINKSHORT ((4)<<0)#define CHCR_LINKLONG ((5)<<0)#define CHCRPON (CHCR_CLR_DMA_IE | CHCR_CLR_LINKP_IE | CHCR_CLR_SAR_IE | CHCR_CLR_DONE_IE | CHCR_CLR_MRDY_IE | CHCR_CLR_DRDY_IE | CHCR_CLR_LC_IE | CHCR_CLR_CONT_IE)#define MITE_TCR 0x508/* CR bits */#define CR_RL(x) ((x)<<21)#define CR_RL0 CR_RL(0)#define CR_RL1 CR_RL(1)#define CR_RL2 CR_RL(2)#define CR_RL4 CR_RL(3)#define CR_RL8 CR_RL(4)#define CR_RL16 CR_RL(5)#define CR_RL32 CR_RL(6)#define CR_RL64 CR_RL(7)#define CR_RD(x) ((x)<<19)#define CR_RD0 CR_RD(0)#define CR_RD32 CR_RD(1)#define CR_RD512 CR_RD(2)#define CR_RD8192 CR_RD(3)#define CR_REQS(x) ((x)<<16)#define CR_REQSDRQ0 CR_REQS(4)#define CR_REQSDRQ1 CR_REQS(5)#define CR_REQSDRQ2 CR_REQS(6)#define CR_REQSDRQ3 CR_REQS(7)#define CR_ASEQx(x) ((x)<<10)#define CR_ASEQx0 CR_ASEQx(0)#define CR_ASEQDONT CR_ASEQx0#define CR_ASEQxP1 CR_ASEQx(1)#define CR_ASEQUP CR_ASEQxP1#define CR_ASEQxP2 CR_ASEQx(2)#define CR_ASEQDOWN CR_ASEQxP2#define CR_ASEQxP4 CR_ASEQx(3)#define CR_ASEQxP8 CR_ASEQx(4)#define CR_ASEQxP16 CR_ASEQx(5)#define CR_ASEQxP32 CR_ASEQx(6)#define CR_ASEQxP64 CR_ASEQx(7)#define CR_ASEQxM1 CR_ASEQx(9)#define CR_ASEQxM2 CR_ASEQx(10)#define CR_ASEQxM4 CR_ASEQx(11)#define CR_ASEQxM8 CR_ASEQx(12)#define CR_ASEQxM16 CR_ASEQx(13)#define CR_ASEQxM32 CR_ASEQx(14)#define CR_ASEQxM64 CR_ASEQx(15)#define CR_PSIZEBYTE (1<<8)#define CR_PSIZEHALF (2<<8)#define CR_PSIZEWORD (3<<8)#define CR_PORTCPU (0<<6)#define CR_PORTIO (1<<6)#define CR_PORTVXI (2<<6)#define CR_PORTMXI (3<<6)#define CR_AMDEVICE (1<<0)#define CHSR_INT (1<<31)#define CHSR_LPAUSES (1<<29)#define CHSR_SARS (1<<27)#define CHSR_DONE (1<<25)#define CHSR_MRDY (1<<23)#define CHSR_DRDY (1<<21)#define CHSR_LINKC (1<<19)#define CHSR_CONTS_RB (1<<17)#define CHSR_ERROR (1<<15)#define CHSR_SABORT (1<<14)#define CHSR_HABORT (1<<13)#define CHSR_STOPS (1<<12)#define CHSR_OPERR_mask (3<<10)#define CHSR_OPERR_NOERROR (0<<10)#define CHSR_OPERR_FIFOERROR (1<<10)#define CHSR_OPERR_LINKERROR (1<<10) /* ??? */#define CHSR_XFERR (1<<9)#define CHSR_END (1<<8)#define CHSR_DRQ1 (1<<7)#define CHSR_DRQ0 (1<<6)#define CHSR_LxERR_mask (3<<4)#define CHSR_LBERR (1<<4)#define CHSR_LRERR (2<<4)#define CHSR_LOERR (3<<4)#define CHSR_MxERR_mask (3<<2)#define CHSR_MBERR (1<<2)#define CHSR_MRERR (2<<2)#define CHSR_MOERR (3<<2)#define CHSR_DxERR_mask (3<<0)#define CHSR_DBERR (1<<0)#define CHSR_DRERR (2<<0)#define CHSR_DOERR (3<<0)#define MITE_MCR 0x50c#define MCRPON 0#define MITE_MAR 0x510#define MITE_DCR 0x514#define DCR_NORMAL (1<<29)#define DCRPON 0#define MITE_DAR 0x518#define MITE_LKCR 0x51c#define MITE_LKAR 0x520#define MITE_LLKAR 0x524#define MITE_BAR 0x528#define MITE_BCR 0x52c#define MITE_SAR 0x530#define MITE_WSCR 0x534#define MITE_WSER 0x538#define MITE_CHSR 0x53c#define MITE_FCR 0x540#define MITE_FIFO 0x80#define MITE_FIFOEND 0xff#define MITE_AMRAM 0x00#define MITE_AMDEVICE 0x01#define MITE_AMHOST_A32_SINGLE 0x09#define MITE_AMHOST_A24_SINGLE 0x39#define MITE_AMHOST_A16_SINGLE 0x29#define MITE_AMHOST_A32_BLOCK 0x0b#define MITE_AMHOST_A32D64_BLOCK 0x08#define MITE_AMHOST_A24_BLOCK 0x3b#endif⌨️ 快捷键说明
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