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kernel/linux-imx6_3.14.28/include/linux/cyclades.h 10.3 KB
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  /* $Revision: 3.0 $$Date: 1998/11/02 14:20:59 $
   * linux/include/linux/cyclades.h
   *
   * This file was initially written by
   * Randolph Bentson <bentson@grieg.seaslug.org> and is maintained by
   * Ivan Passos <ivan@cyclades.com>.
   *
   * This file contains the general definitions for the cyclades.c driver
   *$Log: cyclades.h,v $
   *Revision 3.1  2002/01/29 11:36:16  henrique
   *added throttle field on struct cyclades_port to indicate whether the
   *port is throttled or not
   *
   *Revision 3.1  2000/04/19 18:52:52  ivan
   *converted address fields to unsigned long and added fields for physical
   *addresses on cyclades_card structure;
   *
   *Revision 3.0  1998/11/02 14:20:59  ivan
   *added nports field on cyclades_card structure;
   *
   *Revision 2.5  1998/08/03 16:57:01  ivan
   *added cyclades_idle_stats structure;
   * 
   *Revision 2.4  1998/06/01 12:09:53  ivan
   *removed closing_wait2 from cyclades_port structure;
   *
   *Revision 2.3  1998/03/16 18:01:12  ivan
   *changes in the cyclades_port structure to get it closer to the 
   *standard serial port structure;
   *added constants for new ioctls;
   *
   *Revision 2.2  1998/02/17 16:50:00  ivan
   *changes in the cyclades_port structure (addition of shutdown_wait and 
   *chip_rev variables);
   *added constants for new ioctls and for CD1400 rev. numbers.
   *
   *Revision 2.1	1997/10/24 16:03:00  ivan
   *added rflow (which allows enabling the CD1400 special flow control 
   *feature) and rtsdtr_inv (which allows DTR/RTS pin inversion) to 
   *cyclades_port structure;
   *added Alpha support
   *
   *Revision 2.0  1997/06/30 10:30:00  ivan
   *added some new doorbell command constants related to IOCTLW and
   *UART error signaling
   *
   *Revision 1.8  1997/06/03 15:30:00  ivan
   *added constant ZFIRM_HLT
   *added constant CyPCI_Ze_win ( = 2 * Cy_PCI_Zwin)
   *
   *Revision 1.7  1997/03/26 10:30:00  daniel
   *new entries at the end of cyclades_port struct to reallocate
   *variables illegally allocated within card memory.
   *
   *Revision 1.6  1996/09/09 18:35:30  bentson
   *fold in changes for Cyclom-Z -- including structures for
   *communicating with board as well modest changes to original
   *structures to support new features.
   *
   *Revision 1.5  1995/11/13 21:13:31  bentson
   *changes suggested by Michael Chastain <mec@duracef.shout.net>
   *to support use of this file in non-kernel applications
   *
   *
   */
  #ifndef _LINUX_CYCLADES_H
  #define _LINUX_CYCLADES_H
  
  #include <uapi/linux/cyclades.h>
  
  
  /* Per card data structure */
  struct cyclades_card {
  	void __iomem *base_addr;
  	union {
  		void __iomem *p9050;
  		struct RUNTIME_9060 __iomem *p9060;
  	} ctl_addr;
  	struct BOARD_CTRL __iomem *board_ctrl;	/* cyz specific */
  	int irq;
  	unsigned int num_chips;	/* 0 if card absent, -1 if Z/PCI, else Y */
  	unsigned int first_line;	/* minor number of first channel on card */
  	unsigned int nports;	/* Number of ports in the card */
  	int bus_index;		/* address shift - 0 for ISA, 1 for PCI */
  	int intr_enabled;		/* FW Interrupt flag - 0 disabled, 1 enabled */
  	u32 hw_ver;
  	spinlock_t card_lock;
  	struct cyclades_port *ports;
  };
  
  /***************************************
   * Memory access functions/macros      *
   * (required to support Alpha systems) *
   ***************************************/
  
  #define cy_writeb(port,val)     do { writeb((val), (port)); mb(); } while (0)
  #define cy_writew(port,val)     do { writew((val), (port)); mb(); } while (0)
  #define cy_writel(port,val)     do { writel((val), (port)); mb(); } while (0)
  
  /*
   * Statistics counters
   */
  struct cyclades_icount {
  	__u32	cts, dsr, rng, dcd, tx, rx;
  	__u32	frame, parity, overrun, brk;
  	__u32	buf_overrun;
  };
  
  /*
   * This is our internal structure for each serial port's state.
   * 
   * Many fields are paralleled by the structure used by the serial_struct
   * structure.
   *
   * For definitions of the flags field, see tty.h
   */
  
  struct cyclades_port {
  	int                     magic;
  	struct tty_port		port;
  	struct cyclades_card	*card;
  	union {
  		struct {
  			void __iomem *base_addr;
  		} cyy;
  		struct {
  			struct CH_CTRL __iomem	*ch_ctrl;
  			struct BUF_CTRL __iomem	*buf_ctrl;
  		} cyz;
  	} u;
  	int			line;
  	int			flags; 		/* defined in tty.h */
  	int                     type;		/* UART type */
  	int			read_status_mask;
  	int			ignore_status_mask;
  	int			timeout;
  	int			xmit_fifo_size;
  	int                     cor1,cor2,cor3,cor4,cor5;
  	int                     tbpr,tco,rbpr,rco;
  	int			baud;
  	int			rflow;
  	int			rtsdtr_inv;
  	int			chip_rev;
  	int			custom_divisor;
  	u8			x_char; /* to be pushed out ASAP */
  	int                     breakon;
  	int                     breakoff;
  	int			xmit_head;
  	int			xmit_tail;
  	int			xmit_cnt;
          int                     default_threshold;
          int                     default_timeout;
  	unsigned long		rflush_count;
  	struct cyclades_monitor	mon;
  	struct cyclades_idle_stats	idle_stats;
  	struct cyclades_icount	icount;
  	struct completion       shutdown_wait;
  	int throttle;
  };
  
  #define	CLOSING_WAIT_DELAY	30*HZ
  #define CY_CLOSING_WAIT_NONE	ASYNC_CLOSING_WAIT_NONE
  #define CY_CLOSING_WAIT_INF	ASYNC_CLOSING_WAIT_INF
  
  
  #define CyMAX_CHIPS_PER_CARD	8
  #define CyMAX_CHAR_FIFO		12
  #define CyPORTS_PER_CHIP	4
  #define	CD1400_MAX_SPEED	115200
  
  #define	CyISA_Ywin	0x2000
  
  #define CyPCI_Ywin 	0x4000
  #define CyPCI_Yctl 	0x80
  #define CyPCI_Zctl 	CTRL_WINDOW_SIZE
  #define CyPCI_Zwin 	0x80000
  #define CyPCI_Ze_win 	(2 * CyPCI_Zwin)
  
  #define PCI_DEVICE_ID_MASK	0x06
  
  /**** CD1400 registers ****/
  
  #define CD1400_REV_G	0x46
  #define CD1400_REV_J	0x48
  
  #define CyRegSize  	0x0400
  #define Cy_HwReset 	0x1400
  #define Cy_ClrIntr 	0x1800
  #define Cy_EpldRev 	0x1e00
  
  /* Global Registers */
  
  #define CyGFRCR		(0x40*2)
  #define      CyRevE		(44)
  #define CyCAR		(0x68*2)
  #define      CyCHAN_0		(0x00)
  #define      CyCHAN_1		(0x01)
  #define      CyCHAN_2		(0x02)
  #define      CyCHAN_3		(0x03)
  #define CyGCR		(0x4B*2)
  #define      CyCH0_SERIAL	(0x00)
  #define      CyCH0_PARALLEL	(0x80)
  #define CySVRR		(0x67*2)
  #define      CySRModem		(0x04)
  #define      CySRTransmit	(0x02)
  #define      CySRReceive	(0x01)
  #define CyRICR		(0x44*2)
  #define CyTICR		(0x45*2)
  #define CyMICR		(0x46*2)
  #define      CyICR0		(0x00)
  #define      CyICR1		(0x01)
  #define      CyICR2		(0x02)
  #define      CyICR3		(0x03)
  #define CyRIR		(0x6B*2)
  #define CyTIR		(0x6A*2)
  #define CyMIR		(0x69*2)
  #define      CyIRDirEq		(0x80)
  #define      CyIRBusy		(0x40)
  #define      CyIRUnfair		(0x20)
  #define      CyIRContext	(0x1C)
  #define      CyIRChannel	(0x03)
  #define CyPPR 		(0x7E*2)
  #define      CyCLOCK_20_1MS	(0x27)
  #define      CyCLOCK_25_1MS	(0x31)
  #define      CyCLOCK_25_5MS	(0xf4)
  #define      CyCLOCK_60_1MS	(0x75)
  #define      CyCLOCK_60_2MS	(0xea)
  
  /* Virtual Registers */
  
  #define CyRIVR		(0x43*2)
  #define CyTIVR		(0x42*2)
  #define CyMIVR		(0x41*2)
  #define      CyIVRMask (0x07)
  #define      CyIVRRxEx (0x07)
  #define      CyIVRRxOK (0x03)
  #define      CyIVRTxOK (0x02)
  #define      CyIVRMdmOK (0x01)
  #define CyTDR		(0x63*2)
  #define CyRDSR		(0x62*2)
  #define      CyTIMEOUT		(0x80)
  #define      CySPECHAR		(0x70)
  #define      CyBREAK		(0x08)
  #define      CyPARITY		(0x04)
  #define      CyFRAME		(0x02)
  #define      CyOVERRUN		(0x01)
  #define CyMISR		(0x4C*2)
  /* see CyMCOR_ and CyMSVR_ for bits*/
  #define CyEOSRR		(0x60*2)
  
  /* Channel Registers */
  
  #define CyLIVR		(0x18*2)
  #define      CyMscsr		(0x01)
  #define      CyTdsr		(0x02)
  #define      CyRgdsr		(0x03)
  #define      CyRedsr		(0x07)
  #define CyCCR		(0x05*2)
  /* Format 1 */
  #define      CyCHAN_RESET	(0x80)
  #define      CyCHIP_RESET	(0x81)
  #define      CyFlushTransFIFO	(0x82)
  /* Format 2 */
  #define      CyCOR_CHANGE	(0x40)
  #define      CyCOR1ch		(0x02)
  #define      CyCOR2ch		(0x04)
  #define      CyCOR3ch		(0x08)
  /* Format 3 */
  #define      CySEND_SPEC_1	(0x21)
  #define      CySEND_SPEC_2	(0x22)
  #define      CySEND_SPEC_3	(0x23)
  #define      CySEND_SPEC_4	(0x24)
  /* Format 4 */
  #define      CyCHAN_CTL		(0x10)
  #define      CyDIS_RCVR		(0x01)
  #define      CyENB_RCVR		(0x02)
  #define      CyDIS_XMTR		(0x04)
  #define      CyENB_XMTR		(0x08)
  #define CySRER		(0x06*2)
  #define      CyMdmCh		(0x80)
  #define      CyRxData		(0x10)
  #define      CyTxRdy		(0x04)
  #define      CyTxMpty		(0x02)
  #define      CyNNDT		(0x01)
  #define CyCOR1		(0x08*2)
  #define      CyPARITY_NONE	(0x00)
  #define      CyPARITY_0		(0x20)
  #define      CyPARITY_1		(0xA0)
  #define      CyPARITY_E		(0x40)
  #define      CyPARITY_O		(0xC0)
  #define      Cy_1_STOP		(0x00)
  #define      Cy_1_5_STOP	(0x04)
  #define      Cy_2_STOP		(0x08)
  #define      Cy_5_BITS		(0x00)
  #define      Cy_6_BITS		(0x01)
  #define      Cy_7_BITS		(0x02)
  #define      Cy_8_BITS		(0x03)
  #define CyCOR2		(0x09*2)
  #define      CyIXM		(0x80)
  #define      CyTxIBE		(0x40)
  #define      CyETC		(0x20)
  #define      CyAUTO_TXFL	(0x60)
  #define      CyLLM		(0x10)
  #define      CyRLM		(0x08)
  #define      CyRtsAO		(0x04)
  #define      CyCtsAE		(0x02)
  #define      CyDsrAE		(0x01)
  #define CyCOR3		(0x0A*2)
  #define      CySPL_CH_DRANGE	(0x80)  /* special character detect range */
  #define      CySPL_CH_DET1	(0x40)  /* enable special character detection
                                                                 on SCHR4-SCHR3 */
  #define      CyFL_CTRL_TRNSP	(0x20)  /* Flow Control Transparency */
  #define      CySPL_CH_DET2	(0x10)  /* Enable special character detection
                                                                 on SCHR2-SCHR1 */
  #define      CyREC_FIFO		(0x0F)  /* Receive FIFO threshold */
  #define CyCOR4		(0x1E*2)
  #define CyCOR5		(0x1F*2)
  #define CyCCSR		(0x0B*2)
  #define      CyRxEN		(0x80)
  #define      CyRxFloff		(0x40)
  #define      CyRxFlon		(0x20)
  #define      CyTxEN		(0x08)
  #define      CyTxFloff		(0x04)
  #define      CyTxFlon		(0x02)
  #define CyRDCR		(0x0E*2)
  #define CySCHR1		(0x1A*2)
  #define CySCHR2 	(0x1B*2)
  #define CySCHR3		(0x1C*2)
  #define CySCHR4		(0x1D*2)
  #define CySCRL		(0x22*2)
  #define CySCRH		(0x23*2)
  #define CyLNC		(0x24*2)
  #define CyMCOR1 	(0x15*2)
  #define CyMCOR2		(0x16*2)
  #define CyRTPR		(0x21*2)
  #define CyMSVR1		(0x6C*2)
  #define CyMSVR2		(0x6D*2)
  #define      CyANY_DELTA	(0xF0)
  #define      CyDSR		(0x80)
  #define      CyCTS		(0x40)
  #define      CyRI		(0x20)
  #define      CyDCD		(0x10)
  #define      CyDTR              (0x02)
  #define      CyRTS              (0x01)
  #define CyPVSR		(0x6F*2)
  #define CyRBPR		(0x78*2)
  #define CyRCOR		(0x7C*2)
  #define CyTBPR		(0x72*2)
  #define CyTCOR		(0x76*2)
  
  /* Custom Registers */
  
  #define	CyPLX_VER	(0x3400)
  #define	PLX_9050	0x0b
  #define	PLX_9060	0x0c
  #define	PLX_9080	0x0d
  
  /***************************************************************************/
  
  #endif /* _LINUX_CYCLADES_H */