cregit-Linux how code gets into the kernel

Release 4.7 drivers/isdn/hisax/hfc_pci.h

/* $Id: hfc_pci.h,v 1.10.2.2 2004/01/12 22:52:26 keil Exp $
 *
 * specific defines for CCD's HFC 2BDS0 PCI chips
 *
 * Author       Werner Cornelius
 * Copyright    by Werner Cornelius  <werner@isdn4linux.de>
 *
 * This software may be used and distributed according to the terms
 * of the GNU General Public License, incorporated herein by reference.
 *
 */

/*********************************************/
/* thresholds for transparent B-channel mode */
/* change mask and threshold simultaneously  */
/*********************************************/

#define HFCPCI_BTRANS_THRESHOLD 128

#define HFCPCI_BTRANS_THRESMASK 0x00



/* defines for PCI config */


#define PCI_ENA_MEMIO    0x02

#define PCI_ENA_MASTER   0x04


/* GCI/IOM bus monitor registers */


#define HCFPCI_C_I       0x08

#define HFCPCI_TRxR      0x0C

#define HFCPCI_MON1_D    0x28

#define HFCPCI_MON2_D    0x2C


/* GCI/IOM bus timeslot registers */


#define HFCPCI_B1_SSL    0x80

#define HFCPCI_B2_SSL    0x84

#define HFCPCI_AUX1_SSL  0x88

#define HFCPCI_AUX2_SSL  0x8C

#define HFCPCI_B1_RSL    0x90

#define HFCPCI_B2_RSL    0x94

#define HFCPCI_AUX1_RSL  0x98

#define HFCPCI_AUX2_RSL  0x9C

/* GCI/IOM bus data registers */


#define HFCPCI_B1_D      0xA0

#define HFCPCI_B2_D      0xA4

#define HFCPCI_AUX1_D    0xA8

#define HFCPCI_AUX2_D    0xAC

/* GCI/IOM bus configuration registers */


#define HFCPCI_MST_EMOD  0xB4

#define HFCPCI_MST_MODE	 0xB8

#define HFCPCI_CONNECT	 0xBC


/* Interrupt and status registers */


#define HFCPCI_FIFO_EN   0x44

#define HFCPCI_TRM       0x48

#define HFCPCI_B_MODE    0x4C

#define HFCPCI_CHIP_ID   0x58

#define HFCPCI_CIRM	 0x60

#define HFCPCI_CTMT	 0x64

#define HFCPCI_INT_M1	 0x68

#define HFCPCI_INT_M2	 0x6C

#define HFCPCI_INT_S1	 0x78

#define HFCPCI_INT_S2	 0x7C

#define HFCPCI_STATUS	 0x70

/* S/T section registers */


#define HFCPCI_STATES	 0xC0

#define HFCPCI_SCTRL	 0xC4

#define HFCPCI_SCTRL_E   0xC8

#define HFCPCI_SCTRL_R   0xCC

#define HFCPCI_SQ	 0xD0

#define HFCPCI_CLKDEL	 0xDC

#define HFCPCI_B1_REC    0xF0

#define HFCPCI_B1_SEND   0xF0

#define HFCPCI_B2_REC    0xF4

#define HFCPCI_B2_SEND   0xF4

#define HFCPCI_D_REC     0xF8

#define HFCPCI_D_SEND    0xF8

#define HFCPCI_E_REC     0xFC


/* bits in status register (READ) */

#define HFCPCI_PCI_PROC   0x02

#define HFCPCI_NBUSY	  0x04

#define HFCPCI_TIMER_ELAP 0x10

#define HFCPCI_STATINT	  0x20

#define HFCPCI_FRAMEINT	  0x40

#define HFCPCI_ANYINT	  0x80

/* bits in CTMT (Write) */

#define HFCPCI_CLTIMER    0x80

#define HFCPCI_TIM3_125   0x04

#define HFCPCI_TIM25      0x10

#define HFCPCI_TIM50      0x14

#define HFCPCI_TIM400     0x18

#define HFCPCI_TIM800     0x1C

#define HFCPCI_AUTO_TIMER 0x20

#define HFCPCI_TRANSB2    0x02

#define HFCPCI_TRANSB1    0x01

/* bits in CIRM (Write) */

#define HFCPCI_AUX_MSK    0x07

#define HFCPCI_RESET	  0x08

#define HFCPCI_B1_REV     0x40

#define HFCPCI_B2_REV     0x80

/* bits in INT_M1 and INT_S1 */

#define HFCPCI_INTS_B1TRANS  0x01

#define HFCPCI_INTS_B2TRANS  0x02

#define HFCPCI_INTS_DTRANS   0x04

#define HFCPCI_INTS_B1REC    0x08

#define HFCPCI_INTS_B2REC    0x10

#define HFCPCI_INTS_DREC     0x20

#define HFCPCI_INTS_L1STATE  0x40

#define HFCPCI_INTS_TIMER    0x80

/* bits in INT_M2 */

#define HFCPCI_PROC_TRANS    0x01

#define HFCPCI_GCI_I_CHG     0x02

#define HFCPCI_GCI_MON_REC   0x04

#define HFCPCI_IRQ_ENABLE    0x08

#define HFCPCI_PMESEL        0x80

/* bits in STATES */

#define HFCPCI_STATE_MSK     0x0F

#define HFCPCI_LOAD_STATE    0x10

#define HFCPCI_ACTIVATE	     0x20

#define HFCPCI_DO_ACTION     0x40

#define HFCPCI_NT_G2_G3      0x80

/* bits in HFCD_MST_MODE */

#define HFCPCI_MASTER	     0x01

#define HFCPCI_SLAVE         0x00
/* remaining bits are for codecs control */

/* bits in HFCD_SCTRL */

#define SCTRL_B1_ENA	     0x01

#define SCTRL_B2_ENA	     0x02

#define SCTRL_MODE_TE        0x00

#define SCTRL_MODE_NT        0x04

#define SCTRL_LOW_PRIO	     0x08

#define SCTRL_SQ_ENA	     0x10

#define SCTRL_TEST	     0x20

#define SCTRL_NONE_CAP	     0x40

#define SCTRL_PWR_DOWN	     0x80

/* bits in SCTRL_E  */

#define HFCPCI_AUTO_AWAKE    0x01

#define HFCPCI_DBIT_1        0x04

#define HFCPCI_IGNORE_COL    0x08

#define HFCPCI_CHG_B1_B2     0x80

/****************************/
/* bits in FIFO_EN register */
/****************************/

#define HFCPCI_FIFOEN_B1     0x03

#define HFCPCI_FIFOEN_B2     0x0C

#define HFCPCI_FIFOEN_DTX    0x10

#define HFCPCI_FIFOEN_B1TX   0x01

#define HFCPCI_FIFOEN_B1RX   0x02

#define HFCPCI_FIFOEN_B2TX   0x04

#define HFCPCI_FIFOEN_B2RX   0x08


/***********************************/
/* definitions of fifo memory area */
/***********************************/

#define MAX_D_FRAMES 15

#define MAX_B_FRAMES 31

#define B_SUB_VAL    0x200

#define B_FIFO_SIZE  (0x2000 - B_SUB_VAL)

#define D_FIFO_SIZE  512

#define D_FREG_MASK  0xF

typedef struct {
	
unsigned short z1;  /* Z1 pointer 16 Bit */
	
unsigned short z2;  /* Z2 pointer 16 Bit */
} 
z_type;

typedef struct {
	
u_char data[D_FIFO_SIZE]; /* FIFO data space */
	
u_char fill1[0x20A0 - D_FIFO_SIZE]; /* reserved, do not use */
	

u_char f1, f2; /* f pointers */
	
u_char fill2[0x20C0 - 0x20A2]; /* reserved, do not use */
	
z_type za[MAX_D_FRAMES + 1]; /* mask index with D_FREG_MASK for access */
	
u_char fill3[0x4000 - 0x2100]; /* align 16K */
} 
dfifo_type;

typedef struct {
	
z_type za[MAX_B_FRAMES + 1]; /* only range 0x0..0x1F allowed */
	

u_char f1, f2; /* f pointers */
	
u_char fill[0x2100 - 0x2082]; /* alignment */
} 
bzfifo_type;


typedef union {
	struct {
		
dfifo_type d_tx; /* D-send channel */
		
dfifo_type d_rx; /* D-receive channel */
	} 
d_chan;
	struct {
		
u_char fill1[0x200];
		
u_char txdat_b1[B_FIFO_SIZE];
		
bzfifo_type txbz_b1;

		
bzfifo_type txbz_b2;
		
u_char txdat_b2[B_FIFO_SIZE];

		
u_char fill2[D_FIFO_SIZE];

		
u_char rxdat_b1[B_FIFO_SIZE];
		
bzfifo_type rxbz_b1;

		
bzfifo_type rxbz_b2;
		
u_char rxdat_b2[B_FIFO_SIZE];
	} 
b_chans;
	
u_char fill[32768];
} 
fifo_area;



#define Write_hfc(a, b, c) (*(((u_char *)a->hw.hfcpci.pci_io) + b) = c)

#define Read_hfc(a, b) (*(((u_char *)a->hw.hfcpci.pci_io) + b))

extern void main_irq_hcpci(struct BCState *bcs);
extern void releasehfcpci(struct IsdnCardState *cs);

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