Release 4.7 drivers/isdn/hardware/mISDN/hfc_pci.h
/*
* specific defines for CCD's HFC 2BDS0 PCI chips
*
* Author Werner Cornelius (werner@isdn4linux.de)
*
* Copyright 1999 by Werner Cornelius (werner@isdn4linux.de)
*
* 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, 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.
*
*/
/*
* thresholds for transparent B-channel mode
* change mask and threshold simultaneously
*/
#define HFCPCI_BTRANS_THRESHOLD 128
#define HFCPCI_FILLEMPTY 64
#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
#define HFCPCI_F0IO_POSITIV 0x02
#define HFCPCI_F0_NEGATIV 0x04
#define HFCPCI_F0_2C4 0x08
/* 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
struct zt {
__le16 z1; /* Z1 pointer 16 Bit */
__le16 z2; /* Z2 pointer 16 Bit */
};
struct dfifo {
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 */
/* mask index with D_FREG_MASK for access */
struct zt za[MAX_D_FRAMES + 1];
u_char fill3[0x4000 - 0x2100]; /* align 16K */
};
struct bzfifo {
struct zt za[MAX_B_FRAMES + 1]; /* only range 0x0..0x1F allowed */
u_char f1, f2; /* f pointers */
u_char fill[0x2100 - 0x2082]; /* alignment */
};
union fifo_area {
struct {
struct dfifo d_tx; /* D-send channel */
struct dfifo d_rx; /* D-receive channel */
}
d_chan;
struct {
u_char fill1[0x200];
u_char txdat_b1[B_FIFO_SIZE];
struct bzfifo txbz_b1;
struct bzfifo txbz_b2;
u_char txdat_b2[B_FIFO_SIZE];
u_char fill2[D_FIFO_SIZE];
u_char rxdat_b1[B_FIFO_SIZE];
struct bzfifo rxbz_b1;
struct bzfifo rxbz_b2;
u_char rxdat_b2[B_FIFO_SIZE];
}
b_chans;
u_char fill[32768];
};
#define Write_hfc(a, b, c) (writeb(c, (a->hw.pci_io) + b))
#define Read_hfc(a, b) (readb((a->hw.pci_io) + b))
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