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Date: Wed, 22 Jul 2009 19:42:46 +0200
From: Karsten Keil <keil@...systems.de>
To: linux-kernel@...r.kernel.org
Cc: netdev@...r.kernel.org, David Miller <davem@...emloft.net>,
i4ldeveloper@...tserv.isdn4linux.de
Subject: [PATCH 06/13] mISDN: Add driver for Infineon ISDN chipset family
This driver supports cards with Infineon ISAC/HSCX, ISACX, IPAC
and IPACX chips from various manufacturers.
Signed-off-by: Karsten Keil <keil@...systems.de>
---
drivers/isdn/hardware/mISDN/Kconfig | 14 +
drivers/isdn/hardware/mISDN/Makefile | 3 +
drivers/isdn/hardware/mISDN/iohelper.h | 109 ++
drivers/isdn/hardware/mISDN/ipac.h | 405 +++++++
drivers/isdn/hardware/mISDN/mISDNinfineon.c | 1178 +++++++++++++++++++
drivers/isdn/hardware/mISDN/mISDNipac.c | 1655 +++++++++++++++++++++++++++
6 files changed, 3364 insertions(+), 0 deletions(-)
create mode 100644 drivers/isdn/hardware/mISDN/iohelper.h
create mode 100644 drivers/isdn/hardware/mISDN/ipac.h
create mode 100644 drivers/isdn/hardware/mISDN/mISDNinfineon.c
create mode 100644 drivers/isdn/hardware/mISDN/mISDNipac.c
diff --git a/drivers/isdn/hardware/mISDN/Kconfig b/drivers/isdn/hardware/mISDN/Kconfig
index 3024566..a8542b8 100644
--- a/drivers/isdn/hardware/mISDN/Kconfig
+++ b/drivers/isdn/hardware/mISDN/Kconfig
@@ -39,3 +39,17 @@ config MISDN_HFCUSB
Enable support for USB ISDN TAs with Cologne Chip AG's
HFC-S USB ISDN Controller
+config MISDN_INFINEON
+ tristate "Support for cards with Infineon chipset"
+ depends on MISDN
+ depends on PCI
+ select MISDN_IPAC
+ help
+ Enable support for cards with ISAC + HSCX, IPAC or IPAC-SX
+ chip from Infineon (former manufacturer Siemens).
+
+
+config MISDN_IPAC
+ tristate
+ depends on MISDN
+
diff --git a/drivers/isdn/hardware/mISDN/Makefile b/drivers/isdn/hardware/mISDN/Makefile
index b040352..2863455 100644
--- a/drivers/isdn/hardware/mISDN/Makefile
+++ b/drivers/isdn/hardware/mISDN/Makefile
@@ -6,3 +6,6 @@
obj-$(CONFIG_MISDN_HFCPCI) += hfcpci.o
obj-$(CONFIG_MISDN_HFCMULTI) += hfcmulti.o
obj-$(CONFIG_MISDN_HFCUSB) += hfcsusb.o
+obj-$(CONFIG_MISDN_INFINEON) += mISDNinfineon.o
+# chip modules
+obj-$(CONFIG_MISDN_IPAC) += mISDNipac.o
diff --git a/drivers/isdn/hardware/mISDN/iohelper.h b/drivers/isdn/hardware/mISDN/iohelper.h
new file mode 100644
index 0000000..c16a217
--- /dev/null
+++ b/drivers/isdn/hardware/mISDN/iohelper.h
@@ -0,0 +1,109 @@
+/*
+ * iohelper.h
+ * helper for define functions to access ISDN hardware
+ * supported are memory mapped IO
+ * indirect port IO (one port for address, one for data)
+ *
+ * Author Karsten Keil <keil@...n4linux.de>
+ *
+ * Copyright 2009 by Karsten Keil <keil@...n4linux.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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 _IOHELPER_H
+#define _IOHELPER_H
+
+typedef u8 (read_reg_t)(void *, u8);
+typedef void (write_reg_t)(void *, u8, u8);
+typedef void (fifo_func_t)(void *, u8, u8 *, int);
+
+struct _ioport {
+ u32 port;
+ u32 ale;
+};
+
+#define IOFUNC_IO(name, hws, ap) \
+ static u8 Read##name##_IO(void *p, u8 off) {\
+ struct hws *hw = p;\
+ return inb(hw->ap.port + off);\
+ } \
+ static void Write##name##_IO(void *p, u8 off, u8 val) {\
+ struct hws *hw = p;\
+ outb(val, hw->ap.port + off);\
+ } \
+ static void ReadFiFo##name##_IO(void *p, u8 off, u8 *dp, int size) {\
+ struct hws *hw = p;\
+ insb(hw->ap.port + off, dp, size);\
+ } \
+ static void WriteFiFo##name##_IO(void *p, u8 off, u8 *dp, int size) {\
+ struct hws *hw = p;\
+ outsb(hw->ap.port + off, dp, size);\
+ }
+
+#define IOFUNC_IND(name, hws, ap) \
+ static u8 Read##name##_IND(void *p, u8 off) {\
+ struct hws *hw = p;\
+ outb(off, hw->ap.ale);\
+ return inb(hw->ap.port);\
+ } \
+ static void Write##name##_IND(void *p, u8 off, u8 val) {\
+ struct hws *hw = p;\
+ outb(off, hw->ap.ale);\
+ outb(val, hw->ap.port);\
+ } \
+ static void ReadFiFo##name##_IND(void *p, u8 off, u8 *dp, int size) {\
+ struct hws *hw = p;\
+ outb(off, hw->ap.ale);\
+ insb(hw->ap.port, dp, size);\
+ } \
+ static void WriteFiFo##name##_IND(void *p, u8 off, u8 *dp, int size) {\
+ struct hws *hw = p;\
+ outb(off, hw->ap.ale);\
+ outsb(hw->ap.port, dp, size);\
+ }
+
+#define IOFUNC_MEMIO(name, hws, typ, adr) \
+ static u8 Read##name##_MIO(void *p, u8 off) {\
+ struct hws *hw = p;\
+ return readb(((typ *)hw->adr) + off);\
+ } \
+ static void Write##name##_MIO(void *p, u8 off, u8 val) {\
+ struct hws *hw = p;\
+ writeb(val, ((typ *)hw->adr) + off);\
+ } \
+ static void ReadFiFo##name##_MIO(void *p, u8 off, u8 *dp, int size) {\
+ struct hws *hw = p;\
+ while (size--)\
+ *dp++ = readb(((typ *)hw->adr) + off);\
+ } \
+ static void WriteFiFo##name##_MIO(void *p, u8 off, u8 *dp, int size) {\
+ struct inf_hw *hw = p;\
+ while (size--)\
+ writeb(*dp++, ((typ *)hw->adr) + off);\
+ }
+
+#define ASSIGN_FUNC(typ, name, dest) do {\
+ dest.read_reg = &Read##name##_##typ;\
+ dest.write_reg = &Write##name##_##typ;\
+ dest.read_fifo = &ReadFiFo##name##_##typ;\
+ dest.write_fifo = &WriteFiFo##name##_##typ;\
+ } while (0)
+#define ASSIGN_FUNC_IPAC(typ, target) do {\
+ ASSIGN_FUNC(typ, ISAC, target.isac);\
+ ASSIGN_FUNC(typ, IPAC, target);\
+ } while (0)
+
+#endif
\ No newline at end of file
diff --git a/drivers/isdn/hardware/mISDN/ipac.h b/drivers/isdn/hardware/mISDN/ipac.h
new file mode 100644
index 0000000..f9601d5
--- /dev/null
+++ b/drivers/isdn/hardware/mISDN/ipac.h
@@ -0,0 +1,405 @@
+/*
+ *
+ * ipac.h Defines for the Infineon (former Siemens) ISDN
+ * chip series
+ *
+ * Author Karsten Keil <keil@...n4linux.de>
+ *
+ * Copyright 2009 by Karsten Keil <keil@...n4linux.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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.
+ *
+ */
+
+#include "iohelper.h"
+
+struct isac_hw {
+ struct dchannel dch;
+ u32 type;
+ u32 off; /* offset to isac regs */
+ char *name;
+ spinlock_t *hwlock; /* lock HW acccess */
+ read_reg_t *read_reg;
+ write_reg_t *write_reg;
+ fifo_func_t *read_fifo;
+ fifo_func_t *write_fifo;
+ int (*monitor)(void *, u32, u8 *, int);
+ void (*release)(struct isac_hw *);
+ int (*init)(struct isac_hw *);
+ int (*ctrl)(struct isac_hw *, u32, u_long);
+ int (*open)(struct isac_hw *, struct channel_req *);
+ u8 *mon_tx;
+ u8 *mon_rx;
+ int mon_txp;
+ int mon_txc;
+ int mon_rxp;
+ struct arcofi_msg *arcofi_list;
+ struct timer_list arcofitimer;
+ wait_queue_head_t arcofi_wait;
+ u8 arcofi_bc;
+ u8 arcofi_state;
+ u8 mocr;
+ u8 adf2;
+ u8 state;
+};
+
+struct ipac_hw;
+
+struct hscx_hw {
+ struct bchannel bch;
+ struct ipac_hw *ip;
+ u8 fifo_size;
+ u8 off; /* offset to ICA or ICB */
+ u8 slot;
+ char log[64];
+};
+
+struct ipac_hw {
+ struct isac_hw isac;
+ struct hscx_hw hscx[2];
+ char *name;
+ void *hw;
+ spinlock_t *hwlock; /* lock HW acccess */
+ struct module *owner;
+ u32 type;
+ read_reg_t *read_reg;
+ write_reg_t *write_reg;
+ fifo_func_t *read_fifo;
+ fifo_func_t *write_fifo;
+ void (*release)(struct ipac_hw *);
+ int (*init)(struct ipac_hw *);
+ int (*ctrl)(struct ipac_hw *, u32, u_long);
+ u8 conf;
+};
+
+#define IPAC_TYPE_ISAC 0x0010
+#define IPAC_TYPE_IPAC 0x0020
+#define IPAC_TYPE_ISACX 0x0040
+#define IPAC_TYPE_IPACX 0x0080
+#define IPAC_TYPE_HSCX 0x0100
+
+#define ISAC_USE_ARCOFI 0x1000
+
+/* Monitor functions */
+#define MONITOR_RX_0 0x1000
+#define MONITOR_RX_1 0x1001
+#define MONITOR_TX_0 0x2000
+#define MONITOR_TX_1 0x2001
+
+/* All registers original Siemens Spec */
+/* IPAC/ISAC registers */
+#define ISAC_MASK 0x20
+#define ISAC_ISTA 0x20
+#define ISAC_STAR 0x21
+#define ISAC_CMDR 0x21
+#define ISAC_EXIR 0x24
+#define ISAC_ADF2 0x39
+#define ISAC_SPCR 0x30
+#define ISAC_ADF1 0x38
+#define ISAC_CIR0 0x31
+#define ISAC_CIX0 0x31
+#define ISAC_CIR1 0x33
+#define ISAC_CIX1 0x33
+#define ISAC_STCR 0x37
+#define ISAC_MODE 0x22
+#define ISAC_RSTA 0x27
+#define ISAC_RBCL 0x25
+#define ISAC_RBCH 0x2A
+#define ISAC_TIMR 0x23
+#define ISAC_SQXR 0x3b
+#define ISAC_SQRR 0x3b
+#define ISAC_MOSR 0x3a
+#define ISAC_MOCR 0x3a
+#define ISAC_MOR0 0x32
+#define ISAC_MOX0 0x32
+#define ISAC_MOR1 0x34
+#define ISAC_MOX1 0x34
+
+#define ISAC_RBCH_XAC 0x80
+
+#define IPAC_D_TIN2 0x01
+
+/* IPAC/HSCX */
+#define IPAC_ISTAB 0x20 /* RD */
+#define IPAC_MASKB 0x20 /* WR */
+#define IPAC_STARB 0x21 /* RD */
+#define IPAC_CMDRB 0x21 /* WR */
+#define IPAC_MODEB 0x22 /* R/W */
+#define IPAC_EXIRB 0x24 /* RD */
+#define IPAC_RBCLB 0x25 /* RD */
+#define IPAC_RAH1 0x26 /* WR */
+#define IPAC_RAH2 0x27 /* WR */
+#define IPAC_RSTAB 0x27 /* RD */
+#define IPAC_RAL1 0x28 /* R/W */
+#define IPAC_RAL2 0x29 /* WR */
+#define IPAC_RHCRB 0x29 /* RD */
+#define IPAC_XBCL 0x2A /* WR */
+#define IPAC_CCR2 0x2C /* R/W */
+#define IPAC_RBCHB 0x2D /* RD */
+#define IPAC_XBCH 0x2D /* WR */
+#define HSCX_VSTR 0x2E /* RD */
+#define IPAC_RLCR 0x2E /* WR */
+#define IPAC_CCR1 0x2F /* R/W */
+#define IPAC_TSAX 0x30 /* WR */
+#define IPAC_TSAR 0x31 /* WR */
+#define IPAC_XCCR 0x32 /* WR */
+#define IPAC_RCCR 0x33 /* WR */
+
+/* IPAC_ISTAB/IPAC_MASKB bits */
+#define IPAC_B_XPR 0x10
+#define IPAC_B_RPF 0x40
+#define IPAC_B_RME 0x80
+#define IPAC_B_ON 0x2F
+
+/* IPAC_EXIRB bits */
+#define IPAC_B_RFS 0x04
+#define IPAC_B_RFO 0x10
+#define IPAC_B_XDU 0x40
+#define IPAC_B_XMR 0x80
+
+/* IPAC special registers */
+#define IPAC_CONF 0xC0 /* R/W */
+#define IPAC_ISTA 0xC1 /* RD */
+#define IPAC_MASK 0xC1 /* WR */
+#define IPAC_ID 0xC2 /* RD */
+#define IPAC_ACFG 0xC3 /* R/W */
+#define IPAC_AOE 0xC4 /* R/W */
+#define IPAC_ARX 0xC5 /* RD */
+#define IPAC_ATX 0xC5 /* WR */
+#define IPAC_PITA1 0xC6 /* R/W */
+#define IPAC_PITA2 0xC7 /* R/W */
+#define IPAC_POTA1 0xC8 /* R/W */
+#define IPAC_POTA2 0xC9 /* R/W */
+#define IPAC_PCFG 0xCA /* R/W */
+#define IPAC_SCFG 0xCB /* R/W */
+#define IPAC_TIMR2 0xCC /* R/W */
+
+/* IPAC_ISTA/_MASK bits */
+#define IPAC__EXB 0x01
+#define IPAC__ICB 0x02
+#define IPAC__EXA 0x04
+#define IPAC__ICA 0x08
+#define IPAC__EXD 0x10
+#define IPAC__ICD 0x20
+#define IPAC__INT0 0x40
+#define IPAC__INT1 0x80
+#define IPAC__ON 0xC0
+
+/* HSCX ISTA/MASK bits */
+#define HSCX__EXB 0x01
+#define HSCX__EXA 0x02
+#define HSCX__ICA 0x04
+
+/* ISAC/ISACX/IPAC/IPACX L1 commands */
+#define ISAC_CMD_TIM 0x0
+#define ISAC_CMD_RS 0x1
+#define ISAC_CMD_SCZ 0x4
+#define ISAC_CMD_SSZ 0x2
+#define ISAC_CMD_AR8 0x8
+#define ISAC_CMD_AR10 0x9
+#define ISAC_CMD_ARL 0xA
+#define ISAC_CMD_DUI 0xF
+
+/* ISAC/ISACX/IPAC/IPACX L1 indications */
+#define ISAC_IND_RS 0x1
+#define ISAC_IND_PU 0x7
+#define ISAC_IND_DR 0x0
+#define ISAC_IND_SD 0x2
+#define ISAC_IND_DIS 0x3
+#define ISAC_IND_EI 0x6
+#define ISAC_IND_RSY 0x4
+#define ISAC_IND_ARD 0x8
+#define ISAC_IND_TI 0xA
+#define ISAC_IND_ATI 0xB
+#define ISAC_IND_AI8 0xC
+#define ISAC_IND_AI10 0xD
+#define ISAC_IND_DID 0xF
+
+/* the new ISACX / IPACX */
+/* D-channel registers */
+#define ISACX_RFIFOD 0x00 /* RD */
+#define ISACX_XFIFOD 0x00 /* WR */
+#define ISACX_ISTAD 0x20 /* RD */
+#define ISACX_MASKD 0x20 /* WR */
+#define ISACX_STARD 0x21 /* RD */
+#define ISACX_CMDRD 0x21 /* WR */
+#define ISACX_MODED 0x22 /* R/W */
+#define ISACX_EXMD1 0x23 /* R/W */
+#define ISACX_TIMR1 0x24 /* R/W */
+#define ISACX_SAP1 0x25 /* WR */
+#define ISACX_SAP2 0x26 /* WR */
+#define ISACX_RBCLD 0x26 /* RD */
+#define ISACX_RBCHD 0x27 /* RD */
+#define ISACX_TEI1 0x27 /* WR */
+#define ISACX_TEI2 0x28 /* WR */
+#define ISACX_RSTAD 0x28 /* RD */
+#define ISACX_TMD 0x29 /* R/W */
+#define ISACX_CIR0 0x2E /* RD */
+#define ISACX_CIX0 0x2E /* WR */
+#define ISACX_CIR1 0x2F /* RD */
+#define ISACX_CIX1 0x2F /* WR */
+
+/* Transceiver registers */
+#define ISACX_TR_CONF0 0x30 /* R/W */
+#define ISACX_TR_CONF1 0x31 /* R/W */
+#define ISACX_TR_CONF2 0x32 /* R/W */
+#define ISACX_TR_STA 0x33 /* RD */
+#define ISACX_TR_CMD 0x34 /* R/W */
+#define ISACX_SQRR1 0x35 /* RD */
+#define ISACX_SQXR1 0x35 /* WR */
+#define ISACX_SQRR2 0x36 /* RD */
+#define ISACX_SQXR2 0x36 /* WR */
+#define ISACX_SQRR3 0x37 /* RD */
+#define ISACX_SQXR3 0x37 /* WR */
+#define ISACX_ISTATR 0x38 /* RD */
+#define ISACX_MASKTR 0x39 /* R/W */
+#define ISACX_TR_MODE 0x3A /* R/W */
+#define ISACX_ACFG1 0x3C /* R/W */
+#define ISACX_ACFG2 0x3D /* R/W */
+#define ISACX_AOE 0x3E /* R/W */
+#define ISACX_ARX 0x3F /* RD */
+#define ISACX_ATX 0x3F /* WR */
+
+/* IOM: Timeslot, DPS, CDA */
+#define ISACX_CDA10 0x40 /* R/W */
+#define ISACX_CDA11 0x41 /* R/W */
+#define ISACX_CDA20 0x42 /* R/W */
+#define ISACX_CDA21 0x43 /* R/W */
+#define ISACX_CDA_TSDP10 0x44 /* R/W */
+#define ISACX_CDA_TSDP11 0x45 /* R/W */
+#define ISACX_CDA_TSDP20 0x46 /* R/W */
+#define ISACX_CDA_TSDP21 0x47 /* R/W */
+#define ISACX_BCHA_TSDP_BC1 0x48 /* R/W */
+#define ISACX_BCHA_TSDP_BC2 0x49 /* R/W */
+#define ISACX_BCHB_TSDP_BC1 0x4A /* R/W */
+#define ISACX_BCHB_TSDP_BC2 0x4B /* R/W */
+#define ISACX_TR_TSDP_BC1 0x4C /* R/W */
+#define ISACX_TR_TSDP_BC2 0x4D /* R/W */
+#define ISACX_CDA1_CR 0x4E /* R/W */
+#define ISACX_CDA2_CR 0x4F /* R/W */
+
+/* IOM: Contol, Sync transfer, Monitor */
+#define ISACX_TR_CR 0x50 /* R/W */
+#define ISACX_TRC_CR 0x50 /* R/W */
+#define ISACX_BCHA_CR 0x51 /* R/W */
+#define ISACX_BCHB_CR 0x52 /* R/W */
+#define ISACX_DCI_CR 0x53 /* R/W */
+#define ISACX_DCIC_CR 0x53 /* R/W */
+#define ISACX_MON_CR 0x54 /* R/W */
+#define ISACX_SDS1_CR 0x55 /* R/W */
+#define ISACX_SDS2_CR 0x56 /* R/W */
+#define ISACX_IOM_CR 0x57 /* R/W */
+#define ISACX_STI 0x58 /* RD */
+#define ISACX_ASTI 0x58 /* WR */
+#define ISACX_MSTI 0x59 /* R/W */
+#define ISACX_SDS_CONF 0x5A /* R/W */
+#define ISACX_MCDA 0x5B /* RD */
+#define ISACX_MOR 0x5C /* RD */
+#define ISACX_MOX 0x5C /* WR */
+#define ISACX_MOSR 0x5D /* RD */
+#define ISACX_MOCR 0x5E /* R/W */
+#define ISACX_MSTA 0x5F /* RD */
+#define ISACX_MCONF 0x5F /* WR */
+
+/* Interrupt and general registers */
+#define ISACX_ISTA 0x60 /* RD */
+#define ISACX_MASK 0x60 /* WR */
+#define ISACX_AUXI 0x61 /* RD */
+#define ISACX_AUXM 0x61 /* WR */
+#define ISACX_MODE1 0x62 /* R/W */
+#define ISACX_MODE2 0x63 /* R/W */
+#define ISACX_ID 0x64 /* RD */
+#define ISACX_SRES 0x64 /* WR */
+#define ISACX_TIMR2 0x65 /* R/W */
+
+/* Register Bits */
+/* ISACX/IPACX _ISTAD (R) and _MASKD (W) */
+#define ISACX_D_XDU 0x04
+#define ISACX_D_XMR 0x08
+#define ISACX_D_XPR 0x10
+#define ISACX_D_RFO 0x20
+#define ISACX_D_RPF 0x40
+#define ISACX_D_RME 0x80
+
+/* ISACX/IPACX _ISTA (R) and _MASK (W) */
+#define ISACX__ICD 0x01
+#define ISACX__MOS 0x02
+#define ISACX__TRAN 0x04
+#define ISACX__AUX 0x08
+#define ISACX__CIC 0x10
+#define ISACX__ST 0x20
+#define IPACX__ICB 0x40
+#define IPACX__ICA 0x80
+#define IPACX__ON 0x2C
+
+/* ISACX/IPACX _CMDRD (W) */
+#define ISACX_CMDRD_XRES 0x01
+#define ISACX_CMDRD_XME 0x02
+#define ISACX_CMDRD_XTF 0x08
+#define ISACX_CMDRD_STI 0x10
+#define ISACX_CMDRD_RRES 0x40
+#define ISACX_CMDRD_RMC 0x80
+
+/* ISACX/IPACX _RSTAD (R) */
+#define ISACX_RSTAD_TA 0x01
+#define ISACX_RSTAD_CR 0x02
+#define ISACX_RSTAD_SA0 0x04
+#define ISACX_RSTAD_SA1 0x08
+#define ISACX_RSTAD_RAB 0x10
+#define ISACX_RSTAD_CRC 0x20
+#define ISACX_RSTAD_RDO 0x40
+#define ISACX_RSTAD_VFR 0x80
+
+/* ISACX/IPACX _CIR0 (R) */
+#define ISACX_CIR0_BAS 0x01
+#define ISACX_CIR0_SG 0x08
+#define ISACX_CIR0_CIC1 0x08
+#define ISACX_CIR0_CIC0 0x08
+
+/* B-channel registers */
+#define IPACX_OFF_ICA 0x70
+#define IPACX_OFF_ICB 0x80
+
+/* ICA: IPACX_OFF_ICA + Reg ICB: IPACX_OFF_ICB + Reg */
+
+#define IPACX_ISTAB 0x00 /* RD */
+#define IPACX_MASKB 0x00 /* WR */
+#define IPACX_STARB 0x01 /* RD */
+#define IPACX_CMDRB 0x01 /* WR */
+#define IPACX_MODEB 0x02 /* R/W */
+#define IPACX_EXMB 0x03 /* R/W */
+#define IPACX_RAH1 0x05 /* WR */
+#define IPACX_RAH2 0x06 /* WR */
+#define IPACX_RBCLB 0x06 /* RD */
+#define IPACX_RBCHB 0x07 /* RD */
+#define IPACX_RAL1 0x07 /* WR */
+#define IPACX_RAL2 0x08 /* WR */
+#define IPACX_RSTAB 0x08 /* RD */
+#define IPACX_TMB 0x09 /* R/W */
+#define IPACX_RFIFOB 0x0A /* RD */
+#define IPACX_XFIFOB 0x0A /* WR */
+
+/* IPACX_ISTAB / IPACX_MASKB bits */
+#define IPACX_B_XDU 0x04
+#define IPACX_B_XPR 0x10
+#define IPACX_B_RFO 0x20
+#define IPACX_B_RPF 0x40
+#define IPACX_B_RME 0x80
+
+#define IPACX_B_ON 0x0B
+
+extern int mISDNisac_init(struct isac_hw *, void *);
+extern irqreturn_t mISDNisac_irq(struct isac_hw *, u8);
+extern u32 mISDNipac_init(struct ipac_hw *, void *);
+extern irqreturn_t mISDNipac_irq(struct ipac_hw *, int);
diff --git a/drivers/isdn/hardware/mISDN/mISDNinfineon.c b/drivers/isdn/hardware/mISDN/mISDNinfineon.c
new file mode 100644
index 0000000..62441ba
--- /dev/null
+++ b/drivers/isdn/hardware/mISDN/mISDNinfineon.c
@@ -0,0 +1,1178 @@
+/*
+ * mISDNinfineon.c
+ * Support for cards based on following Infineon ISDN chipsets
+ * - ISAC + HSCX
+ * - IPAC and IPAC-X
+ * - ISAC-SX + HSCX
+ *
+ * Supported cards:
+ * - Dialogic Diva 2.0
+ * - Dialogic Diva 2.0U
+ * - Dialogic Diva 2.01
+ * - Dialogic Diva 2.02
+ * - Sedlbauer Speedwin
+ * - HST Saphir3
+ * - Develo (former ELSA) Microlink PCI (Quickstep 1000)
+ * - Develo (former ELSA) Quickstep 3000
+ * - Berkom Scitel BRIX Quadro
+ * - Dr.Neuhaus (Sagem) Niccy
+ *
+ *
+ *
+ * Author Karsten Keil <keil@...n4linux.de>
+ *
+ * Copyright 2009 by Karsten Keil <keil@...n4linux.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/mISDNhw.h>
+#include "ipac.h"
+
+#define INFINEON_REV "1.0"
+
+static int inf_cnt;
+static u32 debug;
+static u32 irqloops = 4;
+
+enum inf_types {
+ INF_NONE,
+ INF_DIVA20,
+ INF_DIVA20U,
+ INF_DIVA201,
+ INF_DIVA202,
+ INF_SPEEDWIN,
+ INF_SAPHIR3,
+ INF_QS1000,
+ INF_QS3000,
+ INF_NICCY,
+ INF_SCT_1,
+ INF_SCT_2,
+ INF_SCT_3,
+ INF_SCT_4,
+ INF_GAZEL_R685,
+ INF_GAZEL_R753
+};
+
+enum addr_mode {
+ AM_NONE = 0,
+ AM_IO,
+ AM_MEMIO,
+ AM_IND_IO,
+};
+
+struct inf_cinfo {
+ enum inf_types typ;
+ const char *full;
+ const char *name;
+ enum addr_mode cfg_mode;
+ enum addr_mode addr_mode;
+ u8 cfg_bar;
+ u8 addr_bar;
+ void *irqfunc;
+};
+
+struct _ioaddr {
+ enum addr_mode mode;
+ union {
+ void __iomem *p;
+ struct _ioport io;
+ } a;
+};
+
+struct _iohandle {
+ enum addr_mode mode;
+ resource_size_t size;
+ resource_size_t start;
+ void __iomem *p;
+};
+
+struct inf_hw {
+ struct list_head list;
+ struct pci_dev *pdev;
+ const struct inf_cinfo *ci;
+ char name[MISDN_MAX_IDLEN];
+ u32 irq;
+ u32 irqcnt;
+ struct _iohandle cfg;
+ struct _iohandle addr;
+ struct _ioaddr isac;
+ struct _ioaddr hscx;
+ spinlock_t lock; /* HW access lock */
+ struct ipac_hw ipac;
+ struct inf_hw *sc[3]; /* slave cards */
+};
+
+
+#define PCI_SUBVENDOR_HST_SAPHIR3 0x52
+#define PCI_SUBVENDOR_SEDLBAUER_PCI 0x53
+#define PCI_SUB_ID_SEDLBAUER 0x01
+
+static struct pci_device_id infineon_ids[] __devinitdata = {
+ { PCI_VENDOR_ID_EICON, PCI_DEVICE_ID_EICON_DIVA20,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, INF_DIVA20},
+ { PCI_VENDOR_ID_EICON, PCI_DEVICE_ID_EICON_DIVA20_U,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, INF_DIVA20U},
+ { PCI_VENDOR_ID_EICON, PCI_DEVICE_ID_EICON_DIVA201,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, INF_DIVA201},
+ { PCI_VENDOR_ID_EICON, PCI_DEVICE_ID_EICON_DIVA202,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, INF_DIVA202},
+ { PCI_VENDOR_ID_TIGERJET, PCI_DEVICE_ID_TIGERJET_100,
+ PCI_SUBVENDOR_SEDLBAUER_PCI, PCI_SUB_ID_SEDLBAUER, 0, 0,
+ INF_SPEEDWIN},
+ { PCI_VENDOR_ID_TIGERJET, PCI_DEVICE_ID_TIGERJET_100,
+ PCI_SUBVENDOR_HST_SAPHIR3, PCI_SUB_ID_SEDLBAUER, 0, 0, INF_SAPHIR3},
+ { PCI_VENDOR_ID_ELSA, PCI_DEVICE_ID_ELSA_MICROLINK,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, INF_QS1000},
+ { PCI_VENDOR_ID_ELSA, PCI_DEVICE_ID_ELSA_QS3000,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, INF_QS3000},
+ { PCI_VENDOR_ID_SATSAGEM, PCI_DEVICE_ID_SATSAGEM_NICCY,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, INF_NICCY},
+ { PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9050,
+ PCI_VENDOR_ID_BERKOM, PCI_DEVICE_ID_BERKOM_SCITEL_QUADRO, 0, 0,
+ INF_SCT_1},
+ { PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_R685,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, INF_GAZEL_R685},
+ { PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_R753,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, INF_GAZEL_R753},
+ { PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_DJINN_ITOO,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, INF_GAZEL_R753},
+ { PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_OLITEC,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, INF_GAZEL_R753},
+ { }
+};
+MODULE_DEVICE_TABLE(pci, infineon_ids);
+
+/* PCI interface specific defines */
+/* Diva 2.0/2.0U */
+#define DIVA_HSCX_PORT 0x00
+#define DIVA_HSCX_ALE 0x04
+#define DIVA_ISAC_PORT 0x08
+#define DIVA_ISAC_ALE 0x0C
+#define DIVA_PCI_CTRL 0x10
+
+/* DIVA_PCI_CTRL bits */
+#define DIVA_IRQ_BIT 0x01
+#define DIVA_RESET_BIT 0x08
+#define DIVA_EEPROM_CLK 0x40
+#define DIVA_LED_A 0x10
+#define DIVA_LED_B 0x20
+#define DIVA_IRQ_CLR 0x80
+
+/* Diva 2.01/2.02 */
+/* Siemens PITA */
+#define PITA_ICR_REG 0x00
+#define PITA_INT0_STATUS 0x02
+
+#define PITA_MISC_REG 0x1c
+#define PITA_PARA_SOFTRESET 0x01000000
+#define PITA_SER_SOFTRESET 0x02000000
+#define PITA_PARA_MPX_MODE 0x04000000
+#define PITA_INT0_ENABLE 0x00020000
+
+/* TIGER 100 Registers */
+#define TIGER_RESET_ADDR 0x00
+#define TIGER_EXTERN_RESET 0x01
+#define TIGER_AUX_CTRL 0x02
+#define TIGER_AUX_DATA 0x03
+#define TIGER_AUX_IRQMASK 0x05
+#define TIGER_AUX_STATUS 0x07
+
+/* Tiger AUX BITs */
+#define TIGER_IOMASK 0xdd /* 1 and 5 are inputs */
+#define TIGER_IRQ_BIT 0x02
+
+#define TIGER_IPAC_ALE 0xC0
+#define TIGER_IPAC_PORT 0xC8
+
+/* ELSA (now Develo) PCI cards */
+#define ELSA_IRQ_ADDR 0x4c
+#define ELSA_IRQ_MASK 0x04
+#define QS1000_IRQ_OFF 0x01
+#define QS3000_IRQ_OFF 0x03
+#define QS1000_IRQ_ON 0x41
+#define QS3000_IRQ_ON 0x43
+
+/* Dr Neuhaus/Sagem Niccy */
+#define NICCY_ISAC_PORT 0x00
+#define NICCY_HSCX_PORT 0x01
+#define NICCY_ISAC_ALE 0x02
+#define NICCY_HSCX_ALE 0x03
+
+#define NICCY_IRQ_CTRL_REG 0x38
+#define NICCY_IRQ_ENABLE 0x001f00
+#define NICCY_IRQ_DISABLE 0xff0000
+#define NICCY_IRQ_BIT 0x800000
+
+
+/* Scitel PLX */
+#define SCT_PLX_IRQ_ADDR 0x4c
+#define SCT_PLX_RESET_ADDR 0x50
+#define SCT_PLX_IRQ_ENABLE 0x41
+#define SCT_PLX_RESET_BIT 0x04
+
+/* Gazel */
+#define GAZEL_IPAC_DATA_PORT 0x04
+/* Gazel PLX */
+#define GAZEL_CNTRL 0x50
+#define GAZEL_RESET 0x04
+#define GAZEL_RESET_9050 0x40000000
+#define GAZEL_INCSR 0x4C
+#define GAZEL_ISAC_EN 0x08
+#define GAZEL_INT_ISAC 0x20
+#define GAZEL_HSCX_EN 0x01
+#define GAZEL_INT_HSCX 0x04
+#define GAZEL_PCI_EN 0x40
+#define GAZEL_IPAC_EN 0x03
+
+
+static LIST_HEAD(Cards);
+static DEFINE_RWLOCK(card_lock); /* protect Cards */
+
+static void
+_set_debug(struct inf_hw *card)
+{
+ card->ipac.isac.dch.debug = debug;
+ card->ipac.hscx[0].bch.debug = debug;
+ card->ipac.hscx[1].bch.debug = debug;
+}
+
+static int
+set_debug(const char *val, struct kernel_param *kp)
+{
+ int ret;
+ struct inf_hw *card;
+
+ ret = param_set_uint(val, kp);
+ if (!ret) {
+ read_lock(&card_lock);
+ list_for_each_entry(card, &Cards, list)
+ _set_debug(card);
+ read_unlock(&card_lock);
+ }
+ return ret;
+}
+
+MODULE_AUTHOR("Karsten Keil");
+MODULE_LICENSE("GPL v2");
+MODULE_VERSION(INFINEON_REV);
+module_param_call(debug, set_debug, param_get_uint, &debug, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(debug, "infineon debug mask");
+module_param(irqloops, uint, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(irqloops, "infineon maximal irqloops (default 4)");
+
+/* Interface functions */
+
+IOFUNC_IO(ISAC, inf_hw, isac.a.io)
+IOFUNC_IO(IPAC, inf_hw, hscx.a.io)
+IOFUNC_IND(ISAC, inf_hw, isac.a.io)
+IOFUNC_IND(IPAC, inf_hw, hscx.a.io)
+IOFUNC_MEMIO(ISAC, inf_hw, u32, isac.a.p)
+IOFUNC_MEMIO(IPAC, inf_hw, u32, hscx.a.p)
+
+static irqreturn_t
+diva_irq(int intno, void *dev_id)
+{
+ struct inf_hw *hw = dev_id;
+ u8 val;
+
+ spin_lock(&hw->lock);
+ val = inb((u32)hw->cfg.start + DIVA_PCI_CTRL);
+ if (!(val & DIVA_IRQ_BIT)) { /* for us or shared ? */
+ spin_unlock(&hw->lock);
+ return IRQ_NONE; /* shared */
+ }
+ hw->irqcnt++;
+ mISDNipac_irq(&hw->ipac, irqloops);
+ spin_unlock(&hw->lock);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t
+diva20x_irq(int intno, void *dev_id)
+{
+ struct inf_hw *hw = dev_id;
+ u8 val;
+
+ spin_lock(&hw->lock);
+ val = readb(hw->cfg.p);
+ if (!(val & PITA_INT0_STATUS)) { /* for us or shared ? */
+ spin_unlock(&hw->lock);
+ return IRQ_NONE; /* shared */
+ }
+ hw->irqcnt++;
+ mISDNipac_irq(&hw->ipac, irqloops);
+ writeb(PITA_INT0_STATUS, hw->cfg.p); /* ACK PITA INT0 */
+ spin_unlock(&hw->lock);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t
+tiger_irq(int intno, void *dev_id)
+{
+ struct inf_hw *hw = dev_id;
+ u8 val;
+
+ spin_lock(&hw->lock);
+ val = inb((u32)hw->cfg.start + TIGER_AUX_STATUS);
+ if (val & TIGER_IRQ_BIT) { /* for us or shared ? */
+ spin_unlock(&hw->lock);
+ return IRQ_NONE; /* shared */
+ }
+ hw->irqcnt++;
+ mISDNipac_irq(&hw->ipac, irqloops);
+ spin_unlock(&hw->lock);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t
+elsa_irq(int intno, void *dev_id)
+{
+ struct inf_hw *hw = dev_id;
+ u8 val;
+
+ spin_lock(&hw->lock);
+ val = inb((u32)hw->cfg.start + ELSA_IRQ_ADDR);
+ if (!(val & ELSA_IRQ_MASK)) {
+ spin_unlock(&hw->lock);
+ return IRQ_NONE; /* shared */
+ }
+ hw->irqcnt++;
+ mISDNipac_irq(&hw->ipac, irqloops);
+ spin_unlock(&hw->lock);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t
+niccy_irq(int intno, void *dev_id)
+{
+ struct inf_hw *hw = dev_id;
+ u32 val;
+
+ spin_lock(&hw->lock);
+ val = inl((u32)hw->cfg.start + NICCY_IRQ_CTRL_REG);
+ if (!(val & NICCY_IRQ_BIT)) { /* for us or shared ? */
+ spin_unlock(&hw->lock);
+ return IRQ_NONE; /* shared */
+ }
+ outl(val, (u32)hw->cfg.start + NICCY_IRQ_CTRL_REG);
+ hw->irqcnt++;
+ mISDNipac_irq(&hw->ipac, irqloops);
+ spin_unlock(&hw->lock);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t
+gazel_irq(int intno, void *dev_id)
+{
+ struct inf_hw *hw = dev_id;
+ irqreturn_t ret;
+
+ spin_lock(&hw->lock);
+ ret = mISDNipac_irq(&hw->ipac, irqloops);
+ spin_unlock(&hw->lock);
+ return ret;
+}
+
+static irqreturn_t
+ipac_irq(int intno, void *dev_id)
+{
+ struct inf_hw *hw = dev_id;
+ u8 val;
+
+ spin_lock(&hw->lock);
+ val = hw->ipac.read_reg(hw, IPAC_ISTA);
+ if (!(val & 0x3f)) {
+ spin_unlock(&hw->lock);
+ return IRQ_NONE; /* shared */
+ }
+ hw->irqcnt++;
+ mISDNipac_irq(&hw->ipac, irqloops);
+ spin_unlock(&hw->lock);
+ return IRQ_HANDLED;
+}
+
+static void
+enable_hwirq(struct inf_hw *hw)
+{
+ u16 w;
+ u32 val;
+
+ switch (hw->ci->typ) {
+ case INF_DIVA201:
+ case INF_DIVA202:
+ writel(PITA_INT0_ENABLE, hw->cfg.p);
+ break;
+ case INF_SPEEDWIN:
+ case INF_SAPHIR3:
+ outb(TIGER_IRQ_BIT, (u32)hw->cfg.start + TIGER_AUX_IRQMASK);
+ break;
+ case INF_QS1000:
+ outb(QS1000_IRQ_ON, (u32)hw->cfg.start + ELSA_IRQ_ADDR);
+ break;
+ case INF_QS3000:
+ outb(QS3000_IRQ_ON, (u32)hw->cfg.start + ELSA_IRQ_ADDR);
+ break;
+ case INF_NICCY:
+ val = inl((u32)hw->cfg.start + NICCY_IRQ_CTRL_REG);
+ val |= NICCY_IRQ_ENABLE;;
+ outl(val, (u32)hw->cfg.start + NICCY_IRQ_CTRL_REG);
+ break;
+ case INF_SCT_1:
+ w = inw((u32)hw->cfg.start + SCT_PLX_IRQ_ADDR);
+ w |= SCT_PLX_IRQ_ENABLE;
+ outw(w, (u32)hw->cfg.start + SCT_PLX_IRQ_ADDR);
+ break;
+ case INF_GAZEL_R685:
+ outb(GAZEL_ISAC_EN + GAZEL_HSCX_EN + GAZEL_PCI_EN,
+ (u32)hw->cfg.start + GAZEL_INCSR);
+ break;
+ case INF_GAZEL_R753:
+ outb(GAZEL_IPAC_EN + GAZEL_PCI_EN,
+ (u32)hw->cfg.start + GAZEL_INCSR);
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+disable_hwirq(struct inf_hw *hw)
+{
+ u16 w;
+ u32 val;
+
+ switch (hw->ci->typ) {
+ case INF_DIVA201:
+ case INF_DIVA202:
+ writel(0, hw->cfg.p);
+ break;
+ case INF_SPEEDWIN:
+ case INF_SAPHIR3:
+ outb(0, (u32)hw->cfg.start + TIGER_AUX_IRQMASK);
+ break;
+ case INF_QS1000:
+ outb(QS1000_IRQ_OFF, (u32)hw->cfg.start + ELSA_IRQ_ADDR);
+ break;
+ case INF_QS3000:
+ outb(QS3000_IRQ_OFF, (u32)hw->cfg.start + ELSA_IRQ_ADDR);
+ break;
+ case INF_NICCY:
+ val = inl((u32)hw->cfg.start + NICCY_IRQ_CTRL_REG);
+ val &= NICCY_IRQ_DISABLE;
+ outl(val, (u32)hw->cfg.start + NICCY_IRQ_CTRL_REG);
+ break;
+ case INF_SCT_1:
+ w = inw((u32)hw->cfg.start + SCT_PLX_IRQ_ADDR);
+ w &= (~SCT_PLX_IRQ_ENABLE);
+ outw(w, (u32)hw->cfg.start + SCT_PLX_IRQ_ADDR);
+ break;
+ case INF_GAZEL_R685:
+ case INF_GAZEL_R753:
+ outb(0, (u32)hw->cfg.start + GAZEL_INCSR);
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+ipac_chip_reset(struct inf_hw *hw)
+{
+ hw->ipac.write_reg(hw, IPAC_POTA2, 0x20);
+ mdelay(5);
+ hw->ipac.write_reg(hw, IPAC_POTA2, 0x00);
+ mdelay(5);
+ hw->ipac.write_reg(hw, IPAC_CONF, hw->ipac.conf);
+ hw->ipac.write_reg(hw, IPAC_MASK, 0xc0);
+}
+
+static void
+reset_inf(struct inf_hw *hw)
+{
+ u16 w;
+ u32 val;
+
+ if (debug & DEBUG_HW)
+ pr_notice("%s: resetting card\n", hw->name);
+ switch (hw->ci->typ) {
+ case INF_DIVA20:
+ case INF_DIVA20U:
+ outb(0, (u32)hw->cfg.start + DIVA_PCI_CTRL);
+ mdelay(10);
+ outb(DIVA_RESET_BIT, (u32)hw->cfg.start + DIVA_PCI_CTRL);
+ mdelay(10);
+ /* Workaround PCI9060 */
+ outb(9, (u32)hw->cfg.start + 0x69);
+ outb(DIVA_RESET_BIT | DIVA_LED_A,
+ (u32)hw->cfg.start + DIVA_PCI_CTRL);
+ break;
+ case INF_DIVA201:
+ writel(PITA_PARA_SOFTRESET | PITA_PARA_MPX_MODE,
+ hw->cfg.p + PITA_MISC_REG);
+ mdelay(1);
+ writel(PITA_PARA_MPX_MODE, hw->cfg.p + PITA_MISC_REG);
+ mdelay(10);
+ break;
+ case INF_DIVA202:
+ writel(PITA_PARA_SOFTRESET | PITA_PARA_MPX_MODE,
+ hw->cfg.p + PITA_MISC_REG);
+ mdelay(1);
+ writel(PITA_PARA_MPX_MODE | PITA_SER_SOFTRESET,
+ hw->cfg.p + PITA_MISC_REG);
+ mdelay(10);
+ break;
+ case INF_SPEEDWIN:
+ case INF_SAPHIR3:
+ ipac_chip_reset(hw);
+ hw->ipac.write_reg(hw, IPAC_ACFG, 0xff);
+ hw->ipac.write_reg(hw, IPAC_AOE, 0x00);
+ hw->ipac.write_reg(hw, IPAC_PCFG, 0x12);
+ break;
+ case INF_QS1000:
+ case INF_QS3000:
+ ipac_chip_reset(hw);
+ hw->ipac.write_reg(hw, IPAC_ACFG, 0x00);
+ hw->ipac.write_reg(hw, IPAC_AOE, 0x3c);
+ hw->ipac.write_reg(hw, IPAC_ATX, 0xff);
+ break;
+ case INF_NICCY:
+ break;
+ case INF_SCT_1:
+ w = inw((u32)hw->cfg.start + SCT_PLX_RESET_ADDR);
+ w &= (~SCT_PLX_RESET_BIT);
+ outw(w, (u32)hw->cfg.start + SCT_PLX_RESET_ADDR);
+ mdelay(10);
+ w = inw((u32)hw->cfg.start + SCT_PLX_RESET_ADDR);
+ w |= SCT_PLX_RESET_BIT;
+ outw(w, (u32)hw->cfg.start + SCT_PLX_RESET_ADDR);
+ mdelay(10);
+ break;
+ case INF_GAZEL_R685:
+ val = inl((u32)hw->cfg.start + GAZEL_CNTRL);
+ val |= (GAZEL_RESET_9050 + GAZEL_RESET);
+ outl(val, (u32)hw->cfg.start + GAZEL_CNTRL);
+ val &= ~(GAZEL_RESET_9050 + GAZEL_RESET);
+ mdelay(4);
+ outl(val, (u32)hw->cfg.start + GAZEL_CNTRL);
+ mdelay(10);
+ hw->ipac.isac.adf2 = 0x87;
+ hw->ipac.hscx[0].slot = 0x1f;
+ hw->ipac.hscx[0].slot = 0x23;
+ break;
+ case INF_GAZEL_R753:
+ val = inl((u32)hw->cfg.start + GAZEL_CNTRL);
+ val |= (GAZEL_RESET_9050 + GAZEL_RESET);
+ outl(val, (u32)hw->cfg.start + GAZEL_CNTRL);
+ val &= ~(GAZEL_RESET_9050 + GAZEL_RESET);
+ mdelay(4);
+ outl(val, (u32)hw->cfg.start + GAZEL_CNTRL);
+ mdelay(10);
+ ipac_chip_reset(hw);
+ hw->ipac.write_reg(hw, IPAC_ACFG, 0xff);
+ hw->ipac.write_reg(hw, IPAC_AOE, 0x00);
+ hw->ipac.conf = 0x01; /* IOM off */
+ break;
+ default:
+ return;
+ }
+ enable_hwirq(hw);
+}
+
+static int
+inf_ctrl(struct inf_hw *hw, u32 cmd, u_long arg)
+{
+ int ret = 0;
+
+ switch (cmd) {
+ case HW_RESET_REQ:
+ reset_inf(hw);
+ break;
+ default:
+ pr_info("%s: %s unknown command %x %lx\n",
+ hw->name, __func__, cmd, arg);
+ ret = -EINVAL;
+ break;
+ }
+ return ret;
+}
+
+static int __devinit
+init_irq(struct inf_hw *hw)
+{
+ int ret, cnt = 3;
+ u_long flags;
+
+ if (!hw->ci->irqfunc)
+ return -EINVAL;
+ ret = request_irq(hw->irq, hw->ci->irqfunc, IRQF_SHARED, hw->name, hw);
+ if (ret) {
+ pr_info("%s: couldn't get interrupt %d\n", hw->name, hw->irq);
+ return ret;
+ }
+ while (cnt--) {
+ spin_lock_irqsave(&hw->lock, flags);
+ reset_inf(hw);
+ ret = hw->ipac.init(&hw->ipac);
+ if (ret) {
+ spin_unlock_irqrestore(&hw->lock, flags);
+ pr_info("%s: ISAC init failed with %d\n",
+ hw->name, ret);
+ break;
+ }
+ spin_unlock_irqrestore(&hw->lock, flags);
+ msleep_interruptible(10);
+ if (debug & DEBUG_HW)
+ pr_notice("%s: IRQ %d count %d\n", hw->name,
+ hw->irq, hw->irqcnt);
+ if (!hw->irqcnt) {
+ pr_info("%s: IRQ(%d) got no requests during init %d\n",
+ hw->name, hw->irq, 3 - cnt);
+ } else
+ return 0;
+ }
+ free_irq(hw->irq, hw);
+ return -EIO;
+}
+
+static void
+release_io(struct inf_hw *hw)
+{
+ if (hw->cfg.mode) {
+ if (hw->cfg.p) {
+ release_mem_region(hw->cfg.start, hw->cfg.size);
+ iounmap(hw->cfg.p);
+ } else
+ release_region(hw->cfg.start, hw->cfg.size);
+ hw->cfg.mode = AM_NONE;
+ }
+ if (hw->addr.mode) {
+ if (hw->addr.p) {
+ release_mem_region(hw->addr.start, hw->addr.size);
+ iounmap(hw->addr.p);
+ } else
+ release_region(hw->addr.start, hw->addr.size);
+ hw->addr.mode = AM_NONE;
+ }
+}
+
+static int __devinit
+setup_io(struct inf_hw *hw)
+{
+ int err = 0;
+
+ if (hw->ci->cfg_mode) {
+ hw->cfg.start = pci_resource_start(hw->pdev, hw->ci->cfg_bar);
+ hw->cfg.size = pci_resource_len(hw->pdev, hw->ci->cfg_bar);
+ if (hw->ci->cfg_mode == AM_MEMIO) {
+ if (!request_mem_region(hw->cfg.start, hw->cfg.size,
+ hw->name))
+ err = -EBUSY;
+ } else {
+ if (!request_region(hw->cfg.start, hw->cfg.size,
+ hw->name))
+ err = -EBUSY;
+ }
+ if (err) {
+ pr_info("mISDN: %s config port %lx (%lu bytes)"
+ "already in use\n", hw->name,
+ (ulong)hw->cfg.start, (ulong)hw->cfg.size);
+ return err;
+ }
+ if (hw->ci->cfg_mode == AM_MEMIO)
+ hw->cfg.p = ioremap(hw->cfg.start, hw->cfg.size);
+ hw->cfg.mode = hw->ci->cfg_mode;
+ if (debug & DEBUG_HW)
+ pr_notice("%s: IO cfg %lx (%lu bytes) mode%d\n",
+ hw->name, (ulong)hw->cfg.start,
+ (ulong)hw->cfg.size, hw->ci->cfg_mode);
+
+ }
+ if (hw->ci->addr_mode) {
+ hw->addr.start = pci_resource_start(hw->pdev, hw->ci->addr_bar);
+ hw->addr.size = pci_resource_len(hw->pdev, hw->ci->addr_bar);
+ if (hw->ci->addr_mode == AM_MEMIO) {
+ if (!request_mem_region(hw->addr.start, hw->addr.size,
+ hw->name))
+ err = -EBUSY;
+ } else {
+ if (!request_region(hw->addr.start, hw->addr.size,
+ hw->name))
+ err = -EBUSY;
+ }
+ if (err) {
+ pr_info("mISDN: %s address port %lx (%lu bytes)"
+ "already in use\n", hw->name,
+ (ulong)hw->addr.start, (ulong)hw->addr.size);
+ return err;
+ }
+ if (hw->ci->addr_mode == AM_MEMIO)
+ hw->addr.p = ioremap(hw->addr.start, hw->addr.size);
+ hw->addr.mode = hw->ci->addr_mode;
+ if (debug & DEBUG_HW)
+ pr_notice("%s: IO addr %lx (%lu bytes) mode%d\n",
+ hw->name, (ulong)hw->addr.start,
+ (ulong)hw->addr.size, hw->ci->addr_mode);
+
+ }
+
+ switch (hw->ci->typ) {
+ case INF_DIVA20:
+ case INF_DIVA20U:
+ hw->ipac.type = IPAC_TYPE_ISAC | IPAC_TYPE_HSCX;
+ hw->isac.mode = hw->cfg.mode;
+ hw->isac.a.io.ale = (u32)hw->cfg.start + DIVA_ISAC_ALE;
+ hw->isac.a.io.port = (u32)hw->cfg.start + DIVA_ISAC_PORT;
+ hw->hscx.mode = hw->cfg.mode;
+ hw->hscx.a.io.ale = (u32)hw->cfg.start + DIVA_HSCX_ALE;
+ hw->hscx.a.io.port = (u32)hw->cfg.start + DIVA_HSCX_PORT;
+ break;
+ case INF_DIVA201:
+ hw->ipac.type = IPAC_TYPE_IPAC;
+ hw->ipac.isac.off = 0x80;
+ hw->isac.mode = hw->addr.mode;
+ hw->isac.a.p = hw->addr.p;
+ hw->hscx.mode = hw->addr.mode;
+ hw->hscx.a.p = hw->addr.p;
+ break;
+ case INF_DIVA202:
+ hw->ipac.type = IPAC_TYPE_IPACX;
+ hw->isac.mode = hw->addr.mode;
+ hw->isac.a.p = hw->addr.p;
+ hw->hscx.mode = hw->addr.mode;
+ hw->hscx.a.p = hw->addr.p;
+ break;
+ case INF_SPEEDWIN:
+ case INF_SAPHIR3:
+ hw->ipac.type = IPAC_TYPE_IPAC;
+ hw->ipac.isac.off = 0x80;
+ hw->isac.mode = hw->cfg.mode;
+ hw->isac.a.io.ale = (u32)hw->cfg.start + TIGER_IPAC_ALE;
+ hw->isac.a.io.port = (u32)hw->cfg.start + TIGER_IPAC_PORT;
+ hw->hscx.mode = hw->cfg.mode;
+ hw->hscx.a.io.ale = (u32)hw->cfg.start + TIGER_IPAC_ALE;
+ hw->hscx.a.io.port = (u32)hw->cfg.start + TIGER_IPAC_PORT;
+ outb(0xff, (ulong)hw->cfg.start);
+ mdelay(1);
+ outb(0x00, (ulong)hw->cfg.start);
+ mdelay(1);
+ outb(TIGER_IOMASK, (ulong)hw->cfg.start + TIGER_AUX_CTRL);
+ break;
+ case INF_QS1000:
+ case INF_QS3000:
+ hw->ipac.type = IPAC_TYPE_IPAC;
+ hw->ipac.isac.off = 0x80;
+ hw->isac.a.io.ale = (u32)hw->addr.start;
+ hw->isac.a.io.port = (u32)hw->addr.start + 1;
+ hw->isac.mode = hw->addr.mode;
+ hw->hscx.a.io.ale = (u32)hw->addr.start;
+ hw->hscx.a.io.port = (u32)hw->addr.start + 1;
+ hw->hscx.mode = hw->addr.mode;
+ break;
+ case INF_NICCY:
+ hw->ipac.type = IPAC_TYPE_ISAC | IPAC_TYPE_HSCX;
+ hw->isac.mode = hw->addr.mode;
+ hw->isac.a.io.ale = (u32)hw->addr.start + NICCY_ISAC_ALE;
+ hw->isac.a.io.port = (u32)hw->addr.start + NICCY_ISAC_PORT;
+ hw->hscx.mode = hw->addr.mode;
+ hw->hscx.a.io.ale = (u32)hw->addr.start + NICCY_HSCX_ALE;
+ hw->hscx.a.io.port = (u32)hw->addr.start + NICCY_HSCX_PORT;
+ break;
+ case INF_SCT_1:
+ hw->ipac.type = IPAC_TYPE_IPAC;
+ hw->ipac.isac.off = 0x80;
+ hw->isac.a.io.ale = (u32)hw->addr.start;
+ hw->isac.a.io.port = hw->isac.a.io.ale + 4;
+ hw->isac.mode = hw->addr.mode;
+ hw->hscx.a.io.ale = hw->isac.a.io.ale;
+ hw->hscx.a.io.port = hw->isac.a.io.port;
+ hw->hscx.mode = hw->addr.mode;
+ break;
+ case INF_SCT_2:
+ hw->ipac.type = IPAC_TYPE_IPAC;
+ hw->ipac.isac.off = 0x80;
+ hw->isac.a.io.ale = (u32)hw->addr.start + 0x08;
+ hw->isac.a.io.port = hw->isac.a.io.ale + 4;
+ hw->isac.mode = hw->addr.mode;
+ hw->hscx.a.io.ale = hw->isac.a.io.ale;
+ hw->hscx.a.io.port = hw->isac.a.io.port;
+ hw->hscx.mode = hw->addr.mode;
+ break;
+ case INF_SCT_3:
+ hw->ipac.type = IPAC_TYPE_IPAC;
+ hw->ipac.isac.off = 0x80;
+ hw->isac.a.io.ale = (u32)hw->addr.start + 0x10;
+ hw->isac.a.io.port = hw->isac.a.io.ale + 4;
+ hw->isac.mode = hw->addr.mode;
+ hw->hscx.a.io.ale = hw->isac.a.io.ale;
+ hw->hscx.a.io.port = hw->isac.a.io.port;
+ hw->hscx.mode = hw->addr.mode;
+ break;
+ case INF_SCT_4:
+ hw->ipac.type = IPAC_TYPE_IPAC;
+ hw->ipac.isac.off = 0x80;
+ hw->isac.a.io.ale = (u32)hw->addr.start + 0x20;
+ hw->isac.a.io.port = hw->isac.a.io.ale + 4;
+ hw->isac.mode = hw->addr.mode;
+ hw->hscx.a.io.ale = hw->isac.a.io.ale;
+ hw->hscx.a.io.port = hw->isac.a.io.port;
+ hw->hscx.mode = hw->addr.mode;
+ break;
+ case INF_GAZEL_R685:
+ hw->ipac.type = IPAC_TYPE_ISAC | IPAC_TYPE_HSCX;
+ hw->ipac.isac.off = 0x80;
+ hw->isac.mode = hw->addr.mode;
+ hw->isac.a.io.port = (u32)hw->addr.start;
+ hw->hscx.mode = hw->addr.mode;
+ hw->hscx.a.io.port = hw->isac.a.io.port;
+ break;
+ case INF_GAZEL_R753:
+ hw->ipac.type = IPAC_TYPE_IPAC;
+ hw->ipac.isac.off = 0x80;
+ hw->isac.mode = hw->addr.mode;
+ hw->isac.a.io.ale = (u32)hw->addr.start;
+ hw->isac.a.io.port = (u32)hw->addr.start + GAZEL_IPAC_DATA_PORT;
+ hw->hscx.mode = hw->addr.mode;
+ hw->hscx.a.io.ale = hw->isac.a.io.ale;
+ hw->hscx.a.io.port = hw->isac.a.io.port;
+ break;
+ default:
+ return -EINVAL;
+ }
+ switch (hw->isac.mode) {
+ case AM_MEMIO:
+ ASSIGN_FUNC_IPAC(MIO, hw->ipac);
+ break;
+ case AM_IND_IO:
+ ASSIGN_FUNC_IPAC(IND, hw->ipac);
+ break;
+ case AM_IO:
+ ASSIGN_FUNC_IPAC(IO, hw->ipac);
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static void
+release_card(struct inf_hw *card) {
+ ulong flags;
+ int i;
+
+ spin_lock_irqsave(&card->lock, flags);
+ disable_hwirq(card);
+ spin_unlock_irqrestore(&card->lock, flags);
+ card->ipac.isac.release(&card->ipac.isac);
+ free_irq(card->irq, card);
+ mISDN_unregister_device(&card->ipac.isac.dch.dev);
+ release_io(card);
+ write_lock_irqsave(&card_lock, flags);
+ list_del(&card->list);
+ write_unlock_irqrestore(&card_lock, flags);
+ switch (card->ci->typ) {
+ case INF_SCT_2:
+ case INF_SCT_3:
+ case INF_SCT_4:
+ break;
+ case INF_SCT_1:
+ for (i = 0; i < 3; i++) {
+ if (card->sc[i])
+ release_card(card->sc[i]);
+ card->sc[i] = NULL;
+ }
+ default:
+ pci_disable_device(card->pdev);
+ pci_set_drvdata(card->pdev, NULL);
+ break;
+ }
+ kfree(card);
+ inf_cnt--;
+}
+
+static int __devinit
+setup_instance(struct inf_hw *card)
+{
+ int err;
+ ulong flags;
+
+ snprintf(card->name, MISDN_MAX_IDLEN - 1, "%s.%d", card->ci->name,
+ inf_cnt + 1);
+ write_lock_irqsave(&card_lock, flags);
+ list_add_tail(&card->list, &Cards);
+ write_unlock_irqrestore(&card_lock, flags);
+
+ _set_debug(card);
+ card->ipac.isac.name = card->name;
+ card->ipac.name = card->name;
+ card->ipac.owner = THIS_MODULE;
+ spin_lock_init(&card->lock);
+ card->ipac.isac.hwlock = &card->lock;
+ card->ipac.hwlock = &card->lock;
+ card->ipac.ctrl = (void *)&inf_ctrl;
+
+ err = setup_io(card);
+ if (err)
+ goto error_setup;
+
+ card->ipac.isac.dch.dev.Bprotocols =
+ mISDNipac_init(&card->ipac, card);
+
+ if (card->ipac.isac.dch.dev.Bprotocols == 0)
+ goto error_setup;;
+
+ err = mISDN_register_device(&card->ipac.isac.dch.dev,
+ &card->pdev->dev, card->name);
+ if (err)
+ goto error;
+
+ err = init_irq(card);
+ if (!err) {
+ inf_cnt++;
+ pr_notice("Infineon %d cards installed\n", inf_cnt);
+ return 0;
+ }
+ mISDN_unregister_device(&card->ipac.isac.dch.dev);
+error:
+ card->ipac.release(&card->ipac);
+error_setup:
+ release_io(card);
+ write_lock_irqsave(&card_lock, flags);
+ list_del(&card->list);
+ write_unlock_irqrestore(&card_lock, flags);
+ return err;
+}
+
+static const struct inf_cinfo inf_card_info[] = {
+ {
+ INF_DIVA20,
+ "Dialogic Diva 2.0",
+ "diva20",
+ AM_IND_IO, AM_NONE, 2, 0,
+ &diva_irq
+ },
+ {
+ INF_DIVA20U,
+ "Dialogic Diva 2.0U",
+ "diva20U",
+ AM_IND_IO, AM_NONE, 2, 0,
+ &diva_irq
+ },
+ {
+ INF_DIVA201,
+ "Dialogic Diva 2.01",
+ "diva201",
+ AM_MEMIO, AM_MEMIO, 0, 1,
+ &diva20x_irq
+ },
+ {
+ INF_DIVA202,
+ "Dialogic Diva 2.02",
+ "diva202",
+ AM_MEMIO, AM_MEMIO, 0, 1,
+ &diva20x_irq
+ },
+ {
+ INF_SPEEDWIN,
+ "Sedlbauer SpeedWin PCI",
+ "speedwin",
+ AM_IND_IO, AM_NONE, 0, 0,
+ &tiger_irq
+ },
+ {
+ INF_SAPHIR3,
+ "HST Saphir 3",
+ "saphir",
+ AM_IND_IO, AM_NONE, 0, 0,
+ &tiger_irq
+ },
+ {
+ INF_QS1000,
+ "Develo Microlink PCI",
+ "qs1000",
+ AM_IO, AM_IND_IO, 1, 3,
+ &elsa_irq
+ },
+ {
+ INF_QS3000,
+ "Develo QuickStep 3000",
+ "qs3000",
+ AM_IO, AM_IND_IO, 1, 3,
+ &elsa_irq
+ },
+ {
+ INF_NICCY,
+ "Sagem NICCY",
+ "niccy",
+ AM_IO, AM_IND_IO, 0, 1,
+ &niccy_irq
+ },
+ {
+ INF_SCT_1,
+ "SciTel Quadro",
+ "p1_scitel",
+ AM_IO, AM_IND_IO, 1, 5,
+ &ipac_irq
+ },
+ {
+ INF_SCT_2,
+ "SciTel Quadro",
+ "p2_scitel",
+ AM_NONE, AM_IND_IO, 0, 4,
+ &ipac_irq
+ },
+ {
+ INF_SCT_3,
+ "SciTel Quadro",
+ "p3_scitel",
+ AM_NONE, AM_IND_IO, 0, 3,
+ &ipac_irq
+ },
+ {
+ INF_SCT_4,
+ "SciTel Quadro",
+ "p4_scitel",
+ AM_NONE, AM_IND_IO, 0, 2,
+ &ipac_irq
+ },
+ {
+ INF_GAZEL_R685,
+ "Gazel R685",
+ "gazel685",
+ AM_IO, AM_IO, 1, 2,
+ &gazel_irq
+ },
+ {
+ INF_GAZEL_R753,
+ "Gazel R753",
+ "gazel753",
+ AM_IO, AM_IND_IO, 1, 2,
+ &ipac_irq
+ },
+ {
+ INF_NONE,
+ }
+};
+
+static const struct inf_cinfo * __devinit
+get_card_info(enum inf_types typ)
+{
+ const struct inf_cinfo *ci = inf_card_info;
+
+ while (ci->typ != INF_NONE) {
+ if (ci->typ == typ)
+ return ci;
+ ci++;
+ }
+ return NULL;
+}
+
+static int __devinit
+inf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+ int err = -ENOMEM;
+ struct inf_hw *card;
+
+ card = kzalloc(sizeof(struct inf_hw), GFP_KERNEL);
+ if (!card) {
+ pr_info("No memory for Infineon ISDN card\n");
+ return err;
+ }
+ card->pdev = pdev;
+ err = pci_enable_device(pdev);
+ if (err) {
+ kfree(card);
+ return err;
+ }
+ card->ci = get_card_info(ent->driver_data);
+ if (!card->ci) {
+ pr_info("mISDN: do not have informations about adapter at %s\n",
+ pci_name(pdev));
+ kfree(card);
+ return -EINVAL;
+ } else
+ pr_notice("mISDN: found adapter %s at %s\n",
+ card->ci->full, pci_name(pdev));
+
+ card->irq = pdev->irq;
+ pci_set_drvdata(pdev, card);
+ err = setup_instance(card);
+ if (err) {
+ pci_disable_device(card->pdev);
+ kfree(card);
+ pci_set_drvdata(pdev, NULL);
+ } else if (ent->driver_data == INF_SCT_1) {
+ int i;
+ struct inf_hw *sc;
+
+ for (i = 1; i < 4; i++) {
+ sc = kzalloc(sizeof(struct inf_hw), GFP_KERNEL);
+ if (!sc) {
+ release_card(card);
+ return -ENOMEM;
+ }
+ sc->irq = card->irq;
+ sc->pdev = card->pdev;
+ sc->ci = card->ci + i;
+ err = setup_instance(sc);
+ if (err) {
+ kfree(sc);
+ release_card(card);
+ } else
+ card->sc[i - 1] = sc;
+ }
+ }
+ return err;
+}
+
+static void __devexit
+inf_remove(struct pci_dev *pdev)
+{
+ struct inf_hw *card = pci_get_drvdata(pdev);
+
+ if (card)
+ release_card(card);
+ else
+ pr_debug("%s: drvdata allready removed\n", __func__);
+}
+
+static struct pci_driver infineon_driver = {
+ .name = "ISDN Infineon pci",
+ .probe = inf_probe,
+ .remove = __devexit_p(inf_remove),
+ .id_table = infineon_ids,
+};
+
+static int __init
+infineon_init(void)
+{
+ int err;
+
+ pr_notice("Infineon ISDN Driver Rev. %s\n", INFINEON_REV);
+ err = pci_register_driver(&infineon_driver);
+ return err;
+}
+
+static void __exit
+infineon_cleanup(void)
+{
+ pci_unregister_driver(&infineon_driver);
+}
+
+module_init(infineon_init);
+module_exit(infineon_cleanup);
diff --git a/drivers/isdn/hardware/mISDN/mISDNipac.c b/drivers/isdn/hardware/mISDN/mISDNipac.c
new file mode 100644
index 0000000..613ba04
--- /dev/null
+++ b/drivers/isdn/hardware/mISDN/mISDNipac.c
@@ -0,0 +1,1655 @@
+/*
+ * isac.c ISAC specific routines
+ *
+ * Author Karsten Keil <keil@...n4linux.de>
+ *
+ * Copyright 2009 by Karsten Keil <keil@...n4linux.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/mISDNhw.h>
+#include "ipac.h"
+
+
+#define DBUSY_TIMER_VALUE 80
+#define ARCOFI_USE 1
+
+#define ISAC_REV "2.0"
+
+MODULE_AUTHOR("Karsten Keil");
+MODULE_VERSION(ISAC_REV);
+MODULE_LICENSE("GPL v2");
+
+#define ReadISAC(is, o) (is->read_reg(is->dch.hw, o + is->off))
+#define WriteISAC(is, o, v) (is->write_reg(is->dch.hw, o + is->off, v))
+#define ReadHSCX(h, o) (h->ip->read_reg(h->ip->hw, h->off + o))
+#define WriteHSCX(h, o, v) (h->ip->write_reg(h->ip->hw, h->off + o, v))
+#define ReadIPAC(ip, o) (ip->read_reg(ip->hw, o))
+#define WriteIPAC(ip, o, v) (ip->write_reg(ip->hw, o, v))
+
+static inline void
+ph_command(struct isac_hw *isac, u8 command)
+{
+ pr_debug("%s: ph_command %x\n", isac->name, command);
+ if (isac->type & IPAC_TYPE_ISACX)
+ WriteISAC(isac, ISACX_CIX0, (command << 4) | 0xE);
+ else
+ WriteISAC(isac, ISAC_CIX0, (command << 2) | 3);
+}
+
+static void
+isac_ph_state_change(struct isac_hw *isac)
+{
+ switch (isac->state) {
+ case (ISAC_IND_RS):
+ case (ISAC_IND_EI):
+ ph_command(isac, ISAC_CMD_DUI);
+ }
+ schedule_event(&isac->dch, FLG_PHCHANGE);
+}
+
+static void
+isac_ph_state_bh(struct dchannel *dch)
+{
+ struct isac_hw *isac = container_of(dch, struct isac_hw, dch);
+
+ switch (isac->state) {
+ case ISAC_IND_RS:
+ case ISAC_IND_EI:
+ dch->state = 0;
+ l1_event(dch->l1, HW_RESET_IND);
+ break;
+ case ISAC_IND_DID:
+ dch->state = 3;
+ l1_event(dch->l1, HW_DEACT_CNF);
+ break;
+ case ISAC_IND_DR:
+ dch->state = 3;
+ l1_event(dch->l1, HW_DEACT_IND);
+ break;
+ case ISAC_IND_PU:
+ dch->state = 4;
+ l1_event(dch->l1, HW_POWERUP_IND);
+ break;
+ case ISAC_IND_RSY:
+ if (dch->state <= 5) {
+ dch->state = 5;
+ l1_event(dch->l1, ANYSIGNAL);
+ } else {
+ dch->state = 8;
+ l1_event(dch->l1, LOSTFRAMING);
+ }
+ break;
+ case ISAC_IND_ARD:
+ dch->state = 6;
+ l1_event(dch->l1, INFO2);
+ break;
+ case ISAC_IND_AI8:
+ dch->state = 7;
+ l1_event(dch->l1, INFO4_P8);
+ break;
+ case ISAC_IND_AI10:
+ dch->state = 7;
+ l1_event(dch->l1, INFO4_P10);
+ break;
+ }
+ pr_debug("%s: TE newstate %x\n", isac->name, dch->state);
+}
+
+void
+isac_empty_fifo(struct isac_hw *isac, int count)
+{
+ u8 *ptr;
+
+ pr_debug("%s: %s %d\n", isac->name, __func__, count);
+
+ if (!isac->dch.rx_skb) {
+ isac->dch.rx_skb = mI_alloc_skb(isac->dch.maxlen, GFP_ATOMIC);
+ if (!isac->dch.rx_skb) {
+ pr_info("%s: D receive out of memory\n", isac->name);
+ WriteISAC(isac, ISAC_CMDR, 0x80);
+ return;
+ }
+ }
+ if ((isac->dch.rx_skb->len + count) >= isac->dch.maxlen) {
+ pr_debug("%s: %s overrun %d\n", isac->name, __func__,
+ isac->dch.rx_skb->len + count);
+ WriteISAC(isac, ISAC_CMDR, 0x80);
+ return;
+ }
+ ptr = skb_put(isac->dch.rx_skb, count);
+ isac->read_fifo(isac->dch.hw, isac->off, ptr, count);
+ WriteISAC(isac, ISAC_CMDR, 0x80);
+ if (isac->dch.debug & DEBUG_HW_DFIFO) {
+ char pfx[MISDN_MAX_IDLEN + 16];
+
+ snprintf(pfx, MISDN_MAX_IDLEN + 15, "D-recv %s %d ",
+ isac->name, count);
+ print_hex_dump_bytes(pfx, DUMP_PREFIX_OFFSET, ptr, count);
+ }
+}
+
+static void
+isac_fill_fifo(struct isac_hw *isac)
+{
+ int count, more;
+ u8 *ptr;
+
+ if (!isac->dch.tx_skb)
+ return;
+ count = isac->dch.tx_skb->len - isac->dch.tx_idx;
+ if (count <= 0)
+ return;
+
+ more = 0;
+ if (count > 32) {
+ more = !0;
+ count = 32;
+ }
+ pr_debug("%s: %s %d\n", isac->name, __func__, count);
+ ptr = isac->dch.tx_skb->data + isac->dch.tx_idx;
+ isac->dch.tx_idx += count;
+ isac->write_fifo(isac->dch.hw, isac->off, ptr, count);
+ WriteISAC(isac, ISAC_CMDR, more ? 0x8 : 0xa);
+ if (test_and_set_bit(FLG_BUSY_TIMER, &isac->dch.Flags)) {
+ pr_debug("%s: %s dbusytimer running\n", isac->name, __func__);
+ del_timer(&isac->dch.timer);
+ }
+ init_timer(&isac->dch.timer);
+ isac->dch.timer.expires = jiffies + ((DBUSY_TIMER_VALUE * HZ)/1000);
+ add_timer(&isac->dch.timer);
+ if (isac->dch.debug & DEBUG_HW_DFIFO) {
+ char pfx[MISDN_MAX_IDLEN + 16];
+
+ snprintf(pfx, MISDN_MAX_IDLEN + 15, "D-send %s %d ",
+ isac->name, count);
+ print_hex_dump_bytes(pfx, DUMP_PREFIX_OFFSET, ptr, count);
+ }
+}
+
+static void
+isac_rme_irq(struct isac_hw *isac)
+{
+ u8 val, count;
+
+ val = ReadISAC(isac, ISAC_RSTA);
+ if ((val & 0x70) != 0x20) {
+ if (val & 0x40) {
+ pr_debug("%s: ISAC RDO\n", isac->name);
+#ifdef ERROR_STATISTIC
+ isac->dch.err_rx++;
+#endif
+ }
+ if (!(val & 0x20)) {
+ pr_debug("%s: ISAC CRC error\n", isac->name);
+#ifdef ERROR_STATISTIC
+ isac->dch.err_crc++;
+#endif
+ }
+ WriteISAC(isac, ISAC_CMDR, 0x80);
+ if (isac->dch.rx_skb)
+ dev_kfree_skb(isac->dch.rx_skb);
+ isac->dch.rx_skb = NULL;
+ } else {
+ count = ReadISAC(isac, ISAC_RBCL) & 0x1f;
+ if (count == 0)
+ count = 32;
+ isac_empty_fifo(isac, count);
+ recv_Dchannel(&isac->dch);
+ }
+}
+
+static void
+isac_xpr_irq(struct isac_hw *isac)
+{
+ if (test_and_clear_bit(FLG_BUSY_TIMER, &isac->dch.Flags))
+ del_timer(&isac->dch.timer);
+ if (isac->dch.tx_skb && isac->dch.tx_idx < isac->dch.tx_skb->len) {
+ isac_fill_fifo(isac);
+ } else {
+ if (isac->dch.tx_skb)
+ dev_kfree_skb(isac->dch.tx_skb);
+ if (get_next_dframe(&isac->dch))
+ isac_fill_fifo(isac);
+ }
+}
+
+static void
+isac_retransmit(struct isac_hw *isac)
+{
+ if (test_and_clear_bit(FLG_BUSY_TIMER, &isac->dch.Flags))
+ del_timer(&isac->dch.timer);
+ if (test_bit(FLG_TX_BUSY, &isac->dch.Flags)) {
+ /* Restart frame */
+ isac->dch.tx_idx = 0;
+ isac_fill_fifo(isac);
+ } else if (isac->dch.tx_skb) { /* should not happen */
+ pr_info("%s: tx_skb exist but not busy\n", isac->name);
+ test_and_set_bit(FLG_TX_BUSY, &isac->dch.Flags);
+ isac->dch.tx_idx = 0;
+ isac_fill_fifo(isac);
+ } else {
+ pr_info("%s: ISAC XDU no TX_BUSY\n", isac->name);
+ if (get_next_dframe(&isac->dch))
+ isac_fill_fifo(isac);
+ }
+}
+
+static void
+isac_mos_irq(struct isac_hw *isac)
+{
+ u8 val;
+ int ret;
+
+ val = ReadISAC(isac, ISAC_MOSR);
+ pr_debug("%s: ISAC MOSR %02x\n", isac->name, val);
+#if ARCOFI_USE
+ if (val & 0x08) {
+ if (!isac->mon_rx) {
+ isac->mon_rx = kmalloc(MAX_MON_FRAME, GFP_ATOMIC);
+ if (!isac->mon_rx) {
+ pr_info("%s: ISAC MON RX out of memory!\n",
+ isac->name);
+ isac->mocr &= 0xf0;
+ isac->mocr |= 0x0a;
+ WriteISAC(isac, ISAC_MOCR, isac->mocr);
+ goto afterMONR0;
+ } else
+ isac->mon_rxp = 0;
+ }
+ if (isac->mon_rxp >= MAX_MON_FRAME) {
+ isac->mocr &= 0xf0;
+ isac->mocr |= 0x0a;
+ WriteISAC(isac, ISAC_MOCR, isac->mocr);
+ isac->mon_rxp = 0;
+ pr_debug("%s: ISAC MON RX overflow!\n", isac->name);
+ goto afterMONR0;
+ }
+ isac->mon_rx[isac->mon_rxp++] = ReadISAC(isac, ISAC_MOR0);
+ pr_debug("%s: ISAC MOR0 %02x\n", isac->name,
+ isac->mon_rx[isac->mon_rxp - 1]);
+ if (isac->mon_rxp == 1) {
+ isac->mocr |= 0x04;
+ WriteISAC(isac, ISAC_MOCR, isac->mocr);
+ }
+ }
+afterMONR0:
+ if (val & 0x80) {
+ if (!isac->mon_rx) {
+ isac->mon_rx = kmalloc(MAX_MON_FRAME, GFP_ATOMIC);
+ if (!isac->mon_rx) {
+ pr_info("%s: ISAC MON RX out of memory!\n",
+ isac->name);
+ isac->mocr &= 0x0f;
+ isac->mocr |= 0xa0;
+ WriteISAC(isac, ISAC_MOCR, isac->mocr);
+ goto afterMONR1;
+ } else
+ isac->mon_rxp = 0;
+ }
+ if (isac->mon_rxp >= MAX_MON_FRAME) {
+ isac->mocr &= 0x0f;
+ isac->mocr |= 0xa0;
+ WriteISAC(isac, ISAC_MOCR, isac->mocr);
+ isac->mon_rxp = 0;
+ pr_debug("%s: ISAC MON RX overflow!\n", isac->name);
+ goto afterMONR1;
+ }
+ isac->mon_rx[isac->mon_rxp++] = ReadISAC(isac, ISAC_MOR1);
+ pr_debug("%s: ISAC MOR1 %02x\n", isac->name,
+ isac->mon_rx[isac->mon_rxp - 1]);
+ isac->mocr |= 0x40;
+ WriteISAC(isac, ISAC_MOCR, isac->mocr);
+ }
+afterMONR1:
+ if (val & 0x04) {
+ isac->mocr &= 0xf0;
+ WriteISAC(isac, ISAC_MOCR, isac->mocr);
+ isac->mocr |= 0x0a;
+ WriteISAC(isac, ISAC_MOCR, isac->mocr);
+ if (isac->monitor) {
+ ret = isac->monitor(isac->dch.hw, MONITOR_RX_0,
+ isac->mon_rx, isac->mon_rxp);
+ if (ret)
+ kfree(isac->mon_rx);
+ } else {
+ pr_info("%s: MONITOR 0 received %d but no user\n",
+ isac->name, isac->mon_rxp);
+ kfree(isac->mon_rx);
+ }
+ isac->mon_rx = NULL;
+ isac->mon_rxp = 0;
+ }
+ if (val & 0x40) {
+ isac->mocr &= 0x0f;
+ WriteISAC(isac, ISAC_MOCR, isac->mocr);
+ isac->mocr |= 0xa0;
+ WriteISAC(isac, ISAC_MOCR, isac->mocr);
+ if (isac->monitor) {
+ ret = isac->monitor(isac->dch.hw, MONITOR_RX_1,
+ isac->mon_rx, isac->mon_rxp);
+ if (ret)
+ kfree(isac->mon_rx);
+ } else {
+ pr_info("%s: MONITOR 1 received %d but no user\n",
+ isac->name, isac->mon_rxp);
+ kfree(isac->mon_rx);
+ }
+ isac->mon_rx = NULL;
+ isac->mon_rxp = 0;
+ }
+ if (val & 0x02) {
+ if ((!isac->mon_tx) || (isac->mon_txc &&
+ (isac->mon_txp >= isac->mon_txc) && !(val & 0x08))) {
+ isac->mocr &= 0xf0;
+ WriteISAC(isac, ISAC_MOCR, isac->mocr);
+ isac->mocr |= 0x0a;
+ WriteISAC(isac, ISAC_MOCR, isac->mocr);
+ if (isac->mon_txc && (isac->mon_txp >= isac->mon_txc)) {
+ if (isac->monitor)
+ ret = isac->monitor(isac->dch.hw,
+ MONITOR_TX_0, NULL, 0);
+ }
+ kfree(isac->mon_tx);
+ isac->mon_tx = NULL;
+ isac->mon_txc = 0;
+ isac->mon_txp = 0;
+ goto AfterMOX0;
+ }
+ if (isac->mon_txc && (isac->mon_txp >= isac->mon_txc)) {
+ if (isac->monitor)
+ ret = isac->monitor(isac->dch.hw,
+ MONITOR_TX_0, NULL, 0);
+ kfree(isac->mon_tx);
+ isac->mon_tx = NULL;
+ isac->mon_txc = 0;
+ isac->mon_txp = 0;
+ goto AfterMOX0;
+ }
+ WriteISAC(isac, ISAC_MOX0, isac->mon_tx[isac->mon_txp++]);
+ pr_debug("%s: ISAC %02x -> MOX0\n", isac->name,
+ isac->mon_tx[isac->mon_txp - 1]);
+ }
+AfterMOX0:
+ if (val & 0x20) {
+ if ((!isac->mon_tx) || (isac->mon_txc &&
+ (isac->mon_txp >= isac->mon_txc) && !(val & 0x80))) {
+ isac->mocr &= 0x0f;
+ WriteISAC(isac, ISAC_MOCR, isac->mocr);
+ isac->mocr |= 0xa0;
+ WriteISAC(isac, ISAC_MOCR, isac->mocr);
+ if (isac->mon_txc && (isac->mon_txp >= isac->mon_txc)) {
+ if (isac->monitor)
+ ret = isac->monitor(isac->dch.hw,
+ MONITOR_TX_1, NULL, 0);
+ }
+ kfree(isac->mon_tx);
+ isac->mon_tx = NULL;
+ isac->mon_txc = 0;
+ isac->mon_txp = 0;
+ goto AfterMOX1;
+ }
+ if (isac->mon_txc && (isac->mon_txp >= isac->mon_txc)) {
+ if (isac->monitor)
+ ret = isac->monitor(isac->dch.hw,
+ MONITOR_TX_1, NULL, 0);
+ kfree(isac->mon_tx);
+ isac->mon_tx = NULL;
+ isac->mon_txc = 0;
+ isac->mon_txp = 0;
+ goto AfterMOX1;
+ }
+ WriteISAC(isac, ISAC_MOX1, isac->mon_tx[isac->mon_txp++]);
+ pr_debug("%s: ISAC %02x -> MOX1\n", isac->name,
+ isac->mon_tx[isac->mon_txp - 1]);
+ }
+AfterMOX1:
+ val = 0; /* dummy to avoid warning */
+#endif
+}
+
+static void
+isac_cisq_irq(struct isac_hw *isac) {
+ u8 val;
+
+ val = ReadISAC(isac, ISAC_CIR0);
+ pr_debug("%s: ISAC CIR0 %02X\n", isac->name, val);
+ if (val & 2) {
+ pr_debug("%s: ph_state change %x->%x\n", isac->name,
+ isac->state, (val >> 2) & 0xf);
+ isac->state = (val >> 2) & 0xf;
+ isac_ph_state_change(isac);
+ }
+ if (val & 1) {
+ val = ReadISAC(isac, ISAC_CIR1);
+ pr_debug("%s: ISAC CIR1 %02X\n", isac->name, val);
+ }
+}
+
+static void
+isacsx_cic_irq(struct isac_hw *isac)
+{
+ u8 val;
+
+ val = ReadISAC(isac, ISACX_CIR0);
+ pr_debug("%s: ISACX CIR0 %02X\n", isac->name, val);
+ if (val & ISACX_CIR0_CIC0) {
+ pr_debug("%s: ph_state change %x->%x\n", isac->name,
+ isac->state, val >> 4);
+ isac->state = val >> 4;
+ isac_ph_state_change(isac);
+ }
+}
+
+static void
+isacsx_rme_irq(struct isac_hw *isac)
+{
+ int count;
+ u8 val;
+
+ val = ReadISAC(isac, ISACX_RSTAD);
+ if ((val & (ISACX_RSTAD_VFR |
+ ISACX_RSTAD_RDO |
+ ISACX_RSTAD_CRC |
+ ISACX_RSTAD_RAB))
+ != (ISACX_RSTAD_VFR | ISACX_RSTAD_CRC)) {
+ pr_debug("%s: RSTAD %#x, dropped\n", isac->name, val);
+#ifdef ERROR_STATISTIC
+ if (val & ISACX_RSTAD_CRC)
+ isac->dch.err_rx++;
+ else
+ isac->dch.err_crc++;
+#endif
+ WriteISAC(isac, ISACX_CMDRD, ISACX_CMDRD_RMC);
+ if (isac->dch.rx_skb)
+ dev_kfree_skb(isac->dch.rx_skb);
+ isac->dch.rx_skb = NULL;
+ } else {
+ count = ReadISAC(isac, ISACX_RBCLD) & 0x1f;
+ if (count == 0)
+ count = 32;
+ isac_empty_fifo(isac, count);
+ if (isac->dch.rx_skb) {
+ skb_trim(isac->dch.rx_skb, isac->dch.rx_skb->len - 1);
+ pr_debug("%s: dchannel received %d\n", isac->name,
+ isac->dch.rx_skb->len);
+ recv_Dchannel(&isac->dch);
+ }
+ }
+}
+
+irqreturn_t
+mISDNisac_irq(struct isac_hw *isac, u8 val)
+{
+ if (unlikely(!val))
+ return IRQ_NONE;
+ pr_debug("%s: ISAC interrupt %02x\n", isac->name, val);
+ if (isac->type & IPAC_TYPE_ISACX) {
+ if (val & ISACX__CIC)
+ isacsx_cic_irq(isac);
+ if (val & ISACX__ICD) {
+ val = ReadISAC(isac, ISACX_ISTAD);
+ pr_debug("%s: ISTAD %02x\n", isac->name, val);
+ if (val & ISACX_D_XDU) {
+ pr_debug("%s: ISAC XDU\n", isac->name);
+#ifdef ERROR_STATISTIC
+ isac->dch.err_tx++;
+#endif
+ isac_retransmit(isac);
+ }
+ if (val & ISACX_D_XMR) {
+ pr_debug("%s: ISAC XMR\n", isac->name);
+#ifdef ERROR_STATISTIC
+ isac->dch.err_tx++;
+#endif
+ isac_retransmit(isac);
+ }
+ if (val & ISACX_D_XPR)
+ isac_xpr_irq(isac);
+ if (val & ISACX_D_RFO) {
+ pr_debug("%s: ISAC RFO\n", isac->name);
+ WriteISAC(isac, ISACX_CMDRD, ISACX_CMDRD_RMC);
+ }
+ if (val & ISACX_D_RME)
+ isacsx_rme_irq(isac);
+ if (val & ISACX_D_RPF)
+ isac_empty_fifo(isac, 0x20);
+ }
+ } else {
+ if (val & 0x80) /* RME */
+ isac_rme_irq(isac);
+ if (val & 0x40) /* RPF */
+ isac_empty_fifo(isac, 32);
+ if (val & 0x10) /* XPR */
+ isac_xpr_irq(isac);
+ if (val & 0x04) /* CISQ */
+ isac_cisq_irq(isac);
+ if (val & 0x20) /* RSC - never */
+ pr_debug("%s: ISAC RSC interrupt\n", isac->name);
+ if (val & 0x02) /* SIN - never */
+ pr_debug("%s: ISAC SIN interrupt\n", isac->name);
+ if (val & 0x01) { /* EXI */
+ val = ReadISAC(isac, ISAC_EXIR);
+ pr_debug("%s: ISAC EXIR %02x\n", isac->name, val);
+ if (val & 0x80) /* XMR */
+ pr_debug("%s: ISAC XMR\n", isac->name);
+ if (val & 0x40) { /* XDU */
+ pr_debug("%s: ISAC XDU\n", isac->name);
+#ifdef ERROR_STATISTIC
+ isac->dch.err_tx++;
+#endif
+ isac_retransmit(isac);
+ }
+ if (val & 0x04) /* MOS */
+ isac_mos_irq(isac);
+ }
+ }
+ return IRQ_HANDLED;
+}
+EXPORT_SYMBOL(mISDNisac_irq);
+
+static int
+isac_l1hw(struct mISDNchannel *ch, struct sk_buff *skb)
+{
+ struct mISDNdevice *dev = container_of(ch, struct mISDNdevice, D);
+ struct dchannel *dch = container_of(dev, struct dchannel, dev);
+ struct isac_hw *isac = container_of(dch, struct isac_hw, dch);
+ int ret = -EINVAL;
+ struct mISDNhead *hh = mISDN_HEAD_P(skb);
+ u32 id;
+ u_long flags;
+
+ switch (hh->prim) {
+ case PH_DATA_REQ:
+ spin_lock_irqsave(isac->hwlock, flags);
+ ret = dchannel_senddata(dch, skb);
+ if (ret > 0) { /* direct TX */
+ id = hh->id; /* skb can be freed */
+ isac_fill_fifo(isac);
+ ret = 0;
+ spin_unlock_irqrestore(isac->hwlock, flags);
+ queue_ch_frame(ch, PH_DATA_CNF, id, NULL);
+ } else
+ spin_unlock_irqrestore(isac->hwlock, flags);
+ return ret;
+ case PH_ACTIVATE_REQ:
+ ret = l1_event(dch->l1, hh->prim);
+ break;
+ case PH_DEACTIVATE_REQ:
+ test_and_clear_bit(FLG_L2_ACTIVATED, &dch->Flags);
+ ret = l1_event(dch->l1, hh->prim);
+ break;
+ }
+
+ if (!ret)
+ dev_kfree_skb(skb);
+ return ret;
+}
+
+static int
+isac_ctrl(struct isac_hw *isac, u32 cmd, u_long para)
+{
+ u8 tl = 0;
+ u_long flags;
+
+ switch (cmd) {
+ case HW_TESTLOOP:
+ spin_lock_irqsave(isac->hwlock, flags);
+ if (!(isac->type & IPAC_TYPE_ISACX)) {
+ /* TODO: implement for IPAC_TYPE_ISACX */
+ if (para & 1) /* B1 */
+ tl |= 0x0c;
+ else if (para & 2) /* B2 */
+ tl |= 0x3;
+ /* we only support IOM2 mode */
+ WriteISAC(isac, ISAC_SPCR, tl);
+ if (tl)
+ WriteISAC(isac, ISAC_ADF1, 0x8);
+ else
+ WriteISAC(isac, ISAC_ADF1, 0x0);
+ }
+ spin_unlock_irqrestore(isac->hwlock, flags);
+ break;
+ default:
+ pr_debug("%s: %s unknown command %x %lx\n", isac->name,
+ __func__, cmd, para);
+ return -1;
+ }
+ return 0;
+}
+
+static int
+isac_l1cmd(struct dchannel *dch, u32 cmd)
+{
+ struct isac_hw *isac = container_of(dch, struct isac_hw, dch);
+ u_long flags;
+
+ pr_debug("%s: cmd(%x) state(%02x)\n", isac->name, cmd, isac->state);
+ switch (cmd) {
+ case INFO3_P8:
+ spin_lock_irqsave(isac->hwlock, flags);
+ ph_command(isac, ISAC_CMD_AR8);
+ spin_unlock_irqrestore(isac->hwlock, flags);
+ break;
+ case INFO3_P10:
+ spin_lock_irqsave(isac->hwlock, flags);
+ ph_command(isac, ISAC_CMD_AR10);
+ spin_unlock_irqrestore(isac->hwlock, flags);
+ break;
+ case HW_RESET_REQ:
+ spin_lock_irqsave(isac->hwlock, flags);
+ if ((isac->state == ISAC_IND_EI) ||
+ (isac->state == ISAC_IND_DR) ||
+ (isac->state == ISAC_IND_RS))
+ ph_command(isac, ISAC_CMD_TIM);
+ else
+ ph_command(isac, ISAC_CMD_RS);
+ spin_unlock_irqrestore(isac->hwlock, flags);
+ break;
+ case HW_DEACT_REQ:
+ skb_queue_purge(&dch->squeue);
+ if (dch->tx_skb) {
+ dev_kfree_skb(dch->tx_skb);
+ dch->tx_skb = NULL;
+ }
+ dch->tx_idx = 0;
+ if (dch->rx_skb) {
+ dev_kfree_skb(dch->rx_skb);
+ dch->rx_skb = NULL;
+ }
+ test_and_clear_bit(FLG_TX_BUSY, &dch->Flags);
+ if (test_and_clear_bit(FLG_BUSY_TIMER, &dch->Flags))
+ del_timer(&dch->timer);
+ break;
+ case HW_POWERUP_REQ:
+ spin_lock_irqsave(isac->hwlock, flags);
+ ph_command(isac, ISAC_CMD_TIM);
+ spin_unlock_irqrestore(isac->hwlock, flags);
+ break;
+ case PH_ACTIVATE_IND:
+ test_and_set_bit(FLG_ACTIVE, &dch->Flags);
+ _queue_data(&dch->dev.D, cmd, MISDN_ID_ANY, 0, NULL,
+ GFP_ATOMIC);
+ break;
+ case PH_DEACTIVATE_IND:
+ test_and_clear_bit(FLG_ACTIVE, &dch->Flags);
+ _queue_data(&dch->dev.D, cmd, MISDN_ID_ANY, 0, NULL,
+ GFP_ATOMIC);
+ break;
+ default:
+ pr_debug("%s: %s unknown command %x\n", isac->name,
+ __func__, cmd);
+ return -1;
+ }
+ return 0;
+}
+
+static void
+isac_release(struct isac_hw *isac)
+{
+ if (isac->type & IPAC_TYPE_ISACX)
+ WriteISAC(isac, ISACX_MASK, 0xff);
+ else
+ WriteISAC(isac, ISAC_MASK, 0xff);
+ if (isac->dch.timer.function != NULL) {
+ del_timer(&isac->dch.timer);
+ isac->dch.timer.function = NULL;
+ }
+ kfree(isac->mon_rx);
+ isac->mon_rx = NULL;
+ kfree(isac->mon_tx);
+ isac->mon_tx = NULL;
+ if (isac->dch.l1)
+ l1_event(isac->dch.l1, CLOSE_CHANNEL);
+ mISDN_freedchannel(&isac->dch);
+}
+
+static void
+dbusy_timer_handler(struct isac_hw *isac)
+{
+ int rbch, star;
+ u_long flags;
+
+ if (test_bit(FLG_BUSY_TIMER, &isac->dch.Flags)) {
+ spin_lock_irqsave(isac->hwlock, flags);
+ rbch = ReadISAC(isac, ISAC_RBCH);
+ star = ReadISAC(isac, ISAC_STAR);
+ pr_debug("%s: D-Channel Busy RBCH %02x STAR %02x\n",
+ isac->name, rbch, star);
+ if (rbch & ISAC_RBCH_XAC) /* D-Channel Busy */
+ test_and_set_bit(FLG_L1_BUSY, &isac->dch.Flags);
+ else {
+ /* discard frame; reset transceiver */
+ test_and_clear_bit(FLG_BUSY_TIMER, &isac->dch.Flags);
+ if (isac->dch.tx_idx)
+ isac->dch.tx_idx = 0;
+ else
+ pr_info("%s: ISAC D-Channel Busy no tx_idx\n",
+ isac->name);
+ /* Transmitter reset */
+ WriteISAC(isac, ISAC_CMDR, 0x01);
+ }
+ spin_unlock_irqrestore(isac->hwlock, flags);
+ }
+}
+
+static int
+open_dchannel(struct isac_hw *isac, struct channel_req *rq)
+{
+ pr_debug("%s: %s dev(%d) open from %p\n", isac->name, __func__,
+ isac->dch.dev.id, __builtin_return_address(1));
+ if (rq->protocol != ISDN_P_TE_S0)
+ return -EINVAL;
+ if (rq->adr.channel == 1)
+ /* E-Channel not supported */
+ return -EINVAL;
+ rq->ch = &isac->dch.dev.D;
+ rq->ch->protocol = rq->protocol;
+ if (isac->dch.state == 7)
+ _queue_data(rq->ch, PH_ACTIVATE_IND, MISDN_ID_ANY,
+ 0, NULL, GFP_KERNEL);
+ return 0;
+}
+
+static const char *ISACVer[] =
+{"2086/2186 V1.1", "2085 B1", "2085 B2",
+ "2085 V2.3"};
+
+static int
+isac_init(struct isac_hw *isac)
+{
+ u8 val;
+ int err = 0;
+
+ if (!isac->dch.l1) {
+ err = create_l1(&isac->dch, isac_l1cmd);
+ if (err)
+ return err;
+ }
+ isac->mon_tx = NULL;
+ isac->mon_rx = NULL;
+ isac->dch.timer.function = (void *) dbusy_timer_handler;
+ isac->dch.timer.data = (long)isac;
+ init_timer(&isac->dch.timer);
+ isac->mocr = 0xaa;
+ if (isac->type & IPAC_TYPE_ISACX) {
+ /* Disable all IRQ */
+ WriteISAC(isac, ISACX_MASK, 0xff);
+ val = ReadISAC(isac, ISACX_STARD);
+ pr_debug("%s: ISACX STARD %x\n", isac->name, val);
+ val = ReadISAC(isac, ISACX_ISTAD);
+ pr_debug("%s: ISACX ISTAD %x\n", isac->name, val);
+ val = ReadISAC(isac, ISACX_ISTA);
+ pr_debug("%s: ISACX ISTA %x\n", isac->name, val);
+ /* clear LDD */
+ WriteISAC(isac, ISACX_TR_CONF0, 0x00);
+ /* enable transmitter */
+ WriteISAC(isac, ISACX_TR_CONF2, 0x00);
+ /* transparent mode 0, RAC, stop/go */
+ WriteISAC(isac, ISACX_MODED, 0xc9);
+ /* all HDLC IRQ unmasked */
+ val = ReadISAC(isac, ISACX_ID);
+ if (isac->dch.debug & DEBUG_HW)
+ pr_notice("%s: ISACX Design ID %x\n",
+ isac->name, val & 0x3f);
+ val = ReadISAC(isac, ISACX_CIR0);
+ pr_debug("%s: ISACX CIR0 %02X\n", isac->name, val);
+ isac->state = val >> 4;
+ isac_ph_state_change(isac);
+ ph_command(isac, ISAC_CMD_RS);
+ WriteISAC(isac, ISACX_MASK, IPACX__ON);
+ WriteISAC(isac, ISACX_MASKD, 0x00);
+ } else { /* old isac */
+ WriteISAC(isac, ISAC_MASK, 0xff);
+ val = ReadISAC(isac, ISAC_STAR);
+ pr_debug("%s: ISAC STAR %x\n", isac->name, val);
+ val = ReadISAC(isac, ISAC_MODE);
+ pr_debug("%s: ISAC MODE %x\n", isac->name, val);
+ val = ReadISAC(isac, ISAC_ADF2);
+ pr_debug("%s: ISAC ADF2 %x\n", isac->name, val);
+ val = ReadISAC(isac, ISAC_ISTA);
+ pr_debug("%s: ISAC ISTA %x\n", isac->name, val);
+ if (val & 0x01) {
+ val = ReadISAC(isac, ISAC_EXIR);
+ pr_debug("%s: ISAC EXIR %x\n", isac->name, val);
+ }
+ val = ReadISAC(isac, ISAC_RBCH);
+ if (isac->dch.debug & DEBUG_HW)
+ pr_notice("%s: ISAC version (%x): %s\n", isac->name,
+ val, ISACVer[(val >> 5) & 3]);
+ isac->type |= ((val >> 5) & 3);
+ if (!isac->adf2)
+ isac->adf2 = 0x80;
+ if (!(isac->adf2 & 0x80)) { /* only IOM 2 Mode */
+ pr_info("%s: only support IOM2 mode but adf2=%02x\n",
+ isac->name, isac->adf2);
+ isac_release(isac);
+ return -EINVAL;
+ }
+ WriteISAC(isac, ISAC_ADF2, isac->adf2);
+ WriteISAC(isac, ISAC_SQXR, 0x2f);
+ WriteISAC(isac, ISAC_SPCR, 0x00);
+ WriteISAC(isac, ISAC_STCR, 0x70);
+ WriteISAC(isac, ISAC_MODE, 0xc9);
+ WriteISAC(isac, ISAC_TIMR, 0x00);
+ WriteISAC(isac, ISAC_ADF1, 0x00);
+ val = ReadISAC(isac, ISAC_CIR0);
+ pr_debug("%s: ISAC CIR0 %x\n", isac->name, val);
+ isac->state = (val >> 2) & 0xf;
+ isac_ph_state_change(isac);
+ ph_command(isac, ISAC_CMD_RS);
+ WriteISAC(isac, ISAC_MASK, 0);
+ }
+ return err;
+}
+
+int
+mISDNisac_init(struct isac_hw *isac, void *hw)
+{
+ mISDN_initdchannel(&isac->dch, MAX_DFRAME_LEN_L1, isac_ph_state_bh);
+ isac->dch.hw = hw;
+ isac->dch.dev.D.send = isac_l1hw;
+ isac->init = isac_init;
+ isac->release = isac_release;
+ isac->ctrl = isac_ctrl;
+ isac->open = open_dchannel;
+ isac->dch.dev.Dprotocols = (1 << ISDN_P_TE_S0);
+ isac->dch.dev.nrbchan = 2;
+ return 0;
+}
+EXPORT_SYMBOL(mISDNisac_init);
+
+static void
+waitforCEC(struct hscx_hw *hx)
+{
+ u8 starb, to = 50;
+
+ while (to) {
+ starb = ReadHSCX(hx, IPAC_STARB);
+ if (!(starb & 0x04))
+ break;
+ udelay(1);
+ to--;
+ }
+ if (to < 50)
+ pr_debug("%s: B%1d CEC %d us\n", hx->ip->name, hx->bch.nr,
+ 50 - to);
+ if (!to)
+ pr_info("%s: B%1d CEC timeout\n", hx->ip->name, hx->bch.nr);
+}
+
+
+static void
+waitforXFW(struct hscx_hw *hx)
+{
+ u8 starb, to = 50;
+
+ while (to) {
+ starb = ReadHSCX(hx, IPAC_STARB);
+ if ((starb & 0x44) == 0x40)
+ break;
+ udelay(1);
+ to--;
+ }
+ if (to < 50)
+ pr_debug("%s: B%1d XFW %d us\n", hx->ip->name, hx->bch.nr,
+ 50 - to);
+ if (!to)
+ pr_info("%s: B%1d XFW timeout\n", hx->ip->name, hx->bch.nr);
+}
+
+static void
+hscx_cmdr(struct hscx_hw *hx, u8 cmd)
+{
+ if (hx->ip->type & IPAC_TYPE_IPACX)
+ WriteHSCX(hx, IPACX_CMDRB, cmd);
+ else {
+ waitforCEC(hx);
+ WriteHSCX(hx, IPAC_CMDRB, cmd);
+ }
+}
+
+static void
+hscx_empty_fifo(struct hscx_hw *hscx, u8 count)
+{
+ u8 *p;
+
+ pr_debug("%s: B%1d %d\n", hscx->ip->name, hscx->bch.nr, count);
+ if (!hscx->bch.rx_skb) {
+ hscx->bch.rx_skb = mI_alloc_skb(hscx->bch.maxlen, GFP_ATOMIC);
+ if (!hscx->bch.rx_skb) {
+ pr_info("%s: B receive out of memory\n",
+ hscx->ip->name);
+ hscx_cmdr(hscx, 0x80); /* RMC */
+ return;
+ }
+ }
+ if ((hscx->bch.rx_skb->len + count) > hscx->bch.maxlen) {
+ pr_debug("%s: overrun %d\n", hscx->ip->name,
+ hscx->bch.rx_skb->len + count);
+ skb_trim(hscx->bch.rx_skb, 0);
+ hscx_cmdr(hscx, 0x80); /* RMC */
+ return;
+ }
+ p = skb_put(hscx->bch.rx_skb, count);
+
+ if (hscx->ip->type & IPAC_TYPE_IPACX)
+ hscx->ip->read_fifo(hscx->ip->hw,
+ hscx->off + IPACX_RFIFOB, p, count);
+ else
+ hscx->ip->read_fifo(hscx->ip->hw,
+ hscx->off, p, count);
+
+ hscx_cmdr(hscx, 0x80); /* RMC */
+
+ if (hscx->bch.debug & DEBUG_HW_BFIFO) {
+ snprintf(hscx->log, 64, "B%1d-recv %s %d ",
+ hscx->bch.nr, hscx->ip->name, count);
+ print_hex_dump_bytes(hscx->log, DUMP_PREFIX_OFFSET, p, count);
+ }
+}
+
+static void
+hscx_fill_fifo(struct hscx_hw *hscx)
+{
+ int count, more;
+ u8 *p;
+
+ if (!hscx->bch.tx_skb)
+ return;
+ count = hscx->bch.tx_skb->len - hscx->bch.tx_idx;
+ if (count <= 0)
+ return;
+ p = hscx->bch.tx_skb->data + hscx->bch.tx_idx;
+
+ more = test_bit(FLG_TRANSPARENT, &hscx->bch.Flags) ? 1 : 0;
+ if (count > hscx->fifo_size) {
+ count = hscx->fifo_size;
+ more = 1;
+ }
+ pr_debug("%s: B%1d %d/%d/%d\n", hscx->ip->name, hscx->bch.nr, count,
+ hscx->bch.tx_idx, hscx->bch.tx_skb->len);
+ hscx->bch.tx_idx += count;
+
+ if (hscx->ip->type & IPAC_TYPE_IPACX)
+ hscx->ip->write_fifo(hscx->ip->hw,
+ hscx->off + IPACX_XFIFOB, p, count);
+ else {
+ waitforXFW(hscx);
+ hscx->ip->write_fifo(hscx->ip->hw,
+ hscx->off, p, count);
+ }
+ hscx_cmdr(hscx, more ? 0x08 : 0x0a);
+
+ if (hscx->bch.debug & DEBUG_HW_BFIFO) {
+ snprintf(hscx->log, 64, "B%1d-send %s %d ",
+ hscx->bch.nr, hscx->ip->name, count);
+ print_hex_dump_bytes(hscx->log, DUMP_PREFIX_OFFSET, p, count);
+ }
+}
+
+static void
+hscx_xpr(struct hscx_hw *hx)
+{
+ if (hx->bch.tx_skb && hx->bch.tx_idx < hx->bch.tx_skb->len)
+ hscx_fill_fifo(hx);
+ else {
+ if (hx->bch.tx_skb) {
+ /* send confirm, on trans, free on hdlc. */
+ if (test_bit(FLG_TRANSPARENT, &hx->bch.Flags))
+ confirm_Bsend(&hx->bch);
+ dev_kfree_skb(hx->bch.tx_skb);
+ }
+ if (get_next_bframe(&hx->bch))
+ hscx_fill_fifo(hx);
+ }
+}
+
+static void
+ipac_rme(struct hscx_hw *hx)
+{
+ int count;
+ u8 rstab;
+
+ if (hx->ip->type & IPAC_TYPE_IPACX)
+ rstab = ReadHSCX(hx, IPACX_RSTAB);
+ else
+ rstab = ReadHSCX(hx, IPAC_RSTAB);
+ pr_debug("%s: B%1d RSTAB %02x\n", hx->ip->name, hx->bch.nr, rstab);
+ if ((rstab & 0xf0) != 0xa0) {
+ /* !(VFR && !RDO && CRC && !RAB) */
+ if (!(rstab & 0x80)) {
+ if (hx->bch.debug & DEBUG_HW_BCHANNEL)
+ pr_notice("%s: B%1d invalid frame\n",
+ hx->ip->name, hx->bch.nr);
+ }
+ if (rstab & 0x40) {
+ if (hx->bch.debug & DEBUG_HW_BCHANNEL)
+ pr_notice("%s: B%1d RDO proto=%x\n",
+ hx->ip->name, hx->bch.nr,
+ hx->bch.state);
+ }
+ if (!(rstab & 0x20)) {
+ if (hx->bch.debug & DEBUG_HW_BCHANNEL)
+ pr_notice("%s: B%1d CRC error\n",
+ hx->ip->name, hx->bch.nr);
+ }
+ hscx_cmdr(hx, 0x80); /* Do RMC */
+ return;
+ }
+ if (hx->ip->type & IPAC_TYPE_IPACX)
+ count = ReadHSCX(hx, IPACX_RBCLB);
+ else
+ count = ReadHSCX(hx, IPAC_RBCLB);
+ count &= (hx->fifo_size - 1);
+ if (count == 0)
+ count = hx->fifo_size;
+ hscx_empty_fifo(hx, count);
+ if (!hx->bch.rx_skb)
+ return;
+ if (hx->bch.rx_skb->len < 2) {
+ pr_debug("%s: B%1d frame to short %d\n",
+ hx->ip->name, hx->bch.nr, hx->bch.rx_skb->len);
+ skb_trim(hx->bch.rx_skb, 0);
+ } else {
+ skb_trim(hx->bch.rx_skb, hx->bch.rx_skb->len - 1);
+ recv_Bchannel(&hx->bch, 0);
+ }
+}
+
+static void
+ipac_irq(struct hscx_hw *hx, u8 ista)
+{
+ u8 istab, m, exirb = 0;
+
+ if (hx->ip->type & IPAC_TYPE_IPACX)
+ istab = ReadHSCX(hx, IPACX_ISTAB);
+ else if (hx->ip->type & IPAC_TYPE_IPAC) {
+ istab = ReadHSCX(hx, IPAC_ISTAB);
+ m = (hx->bch.nr & 1) ? IPAC__EXA : IPAC__EXB;
+ if (m & ista) {
+ exirb = ReadHSCX(hx, IPAC_EXIRB);
+ pr_debug("%s: B%1d EXIRB %02x\n", hx->ip->name,
+ hx->bch.nr, exirb);
+ }
+ } else if (hx->bch.nr & 2) { /* HSCX B */
+ if (ista & (HSCX__EXA | HSCX__ICA))
+ ipac_irq(&hx->ip->hscx[0], ista);
+ if (ista & HSCX__EXB) {
+ exirb = ReadHSCX(hx, IPAC_EXIRB);
+ pr_debug("%s: B%1d EXIRB %02x\n", hx->ip->name,
+ hx->bch.nr, exirb);
+ }
+ istab = ista & 0xF8;
+ } else { /* HSCX A */
+ istab = ReadHSCX(hx, IPAC_ISTAB);
+ if (ista & HSCX__EXA) {
+ exirb = ReadHSCX(hx, IPAC_EXIRB);
+ pr_debug("%s: B%1d EXIRB %02x\n", hx->ip->name,
+ hx->bch.nr, exirb);
+ }
+ istab = istab & 0xF8;
+ }
+ if (exirb & IPAC_B_XDU)
+ istab |= IPACX_B_XDU;
+ if (exirb & IPAC_B_RFO)
+ istab |= IPACX_B_RFO;
+ pr_debug("%s: B%1d ISTAB %02x\n", hx->ip->name, hx->bch.nr, istab);
+
+ if (!test_bit(FLG_ACTIVE, &hx->bch.Flags))
+ return;
+
+ if (istab & IPACX_B_RME)
+ ipac_rme(hx);
+
+ if (istab & IPACX_B_RPF) {
+ hscx_empty_fifo(hx, hx->fifo_size);
+ if (test_bit(FLG_TRANSPARENT, &hx->bch.Flags)) {
+ /* receive transparent audio data */
+ if (hx->bch.rx_skb)
+ recv_Bchannel(&hx->bch, 0);
+ }
+ }
+
+ if (istab & IPACX_B_RFO) {
+ pr_debug("%s: B%1d RFO error\n", hx->ip->name, hx->bch.nr);
+ hscx_cmdr(hx, 0x40); /* RRES */
+ }
+
+ if (istab & IPACX_B_XPR)
+ hscx_xpr(hx);
+
+ if (istab & IPACX_B_XDU) {
+ if (test_bit(FLG_TRANSPARENT, &hx->bch.Flags)) {
+ hscx_fill_fifo(hx);
+ return;
+ }
+ pr_debug("%s: B%1d XDU error at len %d\n", hx->ip->name,
+ hx->bch.nr, hx->bch.tx_idx);
+ hx->bch.tx_idx = 0;
+ hscx_cmdr(hx, 0x01); /* XRES */
+ }
+}
+
+irqreturn_t
+mISDNipac_irq(struct ipac_hw *ipac, int maxloop)
+{
+ int cnt = maxloop + 1;
+ u8 ista, istad;
+ struct isac_hw *isac = &ipac->isac;
+
+ if (ipac->type & IPAC_TYPE_IPACX) {
+ ista = ReadIPAC(ipac, ISACX_ISTA);
+ while (ista && cnt--) {
+ pr_debug("%s: ISTA %02x\n", ipac->name, ista);
+ if (ista & IPACX__ICA)
+ ipac_irq(&ipac->hscx[0], ista);
+ if (ista & IPACX__ICB)
+ ipac_irq(&ipac->hscx[1], ista);
+ if (ista & (ISACX__ICD | ISACX__CIC))
+ mISDNisac_irq(&ipac->isac, ista);
+ ista = ReadIPAC(ipac, ISACX_ISTA);
+ }
+ } else if (ipac->type & IPAC_TYPE_IPAC) {
+ ista = ReadIPAC(ipac, IPAC_ISTA);
+ while (ista && cnt--) {
+ pr_debug("%s: ISTA %02x\n", ipac->name, ista);
+ if (ista & (IPAC__ICD | IPAC__EXD)) {
+ istad = ReadISAC(isac, ISAC_ISTA);
+ pr_debug("%s: ISTAD %02x\n", ipac->name, istad);
+ if (istad & IPAC_D_TIN2)
+ pr_debug("%s TIN2 irq\n", ipac->name);
+ if (ista & IPAC__EXD)
+ istad |= 1; /* ISAC EXI */
+ mISDNisac_irq(isac, istad);
+ }
+ if (ista & (IPAC__ICA | IPAC__EXA))
+ ipac_irq(&ipac->hscx[0], ista);
+ if (ista & (IPAC__ICB | IPAC__EXB))
+ ipac_irq(&ipac->hscx[1], ista);
+ ista = ReadIPAC(ipac, IPAC_ISTA);
+ }
+ } else if (ipac->type & IPAC_TYPE_HSCX) {
+ while (cnt) {
+ ista = ReadIPAC(ipac, IPAC_ISTAB + ipac->hscx[1].off);
+ pr_debug("%s: B2 ISTA %02x\n", ipac->name, ista);
+ if (ista)
+ ipac_irq(&ipac->hscx[1], ista);
+ istad = ReadISAC(isac, ISAC_ISTA);
+ pr_debug("%s: ISTAD %02x\n", ipac->name, istad);
+ if (istad)
+ mISDNisac_irq(isac, istad);
+ if (0 == (ista | istad))
+ break;
+ cnt--;
+ }
+ }
+ if (cnt > maxloop) /* only for ISAC/HSCX without PCI IRQ test */
+ return IRQ_NONE;
+ if (cnt < maxloop)
+ pr_debug("%s: %d irqloops cpu%d\n", ipac->name,
+ maxloop - cnt, smp_processor_id());
+ if (maxloop && !cnt)
+ pr_notice("%s: %d IRQ LOOP cpu%d\n", ipac->name,
+ maxloop, smp_processor_id());
+ return IRQ_HANDLED;
+}
+EXPORT_SYMBOL(mISDNipac_irq);
+
+static int
+hscx_mode(struct hscx_hw *hscx, u32 bprotocol)
+{
+ pr_debug("%s: HSCX %c protocol %x-->%x ch %d\n", hscx->ip->name,
+ '@' + hscx->bch.nr, hscx->bch.state, bprotocol, hscx->bch.nr);
+ if (hscx->ip->type & IPAC_TYPE_IPACX) {
+ if (hscx->bch.nr & 1) { /* B1 and ICA */
+ WriteIPAC(hscx->ip, ISACX_BCHA_TSDP_BC1, 0x80);
+ WriteIPAC(hscx->ip, ISACX_BCHA_CR, 0x88);
+ } else { /* B2 and ICB */
+ WriteIPAC(hscx->ip, ISACX_BCHB_TSDP_BC1, 0x81);
+ WriteIPAC(hscx->ip, ISACX_BCHB_CR, 0x88);
+ }
+ switch (bprotocol) {
+ case ISDN_P_NONE: /* init */
+ WriteHSCX(hscx, IPACX_MODEB, 0xC0); /* rec off */
+ WriteHSCX(hscx, IPACX_EXMB, 0x30); /* std adj. */
+ WriteHSCX(hscx, IPACX_MASKB, 0xFF); /* ints off */
+ hscx_cmdr(hscx, 0x41);
+ test_and_clear_bit(FLG_HDLC, &hscx->bch.Flags);
+ test_and_clear_bit(FLG_TRANSPARENT, &hscx->bch.Flags);
+ break;
+ case ISDN_P_B_RAW:
+ WriteHSCX(hscx, IPACX_MODEB, 0x88); /* ex trans */
+ WriteHSCX(hscx, IPACX_EXMB, 0x00); /* trans */
+ hscx_cmdr(hscx, 0x41);
+ WriteHSCX(hscx, IPACX_MASKB, IPACX_B_ON);
+ test_and_set_bit(FLG_TRANSPARENT, &hscx->bch.Flags);
+ break;
+ case ISDN_P_B_HDLC:
+ WriteHSCX(hscx, IPACX_MODEB, 0xC0); /* trans */
+ WriteHSCX(hscx, IPACX_EXMB, 0x00); /* hdlc,crc */
+ hscx_cmdr(hscx, 0x41);
+ WriteHSCX(hscx, IPACX_MASKB, IPACX_B_ON);
+ test_and_set_bit(FLG_HDLC, &hscx->bch.Flags);
+ break;
+ default:
+ pr_info("%s: protocol not known %x\n", hscx->ip->name,
+ bprotocol);
+ return -ENOPROTOOPT;
+ }
+ } else if (hscx->ip->type & IPAC_TYPE_IPAC) { /* IPAC */
+ WriteHSCX(hscx, IPAC_CCR1, 0x82);
+ WriteHSCX(hscx, IPAC_CCR2, 0x30);
+ WriteHSCX(hscx, IPAC_XCCR, 0x07);
+ WriteHSCX(hscx, IPAC_RCCR, 0x07);
+ WriteHSCX(hscx, IPAC_TSAX, hscx->slot);
+ WriteHSCX(hscx, IPAC_TSAR, hscx->slot);
+ switch (bprotocol) {
+ case ISDN_P_NONE:
+ WriteHSCX(hscx, IPAC_TSAX, 0x1F);
+ WriteHSCX(hscx, IPAC_TSAR, 0x1F);
+ WriteHSCX(hscx, IPAC_MODEB, 0x84);
+ WriteHSCX(hscx, IPAC_CCR1, 0x82);
+ WriteHSCX(hscx, IPAC_MASKB, 0xFF); /* ints off */
+ test_and_clear_bit(FLG_HDLC, &hscx->bch.Flags);
+ test_and_clear_bit(FLG_TRANSPARENT, &hscx->bch.Flags);
+ break;
+ case ISDN_P_B_RAW:
+ WriteHSCX(hscx, IPAC_MODEB, 0xe4); /* ex trans */
+ WriteHSCX(hscx, IPAC_CCR1, 0x82);
+ hscx_cmdr(hscx, 0x41);
+ WriteHSCX(hscx, IPAC_MASKB, 0);
+ test_and_set_bit(FLG_TRANSPARENT, &hscx->bch.Flags);
+ break;
+ case ISDN_P_B_HDLC:
+ WriteHSCX(hscx, IPAC_MODEB, 0x8c);
+ WriteHSCX(hscx, IPAC_CCR1, 0x8a);
+ hscx_cmdr(hscx, 0x41);
+ WriteHSCX(hscx, IPAC_MASKB, 0);
+ test_and_set_bit(FLG_HDLC, &hscx->bch.Flags);
+ break;
+ default:
+ pr_info("%s: protocol not known %x\n", hscx->ip->name,
+ bprotocol);
+ return -ENOPROTOOPT;
+ }
+ } else if (hscx->ip->type & IPAC_TYPE_HSCX) { /* HSCX */
+ WriteHSCX(hscx, IPAC_CCR1, 0x85);
+ WriteHSCX(hscx, IPAC_CCR2, 0x30);
+ WriteHSCX(hscx, IPAC_XCCR, 0x07);
+ WriteHSCX(hscx, IPAC_RCCR, 0x07);
+ WriteHSCX(hscx, IPAC_TSAX, hscx->slot);
+ WriteHSCX(hscx, IPAC_TSAR, hscx->slot);
+ switch (bprotocol) {
+ case ISDN_P_NONE:
+ WriteHSCX(hscx, IPAC_TSAX, 0x1F);
+ WriteHSCX(hscx, IPAC_TSAR, 0x1F);
+ WriteHSCX(hscx, IPAC_MODEB, 0x84);
+ WriteHSCX(hscx, IPAC_CCR1, 0x85);
+ WriteHSCX(hscx, IPAC_MASKB, 0xFF); /* ints off */
+ test_and_clear_bit(FLG_HDLC, &hscx->bch.Flags);
+ test_and_clear_bit(FLG_TRANSPARENT, &hscx->bch.Flags);
+ break;
+ case ISDN_P_B_RAW:
+ WriteHSCX(hscx, IPAC_MODEB, 0xe4); /* ex trans */
+ WriteHSCX(hscx, IPAC_CCR1, 0x85);
+ hscx_cmdr(hscx, 0x41);
+ WriteHSCX(hscx, IPAC_MASKB, 0);
+ test_and_set_bit(FLG_TRANSPARENT, &hscx->bch.Flags);
+ break;
+ case ISDN_P_B_HDLC:
+ WriteHSCX(hscx, IPAC_MODEB, 0x8c);
+ WriteHSCX(hscx, IPAC_CCR1, 0x8d);
+ hscx_cmdr(hscx, 0x41);
+ WriteHSCX(hscx, IPAC_MASKB, 0);
+ test_and_set_bit(FLG_HDLC, &hscx->bch.Flags);
+ break;
+ default:
+ pr_info("%s: protocol not known %x\n", hscx->ip->name,
+ bprotocol);
+ return -ENOPROTOOPT;
+ }
+ } else
+ return -EINVAL;
+ hscx->bch.state = bprotocol;
+ return 0;
+}
+
+static int
+hscx_l2l1(struct mISDNchannel *ch, struct sk_buff *skb)
+{
+ struct bchannel *bch = container_of(ch, struct bchannel, ch);
+ struct hscx_hw *hx = container_of(bch, struct hscx_hw, bch);
+ int ret = -EINVAL;
+ struct mISDNhead *hh = mISDN_HEAD_P(skb);
+ u32 id;
+ u_long flags;
+
+ switch (hh->prim) {
+ case PH_DATA_REQ:
+ spin_lock_irqsave(hx->ip->hwlock, flags);
+ ret = bchannel_senddata(bch, skb);
+ if (ret > 0) { /* direct TX */
+ id = hh->id; /* skb can be freed */
+ ret = 0;
+ hscx_fill_fifo(hx);
+ spin_unlock_irqrestore(hx->ip->hwlock, flags);
+ if (!test_bit(FLG_TRANSPARENT, &bch->Flags))
+ queue_ch_frame(ch, PH_DATA_CNF, id, NULL);
+ } else
+ spin_unlock_irqrestore(hx->ip->hwlock, flags);
+ return ret;
+ case PH_ACTIVATE_REQ:
+ spin_lock_irqsave(hx->ip->hwlock, flags);
+ if (!test_and_set_bit(FLG_ACTIVE, &bch->Flags))
+ ret = hscx_mode(hx, ch->protocol);
+ else
+ ret = 0;
+ spin_unlock_irqrestore(hx->ip->hwlock, flags);
+ if (!ret)
+ _queue_data(ch, PH_ACTIVATE_IND, MISDN_ID_ANY, 0,
+ NULL, GFP_KERNEL);
+ break;
+ case PH_DEACTIVATE_REQ:
+ spin_lock_irqsave(hx->ip->hwlock, flags);
+ mISDN_clear_bchannel(bch);
+ hscx_mode(hx, ISDN_P_NONE);
+ spin_unlock_irqrestore(hx->ip->hwlock, flags);
+ _queue_data(ch, PH_DEACTIVATE_IND, MISDN_ID_ANY, 0,
+ NULL, GFP_KERNEL);
+ ret = 0;
+ break;
+ default:
+ pr_info("%s: %s unknown prim(%x,%x)\n",
+ hx->ip->name, __func__, hh->prim, hh->id);
+ ret = -EINVAL;
+ }
+ if (!ret)
+ dev_kfree_skb(skb);
+ return ret;
+}
+
+static int
+channel_bctrl(struct bchannel *bch, struct mISDN_ctrl_req *cq)
+{
+ int ret = 0;
+
+ switch (cq->op) {
+ case MISDN_CTRL_GETOP:
+ cq->op = 0;
+ break;
+ /* Nothing implemented yet */
+ case MISDN_CTRL_FILL_EMPTY:
+ default:
+ pr_info("%s: unknown Op %x\n", __func__, cq->op);
+ ret = -EINVAL;
+ break;
+ }
+ return ret;
+}
+
+static int
+hscx_bctrl(struct mISDNchannel *ch, u32 cmd, void *arg)
+{
+ struct bchannel *bch = container_of(ch, struct bchannel, ch);
+ struct hscx_hw *hx = container_of(bch, struct hscx_hw, bch);
+ int ret = -EINVAL;
+ u_long flags;
+
+ pr_debug("%s: %s cmd:%x %p\n", hx->ip->name, __func__, cmd, arg);
+ switch (cmd) {
+ case CLOSE_CHANNEL:
+ test_and_clear_bit(FLG_OPEN, &bch->Flags);
+ if (test_bit(FLG_ACTIVE, &bch->Flags)) {
+ spin_lock_irqsave(hx->ip->hwlock, flags);
+ mISDN_freebchannel(bch);
+ hscx_mode(hx, ISDN_P_NONE);
+ spin_unlock_irqrestore(hx->ip->hwlock, flags);
+ } else {
+ skb_queue_purge(&bch->rqueue);
+ bch->rcount = 0;
+ }
+ ch->protocol = ISDN_P_NONE;
+ ch->peer = NULL;
+ module_put(hx->ip->owner);
+ ret = 0;
+ break;
+ case CONTROL_CHANNEL:
+ ret = channel_bctrl(bch, arg);
+ break;
+ default:
+ pr_info("%s: %s unknown prim(%x)\n",
+ hx->ip->name, __func__, cmd);
+ }
+ return ret;
+}
+
+static void
+free_ipac(struct ipac_hw *ipac)
+{
+ isac_release(&ipac->isac);
+}
+
+static const char *HSCXVer[] =
+{"A1", "?1", "A2", "?3", "A3", "V2.1", "?6", "?7",
+ "?8", "?9", "?10", "?11", "?12", "?13", "?14", "???"};
+
+
+
+static void
+hscx_init(struct hscx_hw *hx)
+{
+ u8 val;
+
+ WriteHSCX(hx, IPAC_RAH2, 0xFF);
+ WriteHSCX(hx, IPAC_XBCH, 0x00);
+ WriteHSCX(hx, IPAC_RLCR, 0x00);
+
+ if (hx->ip->type & IPAC_TYPE_HSCX) {
+ WriteHSCX(hx, IPAC_CCR1, 0x85);
+ val = ReadHSCX(hx, HSCX_VSTR);
+ pr_debug("%s: HSCX VSTR %02x\n", hx->ip->name, val);
+ if (hx->bch.debug & DEBUG_HW)
+ pr_notice("%s: HSCX version %s\n", hx->ip->name,
+ HSCXVer[val & 0x0f]);
+ } else
+ WriteHSCX(hx, IPAC_CCR1, 0x82);
+ WriteHSCX(hx, IPAC_CCR2, 0x30);
+ WriteHSCX(hx, IPAC_XCCR, 0x07);
+ WriteHSCX(hx, IPAC_RCCR, 0x07);
+}
+
+static int
+ipac_init(struct ipac_hw *ipac)
+{
+ u8 val;
+
+ if (ipac->type & IPAC_TYPE_HSCX) {
+ hscx_init(&ipac->hscx[0]);
+ hscx_init(&ipac->hscx[1]);
+ val = ReadIPAC(ipac, IPAC_ID);
+ } else if (ipac->type & IPAC_TYPE_IPAC) {
+ hscx_init(&ipac->hscx[0]);
+ hscx_init(&ipac->hscx[1]);
+ WriteIPAC(ipac, IPAC_MASK, IPAC__ON);
+ val = ReadIPAC(ipac, IPAC_CONF);
+ /* conf is default 0, but can be overwritten by card setup */
+ pr_debug("%s: IPAC CONF %02x/%02x\n", ipac->name,
+ val, ipac->conf);
+ WriteIPAC(ipac, IPAC_CONF, ipac->conf);
+ val = ReadIPAC(ipac, IPAC_ID);
+ if (ipac->hscx[0].bch.debug & DEBUG_HW)
+ pr_notice("%s: IPAC Design ID %02x\n", ipac->name, val);
+ }
+ /* nothing special for IPACX to do here */
+ return isac_init(&ipac->isac);
+}
+
+static int
+open_bchannel(struct ipac_hw *ipac, struct channel_req *rq)
+{
+ struct bchannel *bch;
+
+ if (rq->adr.channel > 2)
+ return -EINVAL;
+ if (rq->protocol == ISDN_P_NONE)
+ return -EINVAL;
+ bch = &ipac->hscx[rq->adr.channel - 1].bch;
+ if (test_and_set_bit(FLG_OPEN, &bch->Flags))
+ return -EBUSY; /* b-channel can be only open once */
+ test_and_clear_bit(FLG_FILLEMPTY, &bch->Flags);
+ bch->ch.protocol = rq->protocol;
+ rq->ch = &bch->ch;
+ return 0;
+}
+
+static int
+channel_ctrl(struct ipac_hw *ipac, struct mISDN_ctrl_req *cq)
+{
+ int ret = 0;
+
+ switch (cq->op) {
+ case MISDN_CTRL_GETOP:
+ cq->op = MISDN_CTRL_LOOP;
+ break;
+ case MISDN_CTRL_LOOP:
+ /* cq->channel: 0 disable, 1 B1 loop 2 B2 loop, 3 both */
+ if (cq->channel < 0 || cq->channel > 3) {
+ ret = -EINVAL;
+ break;
+ }
+ ret = ipac->ctrl(ipac, HW_TESTLOOP, cq->channel);
+ break;
+ default:
+ pr_info("%s: unknown CTRL OP %x\n", ipac->name, cq->op);
+ ret = -EINVAL;
+ break;
+ }
+ return ret;
+}
+
+static int
+ipac_dctrl(struct mISDNchannel *ch, u32 cmd, void *arg)
+{
+ struct mISDNdevice *dev = container_of(ch, struct mISDNdevice, D);
+ struct dchannel *dch = container_of(dev, struct dchannel, dev);
+ struct isac_hw *isac = container_of(dch, struct isac_hw, dch);
+ struct ipac_hw *ipac = container_of(isac, struct ipac_hw, isac);
+ struct channel_req *rq;
+ int err = 0;
+
+ pr_debug("%s: DCTRL: %x %p\n", ipac->name, cmd, arg);
+ switch (cmd) {
+ case OPEN_CHANNEL:
+ rq = arg;
+ if (rq->protocol == ISDN_P_TE_S0)
+ err = open_dchannel(isac, rq);
+ else
+ err = open_bchannel(ipac, rq);
+ if (err)
+ break;
+ if (!try_module_get(ipac->owner))
+ pr_info("%s: cannot get module\n", ipac->name);
+ break;
+ case CLOSE_CHANNEL:
+ pr_debug("%s: dev(%d) close from %p\n", ipac->name,
+ dch->dev.id, __builtin_return_address(0));
+ module_put(ipac->owner);
+ break;
+ case CONTROL_CHANNEL:
+ err = channel_ctrl(ipac, arg);
+ break;
+ default:
+ pr_debug("%s: unknown DCTRL command %x\n", ipac->name, cmd);
+ return -EINVAL;
+ }
+ return err;
+}
+
+u32
+mISDNipac_init(struct ipac_hw *ipac, void *hw)
+{
+ u32 ret;
+ u8 i;
+
+ ipac->hw = hw;
+ if (ipac->isac.dch.debug & DEBUG_HW)
+ pr_notice("%s: ipac type %x\n", ipac->name, ipac->type);
+ if (ipac->type & IPAC_TYPE_HSCX) {
+ ipac->isac.type = IPAC_TYPE_ISAC;
+ ipac->hscx[0].off = 0;
+ ipac->hscx[1].off = 0x40;
+ ipac->hscx[0].fifo_size = 32;
+ ipac->hscx[1].fifo_size = 32;
+ } else if (ipac->type & IPAC_TYPE_IPAC) {
+ ipac->isac.type = IPAC_TYPE_IPAC | IPAC_TYPE_ISAC;
+ ipac->hscx[0].off = 0;
+ ipac->hscx[1].off = 0x40;
+ ipac->hscx[0].fifo_size = 64;
+ ipac->hscx[1].fifo_size = 64;
+ } else if (ipac->type & IPAC_TYPE_IPACX) {
+ ipac->isac.type = IPAC_TYPE_IPACX | IPAC_TYPE_ISACX;
+ ipac->hscx[0].off = IPACX_OFF_ICA;
+ ipac->hscx[1].off = IPACX_OFF_ICB;
+ ipac->hscx[0].fifo_size = 64;
+ ipac->hscx[1].fifo_size = 64;
+ } else
+ return 0;
+
+ mISDNisac_init(&ipac->isac, hw);
+
+ ipac->isac.dch.dev.D.ctrl = ipac_dctrl;
+
+ for (i = 0; i < 2; i++) {
+ ipac->hscx[i].bch.nr = i + 1;
+ set_channelmap(i + 1, ipac->isac.dch.dev.channelmap);
+ list_add(&ipac->hscx[i].bch.ch.list,
+ &ipac->isac.dch.dev.bchannels);
+ mISDN_initbchannel(&ipac->hscx[i].bch, MAX_DATA_MEM);
+ ipac->hscx[i].bch.ch.nr = i + 1;
+ ipac->hscx[i].bch.ch.send = &hscx_l2l1;
+ ipac->hscx[i].bch.ch.ctrl = hscx_bctrl;
+ ipac->hscx[i].bch.hw = hw;
+ ipac->hscx[i].ip = ipac;
+ /* default values for IOM time slots
+ * can be overwriten by card */
+ ipac->hscx[i].slot = (i == 0) ? 0x2f : 0x03;
+ }
+
+ ipac->init = ipac_init;
+ ipac->release = free_ipac;
+
+ ret = (1 << (ISDN_P_B_RAW & ISDN_P_B_MASK)) |
+ (1 << (ISDN_P_B_HDLC & ISDN_P_B_MASK));
+ return ret;
+}
+EXPORT_SYMBOL(mISDNipac_init);
+
+static int __init
+isac_mod_init(void)
+{
+ pr_notice("mISDNipac module version %s\n", ISAC_REV);
+ return 0;
+}
+
+static void __exit
+isac_mod_cleanup(void)
+{
+ pr_notice("mISDNipac module unloaded\n");
+}
+module_init(isac_mod_init);
+module_exit(isac_mod_cleanup);
--
1.6.0.2
--
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