mISDN: Add support for Speedfax+ cards

Add support for the Siemens ISAR DSP chip and cards based on it,
including analog modem protocols.

Signed-off-by: Karsten Keil <keil@b1-systems.de>

1 files changed, 269 insertions, 0 deletions

diff --git a/drivers/isdn/hardware/mISDN/isar.h b/drivers/isdn/hardware/mISDN/isar.h
new file mode 100644
index 000000000000..092351acd2ab
--- /dev/null
+++ b/drivers/isdn/hardware/mISDN/isar.h
@@ -0,0 +1,269 @@
+/*
+ *
+ * isar.h   ISAR (Siemens PSB 7110) specific defines
+ *
+ * Author Karsten Keil (keil@isdn4linux.de)
+ *
+ * Copyright 2009  by Karsten Keil <keil@isdn4linux.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 isar_hw;
+
+struct isar_ch {
+        struct bchannel         bch;
+        struct isar_hw          *is;
+        struct timer_list       ftimer;
+        u8                      nr;
+        u8                      dpath;
+        u8                      mml;
+        u8                      state;
+        u8                      cmd;
+        u8                      mod;
+        u8                      newcmd;
+        u8                      newmod;
+        u8                      try_mod;
+        u8                      conmsg[16];
+};
+
+struct isar_hw {
+        struct  isar_ch ch[2];
+        void            *hw;
+        spinlock_t      *hwlock;        /* lock HW acccess */
+        char            *name;
+        struct module   *owner;
+        read_reg_t      *read_reg;
+        write_reg_t     *write_reg;
+        fifo_func_t     *read_fifo;
+        fifo_func_t     *write_fifo;
+        int             (*ctrl)(void *, u32, u_long);
+        void            (*release)(struct isar_hw *);
+        int             (*init)(struct isar_hw *);
+        int             (*open)(struct isar_hw *, struct channel_req *);
+        int             (*firmware)(struct isar_hw *, const u8 *, int);
+        unsigned long   Flags;
+        int             version;
+        u8              bstat;
+        u8              iis;
+        u8              cmsb;
+        u8              clsb;
+        u8              buf[256];
+        u8              log[256];
+};
+
+#define ISAR_IRQMSK     0x04
+#define ISAR_IRQSTA     0x04
+#define ISAR_IRQBIT     0x75
+#define ISAR_CTRL_H     0x61
+#define ISAR_CTRL_L     0x60
+#define ISAR_IIS        0x58
+#define ISAR_IIA        0x58
+#define ISAR_HIS        0x50
+#define ISAR_HIA        0x50
+#define ISAR_MBOX       0x4c
+#define ISAR_WADR       0x4a
+#define ISAR_RADR       0x48
+
+#define ISAR_HIS_VNR            0x14
+#define ISAR_HIS_DKEY           0x02
+#define ISAR_HIS_FIRM           0x1e
+#define ISAR_HIS_STDSP          0x08
+#define ISAR_HIS_DIAG           0x05
+#define ISAR_HIS_P0CFG          0x3c
+#define ISAR_HIS_P12CFG         0x24
+#define ISAR_HIS_SARTCFG        0x25
+#define ISAR_HIS_PUMPCFG        0x26
+#define ISAR_HIS_PUMPCTRL       0x2a
+#define ISAR_HIS_IOM2CFG        0x27
+#define ISAR_HIS_IOM2REQ        0x07
+#define ISAR_HIS_IOM2CTRL       0x2b
+#define ISAR_HIS_BSTREQ         0x0c
+#define ISAR_HIS_PSTREQ         0x0e
+#define ISAR_HIS_SDATA          0x20
+#define ISAR_HIS_DPS1           0x40
+#define ISAR_HIS_DPS2           0x80
+#define SET_DPS(x)              ((x<<6) & 0xc0)
+
+#define ISAR_IIS_MSCMSD         0x3f
+#define ISAR_IIS_VNR            0x15
+#define ISAR_IIS_DKEY           0x03
+#define ISAR_IIS_FIRM           0x1f
+#define ISAR_IIS_STDSP          0x09
+#define ISAR_IIS_DIAG           0x25
+#define ISAR_IIS_GSTEV          0x00
+#define ISAR_IIS_BSTEV          0x28
+#define ISAR_IIS_BSTRSP         0x2c
+#define ISAR_IIS_PSTRSP         0x2e
+#define ISAR_IIS_PSTEV          0x2a
+#define ISAR_IIS_IOM2RSP        0x27
+#define ISAR_IIS_RDATA          0x20
+#define ISAR_IIS_INVMSG         0x3f
+
+#define ISAR_CTRL_SWVER 0x10
+#define ISAR_CTRL_STST  0x40
+
+#define ISAR_MSG_HWVER  0x20
+
+#define ISAR_DP1_USE    1
+#define ISAR_DP2_USE    2
+#define ISAR_RATE_REQ   3
+
+#define PMOD_DISABLE    0
+#define PMOD_FAX        1
+#define PMOD_DATAMODEM  2
+#define PMOD_HALFDUPLEX 3
+#define PMOD_V110       4
+#define PMOD_DTMF       5
+#define PMOD_DTMF_TRANS 6
+#define PMOD_BYPASS     7
+
+#define PCTRL_ORIG      0x80
+#define PV32P2_V23R     0x40
+#define PV32P2_V22A     0x20
+#define PV32P2_V22B     0x10
+#define PV32P2_V22C     0x08
+#define PV32P2_V21      0x02
+#define PV32P2_BEL      0x01
+
+/* LSB MSB in ISAR doc wrong !!! Arghhh */
+#define PV32P3_AMOD     0x80
+#define PV32P3_V32B     0x02
+#define PV32P3_V23B     0x01
+#define PV32P4_48       0x11
+#define PV32P5_48       0x05
+#define PV32P4_UT48     0x11
+#define PV32P5_UT48     0x0d
+#define PV32P4_96       0x11
+#define PV32P5_96       0x03
+#define PV32P4_UT96     0x11
+#define PV32P5_UT96     0x0f
+#define PV32P4_B96      0x91
+#define PV32P5_B96      0x0b
+#define PV32P4_UTB96    0xd1
+#define PV32P5_UTB96    0x0f
+#define PV32P4_120      0xb1
+#define PV32P5_120      0x09
+#define PV32P4_UT120    0xf1
+#define PV32P5_UT120    0x0f
+#define PV32P4_144      0x99
+#define PV32P5_144      0x09
+#define PV32P4_UT144    0xf9
+#define PV32P5_UT144    0x0f
+#define PV32P6_CTN      0x01
+#define PV32P6_ATN      0x02
+
+#define PFAXP2_CTN      0x01
+#define PFAXP2_ATN      0x04
+
+#define PSEV_10MS_TIMER 0x02
+#define PSEV_CON_ON     0x18
+#define PSEV_CON_OFF    0x19
+#define PSEV_V24_OFF    0x20
+#define PSEV_CTS_ON     0x21
+#define PSEV_CTS_OFF    0x22
+#define PSEV_DCD_ON     0x23
+#define PSEV_DCD_OFF    0x24
+#define PSEV_DSR_ON     0x25
+#define PSEV_DSR_OFF    0x26
+#define PSEV_REM_RET    0xcc
+#define PSEV_REM_REN    0xcd
+#define PSEV_GSTN_CLR   0xd4
+
+#define PSEV_RSP_READY  0xbc
+#define PSEV_LINE_TX_H  0xb3
+#define PSEV_LINE_TX_B  0xb2
+#define PSEV_LINE_RX_H  0xb1
+#define PSEV_LINE_RX_B  0xb0
+#define PSEV_RSP_CONN   0xb5
+#define PSEV_RSP_DISC   0xb7
+#define PSEV_RSP_FCERR  0xb9
+#define PSEV_RSP_SILDET 0xbe
+#define PSEV_RSP_SILOFF 0xab
+#define PSEV_FLAGS_DET  0xba
+
+#define PCTRL_CMD_TDTMF 0x5a
+
+#define PCTRL_CMD_FTH   0xa7
+#define PCTRL_CMD_FRH   0xa5
+#define PCTRL_CMD_FTM   0xa8
+#define PCTRL_CMD_FRM   0xa6
+#define PCTRL_CMD_SILON 0xac
+#define PCTRL_CMD_CONT  0xa2
+#define PCTRL_CMD_ESC   0xa4
+#define PCTRL_CMD_SILOFF 0xab
+#define PCTRL_CMD_HALT  0xa9
+
+#define PCTRL_LOC_RET   0xcf
+#define PCTRL_LOC_REN   0xce
+
+#define SMODE_DISABLE   0
+#define SMODE_V14       2
+#define SMODE_HDLC      3
+#define SMODE_BINARY    4
+#define SMODE_FSK_V14   5
+
+#define SCTRL_HDMC_BOTH 0x00
+#define SCTRL_HDMC_DTX  0x80
+#define SCTRL_HDMC_DRX  0x40
+#define S_P1_OVSP       0x40
+#define S_P1_SNP        0x20
+#define S_P1_EOP        0x10
+#define S_P1_EDP        0x08
+#define S_P1_NSB        0x04
+#define S_P1_CHS_8      0x03
+#define S_P1_CHS_7      0x02
+#define S_P1_CHS_6      0x01
+#define S_P1_CHS_5      0x00
+
+#define S_P2_BFT_DEF    0x10
+
+#define IOM_CTRL_ENA    0x80
+#define IOM_CTRL_NOPCM  0x00
+#define IOM_CTRL_ALAW   0x02
+#define IOM_CTRL_ULAW   0x04
+#define IOM_CTRL_RCV    0x01
+
+#define IOM_P1_TXD      0x10
+
+#define HDLC_FED        0x40
+#define HDLC_FSD        0x20
+#define HDLC_FST        0x20
+#define HDLC_ERROR      0x1c
+#define HDLC_ERR_FAD    0x10
+#define HDLC_ERR_RER    0x08
+#define HDLC_ERR_CER    0x04
+#define SART_NMD        0x01
+
+#define BSTAT_RDM0      0x1
+#define BSTAT_RDM1      0x2
+#define BSTAT_RDM2      0x4
+#define BSTAT_RDM3      0x8
+#define BSTEV_TBO       0x1f
+#define BSTEV_RBO       0x2f
+
+/* FAX State Machine */
+#define STFAX_NULL      0
+#define STFAX_READY     1
+#define STFAX_LINE      2
+#define STFAX_CONT      3
+#define STFAX_ACTIV     4
+#define STFAX_ESCAPE    5
+#define STFAX_SILDET    6
+
+extern u32 mISDNisar_init(struct isar_hw *, void *);
+extern void mISDNisar_irq(struct isar_hw *);