[ALSA] Add snd-riptide driver for Conexant Riptide chip
Peter Gruber [Mon, 27 Mar 2006 11:10:28 +0000 (13:10 +0200)]
Add snd-riptide driver for Conexant Riptide chip by Peter Gruber.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

Documentation/sound/alsa/ALSA-Configuration.txt
sound/pci/Kconfig
sound/pci/Makefile
sound/pci/riptide/Makefile [new file with mode: 0644]
sound/pci/riptide/riptide.c [new file with mode: 0644]

index 1ac2094..5f79efa 100644 (file)
@@ -1220,6 +1220,20 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
 
     The power-management is supported.
 
+  Module snd-riptide
+  ------------------
+
+    Module for Conexant Riptide chip
+
+      joystick_port    - Joystick port # (default: 0x200)
+      mpu_port         - MPU401 port # (default: 0x330)
+      opl3_port                - OPL3 port # (default: 0x388)
+
+    This module supports multiple cards.
+    The driver requires the firmware loader support on kernel.
+    You need to install the firmware file "riptide.hex" to the standard
+    firmware path (e.g. /lib/firmware).
+
   Module snd-rme32
   ----------------
 
index 5517442..933ce36 100644 (file)
@@ -467,6 +467,19 @@ config SND_PCXHR
          To compile this driver as a module, choose M here: the module
          will be called snd-pcxhr.
 
+config SND_RIPTIDE
+       tristate "Conexant Riptide"
+       depends on SND
+       depends on FW_LOADER
+       select SND_OPL3_LIB
+       select SND_MPU401_UART
+       select SND_AC97_CODEC
+       help
+         Say 'Y' or 'M' to include support for Conexant Riptide chip.
+
+         To compile this driver as a module, choose M here: the module
+         will be called snd-riptide
+
 config SND_RME32
        tristate "RME Digi32, 32/8, 32 PRO"
        depends on SND
index a6c3cd5..daa4253 100644 (file)
@@ -62,6 +62,7 @@ obj-$(CONFIG_SND) += \
        mixart/ \
        nm256/ \
        pcxhr/ \
+       riptide/ \
        rme9652/ \
        trident/ \
        ymfpci/ \
diff --git a/sound/pci/riptide/Makefile b/sound/pci/riptide/Makefile
new file mode 100644 (file)
index 0000000..dcd2e64
--- /dev/null
@@ -0,0 +1,3 @@
+snd-riptide-objs := riptide.o
+
+obj-$(CONFIG_SND_RIPTIDE) += snd-riptide.o
diff --git a/sound/pci/riptide/riptide.c b/sound/pci/riptide/riptide.c
new file mode 100644 (file)
index 0000000..5b3e499
--- /dev/null
@@ -0,0 +1,2226 @@
+/*
+ *   Driver for the Conexant Riptide Soundchip
+ *
+ *     Copyright (c) 2004 Peter Gruber <nokos@gmx.net>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ *
+ */
+/*
+  History:
+   - 02/15/2004 first release
+   
+  This Driver is based on the OSS Driver version from Linuxant (riptide-0.6lnxtbeta03111100)
+  credits from the original files:
+  
+  MODULE NAME:        cnxt_rt.h                       
+  AUTHOR:             K. Lazarev  (Transcribed by KNL)
+  HISTORY:         Major Revision               Date        By
+            -----------------------------     --------     -----
+            Created                           02/1/2000     KNL
+
+  MODULE NAME:     int_mdl.c                       
+  AUTHOR:          Konstantin Lazarev    (Transcribed by KNL)
+  HISTORY:         Major Revision               Date        By
+            -----------------------------     --------     -----
+            Created                           10/01/99      KNL
+           
+  MODULE NAME:        riptide.h                       
+  AUTHOR:             O. Druzhinin  (Transcribed by OLD)
+  HISTORY:         Major Revision               Date        By
+            -----------------------------     --------     -----
+            Created                           10/16/97      OLD
+
+  MODULE NAME:        Rp_Cmdif.cpp                       
+  AUTHOR:             O. Druzhinin  (Transcribed by OLD)
+                      K. Lazarev    (Transcribed by KNL)
+  HISTORY:         Major Revision               Date        By
+            -----------------------------     --------     -----
+            Adopted from NT4 driver            6/22/99      OLD
+            Ported to Linux                    9/01/99      KNL
+
+  MODULE NAME:        rt_hw.c                       
+  AUTHOR:             O. Druzhinin  (Transcribed by OLD)
+                      C. Lazarev    (Transcribed by CNL)
+  HISTORY:         Major Revision               Date        By
+            -----------------------------     --------     -----
+            Created                           11/18/97      OLD
+            Hardware functions for RipTide    11/24/97      CNL
+            (ES1) are coded
+            Hardware functions for RipTide    12/24/97      CNL
+            (A0) are coded
+            Hardware functions for RipTide    03/20/98      CNL
+            (A1) are coded
+            Boot loader is included           05/07/98      CNL
+            Redesigned for WDM                07/27/98      CNL
+            Redesigned for Linux              09/01/99      CNL
+
+  MODULE NAME:        rt_hw.h
+  AUTHOR:             C. Lazarev    (Transcribed by CNL)
+  HISTORY:         Major Revision               Date        By
+            -----------------------------     --------     -----
+            Created                           11/18/97      CNL
+
+  MODULE NAME:     rt_mdl.c                       
+  AUTHOR:          Konstantin Lazarev    (Transcribed by KNL)
+  HISTORY:         Major Revision               Date        By
+            -----------------------------     --------     -----
+            Created                           10/01/99      KNL
+
+  MODULE NAME:        mixer.h                        
+  AUTHOR:             K. Kenney
+  HISTORY:         Major Revision                   Date          By
+            -----------------------------          --------     -----
+            Created from MS W95 Sample             11/28/95      KRS
+            RipTide                                10/15/97      KRS
+            Adopted for Windows NT driver          01/20/98      CNL
+*/
+
+#include <sound/driver.h>
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+#include <linux/slab.h>
+#include <linux/wait.h>
+#include <linux/gameport.h>
+#include <linux/device.h>
+#include <linux/firmware.h>
+#include <asm/io.h>
+#include <sound/core.h>
+#include <sound/info.h>
+#include <sound/control.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/ac97_codec.h>
+#include <sound/mpu401.h>
+#include <sound/opl3.h>
+#include <sound/initval.h>
+
+#if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
+#define SUPPORT_JOYSTICK 1
+#endif
+
+MODULE_AUTHOR("Peter Gruber <nokos@gmx.net>");
+MODULE_DESCRIPTION("riptide");
+MODULE_LICENSE("GPL");
+MODULE_SUPPORTED_DEVICE("{{Conexant,Riptide}}");
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
+static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
+static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
+
+#ifdef SUPPORT_JOYSTICK
+static int joystick_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x200 };
+#endif
+static int mpu_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x330 };
+static int opl3_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x388 };
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for Riptide soundcard.");
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string for Riptide soundcard.");
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "Enable Riptide soundcard.");
+#ifdef SUPPORT_JOYSTICK
+module_param_array(joystick_port, int, NULL, 0444);
+MODULE_PARM_DESC(joystick_port, "Joystick port # for Riptide soundcard.");
+#endif
+module_param_array(mpu_port, int, NULL, 0444);
+MODULE_PARM_DESC(mpu_port, "MPU401 port # for Riptide driver.");
+module_param_array(opl3_port, int, NULL, 0444);
+MODULE_PARM_DESC(opl3_port, "OPL3 port # for Riptide driver.");
+
+/*
+ */
+
+#define MPU401_HW_RIPTIDE MPU401_HW_MPU401
+#define OPL3_HW_RIPTIDE   OPL3_HW_OPL3
+
+#define PCI_EXT_CapId       0x40
+#define PCI_EXT_NextCapPrt  0x41
+#define PCI_EXT_PWMC        0x42
+#define PCI_EXT_PWSCR       0x44
+#define PCI_EXT_Data00      0x46
+#define PCI_EXT_PMSCR_BSE   0x47
+#define PCI_EXT_SB_Base     0x48
+#define PCI_EXT_FM_Base     0x4a
+#define PCI_EXT_MPU_Base    0x4C
+#define PCI_EXT_Game_Base   0x4E
+#define PCI_EXT_Legacy_Mask 0x50
+#define PCI_EXT_AsicRev     0x52
+#define PCI_EXT_Reserved3   0x53
+
+#define LEGACY_ENABLE_ALL      0x8000  /* legacy device options */
+#define LEGACY_ENABLE_SB       0x4000
+#define LEGACY_ENABLE_FM       0x2000
+#define LEGACY_ENABLE_MPU_INT  0x1000
+#define LEGACY_ENABLE_MPU      0x0800
+#define LEGACY_ENABLE_GAMEPORT 0x0400
+
+#define MAX_WRITE_RETRY  10    /* cmd interface limits */
+#define MAX_ERROR_COUNT  10
+#define CMDIF_TIMEOUT    500000
+#define RESET_TRIES      5
+
+#define READ_PORT_ULONG(p)     inl((unsigned long)&(p))
+#define WRITE_PORT_ULONG(p,x)  outl(x,(unsigned long)&(p))
+
+#define READ_AUDIO_CONTROL(p)     READ_PORT_ULONG(p->audio_control)
+#define WRITE_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,x)
+#define UMASK_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)|x)
+#define MASK_AUDIO_CONTROL(p,x)   WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)&x)
+#define READ_AUDIO_STATUS(p)      READ_PORT_ULONG(p->audio_status)
+
+#define SET_GRESET(p)     UMASK_AUDIO_CONTROL(p,0x0001)        /* global reset switch */
+#define UNSET_GRESET(p)   MASK_AUDIO_CONTROL(p,~0x0001)
+#define SET_AIE(p)        UMASK_AUDIO_CONTROL(p,0x0004)        /* interrupt enable */
+#define UNSET_AIE(p)      MASK_AUDIO_CONTROL(p,~0x0004)
+#define SET_AIACK(p)      UMASK_AUDIO_CONTROL(p,0x0008)        /* interrupt acknowledge */
+#define UNSET_AIACKT(p)   MASKAUDIO_CONTROL(p,~0x0008)
+#define SET_ECMDAE(p)     UMASK_AUDIO_CONTROL(p,0x0010)
+#define UNSET_ECMDAE(p)   MASK_AUDIO_CONTROL(p,~0x0010)
+#define SET_ECMDBE(p)     UMASK_AUDIO_CONTROL(p,0x0020)
+#define UNSET_ECMDBE(p)   MASK_AUDIO_CONTROL(p,~0x0020)
+#define SET_EDATAF(p)     UMASK_AUDIO_CONTROL(p,0x0040)
+#define UNSET_EDATAF(p)   MASK_AUDIO_CONTROL(p,~0x0040)
+#define SET_EDATBF(p)     UMASK_AUDIO_CONTROL(p,0x0080)
+#define UNSET_EDATBF(p)   MASK_AUDIO_CONTROL(p,~0x0080)
+#define SET_ESBIRQON(p)   UMASK_AUDIO_CONTROL(p,0x0100)
+#define UNSET_ESBIRQON(p) MASK_AUDIO_CONTROL(p,~0x0100)
+#define SET_EMPUIRQ(p)    UMASK_AUDIO_CONTROL(p,0x0200)
+#define UNSET_EMPUIRQ(p)  MASK_AUDIO_CONTROL(p,~0x0200)
+#define IS_CMDE(a)        (READ_PORT_ULONG(a->stat)&0x1)       /* cmd empty */
+#define IS_DATF(a)        (READ_PORT_ULONG(a->stat)&0x2)       /* data filled */
+#define IS_READY(p)       (READ_AUDIO_STATUS(p)&0x0001)
+#define IS_DLREADY(p)     (READ_AUDIO_STATUS(p)&0x0002)
+#define IS_DLERR(p)       (READ_AUDIO_STATUS(p)&0x0004)
+#define IS_GERR(p)        (READ_AUDIO_STATUS(p)&0x0008)        /* error ! */
+#define IS_CMDAEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0010)
+#define IS_CMDBEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0020)
+#define IS_DATAFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0040)
+#define IS_DATBFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0080)
+#define IS_EOBIRQ(p)      (READ_AUDIO_STATUS(p)&0x0100)        /* interrupt status */
+#define IS_EOSIRQ(p)      (READ_AUDIO_STATUS(p)&0x0200)
+#define IS_EOCIRQ(p)      (READ_AUDIO_STATUS(p)&0x0400)
+#define IS_UNSLIRQ(p)     (READ_AUDIO_STATUS(p)&0x0800)
+#define IS_SBIRQ(p)       (READ_AUDIO_STATUS(p)&0x1000)
+#define IS_MPUIRQ(p)      (READ_AUDIO_STATUS(p)&0x2000)
+
+#define RESP 0x00000001                /* command flags */
+#define PARM 0x00000002
+#define CMDA 0x00000004
+#define CMDB 0x00000008
+#define NILL 0x00000000
+
+#define LONG0(a)   ((u32)a)    /* shifts and masks */
+#define BYTE0(a)   (LONG0(a)&0xff)
+#define BYTE1(a)   (BYTE0(a)<<8)
+#define BYTE2(a)   (BYTE0(a)<<16)
+#define BYTE3(a)   (BYTE0(a)<<24)
+#define WORD0(a)   (LONG0(a)&0xffff)
+#define WORD1(a)   (WORD0(a)<<8)
+#define WORD2(a)   (WORD0(a)<<16)
+#define TRINIB0(a) (LONG0(a)&0xffffff)
+#define TRINIB1(a) (TRINIB0(a)<<8)
+
+#define RET(a)     ((union cmdret *)(a))
+
+#define SEND_GETV(p,b)             sendcmd(p,RESP,GETV,0,RET(b))       /* get version */
+#define SEND_GETC(p,b,c)           sendcmd(p,PARM|RESP,GETC,c,RET(b))
+#define SEND_GUNS(p,b)             sendcmd(p,RESP,GUNS,0,RET(b))
+#define SEND_SCID(p,b)             sendcmd(p,RESP,SCID,0,RET(b))
+#define SEND_RMEM(p,b,c,d)         sendcmd(p,PARM|RESP,RMEM|BYTE1(b),LONG0(c),RET(d))  /* memory access for firmware write */
+#define SEND_SMEM(p,b,c)           sendcmd(p,PARM,SMEM|BYTE1(b),LONG0(c),RET(0))       /* memory access for firmware write */
+#define SEND_WMEM(p,b,c)           sendcmd(p,PARM,WMEM|BYTE1(b),LONG0(c),RET(0))       /* memory access for firmware write */
+#define SEND_SDTM(p,b,c)           sendcmd(p,PARM|RESP,SDTM|TRINIB1(b),0,RET(c))       /* memory access for firmware write */
+#define SEND_GOTO(p,b)             sendcmd(p,PARM,GOTO,LONG0(b),RET(0))        /* memory access for firmware write */
+#define SEND_SETDPLL(p)                   sendcmd(p,0,ARM_SETDPLL,0,RET(0))
+#define SEND_SSTR(p,b,c)           sendcmd(p,PARM,SSTR|BYTE3(b),LONG0(c),RET(0))       /* start stream */
+#define SEND_PSTR(p,b)             sendcmd(p,PARM,PSTR,BYTE3(b),RET(0))        /* pause stream */
+#define SEND_KSTR(p,b)             sendcmd(p,PARM,KSTR,BYTE3(b),RET(0))        /* stop stream */
+#define SEND_KDMA(p)               sendcmd(p,0,KDMA,0,RET(0))  /* stop all dma */
+#define SEND_GPOS(p,b,c,d)         sendcmd(p,PARM|RESP,GPOS,BYTE3(c)|BYTE2(b),RET(d))  /* get position in dma */
+#define SEND_SETF(p,b,c,d,e,f,g)   sendcmd(p,PARM,SETF|WORD1(b)|BYTE3(c),d|BYTE1(e)|BYTE2(f)|BYTE3(g),RET(0))  /* set sample format at mixer */
+#define SEND_GSTS(p,b,c,d)         sendcmd(p,PARM|RESP,GSTS,BYTE3(c)|BYTE2(b),RET(d))
+#define SEND_NGPOS(p,b,c,d)        sendcmd(p,PARM|RESP,NGPOS,BYTE3(c)|BYTE2(b),RET(d))
+#define SEND_PSEL(p,b,c)           sendcmd(p,PARM,PSEL,BYTE2(b)|BYTE3(c),RET(0))       /* activate lbus path */
+#define SEND_PCLR(p,b,c)           sendcmd(p,PARM,PCLR,BYTE2(b)|BYTE3(c),RET(0))       /* deactivate lbus path */
+#define SEND_PLST(p,b)             sendcmd(p,PARM,PLST,BYTE3(b),RET(0))
+#define SEND_RSSV(p,b,c,d)         sendcmd(p,PARM|RESP,RSSV,BYTE2(b)|BYTE3(c),RET(d))
+#define SEND_LSEL(p,b,c,d,e,f,g,h) sendcmd(p,PARM,LSEL|BYTE1(b)|BYTE2(c)|BYTE3(d),BYTE0(e)|BYTE1(f)|BYTE2(g)|BYTE3(h),RET(0))  /* select paths for internal connections */
+#define SEND_SSRC(p,b,c,d,e)       sendcmd(p,PARM,SSRC|BYTE1(b)|WORD2(c),WORD0(d)|WORD2(e),RET(0))     /* configure source */
+#define SEND_SLST(p,b)             sendcmd(p,PARM,SLST,BYTE3(b),RET(0))
+#define SEND_RSRC(p,b,c)           sendcmd(p,RESP,RSRC|BYTE1(b),0,RET(c))      /* read source config */
+#define SEND_SSRB(p,b,c)           sendcmd(p,PARM,SSRB|BYTE1(b),WORD2(c),RET(0))
+#define SEND_SDGV(p,b,c,d,e)       sendcmd(p,PARM,SDGV|BYTE2(b)|BYTE3(c),WORD0(d)|WORD2(e),RET(0))     /* set digital mixer */
+#define SEND_RDGV(p,b,c,d)         sendcmd(p,PARM|RESP,RDGV|BYTE2(b)|BYTE3(c),0,RET(d))        /* read digital mixer */
+#define SEND_DLST(p,b)             sendcmd(p,PARM,DLST,BYTE3(b),RET(0))
+#define SEND_SACR(p,b,c)           sendcmd(p,PARM,SACR,WORD0(b)|WORD2(c),RET(0))       /* set AC97 register */
+#define SEND_RACR(p,b,c)           sendcmd(p,PARM|RESP,RACR,WORD2(b),RET(c))   /* get AC97 register */
+#define SEND_ALST(p,b)             sendcmd(p,PARM,ALST,BYTE3(b),RET(0))
+#define SEND_TXAC(p,b,c,d,e,f)     sendcmd(p,PARM,TXAC|BYTE1(b)|WORD2(c),WORD0(d)|BYTE2(e)|BYTE3(f),RET(0))
+#define SEND_RXAC(p,b,c,d)         sendcmd(p,PARM|RESP,RXAC,BYTE2(b)|BYTE3(c),RET(d))
+#define SEND_SI2S(p,b)             sendcmd(p,PARM,SI2S,WORD2(b),RET(0))
+
+#define EOB_STATUS         0x80000000  /* status flags : block boundary */
+#define EOS_STATUS         0x40000000  /*              : stoppped */
+#define EOC_STATUS         0x20000000  /*              : stream end */
+#define ERR_STATUS         0x10000000
+#define EMPTY_STATUS       0x08000000
+
+#define IEOB_ENABLE        0x1 /* enable interrupts for status notification above */
+#define IEOS_ENABLE        0x2
+#define IEOC_ENABLE        0x4
+#define RDONCE             0x8
+#define DESC_MAX_MASK      0xff
+
+#define ST_PLAY  0x1           /* stream states */
+#define ST_STOP  0x2
+#define ST_PAUSE 0x4
+
+#define I2S_INTDEC     3       /* config for I2S link */
+#define I2S_MERGER     0
+#define I2S_SPLITTER   0
+#define I2S_MIXER      7
+#define I2S_RATE       44100
+
+#define MODEM_INTDEC   4       /* config for modem link */
+#define MODEM_MERGER   3
+#define MODEM_SPLITTER 0
+#define MODEM_MIXER    11
+
+#define FM_INTDEC      3       /* config for FM/OPL3 link */
+#define FM_MERGER      0
+#define FM_SPLITTER    0
+#define FM_MIXER       9
+
+#define SPLIT_PATH  0x80       /* path splitting flag */
+
+enum FIRMWARE {
+       DATA_REC = 0, EXT_END_OF_FILE, EXT_SEG_ADDR_REC, EXT_GOTO_CMD_REC,
+       EXT_LIN_ADDR_REC,
+};
+
+enum CMDS {
+       GETV = 0x00, GETC, GUNS, SCID, RMEM =
+           0x10, SMEM, WMEM, SDTM, GOTO, SSTR =
+           0x20, PSTR, KSTR, KDMA, GPOS, SETF, GSTS, NGPOS, PSEL =
+           0x30, PCLR, PLST, RSSV, LSEL, SSRC = 0x40, SLST, RSRC, SSRB, SDGV =
+           0x50, RDGV, DLST, SACR = 0x60, RACR, ALST, TXAC, RXAC, SI2S =
+           0x70, ARM_SETDPLL = 0x72,
+};
+
+enum E1SOURCE {
+       ARM2LBUS_FIFO0 = 0, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2, ARM2LBUS_FIFO3,
+       ARM2LBUS_FIFO4, ARM2LBUS_FIFO5, ARM2LBUS_FIFO6, ARM2LBUS_FIFO7,
+       ARM2LBUS_FIFO8, ARM2LBUS_FIFO9, ARM2LBUS_FIFO10, ARM2LBUS_FIFO11,
+       ARM2LBUS_FIFO12, ARM2LBUS_FIFO13, ARM2LBUS_FIFO14, ARM2LBUS_FIFO15,
+       INTER0_OUT, INTER1_OUT, INTER2_OUT, INTER3_OUT, INTER4_OUT,
+       INTERM0_OUT, INTERM1_OUT, INTERM2_OUT, INTERM3_OUT, INTERM4_OUT,
+       INTERM5_OUT, INTERM6_OUT, DECIMM0_OUT, DECIMM1_OUT, DECIMM2_OUT,
+       DECIMM3_OUT, DECIM0_OUT, SR3_4_OUT, OPL3_SAMPLE, ASRC0, ASRC1,
+       ACLNK2PADC, ACLNK2MODEM0RX, ACLNK2MIC, ACLNK2MODEM1RX, ACLNK2HNDMIC,
+       DIGITAL_MIXER_OUT0, GAINFUNC0_OUT, GAINFUNC1_OUT, GAINFUNC2_OUT,
+       GAINFUNC3_OUT, GAINFUNC4_OUT, SOFTMODEMTX, SPLITTER0_OUTL,
+       SPLITTER0_OUTR, SPLITTER1_OUTL, SPLITTER1_OUTR, SPLITTER2_OUTL,
+       SPLITTER2_OUTR, SPLITTER3_OUTL, SPLITTER3_OUTR, MERGER0_OUT,
+       MERGER1_OUT, MERGER2_OUT, MERGER3_OUT, ARM2LBUS_FIFO_DIRECT, NO_OUT
+};
+
+enum E2SINK {
+       LBUS2ARM_FIFO0 = 0, LBUS2ARM_FIFO1, LBUS2ARM_FIFO2, LBUS2ARM_FIFO3,
+       LBUS2ARM_FIFO4, LBUS2ARM_FIFO5, LBUS2ARM_FIFO6, LBUS2ARM_FIFO7,
+       INTER0_IN, INTER1_IN, INTER2_IN, INTER3_IN, INTER4_IN, INTERM0_IN,
+       INTERM1_IN, INTERM2_IN, INTERM3_IN, INTERM4_IN, INTERM5_IN, INTERM6_IN,
+       DECIMM0_IN, DECIMM1_IN, DECIMM2_IN, DECIMM3_IN, DECIM0_IN, SR3_4_IN,
+       PDAC2ACLNK, MODEM0TX2ACLNK, MODEM1TX2ACLNK, HNDSPK2ACLNK,
+       DIGITAL_MIXER_IN0, DIGITAL_MIXER_IN1, DIGITAL_MIXER_IN2,
+       DIGITAL_MIXER_IN3, DIGITAL_MIXER_IN4, DIGITAL_MIXER_IN5,
+       DIGITAL_MIXER_IN6, DIGITAL_MIXER_IN7, DIGITAL_MIXER_IN8,
+       DIGITAL_MIXER_IN9, DIGITAL_MIXER_IN10, DIGITAL_MIXER_IN11,
+       GAINFUNC0_IN, GAINFUNC1_IN, GAINFUNC2_IN, GAINFUNC3_IN, GAINFUNC4_IN,
+       SOFTMODEMRX, SPLITTER0_IN, SPLITTER1_IN, SPLITTER2_IN, SPLITTER3_IN,
+       MERGER0_INL, MERGER0_INR, MERGER1_INL, MERGER1_INR, MERGER2_INL,
+       MERGER2_INR, MERGER3_INL, MERGER3_INR, E2SINK_MAX
+};
+
+enum LBUS_SINK {
+       LS_SRC_INTERPOLATOR = 0, LS_SRC_INTERPOLATORM, LS_SRC_DECIMATOR,
+       LS_SRC_DECIMATORM, LS_MIXER_IN, LS_MIXER_GAIN_FUNCTION,
+       LS_SRC_SPLITTER, LS_SRC_MERGER, LS_NONE1, LS_NONE2,
+};
+
+enum RT_CHANNEL_IDS {
+       M0TX = 0, M1TX, TAMTX, HSSPKR, PDAC, DSNDTX0, DSNDTX1, DSNDTX2,
+       DSNDTX3, DSNDTX4, DSNDTX5, DSNDTX6, DSNDTX7, WVSTRTX, COP3DTX, SPARE,
+       M0RX, HSMIC, M1RX, CLEANRX, MICADC, PADC, COPRX1, COPRX2,
+       CHANNEL_ID_COUNTER
+};
+
+enum { SB_CMD = 0, MODEM_CMD, I2S_CMD0, I2S_CMD1, FM_CMD, MAX_CMD };
+
+struct lbuspath {
+       unsigned char *noconv;
+       unsigned char *stereo;
+       unsigned char *mono;
+};
+
+struct cmdport {
+       u32 data1;              /* cmd,param */
+       u32 data2;              /* param */
+       u32 stat;               /* status */
+       u32 pad[5];
+};
+
+struct riptideport {
+       u32 audio_control;      /* status registers */
+       u32 audio_status;
+       u32 pad[2];
+       struct cmdport port[2]; /* command ports */
+};
+
+struct cmdif {
+       struct riptideport *hwport;
+       spinlock_t lock;
+       unsigned int cmdcnt;    /* cmd statistics */
+       unsigned int cmdtime;
+       unsigned int cmdtimemax;
+       unsigned int cmdtimemin;
+       unsigned int errcnt;
+       int is_reset;
+};
+
+struct riptide_firmware {
+       u16 ASIC;
+       u16 CODEC;
+       u16 AUXDSP;
+       u16 PROG;
+};
+
+union cmdret {
+       u8 retbytes[8];
+       u16 retwords[4];
+       u32 retlongs[2];
+};
+
+union firmware_version {
+       union cmdret ret;
+       struct riptide_firmware firmware;
+};
+
+#define get_pcmhwdev(substream) (struct pcmhw *)(substream->runtime->private_data)
+
+#define PLAYBACK_SUBSTREAMS 3
+struct snd_riptide {
+       struct snd_card *card;
+       struct pci_dev *pci;
+       const struct firmware *fw_entry;
+
+       struct cmdif *cif;
+
+       struct snd_pcm *pcm;
+       struct snd_pcm *pcm_i2s;
+       struct snd_rawmidi *rmidi;
+       struct snd_opl3 *opl3;
+       struct snd_ac97 *ac97;
+       struct snd_ac97_bus *ac97_bus;
+
+       struct snd_pcm_substream *playback_substream[PLAYBACK_SUBSTREAMS];
+       struct snd_pcm_substream *capture_substream;
+
+       int openstreams;
+
+       int irq;
+       unsigned long port;
+       unsigned short mpuaddr;
+       unsigned short opladdr;
+#ifdef SUPPORT_JOYSTICK
+       unsigned short gameaddr;
+#endif
+       struct resource *res_port;
+
+       unsigned short device_id;
+
+       union firmware_version firmware;
+
+       spinlock_t lock;
+       struct tasklet_struct riptide_tq;
+       struct snd_info_entry *proc_entry;
+
+       unsigned long received_irqs;
+       unsigned long handled_irqs;
+#ifdef CONFIG_PM
+       int in_suspend;
+#endif
+};
+
+struct sgd {                   /* scatter gather desriptor */
+       u32 dwNextLink;
+       u32 dwSegPtrPhys;
+       u32 dwSegLen;
+       u32 dwStat_Ctl;
+};
+
+struct pcmhw {                 /* pcm descriptor */
+       struct lbuspath paths;
+       unsigned char *lbuspath;
+       unsigned char source;
+       unsigned char intdec[2];
+       unsigned char mixer;
+       unsigned char id;
+       unsigned char state;
+       unsigned int rate;
+       unsigned int channels;
+       snd_pcm_format_t format;
+       struct snd_dma_buffer sgdlist;
+       struct sgd *sgdbuf;
+       unsigned int size;
+       unsigned int pages;
+       unsigned int oldpos;
+       unsigned int pointer;
+};
+
+#define CMDRET_ZERO (union cmdret){{(u32)0, (u32) 0}}
+
+static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
+                  union cmdret *ret);
+static int getsourcesink(struct cmdif *cif, unsigned char source,
+                        unsigned char sink, unsigned char *a,
+                        unsigned char *b);
+static int snd_riptide_initialize(struct snd_riptide *chip);
+static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip);
+
+/*
+ */
+
+static struct pci_device_id snd_riptide_ids[] = {
+       {
+        .vendor = 0x127a,.device = 0x4310,
+        .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
+        },
+       {
+        .vendor = 0x127a,.device = 0x4320,
+        .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
+        },
+       {
+        .vendor = 0x127a,.device = 0x4330,
+        .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
+        },
+       {
+        .vendor = 0x127a,.device = 0x4340,
+        .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
+        },
+       {0,},
+};
+
+#ifdef SUPPORT_JOYSTICK
+static struct pci_device_id snd_riptide_joystick_ids[] = {
+       {
+        .vendor = 0x127a,.device = 0x4312,
+        .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
+        },
+       {
+        .vendor = 0x127a,.device = 0x4322,
+        .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
+        },
+       {.vendor = 0x127a,.device = 0x4332,
+        .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
+        },
+       {.vendor = 0x127a,.device = 0x4342,
+        .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
+        },
+       {0,},
+};
+#endif
+
+MODULE_DEVICE_TABLE(pci, snd_riptide_ids);
+
+/*
+ */
+
+static unsigned char lbusin2out[E2SINK_MAX + 1][2] = {
+       {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
+                                                                    LS_NONE2},
+       {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
+                                                                    LS_NONE2},
+       {INTER0_OUT, LS_SRC_INTERPOLATOR}, {INTER1_OUT, LS_SRC_INTERPOLATOR},
+       {INTER2_OUT, LS_SRC_INTERPOLATOR}, {INTER3_OUT, LS_SRC_INTERPOLATOR},
+       {INTER4_OUT, LS_SRC_INTERPOLATOR}, {INTERM0_OUT, LS_SRC_INTERPOLATORM},
+       {INTERM1_OUT, LS_SRC_INTERPOLATORM}, {INTERM2_OUT,
+                                             LS_SRC_INTERPOLATORM},
+       {INTERM3_OUT, LS_SRC_INTERPOLATORM}, {INTERM4_OUT,
+                                             LS_SRC_INTERPOLATORM},
+       {INTERM5_OUT, LS_SRC_INTERPOLATORM}, {INTERM6_OUT,
+                                             LS_SRC_INTERPOLATORM},
+       {DECIMM0_OUT, LS_SRC_DECIMATORM}, {DECIMM1_OUT, LS_SRC_DECIMATORM},
+       {DECIMM2_OUT, LS_SRC_DECIMATORM}, {DECIMM3_OUT, LS_SRC_DECIMATORM},
+       {DECIM0_OUT, LS_SRC_DECIMATOR}, {SR3_4_OUT, LS_NONE1}, {NO_OUT,
+                                                               LS_NONE2},
+       {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1},
+       {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
+       {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
+       {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
+       {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
+       {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
+       {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
+       {GAINFUNC0_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC1_OUT,
+                                                 LS_MIXER_GAIN_FUNCTION},
+       {GAINFUNC2_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC3_OUT,
+                                                 LS_MIXER_GAIN_FUNCTION},
+       {GAINFUNC4_OUT, LS_MIXER_GAIN_FUNCTION}, {SOFTMODEMTX, LS_NONE1},
+       {SPLITTER0_OUTL, LS_SRC_SPLITTER}, {SPLITTER1_OUTL, LS_SRC_SPLITTER},
+       {SPLITTER2_OUTL, LS_SRC_SPLITTER}, {SPLITTER3_OUTL, LS_SRC_SPLITTER},
+       {MERGER0_OUT, LS_SRC_MERGER}, {MERGER0_OUT, LS_SRC_MERGER},
+       {MERGER1_OUT, LS_SRC_MERGER},
+       {MERGER1_OUT, LS_SRC_MERGER}, {MERGER2_OUT, LS_SRC_MERGER},
+       {MERGER2_OUT, LS_SRC_MERGER},
+       {MERGER3_OUT, LS_SRC_MERGER}, {MERGER3_OUT, LS_SRC_MERGER}, {NO_OUT,
+                                                                    LS_NONE2},
+};
+
+static unsigned char lbus_play_opl3[] = {
+       DIGITAL_MIXER_IN0 + FM_MIXER, 0xff
+};
+static unsigned char lbus_play_modem[] = {
+       DIGITAL_MIXER_IN0 + MODEM_MIXER, 0xff
+};
+static unsigned char lbus_play_i2s[] = {
+       INTER0_IN + I2S_INTDEC, DIGITAL_MIXER_IN0 + I2S_MIXER, 0xff
+};
+static unsigned char lbus_play_out[] = {
+       PDAC2ACLNK, 0xff
+};
+static unsigned char lbus_play_outhp[] = {
+       HNDSPK2ACLNK, 0xff
+};
+static unsigned char lbus_play_noconv1[] = {
+       DIGITAL_MIXER_IN0, 0xff
+};
+static unsigned char lbus_play_stereo1[] = {
+       INTER0_IN, DIGITAL_MIXER_IN0, 0xff
+};
+static unsigned char lbus_play_mono1[] = {
+       INTERM0_IN, DIGITAL_MIXER_IN0, 0xff
+};
+static unsigned char lbus_play_noconv2[] = {
+       DIGITAL_MIXER_IN1, 0xff
+};
+static unsigned char lbus_play_stereo2[] = {
+       INTER1_IN, DIGITAL_MIXER_IN1, 0xff
+};
+static unsigned char lbus_play_mono2[] = {
+       INTERM1_IN, DIGITAL_MIXER_IN1, 0xff
+};
+static unsigned char lbus_play_noconv3[] = {
+       DIGITAL_MIXER_IN2, 0xff
+};
+static unsigned char lbus_play_stereo3[] = {
+       INTER2_IN, DIGITAL_MIXER_IN2, 0xff
+};
+static unsigned char lbus_play_mono3[] = {
+       INTERM2_IN, DIGITAL_MIXER_IN2, 0xff
+};
+static unsigned char lbus_rec_noconv1[] = {
+       LBUS2ARM_FIFO5, 0xff
+};
+static unsigned char lbus_rec_stereo1[] = {
+       DECIM0_IN, LBUS2ARM_FIFO5, 0xff
+};
+static unsigned char lbus_rec_mono1[] = {
+       DECIMM3_IN, LBUS2ARM_FIFO5, 0xff
+};
+
+static unsigned char play_ids[] = { 4, 1, 2, };
+static unsigned char play_sources[] = {
+       ARM2LBUS_FIFO4, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2,
+};
+static struct lbuspath lbus_play_paths[] = {
+       {
+        .noconv = lbus_play_noconv1,
+        .stereo = lbus_play_stereo1,
+        .mono = lbus_play_mono1,
+        },
+       {
+        .noconv = lbus_play_noconv2,
+        .stereo = lbus_play_stereo2,
+        .mono = lbus_play_mono2,
+        },
+       {
+        .noconv = lbus_play_noconv3,
+        .stereo = lbus_play_stereo3,
+        .mono = lbus_play_mono3,
+        },
+};
+static struct lbuspath lbus_rec_path = {
+       .noconv = lbus_rec_noconv1,
+       .stereo = lbus_rec_stereo1,
+       .mono = lbus_rec_mono1,
+};
+
+#define FIRMWARE_VERSIONS 1
+static union firmware_version firmware_versions[] = {
+       {
+        .firmware.ASIC = 3,.firmware.CODEC = 2,
+        .firmware.AUXDSP = 3,.firmware.PROG = 773,
+        },
+};
+
+static u32 atoh(unsigned char *in, unsigned int len)
+{
+       u32 sum = 0;
+       unsigned int mult = 1;
+       unsigned char c;
+
+       while (len) {
+               c = in[len - 1];
+               if ((c >= '0') && (c <= '9'))
+                       sum += mult * (c - '0');
+               else if ((c >= 'A') && (c <= 'F'))
+                       sum += mult * (c - ('A' - 10));
+               else if ((c >= 'a') && (c <= 'f'))
+                       sum += mult * (c - ('a' - 10));
+               mult *= 16;
+               --len;
+       }
+       return sum;
+}
+
+static int senddata(struct cmdif *cif, unsigned char *in, u32 offset)
+{
+       u32 addr;
+       u32 data;
+       u32 i;
+       unsigned char *p;
+
+       i = atoh(&in[1], 2);
+       addr = offset + atoh(&in[3], 4);
+       if (SEND_SMEM(cif, 0, addr) != 0)
+               return -EACCES;
+       p = in + 9;
+       while (i) {
+               data = atoh(p, 8);
+               if (SEND_WMEM(cif, 2,
+                             ((data & 0x0f0f0f0f) << 4) | ((data & 0xf0f0f0f0)
+                                                           >> 4)))
+                       return -EACCES;
+               i -= 4;
+               p += 8;
+       }
+       return 0;
+}
+
+static int loadfirmware(struct cmdif *cif, unsigned char *img,
+                       unsigned int size)
+{
+       unsigned char *in;
+       u32 laddr, saddr, t, val;
+       int err = 0;
+
+       laddr = saddr = 0;
+       while (size > 0 && err == 0) {
+               in = img;
+               if (in[0] == ':') {
+                       t = atoh(&in[7], 2);
+                       switch (t) {
+                       case DATA_REC:
+                               err = senddata(cif, in, laddr + saddr);
+                               break;
+                       case EXT_SEG_ADDR_REC:
+                               saddr = atoh(&in[9], 4) << 4;
+                               break;
+                       case EXT_LIN_ADDR_REC:
+                               laddr = atoh(&in[9], 4) << 16;
+                               break;
+                       case EXT_GOTO_CMD_REC:
+                               val = atoh(&in[9], 8);
+                               if (SEND_GOTO(cif, val) != 0)
+                                       err = -EACCES;
+                               break;
+                       case EXT_END_OF_FILE:
+                               size = 0;
+                               break;
+                       default:
+                               break;
+                       }
+                       while (size > 0) {
+                               size--;
+                               if (*img++ == '\n')
+                                       break;
+                       }
+               }
+       }
+       snd_printdd("load firmware return %d\n", err);
+       return err;
+}
+
+static void
+alloclbuspath(struct cmdif *cif, unsigned char source,
+             unsigned char *path, unsigned char *mixer, unsigned char *s)
+{
+       while (*path != 0xff) {
+               unsigned char sink, type;
+
+               sink = *path & (~SPLIT_PATH);
+               if (sink != E2SINK_MAX) {
+                       snd_printdd("alloc path 0x%x->0x%x\n", source, sink);
+                       SEND_PSEL(cif, source, sink);
+                       source = lbusin2out[sink][0];
+                       type = lbusin2out[sink][1];
+                       if (type == LS_MIXER_IN) {
+                               if (mixer)
+                                       *mixer = sink - DIGITAL_MIXER_IN0;
+                       }
+                       if (type == LS_SRC_DECIMATORM ||
+                           type == LS_SRC_DECIMATOR ||
+                           type == LS_SRC_INTERPOLATORM ||
+                           type == LS_SRC_INTERPOLATOR) {
+                               if (s) {
+                                       if (s[0] != 0xff)
+                                               s[1] = sink;
+                                       else
+                                               s[0] = sink;
+                               }
+                       }
+               }
+               if (*path++ & SPLIT_PATH) {
+                       unsigned char *npath = path;
+
+                       while (*npath != 0xff)
+                               npath++;
+                       alloclbuspath(cif, source + 1, ++npath, mixer, s);
+               }
+       }
+}
+
+static void
+freelbuspath(struct cmdif *cif, unsigned char source, unsigned char *path)
+{
+       while (*path != 0xff) {
+               unsigned char sink;
+
+               sink = *path & (~SPLIT_PATH);
+               if (sink != E2SINK_MAX) {
+                       snd_printdd("free path 0x%x->0x%x\n", source, sink);
+                       SEND_PCLR(cif, source, sink);
+                       source = lbusin2out[sink][0];
+               }
+               if (*path++ & SPLIT_PATH) {
+                       unsigned char *npath = path;
+
+                       while (*npath != 0xff)
+                               npath++;
+                       freelbuspath(cif, source + 1, ++npath);
+               }
+       }
+}
+
+static int writearm(struct cmdif *cif, u32 addr, u32 data, u32 mask)
+{
+       union cmdret rptr = CMDRET_ZERO;
+       unsigned int i = MAX_WRITE_RETRY;
+       int flag = 1;
+
+       SEND_RMEM(cif, 0x02, addr, &rptr);
+       rptr.retlongs[0] &= (~mask);
+
+       while (--i) {
+               SEND_SMEM(cif, 0x01, addr);
+               SEND_WMEM(cif, 0x02, (rptr.retlongs[0] | data));
+               SEND_RMEM(cif, 0x02, addr, &rptr);
+               if ((rptr.retlongs[0] & data) == data) {
+                       flag = 0;
+                       break;
+               } else
+                       rptr.retlongs[0] &= ~mask;
+       }
+       snd_printdd("send arm 0x%x 0x%x 0x%x return %d\n", addr, data, mask,
+                   flag);
+       return flag;
+}
+
+static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
+                  union cmdret *ret)
+{
+       int i, j;
+       int err;
+       unsigned int time = 0;
+       unsigned long irqflags;
+       struct riptideport *hwport;
+       struct cmdport *cmdport = NULL;
+
+       snd_assert(cif, return -EINVAL);
+
+       hwport = cif->hwport;
+       if (cif->errcnt > MAX_ERROR_COUNT) {
+               if (cif->is_reset) {
+                       snd_printk(KERN_ERR
+                                  "Riptide: Too many failed cmds, reinitializing\n");
+                       if (riptide_reset(cif, NULL) == 0) {
+                               cif->errcnt = 0;
+                               return -EIO;
+                       }
+               }
+               snd_printk(KERN_ERR "Riptide: Initialization failed.\n");
+               return -EINVAL;
+       }
+       if (ret) {
+               ret->retlongs[0] = 0;
+               ret->retlongs[1] = 0;
+       }
+       i = 0;
+       spin_lock_irqsave(&cif->lock, irqflags);
+       while (i++ < CMDIF_TIMEOUT && !IS_READY(cif->hwport))
+               udelay(10);
+       if (i >= CMDIF_TIMEOUT) {
+               err = -EBUSY;
+               goto errout;
+       }
+
+       err = 0;
+       for (j = 0, time = 0; time < CMDIF_TIMEOUT; j++, time += 2) {
+               cmdport = &(hwport->port[j % 2]);
+               if (IS_DATF(cmdport)) { /* free pending data */
+                       READ_PORT_ULONG(cmdport->data1);
+                       READ_PORT_ULONG(cmdport->data2);
+               }
+               if (IS_CMDE(cmdport)) {
+                       if (flags & PARM)       /* put data */
+                               WRITE_PORT_ULONG(cmdport->data2, parm);
+                       WRITE_PORT_ULONG(cmdport->data1, cmd);  /* write cmd */
+                       if ((flags & RESP) && ret) {
+                               while (!IS_DATF(cmdport) &&
+                                      time++ < CMDIF_TIMEOUT)
+                                       udelay(10);
+                               if (time < CMDIF_TIMEOUT) {     /* read response */
+                                       ret->retlongs[0] =
+                                           READ_PORT_ULONG(cmdport->data1);
+                                       ret->retlongs[1] =
+                                           READ_PORT_ULONG(cmdport->data2);
+                               } else {
+                                       err = -ENOSYS;
+                                       goto errout;
+                               }
+                       }
+                       break;
+               }
+               udelay(20);
+       }
+       if (time == CMDIF_TIMEOUT) {
+               err = -ENODATA;
+               goto errout;
+       }
+       spin_unlock_irqrestore(&cif->lock, irqflags);
+
+       cif->cmdcnt++;          /* update command statistics */
+       cif->cmdtime += time;
+       if (time > cif->cmdtimemax)
+               cif->cmdtimemax = time;
+       if (time < cif->cmdtimemin)
+               cif->cmdtimemin = time;
+       if ((cif->cmdcnt) % 1000 == 0)
+               snd_printdd
+                   ("send cmd %d time: %d mintime: %d maxtime %d err: %d\n",
+                    cif->cmdcnt, cif->cmdtime, cif->cmdtimemin,
+                    cif->cmdtimemax, cif->errcnt);
+       return 0;
+
+      errout:
+       cif->errcnt++;
+       spin_unlock_irqrestore(&cif->lock, irqflags);
+       snd_printdd
+           ("send cmd %d hw: 0x%x flag: 0x%x cmd: 0x%x parm: 0x%x ret: 0x%x 0x%x CMDE: %d DATF: %d failed %d\n",
+            cif->cmdcnt, (int)((void *)&(cmdport->stat) - (void *)hwport),
+            flags, cmd, parm, ret ? ret->retlongs[0] : 0,
+            ret ? ret->retlongs[1] : 0, IS_CMDE(cmdport), IS_DATF(cmdport),
+            err);
+       return err;
+}
+
+static int
+setmixer(struct cmdif *cif, short num, unsigned short rval, unsigned short lval)
+{
+       union cmdret rptr = CMDRET_ZERO;
+       int i = 0;
+
+       snd_printdd("sent mixer %d: 0x%d 0x%d\n", num, rval, lval);
+       do {
+               SEND_SDGV(cif, num, num, rval, lval);
+               SEND_RDGV(cif, num, num, &rptr);
+               if (rptr.retwords[0] == lval && rptr.retwords[1] == rval)
+                       return 0;
+       } while (i++ < MAX_WRITE_RETRY);
+       snd_printdd("sent mixer failed\n");
+       return -EIO;
+}
+
+static int getpaths(struct cmdif *cif, unsigned char *o)
+{
+       unsigned char src[E2SINK_MAX];
+       unsigned char sink[E2SINK_MAX];
+       int i, j = 0;
+
+       for (i = 0; i < E2SINK_MAX; i++) {
+               getsourcesink(cif, i, i, &src[i], &sink[i]);
+               if (sink[i] < E2SINK_MAX) {
+                       o[j++] = sink[i];
+                       o[j++] = i;
+               }
+       }
+       return j;
+}
+
+static int
+getsourcesink(struct cmdif *cif, unsigned char source, unsigned char sink,
+             unsigned char *a, unsigned char *b)
+{
+       union cmdret rptr = CMDRET_ZERO;
+
+       if (SEND_RSSV(cif, source, sink, &rptr) &&
+           SEND_RSSV(cif, source, sink, &rptr))
+               return -EIO;
+       *a = rptr.retbytes[0];
+       *b = rptr.retbytes[1];
+       snd_printdd("getsourcesink 0x%x 0x%x\n", *a, *b);
+       return 0;
+}
+
+static int
+getsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int *rate)
+{
+       unsigned char *s;
+       unsigned int p[2] = { 0, 0 };
+       int i;
+       union cmdret rptr = CMDRET_ZERO;
+
+       s = intdec;
+       for (i = 0; i < 2; i++) {
+               if (*s != 0xff) {
+                       if (SEND_RSRC(cif, *s, &rptr) &&
+                           SEND_RSRC(cif, *s, &rptr))
+                               return -EIO;
+                       p[i] += rptr.retwords[1];
+                       p[i] *= rptr.retwords[2];
+                       p[i] += rptr.retwords[3];
+                       p[i] /= 65536;
+               }
+               s++;
+       }
+       if (p[0]) {
+               if (p[1] != p[0])
+                       snd_printdd("rates differ %d %d\n", p[0], p[1]);
+               *rate = (unsigned int)p[0];
+       } else
+               *rate = (unsigned int)p[1];
+       snd_printdd("getsampleformat %d %d %d\n", intdec[0], intdec[1], *rate);
+       return 0;
+}
+
+static int
+setsampleformat(struct cmdif *cif,
+               unsigned char mixer, unsigned char id,
+               unsigned char channels, unsigned char format)
+{
+       unsigned char w, ch, sig, order;
+
+       snd_printdd
+           ("setsampleformat mixer: %d id: %d channels: %d format: %d\n",
+            mixer, id, channels, format);
+       ch = channels == 1;
+       w = snd_pcm_format_width(format) == 8;
+       sig = snd_pcm_format_unsigned(format) != 0;
+       order = snd_pcm_format_big_endian(format) != 0;
+
+       if (SEND_SETF(cif, mixer, w, ch, order, sig, id) &&
+           SEND_SETF(cif, mixer, w, ch, order, sig, id)) {
+               snd_printdd("setsampleformat failed\n");
+               return -EIO;
+       }
+       return 0;
+}
+
+static int
+setsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int rate)
+{
+       u32 D, M, N;
+       union cmdret rptr = CMDRET_ZERO;
+       int i;
+
+       snd_printdd("setsamplerate intdec: %d,%d rate: %d\n", intdec[0],
+                   intdec[1], rate);
+       D = 48000;
+       M = ((rate == 48000) ? 47999 : rate) * 65536;
+       N = M % D;
+       M /= D;
+       for (i = 0; i < 2; i++) {
+               if (*intdec != 0xff) {
+                       do {
+                               SEND_SSRC(cif, *intdec, D, M, N);
+                               SEND_RSRC(cif, *intdec, &rptr);
+                       } while (rptr.retwords[1] != D &&
+                                rptr.retwords[2] != M &&
+                                rptr.retwords[3] != N &&
+                                i++ < MAX_WRITE_RETRY);
+                       if (i == MAX_WRITE_RETRY) {
+                               snd_printdd("sent samplerate %d: %d failed\n",
+                                           *intdec, rate);
+                               return -EIO;
+                       }
+               }
+               intdec++;
+       }
+       return 0;
+}
+
+static int
+getmixer(struct cmdif *cif, short num, unsigned short *rval,
+        unsigned short *lval)
+{
+       union cmdret rptr = CMDRET_ZERO;
+
+       if (SEND_RDGV(cif, num, num, &rptr) && SEND_RDGV(cif, num, num, &rptr))
+               return -EIO;
+       *rval = rptr.retwords[0];
+       *lval = rptr.retwords[1];
+       snd_printdd("got mixer %d: 0x%d 0x%d\n", num, *rval, *lval);
+       return 0;
+}
+
+static void riptide_handleirq(unsigned long dev_id)
+{
+       struct snd_riptide *chip = (void *)dev_id;
+       struct cmdif *cif = chip->cif;
+       struct snd_pcm_substream *substream[PLAYBACK_SUBSTREAMS + 1];
+       struct snd_pcm_runtime *runtime;
+       struct pcmhw *data = NULL;
+       unsigned int pos, period_bytes;
+       struct sgd *c;
+       int i, j;
+       unsigned int flag;
+
+       if (!cif)
+               return;
+
+       for (i = 0; i < PLAYBACK_SUBSTREAMS; i++)
+               substream[i] = chip->playback_substream[i];
+       substream[i] = chip->capture_substream;
+       for (i = 0; i < PLAYBACK_SUBSTREAMS + 1; i++) {
+               if (substream[i] &&
+                   (runtime = substream[i]->runtime) &&
+                   (data = runtime->private_data) && data->state != ST_STOP) {
+                       pos = 0;
+                       for (j = 0; j < data->pages; j++) {
+                               c = &data->sgdbuf[j];
+                               flag = le32_to_cpu(c->dwStat_Ctl);
+                               if (flag & EOB_STATUS)
+                                       pos += le32_to_cpu(c->dwSegLen);
+                               if (flag & EOC_STATUS)
+                                       pos += le32_to_cpu(c->dwSegLen);
+                               if ((flag & EOS_STATUS)
+                                   && (data->state == ST_PLAY)) {
+                                       data->state = ST_STOP;
+                                       snd_printk(KERN_ERR
+                                                  "Riptide: DMA stopped unexpectedly\n");
+                               }
+                               c->dwStat_Ctl =
+                                   cpu_to_le32(flag &
+                                               ~(EOS_STATUS | EOB_STATUS |
+                                                 EOC_STATUS));
+                       }
+                       data->pointer += pos;
+                       pos += data->oldpos;
+                       if (data->state != ST_STOP) {
+                               period_bytes =
+                                   frames_to_bytes(runtime,
+                                                   runtime->period_size);
+                               snd_printdd
+                                   ("interrupt 0x%x after 0x%lx of 0x%lx frames in period\n",
+                                    READ_AUDIO_STATUS(cif->hwport),
+                                    bytes_to_frames(runtime, pos),
+                                    runtime->period_size);
+                               j = 0;
+                               if (pos >= period_bytes) {
+                                       j++;
+                                       while (pos >= period_bytes)
+                                               pos -= period_bytes;
+                               }
+                               data->oldpos = pos;
+                               if (j > 0)
+                                       snd_pcm_period_elapsed(substream[i]);
+                       }
+               }
+       }
+}
+
+#ifdef CONFIG_PM
+static int riptide_suspend(struct pci_dev *pci, pm_message_t state)
+{
+       struct snd_card *card = pci_get_drvdata(pci);
+       struct snd_riptide *chip = card->private_data;
+
+       chip->in_suspend = 1;
+       snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
+       snd_pcm_suspend_all(chip->pcm);
+       snd_ac97_suspend(chip->ac97);
+       pci_set_power_state(pci, PCI_D3hot);
+       pci_disable_device(pci);
+       pci_save_state(pci);
+       return 0;
+}
+
+static int riptide_resume(struct pci_dev *pci)
+{
+       struct snd_card *card = pci_get_drvdata(pci);
+       struct snd_riptide *chip = card->private_data;
+
+       pci_restore_state(pci);
+       pci_enable_device(pci);
+       pci_set_power_state(pci, PCI_D0);
+       pci_set_master(pci);
+       snd_riptide_initialize(chip);
+       snd_ac97_resume(chip->ac97);
+       snd_power_change_state(card, SNDRV_CTL_POWER_D0);
+       chip->in_suspend = 0;
+       return 0;
+}
+#endif
+
+static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip)
+{
+       int timeout, tries;
+       union cmdret rptr = CMDRET_ZERO;
+       union firmware_version firmware;
+       int i, j, err, has_firmware;
+
+       if (!cif)
+               return -EINVAL;
+
+       cif->cmdcnt = 0;
+       cif->cmdtime = 0;
+       cif->cmdtimemax = 0;
+       cif->cmdtimemin = 0xffffffff;
+       cif->errcnt = 0;
+       cif->is_reset = 0;
+
+       tries = RESET_TRIES;
+       has_firmware = 0;
+       while (has_firmware == 0 && tries-- > 0) {
+               for (i = 0; i < 2; i++) {
+                       WRITE_PORT_ULONG(cif->hwport->port[i].data1, 0);
+                       WRITE_PORT_ULONG(cif->hwport->port[i].data2, 0);
+               }
+               SET_GRESET(cif->hwport);
+               udelay(100);
+               UNSET_GRESET(cif->hwport);
+               udelay(100);
+
+               for (timeout = 100000; --timeout; udelay(10)) {
+                       if (IS_READY(cif->hwport) && !IS_GERR(cif->hwport))
+                               break;
+               }
+               if (timeout == 0) {
+                       snd_printk(KERN_ERR
+                                  "Riptide: device not ready, audio status: 0x%x ready: %d gerr: %d\n",
+                                  READ_AUDIO_STATUS(cif->hwport),
+                                  IS_READY(cif->hwport), IS_GERR(cif->hwport));
+                       return -EIO;
+               } else {
+                       snd_printdd
+                           ("Riptide: audio status: 0x%x ready: %d gerr: %d\n",
+                            READ_AUDIO_STATUS(cif->hwport),
+                            IS_READY(cif->hwport), IS_GERR(cif->hwport));
+               }
+
+               SEND_GETV(cif, &rptr);
+               for (i = 0; i < 4; i++)
+                       firmware.ret.retwords[i] = rptr.retwords[i];
+
+               snd_printdd
+                   ("Firmware version: ASIC: %d CODEC %d AUXDSP %d PROG %d\n",
+                    firmware.firmware.ASIC, firmware.firmware.CODEC,
+                    firmware.firmware.AUXDSP, firmware.firmware.PROG);
+
+               for (j = 0; j < FIRMWARE_VERSIONS; j++) {
+                       has_firmware = 1;
+                       for (i = 0; i < 4; i++) {
+                               if (firmware_versions[j].ret.retwords[i] !=
+                                   firmware.ret.retwords[i])
+                                       has_firmware = 0;
+                       }
+                       if (has_firmware)
+                               break;
+               }
+
+               if (chip != NULL && has_firmware == 0) {
+                       snd_printdd("Writing Firmware\n");
+                       if (!chip->fw_entry) {
+                               if ((err =
+                                    request_firmware(&chip->fw_entry,
+                                                     "riptide.hex",
+                                                     &chip->pci->dev)) != 0) {
+                                       snd_printk(KERN_ERR
+                                                  "Riptide: Firmware not available %d\n",
+                                                  err);
+                                       return -EIO;
+                               }
+                       }
+                       err = loadfirmware(cif, chip->fw_entry->data,
+                                          chip->fw_entry->size);
+                       if (err)
+                               snd_printk(KERN_ERR
+                                          "Riptide: Could not load firmware %d\n",
+                                          err);
+               }
+       }
+
+       SEND_SACR(cif, 0, AC97_RESET);
+       SEND_RACR(cif, AC97_RESET, &rptr);
+       snd_printdd("AC97: 0x%x 0x%x\n", rptr.retlongs[0], rptr.retlongs[1]);
+
+       SEND_PLST(cif, 0);
+       SEND_SLST(cif, 0);
+       SEND_DLST(cif, 0);
+       SEND_ALST(cif, 0);
+       SEND_KDMA(cif);
+
+       writearm(cif, 0x301F8, 1, 1);
+       writearm(cif, 0x301F4, 1, 1);
+
+       SEND_LSEL(cif, MODEM_CMD, 0, 0, MODEM_INTDEC, MODEM_MERGER,
+                 MODEM_SPLITTER, MODEM_MIXER);
+       setmixer(cif, MODEM_MIXER, 0x7fff, 0x7fff);
+       alloclbuspath(cif, ARM2LBUS_FIFO13, lbus_play_modem, NULL, NULL);
+
+       SEND_LSEL(cif, FM_CMD, 0, 0, FM_INTDEC, FM_MERGER, FM_SPLITTER,
+                 FM_MIXER);
+       setmixer(cif, FM_MIXER, 0x7fff, 0x7fff);
+       writearm(cif, 0x30648 + FM_MIXER * 4, 0x01, 0x00000005);
+       writearm(cif, 0x301A8, 0x02, 0x00000002);
+       writearm(cif, 0x30264, 0x08, 0xffffffff);
+       alloclbuspath(cif, OPL3_SAMPLE, lbus_play_opl3, NULL, NULL);
+
+       SEND_SSRC(cif, I2S_INTDEC, 48000,
+                 ((u32) I2S_RATE * 65536) / 48000,
+                 ((u32) I2S_RATE * 65536) % 48000);
+       SEND_LSEL(cif, I2S_CMD0, 0, 0, I2S_INTDEC, I2S_MERGER, I2S_SPLITTER,
+                 I2S_MIXER);
+       SEND_SI2S(cif, 1);
+       alloclbuspath(cif, ARM2LBUS_FIFO0, lbus_play_i2s, NULL, NULL);
+       alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_out, NULL, NULL);
+       alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_outhp, NULL, NULL);
+
+       SET_AIACK(cif->hwport);
+       SET_AIE(cif->hwport);
+       SET_AIACK(cif->hwport);
+       cif->is_reset = 1;
+       if (chip) {
+               for (i = 0; i < 4; i++)
+                       chip->firmware.ret.retwords[i] =
+                           firmware.ret.retwords[i];
+       }
+
+       return 0;
+}
+
+static struct snd_pcm_hardware snd_riptide_playback = {
+       .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
+                SNDRV_PCM_INFO_BLOCK_TRANSFER |
+                SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
+       .formats =
+           SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
+           | SNDRV_PCM_FMTBIT_U16_LE,
+       .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
+       .rate_min = 5500,
+       .rate_max = 48000,
+       .channels_min = 1,
+       .channels_max = 2,
+       .buffer_bytes_max = (64 * 1024),
+       .period_bytes_min = PAGE_SIZE >> 1,
+       .period_bytes_max = PAGE_SIZE << 8,
+       .periods_min = 2,
+       .periods_max = 64,
+       .fifo_size = 0,
+};
+static struct snd_pcm_hardware snd_riptide_capture = {
+       .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
+                SNDRV_PCM_INFO_BLOCK_TRANSFER |
+                SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
+       .formats =
+           SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
+           | SNDRV_PCM_FMTBIT_U16_LE,
+       .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
+       .rate_min = 5500,
+       .rate_max = 48000,
+       .channels_min = 1,
+       .channels_max = 2,
+       .buffer_bytes_max = (64 * 1024),
+       .period_bytes_min = PAGE_SIZE >> 1,
+       .period_bytes_max = PAGE_SIZE << 3,
+       .periods_min = 2,
+       .periods_max = 64,
+       .fifo_size = 0,
+};
+
+static snd_pcm_uframes_t snd_riptide_pointer(struct snd_pcm_substream
+                                            *substream)
+{
+       struct snd_riptide *chip = snd_pcm_substream_chip(substream);
+       struct snd_pcm_runtime *runtime = substream->runtime;
+       struct pcmhw *data = get_pcmhwdev(substream);
+       struct cmdif *cif = chip->cif;
+       union cmdret rptr = CMDRET_ZERO;
+       snd_pcm_uframes_t ret;
+
+       SEND_GPOS(cif, 0, data->id, &rptr);
+       if (data->size && runtime->period_size) {
+               snd_printdd
+                   ("pointer stream %d position 0x%x(0x%x in buffer) bytes 0x%lx(0x%lx in period) frames\n",
+                    data->id, rptr.retlongs[1], rptr.retlongs[1] % data->size,
+                    bytes_to_frames(runtime, rptr.retlongs[1]),
+                    bytes_to_frames(runtime,
+                                    rptr.retlongs[1]) % runtime->period_size);
+               if (rptr.retlongs[1] > data->pointer)
+                       ret =
+                           bytes_to_frames(runtime,
+                                           rptr.retlongs[1] % data->size);
+               else
+                       ret =
+                           bytes_to_frames(runtime,
+                                           data->pointer % data->size);
+       } else {
+               snd_printdd("stream not started or strange parms (%d %ld)\n",
+                           data->size, runtime->period_size);
+               ret = bytes_to_frames(runtime, 0);
+       }
+       return ret;
+}
+
+static int snd_riptide_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+       int i, j;
+       struct snd_riptide *chip = snd_pcm_substream_chip(substream);
+       struct pcmhw *data = get_pcmhwdev(substream);
+       struct cmdif *cif = chip->cif;
+       union cmdret rptr = CMDRET_ZERO;
+
+       spin_lock(&chip->lock);
+       switch (cmd) {
+       case SNDRV_PCM_TRIGGER_START:
+       case SNDRV_PCM_TRIGGER_RESUME:
+               if (!(data->state & ST_PLAY)) {
+                       SEND_SSTR(cif, data->id, data->sgdlist.addr);
+                       SET_AIE(cif->hwport);
+                       data->state = ST_PLAY;
+                       if (data->mixer != 0xff)
+                               setmixer(cif, data->mixer, 0x7fff, 0x7fff);
+                       chip->openstreams++;
+                       data->oldpos = 0;
+                       data->pointer = 0;
+               }
+               break;
+       case SNDRV_PCM_TRIGGER_STOP:
+       case SNDRV_PCM_TRIGGER_SUSPEND:
+               if (data->mixer != 0xff)
+                       setmixer(cif, data->mixer, 0, 0);
+               setmixer(cif, data->mixer, 0, 0);
+               SEND_KSTR(cif, data->id);
+               data->state = ST_STOP;
+               chip->openstreams--;
+               j = 0;
+               do {
+                       i = rptr.retlongs[1];
+                       SEND_GPOS(cif, 0, data->id, &rptr);
+                       udelay(1);
+               } while (i != rptr.retlongs[1] && j++ < MAX_WRITE_RETRY);
+               if (j >= MAX_WRITE_RETRY)
+                       snd_printk(KERN_ERR "Riptide: Could not stop stream!");
+               break;
+       case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+               if (!(data->state & ST_PAUSE)) {
+                       SEND_PSTR(cif, data->id);
+                       data->state |= ST_PAUSE;
+                       chip->openstreams--;
+               }
+               break;
+       case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+               if (data->state & ST_PAUSE) {
+                       SEND_SSTR(cif, data->id, data->sgdlist.addr);
+                       data->state &= ~ST_PAUSE;
+                       chip->openstreams++;
+               }
+               break;
+       default:
+               spin_unlock(&chip->lock);
+               return -EINVAL;
+       }
+       spin_unlock(&chip->lock);
+       return 0;
+}
+
+static int snd_riptide_prepare(struct snd_pcm_substream *substream)
+{
+       struct snd_riptide *chip = snd_pcm_substream_chip(substream);
+       struct snd_pcm_runtime *runtime = substream->runtime;
+       struct snd_sg_buf *sgbuf = snd_pcm_substream_sgbuf(substream);
+       struct pcmhw *data = get_pcmhwdev(substream);
+       struct cmdif *cif = chip->cif;
+       unsigned char *lbuspath = NULL;
+       unsigned int rate, channels;
+       int err = 0;
+       snd_pcm_format_t format;
+
+       snd_assert(cif && data, return -EINVAL);
+
+       snd_printdd("prepare id %d ch: %d f:0x%x r:%d\n", data->id,
+                   runtime->channels, runtime->format, runtime->rate);
+
+       spin_lock_irq(&chip->lock);
+       channels = runtime->channels;
+       format = runtime->format;
+       rate = runtime->rate;
+       switch (channels) {
+       case 1:
+               if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
+                       lbuspath = data->paths.noconv;
+               else
+                       lbuspath = data->paths.mono;
+               break;
+       case 2:
+               if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
+                       lbuspath = data->paths.noconv;
+               else
+                       lbuspath = data->paths.stereo;
+               break;
+       }
+       snd_printdd("use sgdlist at 0x%p and buffer at 0x%p\n",
+                   data->sgdlist.area, sgbuf);
+       if (data->sgdlist.area && sgbuf) {
+               unsigned int i, j, size, pages, f, pt, period;
+               struct sgd *c, *p = NULL;
+
+               size = frames_to_bytes(runtime, runtime->buffer_size);
+               period = frames_to_bytes(runtime, runtime->period_size);
+               f = PAGE_SIZE;
+               while ((size + (f >> 1) - 1) <= (f << 7) && (f << 1) > period)
+                       f = f >> 1;
+               pages = (size + f - 1) / f;
+               data->size = size;
+               data->pages = pages;
+               snd_printdd
+                   ("create sgd size: 0x%x pages %d of size 0x%x for period 0x%x\n",
+                    size, pages, f, period);
+               pt = 0;
+               j = 0;
+               for (i = 0; i < pages; i++) {
+                       c = &data->sgdbuf[i];
+                       if (p)
+                               p->dwNextLink = cpu_to_le32(data->sgdlist.addr +
+                                                           (i *
+                                                            sizeof(struct
+                                                                   sgd)));
+                       c->dwNextLink = cpu_to_le32(data->sgdlist.addr);
+                       c->dwSegPtrPhys =
+                           cpu_to_le32(sgbuf->table[j].addr + pt);
+                       pt = (pt + f) % PAGE_SIZE;
+                       if (pt == 0)
+                               j++;
+                       c->dwSegLen = cpu_to_le32(f);
+                       c->dwStat_Ctl =
+                           cpu_to_le32(IEOB_ENABLE | IEOS_ENABLE |
+                                       IEOC_ENABLE);
+                       p = c;
+                       size -= f;
+               }
+               data->sgdbuf[i].dwSegLen = cpu_to_le32(size);
+       }
+       if (lbuspath && lbuspath != data->lbuspath) {
+               if (data->lbuspath)
+                       freelbuspath(cif, data->source, data->lbuspath);
+               alloclbuspath(cif, data->source, lbuspath,
+                             &data->mixer, data->intdec);
+               data->lbuspath = lbuspath;
+               data->rate = 0;
+       }
+       if (data->rate != rate || data->format != format ||
+           data->channels != channels) {
+               data->rate = rate;
+               data->format = format;
+               data->channels = channels;
+               if (setsampleformat
+                   (cif, data->mixer, data->id, channels, format)
+                   || setsamplerate(cif, data->intdec, rate))
+                       err = -EIO;
+       }
+       spin_unlock_irq(&chip->lock);
+       return err;
+}
+
+static int
+snd_riptide_hw_params(struct snd_pcm_substream *substream,
+                     struct snd_pcm_hw_params *hw_params)
+{
+       struct snd_riptide *chip = snd_pcm_substream_chip(substream);
+       struct pcmhw *data = get_pcmhwdev(substream);
+       struct snd_dma_buffer *sgdlist = &data->sgdlist;
+       int err;
+
+       snd_printdd("hw params id %d (sgdlist: 0x%p 0x%lx %d)\n", data->id,
+                   sgdlist->area, (unsigned long)sgdlist->addr,
+                   (int)sgdlist->bytes);
+       if (sgdlist->area)
+               snd_dma_free_pages(sgdlist);
+       if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
+                                      snd_dma_pci_data(chip->pci),
+                                      sizeof(struct sgd) * (DESC_MAX_MASK + 1),
+                                      sgdlist)) < 0) {
+               snd_printk(KERN_ERR "Riptide: failed to alloc %d dma bytes\n",
+                          (int)sizeof(struct sgd) * (DESC_MAX_MASK + 1));
+               return err;
+       }
+       data->sgdbuf = (struct sgd *)sgdlist->area;
+       return snd_pcm_lib_malloc_pages(substream,
+                                       params_buffer_bytes(hw_params));
+}
+
+static int snd_riptide_hw_free(struct snd_pcm_substream *substream)
+{
+       struct snd_riptide *chip = snd_pcm_substream_chip(substream);
+       struct pcmhw *data = get_pcmhwdev(substream);
+       struct cmdif *cif = chip->cif;
+
+       if (cif && data) {
+               if (data->lbuspath)
+                       freelbuspath(cif, data->source, data->lbuspath);
+               data->lbuspath = NULL;
+               data->source = 0xff;
+               data->intdec[0] = 0xff;
+               data->intdec[1] = 0xff;
+
+               if (data->sgdlist.area) {
+                       snd_dma_free_pages(&data->sgdlist);
+                       data->sgdlist.area = NULL;
+               }
+       }
+       return snd_pcm_lib_free_pages(substream);
+}
+
+static int snd_riptide_playback_open(struct snd_pcm_substream *substream)
+{
+       struct snd_riptide *chip = snd_pcm_substream_chip(substream);
+       struct snd_pcm_runtime *runtime = substream->runtime;
+       struct pcmhw *data;
+       int index = substream->number;
+
+       chip->playback_substream[index] = substream;
+       runtime->hw = snd_riptide_playback;
+       data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
+       data->paths = lbus_play_paths[index];
+       data->id = play_ids[index];
+       data->source = play_sources[index];
+       data->intdec[0] = 0xff;
+       data->intdec[1] = 0xff;
+       data->state = ST_STOP;
+       runtime->private_data = data;
+       return snd_pcm_hw_constraint_integer(runtime,
+                                            SNDRV_PCM_HW_PARAM_PERIODS);
+}
+
+static int snd_riptide_capture_open(struct snd_pcm_substream *substream)
+{
+       struct snd_riptide *chip = snd_pcm_substream_chip(substream);
+       struct snd_pcm_runtime *runtime = substream->runtime;
+       struct pcmhw *data;
+
+       chip->capture_substream = substream;
+       runtime->hw = snd_riptide_capture;
+       data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
+       data->paths = lbus_rec_path;
+       data->id = PADC;
+       data->source = ACLNK2PADC;
+       data->intdec[0] = 0xff;
+       data->intdec[1] = 0xff;
+       data->state = ST_STOP;
+       runtime->private_data = data;
+       return snd_pcm_hw_constraint_integer(runtime,
+                                            SNDRV_PCM_HW_PARAM_PERIODS);
+}
+
+static int snd_riptide_playback_close(struct snd_pcm_substream *substream)
+{
+       struct snd_riptide *chip = snd_pcm_substream_chip(substream);
+       struct pcmhw *data = get_pcmhwdev(substream);
+       int index = substream->number;
+
+       substream->runtime->private_data = NULL;
+       chip->playback_substream[index] = NULL;
+       kfree(data);
+       return 0;
+}
+
+static int snd_riptide_capture_close(struct snd_pcm_substream *substream)
+{
+       struct snd_riptide *chip = snd_pcm_substream_chip(substream);
+       struct pcmhw *data = get_pcmhwdev(substream);
+
+       substream->runtime->private_data = NULL;
+       chip->capture_substream = NULL;
+       kfree(data);
+       return 0;
+}
+
+static struct snd_pcm_ops snd_riptide_playback_ops = {
+       .open = snd_riptide_playback_open,
+       .close = snd_riptide_playback_close,
+       .ioctl = snd_pcm_lib_ioctl,
+       .hw_params = snd_riptide_hw_params,
+       .hw_free = snd_riptide_hw_free,
+       .prepare = snd_riptide_prepare,
+       .page = snd_pcm_sgbuf_ops_page,
+       .trigger = snd_riptide_trigger,
+       .pointer = snd_riptide_pointer,
+};
+static struct snd_pcm_ops snd_riptide_capture_ops = {
+       .open = snd_riptide_capture_open,
+       .close = snd_riptide_capture_close,
+       .ioctl = snd_pcm_lib_ioctl,
+       .hw_params = snd_riptide_hw_params,
+       .hw_free = snd_riptide_hw_free,
+       .prepare = snd_riptide_prepare,
+       .page = snd_pcm_sgbuf_ops_page,
+       .trigger = snd_riptide_trigger,
+       .pointer = snd_riptide_pointer,
+};
+
+static int __devinit
+snd_riptide_pcm(struct snd_riptide *chip, int device, struct snd_pcm **rpcm)
+{
+       struct snd_pcm *pcm;
+       int err;
+
+       if (rpcm)
+               *rpcm = NULL;
+       if ((err =
+            snd_pcm_new(chip->card, "RIPTIDE", device, PLAYBACK_SUBSTREAMS, 1,
+                        &pcm)) < 0)
+               return err;
+       snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
+                       &snd_riptide_playback_ops);
+       snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
+                       &snd_riptide_capture_ops);
+       pcm->private_data = chip;
+       pcm->info_flags = 0;
+       strcpy(pcm->name, "RIPTIDE");
+       chip->pcm = pcm;
+       snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
+                                             snd_dma_pci_data(chip->pci),
+                                             64 * 1024, 128 * 1024);
+       if (rpcm)
+               *rpcm = pcm;
+       return 0;
+}
+
+static irqreturn_t
+snd_riptide_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+{
+       struct snd_riptide *chip = dev_id;
+       struct cmdif *cif = chip->cif;
+
+       if (cif) {
+               chip->received_irqs++;
+               if (IS_EOBIRQ(cif->hwport) || IS_EOSIRQ(cif->hwport) ||
+                   IS_EOCIRQ(cif->hwport)) {
+                       chip->handled_irqs++;
+                       tasklet_hi_schedule(&chip->riptide_tq);
+               }
+               if (chip->rmidi && IS_MPUIRQ(cif->hwport)) {
+                       chip->handled_irqs++;
+                       snd_mpu401_uart_interrupt(irq,
+                                                 chip->rmidi->private_data,
+                                                 regs);
+               }
+               SET_AIACK(cif->hwport);
+       }
+       return IRQ_HANDLED;
+}
+
+static void
+snd_riptide_codec_write(struct snd_ac97 *ac97, unsigned short reg,
+                       unsigned short val)
+{
+       struct snd_riptide *chip = ac97->private_data;
+       struct cmdif *cif = chip->cif;
+       union cmdret rptr = CMDRET_ZERO;
+       int i = 0;
+
+       snd_assert(cif, return);
+
+       snd_printdd("Write AC97 reg 0x%x 0x%x\n", reg, val);
+       do {
+               SEND_SACR(cif, val, reg);
+               SEND_RACR(cif, reg, &rptr);
+       } while (rptr.retwords[1] != val && i++ < MAX_WRITE_RETRY);
+       if (i == MAX_WRITE_RETRY)
+               snd_printdd("Write AC97 reg failed\n");
+}
+
+static unsigned short snd_riptide_codec_read(struct snd_ac97 *ac97,
+                                            unsigned short reg)
+{
+       struct snd_riptide *chip = ac97->private_data;
+       struct cmdif *cif = chip->cif;
+       union cmdret rptr = CMDRET_ZERO;
+
+       snd_assert(cif, return 0);
+
+       if (SEND_RACR(cif, reg, &rptr) != 0)
+               SEND_RACR(cif, reg, &rptr);
+       snd_printdd("Read AC97 reg 0x%x got 0x%x\n", reg, rptr.retwords[1]);
+       return rptr.retwords[1];
+}
+
+static int snd_riptide_initialize(struct snd_riptide *chip)
+{
+       struct cmdif *cif;
+       unsigned int device_id;
+       int err;
+
+       snd_assert(chip, return -EINVAL);
+
+       cif = chip->cif;
+       if (!cif) {
+               if ((cif = kzalloc(sizeof(struct cmdif), GFP_KERNEL)) == NULL)
+                       return -ENOMEM;
+               cif->hwport = (struct riptideport *)chip->port;
+               spin_lock_init(&cif->lock);
+               chip->cif = cif;
+       }
+       cif->is_reset = 0;
+       if ((err = riptide_reset(cif, chip)) != 0)
+               return err;
+       device_id = chip->device_id;
+       switch (device_id) {
+       case 0x4310:
+       case 0x4320:
+       case 0x4330:
+               snd_printdd("Modem enable?\n");
+               SEND_SETDPLL(cif);
+               break;
+       }
+       snd_printdd("Enabling MPU IRQs\n");
+       if (chip->rmidi)
+               SET_EMPUIRQ(cif->hwport);
+       return err;
+}
+
+static int snd_riptide_free(struct snd_riptide *chip)
+{
+       struct cmdif *cif;
+
+       snd_assert(chip, return 0);
+
+       if ((cif = chip->cif)) {
+               SET_GRESET(cif->hwport);
+               udelay(100);
+               UNSET_GRESET(cif->hwport);
+               kfree(chip->cif);
+       }
+       if (chip->fw_entry)
+               release_firmware(chip->fw_entry);
+       if (chip->res_port) {
+               release_resource(chip->res_port);
+               kfree_nocheck(chip->res_port);
+       }
+       if (chip->irq >= 0)
+               free_irq(chip->irq, chip);
+       kfree(chip);
+       return 0;
+}
+
+static int snd_riptide_dev_free(struct snd_device *device)
+{
+       struct snd_riptide *chip = device->device_data;
+
+       return snd_riptide_free(chip);
+}
+
+static int __devinit
+snd_riptide_create(struct snd_card *card, struct pci_dev *pci,
+                  struct snd_riptide **rchip)
+{
+       struct snd_riptide *chip;
+       struct riptideport *hwport;
+       int err;
+       static struct snd_device_ops ops = {
+               .dev_free = snd_riptide_dev_free,
+       };
+
+       *rchip = NULL;
+       if ((err = pci_enable_device(pci)) < 0)
+               return err;
+       if (!(chip = kzalloc(sizeof(struct snd_riptide), GFP_KERNEL)))
+               return -ENOMEM;
+
+       spin_lock_init(&chip->lock);
+       chip->card = card;
+       chip->pci = pci;
+       chip->irq = -1;
+       chip->openstreams = 0;
+       chip->port = pci_resource_start(pci, 0);
+       chip->received_irqs = 0;
+       chip->handled_irqs = 0;
+       chip->cif = NULL;
+       tasklet_init(&chip->riptide_tq, riptide_handleirq, (unsigned long)chip);
+
+       if ((chip->res_port =
+            request_region(chip->port, 64, "RIPTIDE")) == NULL) {
+               snd_printk(KERN_ERR
+                          "Riptide: unable to grab region 0x%lx-0x%lx\n",
+                          chip->port, chip->port + 64 - 1);
+               snd_riptide_free(chip);
+               return -EBUSY;
+       }
+       hwport = (struct riptideport *)chip->port;
+       UNSET_AIE(hwport);
+
+       if (request_irq
+           (pci->irq, snd_riptide_interrupt, SA_INTERRUPT | SA_SHIRQ,
+            "RIPTIDE", chip)) {
+               snd_printk(KERN_ERR "Riptide: unable to grab IRQ %d\n",
+                          pci->irq);
+               snd_riptide_free(chip);
+               return -EBUSY;
+       }
+       chip->irq = pci->irq;
+       chip->device_id = pci->device;
+       pci_set_master(pci);
+       if ((err = snd_riptide_initialize(chip)) < 0) {
+               snd_riptide_free(chip);
+               return err;
+       }
+
+       if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
+               snd_riptide_free(chip);
+               return err;
+       }
+
+       *rchip = chip;
+       return 0;
+}
+
+static void
+snd_riptide_proc_read(struct snd_info_entry *entry,
+                     struct snd_info_buffer *buffer)
+{
+       struct snd_riptide *chip = entry->private_data;
+       struct pcmhw *data;
+       int i;
+       struct cmdif *cif = NULL;
+       unsigned char p[256];
+       unsigned short rval = 0, lval = 0;
+       unsigned int rate;
+
+       if (!chip)
+               return;
+
+       snd_iprintf(buffer, "%s\n\n", chip->card->longname);
+       snd_iprintf(buffer, "Device ID: 0x%x\nReceived IRQs: (%ld)%ld\nPorts:",
+                   chip->device_id, chip->handled_irqs, chip->received_irqs);
+       for (i = 0; i < 64; i += 4)
+               snd_iprintf(buffer, "%c%02x: %08x",
+                           (i % 16) ? ' ' : '\n', i, inl(chip->port + i));
+       if ((cif = chip->cif)) {
+               snd_iprintf(buffer,
+                           "\nVersion: ASIC: %d CODEC: %d AUXDSP: %d PROG: %d",
+                           chip->firmware.firmware.ASIC,
+                           chip->firmware.firmware.CODEC,
+                           chip->firmware.firmware.AUXDSP,
+                           chip->firmware.firmware.PROG);
+               snd_iprintf(buffer, "\nDigital mixer:");
+               for (i = 0; i < 12; i++) {
+                       getmixer(cif, i, &rval, &lval);
+                       snd_iprintf(buffer, "\n %d: %d %d", i, rval, lval);
+               }
+               snd_iprintf(buffer,
+                           "\nARM Commands num: %d failed: %d time: %d max: %d min: %d",
+                           cif->cmdcnt, cif->errcnt,
+                           cif->cmdtime, cif->cmdtimemax, cif->cmdtimemin);
+       }
+       snd_iprintf(buffer, "\nOpen streams %d:\n", chip->openstreams);
+       for (i = 0; i < PLAYBACK_SUBSTREAMS; i++) {
+               if (chip->playback_substream[i]
+                   && chip->playback_substream[i]->runtime
+                   && (data =
+                       chip->playback_substream[i]->runtime->private_data)) {
+                       snd_iprintf(buffer,
+                                   "stream: %d mixer: %d source: %d (%d,%d)\n",
+                                   data->id, data->mixer, data->source,
+                                   data->intdec[0], data->intdec[1]);
+                       if (!(getsamplerate(cif, data->intdec, &rate)))
+                               snd_iprintf(buffer, "rate: %d\n", rate);
+               }
+       }
+       if (chip->capture_substream
+           && chip->capture_substream->runtime
+           && (data = chip->capture_substream->runtime->private_data)) {
+               snd_iprintf(buffer,
+                           "stream: %d mixer: %d source: %d (%d,%d)\n",
+                           data->id, data->mixer,
+                           data->source, data->intdec[0], data->intdec[1]);
+               if (!(getsamplerate(cif, data->intdec, &rate)))
+                       snd_iprintf(buffer, "rate: %d\n", rate);
+       }
+       snd_iprintf(buffer, "Paths:\n");
+       i = getpaths(cif, p);
+       while (i--) {
+               snd_iprintf(buffer, "%x->%x ", p[i - 1], p[i]);
+               i--;
+       }
+       snd_iprintf(buffer, "\n");
+}
+
+static void __devinit snd_riptide_proc_init(struct snd_riptide *chip)
+{
+       struct snd_info_entry *entry;
+
+       if (!snd_card_proc_new(chip->card, "riptide", &entry))
+               snd_info_set_text_ops(entry, chip, 4096, snd_riptide_proc_read);
+}
+
+static int __devinit snd_riptide_mixer(struct snd_riptide *chip)
+{
+       struct snd_ac97_bus *pbus;
+       struct snd_ac97_template ac97;
+       int err = 0;
+       static struct snd_ac97_bus_ops ops = {
+               .write = snd_riptide_codec_write,
+               .read = snd_riptide_codec_read,
+       };
+
+       memset(&ac97, 0, sizeof(ac97));
+       ac97.private_data = chip;
+       ac97.scaps = AC97_SCAP_SKIP_MODEM;
+
+       if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0)
+               return err;
+
+       chip->ac97_bus = pbus;
+       ac97.pci = chip->pci;
+       if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97)) < 0)
+               return err;
+       return err;
+}
+
+#ifdef SUPPORT_JOYSTICK
+static int have_joystick;
+static struct pci_dev *riptide_gameport_pci;
+static struct gameport *riptide_gameport;
+
+static int __devinit
+snd_riptide_joystick_probe(struct pci_dev *pci, const struct pci_device_id *id)
+{
+       static int dev;
+
+       if (dev >= SNDRV_CARDS)
+               return -ENODEV;
+       if (!enable[dev]) {
+               dev++;
+               return -ENOENT;
+       }
+
+       if (joystick_port[dev]) {
+               riptide_gameport = gameport_allocate_port();
+               if (riptide_gameport) {
+                       if (!request_region
+                           (joystick_port[dev], 8, "Riptide gameport")) {
+                               snd_printk(KERN_WARNING
+                                          "Riptide: cannot grab gameport 0x%x\n",
+                                          joystick_port[dev]);
+                               gameport_free_port(riptide_gameport);
+                               riptide_gameport = NULL;
+                       } else {
+                               riptide_gameport_pci = pci;
+                               riptide_gameport->io = joystick_port[dev];
+                               gameport_register_port(riptide_gameport);
+                       }
+               }
+       }
+       dev++;
+       return 0;
+}
+
+static void __devexit snd_riptide_joystick_remove(struct pci_dev *pci)
+{
+       if (riptide_gameport) {
+               if (riptide_gameport_pci == pci) {
+                       release_region(riptide_gameport->io, 8);
+                       riptide_gameport_pci = NULL;
+                       gameport_unregister_port(riptide_gameport);
+                       riptide_gameport = NULL;
+               }
+       }
+}
+#endif
+
+static int __devinit
+snd_card_riptide_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
+{
+       static int dev;
+       struct snd_card *card;
+       struct snd_riptide *chip;
+       unsigned short addr;
+       int err = 0;
+
+       if (dev >= SNDRV_CARDS)
+               return -ENODEV;
+       if (!enable[dev]) {
+               dev++;
+               return -ENOENT;
+       }
+
+       card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
+       if (card == NULL)
+               return -ENOMEM;
+       if ((err = snd_riptide_create(card, pci, &chip)) < 0) {
+               snd_card_free(card);
+               return err;
+       }
+       card->private_data = chip;
+       if ((err = snd_riptide_pcm(chip, 0, NULL)) < 0) {
+               snd_card_free(card);
+               return err;
+       }
+       if ((err = snd_riptide_mixer(chip)) < 0) {
+               snd_card_free(card);
+               return err;
+       }
+       pci_write_config_word(chip->pci, PCI_EXT_Legacy_Mask, LEGACY_ENABLE_ALL
+                             | (opl3_port[dev] ? LEGACY_ENABLE_FM : 0)
+#ifdef SUPPORT_JOYSTICK
+                             | (joystick_port[dev] ? LEGACY_ENABLE_GAMEPORT :
+                                0)
+#endif
+                             | (mpu_port[dev]
+                                ? (LEGACY_ENABLE_MPU_INT | LEGACY_ENABLE_MPU) :
+                                0)
+                             | ((chip->irq << 4) & 0xF0));
+       if ((addr = mpu_port[dev]) != 0) {
+               pci_write_config_word(chip->pci, PCI_EXT_MPU_Base, addr);
+               if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_RIPTIDE,
+                                              addr, 0, chip->irq, 0,
+                                              &chip->rmidi)) < 0)
+                       snd_printk(KERN_WARNING
+                                  "Riptide: Can't Allocate MPU at 0x%x\n",
+                                  addr);
+               else
+                       chip->mpuaddr = addr;
+       }
+       if ((addr = opl3_port[dev]) != 0) {
+               pci_write_config_word(chip->pci, PCI_EXT_FM_Base, addr);
+               if ((err = snd_opl3_create(card, addr, addr + 2,
+                                          OPL3_HW_RIPTIDE, 0,
+                                          &chip->opl3)) < 0)
+                       snd_printk(KERN_WARNING
+                                  "Riptide: Can't Allocate OPL3 at 0x%x\n",
+                                  addr);
+               else {
+                       chip->opladdr = addr;
+                       if ((err =
+                            snd_opl3_hwdep_new(chip->opl3, 0, 1, NULL)) < 0)
+                               snd_printk(KERN_WARNING
+                                          "Riptide: Can't Allocate OPL3-HWDEP\n");
+               }
+       }
+#ifdef SUPPORT_JOYSTICK
+       if ((addr = joystick_port[dev]) != 0) {
+               pci_write_config_word(chip->pci, PCI_EXT_Game_Base, addr);
+               chip->gameaddr = addr;
+       }
+#endif
+
+       strcpy(card->driver, "RIPTIDE");
+       strcpy(card->shortname, "Riptide");
+#ifdef SUPPORT_JOYSTICK
+       snprintf(card->longname, sizeof(card->longname),
+                "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x gameport 0x%x",
+                card->shortname, chip->port, chip->irq, chip->mpuaddr,
+                chip->opladdr, chip->gameaddr);
+#else
+       snprintf(card->longname, sizeof(card->longname),
+                "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x",
+                card->shortname, chip->port, chip->irq, chip->mpuaddr,
+                chip->opladdr);
+#endif
+       snd_riptide_proc_init(chip);
+       if ((err = snd_card_register(card)) < 0) {
+               snd_card_free(card);
+               return err;
+       }
+       pci_set_drvdata(pci, card);
+       dev++;
+       return 0;
+}
+
+static void __devexit snd_card_riptide_remove(struct pci_dev *pci)
+{
+       snd_card_free(pci_get_drvdata(pci));
+       pci_set_drvdata(pci, NULL);
+}
+
+static struct pci_driver driver = {
+       .name = "RIPTIDE",
+       .id_table = snd_riptide_ids,
+       .probe = snd_card_riptide_probe,
+       .remove = __devexit_p(snd_card_riptide_remove),
+#ifdef CONFIG_PM
+       .suspend = riptide_suspend,
+       .resume = riptide_resume,
+#endif
+};
+
+#ifdef SUPPORT_JOYSTICK
+static struct pci_driver joystick_driver = {
+       .name = "Riptide Joystick",
+       .id_table = snd_riptide_joystick_ids,
+       .probe = snd_riptide_joystick_probe,
+       .remove = __devexit_p(snd_riptide_joystick_remove),
+};
+#endif
+
+static int __init alsa_card_riptide_init(void)
+{
+       int err;
+       if ((err = pci_register_driver(&driver)) < 0)
+               return err;
+#if defined(SUPPORT_JOYSTICK)
+       if (pci_register_driver(&joystick_driver) < 0) {
+               have_joystick = 0;
+               snd_printk(KERN_INFO "no joystick found\n");
+       } else
+               have_joystick = 1;
+#endif
+       return 0;
+}
+
+static void __exit alsa_card_riptide_exit(void)
+{
+       pci_unregister_driver(&driver);
+#if defined(SUPPORT_JOYSTICK)
+       if (have_joystick)
+               pci_unregister_driver(&joystick_driver);
+#endif
+}
+
+module_init(alsa_card_riptide_init);
+module_exit(alsa_card_riptide_exit);