linux/sound/pci/riptide/riptide.c
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   1/*
   2 *   Driver for the Conexant Riptide Soundchip
   3 *
   4 *      Copyright (c) 2004 Peter Gruber <nokos@gmx.net>
   5 *
   6 *   This program is free software; you can redistribute it and/or modify
   7 *   it under the terms of the GNU General Public License as published by
   8 *   the Free Software Foundation; either version 2 of the License, or
   9 *   (at your option) any later version.
  10 *
  11 *   This program is distributed in the hope that it will be useful,
  12 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 *   GNU General Public License for more details.
  15 *
  16 *   You should have received a copy of the GNU General Public License
  17 *   along with this program; if not, write to the Free Software
  18 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19 *
  20 */
  21/*
  22  History:
  23   - 02/15/2004 first release
  24   
  25  This Driver is based on the OSS Driver version from Linuxant (riptide-0.6lnxtbeta03111100)
  26  credits from the original files:
  27  
  28  MODULE NAME:        cnxt_rt.h                       
  29  AUTHOR:             K. Lazarev  (Transcribed by KNL)
  30  HISTORY:         Major Revision               Date        By
  31            -----------------------------     --------     -----
  32            Created                           02/1/2000     KNL
  33
  34  MODULE NAME:     int_mdl.c                       
  35  AUTHOR:          Konstantin Lazarev    (Transcribed by KNL)
  36  HISTORY:         Major Revision               Date        By
  37            -----------------------------     --------     -----
  38            Created                           10/01/99      KNL
  39            
  40  MODULE NAME:        riptide.h                       
  41  AUTHOR:             O. Druzhinin  (Transcribed by OLD)
  42  HISTORY:         Major Revision               Date        By
  43            -----------------------------     --------     -----
  44            Created                           10/16/97      OLD
  45
  46  MODULE NAME:        Rp_Cmdif.cpp                       
  47  AUTHOR:             O. Druzhinin  (Transcribed by OLD)
  48                      K. Lazarev    (Transcribed by KNL)
  49  HISTORY:         Major Revision               Date        By
  50            -----------------------------     --------     -----
  51            Adopted from NT4 driver            6/22/99      OLD
  52            Ported to Linux                    9/01/99      KNL
  53
  54  MODULE NAME:        rt_hw.c                       
  55  AUTHOR:             O. Druzhinin  (Transcribed by OLD)
  56                      C. Lazarev    (Transcribed by CNL)
  57  HISTORY:         Major Revision               Date        By
  58            -----------------------------     --------     -----
  59            Created                           11/18/97      OLD
  60            Hardware functions for RipTide    11/24/97      CNL
  61            (ES1) are coded
  62            Hardware functions for RipTide    12/24/97      CNL
  63            (A0) are coded
  64            Hardware functions for RipTide    03/20/98      CNL
  65            (A1) are coded
  66            Boot loader is included           05/07/98      CNL
  67            Redesigned for WDM                07/27/98      CNL
  68            Redesigned for Linux              09/01/99      CNL
  69
  70  MODULE NAME:        rt_hw.h
  71  AUTHOR:             C. Lazarev    (Transcribed by CNL)
  72  HISTORY:         Major Revision               Date        By
  73            -----------------------------     --------     -----
  74            Created                           11/18/97      CNL
  75
  76  MODULE NAME:     rt_mdl.c                       
  77  AUTHOR:          Konstantin Lazarev    (Transcribed by KNL)
  78  HISTORY:         Major Revision               Date        By
  79            -----------------------------     --------     -----
  80            Created                           10/01/99      KNL
  81
  82  MODULE NAME:        mixer.h                        
  83  AUTHOR:             K. Kenney
  84  HISTORY:         Major Revision                   Date          By
  85            -----------------------------          --------     -----
  86            Created from MS W95 Sample             11/28/95      KRS
  87            RipTide                                10/15/97      KRS
  88            Adopted for Windows NT driver          01/20/98      CNL
  89*/
  90
  91#include <linux/delay.h>
  92#include <linux/init.h>
  93#include <linux/interrupt.h>
  94#include <linux/pci.h>
  95#include <linux/slab.h>
  96#include <linux/wait.h>
  97#include <linux/gameport.h>
  98#include <linux/device.h>
  99#include <linux/firmware.h>
 100#include <linux/kernel.h>
 101#include <linux/module.h>
 102#include <asm/io.h>
 103#include <sound/core.h>
 104#include <sound/info.h>
 105#include <sound/control.h>
 106#include <sound/pcm.h>
 107#include <sound/pcm_params.h>
 108#include <sound/ac97_codec.h>
 109#include <sound/mpu401.h>
 110#include <sound/opl3.h>
 111#include <sound/initval.h>
 112
 113#if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
 114#define SUPPORT_JOYSTICK 1
 115#endif
 116
 117MODULE_AUTHOR("Peter Gruber <nokos@gmx.net>");
 118MODULE_DESCRIPTION("riptide");
 119MODULE_LICENSE("GPL");
 120MODULE_SUPPORTED_DEVICE("{{Conexant,Riptide}}");
 121MODULE_FIRMWARE("riptide.hex");
 122
 123static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
 124static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
 125static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
 126
 127#ifdef SUPPORT_JOYSTICK
 128static int joystick_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x200 };
 129#endif
 130static int mpu_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x330 };
 131static int opl3_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x388 };
 132
 133module_param_array(index, int, NULL, 0444);
 134MODULE_PARM_DESC(index, "Index value for Riptide soundcard.");
 135module_param_array(id, charp, NULL, 0444);
 136MODULE_PARM_DESC(id, "ID string for Riptide soundcard.");
 137module_param_array(enable, bool, NULL, 0444);
 138MODULE_PARM_DESC(enable, "Enable Riptide soundcard.");
 139#ifdef SUPPORT_JOYSTICK
 140module_param_array(joystick_port, int, NULL, 0444);
 141MODULE_PARM_DESC(joystick_port, "Joystick port # for Riptide soundcard.");
 142#endif
 143module_param_array(mpu_port, int, NULL, 0444);
 144MODULE_PARM_DESC(mpu_port, "MPU401 port # for Riptide driver.");
 145module_param_array(opl3_port, int, NULL, 0444);
 146MODULE_PARM_DESC(opl3_port, "OPL3 port # for Riptide driver.");
 147
 148/*
 149 */
 150
 151#define MPU401_HW_RIPTIDE MPU401_HW_MPU401
 152#define OPL3_HW_RIPTIDE   OPL3_HW_OPL3
 153
 154#define PCI_EXT_CapId       0x40
 155#define PCI_EXT_NextCapPrt  0x41
 156#define PCI_EXT_PWMC        0x42
 157#define PCI_EXT_PWSCR       0x44
 158#define PCI_EXT_Data00      0x46
 159#define PCI_EXT_PMSCR_BSE   0x47
 160#define PCI_EXT_SB_Base     0x48
 161#define PCI_EXT_FM_Base     0x4a
 162#define PCI_EXT_MPU_Base    0x4C
 163#define PCI_EXT_Game_Base   0x4E
 164#define PCI_EXT_Legacy_Mask 0x50
 165#define PCI_EXT_AsicRev     0x52
 166#define PCI_EXT_Reserved3   0x53
 167
 168#define LEGACY_ENABLE_ALL      0x8000   /* legacy device options */
 169#define LEGACY_ENABLE_SB       0x4000
 170#define LEGACY_ENABLE_FM       0x2000
 171#define LEGACY_ENABLE_MPU_INT  0x1000
 172#define LEGACY_ENABLE_MPU      0x0800
 173#define LEGACY_ENABLE_GAMEPORT 0x0400
 174
 175#define MAX_WRITE_RETRY  10     /* cmd interface limits */
 176#define MAX_ERROR_COUNT  10
 177#define CMDIF_TIMEOUT    50000
 178#define RESET_TRIES      5
 179
 180#define READ_PORT_ULONG(p)     inl((unsigned long)&(p))
 181#define WRITE_PORT_ULONG(p,x)  outl(x,(unsigned long)&(p))
 182
 183#define READ_AUDIO_CONTROL(p)     READ_PORT_ULONG(p->audio_control)
 184#define WRITE_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,x)
 185#define UMASK_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)|x)
 186#define MASK_AUDIO_CONTROL(p,x)   WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)&x)
 187#define READ_AUDIO_STATUS(p)      READ_PORT_ULONG(p->audio_status)
 188
 189#define SET_GRESET(p)     UMASK_AUDIO_CONTROL(p,0x0001) /* global reset switch */
 190#define UNSET_GRESET(p)   MASK_AUDIO_CONTROL(p,~0x0001)
 191#define SET_AIE(p)        UMASK_AUDIO_CONTROL(p,0x0004) /* interrupt enable */
 192#define UNSET_AIE(p)      MASK_AUDIO_CONTROL(p,~0x0004)
 193#define SET_AIACK(p)      UMASK_AUDIO_CONTROL(p,0x0008) /* interrupt acknowledge */
 194#define UNSET_AIACKT(p)   MASKAUDIO_CONTROL(p,~0x0008)
 195#define SET_ECMDAE(p)     UMASK_AUDIO_CONTROL(p,0x0010)
 196#define UNSET_ECMDAE(p)   MASK_AUDIO_CONTROL(p,~0x0010)
 197#define SET_ECMDBE(p)     UMASK_AUDIO_CONTROL(p,0x0020)
 198#define UNSET_ECMDBE(p)   MASK_AUDIO_CONTROL(p,~0x0020)
 199#define SET_EDATAF(p)     UMASK_AUDIO_CONTROL(p,0x0040)
 200#define UNSET_EDATAF(p)   MASK_AUDIO_CONTROL(p,~0x0040)
 201#define SET_EDATBF(p)     UMASK_AUDIO_CONTROL(p,0x0080)
 202#define UNSET_EDATBF(p)   MASK_AUDIO_CONTROL(p,~0x0080)
 203#define SET_ESBIRQON(p)   UMASK_AUDIO_CONTROL(p,0x0100)
 204#define UNSET_ESBIRQON(p) MASK_AUDIO_CONTROL(p,~0x0100)
 205#define SET_EMPUIRQ(p)    UMASK_AUDIO_CONTROL(p,0x0200)
 206#define UNSET_EMPUIRQ(p)  MASK_AUDIO_CONTROL(p,~0x0200)
 207#define IS_CMDE(a)        (READ_PORT_ULONG(a->stat)&0x1)        /* cmd empty */
 208#define IS_DATF(a)        (READ_PORT_ULONG(a->stat)&0x2)        /* data filled */
 209#define IS_READY(p)       (READ_AUDIO_STATUS(p)&0x0001)
 210#define IS_DLREADY(p)     (READ_AUDIO_STATUS(p)&0x0002)
 211#define IS_DLERR(p)       (READ_AUDIO_STATUS(p)&0x0004)
 212#define IS_GERR(p)        (READ_AUDIO_STATUS(p)&0x0008) /* error ! */
 213#define IS_CMDAEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0010)
 214#define IS_CMDBEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0020)
 215#define IS_DATAFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0040)
 216#define IS_DATBFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0080)
 217#define IS_EOBIRQ(p)      (READ_AUDIO_STATUS(p)&0x0100) /* interrupt status */
 218#define IS_EOSIRQ(p)      (READ_AUDIO_STATUS(p)&0x0200)
 219#define IS_EOCIRQ(p)      (READ_AUDIO_STATUS(p)&0x0400)
 220#define IS_UNSLIRQ(p)     (READ_AUDIO_STATUS(p)&0x0800)
 221#define IS_SBIRQ(p)       (READ_AUDIO_STATUS(p)&0x1000)
 222#define IS_MPUIRQ(p)      (READ_AUDIO_STATUS(p)&0x2000)
 223
 224#define RESP 0x00000001         /* command flags */
 225#define PARM 0x00000002
 226#define CMDA 0x00000004
 227#define CMDB 0x00000008
 228#define NILL 0x00000000
 229
 230#define LONG0(a)   ((u32)a)     /* shifts and masks */
 231#define BYTE0(a)   (LONG0(a)&0xff)
 232#define BYTE1(a)   (BYTE0(a)<<8)
 233#define BYTE2(a)   (BYTE0(a)<<16)
 234#define BYTE3(a)   (BYTE0(a)<<24)
 235#define WORD0(a)   (LONG0(a)&0xffff)
 236#define WORD1(a)   (WORD0(a)<<8)
 237#define WORD2(a)   (WORD0(a)<<16)
 238#define TRINIB0(a) (LONG0(a)&0xffffff)
 239#define TRINIB1(a) (TRINIB0(a)<<8)
 240
 241#define RET(a)     ((union cmdret *)(a))
 242
 243#define SEND_GETV(p,b)             sendcmd(p,RESP,GETV,0,RET(b))        /* get version */
 244#define SEND_GETC(p,b,c)           sendcmd(p,PARM|RESP,GETC,c,RET(b))
 245#define SEND_GUNS(p,b)             sendcmd(p,RESP,GUNS,0,RET(b))
 246#define SEND_SCID(p,b)             sendcmd(p,RESP,SCID,0,RET(b))
 247#define SEND_RMEM(p,b,c,d)         sendcmd(p,PARM|RESP,RMEM|BYTE1(b),LONG0(c),RET(d))   /* memory access for firmware write */
 248#define SEND_SMEM(p,b,c)           sendcmd(p,PARM,SMEM|BYTE1(b),LONG0(c),RET(0))        /* memory access for firmware write */
 249#define SEND_WMEM(p,b,c)           sendcmd(p,PARM,WMEM|BYTE1(b),LONG0(c),RET(0))        /* memory access for firmware write */
 250#define SEND_SDTM(p,b,c)           sendcmd(p,PARM|RESP,SDTM|TRINIB1(b),0,RET(c))        /* memory access for firmware write */
 251#define SEND_GOTO(p,b)             sendcmd(p,PARM,GOTO,LONG0(b),RET(0)) /* memory access for firmware write */
 252#define SEND_SETDPLL(p)            sendcmd(p,0,ARM_SETDPLL,0,RET(0))
 253#define SEND_SSTR(p,b,c)           sendcmd(p,PARM,SSTR|BYTE3(b),LONG0(c),RET(0))        /* start stream */
 254#define SEND_PSTR(p,b)             sendcmd(p,PARM,PSTR,BYTE3(b),RET(0)) /* pause stream */
 255#define SEND_KSTR(p,b)             sendcmd(p,PARM,KSTR,BYTE3(b),RET(0)) /* stop stream */
 256#define SEND_KDMA(p)               sendcmd(p,0,KDMA,0,RET(0))   /* stop all dma */
 257#define SEND_GPOS(p,b,c,d)         sendcmd(p,PARM|RESP,GPOS,BYTE3(c)|BYTE2(b),RET(d))   /* get position in dma */
 258#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 */
 259#define SEND_GSTS(p,b,c,d)         sendcmd(p,PARM|RESP,GSTS,BYTE3(c)|BYTE2(b),RET(d))
 260#define SEND_NGPOS(p,b,c,d)        sendcmd(p,PARM|RESP,NGPOS,BYTE3(c)|BYTE2(b),RET(d))
 261#define SEND_PSEL(p,b,c)           sendcmd(p,PARM,PSEL,BYTE2(b)|BYTE3(c),RET(0))        /* activate lbus path */
 262#define SEND_PCLR(p,b,c)           sendcmd(p,PARM,PCLR,BYTE2(b)|BYTE3(c),RET(0))        /* deactivate lbus path */
 263#define SEND_PLST(p,b)             sendcmd(p,PARM,PLST,BYTE3(b),RET(0))
 264#define SEND_RSSV(p,b,c,d)         sendcmd(p,PARM|RESP,RSSV,BYTE2(b)|BYTE3(c),RET(d))
 265#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 */
 266#define SEND_SSRC(p,b,c,d,e)       sendcmd(p,PARM,SSRC|BYTE1(b)|WORD2(c),WORD0(d)|WORD2(e),RET(0))      /* configure source */
 267#define SEND_SLST(p,b)             sendcmd(p,PARM,SLST,BYTE3(b),RET(0))
 268#define SEND_RSRC(p,b,c)           sendcmd(p,RESP,RSRC|BYTE1(b),0,RET(c))       /* read source config */
 269#define SEND_SSRB(p,b,c)           sendcmd(p,PARM,SSRB|BYTE1(b),WORD2(c),RET(0))
 270#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 */
 271#define SEND_RDGV(p,b,c,d)         sendcmd(p,PARM|RESP,RDGV|BYTE2(b)|BYTE3(c),0,RET(d)) /* read digital mixer */
 272#define SEND_DLST(p,b)             sendcmd(p,PARM,DLST,BYTE3(b),RET(0))
 273#define SEND_SACR(p,b,c)           sendcmd(p,PARM,SACR,WORD0(b)|WORD2(c),RET(0))        /* set AC97 register */
 274#define SEND_RACR(p,b,c)           sendcmd(p,PARM|RESP,RACR,WORD2(b),RET(c))    /* get AC97 register */
 275#define SEND_ALST(p,b)             sendcmd(p,PARM,ALST,BYTE3(b),RET(0))
 276#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))
 277#define SEND_RXAC(p,b,c,d)         sendcmd(p,PARM|RESP,RXAC,BYTE2(b)|BYTE3(c),RET(d))
 278#define SEND_SI2S(p,b)             sendcmd(p,PARM,SI2S,WORD2(b),RET(0))
 279
 280#define EOB_STATUS         0x80000000   /* status flags : block boundary */
 281#define EOS_STATUS         0x40000000   /*              : stoppped */
 282#define EOC_STATUS         0x20000000   /*              : stream end */
 283#define ERR_STATUS         0x10000000
 284#define EMPTY_STATUS       0x08000000
 285
 286#define IEOB_ENABLE        0x1  /* enable interrupts for status notification above */
 287#define IEOS_ENABLE        0x2
 288#define IEOC_ENABLE        0x4
 289#define RDONCE             0x8
 290#define DESC_MAX_MASK      0xff
 291
 292#define ST_PLAY  0x1            /* stream states */
 293#define ST_STOP  0x2
 294#define ST_PAUSE 0x4
 295
 296#define I2S_INTDEC     3        /* config for I2S link */
 297#define I2S_MERGER     0
 298#define I2S_SPLITTER   0
 299#define I2S_MIXER      7
 300#define I2S_RATE       44100
 301
 302#define MODEM_INTDEC   4        /* config for modem link */
 303#define MODEM_MERGER   3
 304#define MODEM_SPLITTER 0
 305#define MODEM_MIXER    11
 306
 307#define FM_INTDEC      3        /* config for FM/OPL3 link */
 308#define FM_MERGER      0
 309#define FM_SPLITTER    0
 310#define FM_MIXER       9
 311
 312#define SPLIT_PATH  0x80        /* path splitting flag */
 313
 314enum FIRMWARE {
 315        DATA_REC = 0, EXT_END_OF_FILE, EXT_SEG_ADDR_REC, EXT_GOTO_CMD_REC,
 316        EXT_LIN_ADDR_REC,
 317};
 318
 319enum CMDS {
 320        GETV = 0x00, GETC, GUNS, SCID, RMEM =
 321            0x10, SMEM, WMEM, SDTM, GOTO, SSTR =
 322            0x20, PSTR, KSTR, KDMA, GPOS, SETF, GSTS, NGPOS, PSEL =
 323            0x30, PCLR, PLST, RSSV, LSEL, SSRC = 0x40, SLST, RSRC, SSRB, SDGV =
 324            0x50, RDGV, DLST, SACR = 0x60, RACR, ALST, TXAC, RXAC, SI2S =
 325            0x70, ARM_SETDPLL = 0x72,
 326};
 327
 328enum E1SOURCE {
 329        ARM2LBUS_FIFO0 = 0, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2, ARM2LBUS_FIFO3,
 330        ARM2LBUS_FIFO4, ARM2LBUS_FIFO5, ARM2LBUS_FIFO6, ARM2LBUS_FIFO7,
 331        ARM2LBUS_FIFO8, ARM2LBUS_FIFO9, ARM2LBUS_FIFO10, ARM2LBUS_FIFO11,
 332        ARM2LBUS_FIFO12, ARM2LBUS_FIFO13, ARM2LBUS_FIFO14, ARM2LBUS_FIFO15,
 333        INTER0_OUT, INTER1_OUT, INTER2_OUT, INTER3_OUT, INTER4_OUT,
 334        INTERM0_OUT, INTERM1_OUT, INTERM2_OUT, INTERM3_OUT, INTERM4_OUT,
 335        INTERM5_OUT, INTERM6_OUT, DECIMM0_OUT, DECIMM1_OUT, DECIMM2_OUT,
 336        DECIMM3_OUT, DECIM0_OUT, SR3_4_OUT, OPL3_SAMPLE, ASRC0, ASRC1,
 337        ACLNK2PADC, ACLNK2MODEM0RX, ACLNK2MIC, ACLNK2MODEM1RX, ACLNK2HNDMIC,
 338        DIGITAL_MIXER_OUT0, GAINFUNC0_OUT, GAINFUNC1_OUT, GAINFUNC2_OUT,
 339        GAINFUNC3_OUT, GAINFUNC4_OUT, SOFTMODEMTX, SPLITTER0_OUTL,
 340        SPLITTER0_OUTR, SPLITTER1_OUTL, SPLITTER1_OUTR, SPLITTER2_OUTL,
 341        SPLITTER2_OUTR, SPLITTER3_OUTL, SPLITTER3_OUTR, MERGER0_OUT,
 342        MERGER1_OUT, MERGER2_OUT, MERGER3_OUT, ARM2LBUS_FIFO_DIRECT, NO_OUT
 343};
 344
 345enum E2SINK {
 346        LBUS2ARM_FIFO0 = 0, LBUS2ARM_FIFO1, LBUS2ARM_FIFO2, LBUS2ARM_FIFO3,
 347        LBUS2ARM_FIFO4, LBUS2ARM_FIFO5, LBUS2ARM_FIFO6, LBUS2ARM_FIFO7,
 348        INTER0_IN, INTER1_IN, INTER2_IN, INTER3_IN, INTER4_IN, INTERM0_IN,
 349        INTERM1_IN, INTERM2_IN, INTERM3_IN, INTERM4_IN, INTERM5_IN, INTERM6_IN,
 350        DECIMM0_IN, DECIMM1_IN, DECIMM2_IN, DECIMM3_IN, DECIM0_IN, SR3_4_IN,
 351        PDAC2ACLNK, MODEM0TX2ACLNK, MODEM1TX2ACLNK, HNDSPK2ACLNK,
 352        DIGITAL_MIXER_IN0, DIGITAL_MIXER_IN1, DIGITAL_MIXER_IN2,
 353        DIGITAL_MIXER_IN3, DIGITAL_MIXER_IN4, DIGITAL_MIXER_IN5,
 354        DIGITAL_MIXER_IN6, DIGITAL_MIXER_IN7, DIGITAL_MIXER_IN8,
 355        DIGITAL_MIXER_IN9, DIGITAL_MIXER_IN10, DIGITAL_MIXER_IN11,
 356        GAINFUNC0_IN, GAINFUNC1_IN, GAINFUNC2_IN, GAINFUNC3_IN, GAINFUNC4_IN,
 357        SOFTMODEMRX, SPLITTER0_IN, SPLITTER1_IN, SPLITTER2_IN, SPLITTER3_IN,
 358        MERGER0_INL, MERGER0_INR, MERGER1_INL, MERGER1_INR, MERGER2_INL,
 359        MERGER2_INR, MERGER3_INL, MERGER3_INR, E2SINK_MAX
 360};
 361
 362enum LBUS_SINK {
 363        LS_SRC_INTERPOLATOR = 0, LS_SRC_INTERPOLATORM, LS_SRC_DECIMATOR,
 364        LS_SRC_DECIMATORM, LS_MIXER_IN, LS_MIXER_GAIN_FUNCTION,
 365        LS_SRC_SPLITTER, LS_SRC_MERGER, LS_NONE1, LS_NONE2,
 366};
 367
 368enum RT_CHANNEL_IDS {
 369        M0TX = 0, M1TX, TAMTX, HSSPKR, PDAC, DSNDTX0, DSNDTX1, DSNDTX2,
 370        DSNDTX3, DSNDTX4, DSNDTX5, DSNDTX6, DSNDTX7, WVSTRTX, COP3DTX, SPARE,
 371        M0RX, HSMIC, M1RX, CLEANRX, MICADC, PADC, COPRX1, COPRX2,
 372        CHANNEL_ID_COUNTER
 373};
 374
 375enum { SB_CMD = 0, MODEM_CMD, I2S_CMD0, I2S_CMD1, FM_CMD, MAX_CMD };
 376
 377struct lbuspath {
 378        unsigned char *noconv;
 379        unsigned char *stereo;
 380        unsigned char *mono;
 381};
 382
 383struct cmdport {
 384        u32 data1;              /* cmd,param */
 385        u32 data2;              /* param */
 386        u32 stat;               /* status */
 387        u32 pad[5];
 388};
 389
 390struct riptideport {
 391        u32 audio_control;      /* status registers */
 392        u32 audio_status;
 393        u32 pad[2];
 394        struct cmdport port[2]; /* command ports */
 395};
 396
 397struct cmdif {
 398        struct riptideport *hwport;
 399        spinlock_t lock;
 400        unsigned int cmdcnt;    /* cmd statistics */
 401        unsigned int cmdtime;
 402        unsigned int cmdtimemax;
 403        unsigned int cmdtimemin;
 404        unsigned int errcnt;
 405        int is_reset;
 406};
 407
 408struct riptide_firmware {
 409        u16 ASIC;
 410        u16 CODEC;
 411        u16 AUXDSP;
 412        u16 PROG;
 413};
 414
 415union cmdret {
 416        u8 retbytes[8];
 417        u16 retwords[4];
 418        u32 retlongs[2];
 419};
 420
 421union firmware_version {
 422        union cmdret ret;
 423        struct riptide_firmware firmware;
 424};
 425
 426#define get_pcmhwdev(substream) (struct pcmhw *)(substream->runtime->private_data)
 427
 428#define PLAYBACK_SUBSTREAMS 3
 429struct snd_riptide {
 430        struct snd_card *card;
 431        struct pci_dev *pci;
 432        const struct firmware *fw_entry;
 433
 434        struct cmdif *cif;
 435
 436        struct snd_pcm *pcm;
 437        struct snd_pcm *pcm_i2s;
 438        struct snd_rawmidi *rmidi;
 439        struct snd_opl3 *opl3;
 440        struct snd_ac97 *ac97;
 441        struct snd_ac97_bus *ac97_bus;
 442
 443        struct snd_pcm_substream *playback_substream[PLAYBACK_SUBSTREAMS];
 444        struct snd_pcm_substream *capture_substream;
 445
 446        int openstreams;
 447
 448        int irq;
 449        unsigned long port;
 450        unsigned short mpuaddr;
 451        unsigned short opladdr;
 452#ifdef SUPPORT_JOYSTICK
 453        unsigned short gameaddr;
 454#endif
 455        struct resource *res_port;
 456
 457        unsigned short device_id;
 458
 459        union firmware_version firmware;
 460
 461        spinlock_t lock;
 462        struct tasklet_struct riptide_tq;
 463        struct snd_info_entry *proc_entry;
 464
 465        unsigned long received_irqs;
 466        unsigned long handled_irqs;
 467#ifdef CONFIG_PM
 468        int in_suspend;
 469#endif
 470};
 471
 472struct sgd {                    /* scatter gather desriptor */
 473        u32 dwNextLink;
 474        u32 dwSegPtrPhys;
 475        u32 dwSegLen;
 476        u32 dwStat_Ctl;
 477};
 478
 479struct pcmhw {                  /* pcm descriptor */
 480        struct lbuspath paths;
 481        unsigned char *lbuspath;
 482        unsigned char source;
 483        unsigned char intdec[2];
 484        unsigned char mixer;
 485        unsigned char id;
 486        unsigned char state;
 487        unsigned int rate;
 488        unsigned int channels;
 489        snd_pcm_format_t format;
 490        struct snd_dma_buffer sgdlist;
 491        struct sgd *sgdbuf;
 492        unsigned int size;
 493        unsigned int pages;
 494        unsigned int oldpos;
 495        unsigned int pointer;
 496};
 497
 498#define CMDRET_ZERO (union cmdret){{(u32)0, (u32) 0}}
 499
 500static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
 501                   union cmdret *ret);
 502static int getsourcesink(struct cmdif *cif, unsigned char source,
 503                         unsigned char sink, unsigned char *a,
 504                         unsigned char *b);
 505static int snd_riptide_initialize(struct snd_riptide *chip);
 506static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip);
 507
 508/*
 509 */
 510
 511static DEFINE_PCI_DEVICE_TABLE(snd_riptide_ids) = {
 512        { PCI_DEVICE(0x127a, 0x4310) },
 513        { PCI_DEVICE(0x127a, 0x4320) },
 514        { PCI_DEVICE(0x127a, 0x4330) },
 515        { PCI_DEVICE(0x127a, 0x4340) },
 516        {0,},
 517};
 518
 519#ifdef SUPPORT_JOYSTICK
 520static DEFINE_PCI_DEVICE_TABLE(snd_riptide_joystick_ids) = {
 521        { PCI_DEVICE(0x127a, 0x4312) },
 522        { PCI_DEVICE(0x127a, 0x4322) },
 523        { PCI_DEVICE(0x127a, 0x4332) },
 524        { PCI_DEVICE(0x127a, 0x4342) },
 525        {0,},
 526};
 527#endif
 528
 529MODULE_DEVICE_TABLE(pci, snd_riptide_ids);
 530
 531/*
 532 */
 533
 534static unsigned char lbusin2out[E2SINK_MAX + 1][2] = {
 535        {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
 536                                                                     LS_NONE2},
 537        {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
 538                                                                     LS_NONE2},
 539        {INTER0_OUT, LS_SRC_INTERPOLATOR}, {INTER1_OUT, LS_SRC_INTERPOLATOR},
 540        {INTER2_OUT, LS_SRC_INTERPOLATOR}, {INTER3_OUT, LS_SRC_INTERPOLATOR},
 541        {INTER4_OUT, LS_SRC_INTERPOLATOR}, {INTERM0_OUT, LS_SRC_INTERPOLATORM},
 542        {INTERM1_OUT, LS_SRC_INTERPOLATORM}, {INTERM2_OUT,
 543                                              LS_SRC_INTERPOLATORM},
 544        {INTERM3_OUT, LS_SRC_INTERPOLATORM}, {INTERM4_OUT,
 545                                              LS_SRC_INTERPOLATORM},
 546        {INTERM5_OUT, LS_SRC_INTERPOLATORM}, {INTERM6_OUT,
 547                                              LS_SRC_INTERPOLATORM},
 548        {DECIMM0_OUT, LS_SRC_DECIMATORM}, {DECIMM1_OUT, LS_SRC_DECIMATORM},
 549        {DECIMM2_OUT, LS_SRC_DECIMATORM}, {DECIMM3_OUT, LS_SRC_DECIMATORM},
 550        {DECIM0_OUT, LS_SRC_DECIMATOR}, {SR3_4_OUT, LS_NONE1}, {NO_OUT,
 551                                                                LS_NONE2},
 552        {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1},
 553        {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 554        {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 555        {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 556        {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 557        {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 558        {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 559        {GAINFUNC0_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC1_OUT,
 560                                                  LS_MIXER_GAIN_FUNCTION},
 561        {GAINFUNC2_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC3_OUT,
 562                                                  LS_MIXER_GAIN_FUNCTION},
 563        {GAINFUNC4_OUT, LS_MIXER_GAIN_FUNCTION}, {SOFTMODEMTX, LS_NONE1},
 564        {SPLITTER0_OUTL, LS_SRC_SPLITTER}, {SPLITTER1_OUTL, LS_SRC_SPLITTER},
 565        {SPLITTER2_OUTL, LS_SRC_SPLITTER}, {SPLITTER3_OUTL, LS_SRC_SPLITTER},
 566        {MERGER0_OUT, LS_SRC_MERGER}, {MERGER0_OUT, LS_SRC_MERGER},
 567        {MERGER1_OUT, LS_SRC_MERGER},
 568        {MERGER1_OUT, LS_SRC_MERGER}, {MERGER2_OUT, LS_SRC_MERGER},
 569        {MERGER2_OUT, LS_SRC_MERGER},
 570        {MERGER3_OUT, LS_SRC_MERGER}, {MERGER3_OUT, LS_SRC_MERGER}, {NO_OUT,
 571                                                                     LS_NONE2},
 572};
 573
 574static unsigned char lbus_play_opl3[] = {
 575        DIGITAL_MIXER_IN0 + FM_MIXER, 0xff
 576};
 577static unsigned char lbus_play_modem[] = {
 578        DIGITAL_MIXER_IN0 + MODEM_MIXER, 0xff
 579};
 580static unsigned char lbus_play_i2s[] = {
 581        INTER0_IN + I2S_INTDEC, DIGITAL_MIXER_IN0 + I2S_MIXER, 0xff
 582};
 583static unsigned char lbus_play_out[] = {
 584        PDAC2ACLNK, 0xff
 585};
 586static unsigned char lbus_play_outhp[] = {
 587        HNDSPK2ACLNK, 0xff
 588};
 589static unsigned char lbus_play_noconv1[] = {
 590        DIGITAL_MIXER_IN0, 0xff
 591};
 592static unsigned char lbus_play_stereo1[] = {
 593        INTER0_IN, DIGITAL_MIXER_IN0, 0xff
 594};
 595static unsigned char lbus_play_mono1[] = {
 596        INTERM0_IN, DIGITAL_MIXER_IN0, 0xff
 597};
 598static unsigned char lbus_play_noconv2[] = {
 599        DIGITAL_MIXER_IN1, 0xff
 600};
 601static unsigned char lbus_play_stereo2[] = {
 602        INTER1_IN, DIGITAL_MIXER_IN1, 0xff
 603};
 604static unsigned char lbus_play_mono2[] = {
 605        INTERM1_IN, DIGITAL_MIXER_IN1, 0xff
 606};
 607static unsigned char lbus_play_noconv3[] = {
 608        DIGITAL_MIXER_IN2, 0xff
 609};
 610static unsigned char lbus_play_stereo3[] = {
 611        INTER2_IN, DIGITAL_MIXER_IN2, 0xff
 612};
 613static unsigned char lbus_play_mono3[] = {
 614        INTERM2_IN, DIGITAL_MIXER_IN2, 0xff
 615};
 616static unsigned char lbus_rec_noconv1[] = {
 617        LBUS2ARM_FIFO5, 0xff
 618};
 619static unsigned char lbus_rec_stereo1[] = {
 620        DECIM0_IN, LBUS2ARM_FIFO5, 0xff
 621};
 622static unsigned char lbus_rec_mono1[] = {
 623        DECIMM3_IN, LBUS2ARM_FIFO5, 0xff
 624};
 625
 626static unsigned char play_ids[] = { 4, 1, 2, };
 627static unsigned char play_sources[] = {
 628        ARM2LBUS_FIFO4, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2,
 629};
 630static struct lbuspath lbus_play_paths[] = {
 631        {
 632         .noconv = lbus_play_noconv1,
 633         .stereo = lbus_play_stereo1,
 634         .mono = lbus_play_mono1,
 635         },
 636        {
 637         .noconv = lbus_play_noconv2,
 638         .stereo = lbus_play_stereo2,
 639         .mono = lbus_play_mono2,
 640         },
 641        {
 642         .noconv = lbus_play_noconv3,
 643         .stereo = lbus_play_stereo3,
 644         .mono = lbus_play_mono3,
 645         },
 646};
 647static struct lbuspath lbus_rec_path = {
 648        .noconv = lbus_rec_noconv1,
 649        .stereo = lbus_rec_stereo1,
 650        .mono = lbus_rec_mono1,
 651};
 652
 653#define FIRMWARE_VERSIONS 1
 654static union firmware_version firmware_versions[] = {
 655        {
 656                .firmware = {
 657                        .ASIC = 3,
 658                        .CODEC = 2,
 659                        .AUXDSP = 3,
 660                        .PROG = 773,
 661                },
 662        },
 663};
 664
 665static u32 atoh(const unsigned char *in, unsigned int len)
 666{
 667        u32 sum = 0;
 668        unsigned int mult = 1;
 669        unsigned char c;
 670
 671        while (len) {
 672                int value;
 673
 674                c = in[len - 1];
 675                value = hex_to_bin(c);
 676                if (value >= 0)
 677                        sum += mult * value;
 678                mult *= 16;
 679                --len;
 680        }
 681        return sum;
 682}
 683
 684static int senddata(struct cmdif *cif, const unsigned char *in, u32 offset)
 685{
 686        u32 addr;
 687        u32 data;
 688        u32 i;
 689        const unsigned char *p;
 690
 691        i = atoh(&in[1], 2);
 692        addr = offset + atoh(&in[3], 4);
 693        if (SEND_SMEM(cif, 0, addr) != 0)
 694                return -EACCES;
 695        p = in + 9;
 696        while (i) {
 697                data = atoh(p, 8);
 698                if (SEND_WMEM(cif, 2,
 699                              ((data & 0x0f0f0f0f) << 4) | ((data & 0xf0f0f0f0)
 700                                                            >> 4)))
 701                        return -EACCES;
 702                i -= 4;
 703                p += 8;
 704        }
 705        return 0;
 706}
 707
 708static int loadfirmware(struct cmdif *cif, const unsigned char *img,
 709                        unsigned int size)
 710{
 711        const unsigned char *in;
 712        u32 laddr, saddr, t, val;
 713        int err = 0;
 714
 715        laddr = saddr = 0;
 716        while (size > 0 && err == 0) {
 717                in = img;
 718                if (in[0] == ':') {
 719                        t = atoh(&in[7], 2);
 720                        switch (t) {
 721                        case DATA_REC:
 722                                err = senddata(cif, in, laddr + saddr);
 723                                break;
 724                        case EXT_SEG_ADDR_REC:
 725                                saddr = atoh(&in[9], 4) << 4;
 726                                break;
 727                        case EXT_LIN_ADDR_REC:
 728                                laddr = atoh(&in[9], 4) << 16;
 729                                break;
 730                        case EXT_GOTO_CMD_REC:
 731                                val = atoh(&in[9], 8);
 732                                if (SEND_GOTO(cif, val) != 0)
 733                                        err = -EACCES;
 734                                break;
 735                        case EXT_END_OF_FILE:
 736                                size = 0;
 737                                break;
 738                        default:
 739                                break;
 740                        }
 741                        while (size > 0) {
 742                                size--;
 743                                if (*img++ == '\n')
 744                                        break;
 745                        }
 746                }
 747        }
 748        snd_printdd("load firmware return %d\n", err);
 749        return err;
 750}
 751
 752static void
 753alloclbuspath(struct cmdif *cif, unsigned char source,
 754              unsigned char *path, unsigned char *mixer, unsigned char *s)
 755{
 756        while (*path != 0xff) {
 757                unsigned char sink, type;
 758
 759                sink = *path & (~SPLIT_PATH);
 760                if (sink != E2SINK_MAX) {
 761                        snd_printdd("alloc path 0x%x->0x%x\n", source, sink);
 762                        SEND_PSEL(cif, source, sink);
 763                        source = lbusin2out[sink][0];
 764                        type = lbusin2out[sink][1];
 765                        if (type == LS_MIXER_IN) {
 766                                if (mixer)
 767                                        *mixer = sink - DIGITAL_MIXER_IN0;
 768                        }
 769                        if (type == LS_SRC_DECIMATORM ||
 770                            type == LS_SRC_DECIMATOR ||
 771                            type == LS_SRC_INTERPOLATORM ||
 772                            type == LS_SRC_INTERPOLATOR) {
 773                                if (s) {
 774                                        if (s[0] != 0xff)
 775                                                s[1] = sink;
 776                                        else
 777                                                s[0] = sink;
 778                                }
 779                        }
 780                }
 781                if (*path++ & SPLIT_PATH) {
 782                        unsigned char *npath = path;
 783
 784                        while (*npath != 0xff)
 785                                npath++;
 786                        alloclbuspath(cif, source + 1, ++npath, mixer, s);
 787                }
 788        }
 789}
 790
 791static void
 792freelbuspath(struct cmdif *cif, unsigned char source, unsigned char *path)
 793{
 794        while (*path != 0xff) {
 795                unsigned char sink;
 796
 797                sink = *path & (~SPLIT_PATH);
 798                if (sink != E2SINK_MAX) {
 799                        snd_printdd("free path 0x%x->0x%x\n", source, sink);
 800                        SEND_PCLR(cif, source, sink);
 801                        source = lbusin2out[sink][0];
 802                }
 803                if (*path++ & SPLIT_PATH) {
 804                        unsigned char *npath = path;
 805
 806                        while (*npath != 0xff)
 807                                npath++;
 808                        freelbuspath(cif, source + 1, ++npath);
 809                }
 810        }
 811}
 812
 813static int writearm(struct cmdif *cif, u32 addr, u32 data, u32 mask)
 814{
 815        union cmdret rptr = CMDRET_ZERO;
 816        unsigned int i = MAX_WRITE_RETRY;
 817        int flag = 1;
 818
 819        SEND_RMEM(cif, 0x02, addr, &rptr);
 820        rptr.retlongs[0] &= (~mask);
 821
 822        while (--i) {
 823                SEND_SMEM(cif, 0x01, addr);
 824                SEND_WMEM(cif, 0x02, (rptr.retlongs[0] | data));
 825                SEND_RMEM(cif, 0x02, addr, &rptr);
 826                if ((rptr.retlongs[0] & data) == data) {
 827                        flag = 0;
 828                        break;
 829                } else
 830                        rptr.retlongs[0] &= ~mask;
 831        }
 832        snd_printdd("send arm 0x%x 0x%x 0x%x return %d\n", addr, data, mask,
 833                    flag);
 834        return flag;
 835}
 836
 837static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
 838                   union cmdret *ret)
 839{
 840        int i, j;
 841        int err;
 842        unsigned int time = 0;
 843        unsigned long irqflags;
 844        struct riptideport *hwport;
 845        struct cmdport *cmdport = NULL;
 846
 847        if (snd_BUG_ON(!cif))
 848                return -EINVAL;
 849
 850        hwport = cif->hwport;
 851        if (cif->errcnt > MAX_ERROR_COUNT) {
 852                if (cif->is_reset) {
 853                        snd_printk(KERN_ERR
 854                                   "Riptide: Too many failed cmds, reinitializing\n");
 855                        if (riptide_reset(cif, NULL) == 0) {
 856                                cif->errcnt = 0;
 857                                return -EIO;
 858                        }
 859                }
 860                snd_printk(KERN_ERR "Riptide: Initialization failed.\n");
 861                return -EINVAL;
 862        }
 863        if (ret) {
 864                ret->retlongs[0] = 0;
 865                ret->retlongs[1] = 0;
 866        }
 867        i = 0;
 868        spin_lock_irqsave(&cif->lock, irqflags);
 869        while (i++ < CMDIF_TIMEOUT && !IS_READY(cif->hwport))
 870                udelay(10);
 871        if (i > CMDIF_TIMEOUT) {
 872                err = -EBUSY;
 873                goto errout;
 874        }
 875
 876        err = 0;
 877        for (j = 0, time = 0; time < CMDIF_TIMEOUT; j++, time += 2) {
 878                cmdport = &(hwport->port[j % 2]);
 879                if (IS_DATF(cmdport)) { /* free pending data */
 880                        READ_PORT_ULONG(cmdport->data1);
 881                        READ_PORT_ULONG(cmdport->data2);
 882                }
 883                if (IS_CMDE(cmdport)) {
 884                        if (flags & PARM)       /* put data */
 885                                WRITE_PORT_ULONG(cmdport->data2, parm);
 886                        WRITE_PORT_ULONG(cmdport->data1, cmd);  /* write cmd */
 887                        if ((flags & RESP) && ret) {
 888                                while (!IS_DATF(cmdport) &&
 889                                       time < CMDIF_TIMEOUT) {
 890                                        udelay(10);
 891                                        time++;
 892                                }
 893                                if (time < CMDIF_TIMEOUT) {     /* read response */
 894                                        ret->retlongs[0] =
 895                                            READ_PORT_ULONG(cmdport->data1);
 896                                        ret->retlongs[1] =
 897                                            READ_PORT_ULONG(cmdport->data2);
 898                                } else {
 899                                        err = -ENOSYS;
 900                                        goto errout;
 901                                }
 902                        }
 903                        break;
 904                }
 905                udelay(20);
 906        }
 907        if (time == CMDIF_TIMEOUT) {
 908                err = -ENODATA;
 909                goto errout;
 910        }
 911        spin_unlock_irqrestore(&cif->lock, irqflags);
 912
 913        cif->cmdcnt++;          /* update command statistics */
 914        cif->cmdtime += time;
 915        if (time > cif->cmdtimemax)
 916                cif->cmdtimemax = time;
 917        if (time < cif->cmdtimemin)
 918                cif->cmdtimemin = time;
 919        if ((cif->cmdcnt) % 1000 == 0)
 920                snd_printdd
 921                    ("send cmd %d time: %d mintime: %d maxtime %d err: %d\n",
 922                     cif->cmdcnt, cif->cmdtime, cif->cmdtimemin,
 923                     cif->cmdtimemax, cif->errcnt);
 924        return 0;
 925
 926      errout:
 927        cif->errcnt++;
 928        spin_unlock_irqrestore(&cif->lock, irqflags);
 929        snd_printdd
 930            ("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",
 931             cif->cmdcnt, (int)((void *)&(cmdport->stat) - (void *)hwport),
 932             flags, cmd, parm, ret ? ret->retlongs[0] : 0,
 933             ret ? ret->retlongs[1] : 0, IS_CMDE(cmdport), IS_DATF(cmdport),
 934             err);
 935        return err;
 936}
 937
 938static int
 939setmixer(struct cmdif *cif, short num, unsigned short rval, unsigned short lval)
 940{
 941        union cmdret rptr = CMDRET_ZERO;
 942        int i = 0;
 943
 944        snd_printdd("sent mixer %d: 0x%d 0x%d\n", num, rval, lval);
 945        do {
 946                SEND_SDGV(cif, num, num, rval, lval);
 947                SEND_RDGV(cif, num, num, &rptr);
 948                if (rptr.retwords[0] == lval && rptr.retwords[1] == rval)
 949                        return 0;
 950        } while (i++ < MAX_WRITE_RETRY);
 951        snd_printdd("sent mixer failed\n");
 952        return -EIO;
 953}
 954
 955static int getpaths(struct cmdif *cif, unsigned char *o)
 956{
 957        unsigned char src[E2SINK_MAX];
 958        unsigned char sink[E2SINK_MAX];
 959        int i, j = 0;
 960
 961        for (i = 0; i < E2SINK_MAX; i++) {
 962                getsourcesink(cif, i, i, &src[i], &sink[i]);
 963                if (sink[i] < E2SINK_MAX) {
 964                        o[j++] = sink[i];
 965                        o[j++] = i;
 966                }
 967        }
 968        return j;
 969}
 970
 971static int
 972getsourcesink(struct cmdif *cif, unsigned char source, unsigned char sink,
 973              unsigned char *a, unsigned char *b)
 974{
 975        union cmdret rptr = CMDRET_ZERO;
 976
 977        if (SEND_RSSV(cif, source, sink, &rptr) &&
 978            SEND_RSSV(cif, source, sink, &rptr))
 979                return -EIO;
 980        *a = rptr.retbytes[0];
 981        *b = rptr.retbytes[1];
 982        snd_printdd("getsourcesink 0x%x 0x%x\n", *a, *b);
 983        return 0;
 984}
 985
 986static int
 987getsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int *rate)
 988{
 989        unsigned char *s;
 990        unsigned int p[2] = { 0, 0 };
 991        int i;
 992        union cmdret rptr = CMDRET_ZERO;
 993
 994        s = intdec;
 995        for (i = 0; i < 2; i++) {
 996                if (*s != 0xff) {
 997                        if (SEND_RSRC(cif, *s, &rptr) &&
 998                            SEND_RSRC(cif, *s, &rptr))
 999                                return -EIO;
1000                        p[i] += rptr.retwords[1];
1001                        p[i] *= rptr.retwords[2];
1002                        p[i] += rptr.retwords[3];
1003                        p[i] /= 65536;
1004                }
1005                s++;
1006        }
1007        if (p[0]) {
1008                if (p[1] != p[0])
1009                        snd_printdd("rates differ %d %d\n", p[0], p[1]);
1010                *rate = (unsigned int)p[0];
1011        } else
1012                *rate = (unsigned int)p[1];
1013        snd_printdd("getsampleformat %d %d %d\n", intdec[0], intdec[1], *rate);
1014        return 0;
1015}
1016
1017static int
1018setsampleformat(struct cmdif *cif,
1019                unsigned char mixer, unsigned char id,
1020                unsigned char channels, unsigned char format)
1021{
1022        unsigned char w, ch, sig, order;
1023
1024        snd_printdd
1025            ("setsampleformat mixer: %d id: %d channels: %d format: %d\n",
1026             mixer, id, channels, format);
1027        ch = channels == 1;
1028        w = snd_pcm_format_width(format) == 8;
1029        sig = snd_pcm_format_unsigned(format) != 0;
1030        order = snd_pcm_format_big_endian(format) != 0;
1031
1032        if (SEND_SETF(cif, mixer, w, ch, order, sig, id) &&
1033            SEND_SETF(cif, mixer, w, ch, order, sig, id)) {
1034                snd_printdd("setsampleformat failed\n");
1035                return -EIO;
1036        }
1037        return 0;
1038}
1039
1040static int
1041setsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int rate)
1042{
1043        u32 D, M, N;
1044        union cmdret rptr = CMDRET_ZERO;
1045        int i;
1046
1047        snd_printdd("setsamplerate intdec: %d,%d rate: %d\n", intdec[0],
1048                    intdec[1], rate);
1049        D = 48000;
1050        M = ((rate == 48000) ? 47999 : rate) * 65536;
1051        N = M % D;
1052        M /= D;
1053        for (i = 0; i < 2; i++) {
1054                if (*intdec != 0xff) {
1055                        do {
1056                                SEND_SSRC(cif, *intdec, D, M, N);
1057                                SEND_RSRC(cif, *intdec, &rptr);
1058                        } while (rptr.retwords[1] != D &&
1059                                 rptr.retwords[2] != M &&
1060                                 rptr.retwords[3] != N &&
1061                                 i++ < MAX_WRITE_RETRY);
1062                        if (i > MAX_WRITE_RETRY) {
1063                                snd_printdd("sent samplerate %d: %d failed\n",
1064                                            *intdec, rate);
1065                                return -EIO;
1066                        }
1067                }
1068                intdec++;
1069        }
1070        return 0;
1071}
1072
1073static int
1074getmixer(struct cmdif *cif, short num, unsigned short *rval,
1075         unsigned short *lval)
1076{
1077        union cmdret rptr = CMDRET_ZERO;
1078
1079        if (SEND_RDGV(cif, num, num, &rptr) && SEND_RDGV(cif, num, num, &rptr))
1080                return -EIO;
1081        *rval = rptr.retwords[0];
1082        *lval = rptr.retwords[1];
1083        snd_printdd("got mixer %d: 0x%d 0x%d\n", num, *rval, *lval);
1084        return 0;
1085}
1086
1087static void riptide_handleirq(unsigned long dev_id)
1088{
1089        struct snd_riptide *chip = (void *)dev_id;
1090        struct cmdif *cif = chip->cif;
1091        struct snd_pcm_substream *substream[PLAYBACK_SUBSTREAMS + 1];
1092        struct snd_pcm_runtime *runtime;
1093        struct pcmhw *data = NULL;
1094        unsigned int pos, period_bytes;
1095        struct sgd *c;
1096        int i, j;
1097        unsigned int flag;
1098
1099        if (!cif)
1100                return;
1101
1102        for (i = 0; i < PLAYBACK_SUBSTREAMS; i++)
1103                substream[i] = chip->playback_substream[i];
1104        substream[i] = chip->capture_substream;
1105        for (i = 0; i < PLAYBACK_SUBSTREAMS + 1; i++) {
1106                if (substream[i] &&
1107                    (runtime = substream[i]->runtime) &&
1108                    (data = runtime->private_data) && data->state != ST_STOP) {
1109                        pos = 0;
1110                        for (j = 0; j < data->pages; j++) {
1111                                c = &data->sgdbuf[j];
1112                                flag = le32_to_cpu(c->dwStat_Ctl);
1113                                if (flag & EOB_STATUS)
1114                                        pos += le32_to_cpu(c->dwSegLen);
1115                                if (flag & EOC_STATUS)
1116                                        pos += le32_to_cpu(c->dwSegLen);
1117                                if ((flag & EOS_STATUS)
1118                                    && (data->state == ST_PLAY)) {
1119                                        data->state = ST_STOP;
1120                                        snd_printk(KERN_ERR
1121                                                   "Riptide: DMA stopped unexpectedly\n");
1122                                }
1123                                c->dwStat_Ctl =
1124                                    cpu_to_le32(flag &
1125                                                ~(EOS_STATUS | EOB_STATUS |
1126                                                  EOC_STATUS));
1127                        }
1128                        data->pointer += pos;
1129                        pos += data->oldpos;
1130                        if (data->state != ST_STOP) {
1131                                period_bytes =
1132                                    frames_to_bytes(runtime,
1133                                                    runtime->period_size);
1134                                snd_printdd
1135                                    ("interrupt 0x%x after 0x%lx of 0x%lx frames in period\n",
1136                                     READ_AUDIO_STATUS(cif->hwport),
1137                                     bytes_to_frames(runtime, pos),
1138                                     runtime->period_size);
1139                                j = 0;
1140                                if (pos >= period_bytes) {
1141                                        j++;
1142                                        while (pos >= period_bytes)
1143                                                pos -= period_bytes;
1144                                }
1145                                data->oldpos = pos;
1146                                if (j > 0)
1147                                        snd_pcm_period_elapsed(substream[i]);
1148                        }
1149                }
1150        }
1151}
1152
1153#ifdef CONFIG_PM
1154static int riptide_suspend(struct device *dev)
1155{
1156        struct pci_dev *pci = to_pci_dev(dev);
1157        struct snd_card *card = dev_get_drvdata(dev);
1158        struct snd_riptide *chip = card->private_data;
1159
1160        chip->in_suspend = 1;
1161        snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1162        snd_pcm_suspend_all(chip->pcm);
1163        snd_ac97_suspend(chip->ac97);
1164        pci_disable_device(pci);
1165        pci_save_state(pci);
1166        pci_set_power_state(pci, PCI_D3hot);
1167        return 0;
1168}
1169
1170static int riptide_resume(struct device *dev)
1171{
1172        struct pci_dev *pci = to_pci_dev(dev);
1173        struct snd_card *card = dev_get_drvdata(dev);
1174        struct snd_riptide *chip = card->private_data;
1175
1176        pci_set_power_state(pci, PCI_D0);
1177        pci_restore_state(pci);
1178        if (pci_enable_device(pci) < 0) {
1179                printk(KERN_ERR "riptide: pci_enable_device failed, "
1180                       "disabling device\n");
1181                snd_card_disconnect(card);
1182                return -EIO;
1183        }
1184        pci_set_master(pci);
1185        snd_riptide_initialize(chip);
1186        snd_ac97_resume(chip->ac97);
1187        snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1188        chip->in_suspend = 0;
1189        return 0;
1190}
1191
1192static SIMPLE_DEV_PM_OPS(riptide_pm, riptide_suspend, riptide_resume);
1193#define RIPTIDE_PM_OPS  &riptide_pm
1194#else
1195#define RIPTIDE_PM_OPS  NULL
1196#endif /* CONFIG_PM */
1197
1198static int try_to_load_firmware(struct cmdif *cif, struct snd_riptide *chip)
1199{
1200        union firmware_version firmware = { .ret = CMDRET_ZERO };
1201        int i, timeout, err;
1202
1203        for (i = 0; i < 2; i++) {
1204                WRITE_PORT_ULONG(cif->hwport->port[i].data1, 0);
1205                WRITE_PORT_ULONG(cif->hwport->port[i].data2, 0);
1206        }
1207        SET_GRESET(cif->hwport);
1208        udelay(100);
1209        UNSET_GRESET(cif->hwport);
1210        udelay(100);
1211
1212        for (timeout = 100000; --timeout; udelay(10)) {
1213                if (IS_READY(cif->hwport) && !IS_GERR(cif->hwport))
1214                        break;
1215        }
1216        if (!timeout) {
1217                snd_printk(KERN_ERR
1218                           "Riptide: device not ready, audio status: 0x%x "
1219                           "ready: %d gerr: %d\n",
1220                           READ_AUDIO_STATUS(cif->hwport),
1221                           IS_READY(cif->hwport), IS_GERR(cif->hwport));
1222                return -EIO;
1223        } else {
1224                snd_printdd
1225                        ("Riptide: audio status: 0x%x ready: %d gerr: %d\n",
1226                         READ_AUDIO_STATUS(cif->hwport),
1227                         IS_READY(cif->hwport), IS_GERR(cif->hwport));
1228        }
1229
1230        SEND_GETV(cif, &firmware.ret);
1231        snd_printdd("Firmware version: ASIC: %d CODEC %d AUXDSP %d PROG %d\n",
1232                    firmware.firmware.ASIC, firmware.firmware.CODEC,
1233                    firmware.firmware.AUXDSP, firmware.firmware.PROG);
1234
1235        if (!chip)
1236                return 1;
1237
1238        for (i = 0; i < FIRMWARE_VERSIONS; i++) {
1239                if (!memcmp(&firmware_versions[i], &firmware, sizeof(firmware)))
1240                        return 1; /* OK */
1241
1242        }
1243
1244        snd_printdd("Writing Firmware\n");
1245        if (!chip->fw_entry) {
1246                err = request_firmware(&chip->fw_entry, "riptide.hex",
1247                                       &chip->pci->dev);
1248                if (err) {
1249                        snd_printk(KERN_ERR
1250                                   "Riptide: Firmware not available %d\n", err);
1251                        return -EIO;
1252                }
1253        }
1254        err = loadfirmware(cif, chip->fw_entry->data, chip->fw_entry->size);
1255        if (err) {
1256                snd_printk(KERN_ERR
1257                           "Riptide: Could not load firmware %d\n", err);
1258                return err;
1259        }
1260
1261        chip->firmware = firmware;
1262
1263        return 1; /* OK */
1264}
1265
1266static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip)
1267{
1268        union cmdret rptr = CMDRET_ZERO;
1269        int err, tries;
1270
1271        if (!cif)
1272                return -EINVAL;
1273
1274        cif->cmdcnt = 0;
1275        cif->cmdtime = 0;
1276        cif->cmdtimemax = 0;
1277        cif->cmdtimemin = 0xffffffff;
1278        cif->errcnt = 0;
1279        cif->is_reset = 0;
1280
1281        tries = RESET_TRIES;
1282        do {
1283                err = try_to_load_firmware(cif, chip);
1284                if (err < 0)
1285                        return err;
1286        } while (!err && --tries);
1287
1288        SEND_SACR(cif, 0, AC97_RESET);
1289        SEND_RACR(cif, AC97_RESET, &rptr);
1290        snd_printdd("AC97: 0x%x 0x%x\n", rptr.retlongs[0], rptr.retlongs[1]);
1291
1292        SEND_PLST(cif, 0);
1293        SEND_SLST(cif, 0);
1294        SEND_DLST(cif, 0);
1295        SEND_ALST(cif, 0);
1296        SEND_KDMA(cif);
1297
1298        writearm(cif, 0x301F8, 1, 1);
1299        writearm(cif, 0x301F4, 1, 1);
1300
1301        SEND_LSEL(cif, MODEM_CMD, 0, 0, MODEM_INTDEC, MODEM_MERGER,
1302                  MODEM_SPLITTER, MODEM_MIXER);
1303        setmixer(cif, MODEM_MIXER, 0x7fff, 0x7fff);
1304        alloclbuspath(cif, ARM2LBUS_FIFO13, lbus_play_modem, NULL, NULL);
1305
1306        SEND_LSEL(cif, FM_CMD, 0, 0, FM_INTDEC, FM_MERGER, FM_SPLITTER,
1307                  FM_MIXER);
1308        setmixer(cif, FM_MIXER, 0x7fff, 0x7fff);
1309        writearm(cif, 0x30648 + FM_MIXER * 4, 0x01, 0x00000005);
1310        writearm(cif, 0x301A8, 0x02, 0x00000002);
1311        writearm(cif, 0x30264, 0x08, 0xffffffff);
1312        alloclbuspath(cif, OPL3_SAMPLE, lbus_play_opl3, NULL, NULL);
1313
1314        SEND_SSRC(cif, I2S_INTDEC, 48000,
1315                  ((u32) I2S_RATE * 65536) / 48000,
1316                  ((u32) I2S_RATE * 65536) % 48000);
1317        SEND_LSEL(cif, I2S_CMD0, 0, 0, I2S_INTDEC, I2S_MERGER, I2S_SPLITTER,
1318                  I2S_MIXER);
1319        SEND_SI2S(cif, 1);
1320        alloclbuspath(cif, ARM2LBUS_FIFO0, lbus_play_i2s, NULL, NULL);
1321        alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_out, NULL, NULL);
1322        alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_outhp, NULL, NULL);
1323
1324        SET_AIACK(cif->hwport);
1325        SET_AIE(cif->hwport);
1326        SET_AIACK(cif->hwport);
1327        cif->is_reset = 1;
1328
1329        return 0;
1330}
1331
1332static struct snd_pcm_hardware snd_riptide_playback = {
1333        .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1334                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1335                 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1336        .formats =
1337            SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1338            | SNDRV_PCM_FMTBIT_U16_LE,
1339        .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1340        .rate_min = 5500,
1341        .rate_max = 48000,
1342        .channels_min = 1,
1343        .channels_max = 2,
1344        .buffer_bytes_max = (64 * 1024),
1345        .period_bytes_min = PAGE_SIZE >> 1,
1346        .period_bytes_max = PAGE_SIZE << 8,
1347        .periods_min = 2,
1348        .periods_max = 64,
1349        .fifo_size = 0,
1350};
1351static struct snd_pcm_hardware snd_riptide_capture = {
1352        .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1353                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1354                 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1355        .formats =
1356            SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1357            | SNDRV_PCM_FMTBIT_U16_LE,
1358        .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1359        .rate_min = 5500,
1360        .rate_max = 48000,
1361        .channels_min = 1,
1362        .channels_max = 2,
1363        .buffer_bytes_max = (64 * 1024),
1364        .period_bytes_min = PAGE_SIZE >> 1,
1365        .period_bytes_max = PAGE_SIZE << 3,
1366        .periods_min = 2,
1367        .periods_max = 64,
1368        .fifo_size = 0,
1369};
1370
1371static snd_pcm_uframes_t snd_riptide_pointer(struct snd_pcm_substream
1372                                             *substream)
1373{
1374        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1375        struct snd_pcm_runtime *runtime = substream->runtime;
1376        struct pcmhw *data = get_pcmhwdev(substream);
1377        struct cmdif *cif = chip->cif;
1378        union cmdret rptr = CMDRET_ZERO;
1379        snd_pcm_uframes_t ret;
1380
1381        SEND_GPOS(cif, 0, data->id, &rptr);
1382        if (data->size && runtime->period_size) {
1383                snd_printdd
1384                    ("pointer stream %d position 0x%x(0x%x in buffer) bytes 0x%lx(0x%lx in period) frames\n",
1385                     data->id, rptr.retlongs[1], rptr.retlongs[1] % data->size,
1386                     bytes_to_frames(runtime, rptr.retlongs[1]),
1387                     bytes_to_frames(runtime,
1388                                     rptr.retlongs[1]) % runtime->period_size);
1389                if (rptr.retlongs[1] > data->pointer)
1390                        ret =
1391                            bytes_to_frames(runtime,
1392                                            rptr.retlongs[1] % data->size);
1393                else
1394                        ret =
1395                            bytes_to_frames(runtime,
1396                                            data->pointer % data->size);
1397        } else {
1398                snd_printdd("stream not started or strange parms (%d %ld)\n",
1399                            data->size, runtime->period_size);
1400                ret = bytes_to_frames(runtime, 0);
1401        }
1402        return ret;
1403}
1404
1405static int snd_riptide_trigger(struct snd_pcm_substream *substream, int cmd)
1406{
1407        int i, j;
1408        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1409        struct pcmhw *data = get_pcmhwdev(substream);
1410        struct cmdif *cif = chip->cif;
1411        union cmdret rptr = CMDRET_ZERO;
1412
1413        spin_lock(&chip->lock);
1414        switch (cmd) {
1415        case SNDRV_PCM_TRIGGER_START:
1416        case SNDRV_PCM_TRIGGER_RESUME:
1417                if (!(data->state & ST_PLAY)) {
1418                        SEND_SSTR(cif, data->id, data->sgdlist.addr);
1419                        SET_AIE(cif->hwport);
1420                        data->state = ST_PLAY;
1421                        if (data->mixer != 0xff)
1422                                setmixer(cif, data->mixer, 0x7fff, 0x7fff);
1423                        chip->openstreams++;
1424                        data->oldpos = 0;
1425                        data->pointer = 0;
1426                }
1427                break;
1428        case SNDRV_PCM_TRIGGER_STOP:
1429        case SNDRV_PCM_TRIGGER_SUSPEND:
1430                if (data->mixer != 0xff)
1431                        setmixer(cif, data->mixer, 0, 0);
1432                setmixer(cif, data->mixer, 0, 0);
1433                SEND_KSTR(cif, data->id);
1434                data->state = ST_STOP;
1435                chip->openstreams--;
1436                j = 0;
1437                do {
1438                        i = rptr.retlongs[1];
1439                        SEND_GPOS(cif, 0, data->id, &rptr);
1440                        udelay(1);
1441                } while (i != rptr.retlongs[1] && j++ < MAX_WRITE_RETRY);
1442                if (j > MAX_WRITE_RETRY)
1443                        snd_printk(KERN_ERR "Riptide: Could not stop stream!");
1444                break;
1445        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1446                if (!(data->state & ST_PAUSE)) {
1447                        SEND_PSTR(cif, data->id);
1448                        data->state |= ST_PAUSE;
1449                        chip->openstreams--;
1450                }
1451                break;
1452        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1453                if (data->state & ST_PAUSE) {
1454                        SEND_SSTR(cif, data->id, data->sgdlist.addr);
1455                        data->state &= ~ST_PAUSE;
1456                        chip->openstreams++;
1457                }
1458                break;
1459        default:
1460                spin_unlock(&chip->lock);
1461                return -EINVAL;
1462        }
1463        spin_unlock(&chip->lock);
1464        return 0;
1465}
1466
1467static int snd_riptide_prepare(struct snd_pcm_substream *substream)
1468{
1469        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1470        struct snd_pcm_runtime *runtime = substream->runtime;
1471        struct pcmhw *data = get_pcmhwdev(substream);
1472        struct cmdif *cif = chip->cif;
1473        unsigned char *lbuspath = NULL;
1474        unsigned int rate, channels;
1475        int err = 0;
1476        snd_pcm_format_t format;
1477
1478        if (snd_BUG_ON(!cif || !data))
1479                return -EINVAL;
1480
1481        snd_printdd("prepare id %d ch: %d f:0x%x r:%d\n", data->id,
1482                    runtime->channels, runtime->format, runtime->rate);
1483
1484        spin_lock_irq(&chip->lock);
1485        channels = runtime->channels;
1486        format = runtime->format;
1487        rate = runtime->rate;
1488        switch (channels) {
1489        case 1:
1490                if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1491                        lbuspath = data->paths.noconv;
1492                else
1493                        lbuspath = data->paths.mono;
1494                break;
1495        case 2:
1496                if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1497                        lbuspath = data->paths.noconv;
1498                else
1499                        lbuspath = data->paths.stereo;
1500                break;
1501        }
1502        snd_printdd("use sgdlist at 0x%p\n",
1503                    data->sgdlist.area);
1504        if (data->sgdlist.area) {
1505                unsigned int i, j, size, pages, f, pt, period;
1506                struct sgd *c, *p = NULL;
1507
1508                size = frames_to_bytes(runtime, runtime->buffer_size);
1509                period = frames_to_bytes(runtime, runtime->period_size);
1510                f = PAGE_SIZE;
1511                while ((size + (f >> 1) - 1) <= (f << 7) && (f << 1) > period)
1512                        f = f >> 1;
1513                pages = (size + f - 1) / f;
1514                data->size = size;
1515                data->pages = pages;
1516                snd_printdd
1517                    ("create sgd size: 0x%x pages %d of size 0x%x for period 0x%x\n",
1518                     size, pages, f, period);
1519                pt = 0;
1520                j = 0;
1521                for (i = 0; i < pages; i++) {
1522                        unsigned int ofs, addr;
1523                        c = &data->sgdbuf[i];
1524                        if (p)
1525                                p->dwNextLink = cpu_to_le32(data->sgdlist.addr +
1526                                                            (i *
1527                                                             sizeof(struct
1528                                                                    sgd)));
1529                        c->dwNextLink = cpu_to_le32(data->sgdlist.addr);
1530                        ofs = j << PAGE_SHIFT;
1531                        addr = snd_pcm_sgbuf_get_addr(substream, ofs) + pt;
1532                        c->dwSegPtrPhys = cpu_to_le32(addr);
1533                        pt = (pt + f) % PAGE_SIZE;
1534                        if (pt == 0)
1535                                j++;
1536                        c->dwSegLen = cpu_to_le32(f);
1537                        c->dwStat_Ctl =
1538                            cpu_to_le32(IEOB_ENABLE | IEOS_ENABLE |
1539                                        IEOC_ENABLE);
1540                        p = c;
1541                        size -= f;
1542                }
1543                data->sgdbuf[i].dwSegLen = cpu_to_le32(size);
1544        }
1545        if (lbuspath && lbuspath != data->lbuspath) {
1546                if (data->lbuspath)
1547                        freelbuspath(cif, data->source, data->lbuspath);
1548                alloclbuspath(cif, data->source, lbuspath,
1549                              &data->mixer, data->intdec);
1550                data->lbuspath = lbuspath;
1551                data->rate = 0;
1552        }
1553        if (data->rate != rate || data->format != format ||
1554            data->channels != channels) {
1555                data->rate = rate;
1556                data->format = format;
1557                data->channels = channels;
1558                if (setsampleformat
1559                    (cif, data->mixer, data->id, channels, format)
1560                    || setsamplerate(cif, data->intdec, rate))
1561                        err = -EIO;
1562        }
1563        spin_unlock_irq(&chip->lock);
1564        return err;
1565}
1566
1567static int
1568snd_riptide_hw_params(struct snd_pcm_substream *substream,
1569                      struct snd_pcm_hw_params *hw_params)
1570{
1571        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1572        struct pcmhw *data = get_pcmhwdev(substream);
1573        struct snd_dma_buffer *sgdlist = &data->sgdlist;
1574        int err;
1575
1576        snd_printdd("hw params id %d (sgdlist: 0x%p 0x%lx %d)\n", data->id,
1577                    sgdlist->area, (unsigned long)sgdlist->addr,
1578                    (int)sgdlist->bytes);
1579        if (sgdlist->area)
1580                snd_dma_free_pages(sgdlist);
1581        if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
1582                                       snd_dma_pci_data(chip->pci),
1583                                       sizeof(struct sgd) * (DESC_MAX_MASK + 1),
1584                                       sgdlist)) < 0) {
1585                snd_printk(KERN_ERR "Riptide: failed to alloc %d dma bytes\n",
1586                           (int)sizeof(struct sgd) * (DESC_MAX_MASK + 1));
1587                return err;
1588        }
1589        data->sgdbuf = (struct sgd *)sgdlist->area;
1590        return snd_pcm_lib_malloc_pages(substream,
1591                                        params_buffer_bytes(hw_params));
1592}
1593
1594static int snd_riptide_hw_free(struct snd_pcm_substream *substream)
1595{
1596        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1597        struct pcmhw *data = get_pcmhwdev(substream);
1598        struct cmdif *cif = chip->cif;
1599
1600        if (cif && data) {
1601                if (data->lbuspath)
1602                        freelbuspath(cif, data->source, data->lbuspath);
1603                data->lbuspath = NULL;
1604                data->source = 0xff;
1605                data->intdec[0] = 0xff;
1606                data->intdec[1] = 0xff;
1607
1608                if (data->sgdlist.area) {
1609                        snd_dma_free_pages(&data->sgdlist);
1610                        data->sgdlist.area = NULL;
1611                }
1612        }
1613        return snd_pcm_lib_free_pages(substream);
1614}
1615
1616static int snd_riptide_playback_open(struct snd_pcm_substream *substream)
1617{
1618        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1619        struct snd_pcm_runtime *runtime = substream->runtime;
1620        struct pcmhw *data;
1621        int sub_num = substream->number;
1622
1623        chip->playback_substream[sub_num] = substream;
1624        runtime->hw = snd_riptide_playback;
1625
1626        data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1627        if (data == NULL)
1628                return -ENOMEM;
1629        data->paths = lbus_play_paths[sub_num];
1630        data->id = play_ids[sub_num];
1631        data->source = play_sources[sub_num];
1632        data->intdec[0] = 0xff;
1633        data->intdec[1] = 0xff;
1634        data->state = ST_STOP;
1635        runtime->private_data = data;
1636        return snd_pcm_hw_constraint_integer(runtime,
1637                                             SNDRV_PCM_HW_PARAM_PERIODS);
1638}
1639
1640static int snd_riptide_capture_open(struct snd_pcm_substream *substream)
1641{
1642        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1643        struct snd_pcm_runtime *runtime = substream->runtime;
1644        struct pcmhw *data;
1645
1646        chip->capture_substream = substream;
1647        runtime->hw = snd_riptide_capture;
1648
1649        data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1650        if (data == NULL)
1651                return -ENOMEM;
1652        data->paths = lbus_rec_path;
1653        data->id = PADC;
1654        data->source = ACLNK2PADC;
1655        data->intdec[0] = 0xff;
1656        data->intdec[1] = 0xff;
1657        data->state = ST_STOP;
1658        runtime->private_data = data;
1659        return snd_pcm_hw_constraint_integer(runtime,
1660                                             SNDRV_PCM_HW_PARAM_PERIODS);
1661}
1662
1663static int snd_riptide_playback_close(struct snd_pcm_substream *substream)
1664{
1665        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1666        struct pcmhw *data = get_pcmhwdev(substream);
1667        int sub_num = substream->number;
1668
1669        substream->runtime->private_data = NULL;
1670        chip->playback_substream[sub_num] = NULL;
1671        kfree(data);
1672        return 0;
1673}
1674
1675static int snd_riptide_capture_close(struct snd_pcm_substream *substream)
1676{
1677        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1678        struct pcmhw *data = get_pcmhwdev(substream);
1679
1680        substream->runtime->private_data = NULL;
1681        chip->capture_substream = NULL;
1682        kfree(data);
1683        return 0;
1684}
1685
1686static struct snd_pcm_ops snd_riptide_playback_ops = {
1687        .open = snd_riptide_playback_open,
1688        .close = snd_riptide_playback_close,
1689        .ioctl = snd_pcm_lib_ioctl,
1690        .hw_params = snd_riptide_hw_params,
1691        .hw_free = snd_riptide_hw_free,
1692        .prepare = snd_riptide_prepare,
1693        .page = snd_pcm_sgbuf_ops_page,
1694        .trigger = snd_riptide_trigger,
1695        .pointer = snd_riptide_pointer,
1696};
1697static struct snd_pcm_ops snd_riptide_capture_ops = {
1698        .open = snd_riptide_capture_open,
1699        .close = snd_riptide_capture_close,
1700        .ioctl = snd_pcm_lib_ioctl,
1701        .hw_params = snd_riptide_hw_params,
1702        .hw_free = snd_riptide_hw_free,
1703        .prepare = snd_riptide_prepare,
1704        .page = snd_pcm_sgbuf_ops_page,
1705        .trigger = snd_riptide_trigger,
1706        .pointer = snd_riptide_pointer,
1707};
1708
1709static int __devinit
1710snd_riptide_pcm(struct snd_riptide *chip, int device, struct snd_pcm **rpcm)
1711{
1712        struct snd_pcm *pcm;
1713        int err;
1714
1715        if (rpcm)
1716                *rpcm = NULL;
1717        if ((err =
1718             snd_pcm_new(chip->card, "RIPTIDE", device, PLAYBACK_SUBSTREAMS, 1,
1719                         &pcm)) < 0)
1720                return err;
1721        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1722                        &snd_riptide_playback_ops);
1723        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1724                        &snd_riptide_capture_ops);
1725        pcm->private_data = chip;
1726        pcm->info_flags = 0;
1727        strcpy(pcm->name, "RIPTIDE");
1728        chip->pcm = pcm;
1729        snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1730                                              snd_dma_pci_data(chip->pci),
1731                                              64 * 1024, 128 * 1024);
1732        if (rpcm)
1733                *rpcm = pcm;
1734        return 0;
1735}
1736
1737static irqreturn_t
1738snd_riptide_interrupt(int irq, void *dev_id)
1739{
1740        struct snd_riptide *chip = dev_id;
1741        struct cmdif *cif = chip->cif;
1742
1743        if (cif) {
1744                chip->received_irqs++;
1745                if (IS_EOBIRQ(cif->hwport) || IS_EOSIRQ(cif->hwport) ||
1746                    IS_EOCIRQ(cif->hwport)) {
1747                        chip->handled_irqs++;
1748                        tasklet_schedule(&chip->riptide_tq);
1749                }
1750                if (chip->rmidi && IS_MPUIRQ(cif->hwport)) {
1751                        chip->handled_irqs++;
1752                        snd_mpu401_uart_interrupt(irq,
1753                                                  chip->rmidi->private_data);
1754                }
1755                SET_AIACK(cif->hwport);
1756        }
1757        return IRQ_HANDLED;
1758}
1759
1760static void
1761snd_riptide_codec_write(struct snd_ac97 *ac97, unsigned short reg,
1762                        unsigned short val)
1763{
1764        struct snd_riptide *chip = ac97->private_data;
1765        struct cmdif *cif = chip->cif;
1766        union cmdret rptr = CMDRET_ZERO;
1767        int i = 0;
1768
1769        if (snd_BUG_ON(!cif))
1770                return;
1771
1772        snd_printdd("Write AC97 reg 0x%x 0x%x\n", reg, val);
1773        do {
1774                SEND_SACR(cif, val, reg);
1775                SEND_RACR(cif, reg, &rptr);
1776        } while (rptr.retwords[1] != val && i++ < MAX_WRITE_RETRY);
1777        if (i > MAX_WRITE_RETRY)
1778                snd_printdd("Write AC97 reg failed\n");
1779}
1780
1781static unsigned short snd_riptide_codec_read(struct snd_ac97 *ac97,
1782                                             unsigned short reg)
1783{
1784        struct snd_riptide *chip = ac97->private_data;
1785        struct cmdif *cif = chip->cif;
1786        union cmdret rptr = CMDRET_ZERO;
1787
1788        if (snd_BUG_ON(!cif))
1789                return 0;
1790
1791        if (SEND_RACR(cif, reg, &rptr) != 0)
1792                SEND_RACR(cif, reg, &rptr);
1793        snd_printdd("Read AC97 reg 0x%x got 0x%x\n", reg, rptr.retwords[1]);
1794        return rptr.retwords[1];
1795}
1796
1797static int snd_riptide_initialize(struct snd_riptide *chip)
1798{
1799        struct cmdif *cif;
1800        unsigned int device_id;
1801        int err;
1802
1803        if (snd_BUG_ON(!chip))
1804                return -EINVAL;
1805
1806        cif = chip->cif;
1807        if (!cif) {
1808                if ((cif = kzalloc(sizeof(struct cmdif), GFP_KERNEL)) == NULL)
1809                        return -ENOMEM;
1810                cif->hwport = (struct riptideport *)chip->port;
1811                spin_lock_init(&cif->lock);
1812                chip->cif = cif;
1813        }
1814        cif->is_reset = 0;
1815        if ((err = riptide_reset(cif, chip)) != 0)
1816                return err;
1817        device_id = chip->device_id;
1818        switch (device_id) {
1819        case 0x4310:
1820        case 0x4320:
1821        case 0x4330:
1822                snd_printdd("Modem enable?\n");
1823                SEND_SETDPLL(cif);
1824                break;
1825        }
1826        snd_printdd("Enabling MPU IRQs\n");
1827        if (chip->rmidi)
1828                SET_EMPUIRQ(cif->hwport);
1829        return err;
1830}
1831
1832static int snd_riptide_free(struct snd_riptide *chip)
1833{
1834        struct cmdif *cif;
1835
1836        if (!chip)
1837                return 0;
1838
1839        if ((cif = chip->cif)) {
1840                SET_GRESET(cif->hwport);
1841                udelay(100);
1842                UNSET_GRESET(cif->hwport);
1843                kfree(chip->cif);
1844        }
1845        if (chip->irq >= 0)
1846                free_irq(chip->irq, chip);
1847        release_firmware(chip->fw_entry);
1848        release_and_free_resource(chip->res_port);
1849        kfree(chip);
1850        return 0;
1851}
1852
1853static int snd_riptide_dev_free(struct snd_device *device)
1854{
1855        struct snd_riptide *chip = device->device_data;
1856
1857        return snd_riptide_free(chip);
1858}
1859
1860static int __devinit
1861snd_riptide_create(struct snd_card *card, struct pci_dev *pci,
1862                   struct snd_riptide **rchip)
1863{
1864        struct snd_riptide *chip;
1865        struct riptideport *hwport;
1866        int err;
1867        static struct snd_device_ops ops = {
1868                .dev_free = snd_riptide_dev_free,
1869        };
1870
1871        *rchip = NULL;
1872        if ((err = pci_enable_device(pci)) < 0)
1873                return err;
1874        if (!(chip = kzalloc(sizeof(struct snd_riptide), GFP_KERNEL)))
1875                return -ENOMEM;
1876
1877        spin_lock_init(&chip->lock);
1878        chip->card = card;
1879        chip->pci = pci;
1880        chip->irq = -1;
1881        chip->openstreams = 0;
1882        chip->port = pci_resource_start(pci, 0);
1883        chip->received_irqs = 0;
1884        chip->handled_irqs = 0;
1885        chip->cif = NULL;
1886        tasklet_init(&chip->riptide_tq, riptide_handleirq, (unsigned long)chip);
1887
1888        if ((chip->res_port =
1889             request_region(chip->port, 64, "RIPTIDE")) == NULL) {
1890                snd_printk(KERN_ERR
1891                           "Riptide: unable to grab region 0x%lx-0x%lx\n",
1892                           chip->port, chip->port + 64 - 1);
1893                snd_riptide_free(chip);
1894                return -EBUSY;
1895        }
1896        hwport = (struct riptideport *)chip->port;
1897        UNSET_AIE(hwport);
1898
1899        if (request_irq(pci->irq, snd_riptide_interrupt, IRQF_SHARED,
1900                        KBUILD_MODNAME, chip)) {
1901                snd_printk(KERN_ERR "Riptide: unable to grab IRQ %d\n",
1902                           pci->irq);
1903                snd_riptide_free(chip);
1904                return -EBUSY;
1905        }
1906        chip->irq = pci->irq;
1907        chip->device_id = pci->device;
1908        pci_set_master(pci);
1909        if ((err = snd_riptide_initialize(chip)) < 0) {
1910                snd_riptide_free(chip);
1911                return err;
1912        }
1913
1914        if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1915                snd_riptide_free(chip);
1916                return err;
1917        }
1918
1919        snd_card_set_dev(card, &pci->dev);
1920
1921        *rchip = chip;
1922        return 0;
1923}
1924
1925static void
1926snd_riptide_proc_read(struct snd_info_entry *entry,
1927                      struct snd_info_buffer *buffer)
1928{
1929        struct snd_riptide *chip = entry->private_data;
1930        struct pcmhw *data;
1931        int i;
1932        struct cmdif *cif = NULL;
1933        unsigned char p[256];
1934        unsigned short rval = 0, lval = 0;
1935        unsigned int rate;
1936
1937        if (!chip)
1938                return;
1939
1940        snd_iprintf(buffer, "%s\n\n", chip->card->longname);
1941        snd_iprintf(buffer, "Device ID: 0x%x\nReceived IRQs: (%ld)%ld\nPorts:",
1942                    chip->device_id, chip->handled_irqs, chip->received_irqs);
1943        for (i = 0; i < 64; i += 4)
1944                snd_iprintf(buffer, "%c%02x: %08x",
1945                            (i % 16) ? ' ' : '\n', i, inl(chip->port + i));
1946        if ((cif = chip->cif)) {
1947                snd_iprintf(buffer,
1948                            "\nVersion: ASIC: %d CODEC: %d AUXDSP: %d PROG: %d",
1949                            chip->firmware.firmware.ASIC,
1950                            chip->firmware.firmware.CODEC,
1951                            chip->firmware.firmware.AUXDSP,
1952                            chip->firmware.firmware.PROG);
1953                snd_iprintf(buffer, "\nDigital mixer:");
1954                for (i = 0; i < 12; i++) {
1955                        getmixer(cif, i, &rval, &lval);
1956                        snd_iprintf(buffer, "\n %d: %d %d", i, rval, lval);
1957                }
1958                snd_iprintf(buffer,
1959                            "\nARM Commands num: %d failed: %d time: %d max: %d min: %d",
1960                            cif->cmdcnt, cif->errcnt,
1961                            cif->cmdtime, cif->cmdtimemax, cif->cmdtimemin);
1962        }
1963        snd_iprintf(buffer, "\nOpen streams %d:\n", chip->openstreams);
1964        for (i = 0; i < PLAYBACK_SUBSTREAMS; i++) {
1965                if (chip->playback_substream[i]
1966                    && chip->playback_substream[i]->runtime
1967                    && (data =
1968                        chip->playback_substream[i]->runtime->private_data)) {
1969                        snd_iprintf(buffer,
1970                                    "stream: %d mixer: %d source: %d (%d,%d)\n",
1971                                    data->id, data->mixer, data->source,
1972                                    data->intdec[0], data->intdec[1]);
1973                        if (!(getsamplerate(cif, data->intdec, &rate)))
1974                                snd_iprintf(buffer, "rate: %d\n", rate);
1975                }
1976        }
1977        if (chip->capture_substream
1978            && chip->capture_substream->runtime
1979            && (data = chip->capture_substream->runtime->private_data)) {
1980                snd_iprintf(buffer,
1981                            "stream: %d mixer: %d source: %d (%d,%d)\n",
1982                            data->id, data->mixer,
1983                            data->source, data->intdec[0], data->intdec[1]);
1984                if (!(getsamplerate(cif, data->intdec, &rate)))
1985                        snd_iprintf(buffer, "rate: %d\n", rate);
1986        }
1987        snd_iprintf(buffer, "Paths:\n");
1988        i = getpaths(cif, p);
1989        while (i >= 2) {
1990                i -= 2;
1991                snd_iprintf(buffer, "%x->%x ", p[i], p[i + 1]);
1992        }
1993        snd_iprintf(buffer, "\n");
1994}
1995
1996static void __devinit snd_riptide_proc_init(struct snd_riptide *chip)
1997{
1998        struct snd_info_entry *entry;
1999
2000        if (!snd_card_proc_new(chip->card, "riptide", &entry))
2001                snd_info_set_text_ops(entry, chip, snd_riptide_proc_read);
2002}
2003
2004static int __devinit snd_riptide_mixer(struct snd_riptide *chip)
2005{
2006        struct snd_ac97_bus *pbus;
2007        struct snd_ac97_template ac97;
2008        int err = 0;
2009        static struct snd_ac97_bus_ops ops = {
2010                .write = snd_riptide_codec_write,
2011                .read = snd_riptide_codec_read,
2012        };
2013
2014        memset(&ac97, 0, sizeof(ac97));
2015        ac97.private_data = chip;
2016        ac97.scaps = AC97_SCAP_SKIP_MODEM;
2017
2018        if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0)
2019                return err;
2020
2021        chip->ac97_bus = pbus;
2022        ac97.pci = chip->pci;
2023        if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97)) < 0)
2024                return err;
2025        return err;
2026}
2027
2028#ifdef SUPPORT_JOYSTICK
2029
2030static int __devinit
2031snd_riptide_joystick_probe(struct pci_dev *pci, const struct pci_device_id *id)
2032{
2033        static int dev;
2034        struct gameport *gameport;
2035
2036        if (dev >= SNDRV_CARDS)
2037                return -ENODEV;
2038        if (!enable[dev]) {
2039                dev++;
2040                return -ENOENT;
2041        }
2042
2043        if (!joystick_port[dev++])
2044                return 0;
2045
2046        gameport = gameport_allocate_port();
2047        if (!gameport)
2048                return -ENOMEM;
2049        if (!request_region(joystick_port[dev], 8, "Riptide gameport")) {
2050                snd_printk(KERN_WARNING
2051                           "Riptide: cannot grab gameport 0x%x\n",
2052                           joystick_port[dev]);
2053                gameport_free_port(gameport);
2054                return -EBUSY;
2055        }
2056
2057        gameport->io = joystick_port[dev];
2058        gameport_register_port(gameport);
2059        pci_set_drvdata(pci, gameport);
2060        return 0;
2061}
2062
2063static void __devexit snd_riptide_joystick_remove(struct pci_dev *pci)
2064{
2065        struct gameport *gameport = pci_get_drvdata(pci);
2066        if (gameport) {
2067                release_region(gameport->io, 8);
2068                gameport_unregister_port(gameport);
2069                pci_set_drvdata(pci, NULL);
2070        }
2071}
2072#endif
2073
2074static int __devinit
2075snd_card_riptide_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2076{
2077        static int dev;
2078        struct snd_card *card;
2079        struct snd_riptide *chip;
2080        unsigned short val;
2081        int err;
2082
2083        if (dev >= SNDRV_CARDS)
2084                return -ENODEV;
2085        if (!enable[dev]) {
2086                dev++;
2087                return -ENOENT;
2088        }
2089
2090        err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
2091        if (err < 0)
2092                return err;
2093        err = snd_riptide_create(card, pci, &chip);
2094        if (err < 0)
2095                goto error;
2096        card->private_data = chip;
2097        err = snd_riptide_pcm(chip, 0, NULL);
2098        if (err < 0)
2099                goto error;
2100        err = snd_riptide_mixer(chip);
2101        if (err < 0)
2102                goto error;
2103
2104        val = LEGACY_ENABLE_ALL;
2105        if (opl3_port[dev])
2106                val |= LEGACY_ENABLE_FM;
2107#ifdef SUPPORT_JOYSTICK
2108        if (joystick_port[dev])
2109                val |= LEGACY_ENABLE_GAMEPORT;
2110#endif
2111        if (mpu_port[dev])
2112                val |= LEGACY_ENABLE_MPU_INT | LEGACY_ENABLE_MPU;
2113        val |= (chip->irq << 4) & 0xf0;
2114        pci_write_config_word(chip->pci, PCI_EXT_Legacy_Mask, val);
2115        if (mpu_port[dev]) {
2116                val = mpu_port[dev];
2117                pci_write_config_word(chip->pci, PCI_EXT_MPU_Base, val);
2118                err = snd_mpu401_uart_new(card, 0, MPU401_HW_RIPTIDE,
2119                                          val, MPU401_INFO_IRQ_HOOK, -1,
2120                                          &chip->rmidi);
2121                if (err < 0)
2122                        snd_printk(KERN_WARNING
2123                                   "Riptide: Can't Allocate MPU at 0x%x\n",
2124                                   val);
2125                else
2126                        chip->mpuaddr = val;
2127        }
2128        if (opl3_port[dev]) {
2129                val = opl3_port[dev];
2130                pci_write_config_word(chip->pci, PCI_EXT_FM_Base, val);
2131                err = snd_opl3_create(card, val, val + 2,
2132                                      OPL3_HW_RIPTIDE, 0, &chip->opl3);
2133                if (err < 0)
2134                        snd_printk(KERN_WARNING
2135                                   "Riptide: Can't Allocate OPL3 at 0x%x\n",
2136                                   val);
2137                else {
2138                        chip->opladdr = val;
2139                        err = snd_opl3_hwdep_new(chip->opl3, 0, 1, NULL);
2140                        if (err < 0)
2141                                snd_printk(KERN_WARNING
2142                                           "Riptide: Can't Allocate OPL3-HWDEP\n");
2143                }
2144        }
2145#ifdef SUPPORT_JOYSTICK
2146        if (joystick_port[dev]) {
2147                val = joystick_port[dev];
2148                pci_write_config_word(chip->pci, PCI_EXT_Game_Base, val);
2149                chip->gameaddr = val;
2150        }
2151#endif
2152
2153        strcpy(card->driver, "RIPTIDE");
2154        strcpy(card->shortname, "Riptide");
2155#ifdef SUPPORT_JOYSTICK
2156        snprintf(card->longname, sizeof(card->longname),
2157                 "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x gameport 0x%x",
2158                 card->shortname, chip->port, chip->irq, chip->mpuaddr,
2159                 chip->opladdr, chip->gameaddr);
2160#else
2161        snprintf(card->longname, sizeof(card->longname),
2162                 "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x",
2163                 card->shortname, chip->port, chip->irq, chip->mpuaddr,
2164                 chip->opladdr);
2165#endif
2166        snd_riptide_proc_init(chip);
2167        err = snd_card_register(card);
2168        if (err < 0)
2169                goto error;
2170        pci_set_drvdata(pci, card);
2171        dev++;
2172        return 0;
2173
2174 error:
2175        snd_card_free(card);
2176        return err;
2177}
2178
2179static void __devexit snd_card_riptide_remove(struct pci_dev *pci)
2180{
2181        snd_card_free(pci_get_drvdata(pci));
2182        pci_set_drvdata(pci, NULL);
2183}
2184
2185static struct pci_driver driver = {
2186        .name = KBUILD_MODNAME,
2187        .id_table = snd_riptide_ids,
2188        .probe = snd_card_riptide_probe,
2189        .remove = __devexit_p(snd_card_riptide_remove),
2190        .driver = {
2191                .pm = RIPTIDE_PM_OPS,
2192        },
2193};
2194
2195#ifdef SUPPORT_JOYSTICK
2196static struct pci_driver joystick_driver = {
2197        .name = KBUILD_MODNAME "-joystick",
2198        .id_table = snd_riptide_joystick_ids,
2199        .probe = snd_riptide_joystick_probe,
2200        .remove = __devexit_p(snd_riptide_joystick_remove),
2201};
2202#endif
2203
2204static int __init alsa_card_riptide_init(void)
2205{
2206        int err;
2207        err = pci_register_driver(&driver);
2208        if (err < 0)
2209                return err;
2210#if defined(SUPPORT_JOYSTICK)
2211        err = pci_register_driver(&joystick_driver);
2212        /* On failure unregister formerly registered audio driver */
2213        if (err < 0)
2214                pci_unregister_driver(&driver);
2215#endif
2216        return err;
2217}
2218
2219static void __exit alsa_card_riptide_exit(void)
2220{
2221        pci_unregister_driver(&driver);
2222#if defined(SUPPORT_JOYSTICK)
2223        pci_unregister_driver(&joystick_driver);
2224#endif
2225}
2226
2227module_init(alsa_card_riptide_init);
2228module_exit(alsa_card_riptide_exit);
2229