sound/pci/riptide/riptide.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *   Driver for the Conexant Riptide Soundchip
   4  *
   5  *      Copyright (c) 2004 Peter Gruber <nokos@gmx.net>
   6  */
   7 /*
   8   History:
   9    - 02/15/2004 first release
  10
  11   This Driver is based on the OSS Driver version from Linuxant (riptide-0.6lnxtbeta03111100)
  12   credits from the original files:
  13
  14   MODULE NAME:        cnxt_rt.h
  15   AUTHOR:             K. Lazarev  (Transcribed by KNL)
  16   HISTORY:         Major Revision               Date        By
  17             -----------------------------     --------     -----
  18             Created                           02/1/2000     KNL
  19
  20   MODULE NAME:     int_mdl.c
  21   AUTHOR:          Konstantin Lazarev    (Transcribed by KNL)
  22   HISTORY:         Major Revision               Date        By
  23             -----------------------------     --------     -----
  24             Created                           10/01/99      KNL
  25
  26   MODULE NAME:        riptide.h
  27   AUTHOR:             O. Druzhinin  (Transcribed by OLD)
  28   HISTORY:         Major Revision               Date        By
  29             -----------------------------     --------     -----
  30             Created                           10/16/97      OLD
  31
  32   MODULE NAME:        Rp_Cmdif.cpp
  33   AUTHOR:             O. Druzhinin  (Transcribed by OLD)
  34                       K. Lazarev    (Transcribed by KNL)
  35   HISTORY:         Major Revision               Date        By
  36             -----------------------------     --------     -----
  37             Adopted from NT4 driver            6/22/99      OLD
  38             Ported to Linux                    9/01/99      KNL
  39
  40   MODULE NAME:        rt_hw.c
  41   AUTHOR:             O. Druzhinin  (Transcribed by OLD)
  42                       C. Lazarev    (Transcribed by CNL)
  43   HISTORY:         Major Revision               Date        By
  44             -----------------------------     --------     -----
  45             Created                           11/18/97      OLD
  46             Hardware functions for RipTide    11/24/97      CNL
  47             (ES1) are coded
  48             Hardware functions for RipTide    12/24/97      CNL
  49             (A0) are coded
  50             Hardware functions for RipTide    03/20/98      CNL
  51             (A1) are coded
  52             Boot loader is included           05/07/98      CNL
  53             Redesigned for WDM                07/27/98      CNL
  54             Redesigned for Linux              09/01/99      CNL
  55
  56   MODULE NAME:        rt_hw.h
  57   AUTHOR:             C. Lazarev    (Transcribed by CNL)
  58   HISTORY:         Major Revision               Date        By
  59             -----------------------------     --------     -----
  60             Created                           11/18/97      CNL
  61
  62   MODULE NAME:     rt_mdl.c
  63   AUTHOR:          Konstantin Lazarev    (Transcribed by KNL)
  64   HISTORY:         Major Revision               Date        By
  65             -----------------------------     --------     -----
  66             Created                           10/01/99      KNL
  67
  68   MODULE NAME:        mixer.h
  69   AUTHOR:             K. Kenney
  70   HISTORY:         Major Revision                   Date          By
  71             -----------------------------          --------     -----
  72             Created from MS W95 Sample             11/28/95      KRS
  73             RipTide                                10/15/97      KRS
  74             Adopted for Windows NT driver          01/20/98      CNL
  75 */
  76
  77 #include <linux/delay.h>
  78 #include <linux/init.h>
  79 #include <linux/interrupt.h>
  80 #include <linux/pci.h>
  81 #include <linux/slab.h>
  82 #include <linux/wait.h>
  83 #include <linux/gameport.h>
  84 #include <linux/device.h>
  85 #include <linux/firmware.h>
  86 #include <linux/kernel.h>
  87 #include <linux/module.h>
  88 #include <linux/io.h>
  89 #include <sound/core.h>
  90 #include <sound/info.h>
  91 #include <sound/control.h>
  92 #include <sound/pcm.h>
  93 #include <sound/pcm_params.h>
  94 #include <sound/ac97_codec.h>
  95 #include <sound/mpu401.h>
  96 #include <sound/opl3.h>
  97 #include <sound/initval.h>
  98
  99 #if IS_REACHABLE(CONFIG_GAMEPORT)
 100 #define SUPPORT_JOYSTICK 1
 101 #endif
 102
 103 MODULE_AUTHOR("Peter Gruber <nokos@gmx.net>");
 104 MODULE_DESCRIPTION("riptide");
 105 MODULE_LICENSE("GPL");
 106 MODULE_SUPPORTED_DEVICE("{{Conexant,Riptide}}");
 107 /*(DEBLOBBED)*/
 108
 109 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
 110 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
 111 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
 112
 113 #ifdef SUPPORT_JOYSTICK
 114 static int joystick_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x200 };
 115 #endif
 116 static int mpu_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x330 };
 117 static int opl3_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x388 };
 118
 119 module_param_array(index, int, NULL, 0444);
 120 MODULE_PARM_DESC(index, "Index value for Riptide soundcard.");
 121 module_param_array(id, charp, NULL, 0444);
 122 MODULE_PARM_DESC(id, "ID string for Riptide soundcard.");
 123 module_param_array(enable, bool, NULL, 0444);
 124 MODULE_PARM_DESC(enable, "Enable Riptide soundcard.");
 125 #ifdef SUPPORT_JOYSTICK
 126 module_param_hw_array(joystick_port, int, ioport, NULL, 0444);
 127 MODULE_PARM_DESC(joystick_port, "Joystick port # for Riptide soundcard.");
 128 #endif
 129 module_param_hw_array(mpu_port, int, ioport, NULL, 0444);
 130 MODULE_PARM_DESC(mpu_port, "MPU401 port # for Riptide driver.");
 131 module_param_hw_array(opl3_port, int, ioport, NULL, 0444);
 132 MODULE_PARM_DESC(opl3_port, "OPL3 port # for Riptide driver.");
 133
 134 /*
 135  */
 136
 137 #define MPU401_HW_RIPTIDE MPU401_HW_MPU401
 138 #define OPL3_HW_RIPTIDE   OPL3_HW_OPL3
 139
 140 #define PCI_EXT_CapId       0x40
 141 #define PCI_EXT_NextCapPrt  0x41
 142 #define PCI_EXT_PWMC        0x42
 143 #define PCI_EXT_PWSCR       0x44
 144 #define PCI_EXT_Data00      0x46
 145 #define PCI_EXT_PMSCR_BSE   0x47
 146 #define PCI_EXT_SB_Base     0x48
 147 #define PCI_EXT_FM_Base     0x4a
 148 #define PCI_EXT_MPU_Base    0x4C
 149 #define PCI_EXT_Game_Base   0x4E
 150 #define PCI_EXT_Legacy_Mask 0x50
 151 #define PCI_EXT_AsicRev     0x52
 152 #define PCI_EXT_Reserved3   0x53
 153
 154 #define LEGACY_ENABLE_ALL      0x8000   /* legacy device options */
 155 #define LEGACY_ENABLE_SB       0x4000
 156 #define LEGACY_ENABLE_FM       0x2000
 157 #define LEGACY_ENABLE_MPU_INT  0x1000
 158 #define LEGACY_ENABLE_MPU      0x0800
 159 #define LEGACY_ENABLE_GAMEPORT 0x0400
 160
 161 #define MAX_WRITE_RETRY  10     /* cmd interface limits */
 162 #define MAX_ERROR_COUNT  10
 163 #define CMDIF_TIMEOUT    50000
 164 #define RESET_TRIES      5
 165
 166 #define READ_PORT_ULONG(p)     inl((unsigned long)&(p))
 167 #define WRITE_PORT_ULONG(p,x)  outl(x,(unsigned long)&(p))
 168
 169 #define READ_AUDIO_CONTROL(p)     READ_PORT_ULONG(p->audio_control)
 170 #define WRITE_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,x)
 171 #define UMASK_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)|x)
 172 #define MASK_AUDIO_CONTROL(p,x)   WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)&x)
 173 #define READ_AUDIO_STATUS(p)      READ_PORT_ULONG(p->audio_status)
 174
 175 #define SET_GRESET(p)     UMASK_AUDIO_CONTROL(p,0x0001) /* global reset switch */
 176 #define UNSET_GRESET(p)   MASK_AUDIO_CONTROL(p,~0x0001)
 177 #define SET_AIE(p)        UMASK_AUDIO_CONTROL(p,0x0004) /* interrupt enable */
 178 #define UNSET_AIE(p)      MASK_AUDIO_CONTROL(p,~0x0004)
 179 #define SET_AIACK(p)      UMASK_AUDIO_CONTROL(p,0x0008) /* interrupt acknowledge */
 180 #define UNSET_AIACKT(p)   MASKAUDIO_CONTROL(p,~0x0008)
 181 #define SET_ECMDAE(p)     UMASK_AUDIO_CONTROL(p,0x0010)
 182 #define UNSET_ECMDAE(p)   MASK_AUDIO_CONTROL(p,~0x0010)
 183 #define SET_ECMDBE(p)     UMASK_AUDIO_CONTROL(p,0x0020)
 184 #define UNSET_ECMDBE(p)   MASK_AUDIO_CONTROL(p,~0x0020)
 185 #define SET_EDATAF(p)     UMASK_AUDIO_CONTROL(p,0x0040)
 186 #define UNSET_EDATAF(p)   MASK_AUDIO_CONTROL(p,~0x0040)
 187 #define SET_EDATBF(p)     UMASK_AUDIO_CONTROL(p,0x0080)
 188 #define UNSET_EDATBF(p)   MASK_AUDIO_CONTROL(p,~0x0080)
 189 #define SET_ESBIRQON(p)   UMASK_AUDIO_CONTROL(p,0x0100)
 190 #define UNSET_ESBIRQON(p) MASK_AUDIO_CONTROL(p,~0x0100)
 191 #define SET_EMPUIRQ(p)    UMASK_AUDIO_CONTROL(p,0x0200)
 192 #define UNSET_EMPUIRQ(p)  MASK_AUDIO_CONTROL(p,~0x0200)
 193 #define IS_CMDE(a)        (READ_PORT_ULONG(a->stat)&0x1)        /* cmd empty */
 194 #define IS_DATF(a)        (READ_PORT_ULONG(a->stat)&0x2)        /* data filled */
 195 #define IS_READY(p)       (READ_AUDIO_STATUS(p)&0x0001)
 196 #define IS_DLREADY(p)     (READ_AUDIO_STATUS(p)&0x0002)
 197 #define IS_DLERR(p)       (READ_AUDIO_STATUS(p)&0x0004)
 198 #define IS_GERR(p)        (READ_AUDIO_STATUS(p)&0x0008) /* error ! */
 199 #define IS_CMDAEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0010)
 200 #define IS_CMDBEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0020)
 201 #define IS_DATAFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0040)
 202 #define IS_DATBFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0080)
 203 #define IS_EOBIRQ(p)      (READ_AUDIO_STATUS(p)&0x0100) /* interrupt status */
 204 #define IS_EOSIRQ(p)      (READ_AUDIO_STATUS(p)&0x0200)
 205 #define IS_EOCIRQ(p)      (READ_AUDIO_STATUS(p)&0x0400)
 206 #define IS_UNSLIRQ(p)     (READ_AUDIO_STATUS(p)&0x0800)
 207 #define IS_SBIRQ(p)       (READ_AUDIO_STATUS(p)&0x1000)
 208 #define IS_MPUIRQ(p)      (READ_AUDIO_STATUS(p)&0x2000)
 209
 210 #define RESP 0x00000001         /* command flags */
 211 #define PARM 0x00000002
 212 #define CMDA 0x00000004
 213 #define CMDB 0x00000008
 214 #define NILL 0x00000000
 215
 216 #define LONG0(a)   ((u32)a)     /* shifts and masks */
 217 #define BYTE0(a)   (LONG0(a)&0xff)
 218 #define BYTE1(a)   (BYTE0(a)<<8)
 219 #define BYTE2(a)   (BYTE0(a)<<16)
 220 #define BYTE3(a)   (BYTE0(a)<<24)
 221 #define WORD0(a)   (LONG0(a)&0xffff)
 222 #define WORD1(a)   (WORD0(a)<<8)
 223 #define WORD2(a)   (WORD0(a)<<16)
 224 #define TRINIB0(a) (LONG0(a)&0xffffff)
 225 #define TRINIB1(a) (TRINIB0(a)<<8)
 226
 227 #define RET(a)     ((union cmdret *)(a))
 228
 229 #define SEND_GETV(p,b)             sendcmd(p,RESP,GETV,0,RET(b))        /* get version */
 230 #define SEND_GETC(p,b,c)           sendcmd(p,PARM|RESP,GETC,c,RET(b))
 231 #define SEND_GUNS(p,b)             sendcmd(p,RESP,GUNS,0,RET(b))
 232 #define SEND_SCID(p,b)             sendcmd(p,RESP,SCID,0,RET(b))
 233 #define SEND_RMEM(p,b,c,d)         sendcmd(p,PARM|RESP,RMEM|BYTE1(b),LONG0(c),RET(d))   /* memory access for firmware write */
 234 #define SEND_SMEM(p,b,c)           sendcmd(p,PARM,SMEM|BYTE1(b),LONG0(c),RET(0))        /* memory access for firmware write */
 235 #define SEND_WMEM(p,b,c)           sendcmd(p,PARM,WMEM|BYTE1(b),LONG0(c),RET(0))        /* memory access for firmware write */
 236 #define SEND_SDTM(p,b,c)           sendcmd(p,PARM|RESP,SDTM|TRINIB1(b),0,RET(c))        /* memory access for firmware write */
 237 #define SEND_GOTO(p,b)             sendcmd(p,PARM,GOTO,LONG0(b),RET(0)) /* memory access for firmware write */
 238 #define SEND_SETDPLL(p)            sendcmd(p,0,ARM_SETDPLL,0,RET(0))
 239 #define SEND_SSTR(p,b,c)           sendcmd(p,PARM,SSTR|BYTE3(b),LONG0(c),RET(0))        /* start stream */
 240 #define SEND_PSTR(p,b)             sendcmd(p,PARM,PSTR,BYTE3(b),RET(0)) /* pause stream */
 241 #define SEND_KSTR(p,b)             sendcmd(p,PARM,KSTR,BYTE3(b),RET(0)) /* stop stream */
 242 #define SEND_KDMA(p)               sendcmd(p,0,KDMA,0,RET(0))   /* stop all dma */
 243 #define SEND_GPOS(p,b,c,d)         sendcmd(p,PARM|RESP,GPOS,BYTE3(c)|BYTE2(b),RET(d))   /* get position in dma */
 244 #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 */
 245 #define SEND_GSTS(p,b,c,d)         sendcmd(p,PARM|RESP,GSTS,BYTE3(c)|BYTE2(b),RET(d))
 246 #define SEND_NGPOS(p,b,c,d)        sendcmd(p,PARM|RESP,NGPOS,BYTE3(c)|BYTE2(b),RET(d))
 247 #define SEND_PSEL(p,b,c)           sendcmd(p,PARM,PSEL,BYTE2(b)|BYTE3(c),RET(0))        /* activate lbus path */
 248 #define SEND_PCLR(p,b,c)           sendcmd(p,PARM,PCLR,BYTE2(b)|BYTE3(c),RET(0))        /* deactivate lbus path */
 249 #define SEND_PLST(p,b)             sendcmd(p,PARM,PLST,BYTE3(b),RET(0))
 250 #define SEND_RSSV(p,b,c,d)         sendcmd(p,PARM|RESP,RSSV,BYTE2(b)|BYTE3(c),RET(d))
 251 #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 */
 252 #define SEND_SSRC(p,b,c,d,e)       sendcmd(p,PARM,SSRC|BYTE1(b)|WORD2(c),WORD0(d)|WORD2(e),RET(0))      /* configure source */
 253 #define SEND_SLST(p,b)             sendcmd(p,PARM,SLST,BYTE3(b),RET(0))
 254 #define SEND_RSRC(p,b,c)           sendcmd(p,RESP,RSRC|BYTE1(b),0,RET(c))       /* read source config */
 255 #define SEND_SSRB(p,b,c)           sendcmd(p,PARM,SSRB|BYTE1(b),WORD2(c),RET(0))
 256 #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 */
 257 #define SEND_RDGV(p,b,c,d)         sendcmd(p,PARM|RESP,RDGV|BYTE2(b)|BYTE3(c),0,RET(d)) /* read digital mixer */
 258 #define SEND_DLST(p,b)             sendcmd(p,PARM,DLST,BYTE3(b),RET(0))
 259 #define SEND_SACR(p,b,c)           sendcmd(p,PARM,SACR,WORD0(b)|WORD2(c),RET(0))        /* set AC97 register */
 260 #define SEND_RACR(p,b,c)           sendcmd(p,PARM|RESP,RACR,WORD2(b),RET(c))    /* get AC97 register */
 261 #define SEND_ALST(p,b)             sendcmd(p,PARM,ALST,BYTE3(b),RET(0))
 262 #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))
 263 #define SEND_RXAC(p,b,c,d)         sendcmd(p,PARM|RESP,RXAC,BYTE2(b)|BYTE3(c),RET(d))
 264 #define SEND_SI2S(p,b)             sendcmd(p,PARM,SI2S,WORD2(b),RET(0))
 265
 266 #define EOB_STATUS         0x80000000   /* status flags : block boundary */
 267 #define EOS_STATUS         0x40000000   /*              : stoppped */
 268 #define EOC_STATUS         0x20000000   /*              : stream end */
 269 #define ERR_STATUS         0x10000000
 270 #define EMPTY_STATUS       0x08000000
 271
 272 #define IEOB_ENABLE        0x1  /* enable interrupts for status notification above */
 273 #define IEOS_ENABLE        0x2
 274 #define IEOC_ENABLE        0x4
 275 #define RDONCE             0x8
 276 #define DESC_MAX_MASK      0xff
 277
 278 #define ST_PLAY  0x1            /* stream states */
 279 #define ST_STOP  0x2
 280 #define ST_PAUSE 0x4
 281
 282 #define I2S_INTDEC     3        /* config for I2S link */
 283 #define I2S_MERGER     0
 284 #define I2S_SPLITTER   0
 285 #define I2S_MIXER      7
 286 #define I2S_RATE       44100
 287
 288 #define MODEM_INTDEC   4        /* config for modem link */
 289 #define MODEM_MERGER   3
 290 #define MODEM_SPLITTER 0
 291 #define MODEM_MIXER    11
 292
 293 #define FM_INTDEC      3        /* config for FM/OPL3 link */
 294 #define FM_MERGER      0
 295 #define FM_SPLITTER    0
 296 #define FM_MIXER       9
 297
 298 #define SPLIT_PATH  0x80        /* path splitting flag */
 299
 300 enum FIRMWARE {
 301         DATA_REC = 0, EXT_END_OF_FILE, EXT_SEG_ADDR_REC, EXT_GOTO_CMD_REC,
 302         EXT_LIN_ADDR_REC,
 303 };
 304
 305 enum CMDS {
 306         GETV = 0x00, GETC, GUNS, SCID, RMEM =
 307             0x10, SMEM, WMEM, SDTM, GOTO, SSTR =
 308             0x20, PSTR, KSTR, KDMA, GPOS, SETF, GSTS, NGPOS, PSEL =
 309             0x30, PCLR, PLST, RSSV, LSEL, SSRC = 0x40, SLST, RSRC, SSRB, SDGV =
 310             0x50, RDGV, DLST, SACR = 0x60, RACR, ALST, TXAC, RXAC, SI2S =
 311             0x70, ARM_SETDPLL = 0x72,
 312 };
 313
 314 enum E1SOURCE {
 315         ARM2LBUS_FIFO0 = 0, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2, ARM2LBUS_FIFO3,
 316         ARM2LBUS_FIFO4, ARM2LBUS_FIFO5, ARM2LBUS_FIFO6, ARM2LBUS_FIFO7,
 317         ARM2LBUS_FIFO8, ARM2LBUS_FIFO9, ARM2LBUS_FIFO10, ARM2LBUS_FIFO11,
 318         ARM2LBUS_FIFO12, ARM2LBUS_FIFO13, ARM2LBUS_FIFO14, ARM2LBUS_FIFO15,
 319         INTER0_OUT, INTER1_OUT, INTER2_OUT, INTER3_OUT, INTER4_OUT,
 320         INTERM0_OUT, INTERM1_OUT, INTERM2_OUT, INTERM3_OUT, INTERM4_OUT,
 321         INTERM5_OUT, INTERM6_OUT, DECIMM0_OUT, DECIMM1_OUT, DECIMM2_OUT,
 322         DECIMM3_OUT, DECIM0_OUT, SR3_4_OUT, OPL3_SAMPLE, ASRC0, ASRC1,
 323         ACLNK2PADC, ACLNK2MODEM0RX, ACLNK2MIC, ACLNK2MODEM1RX, ACLNK2HNDMIC,
 324         DIGITAL_MIXER_OUT0, GAINFUNC0_OUT, GAINFUNC1_OUT, GAINFUNC2_OUT,
 325         GAINFUNC3_OUT, GAINFUNC4_OUT, SOFTMODEMTX, SPLITTER0_OUTL,
 326         SPLITTER0_OUTR, SPLITTER1_OUTL, SPLITTER1_OUTR, SPLITTER2_OUTL,
 327         SPLITTER2_OUTR, SPLITTER3_OUTL, SPLITTER3_OUTR, MERGER0_OUT,
 328         MERGER1_OUT, MERGER2_OUT, MERGER3_OUT, ARM2LBUS_FIFO_DIRECT, NO_OUT
 329 };
 330
 331 enum E2SINK {
 332         LBUS2ARM_FIFO0 = 0, LBUS2ARM_FIFO1, LBUS2ARM_FIFO2, LBUS2ARM_FIFO3,
 333         LBUS2ARM_FIFO4, LBUS2ARM_FIFO5, LBUS2ARM_FIFO6, LBUS2ARM_FIFO7,
 334         INTER0_IN, INTER1_IN, INTER2_IN, INTER3_IN, INTER4_IN, INTERM0_IN,
 335         INTERM1_IN, INTERM2_IN, INTERM3_IN, INTERM4_IN, INTERM5_IN, INTERM6_IN,
 336         DECIMM0_IN, DECIMM1_IN, DECIMM2_IN, DECIMM3_IN, DECIM0_IN, SR3_4_IN,
 337         PDAC2ACLNK, MODEM0TX2ACLNK, MODEM1TX2ACLNK, HNDSPK2ACLNK,
 338         DIGITAL_MIXER_IN0, DIGITAL_MIXER_IN1, DIGITAL_MIXER_IN2,
 339         DIGITAL_MIXER_IN3, DIGITAL_MIXER_IN4, DIGITAL_MIXER_IN5,
 340         DIGITAL_MIXER_IN6, DIGITAL_MIXER_IN7, DIGITAL_MIXER_IN8,
 341         DIGITAL_MIXER_IN9, DIGITAL_MIXER_IN10, DIGITAL_MIXER_IN11,
 342         GAINFUNC0_IN, GAINFUNC1_IN, GAINFUNC2_IN, GAINFUNC3_IN, GAINFUNC4_IN,
 343         SOFTMODEMRX, SPLITTER0_IN, SPLITTER1_IN, SPLITTER2_IN, SPLITTER3_IN,
 344         MERGER0_INL, MERGER0_INR, MERGER1_INL, MERGER1_INR, MERGER2_INL,
 345         MERGER2_INR, MERGER3_INL, MERGER3_INR, E2SINK_MAX
 346 };
 347
 348 enum LBUS_SINK {
 349         LS_SRC_INTERPOLATOR = 0, LS_SRC_INTERPOLATORM, LS_SRC_DECIMATOR,
 350         LS_SRC_DECIMATORM, LS_MIXER_IN, LS_MIXER_GAIN_FUNCTION,
 351         LS_SRC_SPLITTER, LS_SRC_MERGER, LS_NONE1, LS_NONE2,
 352 };
 353
 354 enum RT_CHANNEL_IDS {
 355         M0TX = 0, M1TX, TAMTX, HSSPKR, PDAC, DSNDTX0, DSNDTX1, DSNDTX2,
 356         DSNDTX3, DSNDTX4, DSNDTX5, DSNDTX6, DSNDTX7, WVSTRTX, COP3DTX, SPARE,
 357         M0RX, HSMIC, M1RX, CLEANRX, MICADC, PADC, COPRX1, COPRX2,
 358         CHANNEL_ID_COUNTER
 359 };
 360
 361 enum { SB_CMD = 0, MODEM_CMD, I2S_CMD0, I2S_CMD1, FM_CMD, MAX_CMD };
 362
 363 struct lbuspath {
 364         unsigned char *noconv;
 365         unsigned char *stereo;
 366         unsigned char *mono;
 367 };
 368
 369 struct cmdport {
 370         u32 data1;              /* cmd,param */
 371         u32 data2;              /* param */
 372         u32 stat;               /* status */
 373         u32 pad[5];
 374 };
 375
 376 struct riptideport {
 377         u32 audio_control;      /* status registers */
 378         u32 audio_status;
 379         u32 pad[2];
 380         struct cmdport port[2]; /* command ports */
 381 };
 382
 383 struct cmdif {
 384         struct riptideport *hwport;
 385         spinlock_t lock;
 386         unsigned int cmdcnt;    /* cmd statistics */
 387         unsigned int cmdtime;
 388         unsigned int cmdtimemax;
 389         unsigned int cmdtimemin;
 390         unsigned int errcnt;
 391         int is_reset;
 392 };
 393
 394 struct riptide_firmware {
 395         u16 ASIC;
 396         u16 CODEC;
 397         u16 AUXDSP;
 398         u16 PROG;
 399 };
 400
 401 union cmdret {
 402         u8 retbytes[8];
 403         u16 retwords[4];
 404         u32 retlongs[2];
 405 };
 406
 407 union firmware_version {
 408         union cmdret ret;
 409         struct riptide_firmware firmware;
 410 };
 411
 412 #define get_pcmhwdev(substream) (struct pcmhw *)(substream->runtime->private_data)
 413
 414 #define PLAYBACK_SUBSTREAMS 3
 415 struct snd_riptide {
 416         struct snd_card *card;
 417         struct pci_dev *pci;
 418         const struct firmware *fw_entry;
 419
 420         struct cmdif *cif;
 421
 422         struct snd_pcm *pcm;
 423         struct snd_pcm *pcm_i2s;
 424         struct snd_rawmidi *rmidi;
 425         struct snd_opl3 *opl3;
 426         struct snd_ac97 *ac97;
 427         struct snd_ac97_bus *ac97_bus;
 428
 429         struct snd_pcm_substream *playback_substream[PLAYBACK_SUBSTREAMS];
 430         struct snd_pcm_substream *capture_substream;
 431
 432         int openstreams;
 433
 434         int irq;
 435         unsigned long port;
 436         unsigned short mpuaddr;
 437         unsigned short opladdr;
 438 #ifdef SUPPORT_JOYSTICK
 439         unsigned short gameaddr;
 440 #endif
 441         struct resource *res_port;
 442
 443         unsigned short device_id;
 444
 445         union firmware_version firmware;
 446
 447         spinlock_t lock;
 448         struct tasklet_struct riptide_tq;
 449         struct snd_info_entry *proc_entry;
 450
 451         unsigned long received_irqs;
 452         unsigned long handled_irqs;
 453 #ifdef CONFIG_PM_SLEEP
 454         int in_suspend;
 455 #endif
 456 };
 457
 458 struct sgd {                    /* scatter gather desriptor */
 459         __le32 dwNextLink;
 460         __le32 dwSegPtrPhys;
 461         __le32 dwSegLen;
 462         __le32 dwStat_Ctl;
 463 };
 464
 465 struct pcmhw {                  /* pcm descriptor */
 466         struct lbuspath paths;
 467         unsigned char *lbuspath;
 468         unsigned char source;
 469         unsigned char intdec[2];
 470         unsigned char mixer;
 471         unsigned char id;
 472         unsigned char state;
 473         unsigned int rate;
 474         unsigned int channels;
 475         snd_pcm_format_t format;
 476         struct snd_dma_buffer sgdlist;
 477         struct sgd *sgdbuf;
 478         unsigned int size;
 479         unsigned int pages;
 480         unsigned int oldpos;
 481         unsigned int pointer;
 482 };
 483
 484 #define CMDRET_ZERO (union cmdret){{(u32)0, (u32) 0}}
 485
 486 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
 487                    union cmdret *ret);
 488 static int getsourcesink(struct cmdif *cif, unsigned char source,
 489                          unsigned char sink, unsigned char *a,
 490                          unsigned char *b);
 491 static int snd_riptide_initialize(struct snd_riptide *chip);
 492 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip);
 493
 494 /*
 495  */
 496
 497 static const struct pci_device_id snd_riptide_ids[] = {
 498         { PCI_DEVICE(0x127a, 0x4310) },
 499         { PCI_DEVICE(0x127a, 0x4320) },
 500         { PCI_DEVICE(0x127a, 0x4330) },
 501         { PCI_DEVICE(0x127a, 0x4340) },
 502         {0,},
 503 };
 504
 505 #ifdef SUPPORT_JOYSTICK
 506 static const struct pci_device_id snd_riptide_joystick_ids[] = {
 507         { PCI_DEVICE(0x127a, 0x4312) },
 508         { PCI_DEVICE(0x127a, 0x4322) },
 509         { PCI_DEVICE(0x127a, 0x4332) },
 510         { PCI_DEVICE(0x127a, 0x4342) },
 511         {0,},
 512 };
 513 #endif
 514
 515 MODULE_DEVICE_TABLE(pci, snd_riptide_ids);
 516
 517 /*
 518  */
 519
 520 static unsigned char lbusin2out[E2SINK_MAX + 1][2] = {
 521         {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
 522                                                                      LS_NONE2},
 523         {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
 524                                                                      LS_NONE2},
 525         {INTER0_OUT, LS_SRC_INTERPOLATOR}, {INTER1_OUT, LS_SRC_INTERPOLATOR},
 526         {INTER2_OUT, LS_SRC_INTERPOLATOR}, {INTER3_OUT, LS_SRC_INTERPOLATOR},
 527         {INTER4_OUT, LS_SRC_INTERPOLATOR}, {INTERM0_OUT, LS_SRC_INTERPOLATORM},
 528         {INTERM1_OUT, LS_SRC_INTERPOLATORM}, {INTERM2_OUT,
 529                                               LS_SRC_INTERPOLATORM},
 530         {INTERM3_OUT, LS_SRC_INTERPOLATORM}, {INTERM4_OUT,
 531                                               LS_SRC_INTERPOLATORM},
 532         {INTERM5_OUT, LS_SRC_INTERPOLATORM}, {INTERM6_OUT,
 533                                               LS_SRC_INTERPOLATORM},
 534         {DECIMM0_OUT, LS_SRC_DECIMATORM}, {DECIMM1_OUT, LS_SRC_DECIMATORM},
 535         {DECIMM2_OUT, LS_SRC_DECIMATORM}, {DECIMM3_OUT, LS_SRC_DECIMATORM},
 536         {DECIM0_OUT, LS_SRC_DECIMATOR}, {SR3_4_OUT, LS_NONE1}, {NO_OUT,
 537                                                                 LS_NONE2},
 538         {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1},
 539         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 540         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 541         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 542         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 543         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 544         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 545         {GAINFUNC0_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC1_OUT,
 546                                                   LS_MIXER_GAIN_FUNCTION},
 547         {GAINFUNC2_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC3_OUT,
 548                                                   LS_MIXER_GAIN_FUNCTION},
 549         {GAINFUNC4_OUT, LS_MIXER_GAIN_FUNCTION}, {SOFTMODEMTX, LS_NONE1},
 550         {SPLITTER0_OUTL, LS_SRC_SPLITTER}, {SPLITTER1_OUTL, LS_SRC_SPLITTER},
 551         {SPLITTER2_OUTL, LS_SRC_SPLITTER}, {SPLITTER3_OUTL, LS_SRC_SPLITTER},
 552         {MERGER0_OUT, LS_SRC_MERGER}, {MERGER0_OUT, LS_SRC_MERGER},
 553         {MERGER1_OUT, LS_SRC_MERGER},
 554         {MERGER1_OUT, LS_SRC_MERGER}, {MERGER2_OUT, LS_SRC_MERGER},
 555         {MERGER2_OUT, LS_SRC_MERGER},
 556         {MERGER3_OUT, LS_SRC_MERGER}, {MERGER3_OUT, LS_SRC_MERGER}, {NO_OUT,
 557                                                                      LS_NONE2},
 558 };
 559
 560 static unsigned char lbus_play_opl3[] = {
 561         DIGITAL_MIXER_IN0 + FM_MIXER, 0xff
 562 };
 563 static unsigned char lbus_play_modem[] = {
 564         DIGITAL_MIXER_IN0 + MODEM_MIXER, 0xff
 565 };
 566 static unsigned char lbus_play_i2s[] = {
 567         INTER0_IN + I2S_INTDEC, DIGITAL_MIXER_IN0 + I2S_MIXER, 0xff
 568 };
 569 static unsigned char lbus_play_out[] = {
 570         PDAC2ACLNK, 0xff
 571 };
 572 static unsigned char lbus_play_outhp[] = {
 573         HNDSPK2ACLNK, 0xff
 574 };
 575 static unsigned char lbus_play_noconv1[] = {
 576         DIGITAL_MIXER_IN0, 0xff
 577 };
 578 static unsigned char lbus_play_stereo1[] = {
 579         INTER0_IN, DIGITAL_MIXER_IN0, 0xff
 580 };
 581 static unsigned char lbus_play_mono1[] = {
 582         INTERM0_IN, DIGITAL_MIXER_IN0, 0xff
 583 };
 584 static unsigned char lbus_play_noconv2[] = {
 585         DIGITAL_MIXER_IN1, 0xff
 586 };
 587 static unsigned char lbus_play_stereo2[] = {
 588         INTER1_IN, DIGITAL_MIXER_IN1, 0xff
 589 };
 590 static unsigned char lbus_play_mono2[] = {
 591         INTERM1_IN, DIGITAL_MIXER_IN1, 0xff
 592 };
 593 static unsigned char lbus_play_noconv3[] = {
 594         DIGITAL_MIXER_IN2, 0xff
 595 };
 596 static unsigned char lbus_play_stereo3[] = {
 597         INTER2_IN, DIGITAL_MIXER_IN2, 0xff
 598 };
 599 static unsigned char lbus_play_mono3[] = {
 600         INTERM2_IN, DIGITAL_MIXER_IN2, 0xff
 601 };
 602 static unsigned char lbus_rec_noconv1[] = {
 603         LBUS2ARM_FIFO5, 0xff
 604 };
 605 static unsigned char lbus_rec_stereo1[] = {
 606         DECIM0_IN, LBUS2ARM_FIFO5, 0xff
 607 };
 608 static unsigned char lbus_rec_mono1[] = {
 609         DECIMM3_IN, LBUS2ARM_FIFO5, 0xff
 610 };
 611
 612 static unsigned char play_ids[] = { 4, 1, 2, };
 613 static unsigned char play_sources[] = {
 614         ARM2LBUS_FIFO4, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2,
 615 };
 616 static struct lbuspath lbus_play_paths[] = {
 617         {
 618          .noconv = lbus_play_noconv1,
 619          .stereo = lbus_play_stereo1,
 620          .mono = lbus_play_mono1,
 621          },
 622         {
 623          .noconv = lbus_play_noconv2,
 624          .stereo = lbus_play_stereo2,
 625          .mono = lbus_play_mono2,
 626          },
 627         {
 628          .noconv = lbus_play_noconv3,
 629          .stereo = lbus_play_stereo3,
 630          .mono = lbus_play_mono3,
 631          },
 632 };
 633 static const struct lbuspath lbus_rec_path = {
 634         .noconv = lbus_rec_noconv1,
 635         .stereo = lbus_rec_stereo1,
 636         .mono = lbus_rec_mono1,
 637 };
 638
 639 #define FIRMWARE_VERSIONS 1
 640 static union firmware_version firmware_versions[] = {
 641         {
 642                 .firmware = {
 643                         .ASIC = 3,
 644                         .CODEC = 2,
 645                         .AUXDSP = 3,
 646                         .PROG = 773,
 647                 },
 648         },
 649 };
 650
 651 static u32 atoh(const unsigned char *in, unsigned int len)
 652 {
 653         u32 sum = 0;
 654         unsigned int mult = 1;
 655         unsigned char c;
 656
 657         while (len) {
 658                 int value;
 659
 660                 c = in[len - 1];
 661                 value = hex_to_bin(c);
 662                 if (value >= 0)
 663                         sum += mult * value;
 664                 mult *= 16;
 665                 --len;
 666         }
 667         return sum;
 668 }
 669
 670 static int senddata(struct cmdif *cif, const unsigned char *in, u32 offset)
 671 {
 672         u32 addr;
 673         u32 data;
 674         u32 i;
 675         const unsigned char *p;
 676
 677         i = atoh(&in[1], 2);
 678         addr = offset + atoh(&in[3], 4);
 679         if (SEND_SMEM(cif, 0, addr) != 0)
 680                 return -EACCES;
 681         p = in + 9;
 682         while (i) {
 683                 data = atoh(p, 8);
 684                 if (SEND_WMEM(cif, 2,
 685                               ((data & 0x0f0f0f0f) << 4) | ((data & 0xf0f0f0f0)
 686                                                             >> 4)))
 687                         return -EACCES;
 688                 i -= 4;
 689                 p += 8;
 690         }
 691         return 0;
 692 }
 693
 694 static int loadfirmware(struct cmdif *cif, const unsigned char *img,
 695                         unsigned int size)
 696 {
 697         const unsigned char *in;
 698         u32 laddr, saddr, t, val;
 699         int err = 0;
 700
 701         laddr = saddr = 0;
 702         while (size > 0 && err == 0) {
 703                 in = img;
 704                 if (in[0] == ':') {
 705                         t = atoh(&in[7], 2);
 706                         switch (t) {
 707                         case DATA_REC:
 708                                 err = senddata(cif, in, laddr + saddr);
 709                                 break;
 710                         case EXT_SEG_ADDR_REC:
 711                                 saddr = atoh(&in[9], 4) << 4;
 712                                 break;
 713                         case EXT_LIN_ADDR_REC:
 714                                 laddr = atoh(&in[9], 4) << 16;
 715                                 break;
 716                         case EXT_GOTO_CMD_REC:
 717                                 val = atoh(&in[9], 8);
 718                                 if (SEND_GOTO(cif, val) != 0)
 719                                         err = -EACCES;
 720                                 break;
 721                         case EXT_END_OF_FILE:
 722                                 size = 0;
 723                                 break;
 724                         default:
 725                                 break;
 726                         }
 727                         while (size > 0) {
 728                                 size--;
 729                                 if (*img++ == '\n')
 730                                         break;
 731                         }
 732                 }
 733         }
 734         snd_printdd("load firmware return %d\n", err);
 735         return err;
 736 }
 737
 738 static void
 739 alloclbuspath(struct cmdif *cif, unsigned char source,
 740               unsigned char *path, unsigned char *mixer, unsigned char *s)
 741 {
 742         while (*path != 0xff) {
 743                 unsigned char sink, type;
 744
 745                 sink = *path & (~SPLIT_PATH);
 746                 if (sink != E2SINK_MAX) {
 747                         snd_printdd("alloc path 0x%x->0x%x\n", source, sink);
 748                         SEND_PSEL(cif, source, sink);
 749                         source = lbusin2out[sink][0];
 750                         type = lbusin2out[sink][1];
 751                         if (type == LS_MIXER_IN) {
 752                                 if (mixer)
 753                                         *mixer = sink - DIGITAL_MIXER_IN0;
 754                         }
 755                         if (type == LS_SRC_DECIMATORM ||
 756                             type == LS_SRC_DECIMATOR ||
 757                             type == LS_SRC_INTERPOLATORM ||
 758                             type == LS_SRC_INTERPOLATOR) {
 759                                 if (s) {
 760                                         if (s[0] != 0xff)
 761                                                 s[1] = sink;
 762                                         else
 763                                                 s[0] = sink;
 764                                 }
 765                         }
 766                 }
 767                 if (*path++ & SPLIT_PATH) {
 768                         unsigned char *npath = path;
 769
 770                         while (*npath != 0xff)
 771                                 npath++;
 772                         alloclbuspath(cif, source + 1, ++npath, mixer, s);
 773                 }
 774         }
 775 }
 776
 777 static void
 778 freelbuspath(struct cmdif *cif, unsigned char source, unsigned char *path)
 779 {
 780         while (*path != 0xff) {
 781                 unsigned char sink;
 782
 783                 sink = *path & (~SPLIT_PATH);
 784                 if (sink != E2SINK_MAX) {
 785                         snd_printdd("free path 0x%x->0x%x\n", source, sink);
 786                         SEND_PCLR(cif, source, sink);
 787                         source = lbusin2out[sink][0];
 788                 }
 789                 if (*path++ & SPLIT_PATH) {
 790                         unsigned char *npath = path;
 791
 792                         while (*npath != 0xff)
 793                                 npath++;
 794                         freelbuspath(cif, source + 1, ++npath);
 795                 }
 796         }
 797 }
 798
 799 static int writearm(struct cmdif *cif, u32 addr, u32 data, u32 mask)
 800 {
 801         union cmdret rptr = CMDRET_ZERO;
 802         unsigned int i = MAX_WRITE_RETRY;
 803         int flag = 1;
 804
 805         SEND_RMEM(cif, 0x02, addr, &rptr);
 806         rptr.retlongs[0] &= (~mask);
 807
 808         while (--i) {
 809                 SEND_SMEM(cif, 0x01, addr);
 810                 SEND_WMEM(cif, 0x02, (rptr.retlongs[0] | data));
 811                 SEND_RMEM(cif, 0x02, addr, &rptr);
 812                 if ((rptr.retlongs[0] & data) == data) {
 813                         flag = 0;
 814                         break;
 815                 } else
 816                         rptr.retlongs[0] &= ~mask;
 817         }
 818         snd_printdd("send arm 0x%x 0x%x 0x%x return %d\n", addr, data, mask,
 819                     flag);
 820         return flag;
 821 }
 822
 823 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
 824                    union cmdret *ret)
 825 {
 826         int i, j;
 827         int err;
 828         unsigned int time = 0;
 829         unsigned long irqflags;
 830         struct riptideport *hwport;
 831         struct cmdport *cmdport = NULL;
 832
 833         if (snd_BUG_ON(!cif))
 834                 return -EINVAL;
 835
 836         hwport = cif->hwport;
 837         if (cif->errcnt > MAX_ERROR_COUNT) {
 838                 if (cif->is_reset) {
 839                         snd_printk(KERN_ERR
 840                                    "Riptide: Too many failed cmds, reinitializing\n");
 841                         if (riptide_reset(cif, NULL) == 0) {
 842                                 cif->errcnt = 0;
 843                                 return -EIO;
 844                         }
 845                 }
 846                 snd_printk(KERN_ERR "Riptide: Initialization failed.\n");
 847                 return -EINVAL;
 848         }
 849         if (ret) {
 850                 ret->retlongs[0] = 0;
 851                 ret->retlongs[1] = 0;
 852         }
 853         i = 0;
 854         spin_lock_irqsave(&cif->lock, irqflags);
 855         while (i++ < CMDIF_TIMEOUT && !IS_READY(cif->hwport))
 856                 udelay(10);
 857         if (i > CMDIF_TIMEOUT) {
 858                 err = -EBUSY;
 859                 goto errout;
 860         }
 861
 862         err = 0;
 863         for (j = 0, time = 0; time < CMDIF_TIMEOUT; j++, time += 2) {
 864                 cmdport = &(hwport->port[j % 2]);
 865                 if (IS_DATF(cmdport)) { /* free pending data */
 866                         READ_PORT_ULONG(cmdport->data1);
 867                         READ_PORT_ULONG(cmdport->data2);
 868                 }
 869                 if (IS_CMDE(cmdport)) {
 870                         if (flags & PARM)       /* put data */
 871                                 WRITE_PORT_ULONG(cmdport->data2, parm);
 872                         WRITE_PORT_ULONG(cmdport->data1, cmd);  /* write cmd */
 873                         if ((flags & RESP) && ret) {
 874                                 while (!IS_DATF(cmdport) &&
 875                                        time < CMDIF_TIMEOUT) {
 876                                         udelay(10);
 877                                         time++;
 878                                 }
 879                                 if (time < CMDIF_TIMEOUT) {     /* read response */
 880                                         ret->retlongs[0] =
 881                                             READ_PORT_ULONG(cmdport->data1);
 882                                         ret->retlongs[1] =
 883                                             READ_PORT_ULONG(cmdport->data2);
 884                                 } else {
 885                                         err = -ENOSYS;
 886                                         goto errout;
 887                                 }
 888                         }
 889                         break;
 890                 }
 891                 udelay(20);
 892         }
 893         if (time == CMDIF_TIMEOUT) {
 894                 err = -ENODATA;
 895                 goto errout;
 896         }
 897         spin_unlock_irqrestore(&cif->lock, irqflags);
 898
 899         cif->cmdcnt++;          /* update command statistics */
 900         cif->cmdtime += time;
 901         if (time > cif->cmdtimemax)
 902                 cif->cmdtimemax = time;
 903         if (time < cif->cmdtimemin)
 904                 cif->cmdtimemin = time;
 905         if ((cif->cmdcnt) % 1000 == 0)
 906                 snd_printdd
 907                     ("send cmd %d time: %d mintime: %d maxtime %d err: %d\n",
 908                      cif->cmdcnt, cif->cmdtime, cif->cmdtimemin,
 909                      cif->cmdtimemax, cif->errcnt);
 910         return 0;
 911
 912       errout:
 913         cif->errcnt++;
 914         spin_unlock_irqrestore(&cif->lock, irqflags);
 915         snd_printdd
 916             ("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",
 917              cif->cmdcnt, (int)((void *)&(cmdport->stat) - (void *)hwport),
 918              flags, cmd, parm, ret ? ret->retlongs[0] : 0,
 919              ret ? ret->retlongs[1] : 0, IS_CMDE(cmdport), IS_DATF(cmdport),
 920              err);
 921         return err;
 922 }
 923
 924 static int
 925 setmixer(struct cmdif *cif, short num, unsigned short rval, unsigned short lval)
 926 {
 927         union cmdret rptr = CMDRET_ZERO;
 928         int i = 0;
 929
 930         snd_printdd("sent mixer %d: 0x%x 0x%x\n", num, rval, lval);
 931         do {
 932                 SEND_SDGV(cif, num, num, rval, lval);
 933                 SEND_RDGV(cif, num, num, &rptr);
 934                 if (rptr.retwords[0] == lval && rptr.retwords[1] == rval)
 935                         return 0;
 936         } while (i++ < MAX_WRITE_RETRY);
 937         snd_printdd("sent mixer failed\n");
 938         return -EIO;
 939 }
 940
 941 static int getpaths(struct cmdif *cif, unsigned char *o)
 942 {
 943         unsigned char src[E2SINK_MAX];
 944         unsigned char sink[E2SINK_MAX];
 945         int i, j = 0;
 946
 947         for (i = 0; i < E2SINK_MAX; i++) {
 948                 getsourcesink(cif, i, i, &src[i], &sink[i]);
 949                 if (sink[i] < E2SINK_MAX) {
 950                         o[j++] = sink[i];
 951                         o[j++] = i;
 952                 }
 953         }
 954         return j;
 955 }
 956
 957 static int
 958 getsourcesink(struct cmdif *cif, unsigned char source, unsigned char sink,
 959               unsigned char *a, unsigned char *b)
 960 {
 961         union cmdret rptr = CMDRET_ZERO;
 962
 963         if (SEND_RSSV(cif, source, sink, &rptr) &&
 964             SEND_RSSV(cif, source, sink, &rptr))
 965                 return -EIO;
 966         *a = rptr.retbytes[0];
 967         *b = rptr.retbytes[1];
 968         snd_printdd("getsourcesink 0x%x 0x%x\n", *a, *b);
 969         return 0;
 970 }
 971
 972 static int
 973 getsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int *rate)
 974 {
 975         unsigned char *s;
 976         unsigned int p[2] = { 0, 0 };
 977         int i;
 978         union cmdret rptr = CMDRET_ZERO;
 979
 980         s = intdec;
 981         for (i = 0; i < 2; i++) {
 982                 if (*s != 0xff) {
 983                         if (SEND_RSRC(cif, *s, &rptr) &&
 984                             SEND_RSRC(cif, *s, &rptr))
 985                                 return -EIO;
 986                         p[i] += rptr.retwords[1];
 987                         p[i] *= rptr.retwords[2];
 988                         p[i] += rptr.retwords[3];
 989                         p[i] /= 65536;
 990                 }
 991                 s++;
 992         }
 993         if (p[0]) {
 994                 if (p[1] != p[0])
 995                         snd_printdd("rates differ %d %d\n", p[0], p[1]);
 996                 *rate = (unsigned int)p[0];
 997         } else
 998                 *rate = (unsigned int)p[1];
 999         snd_printdd("getsampleformat %d %d %d\n", intdec[0], intdec[1], *rate);
1000         return 0;
1001 }
1002
1003 static int
1004 setsampleformat(struct cmdif *cif,
1005                 unsigned char mixer, unsigned char id,
1006                 unsigned char channels, snd_pcm_format_t format)
1007 {
1008         unsigned char w, ch, sig, order;
1009
1010         snd_printdd
1011             ("setsampleformat mixer: %d id: %d channels: %d format: %d\n",
1012              mixer, id, channels, format);
1013         ch = channels == 1;
1014         w = snd_pcm_format_width(format) == 8;
1015         sig = snd_pcm_format_unsigned(format) != 0;
1016         order = snd_pcm_format_big_endian(format) != 0;
1017
1018         if (SEND_SETF(cif, mixer, w, ch, order, sig, id) &&
1019             SEND_SETF(cif, mixer, w, ch, order, sig, id)) {
1020                 snd_printdd("setsampleformat failed\n");
1021                 return -EIO;
1022         }
1023         return 0;
1024 }
1025
1026 static int
1027 setsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int rate)
1028 {
1029         u32 D, M, N;
1030         union cmdret rptr = CMDRET_ZERO;
1031         int i;
1032
1033         snd_printdd("setsamplerate intdec: %d,%d rate: %d\n", intdec[0],
1034                     intdec[1], rate);
1035         D = 48000;
1036         M = ((rate == 48000) ? 47999 : rate) * 65536;
1037         N = M % D;
1038         M /= D;
1039         for (i = 0; i < 2; i++) {
1040                 if (*intdec != 0xff) {
1041                         do {
1042                                 SEND_SSRC(cif, *intdec, D, M, N);
1043                                 SEND_RSRC(cif, *intdec, &rptr);
1044                         } while (rptr.retwords[1] != D &&
1045                                  rptr.retwords[2] != M &&
1046                                  rptr.retwords[3] != N &&
1047                                  i++ < MAX_WRITE_RETRY);
1048                         if (i > MAX_WRITE_RETRY) {
1049                                 snd_printdd("sent samplerate %d: %d failed\n",
1050                                             *intdec, rate);
1051                                 return -EIO;
1052                         }
1053                 }
1054                 intdec++;
1055         }
1056         return 0;
1057 }
1058
1059 static int
1060 getmixer(struct cmdif *cif, short num, unsigned short *rval,
1061          unsigned short *lval)
1062 {
1063         union cmdret rptr = CMDRET_ZERO;
1064
1065         if (SEND_RDGV(cif, num, num, &rptr) && SEND_RDGV(cif, num, num, &rptr))
1066                 return -EIO;
1067         *rval = rptr.retwords[0];
1068         *lval = rptr.retwords[1];
1069         snd_printdd("got mixer %d: 0x%x 0x%x\n", num, *rval, *lval);
1070         return 0;
1071 }
1072
1073 static void riptide_handleirq(unsigned long dev_id)
1074 {
1075         struct snd_riptide *chip = (void *)dev_id;
1076         struct cmdif *cif = chip->cif;
1077         struct snd_pcm_substream *substream[PLAYBACK_SUBSTREAMS + 1];
1078         struct snd_pcm_runtime *runtime;
1079         struct pcmhw *data = NULL;
1080         unsigned int pos, period_bytes;
1081         struct sgd *c;
1082         int i, j;
1083         unsigned int flag;
1084
1085         if (!cif)
1086                 return;
1087
1088         for (i = 0; i < PLAYBACK_SUBSTREAMS; i++)
1089                 substream[i] = chip->playback_substream[i];
1090         substream[i] = chip->capture_substream;
1091         for (i = 0; i < PLAYBACK_SUBSTREAMS + 1; i++) {
1092                 if (substream[i] &&
1093                     (runtime = substream[i]->runtime) &&
1094                     (data = runtime->private_data) && data->state != ST_STOP) {
1095                         pos = 0;
1096                         for (j = 0; j < data->pages; j++) {
1097                                 c = &data->sgdbuf[j];
1098                                 flag = le32_to_cpu(c->dwStat_Ctl);
1099                                 if (flag & EOB_STATUS)
1100                                         pos += le32_to_cpu(c->dwSegLen);
1101                                 if (flag & EOC_STATUS)
1102                                         pos += le32_to_cpu(c->dwSegLen);
1103                                 if ((flag & EOS_STATUS)
1104                                     && (data->state == ST_PLAY)) {
1105                                         data->state = ST_STOP;
1106                                         snd_printk(KERN_ERR
1107                                                    "Riptide: DMA stopped unexpectedly\n");
1108                                 }
1109                                 c->dwStat_Ctl =
1110                                     cpu_to_le32(flag &
1111                                                 ~(EOS_STATUS | EOB_STATUS |
1112                                                   EOC_STATUS));
1113                         }
1114                         data->pointer += pos;
1115                         pos += data->oldpos;
1116                         if (data->state != ST_STOP) {
1117                                 period_bytes =
1118                                     frames_to_bytes(runtime,
1119                                                     runtime->period_size);
1120                                 snd_printdd
1121                                     ("interrupt 0x%x after 0x%lx of 0x%lx frames in period\n",
1122                                      READ_AUDIO_STATUS(cif->hwport),
1123                                      bytes_to_frames(runtime, pos),
1124                                      runtime->period_size);
1125                                 j = 0;
1126                                 if (pos >= period_bytes) {
1127                                         j++;
1128                                         while (pos >= period_bytes)
1129                                                 pos -= period_bytes;
1130                                 }
1131                                 data->oldpos = pos;
1132                                 if (j > 0)
1133                                         snd_pcm_period_elapsed(substream[i]);
1134                         }
1135                 }
1136         }
1137 }
1138
1139 #ifdef CONFIG_PM_SLEEP
1140 static int riptide_suspend(struct device *dev)
1141 {
1142         struct snd_card *card = dev_get_drvdata(dev);
1143         struct snd_riptide *chip = card->private_data;
1144
1145         chip->in_suspend = 1;
1146         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1147         snd_ac97_suspend(chip->ac97);
1148         return 0;
1149 }
1150
1151 static int riptide_resume(struct device *dev)
1152 {
1153         struct snd_card *card = dev_get_drvdata(dev);
1154         struct snd_riptide *chip = card->private_data;
1155
1156         snd_riptide_initialize(chip);
1157         snd_ac97_resume(chip->ac97);
1158         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1159         chip->in_suspend = 0;
1160         return 0;
1161 }
1162
1163 static SIMPLE_DEV_PM_OPS(riptide_pm, riptide_suspend, riptide_resume);
1164 #define RIPTIDE_PM_OPS  &riptide_pm
1165 #else
1166 #define RIPTIDE_PM_OPS  NULL
1167 #endif /* CONFIG_PM_SLEEP */
1168
1169 static int try_to_load_firmware(struct cmdif *cif, struct snd_riptide *chip)
1170 {
1171         union firmware_version firmware = { .ret = CMDRET_ZERO };
1172         int i, timeout, err;
1173
1174         for (i = 0; i < 2; i++) {
1175                 WRITE_PORT_ULONG(cif->hwport->port[i].data1, 0);
1176                 WRITE_PORT_ULONG(cif->hwport->port[i].data2, 0);
1177         }
1178         SET_GRESET(cif->hwport);
1179         udelay(100);
1180         UNSET_GRESET(cif->hwport);
1181         udelay(100);
1182
1183         for (timeout = 100000; --timeout; udelay(10)) {
1184                 if (IS_READY(cif->hwport) && !IS_GERR(cif->hwport))
1185                         break;
1186         }
1187         if (!timeout) {
1188                 snd_printk(KERN_ERR
1189                            "Riptide: device not ready, audio status: 0x%x "
1190                            "ready: %d gerr: %d\n",
1191                            READ_AUDIO_STATUS(cif->hwport),
1192                            IS_READY(cif->hwport), IS_GERR(cif->hwport));
1193                 return -EIO;
1194         } else {
1195                 snd_printdd
1196                         ("Riptide: audio status: 0x%x ready: %d gerr: %d\n",
1197                          READ_AUDIO_STATUS(cif->hwport),
1198                          IS_READY(cif->hwport), IS_GERR(cif->hwport));
1199         }
1200
1201         SEND_GETV(cif, &firmware.ret);
1202         snd_printdd("Firmware version: ASIC: %d CODEC %d AUXDSP %d PROG %d\n",
1203                     firmware.firmware.ASIC, firmware.firmware.CODEC,
1204                     firmware.firmware.AUXDSP, firmware.firmware.PROG);
1205
1206         if (!chip)
1207                 return 1;
1208
1209         for (i = 0; i < FIRMWARE_VERSIONS; i++) {
1210                 if (!memcmp(&firmware_versions[i], &firmware, sizeof(firmware)))
1211                         return 1; /* OK */
1212
1213         }
1214
1215         snd_printdd("Writing Firmware\n");
1216         if (!chip->fw_entry) {
1217                 err = reject_firmware(&chip->fw_entry, "/*(DEBLOBBED)*/",
1218                                        &chip->pci->dev);
1219                 if (err) {
1220                         snd_printk(KERN_ERR
1221                                    "Riptide: Firmware not available %d\n", err);
1222                         return -EIO;
1223                 }
1224         }
1225         err = loadfirmware(cif, chip->fw_entry->data, chip->fw_entry->size);
1226         if (err) {
1227                 snd_printk(KERN_ERR
1228                            "Riptide: Could not load firmware %d\n", err);
1229                 return err;
1230         }
1231
1232         /*(DEBLOBBED)*/
1233
1234         return 1; /* OK */
1235 }
1236
1237 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip)
1238 {
1239         union cmdret rptr = CMDRET_ZERO;
1240         int err, tries;
1241
1242         if (!cif)
1243                 return -EINVAL;
1244
1245         cif->cmdcnt = 0;
1246         cif->cmdtime = 0;
1247         cif->cmdtimemax = 0;
1248         cif->cmdtimemin = 0xffffffff;
1249         cif->errcnt = 0;
1250         cif->is_reset = 0;
1251
1252         tries = RESET_TRIES;
1253         do {
1254                 err = try_to_load_firmware(cif, chip);
1255                 if (err < 0)
1256                         return err;
1257         } while (!err && --tries);
1258
1259         SEND_SACR(cif, 0, AC97_RESET);
1260         SEND_RACR(cif, AC97_RESET, &rptr);
1261         snd_printdd("AC97: 0x%x 0x%x\n", rptr.retlongs[0], rptr.retlongs[1]);
1262
1263         SEND_PLST(cif, 0);
1264         SEND_SLST(cif, 0);
1265         SEND_DLST(cif, 0);
1266         SEND_ALST(cif, 0);
1267         SEND_KDMA(cif);
1268
1269         writearm(cif, 0x301F8, 1, 1);
1270         writearm(cif, 0x301F4, 1, 1);
1271
1272         SEND_LSEL(cif, MODEM_CMD, 0, 0, MODEM_INTDEC, MODEM_MERGER,
1273                   MODEM_SPLITTER, MODEM_MIXER);
1274         setmixer(cif, MODEM_MIXER, 0x7fff, 0x7fff);
1275         alloclbuspath(cif, ARM2LBUS_FIFO13, lbus_play_modem, NULL, NULL);
1276
1277         SEND_LSEL(cif, FM_CMD, 0, 0, FM_INTDEC, FM_MERGER, FM_SPLITTER,
1278                   FM_MIXER);
1279         setmixer(cif, FM_MIXER, 0x7fff, 0x7fff);
1280         writearm(cif, 0x30648 + FM_MIXER * 4, 0x01, 0x00000005);
1281         writearm(cif, 0x301A8, 0x02, 0x00000002);
1282         writearm(cif, 0x30264, 0x08, 0xffffffff);
1283         alloclbuspath(cif, OPL3_SAMPLE, lbus_play_opl3, NULL, NULL);
1284
1285         SEND_SSRC(cif, I2S_INTDEC, 48000,
1286                   ((u32) I2S_RATE * 65536) / 48000,
1287                   ((u32) I2S_RATE * 65536) % 48000);
1288         SEND_LSEL(cif, I2S_CMD0, 0, 0, I2S_INTDEC, I2S_MERGER, I2S_SPLITTER,
1289                   I2S_MIXER);
1290         SEND_SI2S(cif, 1);
1291         alloclbuspath(cif, ARM2LBUS_FIFO0, lbus_play_i2s, NULL, NULL);
1292         alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_out, NULL, NULL);
1293         alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_outhp, NULL, NULL);
1294
1295         SET_AIACK(cif->hwport);
1296         SET_AIE(cif->hwport);
1297         SET_AIACK(cif->hwport);
1298         cif->is_reset = 1;
1299
1300         return 0;
1301 }
1302
1303 static const struct snd_pcm_hardware snd_riptide_playback = {
1304         .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1305                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1306                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1307         .formats =
1308             SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1309             | SNDRV_PCM_FMTBIT_U16_LE,
1310         .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1311         .rate_min = 5500,
1312         .rate_max = 48000,
1313         .channels_min = 1,
1314         .channels_max = 2,
1315         .buffer_bytes_max = (64 * 1024),
1316         .period_bytes_min = PAGE_SIZE >> 1,
1317         .period_bytes_max = PAGE_SIZE << 8,
1318         .periods_min = 2,
1319         .periods_max = 64,
1320         .fifo_size = 0,
1321 };
1322 static const struct snd_pcm_hardware snd_riptide_capture = {
1323         .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1324                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1325                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1326         .formats =
1327             SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1328             | SNDRV_PCM_FMTBIT_U16_LE,
1329         .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1330         .rate_min = 5500,
1331         .rate_max = 48000,
1332         .channels_min = 1,
1333         .channels_max = 2,
1334         .buffer_bytes_max = (64 * 1024),
1335         .period_bytes_min = PAGE_SIZE >> 1,
1336         .period_bytes_max = PAGE_SIZE << 3,
1337         .periods_min = 2,
1338         .periods_max = 64,
1339         .fifo_size = 0,
1340 };
1341
1342 static snd_pcm_uframes_t snd_riptide_pointer(struct snd_pcm_substream
1343                                              *substream)
1344 {
1345         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1346         struct snd_pcm_runtime *runtime = substream->runtime;
1347         struct pcmhw *data = get_pcmhwdev(substream);
1348         struct cmdif *cif = chip->cif;
1349         union cmdret rptr = CMDRET_ZERO;
1350         snd_pcm_uframes_t ret;
1351
1352         SEND_GPOS(cif, 0, data->id, &rptr);
1353         if (data->size && runtime->period_size) {
1354                 snd_printdd
1355                     ("pointer stream %d position 0x%x(0x%x in buffer) bytes 0x%lx(0x%lx in period) frames\n",
1356                      data->id, rptr.retlongs[1], rptr.retlongs[1] % data->size,
1357                      bytes_to_frames(runtime, rptr.retlongs[1]),
1358                      bytes_to_frames(runtime,
1359                                      rptr.retlongs[1]) % runtime->period_size);
1360                 if (rptr.retlongs[1] > data->pointer)
1361                         ret =
1362                             bytes_to_frames(runtime,
1363                                             rptr.retlongs[1] % data->size);
1364                 else
1365                         ret =
1366                             bytes_to_frames(runtime,
1367                                             data->pointer % data->size);
1368         } else {
1369                 snd_printdd("stream not started or strange parms (%d %ld)\n",
1370                             data->size, runtime->period_size);
1371                 ret = bytes_to_frames(runtime, 0);
1372         }
1373         return ret;
1374 }
1375
1376 static int snd_riptide_trigger(struct snd_pcm_substream *substream, int cmd)
1377 {
1378         int i, j;
1379         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1380         struct pcmhw *data = get_pcmhwdev(substream);
1381         struct cmdif *cif = chip->cif;
1382         union cmdret rptr = CMDRET_ZERO;
1383
1384         spin_lock(&chip->lock);
1385         switch (cmd) {
1386         case SNDRV_PCM_TRIGGER_START:
1387         case SNDRV_PCM_TRIGGER_RESUME:
1388                 if (!(data->state & ST_PLAY)) {
1389                         SEND_SSTR(cif, data->id, data->sgdlist.addr);
1390                         SET_AIE(cif->hwport);
1391                         data->state = ST_PLAY;
1392                         if (data->mixer != 0xff)
1393                                 setmixer(cif, data->mixer, 0x7fff, 0x7fff);
1394                         chip->openstreams++;
1395                         data->oldpos = 0;
1396                         data->pointer = 0;
1397                 }
1398                 break;
1399         case SNDRV_PCM_TRIGGER_STOP:
1400         case SNDRV_PCM_TRIGGER_SUSPEND:
1401                 if (data->mixer != 0xff)
1402                         setmixer(cif, data->mixer, 0, 0);
1403                 setmixer(cif, data->mixer, 0, 0);
1404                 SEND_KSTR(cif, data->id);
1405                 data->state = ST_STOP;
1406                 chip->openstreams--;
1407                 j = 0;
1408                 do {
1409                         i = rptr.retlongs[1];
1410                         SEND_GPOS(cif, 0, data->id, &rptr);
1411                         udelay(1);
1412                 } while (i != rptr.retlongs[1] && j++ < MAX_WRITE_RETRY);
1413                 if (j > MAX_WRITE_RETRY)
1414                         snd_printk(KERN_ERR "Riptide: Could not stop stream!");
1415                 break;
1416         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1417                 if (!(data->state & ST_PAUSE)) {
1418                         SEND_PSTR(cif, data->id);
1419                         data->state |= ST_PAUSE;
1420                         chip->openstreams--;
1421                 }
1422                 break;
1423         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1424                 if (data->state & ST_PAUSE) {
1425                         SEND_SSTR(cif, data->id, data->sgdlist.addr);
1426                         data->state &= ~ST_PAUSE;
1427                         chip->openstreams++;
1428                 }
1429                 break;
1430         default:
1431                 spin_unlock(&chip->lock);
1432                 return -EINVAL;
1433         }
1434         spin_unlock(&chip->lock);
1435         return 0;
1436 }
1437
1438 static int snd_riptide_prepare(struct snd_pcm_substream *substream)
1439 {
1440         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1441         struct snd_pcm_runtime *runtime = substream->runtime;
1442         struct pcmhw *data = get_pcmhwdev(substream);
1443         struct cmdif *cif = chip->cif;
1444         unsigned char *lbuspath = NULL;
1445         unsigned int rate, channels;
1446         int err = 0;
1447         snd_pcm_format_t format;
1448
1449         if (snd_BUG_ON(!cif || !data))
1450                 return -EINVAL;
1451
1452         snd_printdd("prepare id %d ch: %d f:0x%x r:%d\n", data->id,
1453                     runtime->channels, runtime->format, runtime->rate);
1454
1455         spin_lock_irq(&chip->lock);
1456         channels = runtime->channels;
1457         format = runtime->format;
1458         rate = runtime->rate;
1459         switch (channels) {
1460         case 1:
1461                 if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1462                         lbuspath = data->paths.noconv;
1463                 else
1464                         lbuspath = data->paths.mono;
1465                 break;
1466         case 2:
1467                 if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1468                         lbuspath = data->paths.noconv;
1469                 else
1470                         lbuspath = data->paths.stereo;
1471                 break;
1472         }
1473         snd_printdd("use sgdlist at 0x%p\n",
1474                     data->sgdlist.area);
1475         if (data->sgdlist.area) {
1476                 unsigned int i, j, size, pages, f, pt, period;
1477                 struct sgd *c, *p = NULL;
1478
1479                 size = frames_to_bytes(runtime, runtime->buffer_size);
1480                 period = frames_to_bytes(runtime, runtime->period_size);
1481                 f = PAGE_SIZE;
1482                 while ((size + (f >> 1) - 1) <= (f << 7) && (f << 1) > period)
1483                         f = f >> 1;
1484                 pages = DIV_ROUND_UP(size, f);
1485                 data->size = size;
1486                 data->pages = pages;
1487                 snd_printdd
1488                     ("create sgd size: 0x%x pages %d of size 0x%x for period 0x%x\n",
1489                      size, pages, f, period);
1490                 pt = 0;
1491                 j = 0;
1492                 for (i = 0; i < pages; i++) {
1493                         unsigned int ofs, addr;
1494                         c = &data->sgdbuf[i];
1495                         if (p)
1496                                 p->dwNextLink = cpu_to_le32(data->sgdlist.addr +
1497                                                             (i *
1498                                                              sizeof(struct
1499                                                                     sgd)));
1500                         c->dwNextLink = cpu_to_le32(data->sgdlist.addr);
1501                         ofs = j << PAGE_SHIFT;
1502                         addr = snd_pcm_sgbuf_get_addr(substream, ofs) + pt;
1503                         c->dwSegPtrPhys = cpu_to_le32(addr);
1504                         pt = (pt + f) % PAGE_SIZE;
1505                         if (pt == 0)
1506                                 j++;
1507                         c->dwSegLen = cpu_to_le32(f);
1508                         c->dwStat_Ctl =
1509                             cpu_to_le32(IEOB_ENABLE | IEOS_ENABLE |
1510                                         IEOC_ENABLE);
1511                         p = c;
1512                         size -= f;
1513                 }
1514                 data->sgdbuf[i].dwSegLen = cpu_to_le32(size);
1515         }
1516         if (lbuspath && lbuspath != data->lbuspath) {
1517                 if (data->lbuspath)
1518                         freelbuspath(cif, data->source, data->lbuspath);
1519                 alloclbuspath(cif, data->source, lbuspath,
1520                               &data->mixer, data->intdec);
1521                 data->lbuspath = lbuspath;
1522                 data->rate = 0;
1523         }
1524         if (data->rate != rate || data->format != format ||
1525             data->channels != channels) {
1526                 data->rate = rate;
1527                 data->format = format;
1528                 data->channels = channels;
1529                 if (setsampleformat
1530                     (cif, data->mixer, data->id, channels, format)
1531                     || setsamplerate(cif, data->intdec, rate))
1532                         err = -EIO;
1533         }
1534         spin_unlock_irq(&chip->lock);
1535         return err;
1536 }
1537
1538 static int
1539 snd_riptide_hw_params(struct snd_pcm_substream *substream,
1540                       struct snd_pcm_hw_params *hw_params)
1541 {
1542         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1543         struct pcmhw *data = get_pcmhwdev(substream);
1544         struct snd_dma_buffer *sgdlist = &data->sgdlist;
1545         int err;
1546
1547         snd_printdd("hw params id %d (sgdlist: 0x%p 0x%lx %d)\n", data->id,
1548                     sgdlist->area, (unsigned long)sgdlist->addr,
1549                     (int)sgdlist->bytes);
1550         if (sgdlist->area)
1551                 snd_dma_free_pages(sgdlist);
1552         if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
1553                                        snd_dma_pci_data(chip->pci),
1554                                        sizeof(struct sgd) * (DESC_MAX_MASK + 1),
1555                                        sgdlist)) < 0) {
1556                 snd_printk(KERN_ERR "Riptide: failed to alloc %d dma bytes\n",
1557                            (int)sizeof(struct sgd) * (DESC_MAX_MASK + 1));
1558                 return err;
1559         }
1560         data->sgdbuf = (struct sgd *)sgdlist->area;
1561         return snd_pcm_lib_malloc_pages(substream,
1562                                         params_buffer_bytes(hw_params));
1563 }
1564
1565 static int snd_riptide_hw_free(struct snd_pcm_substream *substream)
1566 {
1567         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1568         struct pcmhw *data = get_pcmhwdev(substream);
1569         struct cmdif *cif = chip->cif;
1570
1571         if (cif && data) {
1572                 if (data->lbuspath)
1573                         freelbuspath(cif, data->source, data->lbuspath);
1574                 data->lbuspath = NULL;
1575                 data->source = 0xff;
1576                 data->intdec[0] = 0xff;
1577                 data->intdec[1] = 0xff;
1578
1579                 if (data->sgdlist.area) {
1580                         snd_dma_free_pages(&data->sgdlist);
1581                         data->sgdlist.area = NULL;
1582                 }
1583         }
1584         return snd_pcm_lib_free_pages(substream);
1585 }
1586
1587 static int snd_riptide_playback_open(struct snd_pcm_substream *substream)
1588 {
1589         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1590         struct snd_pcm_runtime *runtime = substream->runtime;
1591         struct pcmhw *data;
1592         int sub_num = substream->number;
1593
1594         chip->playback_substream[sub_num] = substream;
1595         runtime->hw = snd_riptide_playback;
1596
1597         data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1598         if (data == NULL)
1599                 return -ENOMEM;
1600         data->paths = lbus_play_paths[sub_num];
1601         data->id = play_ids[sub_num];
1602         data->source = play_sources[sub_num];
1603         data->intdec[0] = 0xff;
1604         data->intdec[1] = 0xff;
1605         data->state = ST_STOP;
1606         runtime->private_data = data;
1607         return snd_pcm_hw_constraint_integer(runtime,
1608                                              SNDRV_PCM_HW_PARAM_PERIODS);
1609 }
1610
1611 static int snd_riptide_capture_open(struct snd_pcm_substream *substream)
1612 {
1613         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1614         struct snd_pcm_runtime *runtime = substream->runtime;
1615         struct pcmhw *data;
1616
1617         chip->capture_substream = substream;
1618         runtime->hw = snd_riptide_capture;
1619
1620         data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1621         if (data == NULL)
1622                 return -ENOMEM;
1623         data->paths = lbus_rec_path;
1624         data->id = PADC;
1625         data->source = ACLNK2PADC;
1626         data->intdec[0] = 0xff;
1627         data->intdec[1] = 0xff;
1628         data->state = ST_STOP;
1629         runtime->private_data = data;
1630         return snd_pcm_hw_constraint_integer(runtime,
1631                                              SNDRV_PCM_HW_PARAM_PERIODS);
1632 }
1633
1634 static int snd_riptide_playback_close(struct snd_pcm_substream *substream)
1635 {
1636         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1637         struct pcmhw *data = get_pcmhwdev(substream);
1638         int sub_num = substream->number;
1639
1640         substream->runtime->private_data = NULL;
1641         chip->playback_substream[sub_num] = NULL;
1642         kfree(data);
1643         return 0;
1644 }
1645
1646 static int snd_riptide_capture_close(struct snd_pcm_substream *substream)
1647 {
1648         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1649         struct pcmhw *data = get_pcmhwdev(substream);
1650
1651         substream->runtime->private_data = NULL;
1652         chip->capture_substream = NULL;
1653         kfree(data);
1654         return 0;
1655 }
1656
1657 static const struct snd_pcm_ops snd_riptide_playback_ops = {
1658         .open = snd_riptide_playback_open,
1659         .close = snd_riptide_playback_close,
1660         .ioctl = snd_pcm_lib_ioctl,
1661         .hw_params = snd_riptide_hw_params,
1662         .hw_free = snd_riptide_hw_free,
1663         .prepare = snd_riptide_prepare,
1664         .page = snd_pcm_sgbuf_ops_page,
1665         .trigger = snd_riptide_trigger,
1666         .pointer = snd_riptide_pointer,
1667 };
1668 static const struct snd_pcm_ops snd_riptide_capture_ops = {
1669         .open = snd_riptide_capture_open,
1670         .close = snd_riptide_capture_close,
1671         .ioctl = snd_pcm_lib_ioctl,
1672         .hw_params = snd_riptide_hw_params,
1673         .hw_free = snd_riptide_hw_free,
1674         .prepare = snd_riptide_prepare,
1675         .page = snd_pcm_sgbuf_ops_page,
1676         .trigger = snd_riptide_trigger,
1677         .pointer = snd_riptide_pointer,
1678 };
1679
1680 static int snd_riptide_pcm(struct snd_riptide *chip, int device)
1681 {
1682         struct snd_pcm *pcm;
1683         int err;
1684
1685         if ((err =
1686              snd_pcm_new(chip->card, "RIPTIDE", device, PLAYBACK_SUBSTREAMS, 1,
1687                          &pcm)) < 0)
1688                 return err;
1689         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1690                         &snd_riptide_playback_ops);
1691         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1692                         &snd_riptide_capture_ops);
1693         pcm->private_data = chip;
1694         pcm->info_flags = 0;
1695         strcpy(pcm->name, "RIPTIDE");
1696         chip->pcm = pcm;
1697         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1698                                               snd_dma_pci_data(chip->pci),
1699                                               64 * 1024, 128 * 1024);
1700         return 0;
1701 }
1702
1703 static irqreturn_t
1704 snd_riptide_interrupt(int irq, void *dev_id)
1705 {
1706         struct snd_riptide *chip = dev_id;
1707         struct cmdif *cif = chip->cif;
1708
1709         if (cif) {
1710                 chip->received_irqs++;
1711                 if (IS_EOBIRQ(cif->hwport) || IS_EOSIRQ(cif->hwport) ||
1712                     IS_EOCIRQ(cif->hwport)) {
1713                         chip->handled_irqs++;
1714                         tasklet_schedule(&chip->riptide_tq);
1715                 }
1716                 if (chip->rmidi && IS_MPUIRQ(cif->hwport)) {
1717                         chip->handled_irqs++;
1718                         snd_mpu401_uart_interrupt(irq,
1719                                                   chip->rmidi->private_data);
1720                 }
1721                 SET_AIACK(cif->hwport);
1722         }
1723         return IRQ_HANDLED;
1724 }
1725
1726 static void
1727 snd_riptide_codec_write(struct snd_ac97 *ac97, unsigned short reg,
1728                         unsigned short val)
1729 {
1730         struct snd_riptide *chip = ac97->private_data;
1731         struct cmdif *cif = chip->cif;
1732         union cmdret rptr = CMDRET_ZERO;
1733         int i = 0;
1734
1735         if (snd_BUG_ON(!cif))
1736                 return;
1737
1738         snd_printdd("Write AC97 reg 0x%x 0x%x\n", reg, val);
1739         do {
1740                 SEND_SACR(cif, val, reg);
1741                 SEND_RACR(cif, reg, &rptr);
1742         } while (rptr.retwords[1] != val && i++ < MAX_WRITE_RETRY);
1743         if (i > MAX_WRITE_RETRY)
1744                 snd_printdd("Write AC97 reg failed\n");
1745 }
1746
1747 static unsigned short snd_riptide_codec_read(struct snd_ac97 *ac97,
1748                                              unsigned short reg)
1749 {
1750         struct snd_riptide *chip = ac97->private_data;
1751         struct cmdif *cif = chip->cif;
1752         union cmdret rptr = CMDRET_ZERO;
1753
1754         if (snd_BUG_ON(!cif))
1755                 return 0;
1756
1757         if (SEND_RACR(cif, reg, &rptr) != 0)
1758                 SEND_RACR(cif, reg, &rptr);
1759         snd_printdd("Read AC97 reg 0x%x got 0x%x\n", reg, rptr.retwords[1]);
1760         return rptr.retwords[1];
1761 }
1762
1763 static int snd_riptide_initialize(struct snd_riptide *chip)
1764 {
1765         struct cmdif *cif;
1766         unsigned int device_id;
1767         int err;
1768
1769         if (snd_BUG_ON(!chip))
1770                 return -EINVAL;
1771
1772         cif = chip->cif;
1773         if (!cif) {
1774                 if ((cif = kzalloc(sizeof(struct cmdif), GFP_KERNEL)) == NULL)
1775                         return -ENOMEM;
1776                 cif->hwport = (struct riptideport *)chip->port;
1777                 spin_lock_init(&cif->lock);
1778                 chip->cif = cif;
1779         }
1780         cif->is_reset = 0;
1781         if ((err = riptide_reset(cif, chip)) != 0)
1782                 return err;
1783         device_id = chip->device_id;
1784         switch (device_id) {
1785         case 0x4310:
1786         case 0x4320:
1787         case 0x4330:
1788                 snd_printdd("Modem enable?\n");
1789                 SEND_SETDPLL(cif);
1790                 break;
1791         }
1792         snd_printdd("Enabling MPU IRQs\n");
1793         if (chip->rmidi)
1794                 SET_EMPUIRQ(cif->hwport);
1795         return err;
1796 }
1797
1798 static int snd_riptide_free(struct snd_riptide *chip)
1799 {
1800         struct cmdif *cif;
1801
1802         if (!chip)
1803                 return 0;
1804
1805         if ((cif = chip->cif)) {
1806                 SET_GRESET(cif->hwport);
1807                 udelay(100);
1808                 UNSET_GRESET(cif->hwport);
1809                 kfree(chip->cif);
1810         }
1811         if (chip->irq >= 0)
1812                 free_irq(chip->irq, chip);
1813         release_firmware(chip->fw_entry);
1814         release_and_free_resource(chip->res_port);
1815         kfree(chip);
1816         return 0;
1817 }
1818
1819 static int snd_riptide_dev_free(struct snd_device *device)
1820 {
1821         struct snd_riptide *chip = device->device_data;
1822
1823         return snd_riptide_free(chip);
1824 }
1825
1826 static int
1827 snd_riptide_create(struct snd_card *card, struct pci_dev *pci,
1828                    struct snd_riptide **rchip)
1829 {
1830         struct snd_riptide *chip;
1831         struct riptideport *hwport;
1832         int err;
1833         static struct snd_device_ops ops = {
1834                 .dev_free = snd_riptide_dev_free,
1835         };
1836
1837         *rchip = NULL;
1838         if ((err = pci_enable_device(pci)) < 0)
1839                 return err;
1840         if (!(chip = kzalloc(sizeof(struct snd_riptide), GFP_KERNEL)))
1841                 return -ENOMEM;
1842
1843         spin_lock_init(&chip->lock);
1844         chip->card = card;
1845         chip->pci = pci;
1846         chip->irq = -1;
1847         chip->openstreams = 0;
1848         chip->port = pci_resource_start(pci, 0);
1849         chip->received_irqs = 0;
1850         chip->handled_irqs = 0;
1851         chip->cif = NULL;
1852         tasklet_init(&chip->riptide_tq, riptide_handleirq, (unsigned long)chip);
1853
1854         if ((chip->res_port =
1855              request_region(chip->port, 64, "RIPTIDE")) == NULL) {
1856                 snd_printk(KERN_ERR
1857                            "Riptide: unable to grab region 0x%lx-0x%lx\n",
1858                            chip->port, chip->port + 64 - 1);
1859                 snd_riptide_free(chip);
1860                 return -EBUSY;
1861         }
1862         hwport = (struct riptideport *)chip->port;
1863         UNSET_AIE(hwport);
1864
1865         if (request_irq(pci->irq, snd_riptide_interrupt, IRQF_SHARED,
1866                         KBUILD_MODNAME, chip)) {
1867                 snd_printk(KERN_ERR "Riptide: unable to grab IRQ %d\n",
1868                            pci->irq);
1869                 snd_riptide_free(chip);
1870                 return -EBUSY;
1871         }
1872         chip->irq = pci->irq;
1873         chip->device_id = pci->device;
1874         pci_set_master(pci);
1875         if ((err = snd_riptide_initialize(chip)) < 0) {
1876                 snd_riptide_free(chip);
1877                 return err;
1878         }
1879
1880         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1881                 snd_riptide_free(chip);
1882                 return err;
1883         }
1884
1885         *rchip = chip;
1886         return 0;
1887 }
1888
1889 static void
1890 snd_riptide_proc_read(struct snd_info_entry *entry,
1891                       struct snd_info_buffer *buffer)
1892 {
1893         struct snd_riptide *chip = entry->private_data;
1894         struct pcmhw *data;
1895         int i;
1896         struct cmdif *cif = NULL;
1897         unsigned char p[256];
1898         unsigned short rval = 0, lval = 0;
1899         unsigned int rate;
1900
1901         if (!chip)
1902                 return;
1903
1904         snd_iprintf(buffer, "%s\n\n", chip->card->longname);
1905         snd_iprintf(buffer, "Device ID: 0x%x\nReceived IRQs: (%ld)%ld\nPorts:",
1906                     chip->device_id, chip->handled_irqs, chip->received_irqs);
1907         for (i = 0; i < 64; i += 4)
1908                 snd_iprintf(buffer, "%c%02x: %08x",
1909                             (i % 16) ? ' ' : '\n', i, inl(chip->port + i));
1910         if ((cif = chip->cif)) {
1911                 snd_iprintf(buffer,
1912                             "\nVersion: ASIC: %d CODEC: %d AUXDSP: %d PROG: %d",
1913                             chip->firmware.firmware.ASIC,
1914                             chip->firmware.firmware.CODEC,
1915                             chip->firmware.firmware.AUXDSP,
1916                             chip->firmware.firmware.PROG);
1917                 snd_iprintf(buffer, "\nDigital mixer:");
1918                 for (i = 0; i < 12; i++) {
1919                         getmixer(cif, i, &rval, &lval);
1920                         snd_iprintf(buffer, "\n %d: %d %d", i, rval, lval);
1921                 }
1922                 snd_iprintf(buffer,
1923                             "\nARM Commands num: %d failed: %d time: %d max: %d min: %d",
1924                             cif->cmdcnt, cif->errcnt,
1925                             cif->cmdtime, cif->cmdtimemax, cif->cmdtimemin);
1926         }
1927         snd_iprintf(buffer, "\nOpen streams %d:\n", chip->openstreams);
1928         for (i = 0; i < PLAYBACK_SUBSTREAMS; i++) {
1929                 if (chip->playback_substream[i]
1930                     && chip->playback_substream[i]->runtime
1931                     && (data =
1932                         chip->playback_substream[i]->runtime->private_data)) {
1933                         snd_iprintf(buffer,
1934                                     "stream: %d mixer: %d source: %d (%d,%d)\n",
1935                                     data->id, data->mixer, data->source,
1936                                     data->intdec[0], data->intdec[1]);
1937                         if (!(getsamplerate(cif, data->intdec, &rate)))
1938                                 snd_iprintf(buffer, "rate: %d\n", rate);
1939                 }
1940         }
1941         if (chip->capture_substream
1942             && chip->capture_substream->runtime
1943             && (data = chip->capture_substream->runtime->private_data)) {
1944                 snd_iprintf(buffer,
1945                             "stream: %d mixer: %d source: %d (%d,%d)\n",
1946                             data->id, data->mixer,
1947                             data->source, data->intdec[0], data->intdec[1]);
1948                 if (!(getsamplerate(cif, data->intdec, &rate)))
1949                         snd_iprintf(buffer, "rate: %d\n", rate);
1950         }
1951         snd_iprintf(buffer, "Paths:\n");
1952         i = getpaths(cif, p);
1953         while (i >= 2) {
1954                 i -= 2;
1955                 snd_iprintf(buffer, "%x->%x ", p[i], p[i + 1]);
1956         }
1957         snd_iprintf(buffer, "\n");
1958 }
1959
1960 static void snd_riptide_proc_init(struct snd_riptide *chip)
1961 {
1962         snd_card_ro_proc_new(chip->card, "riptide", chip,
1963                              snd_riptide_proc_read);
1964 }
1965
1966 static int snd_riptide_mixer(struct snd_riptide *chip)
1967 {
1968         struct snd_ac97_bus *pbus;
1969         struct snd_ac97_template ac97;
1970         int err = 0;
1971         static struct snd_ac97_bus_ops ops = {
1972                 .write = snd_riptide_codec_write,
1973                 .read = snd_riptide_codec_read,
1974         };
1975
1976         memset(&ac97, 0, sizeof(ac97));
1977         ac97.private_data = chip;
1978         ac97.scaps = AC97_SCAP_SKIP_MODEM;
1979
1980         if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0)
1981                 return err;
1982
1983         chip->ac97_bus = pbus;
1984         ac97.pci = chip->pci;
1985         if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97)) < 0)
1986                 return err;
1987         return err;
1988 }
1989
1990 #ifdef SUPPORT_JOYSTICK
1991
1992 static int
1993 snd_riptide_joystick_probe(struct pci_dev *pci, const struct pci_device_id *id)
1994 {
1995         static int dev;
1996         struct gameport *gameport;
1997         int ret;
1998
1999         if (dev >= SNDRV_CARDS)
2000                 return -ENODEV;
2001
2002         if (!enable[dev]) {
2003                 ret = -ENOENT;
2004                 goto inc_dev;
2005         }
2006
2007         if (!joystick_port[dev]) {
2008                 ret = 0;
2009                 goto inc_dev;
2010         }
2011
2012         gameport = gameport_allocate_port();
2013         if (!gameport) {
2014                 ret = -ENOMEM;
2015                 goto inc_dev;
2016         }
2017         if (!request_region(joystick_port[dev], 8, "Riptide gameport")) {
2018                 snd_printk(KERN_WARNING
2019                            "Riptide: cannot grab gameport 0x%x\n",
2020                            joystick_port[dev]);
2021                 gameport_free_port(gameport);
2022                 ret = -EBUSY;
2023                 goto inc_dev;
2024         }
2025
2026         gameport->io = joystick_port[dev];
2027         gameport_register_port(gameport);
2028         pci_set_drvdata(pci, gameport);
2029
2030         ret = 0;
2031 inc_dev:
2032         dev++;
2033         return ret;
2034 }
2035
2036 static void snd_riptide_joystick_remove(struct pci_dev *pci)
2037 {
2038         struct gameport *gameport = pci_get_drvdata(pci);
2039         if (gameport) {
2040                 release_region(gameport->io, 8);
2041                 gameport_unregister_port(gameport);
2042         }
2043 }
2044 #endif
2045
2046 static int
2047 snd_card_riptide_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2048 {
2049         static int dev;
2050         struct snd_card *card;
2051         struct snd_riptide *chip;
2052         unsigned short val;
2053         int err;
2054
2055         if (dev >= SNDRV_CARDS)
2056                 return -ENODEV;
2057         if (!enable[dev]) {
2058                 dev++;
2059                 return -ENOENT;
2060         }
2061
2062         err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2063                            0, &card);
2064         if (err < 0)
2065                 return err;
2066         err = snd_riptide_create(card, pci, &chip);
2067         if (err < 0)
2068                 goto error;
2069         card->private_data = chip;
2070         err = snd_riptide_pcm(chip, 0);
2071         if (err < 0)
2072                 goto error;
2073         err = snd_riptide_mixer(chip);
2074         if (err < 0)
2075                 goto error;
2076
2077         val = LEGACY_ENABLE_ALL;
2078         if (opl3_port[dev])
2079                 val |= LEGACY_ENABLE_FM;
2080 #ifdef SUPPORT_JOYSTICK
2081         if (joystick_port[dev])
2082                 val |= LEGACY_ENABLE_GAMEPORT;
2083 #endif
2084         if (mpu_port[dev])
2085                 val |= LEGACY_ENABLE_MPU_INT | LEGACY_ENABLE_MPU;
2086         val |= (chip->irq << 4) & 0xf0;
2087         pci_write_config_word(chip->pci, PCI_EXT_Legacy_Mask, val);
2088         if (mpu_port[dev]) {
2089                 val = mpu_port[dev];
2090                 pci_write_config_word(chip->pci, PCI_EXT_MPU_Base, val);
2091                 err = snd_mpu401_uart_new(card, 0, MPU401_HW_RIPTIDE,
2092                                           val, MPU401_INFO_IRQ_HOOK, -1,
2093                                           &chip->rmidi);
2094                 if (err < 0)
2095                         snd_printk(KERN_WARNING
2096                                    "Riptide: Can't Allocate MPU at 0x%x\n",
2097                                    val);
2098                 else
2099                         chip->mpuaddr = val;
2100         }
2101         if (opl3_port[dev]) {
2102                 val = opl3_port[dev];
2103                 pci_write_config_word(chip->pci, PCI_EXT_FM_Base, val);
2104                 err = snd_opl3_create(card, val, val + 2,
2105                                       OPL3_HW_RIPTIDE, 0, &chip->opl3);
2106                 if (err < 0)
2107                         snd_printk(KERN_WARNING
2108                                    "Riptide: Can't Allocate OPL3 at 0x%x\n",
2109                                    val);
2110                 else {
2111                         chip->opladdr = val;
2112                         err = snd_opl3_hwdep_new(chip->opl3, 0, 1, NULL);
2113                         if (err < 0)
2114                                 snd_printk(KERN_WARNING
2115                                            "Riptide: Can't Allocate OPL3-HWDEP\n");
2116                 }
2117         }
2118 #ifdef SUPPORT_JOYSTICK
2119         if (joystick_port[dev]) {
2120                 val = joystick_port[dev];
2121                 pci_write_config_word(chip->pci, PCI_EXT_Game_Base, val);
2122                 chip->gameaddr = val;
2123         }
2124 #endif
2125
2126         strcpy(card->driver, "RIPTIDE");
2127         strcpy(card->shortname, "Riptide");
2128 #ifdef SUPPORT_JOYSTICK
2129         snprintf(card->longname, sizeof(card->longname),
2130                  "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x gameport 0x%x",
2131                  card->shortname, chip->port, chip->irq, chip->mpuaddr,
2132                  chip->opladdr, chip->gameaddr);
2133 #else
2134         snprintf(card->longname, sizeof(card->longname),
2135                  "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x",
2136                  card->shortname, chip->port, chip->irq, chip->mpuaddr,
2137                  chip->opladdr);
2138 #endif
2139         snd_riptide_proc_init(chip);
2140         err = snd_card_register(card);
2141         if (err < 0)
2142                 goto error;
2143         pci_set_drvdata(pci, card);
2144         dev++;
2145         return 0;
2146
2147  error:
2148         snd_card_free(card);
2149         return err;
2150 }
2151
2152 static void snd_card_riptide_remove(struct pci_dev *pci)
2153 {
2154         snd_card_free(pci_get_drvdata(pci));
2155 }
2156
2157 static struct pci_driver driver = {
2158         .name = KBUILD_MODNAME,
2159         .id_table = snd_riptide_ids,
2160         .probe = snd_card_riptide_probe,
2161         .remove = snd_card_riptide_remove,
2162         .driver = {
2163                 .pm = RIPTIDE_PM_OPS,
2164         },
2165 };
2166
2167 #ifdef SUPPORT_JOYSTICK
2168 static struct pci_driver joystick_driver = {
2169         .name = KBUILD_MODNAME "-joystick",
2170         .id_table = snd_riptide_joystick_ids,
2171         .probe = snd_riptide_joystick_probe,
2172         .remove = snd_riptide_joystick_remove,
2173 };
2174 #endif
2175
2176 static int __init alsa_card_riptide_init(void)
2177 {
2178         int err;
2179         err = pci_register_driver(&driver);
2180         if (err < 0)
2181                 return err;
2182 #if defined(SUPPORT_JOYSTICK)
2183         err = pci_register_driver(&joystick_driver);
2184         /* On failure unregister formerly registered audio driver */
2185         if (err < 0)
2186                 pci_unregister_driver(&driver);
2187 #endif
2188         return err;
2189 }
2190
2191 static void __exit alsa_card_riptide_exit(void)
2192 {
2193         pci_unregister_driver(&driver);
2194 #if defined(SUPPORT_JOYSTICK)
2195         pci_unregister_driver(&joystick_driver);
2196 #endif
2197 }
2198
2199 module_init(alsa_card_riptide_init);
2200 module_exit(alsa_card_riptide_exit);