sound/pci/riptide/riptide.c

   1 /*
   2  *   Driver for the Conexant Riptide Soundchip
   3  *
   4  *      Copyright (c) 2004 Peter Gruber <nokos@gmx.net>
   5  *
   6  *   This program is free software; you can redistribute it and/or modify
   7  *   it under the terms of the GNU General Public License as published by
   8  *   the Free Software Foundation; either version 2 of the License, or
   9  *   (at your option) any later version.
  10  *
  11  *   This program is distributed in the hope that it will be useful,
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *   GNU General Public License for more details.
  15  *
  16  *   You should have received a copy of the GNU General Public License
  17  *   along with this program; if not, write to the Free Software
  18  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19  *
  20  */
  21 /*
  22   History:
  23    - 02/15/2004 first release
  24
  25   This Driver is based on the OSS Driver version from Linuxant (riptide-0.6lnxtbeta03111100)
  26   credits from the original files:
  27
  28   MODULE NAME:        cnxt_rt.h
  29   AUTHOR:             K. Lazarev  (Transcribed by KNL)
  30   HISTORY:         Major Revision               Date        By
  31             -----------------------------     --------     -----
  32             Created                           02/1/2000     KNL
  33
  34   MODULE NAME:     int_mdl.c
  35   AUTHOR:          Konstantin Lazarev    (Transcribed by KNL)
  36   HISTORY:         Major Revision               Date        By
  37             -----------------------------     --------     -----
  38             Created                           10/01/99      KNL
  39
  40   MODULE NAME:        riptide.h
  41   AUTHOR:             O. Druzhinin  (Transcribed by OLD)
  42   HISTORY:         Major Revision               Date        By
  43             -----------------------------     --------     -----
  44             Created                           10/16/97      OLD
  45
  46   MODULE NAME:        Rp_Cmdif.cpp
  47   AUTHOR:             O. Druzhinin  (Transcribed by OLD)
  48                       K. Lazarev    (Transcribed by KNL)
  49   HISTORY:         Major Revision               Date        By
  50             -----------------------------     --------     -----
  51             Adopted from NT4 driver            6/22/99      OLD
  52             Ported to Linux                    9/01/99      KNL
  53
  54   MODULE NAME:        rt_hw.c
  55   AUTHOR:             O. Druzhinin  (Transcribed by OLD)
  56                       C. Lazarev    (Transcribed by CNL)
  57   HISTORY:         Major Revision               Date        By
  58             -----------------------------     --------     -----
  59             Created                           11/18/97      OLD
  60             Hardware functions for RipTide    11/24/97      CNL
  61             (ES1) are coded
  62             Hardware functions for RipTide    12/24/97      CNL
  63             (A0) are coded
  64             Hardware functions for RipTide    03/20/98      CNL
  65             (A1) are coded
  66             Boot loader is included           05/07/98      CNL
  67             Redesigned for WDM                07/27/98      CNL
  68             Redesigned for Linux              09/01/99      CNL
  69
  70   MODULE NAME:        rt_hw.h
  71   AUTHOR:             C. Lazarev    (Transcribed by CNL)
  72   HISTORY:         Major Revision               Date        By
  73             -----------------------------     --------     -----
  74             Created                           11/18/97      CNL
  75
  76   MODULE NAME:     rt_mdl.c
  77   AUTHOR:          Konstantin Lazarev    (Transcribed by KNL)
  78   HISTORY:         Major Revision               Date        By
  79             -----------------------------     --------     -----
  80             Created                           10/01/99      KNL
  81
  82   MODULE NAME:        mixer.h
  83   AUTHOR:             K. Kenney
  84   HISTORY:         Major Revision                   Date          By
  85             -----------------------------          --------     -----
  86             Created from MS W95 Sample             11/28/95      KRS
  87             RipTide                                10/15/97      KRS
  88             Adopted for Windows NT driver          01/20/98      CNL
  89 */
  90
  91 #include <sound/driver.h>
  92 #include <linux/delay.h>
  93 #include <linux/init.h>
  94 #include <linux/interrupt.h>
  95 #include <linux/pci.h>
  96 #include <linux/slab.h>
  97 #include <linux/wait.h>
  98 #include <linux/gameport.h>
  99 #include <linux/device.h>
 100 #include <linux/firmware.h>
 101 #include <asm/io.h>
 102 #include <sound/core.h>
 103 #include <sound/info.h>
 104 #include <sound/control.h>
 105 #include <sound/pcm.h>
 106 #include <sound/pcm_params.h>
 107 #include <sound/ac97_codec.h>
 108 #include <sound/mpu401.h>
 109 #include <sound/opl3.h>
 110 #include <sound/initval.h>
 111
 112 #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
 113 #define SUPPORT_JOYSTICK 1
 114 #endif
 115
 116 MODULE_AUTHOR("Peter Gruber <nokos@gmx.net>");
 117 MODULE_DESCRIPTION("riptide");
 118 MODULE_LICENSE("GPL");
 119 MODULE_SUPPORTED_DEVICE("{{Conexant,Riptide}}");
 120
 121 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
 122 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
 123 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
 124
 125 #ifdef SUPPORT_JOYSTICK
 126 static int joystick_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x200 };
 127 #endif
 128 static int mpu_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x330 };
 129 static int opl3_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x388 };
 130
 131 module_param_array(index, int, NULL, 0444);
 132 MODULE_PARM_DESC(index, "Index value for Riptide soundcard.");
 133 module_param_array(id, charp, NULL, 0444);
 134 MODULE_PARM_DESC(id, "ID string for Riptide soundcard.");
 135 module_param_array(enable, bool, NULL, 0444);
 136 MODULE_PARM_DESC(enable, "Enable Riptide soundcard.");
 137 #ifdef SUPPORT_JOYSTICK
 138 module_param_array(joystick_port, int, NULL, 0444);
 139 MODULE_PARM_DESC(joystick_port, "Joystick port # for Riptide soundcard.");
 140 #endif
 141 module_param_array(mpu_port, int, NULL, 0444);
 142 MODULE_PARM_DESC(mpu_port, "MPU401 port # for Riptide driver.");
 143 module_param_array(opl3_port, int, NULL, 0444);
 144 MODULE_PARM_DESC(opl3_port, "OPL3 port # for Riptide driver.");
 145
 146 /*
 147  */
 148
 149 #define MPU401_HW_RIPTIDE MPU401_HW_MPU401
 150 #define OPL3_HW_RIPTIDE   OPL3_HW_OPL3
 151
 152 #define PCI_EXT_CapId       0x40
 153 #define PCI_EXT_NextCapPrt  0x41
 154 #define PCI_EXT_PWMC        0x42
 155 #define PCI_EXT_PWSCR       0x44
 156 #define PCI_EXT_Data00      0x46
 157 #define PCI_EXT_PMSCR_BSE   0x47
 158 #define PCI_EXT_SB_Base     0x48
 159 #define PCI_EXT_FM_Base     0x4a
 160 #define PCI_EXT_MPU_Base    0x4C
 161 #define PCI_EXT_Game_Base   0x4E
 162 #define PCI_EXT_Legacy_Mask 0x50
 163 #define PCI_EXT_AsicRev     0x52
 164 #define PCI_EXT_Reserved3   0x53
 165
 166 #define LEGACY_ENABLE_ALL      0x8000   /* legacy device options */
 167 #define LEGACY_ENABLE_SB       0x4000
 168 #define LEGACY_ENABLE_FM       0x2000
 169 #define LEGACY_ENABLE_MPU_INT  0x1000
 170 #define LEGACY_ENABLE_MPU      0x0800
 171 #define LEGACY_ENABLE_GAMEPORT 0x0400
 172
 173 #define MAX_WRITE_RETRY  10     /* cmd interface limits */
 174 #define MAX_ERROR_COUNT  10
 175 #define CMDIF_TIMEOUT    500000
 176 #define RESET_TRIES      5
 177
 178 #define READ_PORT_ULONG(p)     inl((unsigned long)&(p))
 179 #define WRITE_PORT_ULONG(p,x)  outl(x,(unsigned long)&(p))
 180
 181 #define READ_AUDIO_CONTROL(p)     READ_PORT_ULONG(p->audio_control)
 182 #define WRITE_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,x)
 183 #define UMASK_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)|x)
 184 #define MASK_AUDIO_CONTROL(p,x)   WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)&x)
 185 #define READ_AUDIO_STATUS(p)      READ_PORT_ULONG(p->audio_status)
 186
 187 #define SET_GRESET(p)     UMASK_AUDIO_CONTROL(p,0x0001) /* global reset switch */
 188 #define UNSET_GRESET(p)   MASK_AUDIO_CONTROL(p,~0x0001)
 189 #define SET_AIE(p)        UMASK_AUDIO_CONTROL(p,0x0004) /* interrupt enable */
 190 #define UNSET_AIE(p)      MASK_AUDIO_CONTROL(p,~0x0004)
 191 #define SET_AIACK(p)      UMASK_AUDIO_CONTROL(p,0x0008) /* interrupt acknowledge */
 192 #define UNSET_AIACKT(p)   MASKAUDIO_CONTROL(p,~0x0008)
 193 #define SET_ECMDAE(p)     UMASK_AUDIO_CONTROL(p,0x0010)
 194 #define UNSET_ECMDAE(p)   MASK_AUDIO_CONTROL(p,~0x0010)
 195 #define SET_ECMDBE(p)     UMASK_AUDIO_CONTROL(p,0x0020)
 196 #define UNSET_ECMDBE(p)   MASK_AUDIO_CONTROL(p,~0x0020)
 197 #define SET_EDATAF(p)     UMASK_AUDIO_CONTROL(p,0x0040)
 198 #define UNSET_EDATAF(p)   MASK_AUDIO_CONTROL(p,~0x0040)
 199 #define SET_EDATBF(p)     UMASK_AUDIO_CONTROL(p,0x0080)
 200 #define UNSET_EDATBF(p)   MASK_AUDIO_CONTROL(p,~0x0080)
 201 #define SET_ESBIRQON(p)   UMASK_AUDIO_CONTROL(p,0x0100)
 202 #define UNSET_ESBIRQON(p) MASK_AUDIO_CONTROL(p,~0x0100)
 203 #define SET_EMPUIRQ(p)    UMASK_AUDIO_CONTROL(p,0x0200)
 204 #define UNSET_EMPUIRQ(p)  MASK_AUDIO_CONTROL(p,~0x0200)
 205 #define IS_CMDE(a)        (READ_PORT_ULONG(a->stat)&0x1)        /* cmd empty */
 206 #define IS_DATF(a)        (READ_PORT_ULONG(a->stat)&0x2)        /* data filled */
 207 #define IS_READY(p)       (READ_AUDIO_STATUS(p)&0x0001)
 208 #define IS_DLREADY(p)     (READ_AUDIO_STATUS(p)&0x0002)
 209 #define IS_DLERR(p)       (READ_AUDIO_STATUS(p)&0x0004)
 210 #define IS_GERR(p)        (READ_AUDIO_STATUS(p)&0x0008) /* error ! */
 211 #define IS_CMDAEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0010)
 212 #define IS_CMDBEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0020)
 213 #define IS_DATAFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0040)
 214 #define IS_DATBFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0080)
 215 #define IS_EOBIRQ(p)      (READ_AUDIO_STATUS(p)&0x0100) /* interrupt status */
 216 #define IS_EOSIRQ(p)      (READ_AUDIO_STATUS(p)&0x0200)
 217 #define IS_EOCIRQ(p)      (READ_AUDIO_STATUS(p)&0x0400)
 218 #define IS_UNSLIRQ(p)     (READ_AUDIO_STATUS(p)&0x0800)
 219 #define IS_SBIRQ(p)       (READ_AUDIO_STATUS(p)&0x1000)
 220 #define IS_MPUIRQ(p)      (READ_AUDIO_STATUS(p)&0x2000)
 221
 222 #define RESP 0x00000001         /* command flags */
 223 #define PARM 0x00000002
 224 #define CMDA 0x00000004
 225 #define CMDB 0x00000008
 226 #define NILL 0x00000000
 227
 228 #define LONG0(a)   ((u32)a)     /* shifts and masks */
 229 #define BYTE0(a)   (LONG0(a)&0xff)
 230 #define BYTE1(a)   (BYTE0(a)<<8)
 231 #define BYTE2(a)   (BYTE0(a)<<16)
 232 #define BYTE3(a)   (BYTE0(a)<<24)
 233 #define WORD0(a)   (LONG0(a)&0xffff)
 234 #define WORD1(a)   (WORD0(a)<<8)
 235 #define WORD2(a)   (WORD0(a)<<16)
 236 #define TRINIB0(a) (LONG0(a)&0xffffff)
 237 #define TRINIB1(a) (TRINIB0(a)<<8)
 238
 239 #define RET(a)     ((union cmdret *)(a))
 240
 241 #define SEND_GETV(p,b)             sendcmd(p,RESP,GETV,0,RET(b))        /* get version */
 242 #define SEND_GETC(p,b,c)           sendcmd(p,PARM|RESP,GETC,c,RET(b))
 243 #define SEND_GUNS(p,b)             sendcmd(p,RESP,GUNS,0,RET(b))
 244 #define SEND_SCID(p,b)             sendcmd(p,RESP,SCID,0,RET(b))
 245 #define SEND_RMEM(p,b,c,d)         sendcmd(p,PARM|RESP,RMEM|BYTE1(b),LONG0(c),RET(d))   /* memory access for firmware write */
 246 #define SEND_SMEM(p,b,c)           sendcmd(p,PARM,SMEM|BYTE1(b),LONG0(c),RET(0))        /* memory access for firmware write */
 247 #define SEND_WMEM(p,b,c)           sendcmd(p,PARM,WMEM|BYTE1(b),LONG0(c),RET(0))        /* memory access for firmware write */
 248 #define SEND_SDTM(p,b,c)           sendcmd(p,PARM|RESP,SDTM|TRINIB1(b),0,RET(c))        /* memory access for firmware write */
 249 #define SEND_GOTO(p,b)             sendcmd(p,PARM,GOTO,LONG0(b),RET(0)) /* memory access for firmware write */
 250 #define SEND_SETDPLL(p)            sendcmd(p,0,ARM_SETDPLL,0,RET(0))
 251 #define SEND_SSTR(p,b,c)           sendcmd(p,PARM,SSTR|BYTE3(b),LONG0(c),RET(0))        /* start stream */
 252 #define SEND_PSTR(p,b)             sendcmd(p,PARM,PSTR,BYTE3(b),RET(0)) /* pause stream */
 253 #define SEND_KSTR(p,b)             sendcmd(p,PARM,KSTR,BYTE3(b),RET(0)) /* stop stream */
 254 #define SEND_KDMA(p)               sendcmd(p,0,KDMA,0,RET(0))   /* stop all dma */
 255 #define SEND_GPOS(p,b,c,d)         sendcmd(p,PARM|RESP,GPOS,BYTE3(c)|BYTE2(b),RET(d))   /* get position in dma */
 256 #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 */
 257 #define SEND_GSTS(p,b,c,d)         sendcmd(p,PARM|RESP,GSTS,BYTE3(c)|BYTE2(b),RET(d))
 258 #define SEND_NGPOS(p,b,c,d)        sendcmd(p,PARM|RESP,NGPOS,BYTE3(c)|BYTE2(b),RET(d))
 259 #define SEND_PSEL(p,b,c)           sendcmd(p,PARM,PSEL,BYTE2(b)|BYTE3(c),RET(0))        /* activate lbus path */
 260 #define SEND_PCLR(p,b,c)           sendcmd(p,PARM,PCLR,BYTE2(b)|BYTE3(c),RET(0))        /* deactivate lbus path */
 261 #define SEND_PLST(p,b)             sendcmd(p,PARM,PLST,BYTE3(b),RET(0))
 262 #define SEND_RSSV(p,b,c,d)         sendcmd(p,PARM|RESP,RSSV,BYTE2(b)|BYTE3(c),RET(d))
 263 #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 */
 264 #define SEND_SSRC(p,b,c,d,e)       sendcmd(p,PARM,SSRC|BYTE1(b)|WORD2(c),WORD0(d)|WORD2(e),RET(0))      /* configure source */
 265 #define SEND_SLST(p,b)             sendcmd(p,PARM,SLST,BYTE3(b),RET(0))
 266 #define SEND_RSRC(p,b,c)           sendcmd(p,RESP,RSRC|BYTE1(b),0,RET(c))       /* read source config */
 267 #define SEND_SSRB(p,b,c)           sendcmd(p,PARM,SSRB|BYTE1(b),WORD2(c),RET(0))
 268 #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 */
 269 #define SEND_RDGV(p,b,c,d)         sendcmd(p,PARM|RESP,RDGV|BYTE2(b)|BYTE3(c),0,RET(d)) /* read digital mixer */
 270 #define SEND_DLST(p,b)             sendcmd(p,PARM,DLST,BYTE3(b),RET(0))
 271 #define SEND_SACR(p,b,c)           sendcmd(p,PARM,SACR,WORD0(b)|WORD2(c),RET(0))        /* set AC97 register */
 272 #define SEND_RACR(p,b,c)           sendcmd(p,PARM|RESP,RACR,WORD2(b),RET(c))    /* get AC97 register */
 273 #define SEND_ALST(p,b)             sendcmd(p,PARM,ALST,BYTE3(b),RET(0))
 274 #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))
 275 #define SEND_RXAC(p,b,c,d)         sendcmd(p,PARM|RESP,RXAC,BYTE2(b)|BYTE3(c),RET(d))
 276 #define SEND_SI2S(p,b)             sendcmd(p,PARM,SI2S,WORD2(b),RET(0))
 277
 278 #define EOB_STATUS         0x80000000   /* status flags : block boundary */
 279 #define EOS_STATUS         0x40000000   /*              : stoppped */
 280 #define EOC_STATUS         0x20000000   /*              : stream end */
 281 #define ERR_STATUS         0x10000000
 282 #define EMPTY_STATUS       0x08000000
 283
 284 #define IEOB_ENABLE        0x1  /* enable interrupts for status notification above */
 285 #define IEOS_ENABLE        0x2
 286 #define IEOC_ENABLE        0x4
 287 #define RDONCE             0x8
 288 #define DESC_MAX_MASK      0xff
 289
 290 #define ST_PLAY  0x1            /* stream states */
 291 #define ST_STOP  0x2
 292 #define ST_PAUSE 0x4
 293
 294 #define I2S_INTDEC     3        /* config for I2S link */
 295 #define I2S_MERGER     0
 296 #define I2S_SPLITTER   0
 297 #define I2S_MIXER      7
 298 #define I2S_RATE       44100
 299
 300 #define MODEM_INTDEC   4        /* config for modem link */
 301 #define MODEM_MERGER   3
 302 #define MODEM_SPLITTER 0
 303 #define MODEM_MIXER    11
 304
 305 #define FM_INTDEC      3        /* config for FM/OPL3 link */
 306 #define FM_MERGER      0
 307 #define FM_SPLITTER    0
 308 #define FM_MIXER       9
 309
 310 #define SPLIT_PATH  0x80        /* path splitting flag */
 311
 312 enum FIRMWARE {
 313         DATA_REC = 0, EXT_END_OF_FILE, EXT_SEG_ADDR_REC, EXT_GOTO_CMD_REC,
 314         EXT_LIN_ADDR_REC,
 315 };
 316
 317 enum CMDS {
 318         GETV = 0x00, GETC, GUNS, SCID, RMEM =
 319             0x10, SMEM, WMEM, SDTM, GOTO, SSTR =
 320             0x20, PSTR, KSTR, KDMA, GPOS, SETF, GSTS, NGPOS, PSEL =
 321             0x30, PCLR, PLST, RSSV, LSEL, SSRC = 0x40, SLST, RSRC, SSRB, SDGV =
 322             0x50, RDGV, DLST, SACR = 0x60, RACR, ALST, TXAC, RXAC, SI2S =
 323             0x70, ARM_SETDPLL = 0x72,
 324 };
 325
 326 enum E1SOURCE {
 327         ARM2LBUS_FIFO0 = 0, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2, ARM2LBUS_FIFO3,
 328         ARM2LBUS_FIFO4, ARM2LBUS_FIFO5, ARM2LBUS_FIFO6, ARM2LBUS_FIFO7,
 329         ARM2LBUS_FIFO8, ARM2LBUS_FIFO9, ARM2LBUS_FIFO10, ARM2LBUS_FIFO11,
 330         ARM2LBUS_FIFO12, ARM2LBUS_FIFO13, ARM2LBUS_FIFO14, ARM2LBUS_FIFO15,
 331         INTER0_OUT, INTER1_OUT, INTER2_OUT, INTER3_OUT, INTER4_OUT,
 332         INTERM0_OUT, INTERM1_OUT, INTERM2_OUT, INTERM3_OUT, INTERM4_OUT,
 333         INTERM5_OUT, INTERM6_OUT, DECIMM0_OUT, DECIMM1_OUT, DECIMM2_OUT,
 334         DECIMM3_OUT, DECIM0_OUT, SR3_4_OUT, OPL3_SAMPLE, ASRC0, ASRC1,
 335         ACLNK2PADC, ACLNK2MODEM0RX, ACLNK2MIC, ACLNK2MODEM1RX, ACLNK2HNDMIC,
 336         DIGITAL_MIXER_OUT0, GAINFUNC0_OUT, GAINFUNC1_OUT, GAINFUNC2_OUT,
 337         GAINFUNC3_OUT, GAINFUNC4_OUT, SOFTMODEMTX, SPLITTER0_OUTL,
 338         SPLITTER0_OUTR, SPLITTER1_OUTL, SPLITTER1_OUTR, SPLITTER2_OUTL,
 339         SPLITTER2_OUTR, SPLITTER3_OUTL, SPLITTER3_OUTR, MERGER0_OUT,
 340         MERGER1_OUT, MERGER2_OUT, MERGER3_OUT, ARM2LBUS_FIFO_DIRECT, NO_OUT
 341 };
 342
 343 enum E2SINK {
 344         LBUS2ARM_FIFO0 = 0, LBUS2ARM_FIFO1, LBUS2ARM_FIFO2, LBUS2ARM_FIFO3,
 345         LBUS2ARM_FIFO4, LBUS2ARM_FIFO5, LBUS2ARM_FIFO6, LBUS2ARM_FIFO7,
 346         INTER0_IN, INTER1_IN, INTER2_IN, INTER3_IN, INTER4_IN, INTERM0_IN,
 347         INTERM1_IN, INTERM2_IN, INTERM3_IN, INTERM4_IN, INTERM5_IN, INTERM6_IN,
 348         DECIMM0_IN, DECIMM1_IN, DECIMM2_IN, DECIMM3_IN, DECIM0_IN, SR3_4_IN,
 349         PDAC2ACLNK, MODEM0TX2ACLNK, MODEM1TX2ACLNK, HNDSPK2ACLNK,
 350         DIGITAL_MIXER_IN0, DIGITAL_MIXER_IN1, DIGITAL_MIXER_IN2,
 351         DIGITAL_MIXER_IN3, DIGITAL_MIXER_IN4, DIGITAL_MIXER_IN5,
 352         DIGITAL_MIXER_IN6, DIGITAL_MIXER_IN7, DIGITAL_MIXER_IN8,
 353         DIGITAL_MIXER_IN9, DIGITAL_MIXER_IN10, DIGITAL_MIXER_IN11,
 354         GAINFUNC0_IN, GAINFUNC1_IN, GAINFUNC2_IN, GAINFUNC3_IN, GAINFUNC4_IN,
 355         SOFTMODEMRX, SPLITTER0_IN, SPLITTER1_IN, SPLITTER2_IN, SPLITTER3_IN,
 356         MERGER0_INL, MERGER0_INR, MERGER1_INL, MERGER1_INR, MERGER2_INL,
 357         MERGER2_INR, MERGER3_INL, MERGER3_INR, E2SINK_MAX
 358 };
 359
 360 enum LBUS_SINK {
 361         LS_SRC_INTERPOLATOR = 0, LS_SRC_INTERPOLATORM, LS_SRC_DECIMATOR,
 362         LS_SRC_DECIMATORM, LS_MIXER_IN, LS_MIXER_GAIN_FUNCTION,
 363         LS_SRC_SPLITTER, LS_SRC_MERGER, LS_NONE1, LS_NONE2,
 364 };
 365
 366 enum RT_CHANNEL_IDS {
 367         M0TX = 0, M1TX, TAMTX, HSSPKR, PDAC, DSNDTX0, DSNDTX1, DSNDTX2,
 368         DSNDTX3, DSNDTX4, DSNDTX5, DSNDTX6, DSNDTX7, WVSTRTX, COP3DTX, SPARE,
 369         M0RX, HSMIC, M1RX, CLEANRX, MICADC, PADC, COPRX1, COPRX2,
 370         CHANNEL_ID_COUNTER
 371 };
 372
 373 enum { SB_CMD = 0, MODEM_CMD, I2S_CMD0, I2S_CMD1, FM_CMD, MAX_CMD };
 374
 375 struct lbuspath {
 376         unsigned char *noconv;
 377         unsigned char *stereo;
 378         unsigned char *mono;
 379 };
 380
 381 struct cmdport {
 382         u32 data1;              /* cmd,param */
 383         u32 data2;              /* param */
 384         u32 stat;               /* status */
 385         u32 pad[5];
 386 };
 387
 388 struct riptideport {
 389         u32 audio_control;      /* status registers */
 390         u32 audio_status;
 391         u32 pad[2];
 392         struct cmdport port[2]; /* command ports */
 393 };
 394
 395 struct cmdif {
 396         struct riptideport *hwport;
 397         spinlock_t lock;
 398         unsigned int cmdcnt;    /* cmd statistics */
 399         unsigned int cmdtime;
 400         unsigned int cmdtimemax;
 401         unsigned int cmdtimemin;
 402         unsigned int errcnt;
 403         int is_reset;
 404 };
 405
 406 struct riptide_firmware {
 407         u16 ASIC;
 408         u16 CODEC;
 409         u16 AUXDSP;
 410         u16 PROG;
 411 };
 412
 413 union cmdret {
 414         u8 retbytes[8];
 415         u16 retwords[4];
 416         u32 retlongs[2];
 417 };
 418
 419 union firmware_version {
 420         union cmdret ret;
 421         struct riptide_firmware firmware;
 422 };
 423
 424 #define get_pcmhwdev(substream) (struct pcmhw *)(substream->runtime->private_data)
 425
 426 #define PLAYBACK_SUBSTREAMS 3
 427 struct snd_riptide {
 428         struct snd_card *card;
 429         struct pci_dev *pci;
 430         const struct firmware *fw_entry;
 431
 432         struct cmdif *cif;
 433
 434         struct snd_pcm *pcm;
 435         struct snd_pcm *pcm_i2s;
 436         struct snd_rawmidi *rmidi;
 437         struct snd_opl3 *opl3;
 438         struct snd_ac97 *ac97;
 439         struct snd_ac97_bus *ac97_bus;
 440
 441         struct snd_pcm_substream *playback_substream[PLAYBACK_SUBSTREAMS];
 442         struct snd_pcm_substream *capture_substream;
 443
 444         int openstreams;
 445
 446         int irq;
 447         unsigned long port;
 448         unsigned short mpuaddr;
 449         unsigned short opladdr;
 450 #ifdef SUPPORT_JOYSTICK
 451         unsigned short gameaddr;
 452 #endif
 453         struct resource *res_port;
 454
 455         unsigned short device_id;
 456
 457         union firmware_version firmware;
 458
 459         spinlock_t lock;
 460         struct tasklet_struct riptide_tq;
 461         struct snd_info_entry *proc_entry;
 462
 463         unsigned long received_irqs;
 464         unsigned long handled_irqs;
 465 #ifdef CONFIG_PM
 466         int in_suspend;
 467 #endif
 468 };
 469
 470 struct sgd {                    /* scatter gather desriptor */
 471         u32 dwNextLink;
 472         u32 dwSegPtrPhys;
 473         u32 dwSegLen;
 474         u32 dwStat_Ctl;
 475 };
 476
 477 struct pcmhw {                  /* pcm descriptor */
 478         struct lbuspath paths;
 479         unsigned char *lbuspath;
 480         unsigned char source;
 481         unsigned char intdec[2];
 482         unsigned char mixer;
 483         unsigned char id;
 484         unsigned char state;
 485         unsigned int rate;
 486         unsigned int channels;
 487         snd_pcm_format_t format;
 488         struct snd_dma_buffer sgdlist;
 489         struct sgd *sgdbuf;
 490         unsigned int size;
 491         unsigned int pages;
 492         unsigned int oldpos;
 493         unsigned int pointer;
 494 };
 495
 496 #define CMDRET_ZERO (union cmdret){{(u32)0, (u32) 0}}
 497
 498 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
 499                    union cmdret *ret);
 500 static int getsourcesink(struct cmdif *cif, unsigned char source,
 501                          unsigned char sink, unsigned char *a,
 502                          unsigned char *b);
 503 static int snd_riptide_initialize(struct snd_riptide *chip);
 504 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip);
 505
 506 /*
 507  */
 508
 509 static struct pci_device_id snd_riptide_ids[] = {
 510         {
 511          .vendor = 0x127a,.device = 0x4310,
 512          .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
 513          },
 514         {
 515          .vendor = 0x127a,.device = 0x4320,
 516          .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
 517          },
 518         {
 519          .vendor = 0x127a,.device = 0x4330,
 520          .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
 521          },
 522         {
 523          .vendor = 0x127a,.device = 0x4340,
 524          .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
 525          },
 526         {0,},
 527 };
 528
 529 #ifdef SUPPORT_JOYSTICK
 530 static struct pci_device_id snd_riptide_joystick_ids[] __devinitdata = {
 531         {
 532          .vendor = 0x127a,.device = 0x4312,
 533          .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
 534          },
 535         {
 536          .vendor = 0x127a,.device = 0x4322,
 537          .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
 538          },
 539         {.vendor = 0x127a,.device = 0x4332,
 540          .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
 541          },
 542         {.vendor = 0x127a,.device = 0x4342,
 543          .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
 544          },
 545         {0,},
 546 };
 547 #endif
 548
 549 MODULE_DEVICE_TABLE(pci, snd_riptide_ids);
 550
 551 /*
 552  */
 553
 554 static unsigned char lbusin2out[E2SINK_MAX + 1][2] = {
 555         {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
 556                                                                      LS_NONE2},
 557         {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
 558                                                                      LS_NONE2},
 559         {INTER0_OUT, LS_SRC_INTERPOLATOR}, {INTER1_OUT, LS_SRC_INTERPOLATOR},
 560         {INTER2_OUT, LS_SRC_INTERPOLATOR}, {INTER3_OUT, LS_SRC_INTERPOLATOR},
 561         {INTER4_OUT, LS_SRC_INTERPOLATOR}, {INTERM0_OUT, LS_SRC_INTERPOLATORM},
 562         {INTERM1_OUT, LS_SRC_INTERPOLATORM}, {INTERM2_OUT,
 563                                               LS_SRC_INTERPOLATORM},
 564         {INTERM3_OUT, LS_SRC_INTERPOLATORM}, {INTERM4_OUT,
 565                                               LS_SRC_INTERPOLATORM},
 566         {INTERM5_OUT, LS_SRC_INTERPOLATORM}, {INTERM6_OUT,
 567                                               LS_SRC_INTERPOLATORM},
 568         {DECIMM0_OUT, LS_SRC_DECIMATORM}, {DECIMM1_OUT, LS_SRC_DECIMATORM},
 569         {DECIMM2_OUT, LS_SRC_DECIMATORM}, {DECIMM3_OUT, LS_SRC_DECIMATORM},
 570         {DECIM0_OUT, LS_SRC_DECIMATOR}, {SR3_4_OUT, LS_NONE1}, {NO_OUT,
 571                                                                 LS_NONE2},
 572         {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1},
 573         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 574         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 575         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 576         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 577         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 578         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 579         {GAINFUNC0_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC1_OUT,
 580                                                   LS_MIXER_GAIN_FUNCTION},
 581         {GAINFUNC2_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC3_OUT,
 582                                                   LS_MIXER_GAIN_FUNCTION},
 583         {GAINFUNC4_OUT, LS_MIXER_GAIN_FUNCTION}, {SOFTMODEMTX, LS_NONE1},
 584         {SPLITTER0_OUTL, LS_SRC_SPLITTER}, {SPLITTER1_OUTL, LS_SRC_SPLITTER},
 585         {SPLITTER2_OUTL, LS_SRC_SPLITTER}, {SPLITTER3_OUTL, LS_SRC_SPLITTER},
 586         {MERGER0_OUT, LS_SRC_MERGER}, {MERGER0_OUT, LS_SRC_MERGER},
 587         {MERGER1_OUT, LS_SRC_MERGER},
 588         {MERGER1_OUT, LS_SRC_MERGER}, {MERGER2_OUT, LS_SRC_MERGER},
 589         {MERGER2_OUT, LS_SRC_MERGER},
 590         {MERGER3_OUT, LS_SRC_MERGER}, {MERGER3_OUT, LS_SRC_MERGER}, {NO_OUT,
 591                                                                      LS_NONE2},
 592 };
 593
 594 static unsigned char lbus_play_opl3[] = {
 595         DIGITAL_MIXER_IN0 + FM_MIXER, 0xff
 596 };
 597 static unsigned char lbus_play_modem[] = {
 598         DIGITAL_MIXER_IN0 + MODEM_MIXER, 0xff
 599 };
 600 static unsigned char lbus_play_i2s[] = {
 601         INTER0_IN + I2S_INTDEC, DIGITAL_MIXER_IN0 + I2S_MIXER, 0xff
 602 };
 603 static unsigned char lbus_play_out[] = {
 604         PDAC2ACLNK, 0xff
 605 };
 606 static unsigned char lbus_play_outhp[] = {
 607         HNDSPK2ACLNK, 0xff
 608 };
 609 static unsigned char lbus_play_noconv1[] = {
 610         DIGITAL_MIXER_IN0, 0xff
 611 };
 612 static unsigned char lbus_play_stereo1[] = {
 613         INTER0_IN, DIGITAL_MIXER_IN0, 0xff
 614 };
 615 static unsigned char lbus_play_mono1[] = {
 616         INTERM0_IN, DIGITAL_MIXER_IN0, 0xff
 617 };
 618 static unsigned char lbus_play_noconv2[] = {
 619         DIGITAL_MIXER_IN1, 0xff
 620 };
 621 static unsigned char lbus_play_stereo2[] = {
 622         INTER1_IN, DIGITAL_MIXER_IN1, 0xff
 623 };
 624 static unsigned char lbus_play_mono2[] = {
 625         INTERM1_IN, DIGITAL_MIXER_IN1, 0xff
 626 };
 627 static unsigned char lbus_play_noconv3[] = {
 628         DIGITAL_MIXER_IN2, 0xff
 629 };
 630 static unsigned char lbus_play_stereo3[] = {
 631         INTER2_IN, DIGITAL_MIXER_IN2, 0xff
 632 };
 633 static unsigned char lbus_play_mono3[] = {
 634         INTERM2_IN, DIGITAL_MIXER_IN2, 0xff
 635 };
 636 static unsigned char lbus_rec_noconv1[] = {
 637         LBUS2ARM_FIFO5, 0xff
 638 };
 639 static unsigned char lbus_rec_stereo1[] = {
 640         DECIM0_IN, LBUS2ARM_FIFO5, 0xff
 641 };
 642 static unsigned char lbus_rec_mono1[] = {
 643         DECIMM3_IN, LBUS2ARM_FIFO5, 0xff
 644 };
 645
 646 static unsigned char play_ids[] = { 4, 1, 2, };
 647 static unsigned char play_sources[] = {
 648         ARM2LBUS_FIFO4, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2,
 649 };
 650 static struct lbuspath lbus_play_paths[] = {
 651         {
 652          .noconv = lbus_play_noconv1,
 653          .stereo = lbus_play_stereo1,
 654          .mono = lbus_play_mono1,
 655          },
 656         {
 657          .noconv = lbus_play_noconv2,
 658          .stereo = lbus_play_stereo2,
 659          .mono = lbus_play_mono2,
 660          },
 661         {
 662          .noconv = lbus_play_noconv3,
 663          .stereo = lbus_play_stereo3,
 664          .mono = lbus_play_mono3,
 665          },
 666 };
 667 static struct lbuspath lbus_rec_path = {
 668         .noconv = lbus_rec_noconv1,
 669         .stereo = lbus_rec_stereo1,
 670         .mono = lbus_rec_mono1,
 671 };
 672
 673 #define FIRMWARE_VERSIONS 1
 674 static union firmware_version firmware_versions[] = {
 675         {
 676                 .firmware = {
 677                         .ASIC = 3,
 678                         .CODEC = 2,
 679                         .AUXDSP = 3,
 680                         .PROG = 773,
 681                 },
 682         },
 683 };
 684
 685 static u32 atoh(unsigned char *in, unsigned int len)
 686 {
 687         u32 sum = 0;
 688         unsigned int mult = 1;
 689         unsigned char c;
 690
 691         while (len) {
 692                 c = in[len - 1];
 693                 if ((c >= '0') && (c <= '9'))
 694                         sum += mult * (c - '0');
 695                 else if ((c >= 'A') && (c <= 'F'))
 696                         sum += mult * (c - ('A' - 10));
 697                 else if ((c >= 'a') && (c <= 'f'))
 698                         sum += mult * (c - ('a' - 10));
 699                 mult *= 16;
 700                 --len;
 701         }
 702         return sum;
 703 }
 704
 705 static int senddata(struct cmdif *cif, unsigned char *in, u32 offset)
 706 {
 707         u32 addr;
 708         u32 data;
 709         u32 i;
 710         unsigned char *p;
 711
 712         i = atoh(&in[1], 2);
 713         addr = offset + atoh(&in[3], 4);
 714         if (SEND_SMEM(cif, 0, addr) != 0)
 715                 return -EACCES;
 716         p = in + 9;
 717         while (i) {
 718                 data = atoh(p, 8);
 719                 if (SEND_WMEM(cif, 2,
 720                               ((data & 0x0f0f0f0f) << 4) | ((data & 0xf0f0f0f0)
 721                                                             >> 4)))
 722                         return -EACCES;
 723                 i -= 4;
 724                 p += 8;
 725         }
 726         return 0;
 727 }
 728
 729 static int loadfirmware(struct cmdif *cif, unsigned char *img,
 730                         unsigned int size)
 731 {
 732         unsigned char *in;
 733         u32 laddr, saddr, t, val;
 734         int err = 0;
 735
 736         laddr = saddr = 0;
 737         while (size > 0 && err == 0) {
 738                 in = img;
 739                 if (in[0] == ':') {
 740                         t = atoh(&in[7], 2);
 741                         switch (t) {
 742                         case DATA_REC:
 743                                 err = senddata(cif, in, laddr + saddr);
 744                                 break;
 745                         case EXT_SEG_ADDR_REC:
 746                                 saddr = atoh(&in[9], 4) << 4;
 747                                 break;
 748                         case EXT_LIN_ADDR_REC:
 749                                 laddr = atoh(&in[9], 4) << 16;
 750                                 break;
 751                         case EXT_GOTO_CMD_REC:
 752                                 val = atoh(&in[9], 8);
 753                                 if (SEND_GOTO(cif, val) != 0)
 754                                         err = -EACCES;
 755                                 break;
 756                         case EXT_END_OF_FILE:
 757                                 size = 0;
 758                                 break;
 759                         default:
 760                                 break;
 761                         }
 762                         while (size > 0) {
 763                                 size--;
 764                                 if (*img++ == '\n')
 765                                         break;
 766                         }
 767                 }
 768         }
 769         snd_printdd("load firmware return %d\n", err);
 770         return err;
 771 }
 772
 773 static void
 774 alloclbuspath(struct cmdif *cif, unsigned char source,
 775               unsigned char *path, unsigned char *mixer, unsigned char *s)
 776 {
 777         while (*path != 0xff) {
 778                 unsigned char sink, type;
 779
 780                 sink = *path & (~SPLIT_PATH);
 781                 if (sink != E2SINK_MAX) {
 782                         snd_printdd("alloc path 0x%x->0x%x\n", source, sink);
 783                         SEND_PSEL(cif, source, sink);
 784                         source = lbusin2out[sink][0];
 785                         type = lbusin2out[sink][1];
 786                         if (type == LS_MIXER_IN) {
 787                                 if (mixer)
 788                                         *mixer = sink - DIGITAL_MIXER_IN0;
 789                         }
 790                         if (type == LS_SRC_DECIMATORM ||
 791                             type == LS_SRC_DECIMATOR ||
 792                             type == LS_SRC_INTERPOLATORM ||
 793                             type == LS_SRC_INTERPOLATOR) {
 794                                 if (s) {
 795                                         if (s[0] != 0xff)
 796                                                 s[1] = sink;
 797                                         else
 798                                                 s[0] = sink;
 799                                 }
 800                         }
 801                 }
 802                 if (*path++ & SPLIT_PATH) {
 803                         unsigned char *npath = path;
 804
 805                         while (*npath != 0xff)
 806                                 npath++;
 807                         alloclbuspath(cif, source + 1, ++npath, mixer, s);
 808                 }
 809         }
 810 }
 811
 812 static void
 813 freelbuspath(struct cmdif *cif, unsigned char source, unsigned char *path)
 814 {
 815         while (*path != 0xff) {
 816                 unsigned char sink;
 817
 818                 sink = *path & (~SPLIT_PATH);
 819                 if (sink != E2SINK_MAX) {
 820                         snd_printdd("free path 0x%x->0x%x\n", source, sink);
 821                         SEND_PCLR(cif, source, sink);
 822                         source = lbusin2out[sink][0];
 823                 }
 824                 if (*path++ & SPLIT_PATH) {
 825                         unsigned char *npath = path;
 826
 827                         while (*npath != 0xff)
 828                                 npath++;
 829                         freelbuspath(cif, source + 1, ++npath);
 830                 }
 831         }
 832 }
 833
 834 static int writearm(struct cmdif *cif, u32 addr, u32 data, u32 mask)
 835 {
 836         union cmdret rptr = CMDRET_ZERO;
 837         unsigned int i = MAX_WRITE_RETRY;
 838         int flag = 1;
 839
 840         SEND_RMEM(cif, 0x02, addr, &rptr);
 841         rptr.retlongs[0] &= (~mask);
 842
 843         while (--i) {
 844                 SEND_SMEM(cif, 0x01, addr);
 845                 SEND_WMEM(cif, 0x02, (rptr.retlongs[0] | data));
 846                 SEND_RMEM(cif, 0x02, addr, &rptr);
 847                 if ((rptr.retlongs[0] & data) == data) {
 848                         flag = 0;
 849                         break;
 850                 } else
 851                         rptr.retlongs[0] &= ~mask;
 852         }
 853         snd_printdd("send arm 0x%x 0x%x 0x%x return %d\n", addr, data, mask,
 854                     flag);
 855         return flag;
 856 }
 857
 858 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
 859                    union cmdret *ret)
 860 {
 861         int i, j;
 862         int err;
 863         unsigned int time = 0;
 864         unsigned long irqflags;
 865         struct riptideport *hwport;
 866         struct cmdport *cmdport = NULL;
 867
 868         snd_assert(cif, return -EINVAL);
 869
 870         hwport = cif->hwport;
 871         if (cif->errcnt > MAX_ERROR_COUNT) {
 872                 if (cif->is_reset) {
 873                         snd_printk(KERN_ERR
 874                                    "Riptide: Too many failed cmds, reinitializing\n");
 875                         if (riptide_reset(cif, NULL) == 0) {
 876                                 cif->errcnt = 0;
 877                                 return -EIO;
 878                         }
 879                 }
 880                 snd_printk(KERN_ERR "Riptide: Initialization failed.\n");
 881                 return -EINVAL;
 882         }
 883         if (ret) {
 884                 ret->retlongs[0] = 0;
 885                 ret->retlongs[1] = 0;
 886         }
 887         i = 0;
 888         spin_lock_irqsave(&cif->lock, irqflags);
 889         while (i++ < CMDIF_TIMEOUT && !IS_READY(cif->hwport))
 890                 udelay(10);
 891         if (i >= CMDIF_TIMEOUT) {
 892                 err = -EBUSY;
 893                 goto errout;
 894         }
 895
 896         err = 0;
 897         for (j = 0, time = 0; time < CMDIF_TIMEOUT; j++, time += 2) {
 898                 cmdport = &(hwport->port[j % 2]);
 899                 if (IS_DATF(cmdport)) { /* free pending data */
 900                         READ_PORT_ULONG(cmdport->data1);
 901                         READ_PORT_ULONG(cmdport->data2);
 902                 }
 903                 if (IS_CMDE(cmdport)) {
 904                         if (flags & PARM)       /* put data */
 905                                 WRITE_PORT_ULONG(cmdport->data2, parm);
 906                         WRITE_PORT_ULONG(cmdport->data1, cmd);  /* write cmd */
 907                         if ((flags & RESP) && ret) {
 908                                 while (!IS_DATF(cmdport) &&
 909                                        time++ < CMDIF_TIMEOUT)
 910                                         udelay(10);
 911                                 if (time < CMDIF_TIMEOUT) {     /* read response */
 912                                         ret->retlongs[0] =
 913                                             READ_PORT_ULONG(cmdport->data1);
 914                                         ret->retlongs[1] =
 915                                             READ_PORT_ULONG(cmdport->data2);
 916                                 } else {
 917                                         err = -ENOSYS;
 918                                         goto errout;
 919                                 }
 920                         }
 921                         break;
 922                 }
 923                 udelay(20);
 924         }
 925         if (time == CMDIF_TIMEOUT) {
 926                 err = -ENODATA;
 927                 goto errout;
 928         }
 929         spin_unlock_irqrestore(&cif->lock, irqflags);
 930
 931         cif->cmdcnt++;          /* update command statistics */
 932         cif->cmdtime += time;
 933         if (time > cif->cmdtimemax)
 934                 cif->cmdtimemax = time;
 935         if (time < cif->cmdtimemin)
 936                 cif->cmdtimemin = time;
 937         if ((cif->cmdcnt) % 1000 == 0)
 938                 snd_printdd
 939                     ("send cmd %d time: %d mintime: %d maxtime %d err: %d\n",
 940                      cif->cmdcnt, cif->cmdtime, cif->cmdtimemin,
 941                      cif->cmdtimemax, cif->errcnt);
 942         return 0;
 943
 944       errout:
 945         cif->errcnt++;
 946         spin_unlock_irqrestore(&cif->lock, irqflags);
 947         snd_printdd
 948             ("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",
 949              cif->cmdcnt, (int)((void *)&(cmdport->stat) - (void *)hwport),
 950              flags, cmd, parm, ret ? ret->retlongs[0] : 0,
 951              ret ? ret->retlongs[1] : 0, IS_CMDE(cmdport), IS_DATF(cmdport),
 952              err);
 953         return err;
 954 }
 955
 956 static int
 957 setmixer(struct cmdif *cif, short num, unsigned short rval, unsigned short lval)
 958 {
 959         union cmdret rptr = CMDRET_ZERO;
 960         int i = 0;
 961
 962         snd_printdd("sent mixer %d: 0x%d 0x%d\n", num, rval, lval);
 963         do {
 964                 SEND_SDGV(cif, num, num, rval, lval);
 965                 SEND_RDGV(cif, num, num, &rptr);
 966                 if (rptr.retwords[0] == lval && rptr.retwords[1] == rval)
 967                         return 0;
 968         } while (i++ < MAX_WRITE_RETRY);
 969         snd_printdd("sent mixer failed\n");
 970         return -EIO;
 971 }
 972
 973 static int getpaths(struct cmdif *cif, unsigned char *o)
 974 {
 975         unsigned char src[E2SINK_MAX];
 976         unsigned char sink[E2SINK_MAX];
 977         int i, j = 0;
 978
 979         for (i = 0; i < E2SINK_MAX; i++) {
 980                 getsourcesink(cif, i, i, &src[i], &sink[i]);
 981                 if (sink[i] < E2SINK_MAX) {
 982                         o[j++] = sink[i];
 983                         o[j++] = i;
 984                 }
 985         }
 986         return j;
 987 }
 988
 989 static int
 990 getsourcesink(struct cmdif *cif, unsigned char source, unsigned char sink,
 991               unsigned char *a, unsigned char *b)
 992 {
 993         union cmdret rptr = CMDRET_ZERO;
 994
 995         if (SEND_RSSV(cif, source, sink, &rptr) &&
 996             SEND_RSSV(cif, source, sink, &rptr))
 997                 return -EIO;
 998         *a = rptr.retbytes[0];
 999         *b = rptr.retbytes[1];
1000         snd_printdd("getsourcesink 0x%x 0x%x\n", *a, *b);
1001         return 0;
1002 }
1003
1004 static int
1005 getsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int *rate)
1006 {
1007         unsigned char *s;
1008         unsigned int p[2] = { 0, 0 };
1009         int i;
1010         union cmdret rptr = CMDRET_ZERO;
1011
1012         s = intdec;
1013         for (i = 0; i < 2; i++) {
1014                 if (*s != 0xff) {
1015                         if (SEND_RSRC(cif, *s, &rptr) &&
1016                             SEND_RSRC(cif, *s, &rptr))
1017                                 return -EIO;
1018                         p[i] += rptr.retwords[1];
1019                         p[i] *= rptr.retwords[2];
1020                         p[i] += rptr.retwords[3];
1021                         p[i] /= 65536;
1022                 }
1023                 s++;
1024         }
1025         if (p[0]) {
1026                 if (p[1] != p[0])
1027                         snd_printdd("rates differ %d %d\n", p[0], p[1]);
1028                 *rate = (unsigned int)p[0];
1029         } else
1030                 *rate = (unsigned int)p[1];
1031         snd_printdd("getsampleformat %d %d %d\n", intdec[0], intdec[1], *rate);
1032         return 0;
1033 }
1034
1035 static int
1036 setsampleformat(struct cmdif *cif,
1037                 unsigned char mixer, unsigned char id,
1038                 unsigned char channels, unsigned char format)
1039 {
1040         unsigned char w, ch, sig, order;
1041
1042         snd_printdd
1043             ("setsampleformat mixer: %d id: %d channels: %d format: %d\n",
1044              mixer, id, channels, format);
1045         ch = channels == 1;
1046         w = snd_pcm_format_width(format) == 8;
1047         sig = snd_pcm_format_unsigned(format) != 0;
1048         order = snd_pcm_format_big_endian(format) != 0;
1049
1050         if (SEND_SETF(cif, mixer, w, ch, order, sig, id) &&
1051             SEND_SETF(cif, mixer, w, ch, order, sig, id)) {
1052                 snd_printdd("setsampleformat failed\n");
1053                 return -EIO;
1054         }
1055         return 0;
1056 }
1057
1058 static int
1059 setsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int rate)
1060 {
1061         u32 D, M, N;
1062         union cmdret rptr = CMDRET_ZERO;
1063         int i;
1064
1065         snd_printdd("setsamplerate intdec: %d,%d rate: %d\n", intdec[0],
1066                     intdec[1], rate);
1067         D = 48000;
1068         M = ((rate == 48000) ? 47999 : rate) * 65536;
1069         N = M % D;
1070         M /= D;
1071         for (i = 0; i < 2; i++) {
1072                 if (*intdec != 0xff) {
1073                         do {
1074                                 SEND_SSRC(cif, *intdec, D, M, N);
1075                                 SEND_RSRC(cif, *intdec, &rptr);
1076                         } while (rptr.retwords[1] != D &&
1077                                  rptr.retwords[2] != M &&
1078                                  rptr.retwords[3] != N &&
1079                                  i++ < MAX_WRITE_RETRY);
1080                         if (i == MAX_WRITE_RETRY) {
1081                                 snd_printdd("sent samplerate %d: %d failed\n",
1082                                             *intdec, rate);
1083                                 return -EIO;
1084                         }
1085                 }
1086                 intdec++;
1087         }
1088         return 0;
1089 }
1090
1091 static int
1092 getmixer(struct cmdif *cif, short num, unsigned short *rval,
1093          unsigned short *lval)
1094 {
1095         union cmdret rptr = CMDRET_ZERO;
1096
1097         if (SEND_RDGV(cif, num, num, &rptr) && SEND_RDGV(cif, num, num, &rptr))
1098                 return -EIO;
1099         *rval = rptr.retwords[0];
1100         *lval = rptr.retwords[1];
1101         snd_printdd("got mixer %d: 0x%d 0x%d\n", num, *rval, *lval);
1102         return 0;
1103 }
1104
1105 static void riptide_handleirq(unsigned long dev_id)
1106 {
1107         struct snd_riptide *chip = (void *)dev_id;
1108         struct cmdif *cif = chip->cif;
1109         struct snd_pcm_substream *substream[PLAYBACK_SUBSTREAMS + 1];
1110         struct snd_pcm_runtime *runtime;
1111         struct pcmhw *data = NULL;
1112         unsigned int pos, period_bytes;
1113         struct sgd *c;
1114         int i, j;
1115         unsigned int flag;
1116
1117         if (!cif)
1118                 return;
1119
1120         for (i = 0; i < PLAYBACK_SUBSTREAMS; i++)
1121                 substream[i] = chip->playback_substream[i];
1122         substream[i] = chip->capture_substream;
1123         for (i = 0; i < PLAYBACK_SUBSTREAMS + 1; i++) {
1124                 if (substream[i] &&
1125                     (runtime = substream[i]->runtime) &&
1126                     (data = runtime->private_data) && data->state != ST_STOP) {
1127                         pos = 0;
1128                         for (j = 0; j < data->pages; j++) {
1129                                 c = &data->sgdbuf[j];
1130                                 flag = le32_to_cpu(c->dwStat_Ctl);
1131                                 if (flag & EOB_STATUS)
1132                                         pos += le32_to_cpu(c->dwSegLen);
1133                                 if (flag & EOC_STATUS)
1134                                         pos += le32_to_cpu(c->dwSegLen);
1135                                 if ((flag & EOS_STATUS)
1136                                     && (data->state == ST_PLAY)) {
1137                                         data->state = ST_STOP;
1138                                         snd_printk(KERN_ERR
1139                                                    "Riptide: DMA stopped unexpectedly\n");
1140                                 }
1141                                 c->dwStat_Ctl =
1142                                     cpu_to_le32(flag &
1143                                                 ~(EOS_STATUS | EOB_STATUS |
1144                                                   EOC_STATUS));
1145                         }
1146                         data->pointer += pos;
1147                         pos += data->oldpos;
1148                         if (data->state != ST_STOP) {
1149                                 period_bytes =
1150                                     frames_to_bytes(runtime,
1151                                                     runtime->period_size);
1152                                 snd_printdd
1153                                     ("interrupt 0x%x after 0x%lx of 0x%lx frames in period\n",
1154                                      READ_AUDIO_STATUS(cif->hwport),
1155                                      bytes_to_frames(runtime, pos),
1156                                      runtime->period_size);
1157                                 j = 0;
1158                                 if (pos >= period_bytes) {
1159                                         j++;
1160                                         while (pos >= period_bytes)
1161                                                 pos -= period_bytes;
1162                                 }
1163                                 data->oldpos = pos;
1164                                 if (j > 0)
1165                                         snd_pcm_period_elapsed(substream[i]);
1166                         }
1167                 }
1168         }
1169 }
1170
1171 #ifdef CONFIG_PM
1172 static int riptide_suspend(struct pci_dev *pci, pm_message_t state)
1173 {
1174         struct snd_card *card = pci_get_drvdata(pci);
1175         struct snd_riptide *chip = card->private_data;
1176
1177         chip->in_suspend = 1;
1178         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1179         snd_pcm_suspend_all(chip->pcm);
1180         snd_ac97_suspend(chip->ac97);
1181         pci_set_power_state(pci, PCI_D3hot);
1182         pci_disable_device(pci);
1183         pci_save_state(pci);
1184         return 0;
1185 }
1186
1187 static int riptide_resume(struct pci_dev *pci)
1188 {
1189         struct snd_card *card = pci_get_drvdata(pci);
1190         struct snd_riptide *chip = card->private_data;
1191
1192         pci_restore_state(pci);
1193         pci_enable_device(pci);
1194         pci_set_power_state(pci, PCI_D0);
1195         pci_set_master(pci);
1196         snd_riptide_initialize(chip);
1197         snd_ac97_resume(chip->ac97);
1198         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1199         chip->in_suspend = 0;
1200         return 0;
1201 }
1202 #endif
1203
1204 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip)
1205 {
1206         int timeout, tries;
1207         union cmdret rptr = CMDRET_ZERO;
1208         union firmware_version firmware;
1209         int i, j, err, has_firmware;
1210
1211         if (!cif)
1212                 return -EINVAL;
1213
1214         cif->cmdcnt = 0;
1215         cif->cmdtime = 0;
1216         cif->cmdtimemax = 0;
1217         cif->cmdtimemin = 0xffffffff;
1218         cif->errcnt = 0;
1219         cif->is_reset = 0;
1220
1221         tries = RESET_TRIES;
1222         has_firmware = 0;
1223         while (has_firmware == 0 && tries-- > 0) {
1224                 for (i = 0; i < 2; i++) {
1225                         WRITE_PORT_ULONG(cif->hwport->port[i].data1, 0);
1226                         WRITE_PORT_ULONG(cif->hwport->port[i].data2, 0);
1227                 }
1228                 SET_GRESET(cif->hwport);
1229                 udelay(100);
1230                 UNSET_GRESET(cif->hwport);
1231                 udelay(100);
1232
1233                 for (timeout = 100000; --timeout; udelay(10)) {
1234                         if (IS_READY(cif->hwport) && !IS_GERR(cif->hwport))
1235                                 break;
1236                 }
1237                 if (timeout == 0) {
1238                         snd_printk(KERN_ERR
1239                                    "Riptide: device not ready, audio status: 0x%x ready: %d gerr: %d\n",
1240                                    READ_AUDIO_STATUS(cif->hwport),
1241                                    IS_READY(cif->hwport), IS_GERR(cif->hwport));
1242                         return -EIO;
1243                 } else {
1244                         snd_printdd
1245                             ("Riptide: audio status: 0x%x ready: %d gerr: %d\n",
1246                              READ_AUDIO_STATUS(cif->hwport),
1247                              IS_READY(cif->hwport), IS_GERR(cif->hwport));
1248                 }
1249
1250                 SEND_GETV(cif, &rptr);
1251                 for (i = 0; i < 4; i++)
1252                         firmware.ret.retwords[i] = rptr.retwords[i];
1253
1254                 snd_printdd
1255                     ("Firmware version: ASIC: %d CODEC %d AUXDSP %d PROG %d\n",
1256                      firmware.firmware.ASIC, firmware.firmware.CODEC,
1257                      firmware.firmware.AUXDSP, firmware.firmware.PROG);
1258
1259                 for (j = 0; j < FIRMWARE_VERSIONS; j++) {
1260                         has_firmware = 1;
1261                         for (i = 0; i < 4; i++) {
1262                                 if (firmware_versions[j].ret.retwords[i] !=
1263                                     firmware.ret.retwords[i])
1264                                         has_firmware = 0;
1265                         }
1266                         if (has_firmware)
1267                                 break;
1268                 }
1269
1270                 if (chip != NULL && has_firmware == 0) {
1271                         snd_printdd("Writing Firmware\n");
1272                         if (!chip->fw_entry) {
1273                                 if ((err =
1274                                      request_firmware(&chip->fw_entry,
1275                                                       "riptide.hex",
1276                                                       &chip->pci->dev)) != 0) {
1277                                         snd_printk(KERN_ERR
1278                                                    "Riptide: Firmware not available %d\n",
1279                                                    err);
1280                                         return -EIO;
1281                                 }
1282                         }
1283                         err = loadfirmware(cif, chip->fw_entry->data,
1284                                            chip->fw_entry->size);
1285                         if (err)
1286                                 snd_printk(KERN_ERR
1287                                            "Riptide: Could not load firmware %d\n",
1288                                            err);
1289                 }
1290         }
1291
1292         SEND_SACR(cif, 0, AC97_RESET);
1293         SEND_RACR(cif, AC97_RESET, &rptr);
1294         snd_printdd("AC97: 0x%x 0x%x\n", rptr.retlongs[0], rptr.retlongs[1]);
1295
1296         SEND_PLST(cif, 0);
1297         SEND_SLST(cif, 0);
1298         SEND_DLST(cif, 0);
1299         SEND_ALST(cif, 0);
1300         SEND_KDMA(cif);
1301
1302         writearm(cif, 0x301F8, 1, 1);
1303         writearm(cif, 0x301F4, 1, 1);
1304
1305         SEND_LSEL(cif, MODEM_CMD, 0, 0, MODEM_INTDEC, MODEM_MERGER,
1306                   MODEM_SPLITTER, MODEM_MIXER);
1307         setmixer(cif, MODEM_MIXER, 0x7fff, 0x7fff);
1308         alloclbuspath(cif, ARM2LBUS_FIFO13, lbus_play_modem, NULL, NULL);
1309
1310         SEND_LSEL(cif, FM_CMD, 0, 0, FM_INTDEC, FM_MERGER, FM_SPLITTER,
1311                   FM_MIXER);
1312         setmixer(cif, FM_MIXER, 0x7fff, 0x7fff);
1313         writearm(cif, 0x30648 + FM_MIXER * 4, 0x01, 0x00000005);
1314         writearm(cif, 0x301A8, 0x02, 0x00000002);
1315         writearm(cif, 0x30264, 0x08, 0xffffffff);
1316         alloclbuspath(cif, OPL3_SAMPLE, lbus_play_opl3, NULL, NULL);
1317
1318         SEND_SSRC(cif, I2S_INTDEC, 48000,
1319                   ((u32) I2S_RATE * 65536) / 48000,
1320                   ((u32) I2S_RATE * 65536) % 48000);
1321         SEND_LSEL(cif, I2S_CMD0, 0, 0, I2S_INTDEC, I2S_MERGER, I2S_SPLITTER,
1322                   I2S_MIXER);
1323         SEND_SI2S(cif, 1);
1324         alloclbuspath(cif, ARM2LBUS_FIFO0, lbus_play_i2s, NULL, NULL);
1325         alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_out, NULL, NULL);
1326         alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_outhp, NULL, NULL);
1327
1328         SET_AIACK(cif->hwport);
1329         SET_AIE(cif->hwport);
1330         SET_AIACK(cif->hwport);
1331         cif->is_reset = 1;
1332         if (chip) {
1333                 for (i = 0; i < 4; i++)
1334                         chip->firmware.ret.retwords[i] =
1335                             firmware.ret.retwords[i];
1336         }
1337
1338         return 0;
1339 }
1340
1341 static struct snd_pcm_hardware snd_riptide_playback = {
1342         .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1343                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1344                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1345         .formats =
1346             SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1347             | SNDRV_PCM_FMTBIT_U16_LE,
1348         .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1349         .rate_min = 5500,
1350         .rate_max = 48000,
1351         .channels_min = 1,
1352         .channels_max = 2,
1353         .buffer_bytes_max = (64 * 1024),
1354         .period_bytes_min = PAGE_SIZE >> 1,
1355         .period_bytes_max = PAGE_SIZE << 8,
1356         .periods_min = 2,
1357         .periods_max = 64,
1358         .fifo_size = 0,
1359 };
1360 static struct snd_pcm_hardware snd_riptide_capture = {
1361         .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1362                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1363                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1364         .formats =
1365             SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1366             | SNDRV_PCM_FMTBIT_U16_LE,
1367         .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1368         .rate_min = 5500,
1369         .rate_max = 48000,
1370         .channels_min = 1,
1371         .channels_max = 2,
1372         .buffer_bytes_max = (64 * 1024),
1373         .period_bytes_min = PAGE_SIZE >> 1,
1374         .period_bytes_max = PAGE_SIZE << 3,
1375         .periods_min = 2,
1376         .periods_max = 64,
1377         .fifo_size = 0,
1378 };
1379
1380 static snd_pcm_uframes_t snd_riptide_pointer(struct snd_pcm_substream
1381                                              *substream)
1382 {
1383         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1384         struct snd_pcm_runtime *runtime = substream->runtime;
1385         struct pcmhw *data = get_pcmhwdev(substream);
1386         struct cmdif *cif = chip->cif;
1387         union cmdret rptr = CMDRET_ZERO;
1388         snd_pcm_uframes_t ret;
1389
1390         SEND_GPOS(cif, 0, data->id, &rptr);
1391         if (data->size && runtime->period_size) {
1392                 snd_printdd
1393                     ("pointer stream %d position 0x%x(0x%x in buffer) bytes 0x%lx(0x%lx in period) frames\n",
1394                      data->id, rptr.retlongs[1], rptr.retlongs[1] % data->size,
1395                      bytes_to_frames(runtime, rptr.retlongs[1]),
1396                      bytes_to_frames(runtime,
1397                                      rptr.retlongs[1]) % runtime->period_size);
1398                 if (rptr.retlongs[1] > data->pointer)
1399                         ret =
1400                             bytes_to_frames(runtime,
1401                                             rptr.retlongs[1] % data->size);
1402                 else
1403                         ret =
1404                             bytes_to_frames(runtime,
1405                                             data->pointer % data->size);
1406         } else {
1407                 snd_printdd("stream not started or strange parms (%d %ld)\n",
1408                             data->size, runtime->period_size);
1409                 ret = bytes_to_frames(runtime, 0);
1410         }
1411         return ret;
1412 }
1413
1414 static int snd_riptide_trigger(struct snd_pcm_substream *substream, int cmd)
1415 {
1416         int i, j;
1417         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1418         struct pcmhw *data = get_pcmhwdev(substream);
1419         struct cmdif *cif = chip->cif;
1420         union cmdret rptr = CMDRET_ZERO;
1421
1422         spin_lock(&chip->lock);
1423         switch (cmd) {
1424         case SNDRV_PCM_TRIGGER_START:
1425         case SNDRV_PCM_TRIGGER_RESUME:
1426                 if (!(data->state & ST_PLAY)) {
1427                         SEND_SSTR(cif, data->id, data->sgdlist.addr);
1428                         SET_AIE(cif->hwport);
1429                         data->state = ST_PLAY;
1430                         if (data->mixer != 0xff)
1431                                 setmixer(cif, data->mixer, 0x7fff, 0x7fff);
1432                         chip->openstreams++;
1433                         data->oldpos = 0;
1434                         data->pointer = 0;
1435                 }
1436                 break;
1437         case SNDRV_PCM_TRIGGER_STOP:
1438         case SNDRV_PCM_TRIGGER_SUSPEND:
1439                 if (data->mixer != 0xff)
1440                         setmixer(cif, data->mixer, 0, 0);
1441                 setmixer(cif, data->mixer, 0, 0);
1442                 SEND_KSTR(cif, data->id);
1443                 data->state = ST_STOP;
1444                 chip->openstreams--;
1445                 j = 0;
1446                 do {
1447                         i = rptr.retlongs[1];
1448                         SEND_GPOS(cif, 0, data->id, &rptr);
1449                         udelay(1);
1450                 } while (i != rptr.retlongs[1] && j++ < MAX_WRITE_RETRY);
1451                 if (j >= MAX_WRITE_RETRY)
1452                         snd_printk(KERN_ERR "Riptide: Could not stop stream!");
1453                 break;
1454         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1455                 if (!(data->state & ST_PAUSE)) {
1456                         SEND_PSTR(cif, data->id);
1457                         data->state |= ST_PAUSE;
1458                         chip->openstreams--;
1459                 }
1460                 break;
1461         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1462                 if (data->state & ST_PAUSE) {
1463                         SEND_SSTR(cif, data->id, data->sgdlist.addr);
1464                         data->state &= ~ST_PAUSE;
1465                         chip->openstreams++;
1466                 }
1467                 break;
1468         default:
1469                 spin_unlock(&chip->lock);
1470                 return -EINVAL;
1471         }
1472         spin_unlock(&chip->lock);
1473         return 0;
1474 }
1475
1476 static int snd_riptide_prepare(struct snd_pcm_substream *substream)
1477 {
1478         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1479         struct snd_pcm_runtime *runtime = substream->runtime;
1480         struct snd_sg_buf *sgbuf = snd_pcm_substream_sgbuf(substream);
1481         struct pcmhw *data = get_pcmhwdev(substream);
1482         struct cmdif *cif = chip->cif;
1483         unsigned char *lbuspath = NULL;
1484         unsigned int rate, channels;
1485         int err = 0;
1486         snd_pcm_format_t format;
1487
1488         snd_assert(cif && data, return -EINVAL);
1489
1490         snd_printdd("prepare id %d ch: %d f:0x%x r:%d\n", data->id,
1491                     runtime->channels, runtime->format, runtime->rate);
1492
1493         spin_lock_irq(&chip->lock);
1494         channels = runtime->channels;
1495         format = runtime->format;
1496         rate = runtime->rate;
1497         switch (channels) {
1498         case 1:
1499                 if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1500                         lbuspath = data->paths.noconv;
1501                 else
1502                         lbuspath = data->paths.mono;
1503                 break;
1504         case 2:
1505                 if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1506                         lbuspath = data->paths.noconv;
1507                 else
1508                         lbuspath = data->paths.stereo;
1509                 break;
1510         }
1511         snd_printdd("use sgdlist at 0x%p and buffer at 0x%p\n",
1512                     data->sgdlist.area, sgbuf);
1513         if (data->sgdlist.area && sgbuf) {
1514                 unsigned int i, j, size, pages, f, pt, period;
1515                 struct sgd *c, *p = NULL;
1516
1517                 size = frames_to_bytes(runtime, runtime->buffer_size);
1518                 period = frames_to_bytes(runtime, runtime->period_size);
1519                 f = PAGE_SIZE;
1520                 while ((size + (f >> 1) - 1) <= (f << 7) && (f << 1) > period)
1521                         f = f >> 1;
1522                 pages = (size + f - 1) / f;
1523                 data->size = size;
1524                 data->pages = pages;
1525                 snd_printdd
1526                     ("create sgd size: 0x%x pages %d of size 0x%x for period 0x%x\n",
1527                      size, pages, f, period);
1528                 pt = 0;
1529                 j = 0;
1530                 for (i = 0; i < pages; i++) {
1531                         c = &data->sgdbuf[i];
1532                         if (p)
1533                                 p->dwNextLink = cpu_to_le32(data->sgdlist.addr +
1534                                                             (i *
1535                                                              sizeof(struct
1536                                                                     sgd)));
1537                         c->dwNextLink = cpu_to_le32(data->sgdlist.addr);
1538                         c->dwSegPtrPhys =
1539                             cpu_to_le32(sgbuf->table[j].addr + pt);
1540                         pt = (pt + f) % PAGE_SIZE;
1541                         if (pt == 0)
1542                                 j++;
1543                         c->dwSegLen = cpu_to_le32(f);
1544                         c->dwStat_Ctl =
1545                             cpu_to_le32(IEOB_ENABLE | IEOS_ENABLE |
1546                                         IEOC_ENABLE);
1547                         p = c;
1548                         size -= f;
1549                 }
1550                 data->sgdbuf[i].dwSegLen = cpu_to_le32(size);
1551         }
1552         if (lbuspath && lbuspath != data->lbuspath) {
1553                 if (data->lbuspath)
1554                         freelbuspath(cif, data->source, data->lbuspath);
1555                 alloclbuspath(cif, data->source, lbuspath,
1556                               &data->mixer, data->intdec);
1557                 data->lbuspath = lbuspath;
1558                 data->rate = 0;
1559         }
1560         if (data->rate != rate || data->format != format ||
1561             data->channels != channels) {
1562                 data->rate = rate;
1563                 data->format = format;
1564                 data->channels = channels;
1565                 if (setsampleformat
1566                     (cif, data->mixer, data->id, channels, format)
1567                     || setsamplerate(cif, data->intdec, rate))
1568                         err = -EIO;
1569         }
1570         spin_unlock_irq(&chip->lock);
1571         return err;
1572 }
1573
1574 static int
1575 snd_riptide_hw_params(struct snd_pcm_substream *substream,
1576                       struct snd_pcm_hw_params *hw_params)
1577 {
1578         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1579         struct pcmhw *data = get_pcmhwdev(substream);
1580         struct snd_dma_buffer *sgdlist = &data->sgdlist;
1581         int err;
1582
1583         snd_printdd("hw params id %d (sgdlist: 0x%p 0x%lx %d)\n", data->id,
1584                     sgdlist->area, (unsigned long)sgdlist->addr,
1585                     (int)sgdlist->bytes);
1586         if (sgdlist->area)
1587                 snd_dma_free_pages(sgdlist);
1588         if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
1589                                        snd_dma_pci_data(chip->pci),
1590                                        sizeof(struct sgd) * (DESC_MAX_MASK + 1),
1591                                        sgdlist)) < 0) {
1592                 snd_printk(KERN_ERR "Riptide: failed to alloc %d dma bytes\n",
1593                            (int)sizeof(struct sgd) * (DESC_MAX_MASK + 1));
1594                 return err;
1595         }
1596         data->sgdbuf = (struct sgd *)sgdlist->area;
1597         return snd_pcm_lib_malloc_pages(substream,
1598                                         params_buffer_bytes(hw_params));
1599 }
1600
1601 static int snd_riptide_hw_free(struct snd_pcm_substream *substream)
1602 {
1603         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1604         struct pcmhw *data = get_pcmhwdev(substream);
1605         struct cmdif *cif = chip->cif;
1606
1607         if (cif && data) {
1608                 if (data->lbuspath)
1609                         freelbuspath(cif, data->source, data->lbuspath);
1610                 data->lbuspath = NULL;
1611                 data->source = 0xff;
1612                 data->intdec[0] = 0xff;
1613                 data->intdec[1] = 0xff;
1614
1615                 if (data->sgdlist.area) {
1616                         snd_dma_free_pages(&data->sgdlist);
1617                         data->sgdlist.area = NULL;
1618                 }
1619         }
1620         return snd_pcm_lib_free_pages(substream);
1621 }
1622
1623 static int snd_riptide_playback_open(struct snd_pcm_substream *substream)
1624 {
1625         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1626         struct snd_pcm_runtime *runtime = substream->runtime;
1627         struct pcmhw *data;
1628         int index = substream->number;
1629
1630         chip->playback_substream[index] = substream;
1631         runtime->hw = snd_riptide_playback;
1632         data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1633         data->paths = lbus_play_paths[index];
1634         data->id = play_ids[index];
1635         data->source = play_sources[index];
1636         data->intdec[0] = 0xff;
1637         data->intdec[1] = 0xff;
1638         data->state = ST_STOP;
1639         runtime->private_data = data;
1640         return snd_pcm_hw_constraint_integer(runtime,
1641                                              SNDRV_PCM_HW_PARAM_PERIODS);
1642 }
1643
1644 static int snd_riptide_capture_open(struct snd_pcm_substream *substream)
1645 {
1646         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1647         struct snd_pcm_runtime *runtime = substream->runtime;
1648         struct pcmhw *data;
1649
1650         chip->capture_substream = substream;
1651         runtime->hw = snd_riptide_capture;
1652         data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1653         data->paths = lbus_rec_path;
1654         data->id = PADC;
1655         data->source = ACLNK2PADC;
1656         data->intdec[0] = 0xff;
1657         data->intdec[1] = 0xff;
1658         data->state = ST_STOP;
1659         runtime->private_data = data;
1660         return snd_pcm_hw_constraint_integer(runtime,
1661                                              SNDRV_PCM_HW_PARAM_PERIODS);
1662 }
1663
1664 static int snd_riptide_playback_close(struct snd_pcm_substream *substream)
1665 {
1666         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1667         struct pcmhw *data = get_pcmhwdev(substream);
1668         int index = substream->number;
1669
1670         substream->runtime->private_data = NULL;
1671         chip->playback_substream[index] = NULL;
1672         kfree(data);
1673         return 0;
1674 }
1675
1676 static int snd_riptide_capture_close(struct snd_pcm_substream *substream)
1677 {
1678         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1679         struct pcmhw *data = get_pcmhwdev(substream);
1680
1681         substream->runtime->private_data = NULL;
1682         chip->capture_substream = NULL;
1683         kfree(data);
1684         return 0;
1685 }
1686
1687 static struct snd_pcm_ops snd_riptide_playback_ops = {
1688         .open = snd_riptide_playback_open,
1689         .close = snd_riptide_playback_close,
1690         .ioctl = snd_pcm_lib_ioctl,
1691         .hw_params = snd_riptide_hw_params,
1692         .hw_free = snd_riptide_hw_free,
1693         .prepare = snd_riptide_prepare,
1694         .page = snd_pcm_sgbuf_ops_page,
1695         .trigger = snd_riptide_trigger,
1696         .pointer = snd_riptide_pointer,
1697 };
1698 static struct snd_pcm_ops snd_riptide_capture_ops = {
1699         .open = snd_riptide_capture_open,
1700         .close = snd_riptide_capture_close,
1701         .ioctl = snd_pcm_lib_ioctl,
1702         .hw_params = snd_riptide_hw_params,
1703         .hw_free = snd_riptide_hw_free,
1704         .prepare = snd_riptide_prepare,
1705         .page = snd_pcm_sgbuf_ops_page,
1706         .trigger = snd_riptide_trigger,
1707         .pointer = snd_riptide_pointer,
1708 };
1709
1710 static int __devinit
1711 snd_riptide_pcm(struct snd_riptide *chip, int device, struct snd_pcm **rpcm)
1712 {
1713         struct snd_pcm *pcm;
1714         int err;
1715
1716         if (rpcm)
1717                 *rpcm = NULL;
1718         if ((err =
1719              snd_pcm_new(chip->card, "RIPTIDE", device, PLAYBACK_SUBSTREAMS, 1,
1720                          &pcm)) < 0)
1721                 return err;
1722         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1723                         &snd_riptide_playback_ops);
1724         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1725                         &snd_riptide_capture_ops);
1726         pcm->private_data = chip;
1727         pcm->info_flags = 0;
1728         strcpy(pcm->name, "RIPTIDE");
1729         chip->pcm = pcm;
1730         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1731                                               snd_dma_pci_data(chip->pci),
1732                                               64 * 1024, 128 * 1024);
1733         if (rpcm)
1734                 *rpcm = pcm;
1735         return 0;
1736 }
1737
1738 static irqreturn_t
1739 snd_riptide_interrupt(int irq, void *dev_id, struct pt_regs *regs)
1740 {
1741         struct snd_riptide *chip = dev_id;
1742         struct cmdif *cif = chip->cif;
1743
1744         if (cif) {
1745                 chip->received_irqs++;
1746                 if (IS_EOBIRQ(cif->hwport) || IS_EOSIRQ(cif->hwport) ||
1747                     IS_EOCIRQ(cif->hwport)) {
1748                         chip->handled_irqs++;
1749                         tasklet_hi_schedule(&chip->riptide_tq);
1750                 }
1751                 if (chip->rmidi && IS_MPUIRQ(cif->hwport)) {
1752                         chip->handled_irqs++;
1753                         snd_mpu401_uart_interrupt(irq,
1754                                                   chip->rmidi->private_data,
1755                                                   regs);
1756                 }
1757                 SET_AIACK(cif->hwport);
1758         }
1759         return IRQ_HANDLED;
1760 }
1761
1762 static void
1763 snd_riptide_codec_write(struct snd_ac97 *ac97, unsigned short reg,
1764                         unsigned short val)
1765 {
1766         struct snd_riptide *chip = ac97->private_data;
1767         struct cmdif *cif = chip->cif;
1768         union cmdret rptr = CMDRET_ZERO;
1769         int i = 0;
1770
1771         snd_assert(cif, return);
1772
1773         snd_printdd("Write AC97 reg 0x%x 0x%x\n", reg, val);
1774         do {
1775                 SEND_SACR(cif, val, reg);
1776                 SEND_RACR(cif, reg, &rptr);
1777         } while (rptr.retwords[1] != val && i++ < MAX_WRITE_RETRY);
1778         if (i == MAX_WRITE_RETRY)
1779                 snd_printdd("Write AC97 reg failed\n");
1780 }
1781
1782 static unsigned short snd_riptide_codec_read(struct snd_ac97 *ac97,
1783                                              unsigned short reg)
1784 {
1785         struct snd_riptide *chip = ac97->private_data;
1786         struct cmdif *cif = chip->cif;
1787         union cmdret rptr = CMDRET_ZERO;
1788
1789         snd_assert(cif, return 0);
1790
1791         if (SEND_RACR(cif, reg, &rptr) != 0)
1792                 SEND_RACR(cif, reg, &rptr);
1793         snd_printdd("Read AC97 reg 0x%x got 0x%x\n", reg, rptr.retwords[1]);
1794         return rptr.retwords[1];
1795 }
1796
1797 static int snd_riptide_initialize(struct snd_riptide *chip)
1798 {
1799         struct cmdif *cif;
1800         unsigned int device_id;
1801         int err;
1802
1803         snd_assert(chip, return -EINVAL);
1804
1805         cif = chip->cif;
1806         if (!cif) {
1807                 if ((cif = kzalloc(sizeof(struct cmdif), GFP_KERNEL)) == NULL)
1808                         return -ENOMEM;
1809                 cif->hwport = (struct riptideport *)chip->port;
1810                 spin_lock_init(&cif->lock);
1811                 chip->cif = cif;
1812         }
1813         cif->is_reset = 0;
1814         if ((err = riptide_reset(cif, chip)) != 0)
1815                 return err;
1816         device_id = chip->device_id;
1817         switch (device_id) {
1818         case 0x4310:
1819         case 0x4320:
1820         case 0x4330:
1821                 snd_printdd("Modem enable?\n");
1822                 SEND_SETDPLL(cif);
1823                 break;
1824         }
1825         snd_printdd("Enabling MPU IRQs\n");
1826         if (chip->rmidi)
1827                 SET_EMPUIRQ(cif->hwport);
1828         return err;
1829 }
1830
1831 static int snd_riptide_free(struct snd_riptide *chip)
1832 {
1833         struct cmdif *cif;
1834
1835         snd_assert(chip, return 0);
1836
1837         if ((cif = chip->cif)) {
1838                 SET_GRESET(cif->hwport);
1839                 udelay(100);
1840                 UNSET_GRESET(cif->hwport);
1841                 kfree(chip->cif);
1842         }
1843         if (chip->irq >= 0)
1844                 free_irq(chip->irq, chip);
1845         if (chip->fw_entry)
1846                 release_firmware(chip->fw_entry);
1847         release_and_free_resource(chip->res_port);
1848         kfree(chip);
1849         return 0;
1850 }
1851
1852 static int snd_riptide_dev_free(struct snd_device *device)
1853 {
1854         struct snd_riptide *chip = device->device_data;
1855
1856         return snd_riptide_free(chip);
1857 }
1858
1859 static int __devinit
1860 snd_riptide_create(struct snd_card *card, struct pci_dev *pci,
1861                    struct snd_riptide **rchip)
1862 {
1863         struct snd_riptide *chip;
1864         struct riptideport *hwport;
1865         int err;
1866         static struct snd_device_ops ops = {
1867                 .dev_free = snd_riptide_dev_free,
1868         };
1869
1870         *rchip = NULL;
1871         if ((err = pci_enable_device(pci)) < 0)
1872                 return err;
1873         if (!(chip = kzalloc(sizeof(struct snd_riptide), GFP_KERNEL)))
1874                 return -ENOMEM;
1875
1876         spin_lock_init(&chip->lock);
1877         chip->card = card;
1878         chip->pci = pci;
1879         chip->irq = -1;
1880         chip->openstreams = 0;
1881         chip->port = pci_resource_start(pci, 0);
1882         chip->received_irqs = 0;
1883         chip->handled_irqs = 0;
1884         chip->cif = NULL;
1885         tasklet_init(&chip->riptide_tq, riptide_handleirq, (unsigned long)chip);
1886
1887         if ((chip->res_port =
1888              request_region(chip->port, 64, "RIPTIDE")) == NULL) {
1889                 snd_printk(KERN_ERR
1890                            "Riptide: unable to grab region 0x%lx-0x%lx\n",
1891                            chip->port, chip->port + 64 - 1);
1892                 snd_riptide_free(chip);
1893                 return -EBUSY;
1894         }
1895         hwport = (struct riptideport *)chip->port;
1896         UNSET_AIE(hwport);
1897
1898         if (request_irq
1899             (pci->irq, snd_riptide_interrupt, IRQF_DISABLED | IRQF_SHARED,
1900              "RIPTIDE", chip)) {
1901                 snd_printk(KERN_ERR "Riptide: unable to grab IRQ %d\n",
1902                            pci->irq);
1903                 snd_riptide_free(chip);
1904                 return -EBUSY;
1905         }
1906         chip->irq = pci->irq;
1907         chip->device_id = pci->device;
1908         pci_set_master(pci);
1909         if ((err = snd_riptide_initialize(chip)) < 0) {
1910                 snd_riptide_free(chip);
1911                 return err;
1912         }
1913
1914         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1915                 snd_riptide_free(chip);
1916                 return err;
1917         }
1918
1919         *rchip = chip;
1920         return 0;
1921 }
1922
1923 static void
1924 snd_riptide_proc_read(struct snd_info_entry *entry,
1925                       struct snd_info_buffer *buffer)
1926 {
1927         struct snd_riptide *chip = entry->private_data;
1928         struct pcmhw *data;
1929         int i;
1930         struct cmdif *cif = NULL;
1931         unsigned char p[256];
1932         unsigned short rval = 0, lval = 0;
1933         unsigned int rate;
1934
1935         if (!chip)
1936                 return;
1937
1938         snd_iprintf(buffer, "%s\n\n", chip->card->longname);
1939         snd_iprintf(buffer, "Device ID: 0x%x\nReceived IRQs: (%ld)%ld\nPorts:",
1940                     chip->device_id, chip->handled_irqs, chip->received_irqs);
1941         for (i = 0; i < 64; i += 4)
1942                 snd_iprintf(buffer, "%c%02x: %08x",
1943                             (i % 16) ? ' ' : '\n', i, inl(chip->port + i));
1944         if ((cif = chip->cif)) {
1945                 snd_iprintf(buffer,
1946                             "\nVersion: ASIC: %d CODEC: %d AUXDSP: %d PROG: %d",
1947                             chip->firmware.firmware.ASIC,
1948                             chip->firmware.firmware.CODEC,
1949                             chip->firmware.firmware.AUXDSP,
1950                             chip->firmware.firmware.PROG);
1951                 snd_iprintf(buffer, "\nDigital mixer:");
1952                 for (i = 0; i < 12; i++) {
1953                         getmixer(cif, i, &rval, &lval);
1954                         snd_iprintf(buffer, "\n %d: %d %d", i, rval, lval);
1955                 }
1956                 snd_iprintf(buffer,
1957                             "\nARM Commands num: %d failed: %d time: %d max: %d min: %d",
1958                             cif->cmdcnt, cif->errcnt,
1959                             cif->cmdtime, cif->cmdtimemax, cif->cmdtimemin);
1960         }
1961         snd_iprintf(buffer, "\nOpen streams %d:\n", chip->openstreams);
1962         for (i = 0; i < PLAYBACK_SUBSTREAMS; i++) {
1963                 if (chip->playback_substream[i]
1964                     && chip->playback_substream[i]->runtime
1965                     && (data =
1966                         chip->playback_substream[i]->runtime->private_data)) {
1967                         snd_iprintf(buffer,
1968                                     "stream: %d mixer: %d source: %d (%d,%d)\n",
1969                                     data->id, data->mixer, data->source,
1970                                     data->intdec[0], data->intdec[1]);
1971                         if (!(getsamplerate(cif, data->intdec, &rate)))
1972                                 snd_iprintf(buffer, "rate: %d\n", rate);
1973                 }
1974         }
1975         if (chip->capture_substream
1976             && chip->capture_substream->runtime
1977             && (data = chip->capture_substream->runtime->private_data)) {
1978                 snd_iprintf(buffer,
1979                             "stream: %d mixer: %d source: %d (%d,%d)\n",
1980                             data->id, data->mixer,
1981                             data->source, data->intdec[0], data->intdec[1]);
1982                 if (!(getsamplerate(cif, data->intdec, &rate)))
1983                         snd_iprintf(buffer, "rate: %d\n", rate);
1984         }
1985         snd_iprintf(buffer, "Paths:\n");
1986         i = getpaths(cif, p);
1987         while (i--) {
1988                 snd_iprintf(buffer, "%x->%x ", p[i - 1], p[i]);
1989                 i--;
1990         }
1991         snd_iprintf(buffer, "\n");
1992 }
1993
1994 static void __devinit snd_riptide_proc_init(struct snd_riptide *chip)
1995 {
1996         struct snd_info_entry *entry;
1997
1998         if (!snd_card_proc_new(chip->card, "riptide", &entry))
1999                 snd_info_set_text_ops(entry, chip, snd_riptide_proc_read);
2000 }
2001
2002 static int __devinit snd_riptide_mixer(struct snd_riptide *chip)
2003 {
2004         struct snd_ac97_bus *pbus;
2005         struct snd_ac97_template ac97;
2006         int err = 0;
2007         static struct snd_ac97_bus_ops ops = {
2008                 .write = snd_riptide_codec_write,
2009                 .read = snd_riptide_codec_read,
2010         };
2011
2012         memset(&ac97, 0, sizeof(ac97));
2013         ac97.private_data = chip;
2014         ac97.scaps = AC97_SCAP_SKIP_MODEM;
2015
2016         if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0)
2017                 return err;
2018
2019         chip->ac97_bus = pbus;
2020         ac97.pci = chip->pci;
2021         if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97)) < 0)
2022                 return err;
2023         return err;
2024 }
2025
2026 #ifdef SUPPORT_JOYSTICK
2027 static int have_joystick;
2028 static struct pci_dev *riptide_gameport_pci;
2029 static struct gameport *riptide_gameport;
2030
2031 static int __devinit
2032 snd_riptide_joystick_probe(struct pci_dev *pci, const struct pci_device_id *id)
2033 {
2034         static int dev;
2035
2036         if (dev >= SNDRV_CARDS)
2037                 return -ENODEV;
2038         if (!enable[dev]) {
2039                 dev++;
2040                 return -ENOENT;
2041         }
2042
2043         if (joystick_port[dev]) {
2044                 riptide_gameport = gameport_allocate_port();
2045                 if (riptide_gameport) {
2046                         if (!request_region
2047                             (joystick_port[dev], 8, "Riptide gameport")) {
2048                                 snd_printk(KERN_WARNING
2049                                            "Riptide: cannot grab gameport 0x%x\n",
2050                                            joystick_port[dev]);
2051                                 gameport_free_port(riptide_gameport);
2052                                 riptide_gameport = NULL;
2053                         } else {
2054                                 riptide_gameport_pci = pci;
2055                                 riptide_gameport->io = joystick_port[dev];
2056                                 gameport_register_port(riptide_gameport);
2057                         }
2058                 }
2059         }
2060         dev++;
2061         return 0;
2062 }
2063
2064 static void __devexit snd_riptide_joystick_remove(struct pci_dev *pci)
2065 {
2066         if (riptide_gameport) {
2067                 if (riptide_gameport_pci == pci) {
2068                         release_region(riptide_gameport->io, 8);
2069                         riptide_gameport_pci = NULL;
2070                         gameport_unregister_port(riptide_gameport);
2071                         riptide_gameport = NULL;
2072                 }
2073         }
2074 }
2075 #endif
2076
2077 static int __devinit
2078 snd_card_riptide_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2079 {
2080         static int dev;
2081         struct snd_card *card;
2082         struct snd_riptide *chip;
2083         unsigned short addr;
2084         int err = 0;
2085
2086         if (dev >= SNDRV_CARDS)
2087                 return -ENODEV;
2088         if (!enable[dev]) {
2089                 dev++;
2090                 return -ENOENT;
2091         }
2092
2093         card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2094         if (card == NULL)
2095                 return -ENOMEM;
2096         if ((err = snd_riptide_create(card, pci, &chip)) < 0) {
2097                 snd_card_free(card);
2098                 return err;
2099         }
2100         card->private_data = chip;
2101         if ((err = snd_riptide_pcm(chip, 0, NULL)) < 0) {
2102                 snd_card_free(card);
2103                 return err;
2104         }
2105         if ((err = snd_riptide_mixer(chip)) < 0) {
2106                 snd_card_free(card);
2107                 return err;
2108         }
2109         pci_write_config_word(chip->pci, PCI_EXT_Legacy_Mask, LEGACY_ENABLE_ALL
2110                               | (opl3_port[dev] ? LEGACY_ENABLE_FM : 0)
2111 #ifdef SUPPORT_JOYSTICK
2112                               | (joystick_port[dev] ? LEGACY_ENABLE_GAMEPORT :
2113                                  0)
2114 #endif
2115                               | (mpu_port[dev]
2116                                  ? (LEGACY_ENABLE_MPU_INT | LEGACY_ENABLE_MPU) :
2117                                  0)
2118                               | ((chip->irq << 4) & 0xF0));
2119         if ((addr = mpu_port[dev]) != 0) {
2120                 pci_write_config_word(chip->pci, PCI_EXT_MPU_Base, addr);
2121                 if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_RIPTIDE,
2122                                                addr, 0, chip->irq, 0,
2123                                                &chip->rmidi)) < 0)
2124                         snd_printk(KERN_WARNING
2125                                    "Riptide: Can't Allocate MPU at 0x%x\n",
2126                                    addr);
2127                 else
2128                         chip->mpuaddr = addr;
2129         }
2130         if ((addr = opl3_port[dev]) != 0) {
2131                 pci_write_config_word(chip->pci, PCI_EXT_FM_Base, addr);
2132                 if ((err = snd_opl3_create(card, addr, addr + 2,
2133                                            OPL3_HW_RIPTIDE, 0,
2134                                            &chip->opl3)) < 0)
2135                         snd_printk(KERN_WARNING
2136                                    "Riptide: Can't Allocate OPL3 at 0x%x\n",
2137                                    addr);
2138                 else {
2139                         chip->opladdr = addr;
2140                         if ((err =
2141                              snd_opl3_hwdep_new(chip->opl3, 0, 1, NULL)) < 0)
2142                                 snd_printk(KERN_WARNING
2143                                            "Riptide: Can't Allocate OPL3-HWDEP\n");
2144                 }
2145         }
2146 #ifdef SUPPORT_JOYSTICK
2147         if ((addr = joystick_port[dev]) != 0) {
2148                 pci_write_config_word(chip->pci, PCI_EXT_Game_Base, addr);
2149                 chip->gameaddr = addr;
2150         }
2151 #endif
2152
2153         strcpy(card->driver, "RIPTIDE");
2154         strcpy(card->shortname, "Riptide");
2155 #ifdef SUPPORT_JOYSTICK
2156         snprintf(card->longname, sizeof(card->longname),
2157                  "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x gameport 0x%x",
2158                  card->shortname, chip->port, chip->irq, chip->mpuaddr,
2159                  chip->opladdr, chip->gameaddr);
2160 #else
2161         snprintf(card->longname, sizeof(card->longname),
2162                  "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x",
2163                  card->shortname, chip->port, chip->irq, chip->mpuaddr,
2164                  chip->opladdr);
2165 #endif
2166         snd_riptide_proc_init(chip);
2167         if ((err = snd_card_register(card)) < 0) {
2168                 snd_card_free(card);
2169                 return err;
2170         }
2171         pci_set_drvdata(pci, card);
2172         dev++;
2173         return 0;
2174 }
2175
2176 static void __devexit snd_card_riptide_remove(struct pci_dev *pci)
2177 {
2178         snd_card_free(pci_get_drvdata(pci));
2179         pci_set_drvdata(pci, NULL);
2180 }
2181
2182 static struct pci_driver driver = {
2183         .name = "RIPTIDE",
2184         .id_table = snd_riptide_ids,
2185         .probe = snd_card_riptide_probe,
2186         .remove = __devexit_p(snd_card_riptide_remove),
2187 #ifdef CONFIG_PM
2188         .suspend = riptide_suspend,
2189         .resume = riptide_resume,
2190 #endif
2191 };
2192
2193 #ifdef SUPPORT_JOYSTICK
2194 static struct pci_driver joystick_driver = {
2195         .name = "Riptide Joystick",
2196         .id_table = snd_riptide_joystick_ids,
2197         .probe = snd_riptide_joystick_probe,
2198         .remove = __devexit_p(snd_riptide_joystick_remove),
2199 };
2200 #endif
2201
2202 static int __init alsa_card_riptide_init(void)
2203 {
2204         int err;
2205         if ((err = pci_register_driver(&driver)) < 0)
2206                 return err;
2207 #if defined(SUPPORT_JOYSTICK)
2208         if (pci_register_driver(&joystick_driver) < 0) {
2209                 have_joystick = 0;
2210                 snd_printk(KERN_INFO "no joystick found\n");
2211         } else
2212                 have_joystick = 1;
2213 #endif
2214         return 0;
2215 }
2216
2217 static void __exit alsa_card_riptide_exit(void)
2218 {
2219         pci_unregister_driver(&driver);
2220 #if defined(SUPPORT_JOYSTICK)
2221         if (have_joystick)
2222                 pci_unregister_driver(&joystick_driver);
2223 #endif
2224 }
2225
2226 module_init(alsa_card_riptide_init);
2227 module_exit(alsa_card_riptide_exit);