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   1 /*
   2  *   Driver for the Conexant Riptide Soundchip
   3  *
   4  *      Copyright (c) 2004 Peter Gruber <nokos@gmx.net>
   5  *
   6  *   This program is free software; you can redistribute it and/or modify
   7  *   it under the terms of the GNU General Public License as published by
   8  *   the Free Software Foundation; either version 2 of the License, or
   9  *   (at your option) any later version.
  10  *
  11  *   This program is distributed in the hope that it will be useful,
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *   GNU General Public License for more details.
  15  *
  16  *   You should have received a copy of the GNU General Public License
  17  *   along with this program; if not, write to the Free Software
  18  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19  *
  20  */
  21 /*
  22   History:
  23    - 02/15/2004 first release
  24
  25   This Driver is based on the OSS Driver version from Linuxant (riptide-0.6lnxtbeta03111100)
  26   credits from the original files:
  27
  28   MODULE NAME:        cnxt_rt.h
  29   AUTHOR:             K. Lazarev  (Transcribed by KNL)
  30   HISTORY:         Major Revision               Date        By
  31             -----------------------------     --------     -----
  32             Created                           02/1/2000     KNL
  33
  34   MODULE NAME:     int_mdl.c
  35   AUTHOR:          Konstantin Lazarev    (Transcribed by KNL)
  36   HISTORY:         Major Revision               Date        By
  37             -----------------------------     --------     -----
  38             Created                           10/01/99      KNL
  39
  40   MODULE NAME:        riptide.h
  41   AUTHOR:             O. Druzhinin  (Transcribed by OLD)
  42   HISTORY:         Major Revision               Date        By
  43             -----------------------------     --------     -----
  44             Created                           10/16/97      OLD
  45
  46   MODULE NAME:        Rp_Cmdif.cpp
  47   AUTHOR:             O. Druzhinin  (Transcribed by OLD)
  48                       K. Lazarev    (Transcribed by KNL)
  49   HISTORY:         Major Revision               Date        By
  50             -----------------------------     --------     -----
  51             Adopted from NT4 driver            6/22/99      OLD
  52             Ported to Linux                    9/01/99      KNL
  53
  54   MODULE NAME:        rt_hw.c
  55   AUTHOR:             O. Druzhinin  (Transcribed by OLD)
  56                       C. Lazarev    (Transcribed by CNL)
  57   HISTORY:         Major Revision               Date        By
  58             -----------------------------     --------     -----
  59             Created                           11/18/97      OLD
  60             Hardware functions for RipTide    11/24/97      CNL
  61             (ES1) are coded
  62             Hardware functions for RipTide    12/24/97      CNL
  63             (A0) are coded
  64             Hardware functions for RipTide    03/20/98      CNL
  65             (A1) are coded
  66             Boot loader is included           05/07/98      CNL
  67             Redesigned for WDM                07/27/98      CNL
  68             Redesigned for Linux              09/01/99      CNL
  69
  70   MODULE NAME:        rt_hw.h
  71   AUTHOR:             C. Lazarev    (Transcribed by CNL)
  72   HISTORY:         Major Revision               Date        By
  73             -----------------------------     --------     -----
  74             Created                           11/18/97      CNL
  75
  76   MODULE NAME:     rt_mdl.c
  77   AUTHOR:          Konstantin Lazarev    (Transcribed by KNL)
  78   HISTORY:         Major Revision               Date        By
  79             -----------------------------     --------     -----
  80             Created                           10/01/99      KNL
  81
  82   MODULE NAME:        mixer.h
  83   AUTHOR:             K. Kenney
  84   HISTORY:         Major Revision                   Date          By
  85             -----------------------------          --------     -----
  86             Created from MS W95 Sample             11/28/95      KRS
  87             RipTide                                10/15/97      KRS
  88             Adopted for Windows NT driver          01/20/98      CNL
  89 */
  90
  91 #include <linux/delay.h>
  92 #include <linux/init.h>
  93 #include <linux/interrupt.h>
  94 #include <linux/pci.h>
  95 #include <linux/slab.h>
  96 #include <linux/wait.h>
  97 #include <linux/gameport.h>
  98 #include <linux/device.h>
  99 #include <linux/firmware.h>
 100 #include <asm/io.h>
 101 #include <sound/core.h>
 102 #include <sound/info.h>
 103 #include <sound/control.h>
 104 #include <sound/pcm.h>
 105 #include <sound/pcm_params.h>
 106 #include <sound/ac97_codec.h>
 107 #include <sound/mpu401.h>
 108 #include <sound/opl3.h>
 109 #include <sound/initval.h>
 110
 111 #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
 112 #define SUPPORT_JOYSTICK 1
 113 #endif
 114
 115 MODULE_AUTHOR("Peter Gruber <nokos@gmx.net>");
 116 MODULE_DESCRIPTION("riptide");
 117 MODULE_LICENSE("GPL");
 118 MODULE_SUPPORTED_DEVICE("{{Conexant,Riptide}}");
 119 MODULE_FIRMWARE("riptide.hex");
 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    50000
 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(const 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, const unsigned char *in, u32 offset)
 706 {
 707         u32 addr;
 708         u32 data;
 709         u32 i;
 710         const 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, const unsigned char *img,
 730                         unsigned int size)
 731 {
 732         const 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         if (snd_BUG_ON(!cif))
 869                 return -EINVAL;
 870
 871         hwport = cif->hwport;
 872         if (cif->errcnt > MAX_ERROR_COUNT) {
 873                 if (cif->is_reset) {
 874                         snd_printk(KERN_ERR
 875                                    "Riptide: Too many failed cmds, reinitializing\n");
 876                         if (riptide_reset(cif, NULL) == 0) {
 877                                 cif->errcnt = 0;
 878                                 return -EIO;
 879                         }
 880                 }
 881                 snd_printk(KERN_ERR "Riptide: Initialization failed.\n");
 882                 return -EINVAL;
 883         }
 884         if (ret) {
 885                 ret->retlongs[0] = 0;
 886                 ret->retlongs[1] = 0;
 887         }
 888         i = 0;
 889         spin_lock_irqsave(&cif->lock, irqflags);
 890         while (i++ < CMDIF_TIMEOUT && !IS_READY(cif->hwport))
 891                 udelay(10);
 892         if (i >= CMDIF_TIMEOUT) {
 893                 err = -EBUSY;
 894                 goto errout;
 895         }
 896
 897         err = 0;
 898         for (j = 0, time = 0; time < CMDIF_TIMEOUT; j++, time += 2) {
 899                 cmdport = &(hwport->port[j % 2]);
 900                 if (IS_DATF(cmdport)) { /* free pending data */
 901                         READ_PORT_ULONG(cmdport->data1);
 902                         READ_PORT_ULONG(cmdport->data2);
 903                 }
 904                 if (IS_CMDE(cmdport)) {
 905                         if (flags & PARM)       /* put data */
 906                                 WRITE_PORT_ULONG(cmdport->data2, parm);
 907                         WRITE_PORT_ULONG(cmdport->data1, cmd);  /* write cmd */
 908                         if ((flags & RESP) && ret) {
 909                                 while (!IS_DATF(cmdport) &&
 910                                        time++ < CMDIF_TIMEOUT)
 911                                         udelay(10);
 912                                 if (time < CMDIF_TIMEOUT) {     /* read response */
 913                                         ret->retlongs[0] =
 914                                             READ_PORT_ULONG(cmdport->data1);
 915                                         ret->retlongs[1] =
 916                                             READ_PORT_ULONG(cmdport->data2);
 917                                 } else {
 918                                         err = -ENOSYS;
 919                                         goto errout;
 920                                 }
 921                         }
 922                         break;
 923                 }
 924                 udelay(20);
 925         }
 926         if (time == CMDIF_TIMEOUT) {
 927                 err = -ENODATA;
 928                 goto errout;
 929         }
 930         spin_unlock_irqrestore(&cif->lock, irqflags);
 931
 932         cif->cmdcnt++;          /* update command statistics */
 933         cif->cmdtime += time;
 934         if (time > cif->cmdtimemax)
 935                 cif->cmdtimemax = time;
 936         if (time < cif->cmdtimemin)
 937                 cif->cmdtimemin = time;
 938         if ((cif->cmdcnt) % 1000 == 0)
 939                 snd_printdd
 940                     ("send cmd %d time: %d mintime: %d maxtime %d err: %d\n",
 941                      cif->cmdcnt, cif->cmdtime, cif->cmdtimemin,
 942                      cif->cmdtimemax, cif->errcnt);
 943         return 0;
 944
 945       errout:
 946         cif->errcnt++;
 947         spin_unlock_irqrestore(&cif->lock, irqflags);
 948         snd_printdd
 949             ("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",
 950              cif->cmdcnt, (int)((void *)&(cmdport->stat) - (void *)hwport),
 951              flags, cmd, parm, ret ? ret->retlongs[0] : 0,
 952              ret ? ret->retlongs[1] : 0, IS_CMDE(cmdport), IS_DATF(cmdport),
 953              err);
 954         return err;
 955 }
 956
 957 static int
 958 setmixer(struct cmdif *cif, short num, unsigned short rval, unsigned short lval)
 959 {
 960         union cmdret rptr = CMDRET_ZERO;
 961         int i = 0;
 962
 963         snd_printdd("sent mixer %d: 0x%d 0x%d\n", num, rval, lval);
 964         do {
 965                 SEND_SDGV(cif, num, num, rval, lval);
 966                 SEND_RDGV(cif, num, num, &rptr);
 967                 if (rptr.retwords[0] == lval && rptr.retwords[1] == rval)
 968                         return 0;
 969         } while (i++ < MAX_WRITE_RETRY);
 970         snd_printdd("sent mixer failed\n");
 971         return -EIO;
 972 }
 973
 974 static int getpaths(struct cmdif *cif, unsigned char *o)
 975 {
 976         unsigned char src[E2SINK_MAX];
 977         unsigned char sink[E2SINK_MAX];
 978         int i, j = 0;
 979
 980         for (i = 0; i < E2SINK_MAX; i++) {
 981                 getsourcesink(cif, i, i, &src[i], &sink[i]);
 982                 if (sink[i] < E2SINK_MAX) {
 983                         o[j++] = sink[i];
 984                         o[j++] = i;
 985                 }
 986         }
 987         return j;
 988 }
 989
 990 static int
 991 getsourcesink(struct cmdif *cif, unsigned char source, unsigned char sink,
 992               unsigned char *a, unsigned char *b)
 993 {
 994         union cmdret rptr = CMDRET_ZERO;
 995
 996         if (SEND_RSSV(cif, source, sink, &rptr) &&
 997             SEND_RSSV(cif, source, sink, &rptr))
 998                 return -EIO;
 999         *a = rptr.retbytes[0];
1000         *b = rptr.retbytes[1];
1001         snd_printdd("getsourcesink 0x%x 0x%x\n", *a, *b);
1002         return 0;
1003 }
1004
1005 static int
1006 getsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int *rate)
1007 {
1008         unsigned char *s;
1009         unsigned int p[2] = { 0, 0 };
1010         int i;
1011         union cmdret rptr = CMDRET_ZERO;
1012
1013         s = intdec;
1014         for (i = 0; i < 2; i++) {
1015                 if (*s != 0xff) {
1016                         if (SEND_RSRC(cif, *s, &rptr) &&
1017                             SEND_RSRC(cif, *s, &rptr))
1018                                 return -EIO;
1019                         p[i] += rptr.retwords[1];
1020                         p[i] *= rptr.retwords[2];
1021                         p[i] += rptr.retwords[3];
1022                         p[i] /= 65536;
1023                 }
1024                 s++;
1025         }
1026         if (p[0]) {
1027                 if (p[1] != p[0])
1028                         snd_printdd("rates differ %d %d\n", p[0], p[1]);
1029                 *rate = (unsigned int)p[0];
1030         } else
1031                 *rate = (unsigned int)p[1];
1032         snd_printdd("getsampleformat %d %d %d\n", intdec[0], intdec[1], *rate);
1033         return 0;
1034 }
1035
1036 static int
1037 setsampleformat(struct cmdif *cif,
1038                 unsigned char mixer, unsigned char id,
1039                 unsigned char channels, unsigned char format)
1040 {
1041         unsigned char w, ch, sig, order;
1042
1043         snd_printdd
1044             ("setsampleformat mixer: %d id: %d channels: %d format: %d\n",
1045              mixer, id, channels, format);
1046         ch = channels == 1;
1047         w = snd_pcm_format_width(format) == 8;
1048         sig = snd_pcm_format_unsigned(format) != 0;
1049         order = snd_pcm_format_big_endian(format) != 0;
1050
1051         if (SEND_SETF(cif, mixer, w, ch, order, sig, id) &&
1052             SEND_SETF(cif, mixer, w, ch, order, sig, id)) {
1053                 snd_printdd("setsampleformat failed\n");
1054                 return -EIO;
1055         }
1056         return 0;
1057 }
1058
1059 static int
1060 setsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int rate)
1061 {
1062         u32 D, M, N;
1063         union cmdret rptr = CMDRET_ZERO;
1064         int i;
1065
1066         snd_printdd("setsamplerate intdec: %d,%d rate: %d\n", intdec[0],
1067                     intdec[1], rate);
1068         D = 48000;
1069         M = ((rate == 48000) ? 47999 : rate) * 65536;
1070         N = M % D;
1071         M /= D;
1072         for (i = 0; i < 2; i++) {
1073                 if (*intdec != 0xff) {
1074                         do {
1075                                 SEND_SSRC(cif, *intdec, D, M, N);
1076                                 SEND_RSRC(cif, *intdec, &rptr);
1077                         } while (rptr.retwords[1] != D &&
1078                                  rptr.retwords[2] != M &&
1079                                  rptr.retwords[3] != N &&
1080                                  i++ < MAX_WRITE_RETRY);
1081                         if (i == MAX_WRITE_RETRY) {
1082                                 snd_printdd("sent samplerate %d: %d failed\n",
1083                                             *intdec, rate);
1084                                 return -EIO;
1085                         }
1086                 }
1087                 intdec++;
1088         }
1089         return 0;
1090 }
1091
1092 static int
1093 getmixer(struct cmdif *cif, short num, unsigned short *rval,
1094          unsigned short *lval)
1095 {
1096         union cmdret rptr = CMDRET_ZERO;
1097
1098         if (SEND_RDGV(cif, num, num, &rptr) && SEND_RDGV(cif, num, num, &rptr))
1099                 return -EIO;
1100         *rval = rptr.retwords[0];
1101         *lval = rptr.retwords[1];
1102         snd_printdd("got mixer %d: 0x%d 0x%d\n", num, *rval, *lval);
1103         return 0;
1104 }
1105
1106 static void riptide_handleirq(unsigned long dev_id)
1107 {
1108         struct snd_riptide *chip = (void *)dev_id;
1109         struct cmdif *cif = chip->cif;
1110         struct snd_pcm_substream *substream[PLAYBACK_SUBSTREAMS + 1];
1111         struct snd_pcm_runtime *runtime;
1112         struct pcmhw *data = NULL;
1113         unsigned int pos, period_bytes;
1114         struct sgd *c;
1115         int i, j;
1116         unsigned int flag;
1117
1118         if (!cif)
1119                 return;
1120
1121         for (i = 0; i < PLAYBACK_SUBSTREAMS; i++)
1122                 substream[i] = chip->playback_substream[i];
1123         substream[i] = chip->capture_substream;
1124         for (i = 0; i < PLAYBACK_SUBSTREAMS + 1; i++) {
1125                 if (substream[i] &&
1126                     (runtime = substream[i]->runtime) &&
1127                     (data = runtime->private_data) && data->state != ST_STOP) {
1128                         pos = 0;
1129                         for (j = 0; j < data->pages; j++) {
1130                                 c = &data->sgdbuf[j];
1131                                 flag = le32_to_cpu(c->dwStat_Ctl);
1132                                 if (flag & EOB_STATUS)
1133                                         pos += le32_to_cpu(c->dwSegLen);
1134                                 if (flag & EOC_STATUS)
1135                                         pos += le32_to_cpu(c->dwSegLen);
1136                                 if ((flag & EOS_STATUS)
1137                                     && (data->state == ST_PLAY)) {
1138                                         data->state = ST_STOP;
1139                                         snd_printk(KERN_ERR
1140                                                    "Riptide: DMA stopped unexpectedly\n");
1141                                 }
1142                                 c->dwStat_Ctl =
1143                                     cpu_to_le32(flag &
1144                                                 ~(EOS_STATUS | EOB_STATUS |
1145                                                   EOC_STATUS));
1146                         }
1147                         data->pointer += pos;
1148                         pos += data->oldpos;
1149                         if (data->state != ST_STOP) {
1150                                 period_bytes =
1151                                     frames_to_bytes(runtime,
1152                                                     runtime->period_size);
1153                                 snd_printdd
1154                                     ("interrupt 0x%x after 0x%lx of 0x%lx frames in period\n",
1155                                      READ_AUDIO_STATUS(cif->hwport),
1156                                      bytes_to_frames(runtime, pos),
1157                                      runtime->period_size);
1158                                 j = 0;
1159                                 if (pos >= period_bytes) {
1160                                         j++;
1161                                         while (pos >= period_bytes)
1162                                                 pos -= period_bytes;
1163                                 }
1164                                 data->oldpos = pos;
1165                                 if (j > 0)
1166                                         snd_pcm_period_elapsed(substream[i]);
1167                         }
1168                 }
1169         }
1170 }
1171
1172 #ifdef CONFIG_PM
1173 static int riptide_suspend(struct pci_dev *pci, pm_message_t state)
1174 {
1175         struct snd_card *card = pci_get_drvdata(pci);
1176         struct snd_riptide *chip = card->private_data;
1177
1178         chip->in_suspend = 1;
1179         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1180         snd_pcm_suspend_all(chip->pcm);
1181         snd_ac97_suspend(chip->ac97);
1182         pci_disable_device(pci);
1183         pci_save_state(pci);
1184         pci_set_power_state(pci, pci_choose_state(pci, state));
1185         return 0;
1186 }
1187
1188 static int riptide_resume(struct pci_dev *pci)
1189 {
1190         struct snd_card *card = pci_get_drvdata(pci);
1191         struct snd_riptide *chip = card->private_data;
1192
1193         pci_set_power_state(pci, PCI_D0);
1194         pci_restore_state(pci);
1195         if (pci_enable_device(pci) < 0) {
1196                 printk(KERN_ERR "riptide: pci_enable_device failed, "
1197                        "disabling device\n");
1198                 snd_card_disconnect(card);
1199                 return -EIO;
1200         }
1201         pci_set_master(pci);
1202         snd_riptide_initialize(chip);
1203         snd_ac97_resume(chip->ac97);
1204         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1205         chip->in_suspend = 0;
1206         return 0;
1207 }
1208 #endif
1209
1210 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip)
1211 {
1212         int timeout, tries;
1213         union cmdret rptr = CMDRET_ZERO;
1214         union firmware_version firmware;
1215         int i, j, err, has_firmware;
1216
1217         if (!cif)
1218                 return -EINVAL;
1219
1220         cif->cmdcnt = 0;
1221         cif->cmdtime = 0;
1222         cif->cmdtimemax = 0;
1223         cif->cmdtimemin = 0xffffffff;
1224         cif->errcnt = 0;
1225         cif->is_reset = 0;
1226
1227         tries = RESET_TRIES;
1228         has_firmware = 0;
1229         while (has_firmware == 0 && tries-- > 0) {
1230                 for (i = 0; i < 2; i++) {
1231                         WRITE_PORT_ULONG(cif->hwport->port[i].data1, 0);
1232                         WRITE_PORT_ULONG(cif->hwport->port[i].data2, 0);
1233                 }
1234                 SET_GRESET(cif->hwport);
1235                 udelay(100);
1236                 UNSET_GRESET(cif->hwport);
1237                 udelay(100);
1238
1239                 for (timeout = 100000; --timeout; udelay(10)) {
1240                         if (IS_READY(cif->hwport) && !IS_GERR(cif->hwport))
1241                                 break;
1242                 }
1243                 if (timeout == 0) {
1244                         snd_printk(KERN_ERR
1245                                    "Riptide: device not ready, 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                         return -EIO;
1249                 } else {
1250                         snd_printdd
1251                             ("Riptide: audio status: 0x%x ready: %d gerr: %d\n",
1252                              READ_AUDIO_STATUS(cif->hwport),
1253                              IS_READY(cif->hwport), IS_GERR(cif->hwport));
1254                 }
1255
1256                 SEND_GETV(cif, &rptr);
1257                 for (i = 0; i < 4; i++)
1258                         firmware.ret.retwords[i] = rptr.retwords[i];
1259
1260                 snd_printdd
1261                     ("Firmware version: ASIC: %d CODEC %d AUXDSP %d PROG %d\n",
1262                      firmware.firmware.ASIC, firmware.firmware.CODEC,
1263                      firmware.firmware.AUXDSP, firmware.firmware.PROG);
1264
1265                 for (j = 0; j < FIRMWARE_VERSIONS; j++) {
1266                         has_firmware = 1;
1267                         for (i = 0; i < 4; i++) {
1268                                 if (firmware_versions[j].ret.retwords[i] !=
1269                                     firmware.ret.retwords[i])
1270                                         has_firmware = 0;
1271                         }
1272                         if (has_firmware)
1273                                 break;
1274                 }
1275
1276                 if (chip != NULL && has_firmware == 0) {
1277                         snd_printdd("Writing Firmware\n");
1278                         if (!chip->fw_entry) {
1279                                 if ((err =
1280                                      request_firmware(&chip->fw_entry,
1281                                                       "riptide.hex",
1282                                                       &chip->pci->dev)) != 0) {
1283                                         snd_printk(KERN_ERR
1284                                                    "Riptide: Firmware not available %d\n",
1285                                                    err);
1286                                         return -EIO;
1287                                 }
1288                         }
1289                         err = loadfirmware(cif, chip->fw_entry->data,
1290                                            chip->fw_entry->size);
1291                         if (err)
1292                                 snd_printk(KERN_ERR
1293                                            "Riptide: Could not load firmware %d\n",
1294                                            err);
1295                 }
1296         }
1297
1298         SEND_SACR(cif, 0, AC97_RESET);
1299         SEND_RACR(cif, AC97_RESET, &rptr);
1300         snd_printdd("AC97: 0x%x 0x%x\n", rptr.retlongs[0], rptr.retlongs[1]);
1301
1302         SEND_PLST(cif, 0);
1303         SEND_SLST(cif, 0);
1304         SEND_DLST(cif, 0);
1305         SEND_ALST(cif, 0);
1306         SEND_KDMA(cif);
1307
1308         writearm(cif, 0x301F8, 1, 1);
1309         writearm(cif, 0x301F4, 1, 1);
1310
1311         SEND_LSEL(cif, MODEM_CMD, 0, 0, MODEM_INTDEC, MODEM_MERGER,
1312                   MODEM_SPLITTER, MODEM_MIXER);
1313         setmixer(cif, MODEM_MIXER, 0x7fff, 0x7fff);
1314         alloclbuspath(cif, ARM2LBUS_FIFO13, lbus_play_modem, NULL, NULL);
1315
1316         SEND_LSEL(cif, FM_CMD, 0, 0, FM_INTDEC, FM_MERGER, FM_SPLITTER,
1317                   FM_MIXER);
1318         setmixer(cif, FM_MIXER, 0x7fff, 0x7fff);
1319         writearm(cif, 0x30648 + FM_MIXER * 4, 0x01, 0x00000005);
1320         writearm(cif, 0x301A8, 0x02, 0x00000002);
1321         writearm(cif, 0x30264, 0x08, 0xffffffff);
1322         alloclbuspath(cif, OPL3_SAMPLE, lbus_play_opl3, NULL, NULL);
1323
1324         SEND_SSRC(cif, I2S_INTDEC, 48000,
1325                   ((u32) I2S_RATE * 65536) / 48000,
1326                   ((u32) I2S_RATE * 65536) % 48000);
1327         SEND_LSEL(cif, I2S_CMD0, 0, 0, I2S_INTDEC, I2S_MERGER, I2S_SPLITTER,
1328                   I2S_MIXER);
1329         SEND_SI2S(cif, 1);
1330         alloclbuspath(cif, ARM2LBUS_FIFO0, lbus_play_i2s, NULL, NULL);
1331         alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_out, NULL, NULL);
1332         alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_outhp, NULL, NULL);
1333
1334         SET_AIACK(cif->hwport);
1335         SET_AIE(cif->hwport);
1336         SET_AIACK(cif->hwport);
1337         cif->is_reset = 1;
1338         if (chip) {
1339                 for (i = 0; i < 4; i++)
1340                         chip->firmware.ret.retwords[i] =
1341                             firmware.ret.retwords[i];
1342         }
1343
1344         return 0;
1345 }
1346
1347 static struct snd_pcm_hardware snd_riptide_playback = {
1348         .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1349                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1350                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1351         .formats =
1352             SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1353             | SNDRV_PCM_FMTBIT_U16_LE,
1354         .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1355         .rate_min = 5500,
1356         .rate_max = 48000,
1357         .channels_min = 1,
1358         .channels_max = 2,
1359         .buffer_bytes_max = (64 * 1024),
1360         .period_bytes_min = PAGE_SIZE >> 1,
1361         .period_bytes_max = PAGE_SIZE << 8,
1362         .periods_min = 2,
1363         .periods_max = 64,
1364         .fifo_size = 0,
1365 };
1366 static struct snd_pcm_hardware snd_riptide_capture = {
1367         .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1368                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1369                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1370         .formats =
1371             SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1372             | SNDRV_PCM_FMTBIT_U16_LE,
1373         .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1374         .rate_min = 5500,
1375         .rate_max = 48000,
1376         .channels_min = 1,
1377         .channels_max = 2,
1378         .buffer_bytes_max = (64 * 1024),
1379         .period_bytes_min = PAGE_SIZE >> 1,
1380         .period_bytes_max = PAGE_SIZE << 3,
1381         .periods_min = 2,
1382         .periods_max = 64,
1383         .fifo_size = 0,
1384 };
1385
1386 static snd_pcm_uframes_t snd_riptide_pointer(struct snd_pcm_substream
1387                                              *substream)
1388 {
1389         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1390         struct snd_pcm_runtime *runtime = substream->runtime;
1391         struct pcmhw *data = get_pcmhwdev(substream);
1392         struct cmdif *cif = chip->cif;
1393         union cmdret rptr = CMDRET_ZERO;
1394         snd_pcm_uframes_t ret;
1395
1396         SEND_GPOS(cif, 0, data->id, &rptr);
1397         if (data->size && runtime->period_size) {
1398                 snd_printdd
1399                     ("pointer stream %d position 0x%x(0x%x in buffer) bytes 0x%lx(0x%lx in period) frames\n",
1400                      data->id, rptr.retlongs[1], rptr.retlongs[1] % data->size,
1401                      bytes_to_frames(runtime, rptr.retlongs[1]),
1402                      bytes_to_frames(runtime,
1403                                      rptr.retlongs[1]) % runtime->period_size);
1404                 if (rptr.retlongs[1] > data->pointer)
1405                         ret =
1406                             bytes_to_frames(runtime,
1407                                             rptr.retlongs[1] % data->size);
1408                 else
1409                         ret =
1410                             bytes_to_frames(runtime,
1411                                             data->pointer % data->size);
1412         } else {
1413                 snd_printdd("stream not started or strange parms (%d %ld)\n",
1414                             data->size, runtime->period_size);
1415                 ret = bytes_to_frames(runtime, 0);
1416         }
1417         return ret;
1418 }
1419
1420 static int snd_riptide_trigger(struct snd_pcm_substream *substream, int cmd)
1421 {
1422         int i, j;
1423         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1424         struct pcmhw *data = get_pcmhwdev(substream);
1425         struct cmdif *cif = chip->cif;
1426         union cmdret rptr = CMDRET_ZERO;
1427
1428         spin_lock(&chip->lock);
1429         switch (cmd) {
1430         case SNDRV_PCM_TRIGGER_START:
1431         case SNDRV_PCM_TRIGGER_RESUME:
1432                 if (!(data->state & ST_PLAY)) {
1433                         SEND_SSTR(cif, data->id, data->sgdlist.addr);
1434                         SET_AIE(cif->hwport);
1435                         data->state = ST_PLAY;
1436                         if (data->mixer != 0xff)
1437                                 setmixer(cif, data->mixer, 0x7fff, 0x7fff);
1438                         chip->openstreams++;
1439                         data->oldpos = 0;
1440                         data->pointer = 0;
1441                 }
1442                 break;
1443         case SNDRV_PCM_TRIGGER_STOP:
1444         case SNDRV_PCM_TRIGGER_SUSPEND:
1445                 if (data->mixer != 0xff)
1446                         setmixer(cif, data->mixer, 0, 0);
1447                 setmixer(cif, data->mixer, 0, 0);
1448                 SEND_KSTR(cif, data->id);
1449                 data->state = ST_STOP;
1450                 chip->openstreams--;
1451                 j = 0;
1452                 do {
1453                         i = rptr.retlongs[1];
1454                         SEND_GPOS(cif, 0, data->id, &rptr);
1455                         udelay(1);
1456                 } while (i != rptr.retlongs[1] && j++ < MAX_WRITE_RETRY);
1457                 if (j >= MAX_WRITE_RETRY)
1458                         snd_printk(KERN_ERR "Riptide: Could not stop stream!");
1459                 break;
1460         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1461                 if (!(data->state & ST_PAUSE)) {
1462                         SEND_PSTR(cif, data->id);
1463                         data->state |= ST_PAUSE;
1464                         chip->openstreams--;
1465                 }
1466                 break;
1467         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1468                 if (data->state & ST_PAUSE) {
1469                         SEND_SSTR(cif, data->id, data->sgdlist.addr);
1470                         data->state &= ~ST_PAUSE;
1471                         chip->openstreams++;
1472                 }
1473                 break;
1474         default:
1475                 spin_unlock(&chip->lock);
1476                 return -EINVAL;
1477         }
1478         spin_unlock(&chip->lock);
1479         return 0;
1480 }
1481
1482 static int snd_riptide_prepare(struct snd_pcm_substream *substream)
1483 {
1484         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1485         struct snd_pcm_runtime *runtime = substream->runtime;
1486         struct pcmhw *data = get_pcmhwdev(substream);
1487         struct cmdif *cif = chip->cif;
1488         unsigned char *lbuspath = NULL;
1489         unsigned int rate, channels;
1490         int err = 0;
1491         snd_pcm_format_t format;
1492
1493         if (snd_BUG_ON(!cif || !data))
1494                 return -EINVAL;
1495
1496         snd_printdd("prepare id %d ch: %d f:0x%x r:%d\n", data->id,
1497                     runtime->channels, runtime->format, runtime->rate);
1498
1499         spin_lock_irq(&chip->lock);
1500         channels = runtime->channels;
1501         format = runtime->format;
1502         rate = runtime->rate;
1503         switch (channels) {
1504         case 1:
1505                 if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1506                         lbuspath = data->paths.noconv;
1507                 else
1508                         lbuspath = data->paths.mono;
1509                 break;
1510         case 2:
1511                 if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1512                         lbuspath = data->paths.noconv;
1513                 else
1514                         lbuspath = data->paths.stereo;
1515                 break;
1516         }
1517         snd_printdd("use sgdlist at 0x%p\n",
1518                     data->sgdlist.area);
1519         if (data->sgdlist.area) {
1520                 unsigned int i, j, size, pages, f, pt, period;
1521                 struct sgd *c, *p = NULL;
1522
1523                 size = frames_to_bytes(runtime, runtime->buffer_size);
1524                 period = frames_to_bytes(runtime, runtime->period_size);
1525                 f = PAGE_SIZE;
1526                 while ((size + (f >> 1) - 1) <= (f << 7) && (f << 1) > period)
1527                         f = f >> 1;
1528                 pages = (size + f - 1) / f;
1529                 data->size = size;
1530                 data->pages = pages;
1531                 snd_printdd
1532                     ("create sgd size: 0x%x pages %d of size 0x%x for period 0x%x\n",
1533                      size, pages, f, period);
1534                 pt = 0;
1535                 j = 0;
1536                 for (i = 0; i < pages; i++) {
1537                         unsigned int ofs, addr;
1538                         c = &data->sgdbuf[i];
1539                         if (p)
1540                                 p->dwNextLink = cpu_to_le32(data->sgdlist.addr +
1541                                                             (i *
1542                                                              sizeof(struct
1543                                                                     sgd)));
1544                         c->dwNextLink = cpu_to_le32(data->sgdlist.addr);
1545                         ofs = j << PAGE_SHIFT;
1546                         addr = snd_pcm_sgbuf_get_addr(substream, ofs) + pt;
1547                         c->dwSegPtrPhys = cpu_to_le32(addr);
1548                         pt = (pt + f) % PAGE_SIZE;
1549                         if (pt == 0)
1550                                 j++;
1551                         c->dwSegLen = cpu_to_le32(f);
1552                         c->dwStat_Ctl =
1553                             cpu_to_le32(IEOB_ENABLE | IEOS_ENABLE |
1554                                         IEOC_ENABLE);
1555                         p = c;
1556                         size -= f;
1557                 }
1558                 data->sgdbuf[i].dwSegLen = cpu_to_le32(size);
1559         }
1560         if (lbuspath && lbuspath != data->lbuspath) {
1561                 if (data->lbuspath)
1562                         freelbuspath(cif, data->source, data->lbuspath);
1563                 alloclbuspath(cif, data->source, lbuspath,
1564                               &data->mixer, data->intdec);
1565                 data->lbuspath = lbuspath;
1566                 data->rate = 0;
1567         }
1568         if (data->rate != rate || data->format != format ||
1569             data->channels != channels) {
1570                 data->rate = rate;
1571                 data->format = format;
1572                 data->channels = channels;
1573                 if (setsampleformat
1574                     (cif, data->mixer, data->id, channels, format)
1575                     || setsamplerate(cif, data->intdec, rate))
1576                         err = -EIO;
1577         }
1578         spin_unlock_irq(&chip->lock);
1579         return err;
1580 }
1581
1582 static int
1583 snd_riptide_hw_params(struct snd_pcm_substream *substream,
1584                       struct snd_pcm_hw_params *hw_params)
1585 {
1586         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1587         struct pcmhw *data = get_pcmhwdev(substream);
1588         struct snd_dma_buffer *sgdlist = &data->sgdlist;
1589         int err;
1590
1591         snd_printdd("hw params id %d (sgdlist: 0x%p 0x%lx %d)\n", data->id,
1592                     sgdlist->area, (unsigned long)sgdlist->addr,
1593                     (int)sgdlist->bytes);
1594         if (sgdlist->area)
1595                 snd_dma_free_pages(sgdlist);
1596         if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
1597                                        snd_dma_pci_data(chip->pci),
1598                                        sizeof(struct sgd) * (DESC_MAX_MASK + 1),
1599                                        sgdlist)) < 0) {
1600                 snd_printk(KERN_ERR "Riptide: failed to alloc %d dma bytes\n",
1601                            (int)sizeof(struct sgd) * (DESC_MAX_MASK + 1));
1602                 return err;
1603         }
1604         data->sgdbuf = (struct sgd *)sgdlist->area;
1605         return snd_pcm_lib_malloc_pages(substream,
1606                                         params_buffer_bytes(hw_params));
1607 }
1608
1609 static int snd_riptide_hw_free(struct snd_pcm_substream *substream)
1610 {
1611         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1612         struct pcmhw *data = get_pcmhwdev(substream);
1613         struct cmdif *cif = chip->cif;
1614
1615         if (cif && data) {
1616                 if (data->lbuspath)
1617                         freelbuspath(cif, data->source, data->lbuspath);
1618                 data->lbuspath = NULL;
1619                 data->source = 0xff;
1620                 data->intdec[0] = 0xff;
1621                 data->intdec[1] = 0xff;
1622
1623                 if (data->sgdlist.area) {
1624                         snd_dma_free_pages(&data->sgdlist);
1625                         data->sgdlist.area = NULL;
1626                 }
1627         }
1628         return snd_pcm_lib_free_pages(substream);
1629 }
1630
1631 static int snd_riptide_playback_open(struct snd_pcm_substream *substream)
1632 {
1633         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1634         struct snd_pcm_runtime *runtime = substream->runtime;
1635         struct pcmhw *data;
1636         int sub_num = substream->number;
1637
1638         chip->playback_substream[sub_num] = substream;
1639         runtime->hw = snd_riptide_playback;
1640         data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1641         data->paths = lbus_play_paths[sub_num];
1642         data->id = play_ids[sub_num];
1643         data->source = play_sources[sub_num];
1644         data->intdec[0] = 0xff;
1645         data->intdec[1] = 0xff;
1646         data->state = ST_STOP;
1647         runtime->private_data = data;
1648         return snd_pcm_hw_constraint_integer(runtime,
1649                                              SNDRV_PCM_HW_PARAM_PERIODS);
1650 }
1651
1652 static int snd_riptide_capture_open(struct snd_pcm_substream *substream)
1653 {
1654         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1655         struct snd_pcm_runtime *runtime = substream->runtime;
1656         struct pcmhw *data;
1657
1658         chip->capture_substream = substream;
1659         runtime->hw = snd_riptide_capture;
1660         data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1661         data->paths = lbus_rec_path;
1662         data->id = PADC;
1663         data->source = ACLNK2PADC;
1664         data->intdec[0] = 0xff;
1665         data->intdec[1] = 0xff;
1666         data->state = ST_STOP;
1667         runtime->private_data = data;
1668         return snd_pcm_hw_constraint_integer(runtime,
1669                                              SNDRV_PCM_HW_PARAM_PERIODS);
1670 }
1671
1672 static int snd_riptide_playback_close(struct snd_pcm_substream *substream)
1673 {
1674         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1675         struct pcmhw *data = get_pcmhwdev(substream);
1676         int sub_num = substream->number;
1677
1678         substream->runtime->private_data = NULL;
1679         chip->playback_substream[sub_num] = NULL;
1680         kfree(data);
1681         return 0;
1682 }
1683
1684 static int snd_riptide_capture_close(struct snd_pcm_substream *substream)
1685 {
1686         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1687         struct pcmhw *data = get_pcmhwdev(substream);
1688
1689         substream->runtime->private_data = NULL;
1690         chip->capture_substream = NULL;
1691         kfree(data);
1692         return 0;
1693 }
1694
1695 static struct snd_pcm_ops snd_riptide_playback_ops = {
1696         .open = snd_riptide_playback_open,
1697         .close = snd_riptide_playback_close,
1698         .ioctl = snd_pcm_lib_ioctl,
1699         .hw_params = snd_riptide_hw_params,
1700         .hw_free = snd_riptide_hw_free,
1701         .prepare = snd_riptide_prepare,
1702         .page = snd_pcm_sgbuf_ops_page,
1703         .trigger = snd_riptide_trigger,
1704         .pointer = snd_riptide_pointer,
1705 };
1706 static struct snd_pcm_ops snd_riptide_capture_ops = {
1707         .open = snd_riptide_capture_open,
1708         .close = snd_riptide_capture_close,
1709         .ioctl = snd_pcm_lib_ioctl,
1710         .hw_params = snd_riptide_hw_params,
1711         .hw_free = snd_riptide_hw_free,
1712         .prepare = snd_riptide_prepare,
1713         .page = snd_pcm_sgbuf_ops_page,
1714         .trigger = snd_riptide_trigger,
1715         .pointer = snd_riptide_pointer,
1716 };
1717
1718 static int __devinit
1719 snd_riptide_pcm(struct snd_riptide *chip, int device, struct snd_pcm **rpcm)
1720 {
1721         struct snd_pcm *pcm;
1722         int err;
1723
1724         if (rpcm)
1725                 *rpcm = NULL;
1726         if ((err =
1727              snd_pcm_new(chip->card, "RIPTIDE", device, PLAYBACK_SUBSTREAMS, 1,
1728                          &pcm)) < 0)
1729                 return err;
1730         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1731                         &snd_riptide_playback_ops);
1732         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1733                         &snd_riptide_capture_ops);
1734         pcm->private_data = chip;
1735         pcm->info_flags = 0;
1736         strcpy(pcm->name, "RIPTIDE");
1737         chip->pcm = pcm;
1738         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1739                                               snd_dma_pci_data(chip->pci),
1740                                               64 * 1024, 128 * 1024);
1741         if (rpcm)
1742                 *rpcm = pcm;
1743         return 0;
1744 }
1745
1746 static irqreturn_t
1747 snd_riptide_interrupt(int irq, void *dev_id)
1748 {
1749         struct snd_riptide *chip = dev_id;
1750         struct cmdif *cif = chip->cif;
1751
1752         if (cif) {
1753                 chip->received_irqs++;
1754                 if (IS_EOBIRQ(cif->hwport) || IS_EOSIRQ(cif->hwport) ||
1755                     IS_EOCIRQ(cif->hwport)) {
1756                         chip->handled_irqs++;
1757                         tasklet_schedule(&chip->riptide_tq);
1758                 }
1759                 if (chip->rmidi && IS_MPUIRQ(cif->hwport)) {
1760                         chip->handled_irqs++;
1761                         snd_mpu401_uart_interrupt(irq,
1762                                                   chip->rmidi->private_data);
1763                 }
1764                 SET_AIACK(cif->hwport);
1765         }
1766         return IRQ_HANDLED;
1767 }
1768
1769 static void
1770 snd_riptide_codec_write(struct snd_ac97 *ac97, unsigned short reg,
1771                         unsigned short val)
1772 {
1773         struct snd_riptide *chip = ac97->private_data;
1774         struct cmdif *cif = chip->cif;
1775         union cmdret rptr = CMDRET_ZERO;
1776         int i = 0;
1777
1778         if (snd_BUG_ON(!cif))
1779                 return;
1780
1781         snd_printdd("Write AC97 reg 0x%x 0x%x\n", reg, val);
1782         do {
1783                 SEND_SACR(cif, val, reg);
1784                 SEND_RACR(cif, reg, &rptr);
1785         } while (rptr.retwords[1] != val && i++ < MAX_WRITE_RETRY);
1786         if (i == MAX_WRITE_RETRY)
1787                 snd_printdd("Write AC97 reg failed\n");
1788 }
1789
1790 static unsigned short snd_riptide_codec_read(struct snd_ac97 *ac97,
1791                                              unsigned short reg)
1792 {
1793         struct snd_riptide *chip = ac97->private_data;
1794         struct cmdif *cif = chip->cif;
1795         union cmdret rptr = CMDRET_ZERO;
1796
1797         if (snd_BUG_ON(!cif))
1798                 return 0;
1799
1800         if (SEND_RACR(cif, reg, &rptr) != 0)
1801                 SEND_RACR(cif, reg, &rptr);
1802         snd_printdd("Read AC97 reg 0x%x got 0x%x\n", reg, rptr.retwords[1]);
1803         return rptr.retwords[1];
1804 }
1805
1806 static int snd_riptide_initialize(struct snd_riptide *chip)
1807 {
1808         struct cmdif *cif;
1809         unsigned int device_id;
1810         int err;
1811
1812         if (snd_BUG_ON(!chip))
1813                 return -EINVAL;
1814
1815         cif = chip->cif;
1816         if (!cif) {
1817                 if ((cif = kzalloc(sizeof(struct cmdif), GFP_KERNEL)) == NULL)
1818                         return -ENOMEM;
1819                 cif->hwport = (struct riptideport *)chip->port;
1820                 spin_lock_init(&cif->lock);
1821                 chip->cif = cif;
1822         }
1823         cif->is_reset = 0;
1824         if ((err = riptide_reset(cif, chip)) != 0)
1825                 return err;
1826         device_id = chip->device_id;
1827         switch (device_id) {
1828         case 0x4310:
1829         case 0x4320:
1830         case 0x4330:
1831                 snd_printdd("Modem enable?\n");
1832                 SEND_SETDPLL(cif);
1833                 break;
1834         }
1835         snd_printdd("Enabling MPU IRQs\n");
1836         if (chip->rmidi)
1837                 SET_EMPUIRQ(cif->hwport);
1838         return err;
1839 }
1840
1841 static int snd_riptide_free(struct snd_riptide *chip)
1842 {
1843         struct cmdif *cif;
1844
1845         if (!chip)
1846                 return 0;
1847
1848         if ((cif = chip->cif)) {
1849                 SET_GRESET(cif->hwport);
1850                 udelay(100);
1851                 UNSET_GRESET(cif->hwport);
1852                 kfree(chip->cif);
1853         }
1854         if (chip->irq >= 0)
1855                 free_irq(chip->irq, chip);
1856         if (chip->fw_entry)
1857                 release_firmware(chip->fw_entry);
1858         release_and_free_resource(chip->res_port);
1859         kfree(chip);
1860         return 0;
1861 }
1862
1863 static int snd_riptide_dev_free(struct snd_device *device)
1864 {
1865         struct snd_riptide *chip = device->device_data;
1866
1867         return snd_riptide_free(chip);
1868 }
1869
1870 static int __devinit
1871 snd_riptide_create(struct snd_card *card, struct pci_dev *pci,
1872                    struct snd_riptide **rchip)
1873 {
1874         struct snd_riptide *chip;
1875         struct riptideport *hwport;
1876         int err;
1877         static struct snd_device_ops ops = {
1878                 .dev_free = snd_riptide_dev_free,
1879         };
1880
1881         *rchip = NULL;
1882         if ((err = pci_enable_device(pci)) < 0)
1883                 return err;
1884         if (!(chip = kzalloc(sizeof(struct snd_riptide), GFP_KERNEL)))
1885                 return -ENOMEM;
1886
1887         spin_lock_init(&chip->lock);
1888         chip->card = card;
1889         chip->pci = pci;
1890         chip->irq = -1;
1891         chip->openstreams = 0;
1892         chip->port = pci_resource_start(pci, 0);
1893         chip->received_irqs = 0;
1894         chip->handled_irqs = 0;
1895         chip->cif = NULL;
1896         tasklet_init(&chip->riptide_tq, riptide_handleirq, (unsigned long)chip);
1897
1898         if ((chip->res_port =
1899              request_region(chip->port, 64, "RIPTIDE")) == NULL) {
1900                 snd_printk(KERN_ERR
1901                            "Riptide: unable to grab region 0x%lx-0x%lx\n",
1902                            chip->port, chip->port + 64 - 1);
1903                 snd_riptide_free(chip);
1904                 return -EBUSY;
1905         }
1906         hwport = (struct riptideport *)chip->port;
1907         UNSET_AIE(hwport);
1908
1909         if (request_irq(pci->irq, snd_riptide_interrupt, IRQF_SHARED,
1910                         "RIPTIDE", chip)) {
1911                 snd_printk(KERN_ERR "Riptide: unable to grab IRQ %d\n",
1912                            pci->irq);
1913                 snd_riptide_free(chip);
1914                 return -EBUSY;
1915         }
1916         chip->irq = pci->irq;
1917         chip->device_id = pci->device;
1918         pci_set_master(pci);
1919         if ((err = snd_riptide_initialize(chip)) < 0) {
1920                 snd_riptide_free(chip);
1921                 return err;
1922         }
1923
1924         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1925                 snd_riptide_free(chip);
1926                 return err;
1927         }
1928
1929         snd_card_set_dev(card, &pci->dev);
1930
1931         *rchip = chip;
1932         return 0;
1933 }
1934
1935 static void
1936 snd_riptide_proc_read(struct snd_info_entry *entry,
1937                       struct snd_info_buffer *buffer)
1938 {
1939         struct snd_riptide *chip = entry->private_data;
1940         struct pcmhw *data;
1941         int i;
1942         struct cmdif *cif = NULL;
1943         unsigned char p[256];
1944         unsigned short rval = 0, lval = 0;
1945         unsigned int rate;
1946
1947         if (!chip)
1948                 return;
1949
1950         snd_iprintf(buffer, "%s\n\n", chip->card->longname);
1951         snd_iprintf(buffer, "Device ID: 0x%x\nReceived IRQs: (%ld)%ld\nPorts:",
1952                     chip->device_id, chip->handled_irqs, chip->received_irqs);
1953         for (i = 0; i < 64; i += 4)
1954                 snd_iprintf(buffer, "%c%02x: %08x",
1955                             (i % 16) ? ' ' : '\n', i, inl(chip->port + i));
1956         if ((cif = chip->cif)) {
1957                 snd_iprintf(buffer,
1958                             "\nVersion: ASIC: %d CODEC: %d AUXDSP: %d PROG: %d",
1959                             chip->firmware.firmware.ASIC,
1960                             chip->firmware.firmware.CODEC,
1961                             chip->firmware.firmware.AUXDSP,
1962                             chip->firmware.firmware.PROG);
1963                 snd_iprintf(buffer, "\nDigital mixer:");
1964                 for (i = 0; i < 12; i++) {
1965                         getmixer(cif, i, &rval, &lval);
1966                         snd_iprintf(buffer, "\n %d: %d %d", i, rval, lval);
1967                 }
1968                 snd_iprintf(buffer,
1969                             "\nARM Commands num: %d failed: %d time: %d max: %d min: %d",
1970                             cif->cmdcnt, cif->errcnt,
1971                             cif->cmdtime, cif->cmdtimemax, cif->cmdtimemin);
1972         }
1973         snd_iprintf(buffer, "\nOpen streams %d:\n", chip->openstreams);
1974         for (i = 0; i < PLAYBACK_SUBSTREAMS; i++) {
1975                 if (chip->playback_substream[i]
1976                     && chip->playback_substream[i]->runtime
1977                     && (data =
1978                         chip->playback_substream[i]->runtime->private_data)) {
1979                         snd_iprintf(buffer,
1980                                     "stream: %d mixer: %d source: %d (%d,%d)\n",
1981                                     data->id, data->mixer, data->source,
1982                                     data->intdec[0], data->intdec[1]);
1983                         if (!(getsamplerate(cif, data->intdec, &rate)))
1984                                 snd_iprintf(buffer, "rate: %d\n", rate);
1985                 }
1986         }
1987         if (chip->capture_substream
1988             && chip->capture_substream->runtime
1989             && (data = chip->capture_substream->runtime->private_data)) {
1990                 snd_iprintf(buffer,
1991                             "stream: %d mixer: %d source: %d (%d,%d)\n",
1992                             data->id, data->mixer,
1993                             data->source, data->intdec[0], data->intdec[1]);
1994                 if (!(getsamplerate(cif, data->intdec, &rate)))
1995                         snd_iprintf(buffer, "rate: %d\n", rate);
1996         }
1997         snd_iprintf(buffer, "Paths:\n");
1998         i = getpaths(cif, p);
1999         while (i--) {
2000                 snd_iprintf(buffer, "%x->%x ", p[i - 1], p[i]);
2001                 i--;
2002         }
2003         snd_iprintf(buffer, "\n");
2004 }
2005
2006 static void __devinit snd_riptide_proc_init(struct snd_riptide *chip)
2007 {
2008         struct snd_info_entry *entry;
2009
2010         if (!snd_card_proc_new(chip->card, "riptide", &entry))
2011                 snd_info_set_text_ops(entry, chip, snd_riptide_proc_read);
2012 }
2013
2014 static int __devinit snd_riptide_mixer(struct snd_riptide *chip)
2015 {
2016         struct snd_ac97_bus *pbus;
2017         struct snd_ac97_template ac97;
2018         int err = 0;
2019         static struct snd_ac97_bus_ops ops = {
2020                 .write = snd_riptide_codec_write,
2021                 .read = snd_riptide_codec_read,
2022         };
2023
2024         memset(&ac97, 0, sizeof(ac97));
2025         ac97.private_data = chip;
2026         ac97.scaps = AC97_SCAP_SKIP_MODEM;
2027
2028         if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0)
2029                 return err;
2030
2031         chip->ac97_bus = pbus;
2032         ac97.pci = chip->pci;
2033         if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97)) < 0)
2034                 return err;
2035         return err;
2036 }
2037
2038 #ifdef SUPPORT_JOYSTICK
2039 static int have_joystick;
2040 static struct pci_dev *riptide_gameport_pci;
2041 static struct gameport *riptide_gameport;
2042
2043 static int __devinit
2044 snd_riptide_joystick_probe(struct pci_dev *pci, const struct pci_device_id *id)
2045 {
2046         static int dev;
2047
2048         if (dev >= SNDRV_CARDS)
2049                 return -ENODEV;
2050         if (!enable[dev]) {
2051                 dev++;
2052                 return -ENOENT;
2053         }
2054
2055         if (joystick_port[dev]) {
2056                 riptide_gameport = gameport_allocate_port();
2057                 if (riptide_gameport) {
2058                         if (!request_region
2059                             (joystick_port[dev], 8, "Riptide gameport")) {
2060                                 snd_printk(KERN_WARNING
2061                                            "Riptide: cannot grab gameport 0x%x\n",
2062                                            joystick_port[dev]);
2063                                 gameport_free_port(riptide_gameport);
2064                                 riptide_gameport = NULL;
2065                         } else {
2066                                 riptide_gameport_pci = pci;
2067                                 riptide_gameport->io = joystick_port[dev];
2068                                 gameport_register_port(riptide_gameport);
2069                         }
2070                 }
2071         }
2072         dev++;
2073         return 0;
2074 }
2075
2076 static void __devexit snd_riptide_joystick_remove(struct pci_dev *pci)
2077 {
2078         if (riptide_gameport) {
2079                 if (riptide_gameport_pci == pci) {
2080                         release_region(riptide_gameport->io, 8);
2081                         riptide_gameport_pci = NULL;
2082                         gameport_unregister_port(riptide_gameport);
2083                         riptide_gameport = NULL;
2084                 }
2085         }
2086 }
2087 #endif
2088
2089 static int __devinit
2090 snd_card_riptide_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2091 {
2092         static int dev;
2093         struct snd_card *card;
2094         struct snd_riptide *chip;
2095         unsigned short addr;
2096         int err = 0;
2097
2098         if (dev >= SNDRV_CARDS)
2099                 return -ENODEV;
2100         if (!enable[dev]) {
2101                 dev++;
2102                 return -ENOENT;
2103         }
2104
2105         card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2106         if (card == NULL)
2107                 return -ENOMEM;
2108         if ((err = snd_riptide_create(card, pci, &chip)) < 0) {
2109                 snd_card_free(card);
2110                 return err;
2111         }
2112         card->private_data = chip;
2113         if ((err = snd_riptide_pcm(chip, 0, NULL)) < 0) {
2114                 snd_card_free(card);
2115                 return err;
2116         }
2117         if ((err = snd_riptide_mixer(chip)) < 0) {
2118                 snd_card_free(card);
2119                 return err;
2120         }
2121         pci_write_config_word(chip->pci, PCI_EXT_Legacy_Mask, LEGACY_ENABLE_ALL
2122                               | (opl3_port[dev] ? LEGACY_ENABLE_FM : 0)
2123 #ifdef SUPPORT_JOYSTICK
2124                               | (joystick_port[dev] ? LEGACY_ENABLE_GAMEPORT :
2125                                  0)
2126 #endif
2127                               | (mpu_port[dev]
2128                                  ? (LEGACY_ENABLE_MPU_INT | LEGACY_ENABLE_MPU) :
2129                                  0)
2130                               | ((chip->irq << 4) & 0xF0));
2131         if ((addr = mpu_port[dev]) != 0) {
2132                 pci_write_config_word(chip->pci, PCI_EXT_MPU_Base, addr);
2133                 if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_RIPTIDE,
2134                                                addr, 0, chip->irq, 0,
2135                                                &chip->rmidi)) < 0)
2136                         snd_printk(KERN_WARNING
2137                                    "Riptide: Can't Allocate MPU at 0x%x\n",
2138                                    addr);
2139                 else
2140                         chip->mpuaddr = addr;
2141         }
2142         if ((addr = opl3_port[dev]) != 0) {
2143                 pci_write_config_word(chip->pci, PCI_EXT_FM_Base, addr);
2144                 if ((err = snd_opl3_create(card, addr, addr + 2,
2145                                            OPL3_HW_RIPTIDE, 0,
2146                                            &chip->opl3)) < 0)
2147                         snd_printk(KERN_WARNING
2148                                    "Riptide: Can't Allocate OPL3 at 0x%x\n",
2149                                    addr);
2150                 else {
2151                         chip->opladdr = addr;
2152                         if ((err =
2153                              snd_opl3_hwdep_new(chip->opl3, 0, 1, NULL)) < 0)
2154                                 snd_printk(KERN_WARNING
2155                                            "Riptide: Can't Allocate OPL3-HWDEP\n");
2156                 }
2157         }
2158 #ifdef SUPPORT_JOYSTICK
2159         if ((addr = joystick_port[dev]) != 0) {
2160                 pci_write_config_word(chip->pci, PCI_EXT_Game_Base, addr);
2161                 chip->gameaddr = addr;
2162         }
2163 #endif
2164
2165         strcpy(card->driver, "RIPTIDE");
2166         strcpy(card->shortname, "Riptide");
2167 #ifdef SUPPORT_JOYSTICK
2168         snprintf(card->longname, sizeof(card->longname),
2169                  "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x gameport 0x%x",
2170                  card->shortname, chip->port, chip->irq, chip->mpuaddr,
2171                  chip->opladdr, chip->gameaddr);
2172 #else
2173         snprintf(card->longname, sizeof(card->longname),
2174                  "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x",
2175                  card->shortname, chip->port, chip->irq, chip->mpuaddr,
2176                  chip->opladdr);
2177 #endif
2178         snd_riptide_proc_init(chip);
2179         if ((err = snd_card_register(card)) < 0) {
2180                 snd_card_free(card);
2181                 return err;
2182         }
2183         pci_set_drvdata(pci, card);
2184         dev++;
2185         return 0;
2186 }
2187
2188 static void __devexit snd_card_riptide_remove(struct pci_dev *pci)
2189 {
2190         snd_card_free(pci_get_drvdata(pci));
2191         pci_set_drvdata(pci, NULL);
2192 }
2193
2194 static struct pci_driver driver = {
2195         .name = "RIPTIDE",
2196         .id_table = snd_riptide_ids,
2197         .probe = snd_card_riptide_probe,
2198         .remove = __devexit_p(snd_card_riptide_remove),
2199 #ifdef CONFIG_PM
2200         .suspend = riptide_suspend,
2201         .resume = riptide_resume,
2202 #endif
2203 };
2204
2205 #ifdef SUPPORT_JOYSTICK
2206 static struct pci_driver joystick_driver = {
2207         .name = "Riptide Joystick",
2208         .id_table = snd_riptide_joystick_ids,
2209         .probe = snd_riptide_joystick_probe,
2210         .remove = __devexit_p(snd_riptide_joystick_remove),
2211 };
2212 #endif
2213
2214 static int __init alsa_card_riptide_init(void)
2215 {
2216         int err;
2217         if ((err = pci_register_driver(&driver)) < 0)
2218                 return err;
2219 #if defined(SUPPORT_JOYSTICK)
2220         if (pci_register_driver(&joystick_driver) < 0) {
2221                 have_joystick = 0;
2222                 snd_printk(KERN_INFO "no joystick found\n");
2223         } else
2224                 have_joystick = 1;
2225 #endif
2226         return 0;
2227 }
2228
2229 static void __exit alsa_card_riptide_exit(void)
2230 {
2231         pci_unregister_driver(&driver);
2232 #if defined(SUPPORT_JOYSTICK)
2233         if (have_joystick)
2234                 pci_unregister_driver(&joystick_driver);
2235 #endif
2236 }
2237
2238 module_init(alsa_card_riptide_init);
2239 module_exit(alsa_card_riptide_exit);