sound/pci/riptide/riptide.c

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