linux/sound/pci/riptide/riptide.c
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   1/*
   2 *   Driver for the Conexant Riptide Soundchip
   3 *
   4 *      Copyright (c) 2004 Peter Gruber <nokos@gmx.net>
   5 *
   6 *   This program is free software; you can redistribute it and/or modify
   7 *   it under the terms of the GNU General Public License as published by
   8 *   the Free Software Foundation; either version 2 of the License, or
   9 *   (at your option) any later version.
  10 *
  11 *   This program is distributed in the hope that it will be useful,
  12 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 *   GNU General Public License for more details.
  15 *
  16 *   You should have received a copy of the GNU General Public License
  17 *   along with this program; if not, write to the Free Software
  18 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19 *
  20 */
  21/*
  22  History:
  23   - 02/15/2004 first release
  24   
  25  This Driver is based on the OSS Driver version from Linuxant (riptide-0.6lnxtbeta03111100)
  26  credits from the original files:
  27  
  28  MODULE NAME:        cnxt_rt.h                       
  29  AUTHOR:             K. Lazarev  (Transcribed by KNL)
  30  HISTORY:         Major Revision               Date        By
  31            -----------------------------     --------     -----
  32            Created                           02/1/2000     KNL
  33
  34  MODULE NAME:     int_mdl.c                       
  35  AUTHOR:          Konstantin Lazarev    (Transcribed by KNL)
  36  HISTORY:         Major Revision               Date        By
  37            -----------------------------     --------     -----
  38            Created                           10/01/99      KNL
  39            
  40  MODULE NAME:        riptide.h                       
  41  AUTHOR:             O. Druzhinin  (Transcribed by OLD)
  42  HISTORY:         Major Revision               Date        By
  43            -----------------------------     --------     -----
  44            Created                           10/16/97      OLD
  45
  46  MODULE NAME:        Rp_Cmdif.cpp                       
  47  AUTHOR:             O. Druzhinin  (Transcribed by OLD)
  48                      K. Lazarev    (Transcribed by KNL)
  49  HISTORY:         Major Revision               Date        By
  50            -----------------------------     --------     -----
  51            Adopted from NT4 driver            6/22/99      OLD
  52            Ported to Linux                    9/01/99      KNL
  53
  54  MODULE NAME:        rt_hw.c                       
  55  AUTHOR:             O. Druzhinin  (Transcribed by OLD)
  56                      C. Lazarev    (Transcribed by CNL)
  57  HISTORY:         Major Revision               Date        By
  58            -----------------------------     --------     -----
  59            Created                           11/18/97      OLD
  60            Hardware functions for RipTide    11/24/97      CNL
  61            (ES1) are coded
  62            Hardware functions for RipTide    12/24/97      CNL
  63            (A0) are coded
  64            Hardware functions for RipTide    03/20/98      CNL
  65            (A1) are coded
  66            Boot loader is included           05/07/98      CNL
  67            Redesigned for WDM                07/27/98      CNL
  68            Redesigned for Linux              09/01/99      CNL
  69
  70  MODULE NAME:        rt_hw.h
  71  AUTHOR:             C. Lazarev    (Transcribed by CNL)
  72  HISTORY:         Major Revision               Date        By
  73            -----------------------------     --------     -----
  74            Created                           11/18/97      CNL
  75
  76  MODULE NAME:     rt_mdl.c                       
  77  AUTHOR:          Konstantin Lazarev    (Transcribed by KNL)
  78  HISTORY:         Major Revision               Date        By
  79            -----------------------------     --------     -----
  80            Created                           10/01/99      KNL
  81
  82  MODULE NAME:        mixer.h                        
  83  AUTHOR:             K. Kenney
  84  HISTORY:         Major Revision                   Date          By
  85            -----------------------------          --------     -----
  86            Created from MS W95 Sample             11/28/95      KRS
  87            RipTide                                10/15/97      KRS
  88            Adopted for Windows NT driver          01/20/98      CNL
  89*/
  90
  91#include <linux/delay.h>
  92#include <linux/init.h>
  93#include <linux/interrupt.h>
  94#include <linux/pci.h>
  95#include <linux/slab.h>
  96#include <linux/wait.h>
  97#include <linux/gameport.h>
  98#include <linux/device.h>
  99#include <linux/firmware.h>
 100#include <asm/io.h>
 101#include <sound/core.h>
 102#include <sound/info.h>
 103#include <sound/control.h>
 104#include <sound/pcm.h>
 105#include <sound/pcm_params.h>
 106#include <sound/ac97_codec.h>
 107#include <sound/mpu401.h>
 108#include <sound/opl3.h>
 109#include <sound/initval.h>
 110
 111#if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
 112#define SUPPORT_JOYSTICK 1
 113#endif
 114
 115MODULE_AUTHOR("Peter Gruber <nokos@gmx.net>");
 116MODULE_DESCRIPTION("riptide");
 117MODULE_LICENSE("GPL");
 118MODULE_SUPPORTED_DEVICE("{{Conexant,Riptide}}");
 119MODULE_FIRMWARE("riptide.hex");
 120
 121static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
 122static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
 123static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
 124
 125#ifdef SUPPORT_JOYSTICK
 126static int joystick_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x200 };
 127#endif
 128static int mpu_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x330 };
 129static int opl3_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x388 };
 130
 131module_param_array(index, int, NULL, 0444);
 132MODULE_PARM_DESC(index, "Index value for Riptide soundcard.");
 133module_param_array(id, charp, NULL, 0444);
 134MODULE_PARM_DESC(id, "ID string for Riptide soundcard.");
 135module_param_array(enable, bool, NULL, 0444);
 136MODULE_PARM_DESC(enable, "Enable Riptide soundcard.");
 137#ifdef SUPPORT_JOYSTICK
 138module_param_array(joystick_port, int, NULL, 0444);
 139MODULE_PARM_DESC(joystick_port, "Joystick port # for Riptide soundcard.");
 140#endif
 141module_param_array(mpu_port, int, NULL, 0444);
 142MODULE_PARM_DESC(mpu_port, "MPU401 port # for Riptide driver.");
 143module_param_array(opl3_port, int, NULL, 0444);
 144MODULE_PARM_DESC(opl3_port, "OPL3 port # for Riptide driver.");
 145
 146/*
 147 */
 148
 149#define MPU401_HW_RIPTIDE MPU401_HW_MPU401
 150#define OPL3_HW_RIPTIDE   OPL3_HW_OPL3
 151
 152#define PCI_EXT_CapId       0x40
 153#define PCI_EXT_NextCapPrt  0x41
 154#define PCI_EXT_PWMC        0x42
 155#define PCI_EXT_PWSCR       0x44
 156#define PCI_EXT_Data00      0x46
 157#define PCI_EXT_PMSCR_BSE   0x47
 158#define PCI_EXT_SB_Base     0x48
 159#define PCI_EXT_FM_Base     0x4a
 160#define PCI_EXT_MPU_Base    0x4C
 161#define PCI_EXT_Game_Base   0x4E
 162#define PCI_EXT_Legacy_Mask 0x50
 163#define PCI_EXT_AsicRev     0x52
 164#define PCI_EXT_Reserved3   0x53
 165
 166#define LEGACY_ENABLE_ALL      0x8000   /* legacy device options */
 167#define LEGACY_ENABLE_SB       0x4000
 168#define LEGACY_ENABLE_FM       0x2000
 169#define LEGACY_ENABLE_MPU_INT  0x1000
 170#define LEGACY_ENABLE_MPU      0x0800
 171#define LEGACY_ENABLE_GAMEPORT 0x0400
 172
 173#define MAX_WRITE_RETRY  10     /* cmd interface limits */
 174#define MAX_ERROR_COUNT  10
 175#define CMDIF_TIMEOUT    50000
 176#define RESET_TRIES      5
 177
 178#define READ_PORT_ULONG(p)     inl((unsigned long)&(p))
 179#define WRITE_PORT_ULONG(p,x)  outl(x,(unsigned long)&(p))
 180
 181#define READ_AUDIO_CONTROL(p)     READ_PORT_ULONG(p->audio_control)
 182#define WRITE_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,x)
 183#define UMASK_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)|x)
 184#define MASK_AUDIO_CONTROL(p,x)   WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)&x)
 185#define READ_AUDIO_STATUS(p)      READ_PORT_ULONG(p->audio_status)
 186
 187#define SET_GRESET(p)     UMASK_AUDIO_CONTROL(p,0x0001) /* global reset switch */
 188#define UNSET_GRESET(p)   MASK_AUDIO_CONTROL(p,~0x0001)
 189#define SET_AIE(p)        UMASK_AUDIO_CONTROL(p,0x0004) /* interrupt enable */
 190#define UNSET_AIE(p)      MASK_AUDIO_CONTROL(p,~0x0004)
 191#define SET_AIACK(p)      UMASK_AUDIO_CONTROL(p,0x0008) /* interrupt acknowledge */
 192#define UNSET_AIACKT(p)   MASKAUDIO_CONTROL(p,~0x0008)
 193#define SET_ECMDAE(p)     UMASK_AUDIO_CONTROL(p,0x0010)
 194#define UNSET_ECMDAE(p)   MASK_AUDIO_CONTROL(p,~0x0010)
 195#define SET_ECMDBE(p)     UMASK_AUDIO_CONTROL(p,0x0020)
 196#define UNSET_ECMDBE(p)   MASK_AUDIO_CONTROL(p,~0x0020)
 197#define SET_EDATAF(p)     UMASK_AUDIO_CONTROL(p,0x0040)
 198#define UNSET_EDATAF(p)   MASK_AUDIO_CONTROL(p,~0x0040)
 199#define SET_EDATBF(p)     UMASK_AUDIO_CONTROL(p,0x0080)
 200#define UNSET_EDATBF(p)   MASK_AUDIO_CONTROL(p,~0x0080)
 201#define SET_ESBIRQON(p)   UMASK_AUDIO_CONTROL(p,0x0100)
 202#define UNSET_ESBIRQON(p) MASK_AUDIO_CONTROL(p,~0x0100)
 203#define SET_EMPUIRQ(p)    UMASK_AUDIO_CONTROL(p,0x0200)
 204#define UNSET_EMPUIRQ(p)  MASK_AUDIO_CONTROL(p,~0x0200)
 205#define IS_CMDE(a)        (READ_PORT_ULONG(a->stat)&0x1)        /* cmd empty */
 206#define IS_DATF(a)        (READ_PORT_ULONG(a->stat)&0x2)        /* data filled */
 207#define IS_READY(p)       (READ_AUDIO_STATUS(p)&0x0001)
 208#define IS_DLREADY(p)     (READ_AUDIO_STATUS(p)&0x0002)
 209#define IS_DLERR(p)       (READ_AUDIO_STATUS(p)&0x0004)
 210#define IS_GERR(p)        (READ_AUDIO_STATUS(p)&0x0008) /* error ! */
 211#define IS_CMDAEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0010)
 212#define IS_CMDBEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0020)
 213#define IS_DATAFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0040)
 214#define IS_DATBFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0080)
 215#define IS_EOBIRQ(p)      (READ_AUDIO_STATUS(p)&0x0100) /* interrupt status */
 216#define IS_EOSIRQ(p)      (READ_AUDIO_STATUS(p)&0x0200)
 217#define IS_EOCIRQ(p)      (READ_AUDIO_STATUS(p)&0x0400)
 218#define IS_UNSLIRQ(p)     (READ_AUDIO_STATUS(p)&0x0800)
 219#define IS_SBIRQ(p)       (READ_AUDIO_STATUS(p)&0x1000)
 220#define IS_MPUIRQ(p)      (READ_AUDIO_STATUS(p)&0x2000)
 221
 222#define RESP 0x00000001         /* command flags */
 223#define PARM 0x00000002
 224#define CMDA 0x00000004
 225#define CMDB 0x00000008
 226#define NILL 0x00000000
 227
 228#define LONG0(a)   ((u32)a)     /* shifts and masks */
 229#define BYTE0(a)   (LONG0(a)&0xff)
 230#define BYTE1(a)   (BYTE0(a)<<8)
 231#define BYTE2(a)   (BYTE0(a)<<16)
 232#define BYTE3(a)   (BYTE0(a)<<24)
 233#define WORD0(a)   (LONG0(a)&0xffff)
 234#define WORD1(a)   (WORD0(a)<<8)
 235#define WORD2(a)   (WORD0(a)<<16)
 236#define TRINIB0(a) (LONG0(a)&0xffffff)
 237#define TRINIB1(a) (TRINIB0(a)<<8)
 238
 239#define RET(a)     ((union cmdret *)(a))
 240
 241#define SEND_GETV(p,b)             sendcmd(p,RESP,GETV,0,RET(b))        /* get version */
 242#define SEND_GETC(p,b,c)           sendcmd(p,PARM|RESP,GETC,c,RET(b))
 243#define SEND_GUNS(p,b)             sendcmd(p,RESP,GUNS,0,RET(b))
 244#define SEND_SCID(p,b)             sendcmd(p,RESP,SCID,0,RET(b))
 245#define SEND_RMEM(p,b,c,d)         sendcmd(p,PARM|RESP,RMEM|BYTE1(b),LONG0(c),RET(d))   /* memory access for firmware write */
 246#define SEND_SMEM(p,b,c)           sendcmd(p,PARM,SMEM|BYTE1(b),LONG0(c),RET(0))        /* memory access for firmware write */
 247#define SEND_WMEM(p,b,c)           sendcmd(p,PARM,WMEM|BYTE1(b),LONG0(c),RET(0))        /* memory access for firmware write */
 248#define SEND_SDTM(p,b,c)           sendcmd(p,PARM|RESP,SDTM|TRINIB1(b),0,RET(c))        /* memory access for firmware write */
 249#define SEND_GOTO(p,b)             sendcmd(p,PARM,GOTO,LONG0(b),RET(0)) /* memory access for firmware write */
 250#define SEND_SETDPLL(p)            sendcmd(p,0,ARM_SETDPLL,0,RET(0))
 251#define SEND_SSTR(p,b,c)           sendcmd(p,PARM,SSTR|BYTE3(b),LONG0(c),RET(0))        /* start stream */
 252#define SEND_PSTR(p,b)             sendcmd(p,PARM,PSTR,BYTE3(b),RET(0)) /* pause stream */
 253#define SEND_KSTR(p,b)             sendcmd(p,PARM,KSTR,BYTE3(b),RET(0)) /* stop stream */
 254#define SEND_KDMA(p)               sendcmd(p,0,KDMA,0,RET(0))   /* stop all dma */
 255#define SEND_GPOS(p,b,c,d)         sendcmd(p,PARM|RESP,GPOS,BYTE3(c)|BYTE2(b),RET(d))   /* get position in dma */
 256#define SEND_SETF(p,b,c,d,e,f,g)   sendcmd(p,PARM,SETF|WORD1(b)|BYTE3(c),d|BYTE1(e)|BYTE2(f)|BYTE3(g),RET(0))   /* set sample format at mixer */
 257#define SEND_GSTS(p,b,c,d)         sendcmd(p,PARM|RESP,GSTS,BYTE3(c)|BYTE2(b),RET(d))
 258#define SEND_NGPOS(p,b,c,d)        sendcmd(p,PARM|RESP,NGPOS,BYTE3(c)|BYTE2(b),RET(d))
 259#define SEND_PSEL(p,b,c)           sendcmd(p,PARM,PSEL,BYTE2(b)|BYTE3(c),RET(0))        /* activate lbus path */
 260#define SEND_PCLR(p,b,c)           sendcmd(p,PARM,PCLR,BYTE2(b)|BYTE3(c),RET(0))        /* deactivate lbus path */
 261#define SEND_PLST(p,b)             sendcmd(p,PARM,PLST,BYTE3(b),RET(0))
 262#define SEND_RSSV(p,b,c,d)         sendcmd(p,PARM|RESP,RSSV,BYTE2(b)|BYTE3(c),RET(d))
 263#define SEND_LSEL(p,b,c,d,e,f,g,h) sendcmd(p,PARM,LSEL|BYTE1(b)|BYTE2(c)|BYTE3(d),BYTE0(e)|BYTE1(f)|BYTE2(g)|BYTE3(h),RET(0))   /* select paths for internal connections */
 264#define SEND_SSRC(p,b,c,d,e)       sendcmd(p,PARM,SSRC|BYTE1(b)|WORD2(c),WORD0(d)|WORD2(e),RET(0))      /* configure source */
 265#define SEND_SLST(p,b)             sendcmd(p,PARM,SLST,BYTE3(b),RET(0))
 266#define SEND_RSRC(p,b,c)           sendcmd(p,RESP,RSRC|BYTE1(b),0,RET(c))       /* read source config */
 267#define SEND_SSRB(p,b,c)           sendcmd(p,PARM,SSRB|BYTE1(b),WORD2(c),RET(0))
 268#define SEND_SDGV(p,b,c,d,e)       sendcmd(p,PARM,SDGV|BYTE2(b)|BYTE3(c),WORD0(d)|WORD2(e),RET(0))      /* set digital mixer */
 269#define SEND_RDGV(p,b,c,d)         sendcmd(p,PARM|RESP,RDGV|BYTE2(b)|BYTE3(c),0,RET(d)) /* read digital mixer */
 270#define SEND_DLST(p,b)             sendcmd(p,PARM,DLST,BYTE3(b),RET(0))
 271#define SEND_SACR(p,b,c)           sendcmd(p,PARM,SACR,WORD0(b)|WORD2(c),RET(0))        /* set AC97 register */
 272#define SEND_RACR(p,b,c)           sendcmd(p,PARM|RESP,RACR,WORD2(b),RET(c))    /* get AC97 register */
 273#define SEND_ALST(p,b)             sendcmd(p,PARM,ALST,BYTE3(b),RET(0))
 274#define SEND_TXAC(p,b,c,d,e,f)     sendcmd(p,PARM,TXAC|BYTE1(b)|WORD2(c),WORD0(d)|BYTE2(e)|BYTE3(f),RET(0))
 275#define SEND_RXAC(p,b,c,d)         sendcmd(p,PARM|RESP,RXAC,BYTE2(b)|BYTE3(c),RET(d))
 276#define SEND_SI2S(p,b)             sendcmd(p,PARM,SI2S,WORD2(b),RET(0))
 277
 278#define EOB_STATUS         0x80000000   /* status flags : block boundary */
 279#define EOS_STATUS         0x40000000   /*              : stoppped */
 280#define EOC_STATUS         0x20000000   /*              : stream end */
 281#define ERR_STATUS         0x10000000
 282#define EMPTY_STATUS       0x08000000
 283
 284#define IEOB_ENABLE        0x1  /* enable interrupts for status notification above */
 285#define IEOS_ENABLE        0x2
 286#define IEOC_ENABLE        0x4
 287#define RDONCE             0x8
 288#define DESC_MAX_MASK      0xff
 289
 290#define ST_PLAY  0x1            /* stream states */
 291#define ST_STOP  0x2
 292#define ST_PAUSE 0x4
 293
 294#define I2S_INTDEC     3        /* config for I2S link */
 295#define I2S_MERGER     0
 296#define I2S_SPLITTER   0
 297#define I2S_MIXER      7
 298#define I2S_RATE       44100
 299
 300#define MODEM_INTDEC   4        /* config for modem link */
 301#define MODEM_MERGER   3
 302#define MODEM_SPLITTER 0
 303#define MODEM_MIXER    11
 304
 305#define FM_INTDEC      3        /* config for FM/OPL3 link */
 306#define FM_MERGER      0
 307#define FM_SPLITTER    0
 308#define FM_MIXER       9
 309
 310#define SPLIT_PATH  0x80        /* path splitting flag */
 311
 312enum FIRMWARE {
 313        DATA_REC = 0, EXT_END_OF_FILE, EXT_SEG_ADDR_REC, EXT_GOTO_CMD_REC,
 314        EXT_LIN_ADDR_REC,
 315};
 316
 317enum CMDS {
 318        GETV = 0x00, GETC, GUNS, SCID, RMEM =
 319            0x10, SMEM, WMEM, SDTM, GOTO, SSTR =
 320            0x20, PSTR, KSTR, KDMA, GPOS, SETF, GSTS, NGPOS, PSEL =
 321            0x30, PCLR, PLST, RSSV, LSEL, SSRC = 0x40, SLST, RSRC, SSRB, SDGV =
 322            0x50, RDGV, DLST, SACR = 0x60, RACR, ALST, TXAC, RXAC, SI2S =
 323            0x70, ARM_SETDPLL = 0x72,
 324};
 325
 326enum E1SOURCE {
 327        ARM2LBUS_FIFO0 = 0, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2, ARM2LBUS_FIFO3,
 328        ARM2LBUS_FIFO4, ARM2LBUS_FIFO5, ARM2LBUS_FIFO6, ARM2LBUS_FIFO7,
 329        ARM2LBUS_FIFO8, ARM2LBUS_FIFO9, ARM2LBUS_FIFO10, ARM2LBUS_FIFO11,
 330        ARM2LBUS_FIFO12, ARM2LBUS_FIFO13, ARM2LBUS_FIFO14, ARM2LBUS_FIFO15,
 331        INTER0_OUT, INTER1_OUT, INTER2_OUT, INTER3_OUT, INTER4_OUT,
 332        INTERM0_OUT, INTERM1_OUT, INTERM2_OUT, INTERM3_OUT, INTERM4_OUT,
 333        INTERM5_OUT, INTERM6_OUT, DECIMM0_OUT, DECIMM1_OUT, DECIMM2_OUT,
 334        DECIMM3_OUT, DECIM0_OUT, SR3_4_OUT, OPL3_SAMPLE, ASRC0, ASRC1,
 335        ACLNK2PADC, ACLNK2MODEM0RX, ACLNK2MIC, ACLNK2MODEM1RX, ACLNK2HNDMIC,
 336        DIGITAL_MIXER_OUT0, GAINFUNC0_OUT, GAINFUNC1_OUT, GAINFUNC2_OUT,
 337        GAINFUNC3_OUT, GAINFUNC4_OUT, SOFTMODEMTX, SPLITTER0_OUTL,
 338        SPLITTER0_OUTR, SPLITTER1_OUTL, SPLITTER1_OUTR, SPLITTER2_OUTL,
 339        SPLITTER2_OUTR, SPLITTER3_OUTL, SPLITTER3_OUTR, MERGER0_OUT,
 340        MERGER1_OUT, MERGER2_OUT, MERGER3_OUT, ARM2LBUS_FIFO_DIRECT, NO_OUT
 341};
 342
 343enum E2SINK {
 344        LBUS2ARM_FIFO0 = 0, LBUS2ARM_FIFO1, LBUS2ARM_FIFO2, LBUS2ARM_FIFO3,
 345        LBUS2ARM_FIFO4, LBUS2ARM_FIFO5, LBUS2ARM_FIFO6, LBUS2ARM_FIFO7,
 346        INTER0_IN, INTER1_IN, INTER2_IN, INTER3_IN, INTER4_IN, INTERM0_IN,
 347        INTERM1_IN, INTERM2_IN, INTERM3_IN, INTERM4_IN, INTERM5_IN, INTERM6_IN,
 348        DECIMM0_IN, DECIMM1_IN, DECIMM2_IN, DECIMM3_IN, DECIM0_IN, SR3_4_IN,
 349        PDAC2ACLNK, MODEM0TX2ACLNK, MODEM1TX2ACLNK, HNDSPK2ACLNK,
 350        DIGITAL_MIXER_IN0, DIGITAL_MIXER_IN1, DIGITAL_MIXER_IN2,
 351        DIGITAL_MIXER_IN3, DIGITAL_MIXER_IN4, DIGITAL_MIXER_IN5,
 352        DIGITAL_MIXER_IN6, DIGITAL_MIXER_IN7, DIGITAL_MIXER_IN8,
 353        DIGITAL_MIXER_IN9, DIGITAL_MIXER_IN10, DIGITAL_MIXER_IN11,
 354        GAINFUNC0_IN, GAINFUNC1_IN, GAINFUNC2_IN, GAINFUNC3_IN, GAINFUNC4_IN,
 355        SOFTMODEMRX, SPLITTER0_IN, SPLITTER1_IN, SPLITTER2_IN, SPLITTER3_IN,
 356        MERGER0_INL, MERGER0_INR, MERGER1_INL, MERGER1_INR, MERGER2_INL,
 357        MERGER2_INR, MERGER3_INL, MERGER3_INR, E2SINK_MAX
 358};
 359
 360enum LBUS_SINK {
 361        LS_SRC_INTERPOLATOR = 0, LS_SRC_INTERPOLATORM, LS_SRC_DECIMATOR,
 362        LS_SRC_DECIMATORM, LS_MIXER_IN, LS_MIXER_GAIN_FUNCTION,
 363        LS_SRC_SPLITTER, LS_SRC_MERGER, LS_NONE1, LS_NONE2,
 364};
 365
 366enum RT_CHANNEL_IDS {
 367        M0TX = 0, M1TX, TAMTX, HSSPKR, PDAC, DSNDTX0, DSNDTX1, DSNDTX2,
 368        DSNDTX3, DSNDTX4, DSNDTX5, DSNDTX6, DSNDTX7, WVSTRTX, COP3DTX, SPARE,
 369        M0RX, HSMIC, M1RX, CLEANRX, MICADC, PADC, COPRX1, COPRX2,
 370        CHANNEL_ID_COUNTER
 371};
 372
 373enum { SB_CMD = 0, MODEM_CMD, I2S_CMD0, I2S_CMD1, FM_CMD, MAX_CMD };
 374
 375struct lbuspath {
 376        unsigned char *noconv;
 377        unsigned char *stereo;
 378        unsigned char *mono;
 379};
 380
 381struct cmdport {
 382        u32 data1;              /* cmd,param */
 383        u32 data2;              /* param */
 384        u32 stat;               /* status */
 385        u32 pad[5];
 386};
 387
 388struct riptideport {
 389        u32 audio_control;      /* status registers */
 390        u32 audio_status;
 391        u32 pad[2];
 392        struct cmdport port[2]; /* command ports */
 393};
 394
 395struct cmdif {
 396        struct riptideport *hwport;
 397        spinlock_t lock;
 398        unsigned int cmdcnt;    /* cmd statistics */
 399        unsigned int cmdtime;
 400        unsigned int cmdtimemax;
 401        unsigned int cmdtimemin;
 402        unsigned int errcnt;
 403        int is_reset;
 404};
 405
 406struct riptide_firmware {
 407        u16 ASIC;
 408        u16 CODEC;
 409        u16 AUXDSP;
 410        u16 PROG;
 411};
 412
 413union cmdret {
 414        u8 retbytes[8];
 415        u16 retwords[4];
 416        u32 retlongs[2];
 417};
 418
 419union firmware_version {
 420        union cmdret ret;
 421        struct riptide_firmware firmware;
 422};
 423
 424#define get_pcmhwdev(substream) (struct pcmhw *)(substream->runtime->private_data)
 425
 426#define PLAYBACK_SUBSTREAMS 3
 427struct snd_riptide {
 428        struct snd_card *card;
 429        struct pci_dev *pci;
 430        const struct firmware *fw_entry;
 431
 432        struct cmdif *cif;
 433
 434        struct snd_pcm *pcm;
 435        struct snd_pcm *pcm_i2s;
 436        struct snd_rawmidi *rmidi;
 437        struct snd_opl3 *opl3;
 438        struct snd_ac97 *ac97;
 439        struct snd_ac97_bus *ac97_bus;
 440
 441        struct snd_pcm_substream *playback_substream[PLAYBACK_SUBSTREAMS];
 442        struct snd_pcm_substream *capture_substream;
 443
 444        int openstreams;
 445
 446        int irq;
 447        unsigned long port;
 448        unsigned short mpuaddr;
 449        unsigned short opladdr;
 450#ifdef SUPPORT_JOYSTICK
 451        unsigned short gameaddr;
 452#endif
 453        struct resource *res_port;
 454
 455        unsigned short device_id;
 456
 457        union firmware_version firmware;
 458
 459        spinlock_t lock;
 460        struct tasklet_struct riptide_tq;
 461        struct snd_info_entry *proc_entry;
 462
 463        unsigned long received_irqs;
 464        unsigned long handled_irqs;
 465#ifdef CONFIG_PM
 466        int in_suspend;
 467#endif
 468};
 469
 470struct sgd {                    /* scatter gather desriptor */
 471        u32 dwNextLink;
 472        u32 dwSegPtrPhys;
 473        u32 dwSegLen;
 474        u32 dwStat_Ctl;
 475};
 476
 477struct pcmhw {                  /* pcm descriptor */
 478        struct lbuspath paths;
 479        unsigned char *lbuspath;
 480        unsigned char source;
 481        unsigned char intdec[2];
 482        unsigned char mixer;
 483        unsigned char id;
 484        unsigned char state;
 485        unsigned int rate;
 486        unsigned int channels;
 487        snd_pcm_format_t format;
 488        struct snd_dma_buffer sgdlist;
 489        struct sgd *sgdbuf;
 490        unsigned int size;
 491        unsigned int pages;
 492        unsigned int oldpos;
 493        unsigned int pointer;
 494};
 495
 496#define CMDRET_ZERO (union cmdret){{(u32)0, (u32) 0}}
 497
 498static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
 499                   union cmdret *ret);
 500static int getsourcesink(struct cmdif *cif, unsigned char source,
 501                         unsigned char sink, unsigned char *a,
 502                         unsigned char *b);
 503static int snd_riptide_initialize(struct snd_riptide *chip);
 504static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip);
 505
 506/*
 507 */
 508
 509static struct pci_device_id snd_riptide_ids[] = {
 510        {
 511         .vendor = 0x127a,.device = 0x4310,
 512         .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
 513         },
 514        {
 515         .vendor = 0x127a,.device = 0x4320,
 516         .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
 517         },
 518        {
 519         .vendor = 0x127a,.device = 0x4330,
 520         .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
 521         },
 522        {
 523         .vendor = 0x127a,.device = 0x4340,
 524         .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
 525         },
 526        {0,},
 527};
 528
 529#ifdef SUPPORT_JOYSTICK
 530static struct pci_device_id snd_riptide_joystick_ids[] __devinitdata = {
 531        {
 532         .vendor = 0x127a,.device = 0x4312,
 533         .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
 534         },
 535        {
 536         .vendor = 0x127a,.device = 0x4322,
 537         .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
 538         },
 539        {.vendor = 0x127a,.device = 0x4332,
 540         .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
 541         },
 542        {.vendor = 0x127a,.device = 0x4342,
 543         .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
 544         },
 545        {0,},
 546};
 547#endif
 548
 549MODULE_DEVICE_TABLE(pci, snd_riptide_ids);
 550
 551/*
 552 */
 553
 554static unsigned char lbusin2out[E2SINK_MAX + 1][2] = {
 555        {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
 556                                                                     LS_NONE2},
 557        {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
 558                                                                     LS_NONE2},
 559        {INTER0_OUT, LS_SRC_INTERPOLATOR}, {INTER1_OUT, LS_SRC_INTERPOLATOR},
 560        {INTER2_OUT, LS_SRC_INTERPOLATOR}, {INTER3_OUT, LS_SRC_INTERPOLATOR},
 561        {INTER4_OUT, LS_SRC_INTERPOLATOR}, {INTERM0_OUT, LS_SRC_INTERPOLATORM},
 562        {INTERM1_OUT, LS_SRC_INTERPOLATORM}, {INTERM2_OUT,
 563                                              LS_SRC_INTERPOLATORM},
 564        {INTERM3_OUT, LS_SRC_INTERPOLATORM}, {INTERM4_OUT,
 565                                              LS_SRC_INTERPOLATORM},
 566        {INTERM5_OUT, LS_SRC_INTERPOLATORM}, {INTERM6_OUT,
 567                                              LS_SRC_INTERPOLATORM},
 568        {DECIMM0_OUT, LS_SRC_DECIMATORM}, {DECIMM1_OUT, LS_SRC_DECIMATORM},
 569        {DECIMM2_OUT, LS_SRC_DECIMATORM}, {DECIMM3_OUT, LS_SRC_DECIMATORM},
 570        {DECIM0_OUT, LS_SRC_DECIMATOR}, {SR3_4_OUT, LS_NONE1}, {NO_OUT,
 571                                                                LS_NONE2},
 572        {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1},
 573        {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 574        {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 575        {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 576        {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 577        {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 578        {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 579        {GAINFUNC0_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC1_OUT,
 580                                                  LS_MIXER_GAIN_FUNCTION},
 581        {GAINFUNC2_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC3_OUT,
 582                                                  LS_MIXER_GAIN_FUNCTION},
 583        {GAINFUNC4_OUT, LS_MIXER_GAIN_FUNCTION}, {SOFTMODEMTX, LS_NONE1},
 584        {SPLITTER0_OUTL, LS_SRC_SPLITTER}, {SPLITTER1_OUTL, LS_SRC_SPLITTER},
 585        {SPLITTER2_OUTL, LS_SRC_SPLITTER}, {SPLITTER3_OUTL, LS_SRC_SPLITTER},
 586        {MERGER0_OUT, LS_SRC_MERGER}, {MERGER0_OUT, LS_SRC_MERGER},
 587        {MERGER1_OUT, LS_SRC_MERGER},
 588        {MERGER1_OUT, LS_SRC_MERGER}, {MERGER2_OUT, LS_SRC_MERGER},
 589        {MERGER2_OUT, LS_SRC_MERGER},
 590        {MERGER3_OUT, LS_SRC_MERGER}, {MERGER3_OUT, LS_SRC_MERGER}, {NO_OUT,
 591                                                                     LS_NONE2},
 592};
 593
 594static unsigned char lbus_play_opl3[] = {
 595        DIGITAL_MIXER_IN0 + FM_MIXER, 0xff
 596};
 597static unsigned char lbus_play_modem[] = {
 598        DIGITAL_MIXER_IN0 + MODEM_MIXER, 0xff
 599};
 600static unsigned char lbus_play_i2s[] = {
 601        INTER0_IN + I2S_INTDEC, DIGITAL_MIXER_IN0 + I2S_MIXER, 0xff
 602};
 603static unsigned char lbus_play_out[] = {
 604        PDAC2ACLNK, 0xff
 605};
 606static unsigned char lbus_play_outhp[] = {
 607        HNDSPK2ACLNK, 0xff
 608};
 609static unsigned char lbus_play_noconv1[] = {
 610        DIGITAL_MIXER_IN0, 0xff
 611};
 612static unsigned char lbus_play_stereo1[] = {
 613        INTER0_IN, DIGITAL_MIXER_IN0, 0xff
 614};
 615static unsigned char lbus_play_mono1[] = {
 616        INTERM0_IN, DIGITAL_MIXER_IN0, 0xff
 617};
 618static unsigned char lbus_play_noconv2[] = {
 619        DIGITAL_MIXER_IN1, 0xff
 620};
 621static unsigned char lbus_play_stereo2[] = {
 622        INTER1_IN, DIGITAL_MIXER_IN1, 0xff
 623};
 624static unsigned char lbus_play_mono2[] = {
 625        INTERM1_IN, DIGITAL_MIXER_IN1, 0xff
 626};
 627static unsigned char lbus_play_noconv3[] = {
 628        DIGITAL_MIXER_IN2, 0xff
 629};
 630static unsigned char lbus_play_stereo3[] = {
 631        INTER2_IN, DIGITAL_MIXER_IN2, 0xff
 632};
 633static unsigned char lbus_play_mono3[] = {
 634        INTERM2_IN, DIGITAL_MIXER_IN2, 0xff
 635};
 636static unsigned char lbus_rec_noconv1[] = {
 637        LBUS2ARM_FIFO5, 0xff
 638};
 639static unsigned char lbus_rec_stereo1[] = {
 640        DECIM0_IN, LBUS2ARM_FIFO5, 0xff
 641};
 642static unsigned char lbus_rec_mono1[] = {
 643        DECIMM3_IN, LBUS2ARM_FIFO5, 0xff
 644};
 645
 646static unsigned char play_ids[] = { 4, 1, 2, };
 647static unsigned char play_sources[] = {
 648        ARM2LBUS_FIFO4, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2,
 649};
 650static struct lbuspath lbus_play_paths[] = {
 651        {
 652         .noconv = lbus_play_noconv1,
 653         .stereo = lbus_play_stereo1,
 654         .mono = lbus_play_mono1,
 655         },
 656        {
 657         .noconv = lbus_play_noconv2,
 658         .stereo = lbus_play_stereo2,
 659         .mono = lbus_play_mono2,
 660         },
 661        {
 662         .noconv = lbus_play_noconv3,
 663         .stereo = lbus_play_stereo3,
 664         .mono = lbus_play_mono3,
 665         },
 666};
 667static struct lbuspath lbus_rec_path = {
 668        .noconv = lbus_rec_noconv1,
 669        .stereo = lbus_rec_stereo1,
 670        .mono = lbus_rec_mono1,
 671};
 672
 673#define FIRMWARE_VERSIONS 1
 674static union firmware_version firmware_versions[] = {
 675        {
 676                .firmware = {
 677                        .ASIC = 3,
 678                        .CODEC = 2,
 679                        .AUXDSP = 3,
 680                        .PROG = 773,
 681                },
 682        },
 683};
 684
 685static u32 atoh(const unsigned char *in, unsigned int len)
 686{
 687        u32 sum = 0;
 688        unsigned int mult = 1;
 689        unsigned char c;
 690
 691        while (len) {
 692                c = in[len - 1];
 693                if ((c >= '0') && (c <= '9'))
 694                        sum += mult * (c - '0');
 695                else if ((c >= 'A') && (c <= 'F'))
 696                        sum += mult * (c - ('A' - 10));
 697                else if ((c >= 'a') && (c <= 'f'))
 698                        sum += mult * (c - ('a' - 10));
 699                mult *= 16;
 700                --len;
 701        }
 702        return sum;
 703}
 704
 705static int senddata(struct cmdif *cif, const unsigned char *in, u32 offset)
 706{
 707        u32 addr;
 708        u32 data;
 709        u32 i;
 710        const unsigned char *p;
 711
 712        i = atoh(&in[1], 2);
 713        addr = offset + atoh(&in[3], 4);
 714        if (SEND_SMEM(cif, 0, addr) != 0)
 715                return -EACCES;
 716        p = in + 9;
 717        while (i) {
 718                data = atoh(p, 8);
 719                if (SEND_WMEM(cif, 2,
 720                              ((data & 0x0f0f0f0f) << 4) | ((data & 0xf0f0f0f0)
 721                                                            >> 4)))
 722                        return -EACCES;
 723                i -= 4;
 724                p += 8;
 725        }
 726        return 0;
 727}
 728
 729static int loadfirmware(struct cmdif *cif, const unsigned char *img,
 730                        unsigned int size)
 731{
 732        const unsigned char *in;
 733        u32 laddr, saddr, t, val;
 734        int err = 0;
 735
 736        laddr = saddr = 0;
 737        while (size > 0 && err == 0) {
 738                in = img;
 739                if (in[0] == ':') {
 740                        t = atoh(&in[7], 2);
 741                        switch (t) {
 742                        case DATA_REC:
 743                                err = senddata(cif, in, laddr + saddr);
 744                                break;
 745                        case EXT_SEG_ADDR_REC:
 746                                saddr = atoh(&in[9], 4) << 4;
 747                                break;
 748                        case EXT_LIN_ADDR_REC:
 749                                laddr = atoh(&in[9], 4) << 16;
 750                                break;
 751                        case EXT_GOTO_CMD_REC:
 752                                val = atoh(&in[9], 8);
 753                                if (SEND_GOTO(cif, val) != 0)
 754                                        err = -EACCES;
 755                                break;
 756                        case EXT_END_OF_FILE:
 757                                size = 0;
 758                                break;
 759                        default:
 760                                break;
 761                        }
 762                        while (size > 0) {
 763                                size--;
 764                                if (*img++ == '\n')
 765                                        break;
 766                        }
 767                }
 768        }
 769        snd_printdd("load firmware return %d\n", err);
 770        return err;
 771}
 772
 773static void
 774alloclbuspath(struct cmdif *cif, unsigned char source,
 775              unsigned char *path, unsigned char *mixer, unsigned char *s)
 776{
 777        while (*path != 0xff) {
 778                unsigned char sink, type;
 779
 780                sink = *path & (~SPLIT_PATH);
 781                if (sink != E2SINK_MAX) {
 782                        snd_printdd("alloc path 0x%x->0x%x\n", source, sink);
 783                        SEND_PSEL(cif, source, sink);
 784                        source = lbusin2out[sink][0];
 785                        type = lbusin2out[sink][1];
 786                        if (type == LS_MIXER_IN) {
 787                                if (mixer)
 788                                        *mixer = sink - DIGITAL_MIXER_IN0;
 789                        }
 790                        if (type == LS_SRC_DECIMATORM ||
 791                            type == LS_SRC_DECIMATOR ||
 792                            type == LS_SRC_INTERPOLATORM ||
 793                            type == LS_SRC_INTERPOLATOR) {
 794                                if (s) {
 795                                        if (s[0] != 0xff)
 796                                                s[1] = sink;
 797                                        else
 798                                                s[0] = sink;
 799                                }
 800                        }
 801                }
 802                if (*path++ & SPLIT_PATH) {
 803                        unsigned char *npath = path;
 804
 805                        while (*npath != 0xff)
 806                                npath++;
 807                        alloclbuspath(cif, source + 1, ++npath, mixer, s);
 808                }
 809        }
 810}
 811
 812static void
 813freelbuspath(struct cmdif *cif, unsigned char source, unsigned char *path)
 814{
 815        while (*path != 0xff) {
 816                unsigned char sink;
 817
 818                sink = *path & (~SPLIT_PATH);
 819                if (sink != E2SINK_MAX) {
 820                        snd_printdd("free path 0x%x->0x%x\n", source, sink);
 821                        SEND_PCLR(cif, source, sink);
 822                        source = lbusin2out[sink][0];
 823                }
 824                if (*path++ & SPLIT_PATH) {
 825                        unsigned char *npath = path;
 826
 827                        while (*npath != 0xff)
 828                                npath++;
 829                        freelbuspath(cif, source + 1, ++npath);
 830                }
 831        }
 832}
 833
 834static int writearm(struct cmdif *cif, u32 addr, u32 data, u32 mask)
 835{
 836        union cmdret rptr = CMDRET_ZERO;
 837        unsigned int i = MAX_WRITE_RETRY;
 838        int flag = 1;
 839
 840        SEND_RMEM(cif, 0x02, addr, &rptr);
 841        rptr.retlongs[0] &= (~mask);
 842
 843        while (--i) {
 844                SEND_SMEM(cif, 0x01, addr);
 845                SEND_WMEM(cif, 0x02, (rptr.retlongs[0] | data));
 846                SEND_RMEM(cif, 0x02, addr, &rptr);
 847                if ((rptr.retlongs[0] & data) == data) {
 848                        flag = 0;
 849                        break;
 850                } else
 851                        rptr.retlongs[0] &= ~mask;
 852        }
 853        snd_printdd("send arm 0x%x 0x%x 0x%x return %d\n", addr, data, mask,
 854                    flag);
 855        return flag;
 856}
 857
 858static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
 859                   union cmdret *ret)
 860{
 861        int i, j;
 862        int err;
 863        unsigned int time = 0;
 864        unsigned long irqflags;
 865        struct riptideport *hwport;
 866        struct cmdport *cmdport = NULL;
 867
 868        if (snd_BUG_ON(!cif))
 869                return -EINVAL;
 870
 871        hwport = cif->hwport;
 872        if (cif->errcnt > MAX_ERROR_COUNT) {
 873                if (cif->is_reset) {
 874                        snd_printk(KERN_ERR
 875                                   "Riptide: Too many failed cmds, reinitializing\n");
 876                        if (riptide_reset(cif, NULL) == 0) {
 877                                cif->errcnt = 0;
 878                                return -EIO;
 879                        }
 880                }
 881                snd_printk(KERN_ERR "Riptide: Initialization failed.\n");
 882                return -EINVAL;
 883        }
 884        if (ret) {
 885                ret->retlongs[0] = 0;
 886                ret->retlongs[1] = 0;
 887        }
 888        i = 0;
 889        spin_lock_irqsave(&cif->lock, irqflags);
 890        while (i++ < CMDIF_TIMEOUT && !IS_READY(cif->hwport))
 891                udelay(10);
 892        if (i > CMDIF_TIMEOUT) {
 893                err = -EBUSY;
 894                goto errout;
 895        }
 896
 897        err = 0;
 898        for (j = 0, time = 0; time < CMDIF_TIMEOUT; j++, time += 2) {
 899                cmdport = &(hwport->port[j % 2]);
 900                if (IS_DATF(cmdport)) { /* free pending data */
 901                        READ_PORT_ULONG(cmdport->data1);
 902                        READ_PORT_ULONG(cmdport->data2);
 903                }
 904                if (IS_CMDE(cmdport)) {
 905                        if (flags & PARM)       /* put data */
 906                                WRITE_PORT_ULONG(cmdport->data2, parm);
 907                        WRITE_PORT_ULONG(cmdport->data1, cmd);  /* write cmd */
 908                        if ((flags & RESP) && ret) {
 909                                while (!IS_DATF(cmdport) &&
 910                                       time < CMDIF_TIMEOUT) {
 911                                        udelay(10);
 912                                        time++;
 913                                }
 914                                if (time < CMDIF_TIMEOUT) {     /* read response */
 915                                        ret->retlongs[0] =
 916                                            READ_PORT_ULONG(cmdport->data1);
 917                                        ret->retlongs[1] =
 918                                            READ_PORT_ULONG(cmdport->data2);
 919                                } else {
 920                                        err = -ENOSYS;
 921                                        goto errout;
 922                                }
 923                        }
 924                        break;
 925                }
 926                udelay(20);
 927        }
 928        if (time == CMDIF_TIMEOUT) {
 929                err = -ENODATA;
 930                goto errout;
 931        }
 932        spin_unlock_irqrestore(&cif->lock, irqflags);
 933
 934        cif->cmdcnt++;          /* update command statistics */
 935        cif->cmdtime += time;
 936        if (time > cif->cmdtimemax)
 937                cif->cmdtimemax = time;
 938        if (time < cif->cmdtimemin)
 939                cif->cmdtimemin = time;
 940        if ((cif->cmdcnt) % 1000 == 0)
 941                snd_printdd
 942                    ("send cmd %d time: %d mintime: %d maxtime %d err: %d\n",
 943                     cif->cmdcnt, cif->cmdtime, cif->cmdtimemin,
 944                     cif->cmdtimemax, cif->errcnt);
 945        return 0;
 946
 947      errout:
 948        cif->errcnt++;
 949        spin_unlock_irqrestore(&cif->lock, irqflags);
 950        snd_printdd
 951            ("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",
 952             cif->cmdcnt, (int)((void *)&(cmdport->stat) - (void *)hwport),
 953             flags, cmd, parm, ret ? ret->retlongs[0] : 0,
 954             ret ? ret->retlongs[1] : 0, IS_CMDE(cmdport), IS_DATF(cmdport),
 955             err);
 956        return err;
 957}
 958
 959static int
 960setmixer(struct cmdif *cif, short num, unsigned short rval, unsigned short lval)
 961{
 962        union cmdret rptr = CMDRET_ZERO;
 963        int i = 0;
 964
 965        snd_printdd("sent mixer %d: 0x%d 0x%d\n", num, rval, lval);
 966        do {
 967                SEND_SDGV(cif, num, num, rval, lval);
 968                SEND_RDGV(cif, num, num, &rptr);
 969                if (rptr.retwords[0] == lval && rptr.retwords[1] == rval)
 970                        return 0;
 971        } while (i++ < MAX_WRITE_RETRY);
 972        snd_printdd("sent mixer failed\n");
 973        return -EIO;
 974}
 975
 976static int getpaths(struct cmdif *cif, unsigned char *o)
 977{
 978        unsigned char src[E2SINK_MAX];
 979        unsigned char sink[E2SINK_MAX];
 980        int i, j = 0;
 981
 982        for (i = 0; i < E2SINK_MAX; i++) {
 983                getsourcesink(cif, i, i, &src[i], &sink[i]);
 984                if (sink[i] < E2SINK_MAX) {
 985                        o[j++] = sink[i];
 986                        o[j++] = i;
 987                }
 988        }
 989        return j;
 990}
 991
 992static int
 993getsourcesink(struct cmdif *cif, unsigned char source, unsigned char sink,
 994              unsigned char *a, unsigned char *b)
 995{
 996        union cmdret rptr = CMDRET_ZERO;
 997
 998        if (SEND_RSSV(cif, source, sink, &rptr) &&
 999            SEND_RSSV(cif, source, sink, &rptr))
1000                return -EIO;
1001        *a = rptr.retbytes[0];
1002        *b = rptr.retbytes[1];
1003        snd_printdd("getsourcesink 0x%x 0x%x\n", *a, *b);
1004        return 0;
1005}
1006
1007static int
1008getsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int *rate)
1009{
1010        unsigned char *s;
1011        unsigned int p[2] = { 0, 0 };
1012        int i;
1013        union cmdret rptr = CMDRET_ZERO;
1014
1015        s = intdec;
1016        for (i = 0; i < 2; i++) {
1017                if (*s != 0xff) {
1018                        if (SEND_RSRC(cif, *s, &rptr) &&
1019                            SEND_RSRC(cif, *s, &rptr))
1020                                return -EIO;
1021                        p[i] += rptr.retwords[1];
1022                        p[i] *= rptr.retwords[2];
1023                        p[i] += rptr.retwords[3];
1024                        p[i] /= 65536;
1025                }
1026                s++;
1027        }
1028        if (p[0]) {
1029                if (p[1] != p[0])
1030                        snd_printdd("rates differ %d %d\n", p[0], p[1]);
1031                *rate = (unsigned int)p[0];
1032        } else
1033                *rate = (unsigned int)p[1];
1034        snd_printdd("getsampleformat %d %d %d\n", intdec[0], intdec[1], *rate);
1035        return 0;
1036}
1037
1038static int
1039setsampleformat(struct cmdif *cif,
1040                unsigned char mixer, unsigned char id,
1041                unsigned char channels, unsigned char format)
1042{
1043        unsigned char w, ch, sig, order;
1044
1045        snd_printdd
1046            ("setsampleformat mixer: %d id: %d channels: %d format: %d\n",
1047             mixer, id, channels, format);
1048        ch = channels == 1;
1049        w = snd_pcm_format_width(format) == 8;
1050        sig = snd_pcm_format_unsigned(format) != 0;
1051        order = snd_pcm_format_big_endian(format) != 0;
1052
1053        if (SEND_SETF(cif, mixer, w, ch, order, sig, id) &&
1054            SEND_SETF(cif, mixer, w, ch, order, sig, id)) {
1055                snd_printdd("setsampleformat failed\n");
1056                return -EIO;
1057        }
1058        return 0;
1059}
1060
1061static int
1062setsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int rate)
1063{
1064        u32 D, M, N;
1065        union cmdret rptr = CMDRET_ZERO;
1066        int i;
1067
1068        snd_printdd("setsamplerate intdec: %d,%d rate: %d\n", intdec[0],
1069                    intdec[1], rate);
1070        D = 48000;
1071        M = ((rate == 48000) ? 47999 : rate) * 65536;
1072        N = M % D;
1073        M /= D;
1074        for (i = 0; i < 2; i++) {
1075                if (*intdec != 0xff) {
1076                        do {
1077                                SEND_SSRC(cif, *intdec, D, M, N);
1078                                SEND_RSRC(cif, *intdec, &rptr);
1079                        } while (rptr.retwords[1] != D &&
1080                                 rptr.retwords[2] != M &&
1081                                 rptr.retwords[3] != N &&
1082                                 i++ < MAX_WRITE_RETRY);
1083                        if (i == MAX_WRITE_RETRY) {
1084                                snd_printdd("sent samplerate %d: %d failed\n",
1085                                            *intdec, rate);
1086                                return -EIO;
1087                        }
1088                }
1089                intdec++;
1090        }
1091        return 0;
1092}
1093
1094static int
1095getmixer(struct cmdif *cif, short num, unsigned short *rval,
1096         unsigned short *lval)
1097{
1098        union cmdret rptr = CMDRET_ZERO;
1099
1100        if (SEND_RDGV(cif, num, num, &rptr) && SEND_RDGV(cif, num, num, &rptr))
1101                return -EIO;
1102        *rval = rptr.retwords[0];
1103        *lval = rptr.retwords[1];
1104        snd_printdd("got mixer %d: 0x%d 0x%d\n", num, *rval, *lval);
1105        return 0;
1106}
1107
1108static void riptide_handleirq(unsigned long dev_id)
1109{
1110        struct snd_riptide *chip = (void *)dev_id;
1111        struct cmdif *cif = chip->cif;
1112        struct snd_pcm_substream *substream[PLAYBACK_SUBSTREAMS + 1];
1113        struct snd_pcm_runtime *runtime;
1114        struct pcmhw *data = NULL;
1115        unsigned int pos, period_bytes;
1116        struct sgd *c;
1117        int i, j;
1118        unsigned int flag;
1119
1120        if (!cif)
1121                return;
1122
1123        for (i = 0; i < PLAYBACK_SUBSTREAMS; i++)
1124                substream[i] = chip->playback_substream[i];
1125        substream[i] = chip->capture_substream;
1126        for (i = 0; i < PLAYBACK_SUBSTREAMS + 1; i++) {
1127                if (substream[i] &&
1128                    (runtime = substream[i]->runtime) &&
1129                    (data = runtime->private_data) && data->state != ST_STOP) {
1130                        pos = 0;
1131                        for (j = 0; j < data->pages; j++) {
1132                                c = &data->sgdbuf[j];
1133                                flag = le32_to_cpu(c->dwStat_Ctl);
1134                                if (flag & EOB_STATUS)
1135                                        pos += le32_to_cpu(c->dwSegLen);
1136                                if (flag & EOC_STATUS)
1137                                        pos += le32_to_cpu(c->dwSegLen);
1138                                if ((flag & EOS_STATUS)
1139                                    && (data->state == ST_PLAY)) {
1140                                        data->state = ST_STOP;
1141                                        snd_printk(KERN_ERR
1142                                                   "Riptide: DMA stopped unexpectedly\n");
1143                                }
1144                                c->dwStat_Ctl =
1145                                    cpu_to_le32(flag &
1146                                                ~(EOS_STATUS | EOB_STATUS |
1147                                                  EOC_STATUS));
1148                        }
1149                        data->pointer += pos;
1150                        pos += data->oldpos;
1151                        if (data->state != ST_STOP) {
1152                                period_bytes =
1153                                    frames_to_bytes(runtime,
1154                                                    runtime->period_size);
1155                                snd_printdd
1156                                    ("interrupt 0x%x after 0x%lx of 0x%lx frames in period\n",
1157                                     READ_AUDIO_STATUS(cif->hwport),
1158                                     bytes_to_frames(runtime, pos),
1159                                     runtime->period_size);
1160                                j = 0;
1161                                if (pos >= period_bytes) {
1162                                        j++;
1163                                        while (pos >= period_bytes)
1164                                                pos -= period_bytes;
1165                                }
1166                                data->oldpos = pos;
1167                                if (j > 0)
1168                                        snd_pcm_period_elapsed(substream[i]);
1169                        }
1170                }
1171        }
1172}
1173
1174#ifdef CONFIG_PM
1175static int riptide_suspend(struct pci_dev *pci, pm_message_t state)
1176{
1177        struct snd_card *card = pci_get_drvdata(pci);
1178        struct snd_riptide *chip = card->private_data;
1179
1180        chip->in_suspend = 1;
1181        snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1182        snd_pcm_suspend_all(chip->pcm);
1183        snd_ac97_suspend(chip->ac97);
1184        pci_disable_device(pci);
1185        pci_save_state(pci);
1186        pci_set_power_state(pci, pci_choose_state(pci, state));
1187        return 0;
1188}
1189
1190static int riptide_resume(struct pci_dev *pci)
1191{
1192        struct snd_card *card = pci_get_drvdata(pci);
1193        struct snd_riptide *chip = card->private_data;
1194
1195        pci_set_power_state(pci, PCI_D0);
1196        pci_restore_state(pci);
1197        if (pci_enable_device(pci) < 0) {
1198                printk(KERN_ERR "riptide: pci_enable_device failed, "
1199                       "disabling device\n");
1200                snd_card_disconnect(card);
1201                return -EIO;
1202        }
1203        pci_set_master(pci);
1204        snd_riptide_initialize(chip);
1205        snd_ac97_resume(chip->ac97);
1206        snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1207        chip->in_suspend = 0;
1208        return 0;
1209}
1210#endif
1211
1212static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip)
1213{
1214        int timeout, tries;
1215        union cmdret rptr = CMDRET_ZERO;
1216        union firmware_version firmware;
1217        int i, j, err, has_firmware;
1218
1219        if (!cif)
1220                return -EINVAL;
1221
1222        cif->cmdcnt = 0;
1223        cif->cmdtime = 0;
1224        cif->cmdtimemax = 0;
1225        cif->cmdtimemin = 0xffffffff;
1226        cif->errcnt = 0;
1227        cif->is_reset = 0;
1228
1229        tries = RESET_TRIES;
1230        has_firmware = 0;
1231        while (has_firmware == 0 && tries-- > 0) {
1232                for (i = 0; i < 2; i++) {
1233                        WRITE_PORT_ULONG(cif->hwport->port[i].data1, 0);
1234                        WRITE_PORT_ULONG(cif->hwport->port[i].data2, 0);
1235                }
1236                SET_GRESET(cif->hwport);
1237                udelay(100);
1238                UNSET_GRESET(cif->hwport);
1239                udelay(100);
1240
1241                for (timeout = 100000; --timeout; udelay(10)) {
1242                        if (IS_READY(cif->hwport) && !IS_GERR(cif->hwport))
1243                                break;
1244                }
1245                if (timeout == 0) {
1246                        snd_printk(KERN_ERR
1247                                   "Riptide: device not ready, audio status: 0x%x ready: %d gerr: %d\n",
1248                                   READ_AUDIO_STATUS(cif->hwport),
1249                                   IS_READY(cif->hwport), IS_GERR(cif->hwport));
1250                        return -EIO;
1251                } else {
1252                        snd_printdd
1253                            ("Riptide: audio status: 0x%x ready: %d gerr: %d\n",
1254                             READ_AUDIO_STATUS(cif->hwport),
1255                             IS_READY(cif->hwport), IS_GERR(cif->hwport));
1256                }
1257
1258                SEND_GETV(cif, &rptr);
1259                for (i = 0; i < 4; i++)
1260                        firmware.ret.retwords[i] = rptr.retwords[i];
1261
1262                snd_printdd
1263                    ("Firmware version: ASIC: %d CODEC %d AUXDSP %d PROG %d\n",
1264                     firmware.firmware.ASIC, firmware.firmware.CODEC,
1265                     firmware.firmware.AUXDSP, firmware.firmware.PROG);
1266
1267                for (j = 0; j < FIRMWARE_VERSIONS; j++) {
1268                        has_firmware = 1;
1269                        for (i = 0; i < 4; i++) {
1270                                if (firmware_versions[j].ret.retwords[i] !=
1271                                    firmware.ret.retwords[i])
1272                                        has_firmware = 0;
1273                        }
1274                        if (has_firmware)
1275                                break;
1276                }
1277
1278                if (chip != NULL && has_firmware == 0) {
1279                        snd_printdd("Writing Firmware\n");
1280                        if (!chip->fw_entry) {
1281                                if ((err =
1282                                     request_firmware(&chip->fw_entry,
1283                                                      "riptide.hex",
1284                                                      &chip->pci->dev)) != 0) {
1285                                        snd_printk(KERN_ERR
1286                                                   "Riptide: Firmware not available %d\n",
1287                                                   err);
1288                                        return -EIO;
1289                                }
1290                        }
1291                        err = loadfirmware(cif, chip->fw_entry->data,
1292                                           chip->fw_entry->size);
1293                        if (err)
1294                                snd_printk(KERN_ERR
1295                                           "Riptide: Could not load firmware %d\n",
1296                                           err);
1297                }
1298        }
1299
1300        SEND_SACR(cif, 0, AC97_RESET);
1301        SEND_RACR(cif, AC97_RESET, &rptr);
1302        snd_printdd("AC97: 0x%x 0x%x\n", rptr.retlongs[0], rptr.retlongs[1]);
1303
1304        SEND_PLST(cif, 0);
1305        SEND_SLST(cif, 0);
1306        SEND_DLST(cif, 0);
1307        SEND_ALST(cif, 0);
1308        SEND_KDMA(cif);
1309
1310        writearm(cif, 0x301F8, 1, 1);
1311        writearm(cif, 0x301F4, 1, 1);
1312
1313        SEND_LSEL(cif, MODEM_CMD, 0, 0, MODEM_INTDEC, MODEM_MERGER,
1314                  MODEM_SPLITTER, MODEM_MIXER);
1315        setmixer(cif, MODEM_MIXER, 0x7fff, 0x7fff);
1316        alloclbuspath(cif, ARM2LBUS_FIFO13, lbus_play_modem, NULL, NULL);
1317
1318        SEND_LSEL(cif, FM_CMD, 0, 0, FM_INTDEC, FM_MERGER, FM_SPLITTER,
1319                  FM_MIXER);
1320        setmixer(cif, FM_MIXER, 0x7fff, 0x7fff);
1321        writearm(cif, 0x30648 + FM_MIXER * 4, 0x01, 0x00000005);
1322        writearm(cif, 0x301A8, 0x02, 0x00000002);
1323        writearm(cif, 0x30264, 0x08, 0xffffffff);
1324        alloclbuspath(cif, OPL3_SAMPLE, lbus_play_opl3, NULL, NULL);
1325
1326        SEND_SSRC(cif, I2S_INTDEC, 48000,
1327                  ((u32) I2S_RATE * 65536) / 48000,
1328                  ((u32) I2S_RATE * 65536) % 48000);
1329        SEND_LSEL(cif, I2S_CMD0, 0, 0, I2S_INTDEC, I2S_MERGER, I2S_SPLITTER,
1330                  I2S_MIXER);
1331        SEND_SI2S(cif, 1);
1332        alloclbuspath(cif, ARM2LBUS_FIFO0, lbus_play_i2s, NULL, NULL);
1333        alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_out, NULL, NULL);
1334        alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_outhp, NULL, NULL);
1335
1336        SET_AIACK(cif->hwport);
1337        SET_AIE(cif->hwport);
1338        SET_AIACK(cif->hwport);
1339        cif->is_reset = 1;
1340        if (chip) {
1341                for (i = 0; i < 4; i++)
1342                        chip->firmware.ret.retwords[i] =
1343                            firmware.ret.retwords[i];
1344        }
1345
1346        return 0;
1347}
1348
1349static struct snd_pcm_hardware snd_riptide_playback = {
1350        .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1351                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1352                 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1353        .formats =
1354            SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1355            | SNDRV_PCM_FMTBIT_U16_LE,
1356        .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1357        .rate_min = 5500,
1358        .rate_max = 48000,
1359        .channels_min = 1,
1360        .channels_max = 2,
1361        .buffer_bytes_max = (64 * 1024),
1362        .period_bytes_min = PAGE_SIZE >> 1,
1363        .period_bytes_max = PAGE_SIZE << 8,
1364        .periods_min = 2,
1365        .periods_max = 64,
1366        .fifo_size = 0,
1367};
1368static struct snd_pcm_hardware snd_riptide_capture = {
1369        .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1370                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1371                 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1372        .formats =
1373            SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1374            | SNDRV_PCM_FMTBIT_U16_LE,
1375        .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1376        .rate_min = 5500,
1377        .rate_max = 48000,
1378        .channels_min = 1,
1379        .channels_max = 2,
1380        .buffer_bytes_max = (64 * 1024),
1381        .period_bytes_min = PAGE_SIZE >> 1,
1382        .period_bytes_max = PAGE_SIZE << 3,
1383        .periods_min = 2,
1384        .periods_max = 64,
1385        .fifo_size = 0,
1386};
1387
1388static snd_pcm_uframes_t snd_riptide_pointer(struct snd_pcm_substream
1389                                             *substream)
1390{
1391        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1392        struct snd_pcm_runtime *runtime = substream->runtime;
1393        struct pcmhw *data = get_pcmhwdev(substream);
1394        struct cmdif *cif = chip->cif;
1395        union cmdret rptr = CMDRET_ZERO;
1396        snd_pcm_uframes_t ret;
1397
1398        SEND_GPOS(cif, 0, data->id, &rptr);
1399        if (data->size && runtime->period_size) {
1400                snd_printdd
1401                    ("pointer stream %d position 0x%x(0x%x in buffer) bytes 0x%lx(0x%lx in period) frames\n",
1402                     data->id, rptr.retlongs[1], rptr.retlongs[1] % data->size,
1403                     bytes_to_frames(runtime, rptr.retlongs[1]),
1404                     bytes_to_frames(runtime,
1405                                     rptr.retlongs[1]) % runtime->period_size);
1406                if (rptr.retlongs[1] > data->pointer)
1407                        ret =
1408                            bytes_to_frames(runtime,
1409                                            rptr.retlongs[1] % data->size);
1410                else
1411                        ret =
1412                            bytes_to_frames(runtime,
1413                                            data->pointer % data->size);
1414        } else {
1415                snd_printdd("stream not started or strange parms (%d %ld)\n",
1416                            data->size, runtime->period_size);
1417                ret = bytes_to_frames(runtime, 0);
1418        }
1419        return ret;
1420}
1421
1422static int snd_riptide_trigger(struct snd_pcm_substream *substream, int cmd)
1423{
1424        int i, j;
1425        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1426        struct pcmhw *data = get_pcmhwdev(substream);
1427        struct cmdif *cif = chip->cif;
1428        union cmdret rptr = CMDRET_ZERO;
1429
1430        spin_lock(&chip->lock);
1431        switch (cmd) {
1432        case SNDRV_PCM_TRIGGER_START:
1433        case SNDRV_PCM_TRIGGER_RESUME:
1434                if (!(data->state & ST_PLAY)) {
1435                        SEND_SSTR(cif, data->id, data->sgdlist.addr);
1436                        SET_AIE(cif->hwport);
1437                        data->state = ST_PLAY;
1438                        if (data->mixer != 0xff)
1439                                setmixer(cif, data->mixer, 0x7fff, 0x7fff);
1440                        chip->openstreams++;
1441                        data->oldpos = 0;
1442                        data->pointer = 0;
1443                }
1444                break;
1445        case SNDRV_PCM_TRIGGER_STOP:
1446        case SNDRV_PCM_TRIGGER_SUSPEND:
1447                if (data->mixer != 0xff)
1448                        setmixer(cif, data->mixer, 0, 0);
1449                setmixer(cif, data->mixer, 0, 0);
1450                SEND_KSTR(cif, data->id);
1451                data->state = ST_STOP;
1452                chip->openstreams--;
1453                j = 0;
1454                do {
1455                        i = rptr.retlongs[1];
1456                        SEND_GPOS(cif, 0, data->id, &rptr);
1457                        udelay(1);
1458                } while (i != rptr.retlongs[1] && j++ < MAX_WRITE_RETRY);
1459                if (j > MAX_WRITE_RETRY)
1460                        snd_printk(KERN_ERR "Riptide: Could not stop stream!");
1461                break;
1462        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1463                if (!(data->state & ST_PAUSE)) {
1464                        SEND_PSTR(cif, data->id);
1465                        data->state |= ST_PAUSE;
1466                        chip->openstreams--;
1467                }
1468                break;
1469        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1470                if (data->state & ST_PAUSE) {
1471                        SEND_SSTR(cif, data->id, data->sgdlist.addr);
1472                        data->state &= ~ST_PAUSE;
1473                        chip->openstreams++;
1474                }
1475                break;
1476        default:
1477                spin_unlock(&chip->lock);
1478                return -EINVAL;
1479        }
1480        spin_unlock(&chip->lock);
1481        return 0;
1482}
1483
1484static int snd_riptide_prepare(struct snd_pcm_substream *substream)
1485{
1486        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1487        struct snd_pcm_runtime *runtime = substream->runtime;
1488        struct pcmhw *data = get_pcmhwdev(substream);
1489        struct cmdif *cif = chip->cif;
1490        unsigned char *lbuspath = NULL;
1491        unsigned int rate, channels;
1492        int err = 0;
1493        snd_pcm_format_t format;
1494
1495        if (snd_BUG_ON(!cif || !data))
1496                return -EINVAL;
1497
1498        snd_printdd("prepare id %d ch: %d f:0x%x r:%d\n", data->id,
1499                    runtime->channels, runtime->format, runtime->rate);
1500
1501        spin_lock_irq(&chip->lock);
1502        channels = runtime->channels;
1503        format = runtime->format;
1504        rate = runtime->rate;
1505        switch (channels) {
1506        case 1:
1507                if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1508                        lbuspath = data->paths.noconv;
1509                else
1510                        lbuspath = data->paths.mono;
1511                break;
1512        case 2:
1513                if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1514                        lbuspath = data->paths.noconv;
1515                else
1516                        lbuspath = data->paths.stereo;
1517                break;
1518        }
1519        snd_printdd("use sgdlist at 0x%p\n",
1520                    data->sgdlist.area);
1521        if (data->sgdlist.area) {
1522                unsigned int i, j, size, pages, f, pt, period;
1523                struct sgd *c, *p = NULL;
1524
1525                size = frames_to_bytes(runtime, runtime->buffer_size);
1526                period = frames_to_bytes(runtime, runtime->period_size);
1527                f = PAGE_SIZE;
1528                while ((size + (f >> 1) - 1) <= (f << 7) && (f << 1) > period)
1529                        f = f >> 1;
1530                pages = (size + f - 1) / f;
1531                data->size = size;
1532                data->pages = pages;
1533                snd_printdd
1534                    ("create sgd size: 0x%x pages %d of size 0x%x for period 0x%x\n",
1535                     size, pages, f, period);
1536                pt = 0;
1537                j = 0;
1538                for (i = 0; i < pages; i++) {
1539                        unsigned int ofs, addr;
1540                        c = &data->sgdbuf[i];
1541                        if (p)
1542                                p->dwNextLink = cpu_to_le32(data->sgdlist.addr +
1543                                                            (i *
1544                                                             sizeof(struct
1545                                                                    sgd)));
1546                        c->dwNextLink = cpu_to_le32(data->sgdlist.addr);
1547                        ofs = j << PAGE_SHIFT;
1548                        addr = snd_pcm_sgbuf_get_addr(substream, ofs) + pt;
1549                        c->dwSegPtrPhys = cpu_to_le32(addr);
1550                        pt = (pt + f) % PAGE_SIZE;
1551                        if (pt == 0)
1552                                j++;
1553                        c->dwSegLen = cpu_to_le32(f);
1554                        c->dwStat_Ctl =
1555                            cpu_to_le32(IEOB_ENABLE | IEOS_ENABLE |
1556                                        IEOC_ENABLE);
1557                        p = c;
1558                        size -= f;
1559                }
1560                data->sgdbuf[i].dwSegLen = cpu_to_le32(size);
1561        }
1562        if (lbuspath && lbuspath != data->lbuspath) {
1563                if (data->lbuspath)
1564                        freelbuspath(cif, data->source, data->lbuspath);
1565                alloclbuspath(cif, data->source, lbuspath,
1566                              &data->mixer, data->intdec);
1567                data->lbuspath = lbuspath;
1568                data->rate = 0;
1569        }
1570        if (data->rate != rate || data->format != format ||
1571            data->channels != channels) {
1572                data->rate = rate;
1573                data->format = format;
1574                data->channels = channels;
1575                if (setsampleformat
1576                    (cif, data->mixer, data->id, channels, format)
1577                    || setsamplerate(cif, data->intdec, rate))
1578                        err = -EIO;
1579        }
1580        spin_unlock_irq(&chip->lock);
1581        return err;
1582}
1583
1584static int
1585snd_riptide_hw_params(struct snd_pcm_substream *substream,
1586                      struct snd_pcm_hw_params *hw_params)
1587{
1588        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1589        struct pcmhw *data = get_pcmhwdev(substream);
1590        struct snd_dma_buffer *sgdlist = &data->sgdlist;
1591        int err;
1592
1593        snd_printdd("hw params id %d (sgdlist: 0x%p 0x%lx %d)\n", data->id,
1594                    sgdlist->area, (unsigned long)sgdlist->addr,
1595                    (int)sgdlist->bytes);
1596        if (sgdlist->area)
1597                snd_dma_free_pages(sgdlist);
1598        if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
1599                                       snd_dma_pci_data(chip->pci),
1600                                       sizeof(struct sgd) * (DESC_MAX_MASK + 1),
1601                                       sgdlist)) < 0) {
1602                snd_printk(KERN_ERR "Riptide: failed to alloc %d dma bytes\n",
1603                           (int)sizeof(struct sgd) * (DESC_MAX_MASK + 1));
1604                return err;
1605        }
1606        data->sgdbuf = (struct sgd *)sgdlist->area;
1607        return snd_pcm_lib_malloc_pages(substream,
1608                                        params_buffer_bytes(hw_params));
1609}
1610
1611static int snd_riptide_hw_free(struct snd_pcm_substream *substream)
1612{
1613        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1614        struct pcmhw *data = get_pcmhwdev(substream);
1615        struct cmdif *cif = chip->cif;
1616
1617        if (cif && data) {
1618                if (data->lbuspath)
1619                        freelbuspath(cif, data->source, data->lbuspath);
1620                data->lbuspath = NULL;
1621                data->source = 0xff;
1622                data->intdec[0] = 0xff;
1623                data->intdec[1] = 0xff;
1624
1625                if (data->sgdlist.area) {
1626                        snd_dma_free_pages(&data->sgdlist);
1627                        data->sgdlist.area = NULL;
1628                }
1629        }
1630        return snd_pcm_lib_free_pages(substream);
1631}
1632
1633static int snd_riptide_playback_open(struct snd_pcm_substream *substream)
1634{
1635        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1636        struct snd_pcm_runtime *runtime = substream->runtime;
1637        struct pcmhw *data;
1638        int sub_num = substream->number;
1639
1640        chip->playback_substream[sub_num] = substream;
1641        runtime->hw = snd_riptide_playback;
1642        data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1643        data->paths = lbus_play_paths[sub_num];
1644        data->id = play_ids[sub_num];
1645        data->source = play_sources[sub_num];
1646        data->intdec[0] = 0xff;
1647        data->intdec[1] = 0xff;
1648        data->state = ST_STOP;
1649        runtime->private_data = data;
1650        return snd_pcm_hw_constraint_integer(runtime,
1651                                             SNDRV_PCM_HW_PARAM_PERIODS);
1652}
1653
1654static int snd_riptide_capture_open(struct snd_pcm_substream *substream)
1655{
1656        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1657        struct snd_pcm_runtime *runtime = substream->runtime;
1658        struct pcmhw *data;
1659
1660        chip->capture_substream = substream;
1661        runtime->hw = snd_riptide_capture;
1662        data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1663        data->paths = lbus_rec_path;
1664        data->id = PADC;
1665        data->source = ACLNK2PADC;
1666        data->intdec[0] = 0xff;
1667        data->intdec[1] = 0xff;
1668        data->state = ST_STOP;
1669        runtime->private_data = data;
1670        return snd_pcm_hw_constraint_integer(runtime,
1671                                             SNDRV_PCM_HW_PARAM_PERIODS);
1672}
1673
1674static int snd_riptide_playback_close(struct snd_pcm_substream *substream)
1675{
1676        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1677        struct pcmhw *data = get_pcmhwdev(substream);
1678        int sub_num = substream->number;
1679
1680        substream->runtime->private_data = NULL;
1681        chip->playback_substream[sub_num] = NULL;
1682        kfree(data);
1683        return 0;
1684}
1685
1686static int snd_riptide_capture_close(struct snd_pcm_substream *substream)
1687{
1688        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1689        struct pcmhw *data = get_pcmhwdev(substream);
1690
1691        substream->runtime->private_data = NULL;
1692        chip->capture_substream = NULL;
1693        kfree(data);
1694        return 0;
1695}
1696
1697static struct snd_pcm_ops snd_riptide_playback_ops = {
1698        .open = snd_riptide_playback_open,
1699        .close = snd_riptide_playback_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};
1708static struct snd_pcm_ops snd_riptide_capture_ops = {
1709        .open = snd_riptide_capture_open,
1710        .close = snd_riptide_capture_close,
1711        .ioctl = snd_pcm_lib_ioctl,
1712        .hw_params = snd_riptide_hw_params,
1713        .hw_free = snd_riptide_hw_free,
1714        .prepare = snd_riptide_prepare,
1715        .page = snd_pcm_sgbuf_ops_page,
1716        .trigger = snd_riptide_trigger,
1717        .pointer = snd_riptide_pointer,
1718};
1719
1720static int __devinit
1721snd_riptide_pcm(struct snd_riptide *chip, int device, struct snd_pcm **rpcm)
1722{
1723        struct snd_pcm *pcm;
1724        int err;
1725
1726        if (rpcm)
1727                *rpcm = NULL;
1728        if ((err =
1729             snd_pcm_new(chip->card, "RIPTIDE", device, PLAYBACK_SUBSTREAMS, 1,
1730                         &pcm)) < 0)
1731                return err;
1732        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1733                        &snd_riptide_playback_ops);
1734        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1735                        &snd_riptide_capture_ops);
1736        pcm->private_data = chip;
1737        pcm->info_flags = 0;
1738        strcpy(pcm->name, "RIPTIDE");
1739        chip->pcm = pcm;
1740        snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1741                                              snd_dma_pci_data(chip->pci),
1742                                              64 * 1024, 128 * 1024);
1743        if (rpcm)
1744                *rpcm = pcm;
1745        return 0;
1746}
1747
1748static irqreturn_t
1749snd_riptide_interrupt(int irq, void *dev_id)
1750{
1751        struct snd_riptide *chip = dev_id;
1752        struct cmdif *cif = chip->cif;
1753
1754        if (cif) {
1755                chip->received_irqs++;
1756                if (IS_EOBIRQ(cif->hwport) || IS_EOSIRQ(cif->hwport) ||
1757                    IS_EOCIRQ(cif->hwport)) {
1758                        chip->handled_irqs++;
1759                        tasklet_schedule(&chip->riptide_tq);
1760                }
1761                if (chip->rmidi && IS_MPUIRQ(cif->hwport)) {
1762                        chip->handled_irqs++;
1763                        snd_mpu401_uart_interrupt(irq,
1764                                                  chip->rmidi->private_data);
1765                }
1766                SET_AIACK(cif->hwport);
1767        }
1768        return IRQ_HANDLED;
1769}
1770
1771static void
1772snd_riptide_codec_write(struct snd_ac97 *ac97, unsigned short reg,
1773                        unsigned short val)
1774{
1775        struct snd_riptide *chip = ac97->private_data;
1776        struct cmdif *cif = chip->cif;
1777        union cmdret rptr = CMDRET_ZERO;
1778        int i = 0;
1779
1780        if (snd_BUG_ON(!cif))
1781                return;
1782
1783        snd_printdd("Write AC97 reg 0x%x 0x%x\n", reg, val);
1784        do {
1785                SEND_SACR(cif, val, reg);
1786                SEND_RACR(cif, reg, &rptr);
1787        } while (rptr.retwords[1] != val && i++ < MAX_WRITE_RETRY);
1788        if (i > MAX_WRITE_RETRY)
1789                snd_printdd("Write AC97 reg failed\n");
1790}
1791
1792static unsigned short snd_riptide_codec_read(struct snd_ac97 *ac97,
1793                                             unsigned short reg)
1794{
1795        struct snd_riptide *chip = ac97->private_data;
1796        struct cmdif *cif = chip->cif;
1797        union cmdret rptr = CMDRET_ZERO;
1798
1799        if (snd_BUG_ON(!cif))
1800                return 0;
1801
1802        if (SEND_RACR(cif, reg, &rptr) != 0)
1803                SEND_RACR(cif, reg, &rptr);
1804        snd_printdd("Read AC97 reg 0x%x got 0x%x\n", reg, rptr.retwords[1]);
1805        return rptr.retwords[1];
1806}
1807
1808static int snd_riptide_initialize(struct snd_riptide *chip)
1809{
1810        struct cmdif *cif;
1811        unsigned int device_id;
1812        int err;
1813
1814        if (snd_BUG_ON(!chip))
1815                return -EINVAL;
1816
1817        cif = chip->cif;
1818        if (!cif) {
1819                if ((cif = kzalloc(sizeof(struct cmdif), GFP_KERNEL)) == NULL)
1820                        return -ENOMEM;
1821                cif->hwport = (struct riptideport *)chip->port;
1822                spin_lock_init(&cif->lock);
1823                chip->cif = cif;
1824        }
1825        cif->is_reset = 0;
1826        if ((err = riptide_reset(cif, chip)) != 0)
1827                return err;
1828        device_id = chip->device_id;
1829        switch (device_id) {
1830        case 0x4310:
1831        case 0x4320:
1832        case 0x4330:
1833                snd_printdd("Modem enable?\n");
1834                SEND_SETDPLL(cif);
1835                break;
1836        }
1837        snd_printdd("Enabling MPU IRQs\n");
1838        if (chip->rmidi)
1839                SET_EMPUIRQ(cif->hwport);
1840        return err;
1841}
1842
1843static int snd_riptide_free(struct snd_riptide *chip)
1844{
1845        struct cmdif *cif;
1846
1847        if (!chip)
1848                return 0;
1849
1850        if ((cif = chip->cif)) {
1851                SET_GRESET(cif->hwport);
1852                udelay(100);
1853                UNSET_GRESET(cif->hwport);
1854                kfree(chip->cif);
1855        }
1856        if (chip->irq >= 0)
1857                free_irq(chip->irq, chip);
1858        if (chip->fw_entry)
1859                release_firmware(chip->fw_entry);
1860        release_and_free_resource(chip->res_port);
1861        kfree(chip);
1862        return 0;
1863}
1864
1865static int snd_riptide_dev_free(struct snd_device *device)
1866{
1867        struct snd_riptide *chip = device->device_data;
1868
1869        return snd_riptide_free(chip);
1870}
1871
1872static int __devinit
1873snd_riptide_create(struct snd_card *card, struct pci_dev *pci,
1874                   struct snd_riptide **rchip)
1875{
1876        struct snd_riptide *chip;
1877        struct riptideport *hwport;
1878        int err;
1879        static struct snd_device_ops ops = {
1880                .dev_free = snd_riptide_dev_free,
1881        };
1882
1883        *rchip = NULL;
1884        if ((err = pci_enable_device(pci)) < 0)
1885                return err;
1886        if (!(chip = kzalloc(sizeof(struct snd_riptide), GFP_KERNEL)))
1887                return -ENOMEM;
1888
1889        spin_lock_init(&chip->lock);
1890        chip->card = card;
1891        chip->pci = pci;
1892        chip->irq = -1;
1893        chip->openstreams = 0;
1894        chip->port = pci_resource_start(pci, 0);
1895        chip->received_irqs = 0;
1896        chip->handled_irqs = 0;
1897        chip->cif = NULL;
1898        tasklet_init(&chip->riptide_tq, riptide_handleirq, (unsigned long)chip);
1899
1900        if ((chip->res_port =
1901             request_region(chip->port, 64, "RIPTIDE")) == NULL) {
1902                snd_printk(KERN_ERR
1903                           "Riptide: unable to grab region 0x%lx-0x%lx\n",
1904                           chip->port, chip->port + 64 - 1);
1905                snd_riptide_free(chip);
1906                return -EBUSY;
1907        }
1908        hwport = (struct riptideport *)chip->port;
1909        UNSET_AIE(hwport);
1910
1911        if (request_irq(pci->irq, snd_riptide_interrupt, IRQF_SHARED,
1912                        "RIPTIDE", chip)) {
1913                snd_printk(KERN_ERR "Riptide: unable to grab IRQ %d\n",
1914                           pci->irq);
1915                snd_riptide_free(chip);
1916                return -EBUSY;
1917        }
1918        chip->irq = pci->irq;
1919        chip->device_id = pci->device;
1920        pci_set_master(pci);
1921        if ((err = snd_riptide_initialize(chip)) < 0) {
1922                snd_riptide_free(chip);
1923                return err;
1924        }
1925
1926        if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1927                snd_riptide_free(chip);
1928                return err;
1929        }
1930
1931        snd_card_set_dev(card, &pci->dev);
1932
1933        *rchip = chip;
1934        return 0;
1935}
1936
1937static void
1938snd_riptide_proc_read(struct snd_info_entry *entry,
1939                      struct snd_info_buffer *buffer)
1940{
1941        struct snd_riptide *chip = entry->private_data;
1942        struct pcmhw *data;
1943        int i;
1944        struct cmdif *cif = NULL;
1945        unsigned char p[256];
1946        unsigned short rval = 0, lval = 0;
1947        unsigned int rate;
1948
1949        if (!chip)
1950                return;
1951
1952        snd_iprintf(buffer, "%s\n\n", chip->card->longname);
1953        snd_iprintf(buffer, "Device ID: 0x%x\nReceived IRQs: (%ld)%ld\nPorts:",
1954                    chip->device_id, chip->handled_irqs, chip->received_irqs);
1955        for (i = 0; i < 64; i += 4)
1956                snd_iprintf(buffer, "%c%02x: %08x",
1957                            (i % 16) ? ' ' : '\n', i, inl(chip->port + i));
1958        if ((cif = chip->cif)) {
1959                snd_iprintf(buffer,
1960                            "\nVersion: ASIC: %d CODEC: %d AUXDSP: %d PROG: %d",
1961                            chip->firmware.firmware.ASIC,
1962                            chip->firmware.firmware.CODEC,
1963                            chip->firmware.firmware.AUXDSP,
1964                            chip->firmware.firmware.PROG);
1965                snd_iprintf(buffer, "\nDigital mixer:");
1966                for (i = 0; i < 12; i++) {
1967                        getmixer(cif, i, &rval, &lval);
1968                        snd_iprintf(buffer, "\n %d: %d %d", i, rval, lval);
1969                }
1970                snd_iprintf(buffer,
1971                            "\nARM Commands num: %d failed: %d time: %d max: %d min: %d",
1972                            cif->cmdcnt, cif->errcnt,
1973                            cif->cmdtime, cif->cmdtimemax, cif->cmdtimemin);
1974        }
1975        snd_iprintf(buffer, "\nOpen streams %d:\n", chip->openstreams);
1976        for (i = 0; i < PLAYBACK_SUBSTREAMS; i++) {
1977                if (chip->playback_substream[i]
1978                    && chip->playback_substream[i]->runtime
1979                    && (data =
1980                        chip->playback_substream[i]->runtime->private_data)) {
1981                        snd_iprintf(buffer,
1982                                    "stream: %d mixer: %d source: %d (%d,%d)\n",
1983                                    data->id, data->mixer, data->source,
1984                                    data->intdec[0], data->intdec[1]);
1985                        if (!(getsamplerate(cif, data->intdec, &rate)))
1986                                snd_iprintf(buffer, "rate: %d\n", rate);
1987                }
1988        }
1989        if (chip->capture_substream
1990            && chip->capture_substream->runtime
1991            && (data = chip->capture_substream->runtime->private_data)) {
1992                snd_iprintf(buffer,
1993                            "stream: %d mixer: %d source: %d (%d,%d)\n",
1994                            data->id, data->mixer,
1995                            data->source, data->intdec[0], data->intdec[1]);
1996                if (!(getsamplerate(cif, data->intdec, &rate)))
1997                        snd_iprintf(buffer, "rate: %d\n", rate);
1998        }
1999        snd_iprintf(buffer, "Paths:\n");
2000        i = getpaths(cif, p);
2001        while (i--) {
2002                snd_iprintf(buffer, "%x->%x ", p[i - 1], p[i]);
2003                i--;
2004        }
2005        snd_iprintf(buffer, "\n");
2006}
2007
2008static void __devinit snd_riptide_proc_init(struct snd_riptide *chip)
2009{
2010        struct snd_info_entry *entry;
2011
2012        if (!snd_card_proc_new(chip->card, "riptide", &entry))
2013                snd_info_set_text_ops(entry, chip, snd_riptide_proc_read);
2014}
2015
2016static int __devinit snd_riptide_mixer(struct snd_riptide *chip)
2017{
2018        struct snd_ac97_bus *pbus;
2019        struct snd_ac97_template ac97;
2020        int err = 0;
2021        static struct snd_ac97_bus_ops ops = {
2022                .write = snd_riptide_codec_write,
2023                .read = snd_riptide_codec_read,
2024        };
2025
2026        memset(&ac97, 0, sizeof(ac97));
2027        ac97.private_data = chip;
2028        ac97.scaps = AC97_SCAP_SKIP_MODEM;
2029
2030        if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0)
2031                return err;
2032
2033        chip->ac97_bus = pbus;
2034        ac97.pci = chip->pci;
2035        if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97)) < 0)
2036                return err;
2037        return err;
2038}
2039
2040#ifdef SUPPORT_JOYSTICK
2041static int have_joystick;
2042static struct pci_dev *riptide_gameport_pci;
2043static struct gameport *riptide_gameport;
2044
2045static int __devinit
2046snd_riptide_joystick_probe(struct pci_dev *pci, const struct pci_device_id *id)
2047{
2048        static int dev;
2049
2050        if (dev >= SNDRV_CARDS)
2051                return -ENODEV;
2052        if (!enable[dev]) {
2053                dev++;
2054                return -ENOENT;
2055        }
2056
2057        if (joystick_port[dev]) {
2058                riptide_gameport = gameport_allocate_port();
2059                if (riptide_gameport) {
2060                        if (!request_region
2061                            (joystick_port[dev], 8, "Riptide gameport")) {
2062                                snd_printk(KERN_WARNING
2063                                           "Riptide: cannot grab gameport 0x%x\n",
2064                                           joystick_port[dev]);
2065                                gameport_free_port(riptide_gameport);
2066                                riptide_gameport = NULL;
2067                        } else {
2068                                riptide_gameport_pci = pci;
2069                                riptide_gameport->io = joystick_port[dev];
2070                                gameport_register_port(riptide_gameport);
2071                        }
2072                }
2073        }
2074        dev++;
2075        return 0;
2076}
2077
2078static void __devexit snd_riptide_joystick_remove(struct pci_dev *pci)
2079{
2080        if (riptide_gameport) {
2081                if (riptide_gameport_pci == pci) {
2082                        release_region(riptide_gameport->io, 8);
2083                        riptide_gameport_pci = NULL;
2084                        gameport_unregister_port(riptide_gameport);
2085                        riptide_gameport = NULL;
2086                }
2087        }
2088}
2089#endif
2090
2091static int __devinit
2092snd_card_riptide_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2093{
2094        static int dev;
2095        struct snd_card *card;
2096        struct snd_riptide *chip;
2097        unsigned short addr;
2098        int err = 0;
2099
2100        if (dev >= SNDRV_CARDS)
2101                return -ENODEV;
2102        if (!enable[dev]) {
2103                dev++;
2104                return -ENOENT;
2105        }
2106
2107        err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
2108        if (err < 0)
2109                return err;
2110        if ((err = snd_riptide_create(card, pci, &chip)) < 0) {
2111                snd_card_free(card);
2112                return err;
2113        }
2114        card->private_data = chip;
2115        if ((err = snd_riptide_pcm(chip, 0, NULL)) < 0) {
2116                snd_card_free(card);
2117                return err;
2118        }
2119        if ((err = snd_riptide_mixer(chip)) < 0) {
2120                snd_card_free(card);
2121                return err;
2122        }
2123        pci_write_config_word(chip->pci, PCI_EXT_Legacy_Mask, LEGACY_ENABLE_ALL
2124                              | (opl3_port[dev] ? LEGACY_ENABLE_FM : 0)
2125#ifdef SUPPORT_JOYSTICK
2126                              | (joystick_port[dev] ? LEGACY_ENABLE_GAMEPORT :
2127                                 0)
2128#endif
2129                              | (mpu_port[dev]
2130                                 ? (LEGACY_ENABLE_MPU_INT | LEGACY_ENABLE_MPU) :
2131                                 0)
2132                              | ((chip->irq << 4) & 0xF0));
2133        if ((addr = mpu_port[dev]) != 0) {
2134                pci_write_config_word(chip->pci, PCI_EXT_MPU_Base, addr);
2135                if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_RIPTIDE,
2136                                               addr, 0, chip->irq, 0,
2137                                               &chip->rmidi)) < 0)
2138                        snd_printk(KERN_WARNING
2139                                   "Riptide: Can't Allocate MPU at 0x%x\n",
2140                                   addr);
2141                else
2142                        chip->mpuaddr = addr;
2143        }
2144        if ((addr = opl3_port[dev]) != 0) {
2145                pci_write_config_word(chip->pci, PCI_EXT_FM_Base, addr);
2146                if ((err = snd_opl3_create(card, addr, addr + 2,
2147                                           OPL3_HW_RIPTIDE, 0,
2148                                           &chip->opl3)) < 0)
2149                        snd_printk(KERN_WARNING
2150                                   "Riptide: Can't Allocate OPL3 at 0x%x\n",
2151                                   addr);
2152                else {
2153                        chip->opladdr = addr;
2154                        if ((err =
2155                             snd_opl3_hwdep_new(chip->opl3, 0, 1, NULL)) < 0)
2156                                snd_printk(KERN_WARNING
2157                                           "Riptide: Can't Allocate OPL3-HWDEP\n");
2158                }
2159        }
2160#ifdef SUPPORT_JOYSTICK
2161        if ((addr = joystick_port[dev]) != 0) {
2162                pci_write_config_word(chip->pci, PCI_EXT_Game_Base, addr);
2163                chip->gameaddr = addr;
2164        }
2165#endif
2166
2167        strcpy(card->driver, "RIPTIDE");
2168        strcpy(card->shortname, "Riptide");
2169#ifdef SUPPORT_JOYSTICK
2170        snprintf(card->longname, sizeof(card->longname),
2171                 "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x gameport 0x%x",
2172                 card->shortname, chip->port, chip->irq, chip->mpuaddr,
2173                 chip->opladdr, chip->gameaddr);
2174#else
2175        snprintf(card->longname, sizeof(card->longname),
2176                 "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x",
2177                 card->shortname, chip->port, chip->irq, chip->mpuaddr,
2178                 chip->opladdr);
2179#endif
2180        snd_riptide_proc_init(chip);
2181        if ((err = snd_card_register(card)) < 0) {
2182                snd_card_free(card);
2183                return err;
2184        }
2185        pci_set_drvdata(pci, card);
2186        dev++;
2187        return 0;
2188}
2189
2190static void __devexit snd_card_riptide_remove(struct pci_dev *pci)
2191{
2192        snd_card_free(pci_get_drvdata(pci));
2193        pci_set_drvdata(pci, NULL);
2194}
2195
2196static struct pci_driver driver = {
2197        .name = "RIPTIDE",
2198        .id_table = snd_riptide_ids,
2199        .probe = snd_card_riptide_probe,
2200        .remove = __devexit_p(snd_card_riptide_remove),
2201#ifdef CONFIG_PM
2202        .suspend = riptide_suspend,
2203        .resume = riptide_resume,
2204#endif
2205};
2206
2207#ifdef SUPPORT_JOYSTICK
2208static struct pci_driver joystick_driver = {
2209        .name = "Riptide Joystick",
2210        .id_table = snd_riptide_joystick_ids,
2211        .probe = snd_riptide_joystick_probe,
2212        .remove = __devexit_p(snd_riptide_joystick_remove),
2213};
2214#endif
2215
2216static int __init alsa_card_riptide_init(void)
2217{
2218        int err;
2219        if ((err = pci_register_driver(&driver)) < 0)
2220                return err;
2221#if defined(SUPPORT_JOYSTICK)
2222        if (pci_register_driver(&joystick_driver) < 0) {
2223                have_joystick = 0;
2224                snd_printk(KERN_INFO "no joystick found\n");
2225        } else
2226                have_joystick = 1;
2227#endif
2228        return 0;
2229}
2230
2231static void __exit alsa_card_riptide_exit(void)
2232{
2233        pci_unregister_driver(&driver);
2234#if defined(SUPPORT_JOYSTICK)
2235        if (have_joystick)
2236                pci_unregister_driver(&joystick_driver);
2237#endif
2238}
2239
2240module_init(alsa_card_riptide_init);
2241module_exit(alsa_card_riptide_exit);
2242
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