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    500000
 176#define RESET_TRIES      5
 177
 178#define READ_PORT_ULONG(p)     inl((unsigned long)&(p))
 179#define WRITE_PORT_ULONG(p,x)  outl(x,(unsigned long)&(p))
 180
 181#define READ_AUDIO_CONTROL(p)     READ_PORT_ULONG(p->audio_control)
 182#define WRITE_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,x)
 183#define UMASK_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)|x)
 184#define MASK_AUDIO_CONTROL(p,x)   WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)&x)
 185#define READ_AUDIO_STATUS(p)      READ_PORT_ULONG(p->audio_status)
 186
 187#define SET_GRESET(p)     UMASK_AUDIO_CONTROL(p,0x0001) /* global reset switch */
 188#define UNSET_GRESET(p)   MASK_AUDIO_CONTROL(p,~0x0001)
 189#define SET_AIE(p)        UMASK_AUDIO_CONTROL(p,0x0004) /* interrupt enable */
 190#define UNSET_AIE(p)      MASK_AUDIO_CONTROL(p,~0x0004)
 191#define SET_AIACK(p)      UMASK_AUDIO_CONTROL(p,0x0008) /* interrupt acknowledge */
 192#define UNSET_AIACKT(p)   MASKAUDIO_CONTROL(p,~0x0008)
 193#define SET_ECMDAE(p)     UMASK_AUDIO_CONTROL(p,0x0010)
 194#define UNSET_ECMDAE(p)   MASK_AUDIO_CONTROL(p,~0x0010)
 195#define SET_ECMDBE(p)     UMASK_AUDIO_CONTROL(p,0x0020)
 196#define UNSET_ECMDBE(p)   MASK_AUDIO_CONTROL(p,~0x0020)
 197#define SET_EDATAF(p)     UMASK_AUDIO_CONTROL(p,0x0040)
 198#define UNSET_EDATAF(p)   MASK_AUDIO_CONTROL(p,~0x0040)
 199#define SET_EDATBF(p)     UMASK_AUDIO_CONTROL(p,0x0080)
 200#define UNSET_EDATBF(p)   MASK_AUDIO_CONTROL(p,~0x0080)
 201#define SET_ESBIRQON(p)   UMASK_AUDIO_CONTROL(p,0x0100)
 202#define UNSET_ESBIRQON(p) MASK_AUDIO_CONTROL(p,~0x0100)
 203#define SET_EMPUIRQ(p)    UMASK_AUDIO_CONTROL(p,0x0200)
 204#define UNSET_EMPUIRQ(p)  MASK_AUDIO_CONTROL(p,~0x0200)
 205#define IS_CMDE(a)        (READ_PORT_ULONG(a->stat)&0x1)        /* cmd empty */
 206#define IS_DATF(a)        (READ_PORT_ULONG(a->stat)&0x2)        /* data filled */
 207#define IS_READY(p)       (READ_AUDIO_STATUS(p)&0x0001)
 208#define IS_DLREADY(p)     (READ_AUDIO_STATUS(p)&0x0002)
 209#define IS_DLERR(p)       (READ_AUDIO_STATUS(p)&0x0004)
 210#define IS_GERR(p)        (READ_AUDIO_STATUS(p)&0x0008) /* error ! */
 211#define IS_CMDAEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0010)
 212#define IS_CMDBEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0020)
 213#define IS_DATAFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0040)
 214#define IS_DATBFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0080)
 215#define IS_EOBIRQ(p)      (READ_AUDIO_STATUS(p)&0x0100) /* interrupt status */
 216#define IS_EOSIRQ(p)      (READ_AUDIO_STATUS(p)&0x0200)
 217#define IS_EOCIRQ(p)      (READ_AUDIO_STATUS(p)&0x0400)
 218#define IS_UNSLIRQ(p)     (READ_AUDIO_STATUS(p)&0x0800)
 219#define IS_SBIRQ(p)       (READ_AUDIO_STATUS(p)&0x1000)
 220#define IS_MPUIRQ(p)      (READ_AUDIO_STATUS(p)&0x2000)
 221
 222#define RESP 0x00000001         /* command flags */
 223#define PARM 0x00000002
 224#define CMDA 0x00000004
 225#define CMDB 0x00000008
 226#define NILL 0x00000000
 227
 228#define LONG0(a)   ((u32)a)     /* shifts and masks */
 229#define BYTE0(a)   (LONG0(a)&0xff)
 230#define BYTE1(a)   (BYTE0(a)<<8)
 231#define BYTE2(a)   (BYTE0(a)<<16)
 232#define BYTE3(a)   (BYTE0(a)<<24)
 233#define WORD0(a)   (LONG0(a)&0xffff)
 234#define WORD1(a)   (WORD0(a)<<8)
 235#define WORD2(a)   (WORD0(a)<<16)
 236#define TRINIB0(a) (LONG0(a)&0xffffff)
 237#define TRINIB1(a) (TRINIB0(a)<<8)
 238
 239#define RET(a)     ((union cmdret *)(a))
 240
 241#define SEND_GETV(p,b)             sendcmd(p,RESP,GETV,0,RET(b))        /* get version */
 242#define SEND_GETC(p,b,c)           sendcmd(p,PARM|RESP,GETC,c,RET(b))
 243#define SEND_GUNS(p,b)             sendcmd(p,RESP,GUNS,0,RET(b))
 244#define SEND_SCID(p,b)             sendcmd(p,RESP,SCID,0,RET(b))
 245#define SEND_RMEM(p,b,c,d)         sendcmd(p,PARM|RESP,RMEM|BYTE1(b),LONG0(c),RET(d))   /* memory access for firmware write */
 246#define SEND_SMEM(p,b,c)           sendcmd(p,PARM,SMEM|BYTE1(b),LONG0(c),RET(0))        /* memory access for firmware write */
 247#define SEND_WMEM(p,b,c)           sendcmd(p,PARM,WMEM|BYTE1(b),LONG0(c),RET(0))        /* memory access for firmware write */
 248#define SEND_SDTM(p,b,c)           sendcmd(p,PARM|RESP,SDTM|TRINIB1(b),0,RET(c))        /* memory access for firmware write */
 249#define SEND_GOTO(p,b)             sendcmd(p,PARM,GOTO,LONG0(b),RET(0)) /* memory access for firmware write */
 250#define SEND_SETDPLL(p)            sendcmd(p,0,ARM_SETDPLL,0,RET(0))
 251#define SEND_SSTR(p,b,c)           sendcmd(p,PARM,SSTR|BYTE3(b),LONG0(c),RET(0))        /* start stream */
 252#define SEND_PSTR(p,b)             sendcmd(p,PARM,PSTR,BYTE3(b),RET(0)) /* pause stream */
 253#define SEND_KSTR(p,b)             sendcmd(p,PARM,KSTR,BYTE3(b),RET(0)) /* stop stream */
 254#define SEND_KDMA(p)               sendcmd(p,0,KDMA,0,RET(0))   /* stop all dma */
 255#define SEND_GPOS(p,b,c,d)         sendcmd(p,PARM|RESP,GPOS,BYTE3(c)|BYTE2(b),RET(d))   /* get position in dma */
 256#define SEND_SETF(p,b,c,d,e,f,g)   sendcmd(p,PARM,SETF|WORD1(b)|BYTE3(c),d|BYTE1(e)|BYTE2(f)|BYTE3(g),RET(0))   /* set sample format at mixer */
 257#define SEND_GSTS(p,b,c,d)         sendcmd(p,PARM|RESP,GSTS,BYTE3(c)|BYTE2(b),RET(d))
 258#define SEND_NGPOS(p,b,c,d)        sendcmd(p,PARM|RESP,NGPOS,BYTE3(c)|BYTE2(b),RET(d))
 259#define SEND_PSEL(p,b,c)           sendcmd(p,PARM,PSEL,BYTE2(b)|BYTE3(c),RET(0))        /* activate lbus path */
 260#define SEND_PCLR(p,b,c)           sendcmd(p,PARM,PCLR,BYTE2(b)|BYTE3(c),RET(0))        /* deactivate lbus path */
 261#define SEND_PLST(p,b)             sendcmd(p,PARM,PLST,BYTE3(b),RET(0))
 262#define SEND_RSSV(p,b,c,d)         sendcmd(p,PARM|RESP,RSSV,BYTE2(b)|BYTE3(c),RET(d))
 263#define SEND_LSEL(p,b,c,d,e,f,g,h) sendcmd(p,PARM,LSEL|BYTE1(b)|BYTE2(c)|BYTE3(d),BYTE0(e)|BYTE1(f)|BYTE2(g)|BYTE3(h),RET(0))   /* select paths for internal connections */
 264#define SEND_SSRC(p,b,c,d,e)       sendcmd(p,PARM,SSRC|BYTE1(b)|WORD2(c),WORD0(d)|WORD2(e),RET(0))      /* configure source */
 265#define SEND_SLST(p,b)             sendcmd(p,PARM,SLST,BYTE3(b),RET(0))
 266#define SEND_RSRC(p,b,c)           sendcmd(p,RESP,RSRC|BYTE1(b),0,RET(c))       /* read source config */
 267#define SEND_SSRB(p,b,c)           sendcmd(p,PARM,SSRB|BYTE1(b),WORD2(c),RET(0))
 268#define SEND_SDGV(p,b,c,d,e)       sendcmd(p,PARM,SDGV|BYTE2(b)|BYTE3(c),WORD0(d)|WORD2(e),RET(0))      /* set digital mixer */
 269#define SEND_RDGV(p,b,c,d)         sendcmd(p,PARM|RESP,RDGV|BYTE2(b)|BYTE3(c),0,RET(d)) /* read digital mixer */
 270#define SEND_DLST(p,b)             sendcmd(p,PARM,DLST,BYTE3(b),RET(0))
 271#define SEND_SACR(p,b,c)           sendcmd(p,PARM,SACR,WORD0(b)|WORD2(c),RET(0))        /* set AC97 register */
 272#define SEND_RACR(p,b,c)           sendcmd(p,PARM|RESP,RACR,WORD2(b),RET(c))    /* get AC97 register */
 273#define SEND_ALST(p,b)             sendcmd(p,PARM,ALST,BYTE3(b),RET(0))
 274#define SEND_TXAC(p,b,c,d,e,f)     sendcmd(p,PARM,TXAC|BYTE1(b)|WORD2(c),WORD0(d)|BYTE2(e)|BYTE3(f),RET(0))
 275#define SEND_RXAC(p,b,c,d)         sendcmd(p,PARM|RESP,RXAC,BYTE2(b)|BYTE3(c),RET(d))
 276#define SEND_SI2S(p,b)             sendcmd(p,PARM,SI2S,WORD2(b),RET(0))
 277
 278#define EOB_STATUS         0x80000000   /* status flags : block boundary */
 279#define EOS_STATUS         0x40000000   /*              : stoppped */
 280#define EOC_STATUS         0x20000000   /*              : stream end */
 281#define ERR_STATUS         0x10000000
 282#define EMPTY_STATUS       0x08000000
 283
 284#define IEOB_ENABLE        0x1  /* enable interrupts for status notification above */
 285#define IEOS_ENABLE        0x2
 286#define IEOC_ENABLE        0x4
 287#define RDONCE             0x8
 288#define DESC_MAX_MASK      0xff
 289
 290#define ST_PLAY  0x1            /* stream states */
 291#define ST_STOP  0x2
 292#define ST_PAUSE 0x4
 293
 294#define I2S_INTDEC     3        /* config for I2S link */
 295#define I2S_MERGER     0
 296#define I2S_SPLITTER   0
 297#define I2S_MIXER      7
 298#define I2S_RATE       44100
 299
 300#define MODEM_INTDEC   4        /* config for modem link */
 301#define MODEM_MERGER   3
 302#define MODEM_SPLITTER 0
 303#define MODEM_MIXER    11
 304
 305#define FM_INTDEC      3        /* config for FM/OPL3 link */
 306#define FM_MERGER      0
 307#define FM_SPLITTER    0
 308#define FM_MIXER       9
 309
 310#define SPLIT_PATH  0x80        /* path splitting flag */
 311
 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        snd_assert(cif, return -EINVAL);
 869
 870        hwport = cif->hwport;
 871        if (cif->errcnt > MAX_ERROR_COUNT) {
 872                if (cif->is_reset) {
 873                        snd_printk(KERN_ERR
 874                                   "Riptide: Too many failed cmds, reinitializing\n");
 875                        if (riptide_reset(cif, NULL) == 0) {
 876                                cif->errcnt = 0;
 877                                return -EIO;
 878                        }
 879                }
 880                snd_printk(KERN_ERR "Riptide: Initialization failed.\n");
 881                return -EINVAL;
 882        }
 883        if (ret) {
 884                ret->retlongs[0] = 0;
 885                ret->retlongs[1] = 0;
 886        }
 887        i = 0;
 888        spin_lock_irqsave(&cif->lock, irqflags);
 889        while (i++ < CMDIF_TIMEOUT && !IS_READY(cif->hwport))
 890                udelay(10);
 891        if (i >= CMDIF_TIMEOUT) {
 892                err = -EBUSY;
 893                goto errout;
 894        }
 895
 896        err = 0;
 897        for (j = 0, time = 0; time < CMDIF_TIMEOUT; j++, time += 2) {
 898                cmdport = &(hwport->port[j % 2]);
 899                if (IS_DATF(cmdport)) { /* free pending data */
 900                        READ_PORT_ULONG(cmdport->data1);
 901                        READ_PORT_ULONG(cmdport->data2);
 902                }
 903                if (IS_CMDE(cmdport)) {
 904                        if (flags & PARM)       /* put data */
 905                                WRITE_PORT_ULONG(cmdport->data2, parm);
 906                        WRITE_PORT_ULONG(cmdport->data1, cmd);  /* write cmd */
 907                        if ((flags & RESP) && ret) {
 908                                while (!IS_DATF(cmdport) &&
 909                                       time++ < CMDIF_TIMEOUT)
 910                                        udelay(10);
 911                                if (time < CMDIF_TIMEOUT) {     /* read response */
 912                                        ret->retlongs[0] =
 913                                            READ_PORT_ULONG(cmdport->data1);
 914                                        ret->retlongs[1] =
 915                                            READ_PORT_ULONG(cmdport->data2);
 916                                } else {
 917                                        err = -ENOSYS;
 918                                        goto errout;
 919                                }
 920                        }
 921                        break;
 922                }
 923                udelay(20);
 924        }
 925        if (time == CMDIF_TIMEOUT) {
 926                err = -ENODATA;
 927                goto errout;
 928        }
 929        spin_unlock_irqrestore(&cif->lock, irqflags);
 930
 931        cif->cmdcnt++;          /* update command statistics */
 932        cif->cmdtime += time;
 933        if (time > cif->cmdtimemax)
 934                cif->cmdtimemax = time;
 935        if (time < cif->cmdtimemin)
 936                cif->cmdtimemin = time;
 937        if ((cif->cmdcnt) % 1000 == 0)
 938                snd_printdd
 939                    ("send cmd %d time: %d mintime: %d maxtime %d err: %d\n",
 940                     cif->cmdcnt, cif->cmdtime, cif->cmdtimemin,
 941                     cif->cmdtimemax, cif->errcnt);
 942        return 0;
 943
 944      errout:
 945        cif->errcnt++;
 946        spin_unlock_irqrestore(&cif->lock, irqflags);
 947        snd_printdd
 948            ("send cmd %d hw: 0x%x flag: 0x%x cmd: 0x%x parm: 0x%x ret: 0x%x 0x%x CMDE: %d DATF: %d failed %d\n",
 949             cif->cmdcnt, (int)((void *)&(cmdport->stat) - (void *)hwport),
 950             flags, cmd, parm, ret ? ret->retlongs[0] : 0,
 951             ret ? ret->retlongs[1] : 0, IS_CMDE(cmdport), IS_DATF(cmdport),
 952             err);
 953        return err;
 954}
 955
 956static int
 957setmixer(struct cmdif *cif, short num, unsigned short rval, unsigned short lval)
 958{
 959        union cmdret rptr = CMDRET_ZERO;
 960        int i = 0;
 961
 962        snd_printdd("sent mixer %d: 0x%d 0x%d\n", num, rval, lval);
 963        do {
 964                SEND_SDGV(cif, num, num, rval, lval);
 965                SEND_RDGV(cif, num, num, &rptr);
 966                if (rptr.retwords[0] == lval && rptr.retwords[1] == rval)
 967                        return 0;
 968        } while (i++ < MAX_WRITE_RETRY);
 969        snd_printdd("sent mixer failed\n");
 970        return -EIO;
 971}
 972
 973static int getpaths(struct cmdif *cif, unsigned char *o)
 974{
 975        unsigned char src[E2SINK_MAX];
 976        unsigned char sink[E2SINK_MAX];
 977        int i, j = 0;
 978
 979        for (i = 0; i < E2SINK_MAX; i++) {
 980                getsourcesink(cif, i, i, &src[i], &sink[i]);
 981                if (sink[i] < E2SINK_MAX) {
 982                        o[j++] = sink[i];
 983                        o[j++] = i;
 984                }
 985        }
 986        return j;
 987}
 988
 989static int
 990getsourcesink(struct cmdif *cif, unsigned char source, unsigned char sink,
 991              unsigned char *a, unsigned char *b)
 992{
 993        union cmdret rptr = CMDRET_ZERO;
 994
 995        if (SEND_RSSV(cif, source, sink, &rptr) &&
 996            SEND_RSSV(cif, source, sink, &rptr))
 997                return -EIO;
 998        *a = rptr.retbytes[0];
 999        *b = rptr.retbytes[1];
1000        snd_printdd("getsourcesink 0x%x 0x%x\n", *a, *b);
1001        return 0;
1002}
1003
1004static int
1005getsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int *rate)
1006{
1007        unsigned char *s;
1008        unsigned int p[2] = { 0, 0 };
1009        int i;
1010        union cmdret rptr = CMDRET_ZERO;
1011
1012        s = intdec;
1013        for (i = 0; i < 2; i++) {
1014                if (*s != 0xff) {
1015                        if (SEND_RSRC(cif, *s, &rptr) &&
1016                            SEND_RSRC(cif, *s, &rptr))
1017                                return -EIO;
1018                        p[i] += rptr.retwords[1];
1019                        p[i] *= rptr.retwords[2];
1020                        p[i] += rptr.retwords[3];
1021                        p[i] /= 65536;
1022                }
1023                s++;
1024        }
1025        if (p[0]) {
1026                if (p[1] != p[0])
1027                        snd_printdd("rates differ %d %d\n", p[0], p[1]);
1028                *rate = (unsigned int)p[0];
1029        } else
1030                *rate = (unsigned int)p[1];
1031        snd_printdd("getsampleformat %d %d %d\n", intdec[0], intdec[1], *rate);
1032        return 0;
1033}
1034
1035static int
1036setsampleformat(struct cmdif *cif,
1037                unsigned char mixer, unsigned char id,
1038                unsigned char channels, unsigned char format)
1039{
1040        unsigned char w, ch, sig, order;
1041
1042        snd_printdd
1043            ("setsampleformat mixer: %d id: %d channels: %d format: %d\n",
1044             mixer, id, channels, format);
1045        ch = channels == 1;
1046        w = snd_pcm_format_width(format) == 8;
1047        sig = snd_pcm_format_unsigned(format) != 0;
1048        order = snd_pcm_format_big_endian(format) != 0;
1049
1050        if (SEND_SETF(cif, mixer, w, ch, order, sig, id) &&
1051            SEND_SETF(cif, mixer, w, ch, order, sig, id)) {
1052                snd_printdd("setsampleformat failed\n");
1053                return -EIO;
1054        }
1055        return 0;
1056}
1057
1058static int
1059setsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int rate)
1060{
1061        u32 D, M, N;
1062        union cmdret rptr = CMDRET_ZERO;
1063        int i;
1064
1065        snd_printdd("setsamplerate intdec: %d,%d rate: %d\n", intdec[0],
1066                    intdec[1], rate);
1067        D = 48000;
1068        M = ((rate == 48000) ? 47999 : rate) * 65536;
1069        N = M % D;
1070        M /= D;
1071        for (i = 0; i < 2; i++) {
1072                if (*intdec != 0xff) {
1073                        do {
1074                                SEND_SSRC(cif, *intdec, D, M, N);
1075                                SEND_RSRC(cif, *intdec, &rptr);
1076                        } while (rptr.retwords[1] != D &&
1077                                 rptr.retwords[2] != M &&
1078                                 rptr.retwords[3] != N &&
1079                                 i++ < MAX_WRITE_RETRY);
1080                        if (i == MAX_WRITE_RETRY) {
1081                                snd_printdd("sent samplerate %d: %d failed\n",
1082                                            *intdec, rate);
1083                                return -EIO;
1084                        }
1085                }
1086                intdec++;
1087        }
1088        return 0;
1089}
1090
1091static int
1092getmixer(struct cmdif *cif, short num, unsigned short *rval,
1093         unsigned short *lval)
1094{
1095        union cmdret rptr = CMDRET_ZERO;
1096
1097        if (SEND_RDGV(cif, num, num, &rptr) && SEND_RDGV(cif, num, num, &rptr))
1098                return -EIO;
1099        *rval = rptr.retwords[0];
1100        *lval = rptr.retwords[1];
1101        snd_printdd("got mixer %d: 0x%d 0x%d\n", num, *rval, *lval);
1102        return 0;
1103}
1104
1105static void riptide_handleirq(unsigned long dev_id)
1106{
1107        struct snd_riptide *chip = (void *)dev_id;
1108        struct cmdif *cif = chip->cif;
1109        struct snd_pcm_substream *substream[PLAYBACK_SUBSTREAMS + 1];
1110        struct snd_pcm_runtime *runtime;
1111        struct pcmhw *data = NULL;
1112        unsigned int pos, period_bytes;
1113        struct sgd *c;
1114        int i, j;
1115        unsigned int flag;
1116
1117        if (!cif)
1118                return;
1119
1120        for (i = 0; i < PLAYBACK_SUBSTREAMS; i++)
1121                substream[i] = chip->playback_substream[i];
1122        substream[i] = chip->capture_substream;
1123        for (i = 0; i < PLAYBACK_SUBSTREAMS + 1; i++) {
1124                if (substream[i] &&
1125                    (runtime = substream[i]->runtime) &&
1126                    (data = runtime->private_data) && data->state != ST_STOP) {
1127                        pos = 0;
1128                        for (j = 0; j < data->pages; j++) {
1129                                c = &data->sgdbuf[j];
1130                                flag = le32_to_cpu(c->dwStat_Ctl);
1131                                if (flag & EOB_STATUS)
1132                                        pos += le32_to_cpu(c->dwSegLen);
1133                                if (flag & EOC_STATUS)
1134                                        pos += le32_to_cpu(c->dwSegLen);
1135                                if ((flag & EOS_STATUS)
1136                                    && (data->state == ST_PLAY)) {
1137                                        data->state = ST_STOP;
1138                                        snd_printk(KERN_ERR
1139                                                   "Riptide: DMA stopped unexpectedly\n");
1140                                }
1141                                c->dwStat_Ctl =
1142                                    cpu_to_le32(flag &
1143                                                ~(EOS_STATUS | EOB_STATUS |
1144                                                  EOC_STATUS));
1145                        }
1146                        data->pointer += pos;
1147                        pos += data->oldpos;
1148                        if (data->state != ST_STOP) {
1149                                period_bytes =
1150                                    frames_to_bytes(runtime,
1151                                                    runtime->period_size);
1152                                snd_printdd
1153                                    ("interrupt 0x%x after 0x%lx of 0x%lx frames in period\n",
1154                                     READ_AUDIO_STATUS(cif->hwport),
1155                                     bytes_to_frames(runtime, pos),
1156                                     runtime->period_size);
1157                                j = 0;
1158                                if (pos >= period_bytes) {
1159                                        j++;
1160                                        while (pos >= period_bytes)
1161                                                pos -= period_bytes;
1162                                }
1163                                data->oldpos = pos;
1164                                if (j > 0)
1165                                        snd_pcm_period_elapsed(substream[i]);
1166                        }
1167                }
1168        }
1169}
1170
1171#ifdef CONFIG_PM
1172static int riptide_suspend(struct pci_dev *pci, pm_message_t state)
1173{
1174        struct snd_card *card = pci_get_drvdata(pci);
1175        struct snd_riptide *chip = card->private_data;
1176
1177        chip->in_suspend = 1;
1178        snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1179        snd_pcm_suspend_all(chip->pcm);
1180        snd_ac97_suspend(chip->ac97);
1181        pci_disable_device(pci);
1182        pci_save_state(pci);
1183        pci_set_power_state(pci, pci_choose_state(pci, state));
1184        return 0;
1185}
1186
1187static int riptide_resume(struct pci_dev *pci)
1188{
1189        struct snd_card *card = pci_get_drvdata(pci);
1190        struct snd_riptide *chip = card->private_data;
1191
1192        pci_set_power_state(pci, PCI_D0);
1193        pci_restore_state(pci);
1194        if (pci_enable_device(pci) < 0) {
1195                printk(KERN_ERR "riptide: pci_enable_device failed, "
1196                       "disabling device\n");
1197                snd_card_disconnect(card);
1198                return -EIO;
1199        }
1200        pci_set_master(pci);
1201        snd_riptide_initialize(chip);
1202        snd_ac97_resume(chip->ac97);
1203        snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1204        chip->in_suspend = 0;
1205        return 0;
1206}
1207#endif
1208
1209static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip)
1210{
1211        int timeout, tries;
1212        union cmdret rptr = CMDRET_ZERO;
1213        union firmware_version firmware;
1214        int i, j, err, has_firmware;
1215
1216        if (!cif)
1217                return -EINVAL;
1218
1219        cif->cmdcnt = 0;
1220        cif->cmdtime = 0;
1221        cif->cmdtimemax = 0;
1222        cif->cmdtimemin = 0xffffffff;
1223        cif->errcnt = 0;
1224        cif->is_reset = 0;
1225
1226        tries = RESET_TRIES;
1227        has_firmware = 0;
1228        while (has_firmware == 0 && tries-- > 0) {
1229                for (i = 0; i < 2; i++) {
1230                        WRITE_PORT_ULONG(cif->hwport->port[i].data1, 0);
1231                        WRITE_PORT_ULONG(cif->hwport->port[i].data2, 0);
1232                }
1233                SET_GRESET(cif->hwport);
1234                udelay(100);
1235                UNSET_GRESET(cif->hwport);
1236                udelay(100);
1237
1238                for (timeout = 100000; --timeout; udelay(10)) {
1239                        if (IS_READY(cif->hwport) && !IS_GERR(cif->hwport))
1240                                break;
1241                }
1242                if (timeout == 0) {
1243                        snd_printk(KERN_ERR
1244                                   "Riptide: device not ready, audio status: 0x%x ready: %d gerr: %d\n",
1245                                   READ_AUDIO_STATUS(cif->hwport),
1246                                   IS_READY(cif->hwport), IS_GERR(cif->hwport));
1247                        return -EIO;
1248                } else {
1249                        snd_printdd
1250                            ("Riptide: audio status: 0x%x ready: %d gerr: %d\n",
1251                             READ_AUDIO_STATUS(cif->hwport),
1252                             IS_READY(cif->hwport), IS_GERR(cif->hwport));
1253                }
1254
1255                SEND_GETV(cif, &rptr);
1256                for (i = 0; i < 4; i++)
1257                        firmware.ret.retwords[i] = rptr.retwords[i];
1258
1259                snd_printdd
1260                    ("Firmware version: ASIC: %d CODEC %d AUXDSP %d PROG %d\n",
1261                     firmware.firmware.ASIC, firmware.firmware.CODEC,
1262                     firmware.firmware.AUXDSP, firmware.firmware.PROG);
1263
1264                for (j = 0; j < FIRMWARE_VERSIONS; j++) {
1265                        has_firmware = 1;
1266                        for (i = 0; i < 4; i++) {
1267                                if (firmware_versions[j].ret.retwords[i] !=
1268                                    firmware.ret.retwords[i])
1269                                        has_firmware = 0;
1270                        }
1271                        if (has_firmware)
1272                                break;
1273                }
1274
1275                if (chip != NULL && has_firmware == 0) {
1276                        snd_printdd("Writing Firmware\n");
1277                        if (!chip->fw_entry) {
1278                                if ((err =
1279                                     request_firmware(&chip->fw_entry,
1280                                                      "riptide.hex",
1281                                                      &chip->pci->dev)) != 0) {
1282                                        snd_printk(KERN_ERR
1283                                                   "Riptide: Firmware not available %d\n",
1284                                                   err);
1285                                        return -EIO;
1286                                }
1287                        }
1288                        err = loadfirmware(cif, chip->fw_entry->data,
1289                                           chip->fw_entry->size);
1290                        if (err)
1291                                snd_printk(KERN_ERR
1292                                           "Riptide: Could not load firmware %d\n",
1293                                           err);
1294                }
1295        }
1296
1297        SEND_SACR(cif, 0, AC97_RESET);
1298        SEND_RACR(cif, AC97_RESET, &rptr);
1299        snd_printdd("AC97: 0x%x 0x%x\n", rptr.retlongs[0], rptr.retlongs[1]);
1300
1301        SEND_PLST(cif, 0);
1302        SEND_SLST(cif, 0);
1303        SEND_DLST(cif, 0);
1304        SEND_ALST(cif, 0);
1305        SEND_KDMA(cif);
1306
1307        writearm(cif, 0x301F8, 1, 1);
1308        writearm(cif, 0x301F4, 1, 1);
1309
1310        SEND_LSEL(cif, MODEM_CMD, 0, 0, MODEM_INTDEC, MODEM_MERGER,
1311                  MODEM_SPLITTER, MODEM_MIXER);
1312        setmixer(cif, MODEM_MIXER, 0x7fff, 0x7fff);
1313        alloclbuspath(cif, ARM2LBUS_FIFO13, lbus_play_modem, NULL, NULL);
1314
1315        SEND_LSEL(cif, FM_CMD, 0, 0, FM_INTDEC, FM_MERGER, FM_SPLITTER,
1316                  FM_MIXER);
1317        setmixer(cif, FM_MIXER, 0x7fff, 0x7fff);
1318        writearm(cif, 0x30648 + FM_MIXER * 4, 0x01, 0x00000005);
1319        writearm(cif, 0x301A8, 0x02, 0x00000002);
1320        writearm(cif, 0x30264, 0x08, 0xffffffff);
1321        alloclbuspath(cif, OPL3_SAMPLE, lbus_play_opl3, NULL, NULL);
1322
1323        SEND_SSRC(cif, I2S_INTDEC, 48000,
1324                  ((u32) I2S_RATE * 65536) / 48000,
1325                  ((u32) I2S_RATE * 65536) % 48000);
1326        SEND_LSEL(cif, I2S_CMD0, 0, 0, I2S_INTDEC, I2S_MERGER, I2S_SPLITTER,
1327                  I2S_MIXER);
1328        SEND_SI2S(cif, 1);
1329        alloclbuspath(cif, ARM2LBUS_FIFO0, lbus_play_i2s, NULL, NULL);
1330        alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_out, NULL, NULL);
1331        alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_outhp, NULL, NULL);
1332
1333        SET_AIACK(cif->hwport);
1334        SET_AIE(cif->hwport);
1335        SET_AIACK(cif->hwport);
1336        cif->is_reset = 1;
1337        if (chip) {
1338                for (i = 0; i < 4; i++)
1339                        chip->firmware.ret.retwords[i] =
1340                            firmware.ret.retwords[i];
1341        }
1342
1343        return 0;
1344}
1345
1346static struct snd_pcm_hardware snd_riptide_playback = {
1347        .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1348                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1349                 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1350        .formats =
1351            SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1352            | SNDRV_PCM_FMTBIT_U16_LE,
1353        .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1354        .rate_min = 5500,
1355        .rate_max = 48000,
1356        .channels_min = 1,
1357        .channels_max = 2,
1358        .buffer_bytes_max = (64 * 1024),
1359        .period_bytes_min = PAGE_SIZE >> 1,
1360        .period_bytes_max = PAGE_SIZE << 8,
1361        .periods_min = 2,
1362        .periods_max = 64,
1363        .fifo_size = 0,
1364};
1365static struct snd_pcm_hardware snd_riptide_capture = {
1366        .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1367                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1368                 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1369        .formats =
1370            SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1371            | SNDRV_PCM_FMTBIT_U16_LE,
1372        .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1373        .rate_min = 5500,
1374        .rate_max = 48000,
1375        .channels_min = 1,
1376        .channels_max = 2,
1377        .buffer_bytes_max = (64 * 1024),
1378        .period_bytes_min = PAGE_SIZE >> 1,
1379        .period_bytes_max = PAGE_SIZE << 3,
1380        .periods_min = 2,
1381        .periods_max = 64,
1382        .fifo_size = 0,
1383};
1384
1385static snd_pcm_uframes_t snd_riptide_pointer(struct snd_pcm_substream
1386                                             *substream)
1387{
1388        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1389        struct snd_pcm_runtime *runtime = substream->runtime;
1390        struct pcmhw *data = get_pcmhwdev(substream);
1391        struct cmdif *cif = chip->cif;
1392        union cmdret rptr = CMDRET_ZERO;
1393        snd_pcm_uframes_t ret;
1394
1395        SEND_GPOS(cif, 0, data->id, &rptr);
1396        if (data->size && runtime->period_size) {
1397                snd_printdd
1398                    ("pointer stream %d position 0x%x(0x%x in buffer) bytes 0x%lx(0x%lx in period) frames\n",
1399                     data->id, rptr.retlongs[1], rptr.retlongs[1] % data->size,
1400                     bytes_to_frames(runtime, rptr.retlongs[1]),
1401                     bytes_to_frames(runtime,
1402                                     rptr.retlongs[1]) % runtime->period_size);
1403                if (rptr.retlongs[1] > data->pointer)
1404                        ret =
1405                            bytes_to_frames(runtime,
1406                                            rptr.retlongs[1] % data->size);
1407                else
1408                        ret =
1409                            bytes_to_frames(runtime,
1410                                            data->pointer % data->size);
1411        } else {
1412                snd_printdd("stream not started or strange parms (%d %ld)\n",
1413                            data->size, runtime->period_size);
1414                ret = bytes_to_frames(runtime, 0);
1415        }
1416        return ret;
1417}
1418
1419static int snd_riptide_trigger(struct snd_pcm_substream *substream, int cmd)
1420{
1421        int i, j;
1422        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1423        struct pcmhw *data = get_pcmhwdev(substream);
1424        struct cmdif *cif = chip->cif;
1425        union cmdret rptr = CMDRET_ZERO;
1426
1427        spin_lock(&chip->lock);
1428        switch (cmd) {
1429        case SNDRV_PCM_TRIGGER_START:
1430        case SNDRV_PCM_TRIGGER_RESUME:
1431                if (!(data->state & ST_PLAY)) {
1432                        SEND_SSTR(cif, data->id, data->sgdlist.addr);
1433                        SET_AIE(cif->hwport);
1434                        data->state = ST_PLAY;
1435                        if (data->mixer != 0xff)
1436                                setmixer(cif, data->mixer, 0x7fff, 0x7fff);
1437                        chip->openstreams++;
1438                        data->oldpos = 0;
1439                        data->pointer = 0;
1440                }
1441                break;
1442        case SNDRV_PCM_TRIGGER_STOP:
1443        case SNDRV_PCM_TRIGGER_SUSPEND:
1444                if (data->mixer != 0xff)
1445                        setmixer(cif, data->mixer, 0, 0);
1446                setmixer(cif, data->mixer, 0, 0);
1447                SEND_KSTR(cif, data->id);
1448                data->state = ST_STOP;
1449                chip->openstreams--;
1450                j = 0;
1451                do {
1452                        i = rptr.retlongs[1];
1453                        SEND_GPOS(cif, 0, data->id, &rptr);
1454                        udelay(1);
1455                } while (i != rptr.retlongs[1] && j++ < MAX_WRITE_RETRY);
1456                if (j >= MAX_WRITE_RETRY)
1457                        snd_printk(KERN_ERR "Riptide: Could not stop stream!");
1458                break;
1459        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1460                if (!(data->state & ST_PAUSE)) {
1461                        SEND_PSTR(cif, data->id);
1462                        data->state |= ST_PAUSE;
1463                        chip->openstreams--;
1464                }
1465                break;
1466        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1467                if (data->state & ST_PAUSE) {
1468                        SEND_SSTR(cif, data->id, data->sgdlist.addr);
1469                        data->state &= ~ST_PAUSE;
1470                        chip->openstreams++;
1471                }
1472                break;
1473        default:
1474                spin_unlock(&chip->lock);
1475                return -EINVAL;
1476        }
1477        spin_unlock(&chip->lock);
1478        return 0;
1479}
1480
1481static int snd_riptide_prepare(struct snd_pcm_substream *substream)
1482{
1483        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1484        struct snd_pcm_runtime *runtime = substream->runtime;
1485        struct snd_sg_buf *sgbuf = snd_pcm_substream_sgbuf(substream);
1486        struct pcmhw *data = get_pcmhwdev(substream);
1487        struct cmdif *cif = chip->cif;
1488        unsigned char *lbuspath = NULL;
1489        unsigned int rate, channels;
1490        int err = 0;
1491        snd_pcm_format_t format;
1492
1493        snd_assert(cif && data, return -EINVAL);
1494
1495        snd_printdd("prepare id %d ch: %d f:0x%x r:%d\n", data->id,
1496                    runtime->channels, runtime->format, runtime->rate);
1497
1498        spin_lock_irq(&chip->lock);
1499        channels = runtime->channels;
1500        format = runtime->format;
1501        rate = runtime->rate;
1502        switch (channels) {
1503        case 1:
1504                if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1505                        lbuspath = data->paths.noconv;
1506                else
1507                        lbuspath = data->paths.mono;
1508                break;
1509        case 2:
1510                if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1511                        lbuspath = data->paths.noconv;
1512                else
1513                        lbuspath = data->paths.stereo;
1514                break;
1515        }
1516        snd_printdd("use sgdlist at 0x%p and buffer at 0x%p\n",
1517                    data->sgdlist.area, sgbuf);
1518        if (data->sgdlist.area && sgbuf) {
1519                unsigned int i, j, size, pages, f, pt, period;
1520                struct sgd *c, *p = NULL;
1521
1522                size = frames_to_bytes(runtime, runtime->buffer_size);
1523                period = frames_to_bytes(runtime, runtime->period_size);
1524                f = PAGE_SIZE;
1525                while ((size + (f >> 1) - 1) <= (f << 7) && (f << 1) > period)
1526                        f = f >> 1;
1527                pages = (size + f - 1) / f;
1528                data->size = size;
1529                data->pages = pages;
1530                snd_printdd
1531                    ("create sgd size: 0x%x pages %d of size 0x%x for period 0x%x\n",
1532                     size, pages, f, period);
1533                pt = 0;
1534                j = 0;
1535                for (i = 0; i < pages; i++) {
1536                        c = &data->sgdbuf[i];
1537                        if (p)
1538                                p->dwNextLink = cpu_to_le32(data->sgdlist.addr +
1539                                                            (i *
1540                                                             sizeof(struct
1541                                                                    sgd)));
1542                        c->dwNextLink = cpu_to_le32(data->sgdlist.addr);
1543                        c->dwSegPtrPhys =
1544                            cpu_to_le32(sgbuf->table[j].addr + pt);
1545                        pt = (pt + f) % PAGE_SIZE;
1546                        if (pt == 0)
1547                                j++;
1548                        c->dwSegLen = cpu_to_le32(f);
1549                        c->dwStat_Ctl =
1550                            cpu_to_le32(IEOB_ENABLE | IEOS_ENABLE |
1551                                        IEOC_ENABLE);
1552                        p = c;
1553                        size -= f;
1554                }
1555                data->sgdbuf[i].dwSegLen = cpu_to_le32(size);
1556        }
1557        if (lbuspath && lbuspath != data->lbuspath) {
1558                if (data->lbuspath)
1559                        freelbuspath(cif, data->source, data->lbuspath);
1560                alloclbuspath(cif, data->source, lbuspath,
1561                              &data->mixer, data->intdec);
1562                data->lbuspath = lbuspath;
1563                data->rate = 0;
1564        }
1565        if (data->rate != rate || data->format != format ||
1566            data->channels != channels) {
1567                data->rate = rate;
1568                data->format = format;
1569                data->channels = channels;
1570                if (setsampleformat
1571                    (cif, data->mixer, data->id, channels, format)
1572                    || setsamplerate(cif, data->intdec, rate))
1573                        err = -EIO;
1574        }
1575        spin_unlock_irq(&chip->lock);
1576        return err;
1577}
1578
1579static int
1580snd_riptide_hw_params(struct snd_pcm_substream *substream,
1581                      struct snd_pcm_hw_params *hw_params)
1582{
1583        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1584        struct pcmhw *data = get_pcmhwdev(substream);
1585        struct snd_dma_buffer *sgdlist = &data->sgdlist;
1586        int err;
1587
1588        snd_printdd("hw params id %d (sgdlist: 0x%p 0x%lx %d)\n", data->id,
1589                    sgdlist->area, (unsigned long)sgdlist->addr,
1590                    (int)sgdlist->bytes);
1591        if (sgdlist->area)
1592                snd_dma_free_pages(sgdlist);
1593        if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
1594                                       snd_dma_pci_data(chip->pci),
1595                                       sizeof(struct sgd) * (DESC_MAX_MASK + 1),
1596                                       sgdlist)) < 0) {
1597                snd_printk(KERN_ERR "Riptide: failed to alloc %d dma bytes\n",
1598                           (int)sizeof(struct sgd) * (DESC_MAX_MASK + 1));
1599                return err;
1600        }
1601        data->sgdbuf = (struct sgd *)sgdlist->area;
1602        return snd_pcm_lib_malloc_pages(substream,
1603                                        params_buffer_bytes(hw_params));
1604}
1605
1606static int snd_riptide_hw_free(struct snd_pcm_substream *substream)
1607{
1608        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1609        struct pcmhw *data = get_pcmhwdev(substream);
1610        struct cmdif *cif = chip->cif;
1611
1612        if (cif && data) {
1613                if (data->lbuspath)
1614                        freelbuspath(cif, data->source, data->lbuspath);
1615                data->lbuspath = NULL;
1616                data->source = 0xff;
1617                data->intdec[0] = 0xff;
1618                data->intdec[1] = 0xff;
1619
1620                if (data->sgdlist.area) {
1621                        snd_dma_free_pages(&data->sgdlist);
1622                        data->sgdlist.area = NULL;
1623                }
1624        }
1625        return snd_pcm_lib_free_pages(substream);
1626}
1627
1628static int snd_riptide_playback_open(struct snd_pcm_substream *substream)
1629{
1630        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1631        struct snd_pcm_runtime *runtime = substream->runtime;
1632        struct pcmhw *data;
1633        int sub_num = substream->number;
1634
1635        chip->playback_substream[sub_num] = substream;
1636        runtime->hw = snd_riptide_playback;
1637        data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1638        data->paths = lbus_play_paths[sub_num];
1639        data->id = play_ids[sub_num];
1640        data->source = play_sources[sub_num];
1641        data->intdec[0] = 0xff;
1642        data->intdec[1] = 0xff;
1643        data->state = ST_STOP;
1644        runtime->private_data = data;
1645        return snd_pcm_hw_constraint_integer(runtime,
1646                                             SNDRV_PCM_HW_PARAM_PERIODS);
1647}
1648
1649static int snd_riptide_capture_open(struct snd_pcm_substream *substream)
1650{
1651        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1652        struct snd_pcm_runtime *runtime = substream->runtime;
1653        struct pcmhw *data;
1654
1655        chip->capture_substream = substream;
1656        runtime->hw = snd_riptide_capture;
1657        data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1658        data->paths = lbus_rec_path;
1659        data->id = PADC;
1660        data->source = ACLNK2PADC;
1661        data->intdec[0] = 0xff;
1662        data->intdec[1] = 0xff;
1663        data->state = ST_STOP;
1664        runtime->private_data = data;
1665        return snd_pcm_hw_constraint_integer(runtime,
1666                                             SNDRV_PCM_HW_PARAM_PERIODS);
1667}
1668
1669static int snd_riptide_playback_close(struct snd_pcm_substream *substream)
1670{
1671        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1672        struct pcmhw *data = get_pcmhwdev(substream);
1673        int sub_num = substream->number;
1674
1675        substream->runtime->private_data = NULL;
1676        chip->playback_substream[sub_num] = NULL;
1677        kfree(data);
1678        return 0;
1679}
1680
1681static int snd_riptide_capture_close(struct snd_pcm_substream *substream)
1682{
1683        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1684        struct pcmhw *data = get_pcmhwdev(substream);
1685
1686        substream->runtime->private_data = NULL;
1687        chip->capture_substream = NULL;
1688        kfree(data);
1689        return 0;
1690}
1691
1692static struct snd_pcm_ops snd_riptide_playback_ops = {
1693        .open = snd_riptide_playback_open,
1694        .close = snd_riptide_playback_close,
1695        .ioctl = snd_pcm_lib_ioctl,
1696        .hw_params = snd_riptide_hw_params,
1697        .hw_free = snd_riptide_hw_free,
1698        .prepare = snd_riptide_prepare,
1699        .page = snd_pcm_sgbuf_ops_page,
1700        .trigger = snd_riptide_trigger,
1701        .pointer = snd_riptide_pointer,
1702};
1703static struct snd_pcm_ops snd_riptide_capture_ops = {
1704        .open = snd_riptide_capture_open,
1705        .close = snd_riptide_capture_close,
1706        .ioctl = snd_pcm_lib_ioctl,
1707        .hw_params = snd_riptide_hw_params,
1708        .hw_free = snd_riptide_hw_free,
1709        .prepare = snd_riptide_prepare,
1710        .page = snd_pcm_sgbuf_ops_page,
1711        .trigger = snd_riptide_trigger,
1712        .pointer = snd_riptide_pointer,
1713};
1714
1715static int __devinit
1716snd_riptide_pcm(struct snd_riptide *chip, int device, struct snd_pcm **rpcm)
1717{
1718        struct snd_pcm *pcm;
1719        int err;
1720
1721        if (rpcm)
1722                *rpcm = NULL;
1723        if ((err =
1724             snd_pcm_new(chip->card, "RIPTIDE", device, PLAYBACK_SUBSTREAMS, 1,
1725                         &pcm)) < 0)
1726                return err;
1727        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1728                        &snd_riptide_playback_ops);
1729        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1730                        &snd_riptide_capture_ops);
1731        pcm->private_data = chip;
1732        pcm->info_flags = 0;
1733        strcpy(pcm->name, "RIPTIDE");
1734        chip->pcm = pcm;
1735        snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1736                                              snd_dma_pci_data(chip->pci),
1737                                              64 * 1024, 128 * 1024);
1738        if (rpcm)
1739                *rpcm = pcm;
1740        return 0;
1741}
1742
1743static irqreturn_t
1744snd_riptide_interrupt(int irq, void *dev_id)
1745{
1746        struct snd_riptide *chip = dev_id;
1747        struct cmdif *cif = chip->cif;
1748
1749        if (cif) {
1750                chip->received_irqs++;
1751                if (IS_EOBIRQ(cif->hwport) || IS_EOSIRQ(cif->hwport) ||
1752                    IS_EOCIRQ(cif->hwport)) {
1753                        chip->handled_irqs++;
1754                        tasklet_hi_schedule(&chip->riptide_tq);
1755                }
1756                if (chip->rmidi && IS_MPUIRQ(cif->hwport)) {
1757                        chip->handled_irqs++;
1758                        snd_mpu401_uart_interrupt(irq,
1759                                                  chip->rmidi->private_data);
1760                }
1761                SET_AIACK(cif->hwport);
1762        }
1763        return IRQ_HANDLED;
1764}
1765
1766static void
1767snd_riptide_codec_write(struct snd_ac97 *ac97, unsigned short reg,
1768                        unsigned short val)
1769{
1770        struct snd_riptide *chip = ac97->private_data;
1771        struct cmdif *cif = chip->cif;
1772        union cmdret rptr = CMDRET_ZERO;
1773        int i = 0;
1774
1775        snd_assert(cif, return);
1776
1777        snd_printdd("Write AC97 reg 0x%x 0x%x\n", reg, val);
1778        do {
1779                SEND_SACR(cif, val, reg);
1780                SEND_RACR(cif, reg, &rptr);
1781        } while (rptr.retwords[1] != val && i++ < MAX_WRITE_RETRY);
1782        if (i == MAX_WRITE_RETRY)
1783                snd_printdd("Write AC97 reg failed\n");
1784}
1785
1786static unsigned short snd_riptide_codec_read(struct snd_ac97 *ac97,
1787                                             unsigned short reg)
1788{
1789        struct snd_riptide *chip = ac97->private_data;
1790        struct cmdif *cif = chip->cif;
1791        union cmdret rptr = CMDRET_ZERO;
1792
1793        snd_assert(cif, return 0);
1794
1795        if (SEND_RACR(cif, reg, &rptr) != 0)
1796                SEND_RACR(cif, reg, &rptr);
1797        snd_printdd("Read AC97 reg 0x%x got 0x%x\n", reg, rptr.retwords[1]);
1798        return rptr.retwords[1];
1799}
1800
1801static int snd_riptide_initialize(struct snd_riptide *chip)
1802{
1803        struct cmdif *cif;
1804        unsigned int device_id;
1805        int err;
1806
1807        snd_assert(chip, return -EINVAL);
1808
1809        cif = chip->cif;
1810        if (!cif) {
1811                if ((cif = kzalloc(sizeof(struct cmdif), GFP_KERNEL)) == NULL)
1812                        return -ENOMEM;
1813                cif->hwport = (struct riptideport *)chip->port;
1814                spin_lock_init(&cif->lock);
1815                chip->cif = cif;
1816        }
1817        cif->is_reset = 0;
1818        if ((err = riptide_reset(cif, chip)) != 0)
1819                return err;
1820        device_id = chip->device_id;
1821        switch (device_id) {
1822        case 0x4310:
1823        case 0x4320:
1824        case 0x4330:
1825                snd_printdd("Modem enable?\n");
1826                SEND_SETDPLL(cif);
1827                break;
1828        }
1829        snd_printdd("Enabling MPU IRQs\n");
1830        if (chip->rmidi)
1831                SET_EMPUIRQ(cif->hwport);
1832        return err;
1833}
1834
1835static int snd_riptide_free(struct snd_riptide *chip)
1836{
1837        struct cmdif *cif;
1838
1839        snd_assert(chip, return 0);
1840
1841        if ((cif = chip->cif)) {
1842                SET_GRESET(cif->hwport);
1843                udelay(100);
1844                UNSET_GRESET(cif->hwport);
1845                kfree(chip->cif);
1846        }
1847        if (chip->irq >= 0)
1848                free_irq(chip->irq, chip);
1849        if (chip->fw_entry)
1850                release_firmware(chip->fw_entry);
1851        release_and_free_resource(chip->res_port);
1852        kfree(chip);
1853        return 0;
1854}
1855
1856static int snd_riptide_dev_free(struct snd_device *device)
1857{
1858        struct snd_riptide *chip = device->device_data;
1859
1860        return snd_riptide_free(chip);
1861}
1862
1863static int __devinit
1864snd_riptide_create(struct snd_card *card, struct pci_dev *pci,
1865                   struct snd_riptide **rchip)
1866{
1867        struct snd_riptide *chip;
1868        struct riptideport *hwport;
1869        int err;
1870        static struct snd_device_ops ops = {
1871                .dev_free = snd_riptide_dev_free,
1872        };
1873
1874        *rchip = NULL;
1875        if ((err = pci_enable_device(pci)) < 0)
1876                return err;
1877        if (!(chip = kzalloc(sizeof(struct snd_riptide), GFP_KERNEL)))
1878                return -ENOMEM;
1879
1880        spin_lock_init(&chip->lock);
1881        chip->card = card;
1882        chip->pci = pci;
1883        chip->irq = -1;
1884        chip->openstreams = 0;
1885        chip->port = pci_resource_start(pci, 0);
1886        chip->received_irqs = 0;
1887        chip->handled_irqs = 0;
1888        chip->cif = NULL;
1889        tasklet_init(&chip->riptide_tq, riptide_handleirq, (unsigned long)chip);
1890
1891        if ((chip->res_port =
1892             request_region(chip->port, 64, "RIPTIDE")) == NULL) {
1893                snd_printk(KERN_ERR
1894                           "Riptide: unable to grab region 0x%lx-0x%lx\n",
1895                           chip->port, chip->port + 64 - 1);
1896                snd_riptide_free(chip);
1897                return -EBUSY;
1898        }
1899        hwport = (struct riptideport *)chip->port;
1900        UNSET_AIE(hwport);
1901
1902        if (request_irq(pci->irq, snd_riptide_interrupt, IRQF_SHARED,
1903                        "RIPTIDE", chip)) {
1904                snd_printk(KERN_ERR "Riptide: unable to grab IRQ %d\n",
1905                           pci->irq);
1906                snd_riptide_free(chip);
1907                return -EBUSY;
1908        }
1909        chip->irq = pci->irq;
1910        chip->device_id = pci->device;
1911        pci_set_master(pci);
1912        if ((err = snd_riptide_initialize(chip)) < 0) {
1913                snd_riptide_free(chip);
1914                return err;
1915        }
1916
1917        if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1918                snd_riptide_free(chip);
1919                return err;
1920        }
1921
1922        snd_card_set_dev(card, &pci->dev);
1923
1924        *rchip = chip;
1925        return 0;
1926}
1927
1928static void
1929snd_riptide_proc_read(struct snd_info_entry *entry,
1930                      struct snd_info_buffer *buffer)
1931{
1932        struct snd_riptide *chip = entry->private_data;
1933        struct pcmhw *data;
1934        int i;
1935        struct cmdif *cif = NULL;
1936        unsigned char p[256];
1937        unsigned short rval = 0, lval = 0;
1938        unsigned int rate;
1939
1940        if (!chip)
1941                return;
1942
1943        snd_iprintf(buffer, "%s\n\n", chip->card->longname);
1944        snd_iprintf(buffer, "Device ID: 0x%x\nReceived IRQs: (%ld)%ld\nPorts:",
1945                    chip->device_id, chip->handled_irqs, chip->received_irqs);
1946        for (i = 0; i < 64; i += 4)
1947                snd_iprintf(buffer, "%c%02x: %08x",
1948                            (i % 16) ? ' ' : '\n', i, inl(chip->port + i));
1949        if ((cif = chip->cif)) {
1950                snd_iprintf(buffer,
1951                            "\nVersion: ASIC: %d CODEC: %d AUXDSP: %d PROG: %d",
1952                            chip->firmware.firmware.ASIC,
1953                            chip->firmware.firmware.CODEC,
1954                            chip->firmware.firmware.AUXDSP,
1955                            chip->firmware.firmware.PROG);
1956                snd_iprintf(buffer, "\nDigital mixer:");
1957                for (i = 0; i < 12; i++) {
1958                        getmixer(cif, i, &rval, &lval);
1959                        snd_iprintf(buffer, "\n %d: %d %d", i, rval, lval);
1960                }
1961                snd_iprintf(buffer,
1962                            "\nARM Commands num: %d failed: %d time: %d max: %d min: %d",
1963                            cif->cmdcnt, cif->errcnt,
1964                            cif->cmdtime, cif->cmdtimemax, cif->cmdtimemin);
1965        }
1966        snd_iprintf(buffer, "\nOpen streams %d:\n", chip->openstreams);
1967        for (i = 0; i < PLAYBACK_SUBSTREAMS; i++) {
1968                if (chip->playback_substream[i]
1969                    && chip->playback_substream[i]->runtime
1970                    && (data =
1971                        chip->playback_substream[i]->runtime->private_data)) {
1972                        snd_iprintf(buffer,
1973                                    "stream: %d mixer: %d source: %d (%d,%d)\n",
1974                                    data->id, data->mixer, data->source,
1975                                    data->intdec[0], data->intdec[1]);
1976                        if (!(getsamplerate(cif, data->intdec, &rate)))
1977                                snd_iprintf(buffer, "rate: %d\n", rate);
1978                }
1979        }
1980        if (chip->capture_substream
1981            && chip->capture_substream->runtime
1982            && (data = chip->capture_substream->runtime->private_data)) {
1983                snd_iprintf(buffer,
1984                            "stream: %d mixer: %d source: %d (%d,%d)\n",
1985                            data->id, data->mixer,
1986                            data->source, data->intdec[0], data->intdec[1]);
1987                if (!(getsamplerate(cif, data->intdec, &rate)))
1988                        snd_iprintf(buffer, "rate: %d\n", rate);
1989        }
1990        snd_iprintf(buffer, "Paths:\n");
1991        i = getpaths(cif, p);
1992        while (i--) {
1993                snd_iprintf(buffer, "%x->%x ", p[i - 1], p[i]);
1994                i--;
1995        }
1996        snd_iprintf(buffer, "\n");
1997}
1998
1999static void __devinit snd_riptide_proc_init(struct snd_riptide *chip)
2000{
2001        struct snd_info_entry *entry;
2002
2003        if (!snd_card_proc_new(chip->card, "riptide", &entry))
2004                snd_info_set_text_ops(entry, chip, snd_riptide_proc_read);
2005}
2006
2007static int __devinit snd_riptide_mixer(struct snd_riptide *chip)
2008{
2009        struct snd_ac97_bus *pbus;
2010        struct snd_ac97_template ac97;
2011        int err = 0;
2012        static struct snd_ac97_bus_ops ops = {
2013                .write = snd_riptide_codec_write,
2014                .read = snd_riptide_codec_read,
2015        };
2016
2017        memset(&ac97, 0, sizeof(ac97));
2018        ac97.private_data = chip;
2019        ac97.scaps = AC97_SCAP_SKIP_MODEM;
2020
2021        if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0)
2022                return err;
2023
2024        chip->ac97_bus = pbus;
2025        ac97.pci = chip->pci;
2026        if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97)) < 0)
2027                return err;
2028        return err;
2029}
2030
2031#ifdef SUPPORT_JOYSTICK
2032static int have_joystick;
2033static struct pci_dev *riptide_gameport_pci;
2034static struct gameport *riptide_gameport;
2035
2036static int __devinit
2037snd_riptide_joystick_probe(struct pci_dev *pci, const struct pci_device_id *id)
2038{
2039        static int dev;
2040
2041        if (dev >= SNDRV_CARDS)
2042                return -ENODEV;
2043        if (!enable[dev]) {
2044                dev++;
2045                return -ENOENT;
2046        }
2047
2048        if (joystick_port[dev]) {
2049                riptide_gameport = gameport_allocate_port();
2050                if (riptide_gameport) {
2051                        if (!request_region
2052                            (joystick_port[dev], 8, "Riptide gameport")) {
2053                                snd_printk(KERN_WARNING
2054                                           "Riptide: cannot grab gameport 0x%x\n",
2055                                           joystick_port[dev]);
2056                                gameport_free_port(riptide_gameport);
2057                                riptide_gameport = NULL;
2058                        } else {
2059                                riptide_gameport_pci = pci;
2060                                riptide_gameport->io = joystick_port[dev];
2061                                gameport_register_port(riptide_gameport);
2062                        }
2063                }
2064        }
2065        dev++;
2066        return 0;
2067}
2068
2069static void __devexit snd_riptide_joystick_remove(struct pci_dev *pci)
2070{
2071        if (riptide_gameport) {
2072                if (riptide_gameport_pci == pci) {
2073                        release_region(riptide_gameport->io, 8);
2074                        riptide_gameport_pci = NULL;
2075                        gameport_unregister_port(riptide_gameport);
2076                        riptide_gameport = NULL;
2077                }
2078        }
2079}
2080#endif
2081
2082static int __devinit
2083snd_card_riptide_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2084{
2085        static int dev;
2086        struct snd_card *card;
2087        struct snd_riptide *chip;
2088        unsigned short addr;
2089        int err = 0;
2090
2091        if (dev >= SNDRV_CARDS)
2092                return -ENODEV;
2093        if (!enable[dev]) {
2094                dev++;
2095                return -ENOENT;
2096        }
2097
2098        card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2099        if (card == NULL)
2100                return -ENOMEM;
2101        if ((err = snd_riptide_create(card, pci, &chip)) < 0) {
2102                snd_card_free(card);
2103                return err;
2104        }
2105        card->private_data = chip;
2106        if ((err = snd_riptide_pcm(chip, 0, NULL)) < 0) {
2107                snd_card_free(card);
2108                return err;
2109        }
2110        if ((err = snd_riptide_mixer(chip)) < 0) {
2111                snd_card_free(card);
2112                return err;
2113        }
2114        pci_write_config_word(chip->pci, PCI_EXT_Legacy_Mask, LEGACY_ENABLE_ALL
2115                              | (opl3_port[dev] ? LEGACY_ENABLE_FM : 0)
2116#ifdef SUPPORT_JOYSTICK
2117                              | (joystick_port[dev] ? LEGACY_ENABLE_GAMEPORT :
2118                                 0)
2119#endif
2120                              | (mpu_port[dev]
2121                                 ? (LEGACY_ENABLE_MPU_INT | LEGACY_ENABLE_MPU) :
2122                                 0)
2123                              | ((chip->irq << 4) & 0xF0));
2124        if ((addr = mpu_port[dev]) != 0) {
2125                pci_write_config_word(chip->pci, PCI_EXT_MPU_Base, addr);
2126                if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_RIPTIDE,
2127                                               addr, 0, chip->irq, 0,
2128                                               &chip->rmidi)) < 0)
2129                        snd_printk(KERN_WARNING
2130                                   "Riptide: Can't Allocate MPU at 0x%x\n",
2131                                   addr);
2132                else
2133                        chip->mpuaddr = addr;
2134        }
2135        if ((addr = opl3_port[dev]) != 0) {
2136                pci_write_config_word(chip->pci, PCI_EXT_FM_Base, addr);
2137                if ((err = snd_opl3_create(card, addr, addr + 2,
2138                                           OPL3_HW_RIPTIDE, 0,
2139                                           &chip->opl3)) < 0)
2140                        snd_printk(KERN_WARNING
2141                                   "Riptide: Can't Allocate OPL3 at 0x%x\n",
2142                                   addr);
2143                else {
2144                        chip->opladdr = addr;
2145                        if ((err =
2146                             snd_opl3_hwdep_new(chip->opl3, 0, 1, NULL)) < 0)
2147                                snd_printk(KERN_WARNING
2148                                           "Riptide: Can't Allocate OPL3-HWDEP\n");
2149                }
2150        }
2151#ifdef SUPPORT_JOYSTICK
2152        if ((addr = joystick_port[dev]) != 0) {
2153                pci_write_config_word(chip->pci, PCI_EXT_Game_Base, addr);
2154                chip->gameaddr = addr;
2155        }
2156#endif
2157
2158        strcpy(card->driver, "RIPTIDE");
2159        strcpy(card->shortname, "Riptide");
2160#ifdef SUPPORT_JOYSTICK
2161        snprintf(card->longname, sizeof(card->longname),
2162                 "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x gameport 0x%x",
2163                 card->shortname, chip->port, chip->irq, chip->mpuaddr,
2164                 chip->opladdr, chip->gameaddr);
2165#else
2166        snprintf(card->longname, sizeof(card->longname),
2167                 "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x",
2168                 card->shortname, chip->port, chip->irq, chip->mpuaddr,
2169                 chip->opladdr);
2170#endif
2171        snd_riptide_proc_init(chip);
2172        if ((err = snd_card_register(card)) < 0) {
2173                snd_card_free(card);
2174                return err;
2175        }
2176        pci_set_drvdata(pci, card);
2177        dev++;
2178        return 0;
2179}
2180
2181static void __devexit snd_card_riptide_remove(struct pci_dev *pci)
2182{
2183        snd_card_free(pci_get_drvdata(pci));
2184        pci_set_drvdata(pci, NULL);
2185}
2186
2187static struct pci_driver driver = {
2188        .name = "RIPTIDE",
2189        .id_table = snd_riptide_ids,
2190        .probe = snd_card_riptide_probe,
2191        .remove = __devexit_p(snd_card_riptide_remove),
2192#ifdef CONFIG_PM
2193        .suspend = riptide_suspend,
2194        .resume = riptide_resume,
2195#endif
2196};
2197
2198#ifdef SUPPORT_JOYSTICK
2199static struct pci_driver joystick_driver = {
2200        .name = "Riptide Joystick",
2201        .id_table = snd_riptide_joystick_ids,
2202        .probe = snd_riptide_joystick_probe,
2203        .remove = __devexit_p(snd_riptide_joystick_remove),
2204};
2205#endif
2206
2207static int __init alsa_card_riptide_init(void)
2208{
2209        int err;
2210        if ((err = pci_register_driver(&driver)) < 0)
2211                return err;
2212#if defined(SUPPORT_JOYSTICK)
2213        if (pci_register_driver(&joystick_driver) < 0) {
2214                have_joystick = 0;
2215                snd_printk(KERN_INFO "no joystick found\n");
2216        } else
2217                have_joystick = 1;
2218#endif
2219        return 0;
2220}
2221
2222static void __exit alsa_card_riptide_exit(void)
2223{
2224        pci_unregister_driver(&driver);
2225#if defined(SUPPORT_JOYSTICK)
2226        if (have_joystick)
2227                pci_unregister_driver(&joystick_driver);
2228#endif
2229}
2230
2231module_init(alsa_card_riptide_init);
2232module_exit(alsa_card_riptide_exit);
2233
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