linux/sound/pci/riptide/riptide.c
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   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 *   Driver for the Conexant Riptide Soundchip
   4 *
   5 *      Copyright (c) 2004 Peter Gruber <nokos@gmx.net>
   6 */
   7/*
   8  History:
   9   - 02/15/2004 first release
  10   
  11  This Driver is based on the OSS Driver version from Linuxant (riptide-0.6lnxtbeta03111100)
  12  credits from the original files:
  13  
  14  MODULE NAME:        cnxt_rt.h                       
  15  AUTHOR:             K. Lazarev  (Transcribed by KNL)
  16  HISTORY:         Major Revision               Date        By
  17            -----------------------------     --------     -----
  18            Created                           02/1/2000     KNL
  19
  20  MODULE NAME:     int_mdl.c                       
  21  AUTHOR:          Konstantin Lazarev    (Transcribed by KNL)
  22  HISTORY:         Major Revision               Date        By
  23            -----------------------------     --------     -----
  24            Created                           10/01/99      KNL
  25            
  26  MODULE NAME:        riptide.h                       
  27  AUTHOR:             O. Druzhinin  (Transcribed by OLD)
  28  HISTORY:         Major Revision               Date        By
  29            -----------------------------     --------     -----
  30            Created                           10/16/97      OLD
  31
  32  MODULE NAME:        Rp_Cmdif.cpp                       
  33  AUTHOR:             O. Druzhinin  (Transcribed by OLD)
  34                      K. Lazarev    (Transcribed by KNL)
  35  HISTORY:         Major Revision               Date        By
  36            -----------------------------     --------     -----
  37            Adopted from NT4 driver            6/22/99      OLD
  38            Ported to Linux                    9/01/99      KNL
  39
  40  MODULE NAME:        rt_hw.c                       
  41  AUTHOR:             O. Druzhinin  (Transcribed by OLD)
  42                      C. Lazarev    (Transcribed by CNL)
  43  HISTORY:         Major Revision               Date        By
  44            -----------------------------     --------     -----
  45            Created                           11/18/97      OLD
  46            Hardware functions for RipTide    11/24/97      CNL
  47            (ES1) are coded
  48            Hardware functions for RipTide    12/24/97      CNL
  49            (A0) are coded
  50            Hardware functions for RipTide    03/20/98      CNL
  51            (A1) are coded
  52            Boot loader is included           05/07/98      CNL
  53            Redesigned for WDM                07/27/98      CNL
  54            Redesigned for Linux              09/01/99      CNL
  55
  56  MODULE NAME:        rt_hw.h
  57  AUTHOR:             C. Lazarev    (Transcribed by CNL)
  58  HISTORY:         Major Revision               Date        By
  59            -----------------------------     --------     -----
  60            Created                           11/18/97      CNL
  61
  62  MODULE NAME:     rt_mdl.c                       
  63  AUTHOR:          Konstantin Lazarev    (Transcribed by KNL)
  64  HISTORY:         Major Revision               Date        By
  65            -----------------------------     --------     -----
  66            Created                           10/01/99      KNL
  67
  68  MODULE NAME:        mixer.h                        
  69  AUTHOR:             K. Kenney
  70  HISTORY:         Major Revision                   Date          By
  71            -----------------------------          --------     -----
  72            Created from MS W95 Sample             11/28/95      KRS
  73            RipTide                                10/15/97      KRS
  74            Adopted for Windows NT driver          01/20/98      CNL
  75*/
  76
  77#include <linux/delay.h>
  78#include <linux/init.h>
  79#include <linux/interrupt.h>
  80#include <linux/pci.h>
  81#include <linux/slab.h>
  82#include <linux/wait.h>
  83#include <linux/gameport.h>
  84#include <linux/device.h>
  85#include <linux/firmware.h>
  86#include <linux/kernel.h>
  87#include <linux/module.h>
  88#include <linux/io.h>
  89#include <sound/core.h>
  90#include <sound/info.h>
  91#include <sound/control.h>
  92#include <sound/pcm.h>
  93#include <sound/pcm_params.h>
  94#include <sound/ac97_codec.h>
  95#include <sound/mpu401.h>
  96#include <sound/opl3.h>
  97#include <sound/initval.h>
  98
  99#if IS_REACHABLE(CONFIG_GAMEPORT)
 100#define SUPPORT_JOYSTICK 1
 101#endif
 102
 103MODULE_AUTHOR("Peter Gruber <nokos@gmx.net>");
 104MODULE_DESCRIPTION("riptide");
 105MODULE_LICENSE("GPL");
 106MODULE_FIRMWARE("riptide.hex");
 107
 108static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
 109static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
 110static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
 111
 112#ifdef SUPPORT_JOYSTICK
 113static int joystick_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x200 };
 114#endif
 115static int mpu_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x330 };
 116static int opl3_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x388 };
 117
 118module_param_array(index, int, NULL, 0444);
 119MODULE_PARM_DESC(index, "Index value for Riptide soundcard.");
 120module_param_array(id, charp, NULL, 0444);
 121MODULE_PARM_DESC(id, "ID string for Riptide soundcard.");
 122module_param_array(enable, bool, NULL, 0444);
 123MODULE_PARM_DESC(enable, "Enable Riptide soundcard.");
 124#ifdef SUPPORT_JOYSTICK
 125module_param_hw_array(joystick_port, int, ioport, NULL, 0444);
 126MODULE_PARM_DESC(joystick_port, "Joystick port # for Riptide soundcard.");
 127#endif
 128module_param_hw_array(mpu_port, int, ioport, NULL, 0444);
 129MODULE_PARM_DESC(mpu_port, "MPU401 port # for Riptide driver.");
 130module_param_hw_array(opl3_port, int, ioport, NULL, 0444);
 131MODULE_PARM_DESC(opl3_port, "OPL3 port # for Riptide driver.");
 132
 133/*
 134 */
 135
 136#define MPU401_HW_RIPTIDE MPU401_HW_MPU401
 137#define OPL3_HW_RIPTIDE   OPL3_HW_OPL3
 138
 139#define PCI_EXT_CapId       0x40
 140#define PCI_EXT_NextCapPrt  0x41
 141#define PCI_EXT_PWMC        0x42
 142#define PCI_EXT_PWSCR       0x44
 143#define PCI_EXT_Data00      0x46
 144#define PCI_EXT_PMSCR_BSE   0x47
 145#define PCI_EXT_SB_Base     0x48
 146#define PCI_EXT_FM_Base     0x4a
 147#define PCI_EXT_MPU_Base    0x4C
 148#define PCI_EXT_Game_Base   0x4E
 149#define PCI_EXT_Legacy_Mask 0x50
 150#define PCI_EXT_AsicRev     0x52
 151#define PCI_EXT_Reserved3   0x53
 152
 153#define LEGACY_ENABLE_ALL      0x8000   /* legacy device options */
 154#define LEGACY_ENABLE_SB       0x4000
 155#define LEGACY_ENABLE_FM       0x2000
 156#define LEGACY_ENABLE_MPU_INT  0x1000
 157#define LEGACY_ENABLE_MPU      0x0800
 158#define LEGACY_ENABLE_GAMEPORT 0x0400
 159
 160#define MAX_WRITE_RETRY  10     /* cmd interface limits */
 161#define MAX_ERROR_COUNT  10
 162#define CMDIF_TIMEOUT    50000
 163#define RESET_TRIES      5
 164
 165#define READ_PORT_ULONG(p)     inl((unsigned long)&(p))
 166#define WRITE_PORT_ULONG(p,x)  outl(x,(unsigned long)&(p))
 167
 168#define READ_AUDIO_CONTROL(p)     READ_PORT_ULONG(p->audio_control)
 169#define WRITE_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,x)
 170#define UMASK_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)|x)
 171#define MASK_AUDIO_CONTROL(p,x)   WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)&x)
 172#define READ_AUDIO_STATUS(p)      READ_PORT_ULONG(p->audio_status)
 173
 174#define SET_GRESET(p)     UMASK_AUDIO_CONTROL(p,0x0001) /* global reset switch */
 175#define UNSET_GRESET(p)   MASK_AUDIO_CONTROL(p,~0x0001)
 176#define SET_AIE(p)        UMASK_AUDIO_CONTROL(p,0x0004) /* interrupt enable */
 177#define UNSET_AIE(p)      MASK_AUDIO_CONTROL(p,~0x0004)
 178#define SET_AIACK(p)      UMASK_AUDIO_CONTROL(p,0x0008) /* interrupt acknowledge */
 179#define UNSET_AIACKT(p)   MASKAUDIO_CONTROL(p,~0x0008)
 180#define SET_ECMDAE(p)     UMASK_AUDIO_CONTROL(p,0x0010)
 181#define UNSET_ECMDAE(p)   MASK_AUDIO_CONTROL(p,~0x0010)
 182#define SET_ECMDBE(p)     UMASK_AUDIO_CONTROL(p,0x0020)
 183#define UNSET_ECMDBE(p)   MASK_AUDIO_CONTROL(p,~0x0020)
 184#define SET_EDATAF(p)     UMASK_AUDIO_CONTROL(p,0x0040)
 185#define UNSET_EDATAF(p)   MASK_AUDIO_CONTROL(p,~0x0040)
 186#define SET_EDATBF(p)     UMASK_AUDIO_CONTROL(p,0x0080)
 187#define UNSET_EDATBF(p)   MASK_AUDIO_CONTROL(p,~0x0080)
 188#define SET_ESBIRQON(p)   UMASK_AUDIO_CONTROL(p,0x0100)
 189#define UNSET_ESBIRQON(p) MASK_AUDIO_CONTROL(p,~0x0100)
 190#define SET_EMPUIRQ(p)    UMASK_AUDIO_CONTROL(p,0x0200)
 191#define UNSET_EMPUIRQ(p)  MASK_AUDIO_CONTROL(p,~0x0200)
 192#define IS_CMDE(a)        (READ_PORT_ULONG(a->stat)&0x1)        /* cmd empty */
 193#define IS_DATF(a)        (READ_PORT_ULONG(a->stat)&0x2)        /* data filled */
 194#define IS_READY(p)       (READ_AUDIO_STATUS(p)&0x0001)
 195#define IS_DLREADY(p)     (READ_AUDIO_STATUS(p)&0x0002)
 196#define IS_DLERR(p)       (READ_AUDIO_STATUS(p)&0x0004)
 197#define IS_GERR(p)        (READ_AUDIO_STATUS(p)&0x0008) /* error ! */
 198#define IS_CMDAEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0010)
 199#define IS_CMDBEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0020)
 200#define IS_DATAFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0040)
 201#define IS_DATBFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0080)
 202#define IS_EOBIRQ(p)      (READ_AUDIO_STATUS(p)&0x0100) /* interrupt status */
 203#define IS_EOSIRQ(p)      (READ_AUDIO_STATUS(p)&0x0200)
 204#define IS_EOCIRQ(p)      (READ_AUDIO_STATUS(p)&0x0400)
 205#define IS_UNSLIRQ(p)     (READ_AUDIO_STATUS(p)&0x0800)
 206#define IS_SBIRQ(p)       (READ_AUDIO_STATUS(p)&0x1000)
 207#define IS_MPUIRQ(p)      (READ_AUDIO_STATUS(p)&0x2000)
 208
 209#define RESP 0x00000001         /* command flags */
 210#define PARM 0x00000002
 211#define CMDA 0x00000004
 212#define CMDB 0x00000008
 213#define NILL 0x00000000
 214
 215#define LONG0(a)   ((u32)a)     /* shifts and masks */
 216#define BYTE0(a)   (LONG0(a)&0xff)
 217#define BYTE1(a)   (BYTE0(a)<<8)
 218#define BYTE2(a)   (BYTE0(a)<<16)
 219#define BYTE3(a)   (BYTE0(a)<<24)
 220#define WORD0(a)   (LONG0(a)&0xffff)
 221#define WORD1(a)   (WORD0(a)<<8)
 222#define WORD2(a)   (WORD0(a)<<16)
 223#define TRINIB0(a) (LONG0(a)&0xffffff)
 224#define TRINIB1(a) (TRINIB0(a)<<8)
 225
 226#define RET(a)     ((union cmdret *)(a))
 227
 228#define SEND_GETV(p,b)             sendcmd(p,RESP,GETV,0,RET(b))        /* get version */
 229#define SEND_GETC(p,b,c)           sendcmd(p,PARM|RESP,GETC,c,RET(b))
 230#define SEND_GUNS(p,b)             sendcmd(p,RESP,GUNS,0,RET(b))
 231#define SEND_SCID(p,b)             sendcmd(p,RESP,SCID,0,RET(b))
 232#define SEND_RMEM(p,b,c,d)         sendcmd(p,PARM|RESP,RMEM|BYTE1(b),LONG0(c),RET(d))   /* memory access for firmware write */
 233#define SEND_SMEM(p,b,c)           sendcmd(p,PARM,SMEM|BYTE1(b),LONG0(c),RET(0))        /* memory access for firmware write */
 234#define SEND_WMEM(p,b,c)           sendcmd(p,PARM,WMEM|BYTE1(b),LONG0(c),RET(0))        /* memory access for firmware write */
 235#define SEND_SDTM(p,b,c)           sendcmd(p,PARM|RESP,SDTM|TRINIB1(b),0,RET(c))        /* memory access for firmware write */
 236#define SEND_GOTO(p,b)             sendcmd(p,PARM,GOTO,LONG0(b),RET(0)) /* memory access for firmware write */
 237#define SEND_SETDPLL(p)            sendcmd(p,0,ARM_SETDPLL,0,RET(0))
 238#define SEND_SSTR(p,b,c)           sendcmd(p,PARM,SSTR|BYTE3(b),LONG0(c),RET(0))        /* start stream */
 239#define SEND_PSTR(p,b)             sendcmd(p,PARM,PSTR,BYTE3(b),RET(0)) /* pause stream */
 240#define SEND_KSTR(p,b)             sendcmd(p,PARM,KSTR,BYTE3(b),RET(0)) /* stop stream */
 241#define SEND_KDMA(p)               sendcmd(p,0,KDMA,0,RET(0))   /* stop all dma */
 242#define SEND_GPOS(p,b,c,d)         sendcmd(p,PARM|RESP,GPOS,BYTE3(c)|BYTE2(b),RET(d))   /* get position in dma */
 243#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 */
 244#define SEND_GSTS(p,b,c,d)         sendcmd(p,PARM|RESP,GSTS,BYTE3(c)|BYTE2(b),RET(d))
 245#define SEND_NGPOS(p,b,c,d)        sendcmd(p,PARM|RESP,NGPOS,BYTE3(c)|BYTE2(b),RET(d))
 246#define SEND_PSEL(p,b,c)           sendcmd(p,PARM,PSEL,BYTE2(b)|BYTE3(c),RET(0))        /* activate lbus path */
 247#define SEND_PCLR(p,b,c)           sendcmd(p,PARM,PCLR,BYTE2(b)|BYTE3(c),RET(0))        /* deactivate lbus path */
 248#define SEND_PLST(p,b)             sendcmd(p,PARM,PLST,BYTE3(b),RET(0))
 249#define SEND_RSSV(p,b,c,d)         sendcmd(p,PARM|RESP,RSSV,BYTE2(b)|BYTE3(c),RET(d))
 250#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 */
 251#define SEND_SSRC(p,b,c,d,e)       sendcmd(p,PARM,SSRC|BYTE1(b)|WORD2(c),WORD0(d)|WORD2(e),RET(0))      /* configure source */
 252#define SEND_SLST(p,b)             sendcmd(p,PARM,SLST,BYTE3(b),RET(0))
 253#define SEND_RSRC(p,b,c)           sendcmd(p,RESP,RSRC|BYTE1(b),0,RET(c))       /* read source config */
 254#define SEND_SSRB(p,b,c)           sendcmd(p,PARM,SSRB|BYTE1(b),WORD2(c),RET(0))
 255#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 */
 256#define SEND_RDGV(p,b,c,d)         sendcmd(p,PARM|RESP,RDGV|BYTE2(b)|BYTE3(c),0,RET(d)) /* read digital mixer */
 257#define SEND_DLST(p,b)             sendcmd(p,PARM,DLST,BYTE3(b),RET(0))
 258#define SEND_SACR(p,b,c)           sendcmd(p,PARM,SACR,WORD0(b)|WORD2(c),RET(0))        /* set AC97 register */
 259#define SEND_RACR(p,b,c)           sendcmd(p,PARM|RESP,RACR,WORD2(b),RET(c))    /* get AC97 register */
 260#define SEND_ALST(p,b)             sendcmd(p,PARM,ALST,BYTE3(b),RET(0))
 261#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))
 262#define SEND_RXAC(p,b,c,d)         sendcmd(p,PARM|RESP,RXAC,BYTE2(b)|BYTE3(c),RET(d))
 263#define SEND_SI2S(p,b)             sendcmd(p,PARM,SI2S,WORD2(b),RET(0))
 264
 265#define EOB_STATUS         0x80000000   /* status flags : block boundary */
 266#define EOS_STATUS         0x40000000   /*              : stoppped */
 267#define EOC_STATUS         0x20000000   /*              : stream end */
 268#define ERR_STATUS         0x10000000
 269#define EMPTY_STATUS       0x08000000
 270
 271#define IEOB_ENABLE        0x1  /* enable interrupts for status notification above */
 272#define IEOS_ENABLE        0x2
 273#define IEOC_ENABLE        0x4
 274#define RDONCE             0x8
 275#define DESC_MAX_MASK      0xff
 276
 277#define ST_PLAY  0x1            /* stream states */
 278#define ST_STOP  0x2
 279#define ST_PAUSE 0x4
 280
 281#define I2S_INTDEC     3        /* config for I2S link */
 282#define I2S_MERGER     0
 283#define I2S_SPLITTER   0
 284#define I2S_MIXER      7
 285#define I2S_RATE       44100
 286
 287#define MODEM_INTDEC   4        /* config for modem link */
 288#define MODEM_MERGER   3
 289#define MODEM_SPLITTER 0
 290#define MODEM_MIXER    11
 291
 292#define FM_INTDEC      3        /* config for FM/OPL3 link */
 293#define FM_MERGER      0
 294#define FM_SPLITTER    0
 295#define FM_MIXER       9
 296
 297#define SPLIT_PATH  0x80        /* path splitting flag */
 298
 299enum FIRMWARE {
 300        DATA_REC = 0, EXT_END_OF_FILE, EXT_SEG_ADDR_REC, EXT_GOTO_CMD_REC,
 301        EXT_LIN_ADDR_REC,
 302};
 303
 304enum CMDS {
 305        GETV = 0x00, GETC, GUNS, SCID, RMEM =
 306            0x10, SMEM, WMEM, SDTM, GOTO, SSTR =
 307            0x20, PSTR, KSTR, KDMA, GPOS, SETF, GSTS, NGPOS, PSEL =
 308            0x30, PCLR, PLST, RSSV, LSEL, SSRC = 0x40, SLST, RSRC, SSRB, SDGV =
 309            0x50, RDGV, DLST, SACR = 0x60, RACR, ALST, TXAC, RXAC, SI2S =
 310            0x70, ARM_SETDPLL = 0x72,
 311};
 312
 313enum E1SOURCE {
 314        ARM2LBUS_FIFO0 = 0, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2, ARM2LBUS_FIFO3,
 315        ARM2LBUS_FIFO4, ARM2LBUS_FIFO5, ARM2LBUS_FIFO6, ARM2LBUS_FIFO7,
 316        ARM2LBUS_FIFO8, ARM2LBUS_FIFO9, ARM2LBUS_FIFO10, ARM2LBUS_FIFO11,
 317        ARM2LBUS_FIFO12, ARM2LBUS_FIFO13, ARM2LBUS_FIFO14, ARM2LBUS_FIFO15,
 318        INTER0_OUT, INTER1_OUT, INTER2_OUT, INTER3_OUT, INTER4_OUT,
 319        INTERM0_OUT, INTERM1_OUT, INTERM2_OUT, INTERM3_OUT, INTERM4_OUT,
 320        INTERM5_OUT, INTERM6_OUT, DECIMM0_OUT, DECIMM1_OUT, DECIMM2_OUT,
 321        DECIMM3_OUT, DECIM0_OUT, SR3_4_OUT, OPL3_SAMPLE, ASRC0, ASRC1,
 322        ACLNK2PADC, ACLNK2MODEM0RX, ACLNK2MIC, ACLNK2MODEM1RX, ACLNK2HNDMIC,
 323        DIGITAL_MIXER_OUT0, GAINFUNC0_OUT, GAINFUNC1_OUT, GAINFUNC2_OUT,
 324        GAINFUNC3_OUT, GAINFUNC4_OUT, SOFTMODEMTX, SPLITTER0_OUTL,
 325        SPLITTER0_OUTR, SPLITTER1_OUTL, SPLITTER1_OUTR, SPLITTER2_OUTL,
 326        SPLITTER2_OUTR, SPLITTER3_OUTL, SPLITTER3_OUTR, MERGER0_OUT,
 327        MERGER1_OUT, MERGER2_OUT, MERGER3_OUT, ARM2LBUS_FIFO_DIRECT, NO_OUT
 328};
 329
 330enum E2SINK {
 331        LBUS2ARM_FIFO0 = 0, LBUS2ARM_FIFO1, LBUS2ARM_FIFO2, LBUS2ARM_FIFO3,
 332        LBUS2ARM_FIFO4, LBUS2ARM_FIFO5, LBUS2ARM_FIFO6, LBUS2ARM_FIFO7,
 333        INTER0_IN, INTER1_IN, INTER2_IN, INTER3_IN, INTER4_IN, INTERM0_IN,
 334        INTERM1_IN, INTERM2_IN, INTERM3_IN, INTERM4_IN, INTERM5_IN, INTERM6_IN,
 335        DECIMM0_IN, DECIMM1_IN, DECIMM2_IN, DECIMM3_IN, DECIM0_IN, SR3_4_IN,
 336        PDAC2ACLNK, MODEM0TX2ACLNK, MODEM1TX2ACLNK, HNDSPK2ACLNK,
 337        DIGITAL_MIXER_IN0, DIGITAL_MIXER_IN1, DIGITAL_MIXER_IN2,
 338        DIGITAL_MIXER_IN3, DIGITAL_MIXER_IN4, DIGITAL_MIXER_IN5,
 339        DIGITAL_MIXER_IN6, DIGITAL_MIXER_IN7, DIGITAL_MIXER_IN8,
 340        DIGITAL_MIXER_IN9, DIGITAL_MIXER_IN10, DIGITAL_MIXER_IN11,
 341        GAINFUNC0_IN, GAINFUNC1_IN, GAINFUNC2_IN, GAINFUNC3_IN, GAINFUNC4_IN,
 342        SOFTMODEMRX, SPLITTER0_IN, SPLITTER1_IN, SPLITTER2_IN, SPLITTER3_IN,
 343        MERGER0_INL, MERGER0_INR, MERGER1_INL, MERGER1_INR, MERGER2_INL,
 344        MERGER2_INR, MERGER3_INL, MERGER3_INR, E2SINK_MAX
 345};
 346
 347enum LBUS_SINK {
 348        LS_SRC_INTERPOLATOR = 0, LS_SRC_INTERPOLATORM, LS_SRC_DECIMATOR,
 349        LS_SRC_DECIMATORM, LS_MIXER_IN, LS_MIXER_GAIN_FUNCTION,
 350        LS_SRC_SPLITTER, LS_SRC_MERGER, LS_NONE1, LS_NONE2,
 351};
 352
 353enum RT_CHANNEL_IDS {
 354        M0TX = 0, M1TX, TAMTX, HSSPKR, PDAC, DSNDTX0, DSNDTX1, DSNDTX2,
 355        DSNDTX3, DSNDTX4, DSNDTX5, DSNDTX6, DSNDTX7, WVSTRTX, COP3DTX, SPARE,
 356        M0RX, HSMIC, M1RX, CLEANRX, MICADC, PADC, COPRX1, COPRX2,
 357        CHANNEL_ID_COUNTER
 358};
 359
 360enum { SB_CMD = 0, MODEM_CMD, I2S_CMD0, I2S_CMD1, FM_CMD, MAX_CMD };
 361
 362struct lbuspath {
 363        const unsigned char *noconv;
 364        const unsigned char *stereo;
 365        const unsigned char *mono;
 366};
 367
 368struct cmdport {
 369        u32 data1;              /* cmd,param */
 370        u32 data2;              /* param */
 371        u32 stat;               /* status */
 372        u32 pad[5];
 373};
 374
 375struct riptideport {
 376        u32 audio_control;      /* status registers */
 377        u32 audio_status;
 378        u32 pad[2];
 379        struct cmdport port[2]; /* command ports */
 380};
 381
 382struct cmdif {
 383        struct riptideport *hwport;
 384        spinlock_t lock;
 385        unsigned int cmdcnt;    /* cmd statistics */
 386        unsigned int cmdtime;
 387        unsigned int cmdtimemax;
 388        unsigned int cmdtimemin;
 389        unsigned int errcnt;
 390        int is_reset;
 391};
 392
 393struct riptide_firmware {
 394        u16 ASIC;
 395        u16 CODEC;
 396        u16 AUXDSP;
 397        u16 PROG;
 398};
 399
 400union cmdret {
 401        u8 retbytes[8];
 402        u16 retwords[4];
 403        u32 retlongs[2];
 404};
 405
 406union firmware_version {
 407        union cmdret ret;
 408        struct riptide_firmware firmware;
 409};
 410
 411#define get_pcmhwdev(substream) (struct pcmhw *)(substream->runtime->private_data)
 412
 413#define PLAYBACK_SUBSTREAMS 3
 414struct snd_riptide {
 415        struct snd_card *card;
 416        struct pci_dev *pci;
 417        const struct firmware *fw_entry;
 418
 419        struct cmdif *cif;
 420
 421        struct snd_pcm *pcm;
 422        struct snd_pcm *pcm_i2s;
 423        struct snd_rawmidi *rmidi;
 424        struct snd_opl3 *opl3;
 425        struct snd_ac97 *ac97;
 426        struct snd_ac97_bus *ac97_bus;
 427
 428        struct snd_pcm_substream *playback_substream[PLAYBACK_SUBSTREAMS];
 429        struct snd_pcm_substream *capture_substream;
 430
 431        int openstreams;
 432
 433        int irq;
 434        unsigned long port;
 435        unsigned short mpuaddr;
 436        unsigned short opladdr;
 437#ifdef SUPPORT_JOYSTICK
 438        unsigned short gameaddr;
 439#endif
 440        struct resource *res_port;
 441
 442        unsigned short device_id;
 443
 444        union firmware_version firmware;
 445
 446        spinlock_t lock;
 447        struct snd_info_entry *proc_entry;
 448
 449        unsigned long received_irqs;
 450        unsigned long handled_irqs;
 451#ifdef CONFIG_PM_SLEEP
 452        int in_suspend;
 453#endif
 454};
 455
 456struct sgd {                    /* scatter gather desriptor */
 457        __le32 dwNextLink;
 458        __le32 dwSegPtrPhys;
 459        __le32 dwSegLen;
 460        __le32 dwStat_Ctl;
 461};
 462
 463struct pcmhw {                  /* pcm descriptor */
 464        struct lbuspath paths;
 465        const unsigned char *lbuspath;
 466        unsigned char source;
 467        unsigned char intdec[2];
 468        unsigned char mixer;
 469        unsigned char id;
 470        unsigned char state;
 471        unsigned int rate;
 472        unsigned int channels;
 473        snd_pcm_format_t format;
 474        struct snd_dma_buffer sgdlist;
 475        struct sgd *sgdbuf;
 476        unsigned int size;
 477        unsigned int pages;
 478        unsigned int oldpos;
 479        unsigned int pointer;
 480};
 481
 482#define CMDRET_ZERO (union cmdret){{(u32)0, (u32) 0}}
 483
 484static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
 485                   union cmdret *ret);
 486static int getsourcesink(struct cmdif *cif, unsigned char source,
 487                         unsigned char sink, unsigned char *a,
 488                         unsigned char *b);
 489static int snd_riptide_initialize(struct snd_riptide *chip);
 490static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip);
 491
 492/*
 493 */
 494
 495static const struct pci_device_id snd_riptide_ids[] = {
 496        { PCI_DEVICE(0x127a, 0x4310) },
 497        { PCI_DEVICE(0x127a, 0x4320) },
 498        { PCI_DEVICE(0x127a, 0x4330) },
 499        { PCI_DEVICE(0x127a, 0x4340) },
 500        {0,},
 501};
 502
 503#ifdef SUPPORT_JOYSTICK
 504static const struct pci_device_id snd_riptide_joystick_ids[] = {
 505        { PCI_DEVICE(0x127a, 0x4312) },
 506        { PCI_DEVICE(0x127a, 0x4322) },
 507        { PCI_DEVICE(0x127a, 0x4332) },
 508        { PCI_DEVICE(0x127a, 0x4342) },
 509        {0,},
 510};
 511#endif
 512
 513MODULE_DEVICE_TABLE(pci, snd_riptide_ids);
 514
 515/*
 516 */
 517
 518static const unsigned char lbusin2out[E2SINK_MAX + 1][2] = {
 519        {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
 520                                                                     LS_NONE2},
 521        {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
 522                                                                     LS_NONE2},
 523        {INTER0_OUT, LS_SRC_INTERPOLATOR}, {INTER1_OUT, LS_SRC_INTERPOLATOR},
 524        {INTER2_OUT, LS_SRC_INTERPOLATOR}, {INTER3_OUT, LS_SRC_INTERPOLATOR},
 525        {INTER4_OUT, LS_SRC_INTERPOLATOR}, {INTERM0_OUT, LS_SRC_INTERPOLATORM},
 526        {INTERM1_OUT, LS_SRC_INTERPOLATORM}, {INTERM2_OUT,
 527                                              LS_SRC_INTERPOLATORM},
 528        {INTERM3_OUT, LS_SRC_INTERPOLATORM}, {INTERM4_OUT,
 529                                              LS_SRC_INTERPOLATORM},
 530        {INTERM5_OUT, LS_SRC_INTERPOLATORM}, {INTERM6_OUT,
 531                                              LS_SRC_INTERPOLATORM},
 532        {DECIMM0_OUT, LS_SRC_DECIMATORM}, {DECIMM1_OUT, LS_SRC_DECIMATORM},
 533        {DECIMM2_OUT, LS_SRC_DECIMATORM}, {DECIMM3_OUT, LS_SRC_DECIMATORM},
 534        {DECIM0_OUT, LS_SRC_DECIMATOR}, {SR3_4_OUT, LS_NONE1}, {NO_OUT,
 535                                                                LS_NONE2},
 536        {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1},
 537        {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 538        {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 539        {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 540        {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 541        {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 542        {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
 543        {GAINFUNC0_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC1_OUT,
 544                                                  LS_MIXER_GAIN_FUNCTION},
 545        {GAINFUNC2_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC3_OUT,
 546                                                  LS_MIXER_GAIN_FUNCTION},
 547        {GAINFUNC4_OUT, LS_MIXER_GAIN_FUNCTION}, {SOFTMODEMTX, LS_NONE1},
 548        {SPLITTER0_OUTL, LS_SRC_SPLITTER}, {SPLITTER1_OUTL, LS_SRC_SPLITTER},
 549        {SPLITTER2_OUTL, LS_SRC_SPLITTER}, {SPLITTER3_OUTL, LS_SRC_SPLITTER},
 550        {MERGER0_OUT, LS_SRC_MERGER}, {MERGER0_OUT, LS_SRC_MERGER},
 551        {MERGER1_OUT, LS_SRC_MERGER},
 552        {MERGER1_OUT, LS_SRC_MERGER}, {MERGER2_OUT, LS_SRC_MERGER},
 553        {MERGER2_OUT, LS_SRC_MERGER},
 554        {MERGER3_OUT, LS_SRC_MERGER}, {MERGER3_OUT, LS_SRC_MERGER}, {NO_OUT,
 555                                                                     LS_NONE2},
 556};
 557
 558static const unsigned char lbus_play_opl3[] = {
 559        DIGITAL_MIXER_IN0 + FM_MIXER, 0xff
 560};
 561static const unsigned char lbus_play_modem[] = {
 562        DIGITAL_MIXER_IN0 + MODEM_MIXER, 0xff
 563};
 564static const unsigned char lbus_play_i2s[] = {
 565        INTER0_IN + I2S_INTDEC, DIGITAL_MIXER_IN0 + I2S_MIXER, 0xff
 566};
 567static const unsigned char lbus_play_out[] = {
 568        PDAC2ACLNK, 0xff
 569};
 570static const unsigned char lbus_play_outhp[] = {
 571        HNDSPK2ACLNK, 0xff
 572};
 573static const unsigned char lbus_play_noconv1[] = {
 574        DIGITAL_MIXER_IN0, 0xff
 575};
 576static const unsigned char lbus_play_stereo1[] = {
 577        INTER0_IN, DIGITAL_MIXER_IN0, 0xff
 578};
 579static const unsigned char lbus_play_mono1[] = {
 580        INTERM0_IN, DIGITAL_MIXER_IN0, 0xff
 581};
 582static const unsigned char lbus_play_noconv2[] = {
 583        DIGITAL_MIXER_IN1, 0xff
 584};
 585static const unsigned char lbus_play_stereo2[] = {
 586        INTER1_IN, DIGITAL_MIXER_IN1, 0xff
 587};
 588static const unsigned char lbus_play_mono2[] = {
 589        INTERM1_IN, DIGITAL_MIXER_IN1, 0xff
 590};
 591static const unsigned char lbus_play_noconv3[] = {
 592        DIGITAL_MIXER_IN2, 0xff
 593};
 594static const unsigned char lbus_play_stereo3[] = {
 595        INTER2_IN, DIGITAL_MIXER_IN2, 0xff
 596};
 597static const unsigned char lbus_play_mono3[] = {
 598        INTERM2_IN, DIGITAL_MIXER_IN2, 0xff
 599};
 600static const unsigned char lbus_rec_noconv1[] = {
 601        LBUS2ARM_FIFO5, 0xff
 602};
 603static const unsigned char lbus_rec_stereo1[] = {
 604        DECIM0_IN, LBUS2ARM_FIFO5, 0xff
 605};
 606static const unsigned char lbus_rec_mono1[] = {
 607        DECIMM3_IN, LBUS2ARM_FIFO5, 0xff
 608};
 609
 610static const unsigned char play_ids[] = { 4, 1, 2, };
 611static const unsigned char play_sources[] = {
 612        ARM2LBUS_FIFO4, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2,
 613};
 614static const struct lbuspath lbus_play_paths[] = {
 615        {
 616         .noconv = lbus_play_noconv1,
 617         .stereo = lbus_play_stereo1,
 618         .mono = lbus_play_mono1,
 619         },
 620        {
 621         .noconv = lbus_play_noconv2,
 622         .stereo = lbus_play_stereo2,
 623         .mono = lbus_play_mono2,
 624         },
 625        {
 626         .noconv = lbus_play_noconv3,
 627         .stereo = lbus_play_stereo3,
 628         .mono = lbus_play_mono3,
 629         },
 630};
 631static const struct lbuspath lbus_rec_path = {
 632        .noconv = lbus_rec_noconv1,
 633        .stereo = lbus_rec_stereo1,
 634        .mono = lbus_rec_mono1,
 635};
 636
 637#define FIRMWARE_VERSIONS 1
 638static union firmware_version firmware_versions[] = {
 639        {
 640                .firmware = {
 641                        .ASIC = 3,
 642                        .CODEC = 2,
 643                        .AUXDSP = 3,
 644                        .PROG = 773,
 645                },
 646        },
 647};
 648
 649static u32 atoh(const unsigned char *in, unsigned int len)
 650{
 651        u32 sum = 0;
 652        unsigned int mult = 1;
 653        unsigned char c;
 654
 655        while (len) {
 656                int value;
 657
 658                c = in[len - 1];
 659                value = hex_to_bin(c);
 660                if (value >= 0)
 661                        sum += mult * value;
 662                mult *= 16;
 663                --len;
 664        }
 665        return sum;
 666}
 667
 668static int senddata(struct cmdif *cif, const unsigned char *in, u32 offset)
 669{
 670        u32 addr;
 671        u32 data;
 672        u32 i;
 673        const unsigned char *p;
 674
 675        i = atoh(&in[1], 2);
 676        addr = offset + atoh(&in[3], 4);
 677        if (SEND_SMEM(cif, 0, addr) != 0)
 678                return -EACCES;
 679        p = in + 9;
 680        while (i) {
 681                data = atoh(p, 8);
 682                if (SEND_WMEM(cif, 2,
 683                              ((data & 0x0f0f0f0f) << 4) | ((data & 0xf0f0f0f0)
 684                                                            >> 4)))
 685                        return -EACCES;
 686                i -= 4;
 687                p += 8;
 688        }
 689        return 0;
 690}
 691
 692static int loadfirmware(struct cmdif *cif, const unsigned char *img,
 693                        unsigned int size)
 694{
 695        const unsigned char *in;
 696        u32 laddr, saddr, t, val;
 697        int err = 0;
 698
 699        laddr = saddr = 0;
 700        while (size > 0 && err == 0) {
 701                in = img;
 702                if (in[0] == ':') {
 703                        t = atoh(&in[7], 2);
 704                        switch (t) {
 705                        case DATA_REC:
 706                                err = senddata(cif, in, laddr + saddr);
 707                                break;
 708                        case EXT_SEG_ADDR_REC:
 709                                saddr = atoh(&in[9], 4) << 4;
 710                                break;
 711                        case EXT_LIN_ADDR_REC:
 712                                laddr = atoh(&in[9], 4) << 16;
 713                                break;
 714                        case EXT_GOTO_CMD_REC:
 715                                val = atoh(&in[9], 8);
 716                                if (SEND_GOTO(cif, val) != 0)
 717                                        err = -EACCES;
 718                                break;
 719                        case EXT_END_OF_FILE:
 720                                size = 0;
 721                                break;
 722                        default:
 723                                break;
 724                        }
 725                        while (size > 0) {
 726                                size--;
 727                                if (*img++ == '\n')
 728                                        break;
 729                        }
 730                }
 731        }
 732        snd_printdd("load firmware return %d\n", err);
 733        return err;
 734}
 735
 736static void
 737alloclbuspath(struct cmdif *cif, unsigned char source,
 738              const unsigned char *path, unsigned char *mixer, unsigned char *s)
 739{
 740        while (*path != 0xff) {
 741                unsigned char sink, type;
 742
 743                sink = *path & (~SPLIT_PATH);
 744                if (sink != E2SINK_MAX) {
 745                        snd_printdd("alloc path 0x%x->0x%x\n", source, sink);
 746                        SEND_PSEL(cif, source, sink);
 747                        source = lbusin2out[sink][0];
 748                        type = lbusin2out[sink][1];
 749                        if (type == LS_MIXER_IN) {
 750                                if (mixer)
 751                                        *mixer = sink - DIGITAL_MIXER_IN0;
 752                        }
 753                        if (type == LS_SRC_DECIMATORM ||
 754                            type == LS_SRC_DECIMATOR ||
 755                            type == LS_SRC_INTERPOLATORM ||
 756                            type == LS_SRC_INTERPOLATOR) {
 757                                if (s) {
 758                                        if (s[0] != 0xff)
 759                                                s[1] = sink;
 760                                        else
 761                                                s[0] = sink;
 762                                }
 763                        }
 764                }
 765                if (*path++ & SPLIT_PATH) {
 766                        const unsigned char *npath = path;
 767
 768                        while (*npath != 0xff)
 769                                npath++;
 770                        alloclbuspath(cif, source + 1, ++npath, mixer, s);
 771                }
 772        }
 773}
 774
 775static void
 776freelbuspath(struct cmdif *cif, unsigned char source, const unsigned char *path)
 777{
 778        while (*path != 0xff) {
 779                unsigned char sink;
 780
 781                sink = *path & (~SPLIT_PATH);
 782                if (sink != E2SINK_MAX) {
 783                        snd_printdd("free path 0x%x->0x%x\n", source, sink);
 784                        SEND_PCLR(cif, source, sink);
 785                        source = lbusin2out[sink][0];
 786                }
 787                if (*path++ & SPLIT_PATH) {
 788                        const unsigned char *npath = path;
 789
 790                        while (*npath != 0xff)
 791                                npath++;
 792                        freelbuspath(cif, source + 1, ++npath);
 793                }
 794        }
 795}
 796
 797static int writearm(struct cmdif *cif, u32 addr, u32 data, u32 mask)
 798{
 799        union cmdret rptr = CMDRET_ZERO;
 800        unsigned int i = MAX_WRITE_RETRY;
 801        int flag = 1;
 802
 803        SEND_RMEM(cif, 0x02, addr, &rptr);
 804        rptr.retlongs[0] &= (~mask);
 805
 806        while (--i) {
 807                SEND_SMEM(cif, 0x01, addr);
 808                SEND_WMEM(cif, 0x02, (rptr.retlongs[0] | data));
 809                SEND_RMEM(cif, 0x02, addr, &rptr);
 810                if ((rptr.retlongs[0] & data) == data) {
 811                        flag = 0;
 812                        break;
 813                } else
 814                        rptr.retlongs[0] &= ~mask;
 815        }
 816        snd_printdd("send arm 0x%x 0x%x 0x%x return %d\n", addr, data, mask,
 817                    flag);
 818        return flag;
 819}
 820
 821static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
 822                   union cmdret *ret)
 823{
 824        int i, j;
 825        int err;
 826        unsigned int time = 0;
 827        unsigned long irqflags;
 828        struct riptideport *hwport;
 829        struct cmdport *cmdport = NULL;
 830
 831        if (snd_BUG_ON(!cif))
 832                return -EINVAL;
 833
 834        hwport = cif->hwport;
 835        if (cif->errcnt > MAX_ERROR_COUNT) {
 836                if (cif->is_reset) {
 837                        snd_printk(KERN_ERR
 838                                   "Riptide: Too many failed cmds, reinitializing\n");
 839                        if (riptide_reset(cif, NULL) == 0) {
 840                                cif->errcnt = 0;
 841                                return -EIO;
 842                        }
 843                }
 844                snd_printk(KERN_ERR "Riptide: Initialization failed.\n");
 845                return -EINVAL;
 846        }
 847        if (ret) {
 848                ret->retlongs[0] = 0;
 849                ret->retlongs[1] = 0;
 850        }
 851        i = 0;
 852        spin_lock_irqsave(&cif->lock, irqflags);
 853        while (i++ < CMDIF_TIMEOUT && !IS_READY(cif->hwport))
 854                udelay(10);
 855        if (i > CMDIF_TIMEOUT) {
 856                err = -EBUSY;
 857                goto errout;
 858        }
 859
 860        err = 0;
 861        for (j = 0, time = 0; time < CMDIF_TIMEOUT; j++, time += 2) {
 862                cmdport = &(hwport->port[j % 2]);
 863                if (IS_DATF(cmdport)) { /* free pending data */
 864                        READ_PORT_ULONG(cmdport->data1);
 865                        READ_PORT_ULONG(cmdport->data2);
 866                }
 867                if (IS_CMDE(cmdport)) {
 868                        if (flags & PARM)       /* put data */
 869                                WRITE_PORT_ULONG(cmdport->data2, parm);
 870                        WRITE_PORT_ULONG(cmdport->data1, cmd);  /* write cmd */
 871                        if ((flags & RESP) && ret) {
 872                                while (!IS_DATF(cmdport) &&
 873                                       time < CMDIF_TIMEOUT) {
 874                                        udelay(10);
 875                                        time++;
 876                                }
 877                                if (time < CMDIF_TIMEOUT) {     /* read response */
 878                                        ret->retlongs[0] =
 879                                            READ_PORT_ULONG(cmdport->data1);
 880                                        ret->retlongs[1] =
 881                                            READ_PORT_ULONG(cmdport->data2);
 882                                } else {
 883                                        err = -ENOSYS;
 884                                        goto errout;
 885                                }
 886                        }
 887                        break;
 888                }
 889                udelay(20);
 890        }
 891        if (time == CMDIF_TIMEOUT) {
 892                err = -ENODATA;
 893                goto errout;
 894        }
 895        spin_unlock_irqrestore(&cif->lock, irqflags);
 896
 897        cif->cmdcnt++;          /* update command statistics */
 898        cif->cmdtime += time;
 899        if (time > cif->cmdtimemax)
 900                cif->cmdtimemax = time;
 901        if (time < cif->cmdtimemin)
 902                cif->cmdtimemin = time;
 903        if ((cif->cmdcnt) % 1000 == 0)
 904                snd_printdd
 905                    ("send cmd %d time: %d mintime: %d maxtime %d err: %d\n",
 906                     cif->cmdcnt, cif->cmdtime, cif->cmdtimemin,
 907                     cif->cmdtimemax, cif->errcnt);
 908        return 0;
 909
 910      errout:
 911        cif->errcnt++;
 912        spin_unlock_irqrestore(&cif->lock, irqflags);
 913        snd_printdd
 914            ("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",
 915             cif->cmdcnt, (int)((void *)&(cmdport->stat) - (void *)hwport),
 916             flags, cmd, parm, ret ? ret->retlongs[0] : 0,
 917             ret ? ret->retlongs[1] : 0, IS_CMDE(cmdport), IS_DATF(cmdport),
 918             err);
 919        return err;
 920}
 921
 922static int
 923setmixer(struct cmdif *cif, short num, unsigned short rval, unsigned short lval)
 924{
 925        union cmdret rptr = CMDRET_ZERO;
 926        int i = 0;
 927
 928        snd_printdd("sent mixer %d: 0x%x 0x%x\n", num, rval, lval);
 929        do {
 930                SEND_SDGV(cif, num, num, rval, lval);
 931                SEND_RDGV(cif, num, num, &rptr);
 932                if (rptr.retwords[0] == lval && rptr.retwords[1] == rval)
 933                        return 0;
 934        } while (i++ < MAX_WRITE_RETRY);
 935        snd_printdd("sent mixer failed\n");
 936        return -EIO;
 937}
 938
 939static int getpaths(struct cmdif *cif, unsigned char *o)
 940{
 941        unsigned char src[E2SINK_MAX];
 942        unsigned char sink[E2SINK_MAX];
 943        int i, j = 0;
 944
 945        for (i = 0; i < E2SINK_MAX; i++) {
 946                getsourcesink(cif, i, i, &src[i], &sink[i]);
 947                if (sink[i] < E2SINK_MAX) {
 948                        o[j++] = sink[i];
 949                        o[j++] = i;
 950                }
 951        }
 952        return j;
 953}
 954
 955static int
 956getsourcesink(struct cmdif *cif, unsigned char source, unsigned char sink,
 957              unsigned char *a, unsigned char *b)
 958{
 959        union cmdret rptr = CMDRET_ZERO;
 960
 961        if (SEND_RSSV(cif, source, sink, &rptr) &&
 962            SEND_RSSV(cif, source, sink, &rptr))
 963                return -EIO;
 964        *a = rptr.retbytes[0];
 965        *b = rptr.retbytes[1];
 966        snd_printdd("getsourcesink 0x%x 0x%x\n", *a, *b);
 967        return 0;
 968}
 969
 970static int
 971getsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int *rate)
 972{
 973        unsigned char *s;
 974        unsigned int p[2] = { 0, 0 };
 975        int i;
 976        union cmdret rptr = CMDRET_ZERO;
 977
 978        s = intdec;
 979        for (i = 0; i < 2; i++) {
 980                if (*s != 0xff) {
 981                        if (SEND_RSRC(cif, *s, &rptr) &&
 982                            SEND_RSRC(cif, *s, &rptr))
 983                                return -EIO;
 984                        p[i] += rptr.retwords[1];
 985                        p[i] *= rptr.retwords[2];
 986                        p[i] += rptr.retwords[3];
 987                        p[i] /= 65536;
 988                }
 989                s++;
 990        }
 991        if (p[0]) {
 992                if (p[1] != p[0])
 993                        snd_printdd("rates differ %d %d\n", p[0], p[1]);
 994                *rate = (unsigned int)p[0];
 995        } else
 996                *rate = (unsigned int)p[1];
 997        snd_printdd("getsampleformat %d %d %d\n", intdec[0], intdec[1], *rate);
 998        return 0;
 999}
1000
1001static int
1002setsampleformat(struct cmdif *cif,
1003                unsigned char mixer, unsigned char id,
1004                unsigned char channels, snd_pcm_format_t format)
1005{
1006        unsigned char w, ch, sig, order;
1007
1008        snd_printdd
1009            ("setsampleformat mixer: %d id: %d channels: %d format: %d\n",
1010             mixer, id, channels, format);
1011        ch = channels == 1;
1012        w = snd_pcm_format_width(format) == 8;
1013        sig = snd_pcm_format_unsigned(format) != 0;
1014        order = snd_pcm_format_big_endian(format) != 0;
1015
1016        if (SEND_SETF(cif, mixer, w, ch, order, sig, id) &&
1017            SEND_SETF(cif, mixer, w, ch, order, sig, id)) {
1018                snd_printdd("setsampleformat failed\n");
1019                return -EIO;
1020        }
1021        return 0;
1022}
1023
1024static int
1025setsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int rate)
1026{
1027        u32 D, M, N;
1028        union cmdret rptr = CMDRET_ZERO;
1029        int i;
1030
1031        snd_printdd("setsamplerate intdec: %d,%d rate: %d\n", intdec[0],
1032                    intdec[1], rate);
1033        D = 48000;
1034        M = ((rate == 48000) ? 47999 : rate) * 65536;
1035        N = M % D;
1036        M /= D;
1037        for (i = 0; i < 2; i++) {
1038                if (*intdec != 0xff) {
1039                        do {
1040                                SEND_SSRC(cif, *intdec, D, M, N);
1041                                SEND_RSRC(cif, *intdec, &rptr);
1042                        } while (rptr.retwords[1] != D &&
1043                                 rptr.retwords[2] != M &&
1044                                 rptr.retwords[3] != N &&
1045                                 i++ < MAX_WRITE_RETRY);
1046                        if (i > MAX_WRITE_RETRY) {
1047                                snd_printdd("sent samplerate %d: %d failed\n",
1048                                            *intdec, rate);
1049                                return -EIO;
1050                        }
1051                }
1052                intdec++;
1053        }
1054        return 0;
1055}
1056
1057static int
1058getmixer(struct cmdif *cif, short num, unsigned short *rval,
1059         unsigned short *lval)
1060{
1061        union cmdret rptr = CMDRET_ZERO;
1062
1063        if (SEND_RDGV(cif, num, num, &rptr) && SEND_RDGV(cif, num, num, &rptr))
1064                return -EIO;
1065        *rval = rptr.retwords[0];
1066        *lval = rptr.retwords[1];
1067        snd_printdd("got mixer %d: 0x%x 0x%x\n", num, *rval, *lval);
1068        return 0;
1069}
1070
1071static irqreturn_t riptide_handleirq(int irq, void *dev_id)
1072{
1073        struct snd_riptide *chip = dev_id;
1074        struct cmdif *cif = chip->cif;
1075        struct snd_pcm_substream *substream[PLAYBACK_SUBSTREAMS + 1];
1076        struct snd_pcm_runtime *runtime;
1077        struct pcmhw *data = NULL;
1078        unsigned int pos, period_bytes;
1079        struct sgd *c;
1080        int i, j;
1081        unsigned int flag;
1082
1083        if (!cif)
1084                return IRQ_HANDLED;
1085
1086        for (i = 0; i < PLAYBACK_SUBSTREAMS; i++)
1087                substream[i] = chip->playback_substream[i];
1088        substream[i] = chip->capture_substream;
1089        for (i = 0; i < PLAYBACK_SUBSTREAMS + 1; i++) {
1090                if (!substream[i])
1091                        continue;
1092                runtime = substream[i]->runtime;
1093                if (!runtime)
1094                        continue;
1095                data = runtime->private_data;
1096                if (!data)
1097                        continue;
1098                if (data->state != ST_STOP) {
1099                        pos = 0;
1100                        for (j = 0; j < data->pages; j++) {
1101                                c = &data->sgdbuf[j];
1102                                flag = le32_to_cpu(c->dwStat_Ctl);
1103                                if (flag & EOB_STATUS)
1104                                        pos += le32_to_cpu(c->dwSegLen);
1105                                if (flag & EOC_STATUS)
1106                                        pos += le32_to_cpu(c->dwSegLen);
1107                                if ((flag & EOS_STATUS)
1108                                    && (data->state == ST_PLAY)) {
1109                                        data->state = ST_STOP;
1110                                        snd_printk(KERN_ERR
1111                                                   "Riptide: DMA stopped unexpectedly\n");
1112                                }
1113                                c->dwStat_Ctl =
1114                                    cpu_to_le32(flag &
1115                                                ~(EOS_STATUS | EOB_STATUS |
1116                                                  EOC_STATUS));
1117                        }
1118                        data->pointer += pos;
1119                        pos += data->oldpos;
1120                        if (data->state != ST_STOP) {
1121                                period_bytes =
1122                                    frames_to_bytes(runtime,
1123                                                    runtime->period_size);
1124                                snd_printdd
1125                                    ("interrupt 0x%x after 0x%lx of 0x%lx frames in period\n",
1126                                     READ_AUDIO_STATUS(cif->hwport),
1127                                     bytes_to_frames(runtime, pos),
1128                                     runtime->period_size);
1129                                j = 0;
1130                                if (pos >= period_bytes) {
1131                                        j++;
1132                                        while (pos >= period_bytes)
1133                                                pos -= period_bytes;
1134                                }
1135                                data->oldpos = pos;
1136                                if (j > 0)
1137                                        snd_pcm_period_elapsed(substream[i]);
1138                        }
1139                }
1140        }
1141
1142        return IRQ_HANDLED;
1143}
1144
1145#ifdef CONFIG_PM_SLEEP
1146static int riptide_suspend(struct device *dev)
1147{
1148        struct snd_card *card = dev_get_drvdata(dev);
1149        struct snd_riptide *chip = card->private_data;
1150
1151        chip->in_suspend = 1;
1152        snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1153        snd_ac97_suspend(chip->ac97);
1154        return 0;
1155}
1156
1157static int riptide_resume(struct device *dev)
1158{
1159        struct snd_card *card = dev_get_drvdata(dev);
1160        struct snd_riptide *chip = card->private_data;
1161
1162        snd_riptide_initialize(chip);
1163        snd_ac97_resume(chip->ac97);
1164        snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1165        chip->in_suspend = 0;
1166        return 0;
1167}
1168
1169static SIMPLE_DEV_PM_OPS(riptide_pm, riptide_suspend, riptide_resume);
1170#define RIPTIDE_PM_OPS  &riptide_pm
1171#else
1172#define RIPTIDE_PM_OPS  NULL
1173#endif /* CONFIG_PM_SLEEP */
1174
1175static int try_to_load_firmware(struct cmdif *cif, struct snd_riptide *chip)
1176{
1177        union firmware_version firmware = { .ret = CMDRET_ZERO };
1178        int i, timeout, err;
1179
1180        for (i = 0; i < 2; i++) {
1181                WRITE_PORT_ULONG(cif->hwport->port[i].data1, 0);
1182                WRITE_PORT_ULONG(cif->hwport->port[i].data2, 0);
1183        }
1184        SET_GRESET(cif->hwport);
1185        udelay(100);
1186        UNSET_GRESET(cif->hwport);
1187        udelay(100);
1188
1189        for (timeout = 100000; --timeout; udelay(10)) {
1190                if (IS_READY(cif->hwport) && !IS_GERR(cif->hwport))
1191                        break;
1192        }
1193        if (!timeout) {
1194                snd_printk(KERN_ERR
1195                           "Riptide: device not ready, audio status: 0x%x "
1196                           "ready: %d gerr: %d\n",
1197                           READ_AUDIO_STATUS(cif->hwport),
1198                           IS_READY(cif->hwport), IS_GERR(cif->hwport));
1199                return -EIO;
1200        } else {
1201                snd_printdd
1202                        ("Riptide: audio status: 0x%x ready: %d gerr: %d\n",
1203                         READ_AUDIO_STATUS(cif->hwport),
1204                         IS_READY(cif->hwport), IS_GERR(cif->hwport));
1205        }
1206
1207        SEND_GETV(cif, &firmware.ret);
1208        snd_printdd("Firmware version: ASIC: %d CODEC %d AUXDSP %d PROG %d\n",
1209                    firmware.firmware.ASIC, firmware.firmware.CODEC,
1210                    firmware.firmware.AUXDSP, firmware.firmware.PROG);
1211
1212        if (!chip)
1213                return 1;
1214
1215        for (i = 0; i < FIRMWARE_VERSIONS; i++) {
1216                if (!memcmp(&firmware_versions[i], &firmware, sizeof(firmware)))
1217                        return 1; /* OK */
1218
1219        }
1220
1221        snd_printdd("Writing Firmware\n");
1222        if (!chip->fw_entry) {
1223                err = request_firmware(&chip->fw_entry, "riptide.hex",
1224                                       &chip->pci->dev);
1225                if (err) {
1226                        snd_printk(KERN_ERR
1227                                   "Riptide: Firmware not available %d\n", err);
1228                        return -EIO;
1229                }
1230        }
1231        err = loadfirmware(cif, chip->fw_entry->data, chip->fw_entry->size);
1232        if (err) {
1233                snd_printk(KERN_ERR
1234                           "Riptide: Could not load firmware %d\n", err);
1235                return err;
1236        }
1237
1238        chip->firmware = firmware;
1239
1240        return 1; /* OK */
1241}
1242
1243static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip)
1244{
1245        union cmdret rptr = CMDRET_ZERO;
1246        int err, tries;
1247
1248        if (!cif)
1249                return -EINVAL;
1250
1251        cif->cmdcnt = 0;
1252        cif->cmdtime = 0;
1253        cif->cmdtimemax = 0;
1254        cif->cmdtimemin = 0xffffffff;
1255        cif->errcnt = 0;
1256        cif->is_reset = 0;
1257
1258        tries = RESET_TRIES;
1259        do {
1260                err = try_to_load_firmware(cif, chip);
1261                if (err < 0)
1262                        return err;
1263        } while (!err && --tries);
1264
1265        SEND_SACR(cif, 0, AC97_RESET);
1266        SEND_RACR(cif, AC97_RESET, &rptr);
1267        snd_printdd("AC97: 0x%x 0x%x\n", rptr.retlongs[0], rptr.retlongs[1]);
1268
1269        SEND_PLST(cif, 0);
1270        SEND_SLST(cif, 0);
1271        SEND_DLST(cif, 0);
1272        SEND_ALST(cif, 0);
1273        SEND_KDMA(cif);
1274
1275        writearm(cif, 0x301F8, 1, 1);
1276        writearm(cif, 0x301F4, 1, 1);
1277
1278        SEND_LSEL(cif, MODEM_CMD, 0, 0, MODEM_INTDEC, MODEM_MERGER,
1279                  MODEM_SPLITTER, MODEM_MIXER);
1280        setmixer(cif, MODEM_MIXER, 0x7fff, 0x7fff);
1281        alloclbuspath(cif, ARM2LBUS_FIFO13, lbus_play_modem, NULL, NULL);
1282
1283        SEND_LSEL(cif, FM_CMD, 0, 0, FM_INTDEC, FM_MERGER, FM_SPLITTER,
1284                  FM_MIXER);
1285        setmixer(cif, FM_MIXER, 0x7fff, 0x7fff);
1286        writearm(cif, 0x30648 + FM_MIXER * 4, 0x01, 0x00000005);
1287        writearm(cif, 0x301A8, 0x02, 0x00000002);
1288        writearm(cif, 0x30264, 0x08, 0xffffffff);
1289        alloclbuspath(cif, OPL3_SAMPLE, lbus_play_opl3, NULL, NULL);
1290
1291        SEND_SSRC(cif, I2S_INTDEC, 48000,
1292                  ((u32) I2S_RATE * 65536) / 48000,
1293                  ((u32) I2S_RATE * 65536) % 48000);
1294        SEND_LSEL(cif, I2S_CMD0, 0, 0, I2S_INTDEC, I2S_MERGER, I2S_SPLITTER,
1295                  I2S_MIXER);
1296        SEND_SI2S(cif, 1);
1297        alloclbuspath(cif, ARM2LBUS_FIFO0, lbus_play_i2s, NULL, NULL);
1298        alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_out, NULL, NULL);
1299        alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_outhp, NULL, NULL);
1300
1301        SET_AIACK(cif->hwport);
1302        SET_AIE(cif->hwport);
1303        SET_AIACK(cif->hwport);
1304        cif->is_reset = 1;
1305
1306        return 0;
1307}
1308
1309static const struct snd_pcm_hardware snd_riptide_playback = {
1310        .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1311                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1312                 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1313        .formats =
1314            SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1315            | SNDRV_PCM_FMTBIT_U16_LE,
1316        .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1317        .rate_min = 5500,
1318        .rate_max = 48000,
1319        .channels_min = 1,
1320        .channels_max = 2,
1321        .buffer_bytes_max = (64 * 1024),
1322        .period_bytes_min = PAGE_SIZE >> 1,
1323        .period_bytes_max = PAGE_SIZE << 8,
1324        .periods_min = 2,
1325        .periods_max = 64,
1326        .fifo_size = 0,
1327};
1328static const struct snd_pcm_hardware snd_riptide_capture = {
1329        .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1330                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1331                 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1332        .formats =
1333            SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1334            | SNDRV_PCM_FMTBIT_U16_LE,
1335        .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1336        .rate_min = 5500,
1337        .rate_max = 48000,
1338        .channels_min = 1,
1339        .channels_max = 2,
1340        .buffer_bytes_max = (64 * 1024),
1341        .period_bytes_min = PAGE_SIZE >> 1,
1342        .period_bytes_max = PAGE_SIZE << 3,
1343        .periods_min = 2,
1344        .periods_max = 64,
1345        .fifo_size = 0,
1346};
1347
1348static snd_pcm_uframes_t snd_riptide_pointer(struct snd_pcm_substream
1349                                             *substream)
1350{
1351        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1352        struct snd_pcm_runtime *runtime = substream->runtime;
1353        struct pcmhw *data = get_pcmhwdev(substream);
1354        struct cmdif *cif = chip->cif;
1355        union cmdret rptr = CMDRET_ZERO;
1356        snd_pcm_uframes_t ret;
1357
1358        SEND_GPOS(cif, 0, data->id, &rptr);
1359        if (data->size && runtime->period_size) {
1360                snd_printdd
1361                    ("pointer stream %d position 0x%x(0x%x in buffer) bytes 0x%lx(0x%lx in period) frames\n",
1362                     data->id, rptr.retlongs[1], rptr.retlongs[1] % data->size,
1363                     bytes_to_frames(runtime, rptr.retlongs[1]),
1364                     bytes_to_frames(runtime,
1365                                     rptr.retlongs[1]) % runtime->period_size);
1366                if (rptr.retlongs[1] > data->pointer)
1367                        ret =
1368                            bytes_to_frames(runtime,
1369                                            rptr.retlongs[1] % data->size);
1370                else
1371                        ret =
1372                            bytes_to_frames(runtime,
1373                                            data->pointer % data->size);
1374        } else {
1375                snd_printdd("stream not started or strange parms (%d %ld)\n",
1376                            data->size, runtime->period_size);
1377                ret = bytes_to_frames(runtime, 0);
1378        }
1379        return ret;
1380}
1381
1382static int snd_riptide_trigger(struct snd_pcm_substream *substream, int cmd)
1383{
1384        int i, j;
1385        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1386        struct pcmhw *data = get_pcmhwdev(substream);
1387        struct cmdif *cif = chip->cif;
1388        union cmdret rptr = CMDRET_ZERO;
1389
1390        spin_lock(&chip->lock);
1391        switch (cmd) {
1392        case SNDRV_PCM_TRIGGER_START:
1393        case SNDRV_PCM_TRIGGER_RESUME:
1394                if (!(data->state & ST_PLAY)) {
1395                        SEND_SSTR(cif, data->id, data->sgdlist.addr);
1396                        SET_AIE(cif->hwport);
1397                        data->state = ST_PLAY;
1398                        if (data->mixer != 0xff)
1399                                setmixer(cif, data->mixer, 0x7fff, 0x7fff);
1400                        chip->openstreams++;
1401                        data->oldpos = 0;
1402                        data->pointer = 0;
1403                }
1404                break;
1405        case SNDRV_PCM_TRIGGER_STOP:
1406        case SNDRV_PCM_TRIGGER_SUSPEND:
1407                if (data->mixer != 0xff)
1408                        setmixer(cif, data->mixer, 0, 0);
1409                setmixer(cif, data->mixer, 0, 0);
1410                SEND_KSTR(cif, data->id);
1411                data->state = ST_STOP;
1412                chip->openstreams--;
1413                j = 0;
1414                do {
1415                        i = rptr.retlongs[1];
1416                        SEND_GPOS(cif, 0, data->id, &rptr);
1417                        udelay(1);
1418                } while (i != rptr.retlongs[1] && j++ < MAX_WRITE_RETRY);
1419                if (j > MAX_WRITE_RETRY)
1420                        snd_printk(KERN_ERR "Riptide: Could not stop stream!");
1421                break;
1422        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1423                if (!(data->state & ST_PAUSE)) {
1424                        SEND_PSTR(cif, data->id);
1425                        data->state |= ST_PAUSE;
1426                        chip->openstreams--;
1427                }
1428                break;
1429        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1430                if (data->state & ST_PAUSE) {
1431                        SEND_SSTR(cif, data->id, data->sgdlist.addr);
1432                        data->state &= ~ST_PAUSE;
1433                        chip->openstreams++;
1434                }
1435                break;
1436        default:
1437                spin_unlock(&chip->lock);
1438                return -EINVAL;
1439        }
1440        spin_unlock(&chip->lock);
1441        return 0;
1442}
1443
1444static int snd_riptide_prepare(struct snd_pcm_substream *substream)
1445{
1446        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1447        struct snd_pcm_runtime *runtime = substream->runtime;
1448        struct pcmhw *data = get_pcmhwdev(substream);
1449        struct cmdif *cif = chip->cif;
1450        const unsigned char *lbuspath = NULL;
1451        unsigned int rate, channels;
1452        int err = 0;
1453        snd_pcm_format_t format;
1454
1455        if (snd_BUG_ON(!cif || !data))
1456                return -EINVAL;
1457
1458        snd_printdd("prepare id %d ch: %d f:0x%x r:%d\n", data->id,
1459                    runtime->channels, runtime->format, runtime->rate);
1460
1461        spin_lock_irq(&chip->lock);
1462        channels = runtime->channels;
1463        format = runtime->format;
1464        rate = runtime->rate;
1465        switch (channels) {
1466        case 1:
1467                if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1468                        lbuspath = data->paths.noconv;
1469                else
1470                        lbuspath = data->paths.mono;
1471                break;
1472        case 2:
1473                if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1474                        lbuspath = data->paths.noconv;
1475                else
1476                        lbuspath = data->paths.stereo;
1477                break;
1478        }
1479        snd_printdd("use sgdlist at 0x%p\n",
1480                    data->sgdlist.area);
1481        if (data->sgdlist.area) {
1482                unsigned int i, j, size, pages, f, pt, period;
1483                struct sgd *c, *p = NULL;
1484
1485                size = frames_to_bytes(runtime, runtime->buffer_size);
1486                period = frames_to_bytes(runtime, runtime->period_size);
1487                f = PAGE_SIZE;
1488                while ((size + (f >> 1) - 1) <= (f << 7) && (f << 1) > period)
1489                        f = f >> 1;
1490                pages = DIV_ROUND_UP(size, f);
1491                data->size = size;
1492                data->pages = pages;
1493                snd_printdd
1494                    ("create sgd size: 0x%x pages %d of size 0x%x for period 0x%x\n",
1495                     size, pages, f, period);
1496                pt = 0;
1497                j = 0;
1498                for (i = 0; i < pages; i++) {
1499                        unsigned int ofs, addr;
1500                        c = &data->sgdbuf[i];
1501                        if (p)
1502                                p->dwNextLink = cpu_to_le32(data->sgdlist.addr +
1503                                                            (i *
1504                                                             sizeof(struct
1505                                                                    sgd)));
1506                        c->dwNextLink = cpu_to_le32(data->sgdlist.addr);
1507                        ofs = j << PAGE_SHIFT;
1508                        addr = snd_pcm_sgbuf_get_addr(substream, ofs) + pt;
1509                        c->dwSegPtrPhys = cpu_to_le32(addr);
1510                        pt = (pt + f) % PAGE_SIZE;
1511                        if (pt == 0)
1512                                j++;
1513                        c->dwSegLen = cpu_to_le32(f);
1514                        c->dwStat_Ctl =
1515                            cpu_to_le32(IEOB_ENABLE | IEOS_ENABLE |
1516                                        IEOC_ENABLE);
1517                        p = c;
1518                        size -= f;
1519                }
1520                data->sgdbuf[i].dwSegLen = cpu_to_le32(size);
1521        }
1522        if (lbuspath && lbuspath != data->lbuspath) {
1523                if (data->lbuspath)
1524                        freelbuspath(cif, data->source, data->lbuspath);
1525                alloclbuspath(cif, data->source, lbuspath,
1526                              &data->mixer, data->intdec);
1527                data->lbuspath = lbuspath;
1528                data->rate = 0;
1529        }
1530        if (data->rate != rate || data->format != format ||
1531            data->channels != channels) {
1532                data->rate = rate;
1533                data->format = format;
1534                data->channels = channels;
1535                if (setsampleformat
1536                    (cif, data->mixer, data->id, channels, format)
1537                    || setsamplerate(cif, data->intdec, rate))
1538                        err = -EIO;
1539        }
1540        spin_unlock_irq(&chip->lock);
1541        return err;
1542}
1543
1544static int
1545snd_riptide_hw_params(struct snd_pcm_substream *substream,
1546                      struct snd_pcm_hw_params *hw_params)
1547{
1548        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1549        struct pcmhw *data = get_pcmhwdev(substream);
1550        struct snd_dma_buffer *sgdlist = &data->sgdlist;
1551        int err;
1552
1553        snd_printdd("hw params id %d (sgdlist: 0x%p 0x%lx %d)\n", data->id,
1554                    sgdlist->area, (unsigned long)sgdlist->addr,
1555                    (int)sgdlist->bytes);
1556        if (sgdlist->area)
1557                snd_dma_free_pages(sgdlist);
1558        err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &chip->pci->dev,
1559                                  sizeof(struct sgd) * (DESC_MAX_MASK + 1),
1560                                  sgdlist);
1561        if (err < 0) {
1562                snd_printk(KERN_ERR "Riptide: failed to alloc %d dma bytes\n",
1563                           (int)sizeof(struct sgd) * (DESC_MAX_MASK + 1));
1564                return err;
1565        }
1566        data->sgdbuf = (struct sgd *)sgdlist->area;
1567        return 0;
1568}
1569
1570static int snd_riptide_hw_free(struct snd_pcm_substream *substream)
1571{
1572        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1573        struct pcmhw *data = get_pcmhwdev(substream);
1574        struct cmdif *cif = chip->cif;
1575
1576        if (cif && data) {
1577                if (data->lbuspath)
1578                        freelbuspath(cif, data->source, data->lbuspath);
1579                data->lbuspath = NULL;
1580                data->source = 0xff;
1581                data->intdec[0] = 0xff;
1582                data->intdec[1] = 0xff;
1583
1584                if (data->sgdlist.area) {
1585                        snd_dma_free_pages(&data->sgdlist);
1586                        data->sgdlist.area = NULL;
1587                }
1588        }
1589        return 0;
1590}
1591
1592static int snd_riptide_playback_open(struct snd_pcm_substream *substream)
1593{
1594        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1595        struct snd_pcm_runtime *runtime = substream->runtime;
1596        struct pcmhw *data;
1597        int sub_num = substream->number;
1598
1599        chip->playback_substream[sub_num] = substream;
1600        runtime->hw = snd_riptide_playback;
1601
1602        data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1603        if (data == NULL)
1604                return -ENOMEM;
1605        data->paths = lbus_play_paths[sub_num];
1606        data->id = play_ids[sub_num];
1607        data->source = play_sources[sub_num];
1608        data->intdec[0] = 0xff;
1609        data->intdec[1] = 0xff;
1610        data->state = ST_STOP;
1611        runtime->private_data = data;
1612        return snd_pcm_hw_constraint_integer(runtime,
1613                                             SNDRV_PCM_HW_PARAM_PERIODS);
1614}
1615
1616static int snd_riptide_capture_open(struct snd_pcm_substream *substream)
1617{
1618        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1619        struct snd_pcm_runtime *runtime = substream->runtime;
1620        struct pcmhw *data;
1621
1622        chip->capture_substream = substream;
1623        runtime->hw = snd_riptide_capture;
1624
1625        data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1626        if (data == NULL)
1627                return -ENOMEM;
1628        data->paths = lbus_rec_path;
1629        data->id = PADC;
1630        data->source = ACLNK2PADC;
1631        data->intdec[0] = 0xff;
1632        data->intdec[1] = 0xff;
1633        data->state = ST_STOP;
1634        runtime->private_data = data;
1635        return snd_pcm_hw_constraint_integer(runtime,
1636                                             SNDRV_PCM_HW_PARAM_PERIODS);
1637}
1638
1639static int snd_riptide_playback_close(struct snd_pcm_substream *substream)
1640{
1641        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1642        struct pcmhw *data = get_pcmhwdev(substream);
1643        int sub_num = substream->number;
1644
1645        substream->runtime->private_data = NULL;
1646        chip->playback_substream[sub_num] = NULL;
1647        kfree(data);
1648        return 0;
1649}
1650
1651static int snd_riptide_capture_close(struct snd_pcm_substream *substream)
1652{
1653        struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1654        struct pcmhw *data = get_pcmhwdev(substream);
1655
1656        substream->runtime->private_data = NULL;
1657        chip->capture_substream = NULL;
1658        kfree(data);
1659        return 0;
1660}
1661
1662static const struct snd_pcm_ops snd_riptide_playback_ops = {
1663        .open = snd_riptide_playback_open,
1664        .close = snd_riptide_playback_close,
1665        .hw_params = snd_riptide_hw_params,
1666        .hw_free = snd_riptide_hw_free,
1667        .prepare = snd_riptide_prepare,
1668        .trigger = snd_riptide_trigger,
1669        .pointer = snd_riptide_pointer,
1670};
1671static const struct snd_pcm_ops snd_riptide_capture_ops = {
1672        .open = snd_riptide_capture_open,
1673        .close = snd_riptide_capture_close,
1674        .hw_params = snd_riptide_hw_params,
1675        .hw_free = snd_riptide_hw_free,
1676        .prepare = snd_riptide_prepare,
1677        .trigger = snd_riptide_trigger,
1678        .pointer = snd_riptide_pointer,
1679};
1680
1681static int snd_riptide_pcm(struct snd_riptide *chip, int device)
1682{
1683        struct snd_pcm *pcm;
1684        int err;
1685
1686        err = snd_pcm_new(chip->card, "RIPTIDE", device, PLAYBACK_SUBSTREAMS, 1,
1687                          &pcm);
1688        if (err < 0)
1689                return err;
1690        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1691                        &snd_riptide_playback_ops);
1692        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1693                        &snd_riptide_capture_ops);
1694        pcm->private_data = chip;
1695        pcm->info_flags = 0;
1696        strcpy(pcm->name, "RIPTIDE");
1697        chip->pcm = pcm;
1698        snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1699                                       &chip->pci->dev, 64 * 1024, 128 * 1024);
1700        return 0;
1701}
1702
1703static irqreturn_t
1704snd_riptide_interrupt(int irq, void *dev_id)
1705{
1706        struct snd_riptide *chip = dev_id;
1707        struct cmdif *cif = chip->cif;
1708        irqreturn_t ret = IRQ_HANDLED;
1709
1710        if (cif) {
1711                chip->received_irqs++;
1712                if (IS_EOBIRQ(cif->hwport) || IS_EOSIRQ(cif->hwport) ||
1713                    IS_EOCIRQ(cif->hwport)) {
1714                        chip->handled_irqs++;
1715                        ret = IRQ_WAKE_THREAD;
1716                }
1717                if (chip->rmidi && IS_MPUIRQ(cif->hwport)) {
1718                        chip->handled_irqs++;
1719                        snd_mpu401_uart_interrupt(irq,
1720                                                  chip->rmidi->private_data);
1721                }
1722                SET_AIACK(cif->hwport);
1723        }
1724        return ret;
1725}
1726
1727static void
1728snd_riptide_codec_write(struct snd_ac97 *ac97, unsigned short reg,
1729                        unsigned short val)
1730{
1731        struct snd_riptide *chip = ac97->private_data;
1732        struct cmdif *cif = chip->cif;
1733        union cmdret rptr = CMDRET_ZERO;
1734        int i = 0;
1735
1736        if (snd_BUG_ON(!cif))
1737                return;
1738
1739        snd_printdd("Write AC97 reg 0x%x 0x%x\n", reg, val);
1740        do {
1741                SEND_SACR(cif, val, reg);
1742                SEND_RACR(cif, reg, &rptr);
1743        } while (rptr.retwords[1] != val && i++ < MAX_WRITE_RETRY);
1744        if (i > MAX_WRITE_RETRY)
1745                snd_printdd("Write AC97 reg failed\n");
1746}
1747
1748static unsigned short snd_riptide_codec_read(struct snd_ac97 *ac97,
1749                                             unsigned short reg)
1750{
1751        struct snd_riptide *chip = ac97->private_data;
1752        struct cmdif *cif = chip->cif;
1753        union cmdret rptr = CMDRET_ZERO;
1754
1755        if (snd_BUG_ON(!cif))
1756                return 0;
1757
1758        if (SEND_RACR(cif, reg, &rptr) != 0)
1759                SEND_RACR(cif, reg, &rptr);
1760        snd_printdd("Read AC97 reg 0x%x got 0x%x\n", reg, rptr.retwords[1]);
1761        return rptr.retwords[1];
1762}
1763
1764static int snd_riptide_initialize(struct snd_riptide *chip)
1765{
1766        struct cmdif *cif;
1767        unsigned int device_id;
1768        int err;
1769
1770        if (snd_BUG_ON(!chip))
1771                return -EINVAL;
1772
1773        cif = chip->cif;
1774        if (!cif) {
1775                cif = kzalloc(sizeof(struct cmdif), GFP_KERNEL);
1776                if (!cif)
1777                        return -ENOMEM;
1778                cif->hwport = (struct riptideport *)chip->port;
1779                spin_lock_init(&cif->lock);
1780                chip->cif = cif;
1781        }
1782        cif->is_reset = 0;
1783        err = riptide_reset(cif, chip);
1784        if (err)
1785                return err;
1786        device_id = chip->device_id;
1787        switch (device_id) {
1788        case 0x4310:
1789        case 0x4320:
1790        case 0x4330:
1791                snd_printdd("Modem enable?\n");
1792                SEND_SETDPLL(cif);
1793                break;
1794        }
1795        snd_printdd("Enabling MPU IRQs\n");
1796        if (chip->rmidi)
1797                SET_EMPUIRQ(cif->hwport);
1798        return err;
1799}
1800
1801static void snd_riptide_free(struct snd_card *card)
1802{
1803        struct snd_riptide *chip = card->private_data;
1804        struct cmdif *cif;
1805
1806        cif = chip->cif;
1807        if (cif) {
1808                SET_GRESET(cif->hwport);
1809                udelay(100);
1810                UNSET_GRESET(cif->hwport);
1811                kfree(chip->cif);
1812        }
1813        release_firmware(chip->fw_entry);
1814}
1815
1816static int
1817snd_riptide_create(struct snd_card *card, struct pci_dev *pci)
1818{
1819        struct snd_riptide *chip = card->private_data;
1820        struct riptideport *hwport;
1821        int err;
1822
1823        err = pcim_enable_device(pci);
1824        if (err < 0)
1825                return err;
1826
1827        spin_lock_init(&chip->lock);
1828        chip->card = card;
1829        chip->pci = pci;
1830        chip->irq = -1;
1831        chip->openstreams = 0;
1832        chip->port = pci_resource_start(pci, 0);
1833        chip->received_irqs = 0;
1834        chip->handled_irqs = 0;
1835        chip->cif = NULL;
1836        card->private_free = snd_riptide_free;
1837
1838        err = pci_request_regions(pci, "RIPTIDE");
1839        if (err < 0)
1840                return err;
1841        hwport = (struct riptideport *)chip->port;
1842        UNSET_AIE(hwport);
1843
1844        if (devm_request_threaded_irq(&pci->dev, pci->irq,
1845                                      snd_riptide_interrupt,
1846                                      riptide_handleirq, IRQF_SHARED,
1847                                      KBUILD_MODNAME, chip)) {
1848                snd_printk(KERN_ERR "Riptide: unable to grab IRQ %d\n",
1849                           pci->irq);
1850                return -EBUSY;
1851        }
1852        chip->irq = pci->irq;
1853        card->sync_irq = chip->irq;
1854        chip->device_id = pci->device;
1855        pci_set_master(pci);
1856        err = snd_riptide_initialize(chip);
1857        if (err < 0)
1858                return err;
1859
1860        return 0;
1861}
1862
1863static void
1864snd_riptide_proc_read(struct snd_info_entry *entry,
1865                      struct snd_info_buffer *buffer)
1866{
1867        struct snd_riptide *chip = entry->private_data;
1868        struct pcmhw *data;
1869        int i;
1870        struct cmdif *cif = NULL;
1871        unsigned char p[256];
1872        unsigned short rval = 0, lval = 0;
1873        unsigned int rate;
1874
1875        if (!chip)
1876                return;
1877
1878        snd_iprintf(buffer, "%s\n\n", chip->card->longname);
1879        snd_iprintf(buffer, "Device ID: 0x%x\nReceived IRQs: (%ld)%ld\nPorts:",
1880                    chip->device_id, chip->handled_irqs, chip->received_irqs);
1881        for (i = 0; i < 64; i += 4)
1882                snd_iprintf(buffer, "%c%02x: %08x",
1883                            (i % 16) ? ' ' : '\n', i, inl(chip->port + i));
1884        cif = chip->cif;
1885        if (cif) {
1886                snd_iprintf(buffer,
1887                            "\nVersion: ASIC: %d CODEC: %d AUXDSP: %d PROG: %d",
1888                            chip->firmware.firmware.ASIC,
1889                            chip->firmware.firmware.CODEC,
1890                            chip->firmware.firmware.AUXDSP,
1891                            chip->firmware.firmware.PROG);
1892                snd_iprintf(buffer, "\nDigital mixer:");
1893                for (i = 0; i < 12; i++) {
1894                        getmixer(cif, i, &rval, &lval);
1895                        snd_iprintf(buffer, "\n %d: %d %d", i, rval, lval);
1896                }
1897                snd_iprintf(buffer,
1898                            "\nARM Commands num: %d failed: %d time: %d max: %d min: %d",
1899                            cif->cmdcnt, cif->errcnt,
1900                            cif->cmdtime, cif->cmdtimemax, cif->cmdtimemin);
1901        }
1902        snd_iprintf(buffer, "\nOpen streams %d:\n", chip->openstreams);
1903        for (i = 0; i < PLAYBACK_SUBSTREAMS; i++) {
1904                if (!chip->playback_substream[i] ||
1905                    !chip->playback_substream[i]->runtime)
1906                        continue;
1907                data = chip->playback_substream[i]->runtime->private_data;
1908                if (data) {
1909                        snd_iprintf(buffer,
1910                                    "stream: %d mixer: %d source: %d (%d,%d)\n",
1911                                    data->id, data->mixer, data->source,
1912                                    data->intdec[0], data->intdec[1]);
1913                        if (!(getsamplerate(cif, data->intdec, &rate)))
1914                                snd_iprintf(buffer, "rate: %d\n", rate);
1915                }
1916        }
1917        if (chip->capture_substream && chip->capture_substream->runtime) {
1918                data = chip->capture_substream->runtime->private_data;
1919                if (data) {
1920                        snd_iprintf(buffer,
1921                                    "stream: %d mixer: %d source: %d (%d,%d)\n",
1922                                    data->id, data->mixer,
1923                                    data->source, data->intdec[0], data->intdec[1]);
1924                        if (!(getsamplerate(cif, data->intdec, &rate)))
1925                                snd_iprintf(buffer, "rate: %d\n", rate);
1926                }
1927        }
1928        snd_iprintf(buffer, "Paths:\n");
1929        i = getpaths(cif, p);
1930        while (i >= 2) {
1931                i -= 2;
1932                snd_iprintf(buffer, "%x->%x ", p[i], p[i + 1]);
1933        }
1934        snd_iprintf(buffer, "\n");
1935}
1936
1937static void snd_riptide_proc_init(struct snd_riptide *chip)
1938{
1939        snd_card_ro_proc_new(chip->card, "riptide", chip,
1940                             snd_riptide_proc_read);
1941}
1942
1943static int snd_riptide_mixer(struct snd_riptide *chip)
1944{
1945        struct snd_ac97_bus *pbus;
1946        struct snd_ac97_template ac97;
1947        int err = 0;
1948        static const struct snd_ac97_bus_ops ops = {
1949                .write = snd_riptide_codec_write,
1950                .read = snd_riptide_codec_read,
1951        };
1952
1953        memset(&ac97, 0, sizeof(ac97));
1954        ac97.private_data = chip;
1955        ac97.scaps = AC97_SCAP_SKIP_MODEM;
1956
1957        err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus);
1958        if (err < 0)
1959                return err;
1960
1961        chip->ac97_bus = pbus;
1962        ac97.pci = chip->pci;
1963        err = snd_ac97_mixer(pbus, &ac97, &chip->ac97);
1964        if (err < 0)
1965                return err;
1966        return err;
1967}
1968
1969#ifdef SUPPORT_JOYSTICK
1970
1971static int
1972snd_riptide_joystick_probe(struct pci_dev *pci, const struct pci_device_id *id)
1973{
1974        static int dev;
1975        struct gameport *gameport;
1976        int ret;
1977
1978        if (dev >= SNDRV_CARDS)
1979                return -ENODEV;
1980
1981        if (!enable[dev]) {
1982                ret = -ENOENT;
1983                goto inc_dev;
1984        }
1985
1986        if (!joystick_port[dev]) {
1987                ret = 0;
1988                goto inc_dev;
1989        }
1990
1991        gameport = gameport_allocate_port();
1992        if (!gameport) {
1993                ret = -ENOMEM;
1994                goto inc_dev;
1995        }
1996        if (!request_region(joystick_port[dev], 8, "Riptide gameport")) {
1997                snd_printk(KERN_WARNING
1998                           "Riptide: cannot grab gameport 0x%x\n",
1999                           joystick_port[dev]);
2000                gameport_free_port(gameport);
2001                ret = -EBUSY;
2002                goto inc_dev;
2003        }
2004
2005        gameport->io = joystick_port[dev];
2006        gameport_register_port(gameport);
2007        pci_set_drvdata(pci, gameport);
2008
2009        ret = 0;
2010inc_dev:
2011        dev++;
2012        return ret;
2013}
2014
2015static void snd_riptide_joystick_remove(struct pci_dev *pci)
2016{
2017        struct gameport *gameport = pci_get_drvdata(pci);
2018        if (gameport) {
2019                release_region(gameport->io, 8);
2020                gameport_unregister_port(gameport);
2021        }
2022}
2023#endif
2024
2025static int
2026snd_card_riptide_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2027{
2028        static int dev;
2029        struct snd_card *card;
2030        struct snd_riptide *chip;
2031        unsigned short val;
2032        int err;
2033
2034        if (dev >= SNDRV_CARDS)
2035                return -ENODEV;
2036        if (!enable[dev]) {
2037                dev++;
2038                return -ENOENT;
2039        }
2040
2041        err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2042                                sizeof(*chip), &card);
2043        if (err < 0)
2044                return err;
2045        chip = card->private_data;
2046        err = snd_riptide_create(card, pci);
2047        if (err < 0)
2048                return err;
2049        err = snd_riptide_pcm(chip, 0);
2050        if (err < 0)
2051                return err;
2052        err = snd_riptide_mixer(chip);
2053        if (err < 0)
2054                return err;
2055
2056        val = LEGACY_ENABLE_ALL;
2057        if (opl3_port[dev])
2058                val |= LEGACY_ENABLE_FM;
2059#ifdef SUPPORT_JOYSTICK
2060        if (joystick_port[dev])
2061                val |= LEGACY_ENABLE_GAMEPORT;
2062#endif
2063        if (mpu_port[dev])
2064                val |= LEGACY_ENABLE_MPU_INT | LEGACY_ENABLE_MPU;
2065        val |= (chip->irq << 4) & 0xf0;
2066        pci_write_config_word(chip->pci, PCI_EXT_Legacy_Mask, val);
2067        if (mpu_port[dev]) {
2068                val = mpu_port[dev];
2069                pci_write_config_word(chip->pci, PCI_EXT_MPU_Base, val);
2070                err = snd_mpu401_uart_new(card, 0, MPU401_HW_RIPTIDE,
2071                                          val, MPU401_INFO_IRQ_HOOK, -1,
2072                                          &chip->rmidi);
2073                if (err < 0)
2074                        snd_printk(KERN_WARNING
2075                                   "Riptide: Can't Allocate MPU at 0x%x\n",
2076                                   val);
2077                else
2078                        chip->mpuaddr = val;
2079        }
2080        if (opl3_port[dev]) {
2081                val = opl3_port[dev];
2082                pci_write_config_word(chip->pci, PCI_EXT_FM_Base, val);
2083                err = snd_opl3_create(card, val, val + 2,
2084                                      OPL3_HW_RIPTIDE, 0, &chip->opl3);
2085                if (err < 0)
2086                        snd_printk(KERN_WARNING
2087                                   "Riptide: Can't Allocate OPL3 at 0x%x\n",
2088                                   val);
2089                else {
2090                        chip->opladdr = val;
2091                        err = snd_opl3_hwdep_new(chip->opl3, 0, 1, NULL);
2092                        if (err < 0)
2093                                snd_printk(KERN_WARNING
2094                                           "Riptide: Can't Allocate OPL3-HWDEP\n");
2095                }
2096        }
2097#ifdef SUPPORT_JOYSTICK
2098        if (joystick_port[dev]) {
2099                val = joystick_port[dev];
2100                pci_write_config_word(chip->pci, PCI_EXT_Game_Base, val);
2101                chip->gameaddr = val;
2102        }
2103#endif
2104
2105        strcpy(card->driver, "RIPTIDE");
2106        strcpy(card->shortname, "Riptide");
2107#ifdef SUPPORT_JOYSTICK
2108        snprintf(card->longname, sizeof(card->longname),
2109                 "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x gameport 0x%x",
2110                 card->shortname, chip->port, chip->irq, chip->mpuaddr,
2111                 chip->opladdr, chip->gameaddr);
2112#else
2113        snprintf(card->longname, sizeof(card->longname),
2114                 "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x",
2115                 card->shortname, chip->port, chip->irq, chip->mpuaddr,
2116                 chip->opladdr);
2117#endif
2118        snd_riptide_proc_init(chip);
2119        err = snd_card_register(card);
2120        if (err < 0)
2121                return err;
2122        pci_set_drvdata(pci, card);
2123        dev++;
2124        return 0;
2125}
2126
2127static struct pci_driver driver = {
2128        .name = KBUILD_MODNAME,
2129        .id_table = snd_riptide_ids,
2130        .probe = snd_card_riptide_probe,
2131        .driver = {
2132                .pm = RIPTIDE_PM_OPS,
2133        },
2134};
2135
2136#ifdef SUPPORT_JOYSTICK
2137static struct pci_driver joystick_driver = {
2138        .name = KBUILD_MODNAME "-joystick",
2139        .id_table = snd_riptide_joystick_ids,
2140        .probe = snd_riptide_joystick_probe,
2141        .remove = snd_riptide_joystick_remove,
2142};
2143#endif
2144
2145static int __init alsa_card_riptide_init(void)
2146{
2147        int err;
2148        err = pci_register_driver(&driver);
2149        if (err < 0)
2150                return err;
2151#if defined(SUPPORT_JOYSTICK)
2152        err = pci_register_driver(&joystick_driver);
2153        /* On failure unregister formerly registered audio driver */
2154        if (err < 0)
2155                pci_unregister_driver(&driver);
2156#endif
2157        return err;
2158}
2159
2160static void __exit alsa_card_riptide_exit(void)
2161{
2162        pci_unregister_driver(&driver);
2163#if defined(SUPPORT_JOYSTICK)
2164        pci_unregister_driver(&joystick_driver);
2165#endif
2166}
2167
2168module_init(alsa_card_riptide_init);
2169module_exit(alsa_card_riptide_exit);
2170