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