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TOMOYO Linux Cross Reference
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 
103 MODULE_AUTHOR("Peter Gruber <nokos@gmx.net>");
104 MODULE_DESCRIPTION("riptide");
105 MODULE_LICENSE("GPL");
106 MODULE_FIRMWARE("riptide.hex");
107 
108 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
109 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
110 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
111 
112 #ifdef SUPPORT_JOYSTICK
113 static int joystick_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x200 };
114 #endif
115 static int mpu_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x330 };
116 static int opl3_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x388 };
117 
118 module_param_array(index, int, NULL, 0444);
119 MODULE_PARM_DESC(index, "Index value for Riptide soundcard.");
120 module_param_array(id, charp, NULL, 0444);
121 MODULE_PARM_DESC(id, "ID string for Riptide soundcard.");
122 module_param_array(enable, bool, NULL, 0444);
123 MODULE_PARM_DESC(enable, "Enable Riptide soundcard.");
124 #ifdef SUPPORT_JOYSTICK
125 module_param_hw_array(joystick_port, int, ioport, NULL, 0444);
126 MODULE_PARM_DESC(joystick_port, "Joystick port # for Riptide soundcard.");
127 #endif
128 module_param_hw_array(mpu_port, int, ioport, NULL, 0444);
129 MODULE_PARM_DESC(mpu_port, "MPU401 port # for Riptide driver.");
130 module_param_hw_array(opl3_port, int, ioport, NULL, 0444);
131 MODULE_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 
299 enum FIRMWARE {
300         DATA_REC = 0, EXT_END_OF_FILE, EXT_SEG_ADDR_REC, EXT_GOTO_CMD_REC,
301         EXT_LIN_ADDR_REC,
302 };
303 
304 enum 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 
313 enum 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 
330 enum 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 
347 enum 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 
353 enum 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 
360 enum { SB_CMD = 0, MODEM_CMD, I2S_CMD0, I2S_CMD1, FM_CMD, MAX_CMD };
361 
362 struct lbuspath {
363         const unsigned char *noconv;
364         const unsigned char *stereo;
365         const unsigned char *mono;
366 };
367 
368 struct cmdport {
369         u32 data1;              /* cmd,param */
370         u32 data2;              /* param */
371         u32 stat;               /* status */
372         u32 pad[5];
373 };
374 
375 struct riptideport {
376         u32 audio_control;      /* status registers */
377         u32 audio_status;
378         u32 pad[2];
379         struct cmdport port[2]; /* command ports */
380 };
381 
382 struct 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 
393 struct riptide_firmware {
394         u16 ASIC;
395         u16 CODEC;
396         u16 AUXDSP;
397         u16 PROG;
398 };
399 
400 union cmdret {
401         u8 retbytes[8];
402         u16 retwords[4];
403         u32 retlongs[2];
404 };
405 
406 union 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
414 struct 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 
456 struct sgd {                    /* scatter gather desriptor */
457         __le32 dwNextLink;
458         __le32 dwSegPtrPhys;
459         __le32 dwSegLen;
460         __le32 dwStat_Ctl;
461 };
462 
463 struct 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 
484 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
485                    union cmdret *ret);
486 static int getsourcesink(struct cmdif *cif, unsigned char source,
487                          unsigned char sink, unsigned char *a,
488                          unsigned char *b);
489 static int snd_riptide_initialize(struct snd_riptide *chip);
490 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip);
491 
492 /*
493  */
494 
495 static 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
504 static 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 
513 MODULE_DEVICE_TABLE(pci, snd_riptide_ids);
514 
515 /*
516  */
517 
518 static 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 
558 static const unsigned char lbus_play_opl3[] = {
559         DIGITAL_MIXER_IN0 + FM_MIXER, 0xff
560 };
561 static const unsigned char lbus_play_modem[] = {
562         DIGITAL_MIXER_IN0 + MODEM_MIXER, 0xff
563 };
564 static const unsigned char lbus_play_i2s[] = {
565         INTER0_IN + I2S_INTDEC, DIGITAL_MIXER_IN0 + I2S_MIXER, 0xff
566 };
567 static const unsigned char lbus_play_out[] = {
568         PDAC2ACLNK, 0xff
569 };
570 static const unsigned char lbus_play_outhp[] = {
571         HNDSPK2ACLNK, 0xff
572 };
573 static const unsigned char lbus_play_noconv1[] = {
574         DIGITAL_MIXER_IN0, 0xff
575 };
576 static const unsigned char lbus_play_stereo1[] = {
577         INTER0_IN, DIGITAL_MIXER_IN0, 0xff
578 };
579 static const unsigned char lbus_play_mono1[] = {
580         INTERM0_IN, DIGITAL_MIXER_IN0, 0xff
581 };
582 static const unsigned char lbus_play_noconv2[] = {
583         DIGITAL_MIXER_IN1, 0xff
584 };
585 static const unsigned char lbus_play_stereo2[] = {
586         INTER1_IN, DIGITAL_MIXER_IN1, 0xff
587 };
588 static const unsigned char lbus_play_mono2[] = {
589         INTERM1_IN, DIGITAL_MIXER_IN1, 0xff
590 };
591 static const unsigned char lbus_play_noconv3[] = {
592         DIGITAL_MIXER_IN2, 0xff
593 };
594 static const unsigned char lbus_play_stereo3[] = {
595         INTER2_IN, DIGITAL_MIXER_IN2, 0xff
596 };
597 static const unsigned char lbus_play_mono3[] = {
598         INTERM2_IN, DIGITAL_MIXER_IN2, 0xff
599 };
600 static const unsigned char lbus_rec_noconv1[] = {
601         LBUS2ARM_FIFO5, 0xff
602 };
603 static const unsigned char lbus_rec_stereo1[] = {
604         DECIM0_IN, LBUS2ARM_FIFO5, 0xff
605 };
606 static const unsigned char lbus_rec_mono1[] = {
607         DECIMM3_IN, LBUS2ARM_FIFO5, 0xff
608 };
609 
610 static const unsigned char play_ids[] = { 4, 1, 2, };
611 static const unsigned char play_sources[] = {
612         ARM2LBUS_FIFO4, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2,
613 };
614 static 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 };
631 static 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
638 static union firmware_version firmware_versions[] = {
639         {
640                 .firmware = {
641                         .ASIC = 3,
642                         .CODEC = 2,
643                         .AUXDSP = 3,
644                         .PROG = 773,
645                 },
646         },
647 };
648 
649 static 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 
668 static 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 
692 static 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 
736 static void
737 alloclbuspath(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 
775 static void
776 freelbuspath(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 
797 static 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 
821 static 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 
922 static int
923 setmixer(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 
939 static 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 
955 static int
956 getsourcesink(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 
970 static int
971 getsamplerate(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 
1001 static int
1002 setsampleformat(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 
1024 static int
1025 setsamplerate(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 
1057 static int
1058 getmixer(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 
1071 static 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
1146 static 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 
1157 static 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 
1169 static 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 
1175 static 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 
1243 static 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 
1309 static 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 };
1328 static 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 
1348 static 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 
1382 static 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 
1444 static 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 
1544 static int
1545 snd_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 
1570 static 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 
1592 static 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 
1616 static 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 
1639 static 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 
1651 static 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 
1662 static 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 };
1671 static 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 
1681 static 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 
1703 static irqreturn_t
1704 snd_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 
1727 static void
1728 snd_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 
1748 static 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 
1764 static 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 
1801 static int snd_riptide_free(struct snd_riptide *chip)
1802 {
1803         struct cmdif *cif;
1804 
1805         if (!chip)
1806                 return 0;
1807 
1808         cif = chip->cif;
1809         if (cif) {
1810                 SET_GRESET(cif->hwport);
1811                 udelay(100);
1812                 UNSET_GRESET(cif->hwport);
1813                 kfree(chip->cif);
1814         }
1815         if (chip->irq >= 0)
1816                 free_irq(chip->irq, chip);
1817         release_firmware(chip->fw_entry);
1818         release_and_free_resource(chip->res_port);
1819         kfree(chip);
1820         return 0;
1821 }
1822 
1823 static int snd_riptide_dev_free(struct snd_device *device)
1824 {
1825         struct snd_riptide *chip = device->device_data;
1826 
1827         return snd_riptide_free(chip);
1828 }
1829 
1830 static int
1831 snd_riptide_create(struct snd_card *card, struct pci_dev *pci,
1832                    struct snd_riptide **rchip)
1833 {
1834         struct snd_riptide *chip;
1835         struct riptideport *hwport;
1836         int err;
1837         static const struct snd_device_ops ops = {
1838                 .dev_free = snd_riptide_dev_free,
1839         };
1840 
1841         *rchip = NULL;
1842         err = pci_enable_device(pci);
1843         if (err < 0)
1844                 return err;
1845         chip = kzalloc(sizeof(struct snd_riptide), GFP_KERNEL);
1846         if (!chip)
1847                 return -ENOMEM;
1848 
1849         spin_lock_init(&chip->lock);
1850         chip->card = card;
1851         chip->pci = pci;
1852         chip->irq = -1;
1853         chip->openstreams = 0;
1854         chip->port = pci_resource_start(pci, 0);
1855         chip->received_irqs = 0;
1856         chip->handled_irqs = 0;
1857         chip->cif = NULL;
1858 
1859         chip->res_port = request_region(chip->port, 64, "RIPTIDE");
1860         if (!chip->res_port) {
1861                 snd_printk(KERN_ERR
1862                            "Riptide: unable to grab region 0x%lx-0x%lx\n",
1863                            chip->port, chip->port + 64 - 1);
1864                 snd_riptide_free(chip);
1865                 return -EBUSY;
1866         }
1867         hwport = (struct riptideport *)chip->port;
1868         UNSET_AIE(hwport);
1869 
1870         if (request_threaded_irq(pci->irq, snd_riptide_interrupt,
1871                                  riptide_handleirq, IRQF_SHARED,
1872                                  KBUILD_MODNAME, chip)) {
1873                 snd_printk(KERN_ERR "Riptide: unable to grab IRQ %d\n",
1874                            pci->irq);
1875                 snd_riptide_free(chip);
1876                 return -EBUSY;
1877         }
1878         chip->irq = pci->irq;
1879         card->sync_irq = chip->irq;
1880         chip->device_id = pci->device;
1881         pci_set_master(pci);
1882         err = snd_riptide_initialize(chip);
1883         if (err < 0) {
1884                 snd_riptide_free(chip);
1885                 return err;
1886         }
1887 
1888         err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
1889         if (err < 0) {
1890                 snd_riptide_free(chip);
1891                 return err;
1892         }
1893 
1894         *rchip = chip;
1895         return 0;
1896 }
1897 
1898 static void
1899 snd_riptide_proc_read(struct snd_info_entry *entry,
1900                       struct snd_info_buffer *buffer)
1901 {
1902         struct snd_riptide *chip = entry->private_data;
1903         struct pcmhw *data;
1904         int i;
1905         struct cmdif *cif = NULL;
1906         unsigned char p[256];
1907         unsigned short rval = 0, lval = 0;
1908         unsigned int rate;
1909 
1910         if (!chip)
1911                 return;
1912 
1913         snd_iprintf(buffer, "%s\n\n", chip->card->longname);
1914         snd_iprintf(buffer, "Device ID: 0x%x\nReceived IRQs: (%ld)%ld\nPorts:",
1915                     chip->device_id, chip->handled_irqs, chip->received_irqs);
1916         for (i = 0; i < 64; i += 4)
1917                 snd_iprintf(buffer, "%c%02x: %08x",
1918                             (i % 16) ? ' ' : '\n', i, inl(chip->port + i));
1919         cif = chip->cif;
1920         if (cif) {
1921                 snd_iprintf(buffer,
1922                             "\nVersion: ASIC: %d CODEC: %d AUXDSP: %d PROG: %d",
1923                             chip->firmware.firmware.ASIC,
1924                             chip->firmware.firmware.CODEC,
1925                             chip->firmware.firmware.AUXDSP,
1926                             chip->firmware.firmware.PROG);
1927                 snd_iprintf(buffer, "\nDigital mixer:");
1928                 for (i = 0; i < 12; i++) {
1929                         getmixer(cif, i, &rval, &lval);
1930                         snd_iprintf(buffer, "\n %d: %d %d", i, rval, lval);
1931                 }
1932                 snd_iprintf(buffer,
1933                             "\nARM Commands num: %d failed: %d time: %d max: %d min: %d",
1934                             cif->cmdcnt, cif->errcnt,
1935                             cif->cmdtime, cif->cmdtimemax, cif->cmdtimemin);
1936         }
1937         snd_iprintf(buffer, "\nOpen streams %d:\n", chip->openstreams);
1938         for (i = 0; i < PLAYBACK_SUBSTREAMS; i++) {
1939                 if (!chip->playback_substream[i] ||
1940                     !chip->playback_substream[i]->runtime)
1941                         continue;
1942                 data = chip->playback_substream[i]->runtime->private_data;
1943                 if (data) {
1944                         snd_iprintf(buffer,
1945                                     "stream: %d mixer: %d source: %d (%d,%d)\n",
1946                                     data->id, data->mixer, data->source,
1947                                     data->intdec[0], data->intdec[1]);
1948                         if (!(getsamplerate(cif, data->intdec, &rate)))
1949                                 snd_iprintf(buffer, "rate: %d\n", rate);
1950                 }
1951         }
1952         if (chip->capture_substream && chip->capture_substream->runtime) {
1953                 data = chip->capture_substream->runtime->private_data;
1954                 if (data) {
1955                         snd_iprintf(buffer,
1956                                     "stream: %d mixer: %d source: %d (%d,%d)\n",
1957                                     data->id, data->mixer,
1958                                     data->source, data->intdec[0], data->intdec[1]);
1959                         if (!(getsamplerate(cif, data->intdec, &rate)))
1960                                 snd_iprintf(buffer, "rate: %d\n", rate);
1961                 }
1962         }
1963         snd_iprintf(buffer, "Paths:\n");
1964         i = getpaths(cif, p);
1965         while (i >= 2) {
1966                 i -= 2;
1967                 snd_iprintf(buffer, "%x->%x ", p[i], p[i + 1]);
1968         }
1969         snd_iprintf(buffer, "\n");
1970 }
1971 
1972 static void snd_riptide_proc_init(struct snd_riptide *chip)
1973 {
1974         snd_card_ro_proc_new(chip->card, "riptide", chip,
1975                              snd_riptide_proc_read);
1976 }
1977 
1978 static int snd_riptide_mixer(struct snd_riptide *chip)
1979 {
1980         struct snd_ac97_bus *pbus;
1981         struct snd_ac97_template ac97;
1982         int err = 0;
1983         static const struct snd_ac97_bus_ops ops = {
1984                 .write = snd_riptide_codec_write,
1985                 .read = snd_riptide_codec_read,
1986         };
1987 
1988         memset(&ac97, 0, sizeof(ac97));
1989         ac97.private_data = chip;
1990         ac97.scaps = AC97_SCAP_SKIP_MODEM;
1991 
1992         err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus);
1993         if (err < 0)
1994                 return err;
1995 
1996         chip->ac97_bus = pbus;
1997         ac97.pci = chip->pci;
1998         err = snd_ac97_mixer(pbus, &ac97, &chip->ac97);
1999         if (err < 0)
2000                 return err;
2001         return err;
2002 }
2003 
2004 #ifdef SUPPORT_JOYSTICK
2005 
2006 static int
2007 snd_riptide_joystick_probe(struct pci_dev *pci, const struct pci_device_id *id)
2008 {
2009         static int dev;
2010         struct gameport *gameport;
2011         int ret;
2012 
2013         if (dev >= SNDRV_CARDS)
2014                 return -ENODEV;
2015 
2016         if (!enable[dev]) {
2017                 ret = -ENOENT;
2018                 goto inc_dev;
2019         }
2020 
2021         if (!joystick_port[dev]) {
2022                 ret = 0;
2023                 goto inc_dev;
2024         }
2025 
2026         gameport = gameport_allocate_port();
2027         if (!gameport) {
2028                 ret = -ENOMEM;
2029                 goto inc_dev;
2030         }
2031         if (!request_region(joystick_port[dev], 8, "Riptide gameport")) {
2032                 snd_printk(KERN_WARNING
2033                            "Riptide: cannot grab gameport 0x%x\n",
2034                            joystick_port[dev]);
2035                 gameport_free_port(gameport);
2036                 ret = -EBUSY;
2037                 goto inc_dev;
2038         }
2039 
2040         gameport->io = joystick_port[dev];
2041         gameport_register_port(gameport);
2042         pci_set_drvdata(pci, gameport);
2043 
2044         ret = 0;
2045 inc_dev:
2046         dev++;
2047         return ret;
2048 }
2049 
2050 static void snd_riptide_joystick_remove(struct pci_dev *pci)
2051 {
2052         struct gameport *gameport = pci_get_drvdata(pci);
2053         if (gameport) {
2054                 release_region(gameport->io, 8);
2055                 gameport_unregister_port(gameport);
2056         }
2057 }
2058 #endif
2059 
2060 static int
2061 snd_card_riptide_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2062 {
2063         static int dev;
2064         struct snd_card *card;
2065         struct snd_riptide *chip;
2066         unsigned short val;
2067         int err;
2068 
2069         if (dev >= SNDRV_CARDS)
2070                 return -ENODEV;
2071         if (!enable[dev]) {
2072                 dev++;
2073                 return -ENOENT;
2074         }
2075 
2076         err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2077                            0, &card);
2078         if (err < 0)
2079                 return err;
2080         err = snd_riptide_create(card, pci, &chip);
2081         if (err < 0)
2082                 goto error;
2083         card->private_data = chip;
2084         err = snd_riptide_pcm(chip, 0);
2085         if (err < 0)
2086                 goto error;
2087         err = snd_riptide_mixer(chip);
2088         if (err < 0)
2089                 goto error;
2090 
2091         val = LEGACY_ENABLE_ALL;
2092         if (opl3_port[dev])
2093                 val |= LEGACY_ENABLE_FM;
2094 #ifdef SUPPORT_JOYSTICK
2095         if (joystick_port[dev])
2096                 val |= LEGACY_ENABLE_GAMEPORT;
2097 #endif
2098         if (mpu_port[dev])
2099                 val |= LEGACY_ENABLE_MPU_INT | LEGACY_ENABLE_MPU;
2100         val |= (chip->irq << 4) & 0xf0;
2101         pci_write_config_word(chip->pci, PCI_EXT_Legacy_Mask, val);
2102         if (mpu_port[dev]) {
2103                 val = mpu_port[dev];
2104                 pci_write_config_word(chip->pci, PCI_EXT_MPU_Base, val);
2105                 err = snd_mpu401_uart_new(card, 0, MPU401_HW_RIPTIDE,
2106                                           val, MPU401_INFO_IRQ_HOOK, -1,
2107                                           &chip->rmidi);
2108                 if (err < 0)
2109                         snd_printk(KERN_WARNING
2110                                    "Riptide: Can't Allocate MPU at 0x%x\n",
2111                                    val);
2112                 else
2113                         chip->mpuaddr = val;
2114         }
2115         if (opl3_port[dev]) {
2116                 val = opl3_port[dev];
2117                 pci_write_config_word(chip->pci, PCI_EXT_FM_Base, val);
2118                 err = snd_opl3_create(card, val, val + 2,
2119                                       OPL3_HW_RIPTIDE, 0, &chip->opl3);
2120                 if (err < 0)
2121                         snd_printk(KERN_WARNING
2122                                    "Riptide: Can't Allocate OPL3 at 0x%x\n",
2123                                    val);
2124                 else {
2125                         chip->opladdr = val;
2126                         err = snd_opl3_hwdep_new(chip->opl3, 0, 1, NULL);
2127                         if (err < 0)
2128                                 snd_printk(KERN_WARNING
2129                                            "Riptide: Can't Allocate OPL3-HWDEP\n");
2130                 }
2131         }
2132 #ifdef SUPPORT_JOYSTICK
2133         if (joystick_port[dev]) {
2134                 val = joystick_port[dev];
2135                 pci_write_config_word(chip->pci, PCI_EXT_Game_Base, val);
2136                 chip->gameaddr = val;
2137         }
2138 #endif
2139 
2140         strcpy(card->driver, "RIPTIDE");
2141         strcpy(card->shortname, "Riptide");
2142 #ifdef SUPPORT_JOYSTICK
2143         snprintf(card->longname, sizeof(card->longname),
2144                  "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x gameport 0x%x",
2145                  card->shortname, chip->port, chip->irq, chip->mpuaddr,
2146                  chip->opladdr, chip->gameaddr);
2147 #else
2148         snprintf(card->longname, sizeof(card->longname),
2149                  "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x",
2150                  card->shortname, chip->port, chip->irq, chip->mpuaddr,
2151                  chip->opladdr);
2152 #endif
2153         snd_riptide_proc_init(chip);
2154         err = snd_card_register(card);
2155         if (err < 0)
2156                 goto error;
2157         pci_set_drvdata(pci, card);
2158         dev++;
2159         return 0;
2160 
2161  error:
2162         snd_card_free(card);
2163         return err;
2164 }
2165 
2166 static void snd_card_riptide_remove(struct pci_dev *pci)
2167 {
2168         snd_card_free(pci_get_drvdata(pci));
2169 }
2170 
2171 static struct pci_driver driver = {
2172         .name = KBUILD_MODNAME,
2173         .id_table = snd_riptide_ids,
2174         .probe = snd_card_riptide_probe,
2175         .remove = snd_card_riptide_remove,
2176         .driver = {
2177                 .pm = RIPTIDE_PM_OPS,
2178         },
2179 };
2180 
2181 #ifdef SUPPORT_JOYSTICK
2182 static struct pci_driver joystick_driver = {
2183         .name = KBUILD_MODNAME "-joystick",
2184         .id_table = snd_riptide_joystick_ids,
2185         .probe = snd_riptide_joystick_probe,
2186         .remove = snd_riptide_joystick_remove,
2187 };
2188 #endif
2189 
2190 static int __init alsa_card_riptide_init(void)
2191 {
2192         int err;
2193         err = pci_register_driver(&driver);
2194         if (err < 0)
2195                 return err;
2196 #if defined(SUPPORT_JOYSTICK)
2197         err = pci_register_driver(&joystick_driver);
2198         /* On failure unregister formerly registered audio driver */
2199         if (err < 0)
2200                 pci_unregister_driver(&driver);
2201 #endif
2202         return err;
2203 }
2204 
2205 static void __exit alsa_card_riptide_exit(void)
2206 {
2207         pci_unregister_driver(&driver);
2208 #if defined(SUPPORT_JOYSTICK)
2209         pci_unregister_driver(&joystick_driver);
2210 #endif
2211 }
2212 
2213 module_init(alsa_card_riptide_init);
2214 module_exit(alsa_card_riptide_exit);
2215 

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