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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_SUPPORTED_DEVICE("{{Conexant,Riptide}}");
107 MODULE_FIRMWARE("riptide.hex");
108 
109 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
110 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
111 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
112 
113 #ifdef SUPPORT_JOYSTICK
114 static int joystick_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x200 };
115 #endif
116 static int mpu_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x330 };
117 static int opl3_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x388 };
118 
119 module_param_array(index, int, NULL, 0444);
120 MODULE_PARM_DESC(index, "Index value for Riptide soundcard.");
121 module_param_array(id, charp, NULL, 0444);
122 MODULE_PARM_DESC(id, "ID string for Riptide soundcard.");
123 module_param_array(enable, bool, NULL, 0444);
124 MODULE_PARM_DESC(enable, "Enable Riptide soundcard.");
125 #ifdef SUPPORT_JOYSTICK
126 module_param_hw_array(joystick_port, int, ioport, NULL, 0444);
127 MODULE_PARM_DESC(joystick_port, "Joystick port # for Riptide soundcard.");
128 #endif
129 module_param_hw_array(mpu_port, int, ioport, NULL, 0444);
130 MODULE_PARM_DESC(mpu_port, "MPU401 port # for Riptide driver.");
131 module_param_hw_array(opl3_port, int, ioport, NULL, 0444);
132 MODULE_PARM_DESC(opl3_port, "OPL3 port # for Riptide driver.");
133 
134 /*
135  */
136 
137 #define MPU401_HW_RIPTIDE MPU401_HW_MPU401
138 #define OPL3_HW_RIPTIDE   OPL3_HW_OPL3
139 
140 #define PCI_EXT_CapId       0x40
141 #define PCI_EXT_NextCapPrt  0x41
142 #define PCI_EXT_PWMC        0x42
143 #define PCI_EXT_PWSCR       0x44
144 #define PCI_EXT_Data00      0x46
145 #define PCI_EXT_PMSCR_BSE   0x47
146 #define PCI_EXT_SB_Base     0x48
147 #define PCI_EXT_FM_Base     0x4a
148 #define PCI_EXT_MPU_Base    0x4C
149 #define PCI_EXT_Game_Base   0x4E
150 #define PCI_EXT_Legacy_Mask 0x50
151 #define PCI_EXT_AsicRev     0x52
152 #define PCI_EXT_Reserved3   0x53
153 
154 #define LEGACY_ENABLE_ALL      0x8000   /* legacy device options */
155 #define LEGACY_ENABLE_SB       0x4000
156 #define LEGACY_ENABLE_FM       0x2000
157 #define LEGACY_ENABLE_MPU_INT  0x1000
158 #define LEGACY_ENABLE_MPU      0x0800
159 #define LEGACY_ENABLE_GAMEPORT 0x0400
160 
161 #define MAX_WRITE_RETRY  10     /* cmd interface limits */
162 #define MAX_ERROR_COUNT  10
163 #define CMDIF_TIMEOUT    50000
164 #define RESET_TRIES      5
165 
166 #define READ_PORT_ULONG(p)     inl((unsigned long)&(p))
167 #define WRITE_PORT_ULONG(p,x)  outl(x,(unsigned long)&(p))
168 
169 #define READ_AUDIO_CONTROL(p)     READ_PORT_ULONG(p->audio_control)
170 #define WRITE_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,x)
171 #define UMASK_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)|x)
172 #define MASK_AUDIO_CONTROL(p,x)   WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)&x)
173 #define READ_AUDIO_STATUS(p)      READ_PORT_ULONG(p->audio_status)
174 
175 #define SET_GRESET(p)     UMASK_AUDIO_CONTROL(p,0x0001) /* global reset switch */
176 #define UNSET_GRESET(p)   MASK_AUDIO_CONTROL(p,~0x0001)
177 #define SET_AIE(p)        UMASK_AUDIO_CONTROL(p,0x0004) /* interrupt enable */
178 #define UNSET_AIE(p)      MASK_AUDIO_CONTROL(p,~0x0004)
179 #define SET_AIACK(p)      UMASK_AUDIO_CONTROL(p,0x0008) /* interrupt acknowledge */
180 #define UNSET_AIACKT(p)   MASKAUDIO_CONTROL(p,~0x0008)
181 #define SET_ECMDAE(p)     UMASK_AUDIO_CONTROL(p,0x0010)
182 #define UNSET_ECMDAE(p)   MASK_AUDIO_CONTROL(p,~0x0010)
183 #define SET_ECMDBE(p)     UMASK_AUDIO_CONTROL(p,0x0020)
184 #define UNSET_ECMDBE(p)   MASK_AUDIO_CONTROL(p,~0x0020)
185 #define SET_EDATAF(p)     UMASK_AUDIO_CONTROL(p,0x0040)
186 #define UNSET_EDATAF(p)   MASK_AUDIO_CONTROL(p,~0x0040)
187 #define SET_EDATBF(p)     UMASK_AUDIO_CONTROL(p,0x0080)
188 #define UNSET_EDATBF(p)   MASK_AUDIO_CONTROL(p,~0x0080)
189 #define SET_ESBIRQON(p)   UMASK_AUDIO_CONTROL(p,0x0100)
190 #define UNSET_ESBIRQON(p) MASK_AUDIO_CONTROL(p,~0x0100)
191 #define SET_EMPUIRQ(p)    UMASK_AUDIO_CONTROL(p,0x0200)
192 #define UNSET_EMPUIRQ(p)  MASK_AUDIO_CONTROL(p,~0x0200)
193 #define IS_CMDE(a)        (READ_PORT_ULONG(a->stat)&0x1)        /* cmd empty */
194 #define IS_DATF(a)        (READ_PORT_ULONG(a->stat)&0x2)        /* data filled */
195 #define IS_READY(p)       (READ_AUDIO_STATUS(p)&0x0001)
196 #define IS_DLREADY(p)     (READ_AUDIO_STATUS(p)&0x0002)
197 #define IS_DLERR(p)       (READ_AUDIO_STATUS(p)&0x0004)
198 #define IS_GERR(p)        (READ_AUDIO_STATUS(p)&0x0008) /* error ! */
199 #define IS_CMDAEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0010)
200 #define IS_CMDBEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0020)
201 #define IS_DATAFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0040)
202 #define IS_DATBFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0080)
203 #define IS_EOBIRQ(p)      (READ_AUDIO_STATUS(p)&0x0100) /* interrupt status */
204 #define IS_EOSIRQ(p)      (READ_AUDIO_STATUS(p)&0x0200)
205 #define IS_EOCIRQ(p)      (READ_AUDIO_STATUS(p)&0x0400)
206 #define IS_UNSLIRQ(p)     (READ_AUDIO_STATUS(p)&0x0800)
207 #define IS_SBIRQ(p)       (READ_AUDIO_STATUS(p)&0x1000)
208 #define IS_MPUIRQ(p)      (READ_AUDIO_STATUS(p)&0x2000)
209 
210 #define RESP 0x00000001         /* command flags */
211 #define PARM 0x00000002
212 #define CMDA 0x00000004
213 #define CMDB 0x00000008
214 #define NILL 0x00000000
215 
216 #define LONG0(a)   ((u32)a)     /* shifts and masks */
217 #define BYTE0(a)   (LONG0(a)&0xff)
218 #define BYTE1(a)   (BYTE0(a)<<8)
219 #define BYTE2(a)   (BYTE0(a)<<16)
220 #define BYTE3(a)   (BYTE0(a)<<24)
221 #define WORD0(a)   (LONG0(a)&0xffff)
222 #define WORD1(a)   (WORD0(a)<<8)
223 #define WORD2(a)   (WORD0(a)<<16)
224 #define TRINIB0(a) (LONG0(a)&0xffffff)
225 #define TRINIB1(a) (TRINIB0(a)<<8)
226 
227 #define RET(a)     ((union cmdret *)(a))
228 
229 #define SEND_GETV(p,b)             sendcmd(p,RESP,GETV,0,RET(b))        /* get version */
230 #define SEND_GETC(p,b,c)           sendcmd(p,PARM|RESP,GETC,c,RET(b))
231 #define SEND_GUNS(p,b)             sendcmd(p,RESP,GUNS,0,RET(b))
232 #define SEND_SCID(p,b)             sendcmd(p,RESP,SCID,0,RET(b))
233 #define SEND_RMEM(p,b,c,d)         sendcmd(p,PARM|RESP,RMEM|BYTE1(b),LONG0(c),RET(d))   /* memory access for firmware write */
234 #define SEND_SMEM(p,b,c)           sendcmd(p,PARM,SMEM|BYTE1(b),LONG0(c),RET(0))        /* memory access for firmware write */
235 #define SEND_WMEM(p,b,c)           sendcmd(p,PARM,WMEM|BYTE1(b),LONG0(c),RET(0))        /* memory access for firmware write */
236 #define SEND_SDTM(p,b,c)           sendcmd(p,PARM|RESP,SDTM|TRINIB1(b),0,RET(c))        /* memory access for firmware write */
237 #define SEND_GOTO(p,b)             sendcmd(p,PARM,GOTO,LONG0(b),RET(0)) /* memory access for firmware write */
238 #define SEND_SETDPLL(p)            sendcmd(p,0,ARM_SETDPLL,0,RET(0))
239 #define SEND_SSTR(p,b,c)           sendcmd(p,PARM,SSTR|BYTE3(b),LONG0(c),RET(0))        /* start stream */
240 #define SEND_PSTR(p,b)             sendcmd(p,PARM,PSTR,BYTE3(b),RET(0)) /* pause stream */
241 #define SEND_KSTR(p,b)             sendcmd(p,PARM,KSTR,BYTE3(b),RET(0)) /* stop stream */
242 #define SEND_KDMA(p)               sendcmd(p,0,KDMA,0,RET(0))   /* stop all dma */
243 #define SEND_GPOS(p,b,c,d)         sendcmd(p,PARM|RESP,GPOS,BYTE3(c)|BYTE2(b),RET(d))   /* get position in dma */
244 #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 */
245 #define SEND_GSTS(p,b,c,d)         sendcmd(p,PARM|RESP,GSTS,BYTE3(c)|BYTE2(b),RET(d))
246 #define SEND_NGPOS(p,b,c,d)        sendcmd(p,PARM|RESP,NGPOS,BYTE3(c)|BYTE2(b),RET(d))
247 #define SEND_PSEL(p,b,c)           sendcmd(p,PARM,PSEL,BYTE2(b)|BYTE3(c),RET(0))        /* activate lbus path */
248 #define SEND_PCLR(p,b,c)           sendcmd(p,PARM,PCLR,BYTE2(b)|BYTE3(c),RET(0))        /* deactivate lbus path */
249 #define SEND_PLST(p,b)             sendcmd(p,PARM,PLST,BYTE3(b),RET(0))
250 #define SEND_RSSV(p,b,c,d)         sendcmd(p,PARM|RESP,RSSV,BYTE2(b)|BYTE3(c),RET(d))
251 #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 */
252 #define SEND_SSRC(p,b,c,d,e)       sendcmd(p,PARM,SSRC|BYTE1(b)|WORD2(c),WORD0(d)|WORD2(e),RET(0))      /* configure source */
253 #define SEND_SLST(p,b)             sendcmd(p,PARM,SLST,BYTE3(b),RET(0))
254 #define SEND_RSRC(p,b,c)           sendcmd(p,RESP,RSRC|BYTE1(b),0,RET(c))       /* read source config */
255 #define SEND_SSRB(p,b,c)           sendcmd(p,PARM,SSRB|BYTE1(b),WORD2(c),RET(0))
256 #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 */
257 #define SEND_RDGV(p,b,c,d)         sendcmd(p,PARM|RESP,RDGV|BYTE2(b)|BYTE3(c),0,RET(d)) /* read digital mixer */
258 #define SEND_DLST(p,b)             sendcmd(p,PARM,DLST,BYTE3(b),RET(0))
259 #define SEND_SACR(p,b,c)           sendcmd(p,PARM,SACR,WORD0(b)|WORD2(c),RET(0))        /* set AC97 register */
260 #define SEND_RACR(p,b,c)           sendcmd(p,PARM|RESP,RACR,WORD2(b),RET(c))    /* get AC97 register */
261 #define SEND_ALST(p,b)             sendcmd(p,PARM,ALST,BYTE3(b),RET(0))
262 #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))
263 #define SEND_RXAC(p,b,c,d)         sendcmd(p,PARM|RESP,RXAC,BYTE2(b)|BYTE3(c),RET(d))
264 #define SEND_SI2S(p,b)             sendcmd(p,PARM,SI2S,WORD2(b),RET(0))
265 
266 #define EOB_STATUS         0x80000000   /* status flags : block boundary */
267 #define EOS_STATUS         0x40000000   /*              : stoppped */
268 #define EOC_STATUS         0x20000000   /*              : stream end */
269 #define ERR_STATUS         0x10000000
270 #define EMPTY_STATUS       0x08000000
271 
272 #define IEOB_ENABLE        0x1  /* enable interrupts for status notification above */
273 #define IEOS_ENABLE        0x2
274 #define IEOC_ENABLE        0x4
275 #define RDONCE             0x8
276 #define DESC_MAX_MASK      0xff
277 
278 #define ST_PLAY  0x1            /* stream states */
279 #define ST_STOP  0x2
280 #define ST_PAUSE 0x4
281 
282 #define I2S_INTDEC     3        /* config for I2S link */
283 #define I2S_MERGER     0
284 #define I2S_SPLITTER   0
285 #define I2S_MIXER      7
286 #define I2S_RATE       44100
287 
288 #define MODEM_INTDEC   4        /* config for modem link */
289 #define MODEM_MERGER   3
290 #define MODEM_SPLITTER 0
291 #define MODEM_MIXER    11
292 
293 #define FM_INTDEC      3        /* config for FM/OPL3 link */
294 #define FM_MERGER      0
295 #define FM_SPLITTER    0
296 #define FM_MIXER       9
297 
298 #define SPLIT_PATH  0x80        /* path splitting flag */
299 
300 enum FIRMWARE {
301         DATA_REC = 0, EXT_END_OF_FILE, EXT_SEG_ADDR_REC, EXT_GOTO_CMD_REC,
302         EXT_LIN_ADDR_REC,
303 };
304 
305 enum CMDS {
306         GETV = 0x00, GETC, GUNS, SCID, RMEM =
307             0x10, SMEM, WMEM, SDTM, GOTO, SSTR =
308             0x20, PSTR, KSTR, KDMA, GPOS, SETF, GSTS, NGPOS, PSEL =
309             0x30, PCLR, PLST, RSSV, LSEL, SSRC = 0x40, SLST, RSRC, SSRB, SDGV =
310             0x50, RDGV, DLST, SACR = 0x60, RACR, ALST, TXAC, RXAC, SI2S =
311             0x70, ARM_SETDPLL = 0x72,
312 };
313 
314 enum E1SOURCE {
315         ARM2LBUS_FIFO0 = 0, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2, ARM2LBUS_FIFO3,
316         ARM2LBUS_FIFO4, ARM2LBUS_FIFO5, ARM2LBUS_FIFO6, ARM2LBUS_FIFO7,
317         ARM2LBUS_FIFO8, ARM2LBUS_FIFO9, ARM2LBUS_FIFO10, ARM2LBUS_FIFO11,
318         ARM2LBUS_FIFO12, ARM2LBUS_FIFO13, ARM2LBUS_FIFO14, ARM2LBUS_FIFO15,
319         INTER0_OUT, INTER1_OUT, INTER2_OUT, INTER3_OUT, INTER4_OUT,
320         INTERM0_OUT, INTERM1_OUT, INTERM2_OUT, INTERM3_OUT, INTERM4_OUT,
321         INTERM5_OUT, INTERM6_OUT, DECIMM0_OUT, DECIMM1_OUT, DECIMM2_OUT,
322         DECIMM3_OUT, DECIM0_OUT, SR3_4_OUT, OPL3_SAMPLE, ASRC0, ASRC1,
323         ACLNK2PADC, ACLNK2MODEM0RX, ACLNK2MIC, ACLNK2MODEM1RX, ACLNK2HNDMIC,
324         DIGITAL_MIXER_OUT0, GAINFUNC0_OUT, GAINFUNC1_OUT, GAINFUNC2_OUT,
325         GAINFUNC3_OUT, GAINFUNC4_OUT, SOFTMODEMTX, SPLITTER0_OUTL,
326         SPLITTER0_OUTR, SPLITTER1_OUTL, SPLITTER1_OUTR, SPLITTER2_OUTL,
327         SPLITTER2_OUTR, SPLITTER3_OUTL, SPLITTER3_OUTR, MERGER0_OUT,
328         MERGER1_OUT, MERGER2_OUT, MERGER3_OUT, ARM2LBUS_FIFO_DIRECT, NO_OUT
329 };
330 
331 enum E2SINK {
332         LBUS2ARM_FIFO0 = 0, LBUS2ARM_FIFO1, LBUS2ARM_FIFO2, LBUS2ARM_FIFO3,
333         LBUS2ARM_FIFO4, LBUS2ARM_FIFO5, LBUS2ARM_FIFO6, LBUS2ARM_FIFO7,
334         INTER0_IN, INTER1_IN, INTER2_IN, INTER3_IN, INTER4_IN, INTERM0_IN,
335         INTERM1_IN, INTERM2_IN, INTERM3_IN, INTERM4_IN, INTERM5_IN, INTERM6_IN,
336         DECIMM0_IN, DECIMM1_IN, DECIMM2_IN, DECIMM3_IN, DECIM0_IN, SR3_4_IN,
337         PDAC2ACLNK, MODEM0TX2ACLNK, MODEM1TX2ACLNK, HNDSPK2ACLNK,
338         DIGITAL_MIXER_IN0, DIGITAL_MIXER_IN1, DIGITAL_MIXER_IN2,
339         DIGITAL_MIXER_IN3, DIGITAL_MIXER_IN4, DIGITAL_MIXER_IN5,
340         DIGITAL_MIXER_IN6, DIGITAL_MIXER_IN7, DIGITAL_MIXER_IN8,
341         DIGITAL_MIXER_IN9, DIGITAL_MIXER_IN10, DIGITAL_MIXER_IN11,
342         GAINFUNC0_IN, GAINFUNC1_IN, GAINFUNC2_IN, GAINFUNC3_IN, GAINFUNC4_IN,
343         SOFTMODEMRX, SPLITTER0_IN, SPLITTER1_IN, SPLITTER2_IN, SPLITTER3_IN,
344         MERGER0_INL, MERGER0_INR, MERGER1_INL, MERGER1_INR, MERGER2_INL,
345         MERGER2_INR, MERGER3_INL, MERGER3_INR, E2SINK_MAX
346 };
347 
348 enum LBUS_SINK {
349         LS_SRC_INTERPOLATOR = 0, LS_SRC_INTERPOLATORM, LS_SRC_DECIMATOR,
350         LS_SRC_DECIMATORM, LS_MIXER_IN, LS_MIXER_GAIN_FUNCTION,
351         LS_SRC_SPLITTER, LS_SRC_MERGER, LS_NONE1, LS_NONE2,
352 };
353 
354 enum RT_CHANNEL_IDS {
355         M0TX = 0, M1TX, TAMTX, HSSPKR, PDAC, DSNDTX0, DSNDTX1, DSNDTX2,
356         DSNDTX3, DSNDTX4, DSNDTX5, DSNDTX6, DSNDTX7, WVSTRTX, COP3DTX, SPARE,
357         M0RX, HSMIC, M1RX, CLEANRX, MICADC, PADC, COPRX1, COPRX2,
358         CHANNEL_ID_COUNTER
359 };
360 
361 enum { SB_CMD = 0, MODEM_CMD, I2S_CMD0, I2S_CMD1, FM_CMD, MAX_CMD };
362 
363 struct lbuspath {
364         const unsigned char *noconv;
365         const unsigned char *stereo;
366         const unsigned char *mono;
367 };
368 
369 struct cmdport {
370         u32 data1;              /* cmd,param */
371         u32 data2;              /* param */
372         u32 stat;               /* status */
373         u32 pad[5];
374 };
375 
376 struct riptideport {
377         u32 audio_control;      /* status registers */
378         u32 audio_status;
379         u32 pad[2];
380         struct cmdport port[2]; /* command ports */
381 };
382 
383 struct cmdif {
384         struct riptideport *hwport;
385         spinlock_t lock;
386         unsigned int cmdcnt;    /* cmd statistics */
387         unsigned int cmdtime;
388         unsigned int cmdtimemax;
389         unsigned int cmdtimemin;
390         unsigned int errcnt;
391         int is_reset;
392 };
393 
394 struct riptide_firmware {
395         u16 ASIC;
396         u16 CODEC;
397         u16 AUXDSP;
398         u16 PROG;
399 };
400 
401 union cmdret {
402         u8 retbytes[8];
403         u16 retwords[4];
404         u32 retlongs[2];
405 };
406 
407 union firmware_version {
408         union cmdret ret;
409         struct riptide_firmware firmware;
410 };
411 
412 #define get_pcmhwdev(substream) (struct pcmhw *)(substream->runtime->private_data)
413 
414 #define PLAYBACK_SUBSTREAMS 3
415 struct snd_riptide {
416         struct snd_card *card;
417         struct pci_dev *pci;
418         const struct firmware *fw_entry;
419 
420         struct cmdif *cif;
421 
422         struct snd_pcm *pcm;
423         struct snd_pcm *pcm_i2s;
424         struct snd_rawmidi *rmidi;
425         struct snd_opl3 *opl3;
426         struct snd_ac97 *ac97;
427         struct snd_ac97_bus *ac97_bus;
428 
429         struct snd_pcm_substream *playback_substream[PLAYBACK_SUBSTREAMS];
430         struct snd_pcm_substream *capture_substream;
431 
432         int openstreams;
433 
434         int irq;
435         unsigned long port;
436         unsigned short mpuaddr;
437         unsigned short opladdr;
438 #ifdef SUPPORT_JOYSTICK
439         unsigned short gameaddr;
440 #endif
441         struct resource *res_port;
442 
443         unsigned short device_id;
444 
445         union firmware_version firmware;
446 
447         spinlock_t lock;
448         struct tasklet_struct riptide_tq;
449         struct snd_info_entry *proc_entry;
450 
451         unsigned long received_irqs;
452         unsigned long handled_irqs;
453 #ifdef CONFIG_PM_SLEEP
454         int in_suspend;
455 #endif
456 };
457 
458 struct sgd {                    /* scatter gather desriptor */
459         __le32 dwNextLink;
460         __le32 dwSegPtrPhys;
461         __le32 dwSegLen;
462         __le32 dwStat_Ctl;
463 };
464 
465 struct pcmhw {                  /* pcm descriptor */
466         struct lbuspath paths;
467         const unsigned char *lbuspath;
468         unsigned char source;
469         unsigned char intdec[2];
470         unsigned char mixer;
471         unsigned char id;
472         unsigned char state;
473         unsigned int rate;
474         unsigned int channels;
475         snd_pcm_format_t format;
476         struct snd_dma_buffer sgdlist;
477         struct sgd *sgdbuf;
478         unsigned int size;
479         unsigned int pages;
480         unsigned int oldpos;
481         unsigned int pointer;
482 };
483 
484 #define CMDRET_ZERO (union cmdret){{(u32)0, (u32) 0}}
485 
486 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
487                    union cmdret *ret);
488 static int getsourcesink(struct cmdif *cif, unsigned char source,
489                          unsigned char sink, unsigned char *a,
490                          unsigned char *b);
491 static int snd_riptide_initialize(struct snd_riptide *chip);
492 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip);
493 
494 /*
495  */
496 
497 static const struct pci_device_id snd_riptide_ids[] = {
498         { PCI_DEVICE(0x127a, 0x4310) },
499         { PCI_DEVICE(0x127a, 0x4320) },
500         { PCI_DEVICE(0x127a, 0x4330) },
501         { PCI_DEVICE(0x127a, 0x4340) },
502         {0,},
503 };
504 
505 #ifdef SUPPORT_JOYSTICK
506 static const struct pci_device_id snd_riptide_joystick_ids[] = {
507         { PCI_DEVICE(0x127a, 0x4312) },
508         { PCI_DEVICE(0x127a, 0x4322) },
509         { PCI_DEVICE(0x127a, 0x4332) },
510         { PCI_DEVICE(0x127a, 0x4342) },
511         {0,},
512 };
513 #endif
514 
515 MODULE_DEVICE_TABLE(pci, snd_riptide_ids);
516 
517 /*
518  */
519 
520 static const unsigned char lbusin2out[E2SINK_MAX + 1][2] = {
521         {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
522                                                                      LS_NONE2},
523         {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
524                                                                      LS_NONE2},
525         {INTER0_OUT, LS_SRC_INTERPOLATOR}, {INTER1_OUT, LS_SRC_INTERPOLATOR},
526         {INTER2_OUT, LS_SRC_INTERPOLATOR}, {INTER3_OUT, LS_SRC_INTERPOLATOR},
527         {INTER4_OUT, LS_SRC_INTERPOLATOR}, {INTERM0_OUT, LS_SRC_INTERPOLATORM},
528         {INTERM1_OUT, LS_SRC_INTERPOLATORM}, {INTERM2_OUT,
529                                               LS_SRC_INTERPOLATORM},
530         {INTERM3_OUT, LS_SRC_INTERPOLATORM}, {INTERM4_OUT,
531                                               LS_SRC_INTERPOLATORM},
532         {INTERM5_OUT, LS_SRC_INTERPOLATORM}, {INTERM6_OUT,
533                                               LS_SRC_INTERPOLATORM},
534         {DECIMM0_OUT, LS_SRC_DECIMATORM}, {DECIMM1_OUT, LS_SRC_DECIMATORM},
535         {DECIMM2_OUT, LS_SRC_DECIMATORM}, {DECIMM3_OUT, LS_SRC_DECIMATORM},
536         {DECIM0_OUT, LS_SRC_DECIMATOR}, {SR3_4_OUT, LS_NONE1}, {NO_OUT,
537                                                                 LS_NONE2},
538         {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1},
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         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
544         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
545         {GAINFUNC0_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC1_OUT,
546                                                   LS_MIXER_GAIN_FUNCTION},
547         {GAINFUNC2_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC3_OUT,
548                                                   LS_MIXER_GAIN_FUNCTION},
549         {GAINFUNC4_OUT, LS_MIXER_GAIN_FUNCTION}, {SOFTMODEMTX, LS_NONE1},
550         {SPLITTER0_OUTL, LS_SRC_SPLITTER}, {SPLITTER1_OUTL, LS_SRC_SPLITTER},
551         {SPLITTER2_OUTL, LS_SRC_SPLITTER}, {SPLITTER3_OUTL, LS_SRC_SPLITTER},
552         {MERGER0_OUT, LS_SRC_MERGER}, {MERGER0_OUT, LS_SRC_MERGER},
553         {MERGER1_OUT, LS_SRC_MERGER},
554         {MERGER1_OUT, LS_SRC_MERGER}, {MERGER2_OUT, LS_SRC_MERGER},
555         {MERGER2_OUT, LS_SRC_MERGER},
556         {MERGER3_OUT, LS_SRC_MERGER}, {MERGER3_OUT, LS_SRC_MERGER}, {NO_OUT,
557                                                                      LS_NONE2},
558 };
559 
560 static const unsigned char lbus_play_opl3[] = {
561         DIGITAL_MIXER_IN0 + FM_MIXER, 0xff
562 };
563 static const unsigned char lbus_play_modem[] = {
564         DIGITAL_MIXER_IN0 + MODEM_MIXER, 0xff
565 };
566 static const unsigned char lbus_play_i2s[] = {
567         INTER0_IN + I2S_INTDEC, DIGITAL_MIXER_IN0 + I2S_MIXER, 0xff
568 };
569 static const unsigned char lbus_play_out[] = {
570         PDAC2ACLNK, 0xff
571 };
572 static const unsigned char lbus_play_outhp[] = {
573         HNDSPK2ACLNK, 0xff
574 };
575 static const unsigned char lbus_play_noconv1[] = {
576         DIGITAL_MIXER_IN0, 0xff
577 };
578 static const unsigned char lbus_play_stereo1[] = {
579         INTER0_IN, DIGITAL_MIXER_IN0, 0xff
580 };
581 static const unsigned char lbus_play_mono1[] = {
582         INTERM0_IN, DIGITAL_MIXER_IN0, 0xff
583 };
584 static const unsigned char lbus_play_noconv2[] = {
585         DIGITAL_MIXER_IN1, 0xff
586 };
587 static const unsigned char lbus_play_stereo2[] = {
588         INTER1_IN, DIGITAL_MIXER_IN1, 0xff
589 };
590 static const unsigned char lbus_play_mono2[] = {
591         INTERM1_IN, DIGITAL_MIXER_IN1, 0xff
592 };
593 static const unsigned char lbus_play_noconv3[] = {
594         DIGITAL_MIXER_IN2, 0xff
595 };
596 static const unsigned char lbus_play_stereo3[] = {
597         INTER2_IN, DIGITAL_MIXER_IN2, 0xff
598 };
599 static const unsigned char lbus_play_mono3[] = {
600         INTERM2_IN, DIGITAL_MIXER_IN2, 0xff
601 };
602 static const unsigned char lbus_rec_noconv1[] = {
603         LBUS2ARM_FIFO5, 0xff
604 };
605 static const unsigned char lbus_rec_stereo1[] = {
606         DECIM0_IN, LBUS2ARM_FIFO5, 0xff
607 };
608 static const unsigned char lbus_rec_mono1[] = {
609         DECIMM3_IN, LBUS2ARM_FIFO5, 0xff
610 };
611 
612 static const unsigned char play_ids[] = { 4, 1, 2, };
613 static const unsigned char play_sources[] = {
614         ARM2LBUS_FIFO4, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2,
615 };
616 static const struct lbuspath lbus_play_paths[] = {
617         {
618          .noconv = lbus_play_noconv1,
619          .stereo = lbus_play_stereo1,
620          .mono = lbus_play_mono1,
621          },
622         {
623          .noconv = lbus_play_noconv2,
624          .stereo = lbus_play_stereo2,
625          .mono = lbus_play_mono2,
626          },
627         {
628          .noconv = lbus_play_noconv3,
629          .stereo = lbus_play_stereo3,
630          .mono = lbus_play_mono3,
631          },
632 };
633 static const struct lbuspath lbus_rec_path = {
634         .noconv = lbus_rec_noconv1,
635         .stereo = lbus_rec_stereo1,
636         .mono = lbus_rec_mono1,
637 };
638 
639 #define FIRMWARE_VERSIONS 1
640 static union firmware_version firmware_versions[] = {
641         {
642                 .firmware = {
643                         .ASIC = 3,
644                         .CODEC = 2,
645                         .AUXDSP = 3,
646                         .PROG = 773,
647                 },
648         },
649 };
650 
651 static u32 atoh(const unsigned char *in, unsigned int len)
652 {
653         u32 sum = 0;
654         unsigned int mult = 1;
655         unsigned char c;
656 
657         while (len) {
658                 int value;
659 
660                 c = in[len - 1];
661                 value = hex_to_bin(c);
662                 if (value >= 0)
663                         sum += mult * value;
664                 mult *= 16;
665                 --len;
666         }
667         return sum;
668 }
669 
670 static int senddata(struct cmdif *cif, const unsigned char *in, u32 offset)
671 {
672         u32 addr;
673         u32 data;
674         u32 i;
675         const unsigned char *p;
676 
677         i = atoh(&in[1], 2);
678         addr = offset + atoh(&in[3], 4);
679         if (SEND_SMEM(cif, 0, addr) != 0)
680                 return -EACCES;
681         p = in + 9;
682         while (i) {
683                 data = atoh(p, 8);
684                 if (SEND_WMEM(cif, 2,
685                               ((data & 0x0f0f0f0f) << 4) | ((data & 0xf0f0f0f0)
686                                                             >> 4)))
687                         return -EACCES;
688                 i -= 4;
689                 p += 8;
690         }
691         return 0;
692 }
693 
694 static int loadfirmware(struct cmdif *cif, const unsigned char *img,
695                         unsigned int size)
696 {
697         const unsigned char *in;
698         u32 laddr, saddr, t, val;
699         int err = 0;
700 
701         laddr = saddr = 0;
702         while (size > 0 && err == 0) {
703                 in = img;
704                 if (in[0] == ':') {
705                         t = atoh(&in[7], 2);
706                         switch (t) {
707                         case DATA_REC:
708                                 err = senddata(cif, in, laddr + saddr);
709                                 break;
710                         case EXT_SEG_ADDR_REC:
711                                 saddr = atoh(&in[9], 4) << 4;
712                                 break;
713                         case EXT_LIN_ADDR_REC:
714                                 laddr = atoh(&in[9], 4) << 16;
715                                 break;
716                         case EXT_GOTO_CMD_REC:
717                                 val = atoh(&in[9], 8);
718                                 if (SEND_GOTO(cif, val) != 0)
719                                         err = -EACCES;
720                                 break;
721                         case EXT_END_OF_FILE:
722                                 size = 0;
723                                 break;
724                         default:
725                                 break;
726                         }
727                         while (size > 0) {
728                                 size--;
729                                 if (*img++ == '\n')
730                                         break;
731                         }
732                 }
733         }
734         snd_printdd("load firmware return %d\n", err);
735         return err;
736 }
737 
738 static void
739 alloclbuspath(struct cmdif *cif, unsigned char source,
740               const unsigned char *path, unsigned char *mixer, unsigned char *s)
741 {
742         while (*path != 0xff) {
743                 unsigned char sink, type;
744 
745                 sink = *path & (~SPLIT_PATH);
746                 if (sink != E2SINK_MAX) {
747                         snd_printdd("alloc path 0x%x->0x%x\n", source, sink);
748                         SEND_PSEL(cif, source, sink);
749                         source = lbusin2out[sink][0];
750                         type = lbusin2out[sink][1];
751                         if (type == LS_MIXER_IN) {
752                                 if (mixer)
753                                         *mixer = sink - DIGITAL_MIXER_IN0;
754                         }
755                         if (type == LS_SRC_DECIMATORM ||
756                             type == LS_SRC_DECIMATOR ||
757                             type == LS_SRC_INTERPOLATORM ||
758                             type == LS_SRC_INTERPOLATOR) {
759                                 if (s) {
760                                         if (s[0] != 0xff)
761                                                 s[1] = sink;
762                                         else
763                                                 s[0] = sink;
764                                 }
765                         }
766                 }
767                 if (*path++ & SPLIT_PATH) {
768                         const unsigned char *npath = path;
769 
770                         while (*npath != 0xff)
771                                 npath++;
772                         alloclbuspath(cif, source + 1, ++npath, mixer, s);
773                 }
774         }
775 }
776 
777 static void
778 freelbuspath(struct cmdif *cif, unsigned char source, const unsigned char *path)
779 {
780         while (*path != 0xff) {
781                 unsigned char sink;
782 
783                 sink = *path & (~SPLIT_PATH);
784                 if (sink != E2SINK_MAX) {
785                         snd_printdd("free path 0x%x->0x%x\n", source, sink);
786                         SEND_PCLR(cif, source, sink);
787                         source = lbusin2out[sink][0];
788                 }
789                 if (*path++ & SPLIT_PATH) {
790                         const unsigned char *npath = path;
791 
792                         while (*npath != 0xff)
793                                 npath++;
794                         freelbuspath(cif, source + 1, ++npath);
795                 }
796         }
797 }
798 
799 static int writearm(struct cmdif *cif, u32 addr, u32 data, u32 mask)
800 {
801         union cmdret rptr = CMDRET_ZERO;
802         unsigned int i = MAX_WRITE_RETRY;
803         int flag = 1;
804 
805         SEND_RMEM(cif, 0x02, addr, &rptr);
806         rptr.retlongs[0] &= (~mask);
807 
808         while (--i) {
809                 SEND_SMEM(cif, 0x01, addr);
810                 SEND_WMEM(cif, 0x02, (rptr.retlongs[0] | data));
811                 SEND_RMEM(cif, 0x02, addr, &rptr);
812                 if ((rptr.retlongs[0] & data) == data) {
813                         flag = 0;
814                         break;
815                 } else
816                         rptr.retlongs[0] &= ~mask;
817         }
818         snd_printdd("send arm 0x%x 0x%x 0x%x return %d\n", addr, data, mask,
819                     flag);
820         return flag;
821 }
822 
823 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
824                    union cmdret *ret)
825 {
826         int i, j;
827         int err;
828         unsigned int time = 0;
829         unsigned long irqflags;
830         struct riptideport *hwport;
831         struct cmdport *cmdport = NULL;
832 
833         if (snd_BUG_ON(!cif))
834                 return -EINVAL;
835 
836         hwport = cif->hwport;
837         if (cif->errcnt > MAX_ERROR_COUNT) {
838                 if (cif->is_reset) {
839                         snd_printk(KERN_ERR
840                                    "Riptide: Too many failed cmds, reinitializing\n");
841                         if (riptide_reset(cif, NULL) == 0) {
842                                 cif->errcnt = 0;
843                                 return -EIO;
844                         }
845                 }
846                 snd_printk(KERN_ERR "Riptide: Initialization failed.\n");
847                 return -EINVAL;
848         }
849         if (ret) {
850                 ret->retlongs[0] = 0;
851                 ret->retlongs[1] = 0;
852         }
853         i = 0;
854         spin_lock_irqsave(&cif->lock, irqflags);
855         while (i++ < CMDIF_TIMEOUT && !IS_READY(cif->hwport))
856                 udelay(10);
857         if (i > CMDIF_TIMEOUT) {
858                 err = -EBUSY;
859                 goto errout;
860         }
861 
862         err = 0;
863         for (j = 0, time = 0; time < CMDIF_TIMEOUT; j++, time += 2) {
864                 cmdport = &(hwport->port[j % 2]);
865                 if (IS_DATF(cmdport)) { /* free pending data */
866                         READ_PORT_ULONG(cmdport->data1);
867                         READ_PORT_ULONG(cmdport->data2);
868                 }
869                 if (IS_CMDE(cmdport)) {
870                         if (flags & PARM)       /* put data */
871                                 WRITE_PORT_ULONG(cmdport->data2, parm);
872                         WRITE_PORT_ULONG(cmdport->data1, cmd);  /* write cmd */
873                         if ((flags & RESP) && ret) {
874                                 while (!IS_DATF(cmdport) &&
875                                        time < CMDIF_TIMEOUT) {
876                                         udelay(10);
877                                         time++;
878                                 }
879                                 if (time < CMDIF_TIMEOUT) {     /* read response */
880                                         ret->retlongs[0] =
881                                             READ_PORT_ULONG(cmdport->data1);
882                                         ret->retlongs[1] =
883                                             READ_PORT_ULONG(cmdport->data2);
884                                 } else {
885                                         err = -ENOSYS;
886                                         goto errout;
887                                 }
888                         }
889                         break;
890                 }
891                 udelay(20);
892         }
893         if (time == CMDIF_TIMEOUT) {
894                 err = -ENODATA;
895                 goto errout;
896         }
897         spin_unlock_irqrestore(&cif->lock, irqflags);
898 
899         cif->cmdcnt++;          /* update command statistics */
900         cif->cmdtime += time;
901         if (time > cif->cmdtimemax)
902                 cif->cmdtimemax = time;
903         if (time < cif->cmdtimemin)
904                 cif->cmdtimemin = time;
905         if ((cif->cmdcnt) % 1000 == 0)
906                 snd_printdd
907                     ("send cmd %d time: %d mintime: %d maxtime %d err: %d\n",
908                      cif->cmdcnt, cif->cmdtime, cif->cmdtimemin,
909                      cif->cmdtimemax, cif->errcnt);
910         return 0;
911 
912       errout:
913         cif->errcnt++;
914         spin_unlock_irqrestore(&cif->lock, irqflags);
915         snd_printdd
916             ("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",
917              cif->cmdcnt, (int)((void *)&(cmdport->stat) - (void *)hwport),
918              flags, cmd, parm, ret ? ret->retlongs[0] : 0,
919              ret ? ret->retlongs[1] : 0, IS_CMDE(cmdport), IS_DATF(cmdport),
920              err);
921         return err;
922 }
923 
924 static int
925 setmixer(struct cmdif *cif, short num, unsigned short rval, unsigned short lval)
926 {
927         union cmdret rptr = CMDRET_ZERO;
928         int i = 0;
929 
930         snd_printdd("sent mixer %d: 0x%x 0x%x\n", num, rval, lval);
931         do {
932                 SEND_SDGV(cif, num, num, rval, lval);
933                 SEND_RDGV(cif, num, num, &rptr);
934                 if (rptr.retwords[0] == lval && rptr.retwords[1] == rval)
935                         return 0;
936         } while (i++ < MAX_WRITE_RETRY);
937         snd_printdd("sent mixer failed\n");
938         return -EIO;
939 }
940 
941 static int getpaths(struct cmdif *cif, unsigned char *o)
942 {
943         unsigned char src[E2SINK_MAX];
944         unsigned char sink[E2SINK_MAX];
945         int i, j = 0;
946 
947         for (i = 0; i < E2SINK_MAX; i++) {
948                 getsourcesink(cif, i, i, &src[i], &sink[i]);
949                 if (sink[i] < E2SINK_MAX) {
950                         o[j++] = sink[i];
951                         o[j++] = i;
952                 }
953         }
954         return j;
955 }
956 
957 static int
958 getsourcesink(struct cmdif *cif, unsigned char source, unsigned char sink,
959               unsigned char *a, unsigned char *b)
960 {
961         union cmdret rptr = CMDRET_ZERO;
962 
963         if (SEND_RSSV(cif, source, sink, &rptr) &&
964             SEND_RSSV(cif, source, sink, &rptr))
965                 return -EIO;
966         *a = rptr.retbytes[0];
967         *b = rptr.retbytes[1];
968         snd_printdd("getsourcesink 0x%x 0x%x\n", *a, *b);
969         return 0;
970 }
971 
972 static int
973 getsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int *rate)
974 {
975         unsigned char *s;
976         unsigned int p[2] = { 0, 0 };
977         int i;
978         union cmdret rptr = CMDRET_ZERO;
979 
980         s = intdec;
981         for (i = 0; i < 2; i++) {
982                 if (*s != 0xff) {
983                         if (SEND_RSRC(cif, *s, &rptr) &&
984                             SEND_RSRC(cif, *s, &rptr))
985                                 return -EIO;
986                         p[i] += rptr.retwords[1];
987                         p[i] *= rptr.retwords[2];
988                         p[i] += rptr.retwords[3];
989                         p[i] /= 65536;
990                 }
991                 s++;
992         }
993         if (p[0]) {
994                 if (p[1] != p[0])
995                         snd_printdd("rates differ %d %d\n", p[0], p[1]);
996                 *rate = (unsigned int)p[0];
997         } else
998                 *rate = (unsigned int)p[1];
999         snd_printdd("getsampleformat %d %d %d\n", intdec[0], intdec[1], *rate);
1000         return 0;
1001 }
1002 
1003 static int
1004 setsampleformat(struct cmdif *cif,
1005                 unsigned char mixer, unsigned char id,
1006                 unsigned char channels, snd_pcm_format_t format)
1007 {
1008         unsigned char w, ch, sig, order;
1009 
1010         snd_printdd
1011             ("setsampleformat mixer: %d id: %d channels: %d format: %d\n",
1012              mixer, id, channels, format);
1013         ch = channels == 1;
1014         w = snd_pcm_format_width(format) == 8;
1015         sig = snd_pcm_format_unsigned(format) != 0;
1016         order = snd_pcm_format_big_endian(format) != 0;
1017 
1018         if (SEND_SETF(cif, mixer, w, ch, order, sig, id) &&
1019             SEND_SETF(cif, mixer, w, ch, order, sig, id)) {
1020                 snd_printdd("setsampleformat failed\n");
1021                 return -EIO;
1022         }
1023         return 0;
1024 }
1025 
1026 static int
1027 setsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int rate)
1028 {
1029         u32 D, M, N;
1030         union cmdret rptr = CMDRET_ZERO;
1031         int i;
1032 
1033         snd_printdd("setsamplerate intdec: %d,%d rate: %d\n", intdec[0],
1034                     intdec[1], rate);
1035         D = 48000;
1036         M = ((rate == 48000) ? 47999 : rate) * 65536;
1037         N = M % D;
1038         M /= D;
1039         for (i = 0; i < 2; i++) {
1040                 if (*intdec != 0xff) {
1041                         do {
1042                                 SEND_SSRC(cif, *intdec, D, M, N);
1043                                 SEND_RSRC(cif, *intdec, &rptr);
1044                         } while (rptr.retwords[1] != D &&
1045                                  rptr.retwords[2] != M &&
1046                                  rptr.retwords[3] != N &&
1047                                  i++ < MAX_WRITE_RETRY);
1048                         if (i > MAX_WRITE_RETRY) {
1049                                 snd_printdd("sent samplerate %d: %d failed\n",
1050                                             *intdec, rate);
1051                                 return -EIO;
1052                         }
1053                 }
1054                 intdec++;
1055         }
1056         return 0;
1057 }
1058 
1059 static int
1060 getmixer(struct cmdif *cif, short num, unsigned short *rval,
1061          unsigned short *lval)
1062 {
1063         union cmdret rptr = CMDRET_ZERO;
1064 
1065         if (SEND_RDGV(cif, num, num, &rptr) && SEND_RDGV(cif, num, num, &rptr))
1066                 return -EIO;
1067         *rval = rptr.retwords[0];
1068         *lval = rptr.retwords[1];
1069         snd_printdd("got mixer %d: 0x%x 0x%x\n", num, *rval, *lval);
1070         return 0;
1071 }
1072 
1073 static void riptide_handleirq(unsigned long dev_id)
1074 {
1075         struct snd_riptide *chip = (void *)dev_id;
1076         struct cmdif *cif = chip->cif;
1077         struct snd_pcm_substream *substream[PLAYBACK_SUBSTREAMS + 1];
1078         struct snd_pcm_runtime *runtime;
1079         struct pcmhw *data = NULL;
1080         unsigned int pos, period_bytes;
1081         struct sgd *c;
1082         int i, j;
1083         unsigned int flag;
1084 
1085         if (!cif)
1086                 return;
1087 
1088         for (i = 0; i < PLAYBACK_SUBSTREAMS; i++)
1089                 substream[i] = chip->playback_substream[i];
1090         substream[i] = chip->capture_substream;
1091         for (i = 0; i < PLAYBACK_SUBSTREAMS + 1; i++) {
1092                 if (substream[i] &&
1093                     (runtime = substream[i]->runtime) &&
1094                     (data = runtime->private_data) && data->state != ST_STOP) {
1095                         pos = 0;
1096                         for (j = 0; j < data->pages; j++) {
1097                                 c = &data->sgdbuf[j];
1098                                 flag = le32_to_cpu(c->dwStat_Ctl);
1099                                 if (flag & EOB_STATUS)
1100                                         pos += le32_to_cpu(c->dwSegLen);
1101                                 if (flag & EOC_STATUS)
1102                                         pos += le32_to_cpu(c->dwSegLen);
1103                                 if ((flag & EOS_STATUS)
1104                                     && (data->state == ST_PLAY)) {
1105                                         data->state = ST_STOP;
1106                                         snd_printk(KERN_ERR
1107                                                    "Riptide: DMA stopped unexpectedly\n");
1108                                 }
1109                                 c->dwStat_Ctl =
1110                                     cpu_to_le32(flag &
1111                                                 ~(EOS_STATUS | EOB_STATUS |
1112                                                   EOC_STATUS));
1113                         }
1114                         data->pointer += pos;
1115                         pos += data->oldpos;
1116                         if (data->state != ST_STOP) {
1117                                 period_bytes =
1118                                     frames_to_bytes(runtime,
1119                                                     runtime->period_size);
1120                                 snd_printdd
1121                                     ("interrupt 0x%x after 0x%lx of 0x%lx frames in period\n",
1122                                      READ_AUDIO_STATUS(cif->hwport),
1123                                      bytes_to_frames(runtime, pos),
1124                                      runtime->period_size);
1125                                 j = 0;
1126                                 if (pos >= period_bytes) {
1127                                         j++;
1128                                         while (pos >= period_bytes)
1129                                                 pos -= period_bytes;
1130                                 }
1131                                 data->oldpos = pos;
1132                                 if (j > 0)
1133                                         snd_pcm_period_elapsed(substream[i]);
1134                         }
1135                 }
1136         }
1137 }
1138 
1139 #ifdef CONFIG_PM_SLEEP
1140 static int riptide_suspend(struct device *dev)
1141 {
1142         struct snd_card *card = dev_get_drvdata(dev);
1143         struct snd_riptide *chip = card->private_data;
1144 
1145         chip->in_suspend = 1;
1146         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1147         snd_ac97_suspend(chip->ac97);
1148         return 0;
1149 }
1150 
1151 static int riptide_resume(struct device *dev)
1152 {
1153         struct snd_card *card = dev_get_drvdata(dev);
1154         struct snd_riptide *chip = card->private_data;
1155 
1156         snd_riptide_initialize(chip);
1157         snd_ac97_resume(chip->ac97);
1158         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1159         chip->in_suspend = 0;
1160         return 0;
1161 }
1162 
1163 static SIMPLE_DEV_PM_OPS(riptide_pm, riptide_suspend, riptide_resume);
1164 #define RIPTIDE_PM_OPS  &riptide_pm
1165 #else
1166 #define RIPTIDE_PM_OPS  NULL
1167 #endif /* CONFIG_PM_SLEEP */
1168 
1169 static int try_to_load_firmware(struct cmdif *cif, struct snd_riptide *chip)
1170 {
1171         union firmware_version firmware = { .ret = CMDRET_ZERO };
1172         int i, timeout, err;
1173 
1174         for (i = 0; i < 2; i++) {
1175                 WRITE_PORT_ULONG(cif->hwport->port[i].data1, 0);
1176                 WRITE_PORT_ULONG(cif->hwport->port[i].data2, 0);
1177         }
1178         SET_GRESET(cif->hwport);
1179         udelay(100);
1180         UNSET_GRESET(cif->hwport);
1181         udelay(100);
1182 
1183         for (timeout = 100000; --timeout; udelay(10)) {
1184                 if (IS_READY(cif->hwport) && !IS_GERR(cif->hwport))
1185                         break;
1186         }
1187         if (!timeout) {
1188                 snd_printk(KERN_ERR
1189                            "Riptide: device not ready, audio status: 0x%x "
1190                            "ready: %d gerr: %d\n",
1191                            READ_AUDIO_STATUS(cif->hwport),
1192                            IS_READY(cif->hwport), IS_GERR(cif->hwport));
1193                 return -EIO;
1194         } else {
1195                 snd_printdd
1196                         ("Riptide: audio status: 0x%x ready: %d gerr: %d\n",
1197                          READ_AUDIO_STATUS(cif->hwport),
1198                          IS_READY(cif->hwport), IS_GERR(cif->hwport));
1199         }
1200 
1201         SEND_GETV(cif, &firmware.ret);
1202         snd_printdd("Firmware version: ASIC: %d CODEC %d AUXDSP %d PROG %d\n",
1203                     firmware.firmware.ASIC, firmware.firmware.CODEC,
1204                     firmware.firmware.AUXDSP, firmware.firmware.PROG);
1205 
1206         if (!chip)
1207                 return 1;
1208 
1209         for (i = 0; i < FIRMWARE_VERSIONS; i++) {
1210                 if (!memcmp(&firmware_versions[i], &firmware, sizeof(firmware)))
1211                         return 1; /* OK */
1212 
1213         }
1214 
1215         snd_printdd("Writing Firmware\n");
1216         if (!chip->fw_entry) {
1217                 err = request_firmware(&chip->fw_entry, "riptide.hex",
1218                                        &chip->pci->dev);
1219                 if (err) {
1220                         snd_printk(KERN_ERR
1221                                    "Riptide: Firmware not available %d\n", err);
1222                         return -EIO;
1223                 }
1224         }
1225         err = loadfirmware(cif, chip->fw_entry->data, chip->fw_entry->size);
1226         if (err) {
1227                 snd_printk(KERN_ERR
1228                            "Riptide: Could not load firmware %d\n", err);
1229                 return err;
1230         }
1231 
1232         chip->firmware = firmware;
1233 
1234         return 1; /* OK */
1235 }
1236 
1237 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip)
1238 {
1239         union cmdret rptr = CMDRET_ZERO;
1240         int err, tries;
1241 
1242         if (!cif)
1243                 return -EINVAL;
1244 
1245         cif->cmdcnt = 0;
1246         cif->cmdtime = 0;
1247         cif->cmdtimemax = 0;
1248         cif->cmdtimemin = 0xffffffff;
1249         cif->errcnt = 0;
1250         cif->is_reset = 0;
1251 
1252         tries = RESET_TRIES;
1253         do {
1254                 err = try_to_load_firmware(cif, chip);
1255                 if (err < 0)
1256                         return err;
1257         } while (!err && --tries);
1258 
1259         SEND_SACR(cif, 0, AC97_RESET);
1260         SEND_RACR(cif, AC97_RESET, &rptr);
1261         snd_printdd("AC97: 0x%x 0x%x\n", rptr.retlongs[0], rptr.retlongs[1]);
1262 
1263         SEND_PLST(cif, 0);
1264         SEND_SLST(cif, 0);
1265         SEND_DLST(cif, 0);
1266         SEND_ALST(cif, 0);
1267         SEND_KDMA(cif);
1268 
1269         writearm(cif, 0x301F8, 1, 1);
1270         writearm(cif, 0x301F4, 1, 1);
1271 
1272         SEND_LSEL(cif, MODEM_CMD, 0, 0, MODEM_INTDEC, MODEM_MERGER,
1273                   MODEM_SPLITTER, MODEM_MIXER);
1274         setmixer(cif, MODEM_MIXER, 0x7fff, 0x7fff);
1275         alloclbuspath(cif, ARM2LBUS_FIFO13, lbus_play_modem, NULL, NULL);
1276 
1277         SEND_LSEL(cif, FM_CMD, 0, 0, FM_INTDEC, FM_MERGER, FM_SPLITTER,
1278                   FM_MIXER);
1279         setmixer(cif, FM_MIXER, 0x7fff, 0x7fff);
1280         writearm(cif, 0x30648 + FM_MIXER * 4, 0x01, 0x00000005);
1281         writearm(cif, 0x301A8, 0x02, 0x00000002);
1282         writearm(cif, 0x30264, 0x08, 0xffffffff);
1283         alloclbuspath(cif, OPL3_SAMPLE, lbus_play_opl3, NULL, NULL);
1284 
1285         SEND_SSRC(cif, I2S_INTDEC, 48000,
1286                   ((u32) I2S_RATE * 65536) / 48000,
1287                   ((u32) I2S_RATE * 65536) % 48000);
1288         SEND_LSEL(cif, I2S_CMD0, 0, 0, I2S_INTDEC, I2S_MERGER, I2S_SPLITTER,
1289                   I2S_MIXER);
1290         SEND_SI2S(cif, 1);
1291         alloclbuspath(cif, ARM2LBUS_FIFO0, lbus_play_i2s, NULL, NULL);
1292         alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_out, NULL, NULL);
1293         alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_outhp, NULL, NULL);
1294 
1295         SET_AIACK(cif->hwport);
1296         SET_AIE(cif->hwport);
1297         SET_AIACK(cif->hwport);
1298         cif->is_reset = 1;
1299 
1300         return 0;
1301 }
1302 
1303 static const struct snd_pcm_hardware snd_riptide_playback = {
1304         .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1305                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1306                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1307         .formats =
1308             SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1309             | SNDRV_PCM_FMTBIT_U16_LE,
1310         .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1311         .rate_min = 5500,
1312         .rate_max = 48000,
1313         .channels_min = 1,
1314         .channels_max = 2,
1315         .buffer_bytes_max = (64 * 1024),
1316         .period_bytes_min = PAGE_SIZE >> 1,
1317         .period_bytes_max = PAGE_SIZE << 8,
1318         .periods_min = 2,
1319         .periods_max = 64,
1320         .fifo_size = 0,
1321 };
1322 static const struct snd_pcm_hardware snd_riptide_capture = {
1323         .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1324                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1325                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1326         .formats =
1327             SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1328             | SNDRV_PCM_FMTBIT_U16_LE,
1329         .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1330         .rate_min = 5500,
1331         .rate_max = 48000,
1332         .channels_min = 1,
1333         .channels_max = 2,
1334         .buffer_bytes_max = (64 * 1024),
1335         .period_bytes_min = PAGE_SIZE >> 1,
1336         .period_bytes_max = PAGE_SIZE << 3,
1337         .periods_min = 2,
1338         .periods_max = 64,
1339         .fifo_size = 0,
1340 };
1341 
1342 static snd_pcm_uframes_t snd_riptide_pointer(struct snd_pcm_substream
1343                                              *substream)
1344 {
1345         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1346         struct snd_pcm_runtime *runtime = substream->runtime;
1347         struct pcmhw *data = get_pcmhwdev(substream);
1348         struct cmdif *cif = chip->cif;
1349         union cmdret rptr = CMDRET_ZERO;
1350         snd_pcm_uframes_t ret;
1351 
1352         SEND_GPOS(cif, 0, data->id, &rptr);
1353         if (data->size && runtime->period_size) {
1354                 snd_printdd
1355                     ("pointer stream %d position 0x%x(0x%x in buffer) bytes 0x%lx(0x%lx in period) frames\n",
1356                      data->id, rptr.retlongs[1], rptr.retlongs[1] % data->size,
1357                      bytes_to_frames(runtime, rptr.retlongs[1]),
1358                      bytes_to_frames(runtime,
1359                                      rptr.retlongs[1]) % runtime->period_size);
1360                 if (rptr.retlongs[1] > data->pointer)
1361                         ret =
1362                             bytes_to_frames(runtime,
1363                                             rptr.retlongs[1] % data->size);
1364                 else
1365                         ret =
1366                             bytes_to_frames(runtime,
1367                                             data->pointer % data->size);
1368         } else {
1369                 snd_printdd("stream not started or strange parms (%d %ld)\n",
1370                             data->size, runtime->period_size);
1371                 ret = bytes_to_frames(runtime, 0);
1372         }
1373         return ret;
1374 }
1375 
1376 static int snd_riptide_trigger(struct snd_pcm_substream *substream, int cmd)
1377 {
1378         int i, j;
1379         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1380         struct pcmhw *data = get_pcmhwdev(substream);
1381         struct cmdif *cif = chip->cif;
1382         union cmdret rptr = CMDRET_ZERO;
1383 
1384         spin_lock(&chip->lock);
1385         switch (cmd) {
1386         case SNDRV_PCM_TRIGGER_START:
1387         case SNDRV_PCM_TRIGGER_RESUME:
1388                 if (!(data->state & ST_PLAY)) {
1389                         SEND_SSTR(cif, data->id, data->sgdlist.addr);
1390                         SET_AIE(cif->hwport);
1391                         data->state = ST_PLAY;
1392                         if (data->mixer != 0xff)
1393                                 setmixer(cif, data->mixer, 0x7fff, 0x7fff);
1394                         chip->openstreams++;
1395                         data->oldpos = 0;
1396                         data->pointer = 0;
1397                 }
1398                 break;
1399         case SNDRV_PCM_TRIGGER_STOP:
1400         case SNDRV_PCM_TRIGGER_SUSPEND:
1401                 if (data->mixer != 0xff)
1402                         setmixer(cif, data->mixer, 0, 0);
1403                 setmixer(cif, data->mixer, 0, 0);
1404                 SEND_KSTR(cif, data->id);
1405                 data->state = ST_STOP;
1406                 chip->openstreams--;
1407                 j = 0;
1408                 do {
1409                         i = rptr.retlongs[1];
1410                         SEND_GPOS(cif, 0, data->id, &rptr);
1411                         udelay(1);
1412                 } while (i != rptr.retlongs[1] && j++ < MAX_WRITE_RETRY);
1413                 if (j > MAX_WRITE_RETRY)
1414                         snd_printk(KERN_ERR "Riptide: Could not stop stream!");
1415                 break;
1416         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1417                 if (!(data->state & ST_PAUSE)) {
1418                         SEND_PSTR(cif, data->id);
1419                         data->state |= ST_PAUSE;
1420                         chip->openstreams--;
1421                 }
1422                 break;
1423         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1424                 if (data->state & ST_PAUSE) {
1425                         SEND_SSTR(cif, data->id, data->sgdlist.addr);
1426                         data->state &= ~ST_PAUSE;
1427                         chip->openstreams++;
1428                 }
1429                 break;
1430         default:
1431                 spin_unlock(&chip->lock);
1432                 return -EINVAL;
1433         }
1434         spin_unlock(&chip->lock);
1435         return 0;
1436 }
1437 
1438 static int snd_riptide_prepare(struct snd_pcm_substream *substream)
1439 {
1440         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1441         struct snd_pcm_runtime *runtime = substream->runtime;
1442         struct pcmhw *data = get_pcmhwdev(substream);
1443         struct cmdif *cif = chip->cif;
1444         const unsigned char *lbuspath = NULL;
1445         unsigned int rate, channels;
1446         int err = 0;
1447         snd_pcm_format_t format;
1448 
1449         if (snd_BUG_ON(!cif || !data))
1450                 return -EINVAL;
1451 
1452         snd_printdd("prepare id %d ch: %d f:0x%x r:%d\n", data->id,
1453                     runtime->channels, runtime->format, runtime->rate);
1454 
1455         spin_lock_irq(&chip->lock);
1456         channels = runtime->channels;
1457         format = runtime->format;
1458         rate = runtime->rate;
1459         switch (channels) {
1460         case 1:
1461                 if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1462                         lbuspath = data->paths.noconv;
1463                 else
1464                         lbuspath = data->paths.mono;
1465                 break;
1466         case 2:
1467                 if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1468                         lbuspath = data->paths.noconv;
1469                 else
1470                         lbuspath = data->paths.stereo;
1471                 break;
1472         }
1473         snd_printdd("use sgdlist at 0x%p\n",
1474                     data->sgdlist.area);
1475         if (data->sgdlist.area) {
1476                 unsigned int i, j, size, pages, f, pt, period;
1477                 struct sgd *c, *p = NULL;
1478 
1479                 size = frames_to_bytes(runtime, runtime->buffer_size);
1480                 period = frames_to_bytes(runtime, runtime->period_size);
1481                 f = PAGE_SIZE;
1482                 while ((size + (f >> 1) - 1) <= (f << 7) && (f << 1) > period)
1483                         f = f >> 1;
1484                 pages = DIV_ROUND_UP(size, f);
1485                 data->size = size;
1486                 data->pages = pages;
1487                 snd_printdd
1488                     ("create sgd size: 0x%x pages %d of size 0x%x for period 0x%x\n",
1489                      size, pages, f, period);
1490                 pt = 0;
1491                 j = 0;
1492                 for (i = 0; i < pages; i++) {
1493                         unsigned int ofs, addr;
1494                         c = &data->sgdbuf[i];
1495                         if (p)
1496                                 p->dwNextLink = cpu_to_le32(data->sgdlist.addr +
1497                                                             (i *
1498                                                              sizeof(struct
1499                                                                     sgd)));
1500                         c->dwNextLink = cpu_to_le32(data->sgdlist.addr);
1501                         ofs = j << PAGE_SHIFT;
1502                         addr = snd_pcm_sgbuf_get_addr(substream, ofs) + pt;
1503                         c->dwSegPtrPhys = cpu_to_le32(addr);
1504                         pt = (pt + f) % PAGE_SIZE;
1505                         if (pt == 0)
1506                                 j++;
1507                         c->dwSegLen = cpu_to_le32(f);
1508                         c->dwStat_Ctl =
1509                             cpu_to_le32(IEOB_ENABLE | IEOS_ENABLE |
1510                                         IEOC_ENABLE);
1511                         p = c;
1512                         size -= f;
1513                 }
1514                 data->sgdbuf[i].dwSegLen = cpu_to_le32(size);
1515         }
1516         if (lbuspath && lbuspath != data->lbuspath) {
1517                 if (data->lbuspath)
1518                         freelbuspath(cif, data->source, data->lbuspath);
1519                 alloclbuspath(cif, data->source, lbuspath,
1520                               &data->mixer, data->intdec);
1521                 data->lbuspath = lbuspath;
1522                 data->rate = 0;
1523         }
1524         if (data->rate != rate || data->format != format ||
1525             data->channels != channels) {
1526                 data->rate = rate;
1527                 data->format = format;
1528                 data->channels = channels;
1529                 if (setsampleformat
1530                     (cif, data->mixer, data->id, channels, format)
1531                     || setsamplerate(cif, data->intdec, rate))
1532                         err = -EIO;
1533         }
1534         spin_unlock_irq(&chip->lock);
1535         return err;
1536 }
1537 
1538 static int
1539 snd_riptide_hw_params(struct snd_pcm_substream *substream,
1540                       struct snd_pcm_hw_params *hw_params)
1541 {
1542         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1543         struct pcmhw *data = get_pcmhwdev(substream);
1544         struct snd_dma_buffer *sgdlist = &data->sgdlist;
1545         int err;
1546 
1547         snd_printdd("hw params id %d (sgdlist: 0x%p 0x%lx %d)\n", data->id,
1548                     sgdlist->area, (unsigned long)sgdlist->addr,
1549                     (int)sgdlist->bytes);
1550         if (sgdlist->area)
1551                 snd_dma_free_pages(sgdlist);
1552         if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
1553                                        &chip->pci->dev,
1554                                        sizeof(struct sgd) * (DESC_MAX_MASK + 1),
1555                                        sgdlist)) < 0) {
1556                 snd_printk(KERN_ERR "Riptide: failed to alloc %d dma bytes\n",
1557                            (int)sizeof(struct sgd) * (DESC_MAX_MASK + 1));
1558                 return err;
1559         }
1560         data->sgdbuf = (struct sgd *)sgdlist->area;
1561         return 0;
1562 }
1563 
1564 static int snd_riptide_hw_free(struct snd_pcm_substream *substream)
1565 {
1566         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1567         struct pcmhw *data = get_pcmhwdev(substream);
1568         struct cmdif *cif = chip->cif;
1569 
1570         if (cif && data) {
1571                 if (data->lbuspath)
1572                         freelbuspath(cif, data->source, data->lbuspath);
1573                 data->lbuspath = NULL;
1574                 data->source = 0xff;
1575                 data->intdec[0] = 0xff;
1576                 data->intdec[1] = 0xff;
1577 
1578                 if (data->sgdlist.area) {
1579                         snd_dma_free_pages(&data->sgdlist);
1580                         data->sgdlist.area = NULL;
1581                 }
1582         }
1583         return 0;
1584 }
1585 
1586 static int snd_riptide_playback_open(struct snd_pcm_substream *substream)
1587 {
1588         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1589         struct snd_pcm_runtime *runtime = substream->runtime;
1590         struct pcmhw *data;
1591         int sub_num = substream->number;
1592 
1593         chip->playback_substream[sub_num] = substream;
1594         runtime->hw = snd_riptide_playback;
1595 
1596         data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1597         if (data == NULL)
1598                 return -ENOMEM;
1599         data->paths = lbus_play_paths[sub_num];
1600         data->id = play_ids[sub_num];
1601         data->source = play_sources[sub_num];
1602         data->intdec[0] = 0xff;
1603         data->intdec[1] = 0xff;
1604         data->state = ST_STOP;
1605         runtime->private_data = data;
1606         return snd_pcm_hw_constraint_integer(runtime,
1607                                              SNDRV_PCM_HW_PARAM_PERIODS);
1608 }
1609 
1610 static int snd_riptide_capture_open(struct snd_pcm_substream *substream)
1611 {
1612         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1613         struct snd_pcm_runtime *runtime = substream->runtime;
1614         struct pcmhw *data;
1615 
1616         chip->capture_substream = substream;
1617         runtime->hw = snd_riptide_capture;
1618 
1619         data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1620         if (data == NULL)
1621                 return -ENOMEM;
1622         data->paths = lbus_rec_path;
1623         data->id = PADC;
1624         data->source = ACLNK2PADC;
1625         data->intdec[0] = 0xff;
1626         data->intdec[1] = 0xff;
1627         data->state = ST_STOP;
1628         runtime->private_data = data;
1629         return snd_pcm_hw_constraint_integer(runtime,
1630                                              SNDRV_PCM_HW_PARAM_PERIODS);
1631 }
1632 
1633 static int snd_riptide_playback_close(struct snd_pcm_substream *substream)
1634 {
1635         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1636         struct pcmhw *data = get_pcmhwdev(substream);
1637         int sub_num = substream->number;
1638 
1639         substream->runtime->private_data = NULL;
1640         chip->playback_substream[sub_num] = NULL;
1641         kfree(data);
1642         return 0;
1643 }
1644 
1645 static int snd_riptide_capture_close(struct snd_pcm_substream *substream)
1646 {
1647         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1648         struct pcmhw *data = get_pcmhwdev(substream);
1649 
1650         substream->runtime->private_data = NULL;
1651         chip->capture_substream = NULL;
1652         kfree(data);
1653         return 0;
1654 }
1655 
1656 static const struct snd_pcm_ops snd_riptide_playback_ops = {
1657         .open = snd_riptide_playback_open,
1658         .close = snd_riptide_playback_close,
1659         .hw_params = snd_riptide_hw_params,
1660         .hw_free = snd_riptide_hw_free,
1661         .prepare = snd_riptide_prepare,
1662         .trigger = snd_riptide_trigger,
1663         .pointer = snd_riptide_pointer,
1664 };
1665 static const struct snd_pcm_ops snd_riptide_capture_ops = {
1666         .open = snd_riptide_capture_open,
1667         .close = snd_riptide_capture_close,
1668         .hw_params = snd_riptide_hw_params,
1669         .hw_free = snd_riptide_hw_free,
1670         .prepare = snd_riptide_prepare,
1671         .trigger = snd_riptide_trigger,
1672         .pointer = snd_riptide_pointer,
1673 };
1674 
1675 static int snd_riptide_pcm(struct snd_riptide *chip, int device)
1676 {
1677         struct snd_pcm *pcm;
1678         int err;
1679 
1680         if ((err =
1681              snd_pcm_new(chip->card, "RIPTIDE", device, PLAYBACK_SUBSTREAMS, 1,
1682                          &pcm)) < 0)
1683                 return err;
1684         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1685                         &snd_riptide_playback_ops);
1686         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1687                         &snd_riptide_capture_ops);
1688         pcm->private_data = chip;
1689         pcm->info_flags = 0;
1690         strcpy(pcm->name, "RIPTIDE");
1691         chip->pcm = pcm;
1692         snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1693                                        &chip->pci->dev, 64 * 1024, 128 * 1024);
1694         return 0;
1695 }
1696 
1697 static irqreturn_t
1698 snd_riptide_interrupt(int irq, void *dev_id)
1699 {
1700         struct snd_riptide *chip = dev_id;
1701         struct cmdif *cif = chip->cif;
1702 
1703         if (cif) {
1704                 chip->received_irqs++;
1705                 if (IS_EOBIRQ(cif->hwport) || IS_EOSIRQ(cif->hwport) ||
1706                     IS_EOCIRQ(cif->hwport)) {
1707                         chip->handled_irqs++;
1708                         tasklet_schedule(&chip->riptide_tq);
1709                 }
1710                 if (chip->rmidi && IS_MPUIRQ(cif->hwport)) {
1711                         chip->handled_irqs++;
1712                         snd_mpu401_uart_interrupt(irq,
1713                                                   chip->rmidi->private_data);
1714                 }
1715                 SET_AIACK(cif->hwport);
1716         }
1717         return IRQ_HANDLED;
1718 }
1719 
1720 static void
1721 snd_riptide_codec_write(struct snd_ac97 *ac97, unsigned short reg,
1722                         unsigned short val)
1723 {
1724         struct snd_riptide *chip = ac97->private_data;
1725         struct cmdif *cif = chip->cif;
1726         union cmdret rptr = CMDRET_ZERO;
1727         int i = 0;
1728 
1729         if (snd_BUG_ON(!cif))
1730                 return;
1731 
1732         snd_printdd("Write AC97 reg 0x%x 0x%x\n", reg, val);
1733         do {
1734                 SEND_SACR(cif, val, reg);
1735                 SEND_RACR(cif, reg, &rptr);
1736         } while (rptr.retwords[1] != val && i++ < MAX_WRITE_RETRY);
1737         if (i > MAX_WRITE_RETRY)
1738                 snd_printdd("Write AC97 reg failed\n");
1739 }
1740 
1741 static unsigned short snd_riptide_codec_read(struct snd_ac97 *ac97,
1742                                              unsigned short reg)
1743 {
1744         struct snd_riptide *chip = ac97->private_data;
1745         struct cmdif *cif = chip->cif;
1746         union cmdret rptr = CMDRET_ZERO;
1747 
1748         if (snd_BUG_ON(!cif))
1749                 return 0;
1750 
1751         if (SEND_RACR(cif, reg, &rptr) != 0)
1752                 SEND_RACR(cif, reg, &rptr);
1753         snd_printdd("Read AC97 reg 0x%x got 0x%x\n", reg, rptr.retwords[1]);
1754         return rptr.retwords[1];
1755 }
1756 
1757 static int snd_riptide_initialize(struct snd_riptide *chip)
1758 {
1759         struct cmdif *cif;
1760         unsigned int device_id;
1761         int err;
1762 
1763         if (snd_BUG_ON(!chip))
1764                 return -EINVAL;
1765 
1766         cif = chip->cif;
1767         if (!cif) {
1768                 if ((cif = kzalloc(sizeof(struct cmdif), GFP_KERNEL)) == NULL)
1769                         return -ENOMEM;
1770                 cif->hwport = (struct riptideport *)chip->port;
1771                 spin_lock_init(&cif->lock);
1772                 chip->cif = cif;
1773         }
1774         cif->is_reset = 0;
1775         if ((err = riptide_reset(cif, chip)) != 0)
1776                 return err;
1777         device_id = chip->device_id;
1778         switch (device_id) {
1779         case 0x4310:
1780         case 0x4320:
1781         case 0x4330:
1782                 snd_printdd("Modem enable?\n");
1783                 SEND_SETDPLL(cif);
1784                 break;
1785         }
1786         snd_printdd("Enabling MPU IRQs\n");
1787         if (chip->rmidi)
1788                 SET_EMPUIRQ(cif->hwport);
1789         return err;
1790 }
1791 
1792 static int snd_riptide_free(struct snd_riptide *chip)
1793 {
1794         struct cmdif *cif;
1795 
1796         if (!chip)
1797                 return 0;
1798 
1799         if ((cif = chip->cif)) {
1800                 SET_GRESET(cif->hwport);
1801                 udelay(100);
1802                 UNSET_GRESET(cif->hwport);
1803                 kfree(chip->cif);
1804         }
1805         if (chip->irq >= 0)
1806                 free_irq(chip->irq, chip);
1807         release_firmware(chip->fw_entry);
1808         release_and_free_resource(chip->res_port);
1809         kfree(chip);
1810         return 0;
1811 }
1812 
1813 static int snd_riptide_dev_free(struct snd_device *device)
1814 {
1815         struct snd_riptide *chip = device->device_data;
1816 
1817         return snd_riptide_free(chip);
1818 }
1819 
1820 static int
1821 snd_riptide_create(struct snd_card *card, struct pci_dev *pci,
1822                    struct snd_riptide **rchip)
1823 {
1824         struct snd_riptide *chip;
1825         struct riptideport *hwport;
1826         int err;
1827         static const struct snd_device_ops ops = {
1828                 .dev_free = snd_riptide_dev_free,
1829         };
1830 
1831         *rchip = NULL;
1832         if ((err = pci_enable_device(pci)) < 0)
1833                 return err;
1834         if (!(chip = kzalloc(sizeof(struct snd_riptide), GFP_KERNEL)))
1835                 return -ENOMEM;
1836 
1837         spin_lock_init(&chip->lock);
1838         chip->card = card;
1839         chip->pci = pci;
1840         chip->irq = -1;
1841         chip->openstreams = 0;
1842         chip->port = pci_resource_start(pci, 0);
1843         chip->received_irqs = 0;
1844         chip->handled_irqs = 0;
1845         chip->cif = NULL;
1846         tasklet_init(&chip->riptide_tq, riptide_handleirq, (unsigned long)chip);
1847 
1848         if ((chip->res_port =
1849              request_region(chip->port, 64, "RIPTIDE")) == NULL) {
1850                 snd_printk(KERN_ERR
1851                            "Riptide: unable to grab region 0x%lx-0x%lx\n",
1852                            chip->port, chip->port + 64 - 1);
1853                 snd_riptide_free(chip);
1854                 return -EBUSY;
1855         }
1856         hwport = (struct riptideport *)chip->port;
1857         UNSET_AIE(hwport);
1858 
1859         if (request_irq(pci->irq, snd_riptide_interrupt, IRQF_SHARED,
1860                         KBUILD_MODNAME, chip)) {
1861                 snd_printk(KERN_ERR "Riptide: unable to grab IRQ %d\n",
1862                            pci->irq);
1863                 snd_riptide_free(chip);
1864                 return -EBUSY;
1865         }
1866         chip->irq = pci->irq;
1867         card->sync_irq = chip->irq;
1868         chip->device_id = pci->device;
1869         pci_set_master(pci);
1870         if ((err = snd_riptide_initialize(chip)) < 0) {
1871                 snd_riptide_free(chip);
1872                 return err;
1873         }
1874 
1875         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1876                 snd_riptide_free(chip);
1877                 return err;
1878         }
1879 
1880         *rchip = chip;
1881         return 0;
1882 }
1883 
1884 static void
1885 snd_riptide_proc_read(struct snd_info_entry *entry,
1886                       struct snd_info_buffer *buffer)
1887 {
1888         struct snd_riptide *chip = entry->private_data;
1889         struct pcmhw *data;
1890         int i;
1891         struct cmdif *cif = NULL;
1892         unsigned char p[256];
1893         unsigned short rval = 0, lval = 0;
1894         unsigned int rate;
1895 
1896         if (!chip)
1897                 return;
1898 
1899         snd_iprintf(buffer, "%s\n\n", chip->card->longname);
1900         snd_iprintf(buffer, "Device ID: 0x%x\nReceived IRQs: (%ld)%ld\nPorts:",
1901                     chip->device_id, chip->handled_irqs, chip->received_irqs);
1902         for (i = 0; i < 64; i += 4)
1903                 snd_iprintf(buffer, "%c%02x: %08x",
1904                             (i % 16) ? ' ' : '\n', i, inl(chip->port + i));
1905         if ((cif = chip->cif)) {
1906                 snd_iprintf(buffer,
1907                             "\nVersion: ASIC: %d CODEC: %d AUXDSP: %d PROG: %d",
1908                             chip->firmware.firmware.ASIC,
1909                             chip->firmware.firmware.CODEC,
1910                             chip->firmware.firmware.AUXDSP,
1911                             chip->firmware.firmware.PROG);
1912                 snd_iprintf(buffer, "\nDigital mixer:");
1913                 for (i = 0; i < 12; i++) {
1914                         getmixer(cif, i, &rval, &lval);
1915                         snd_iprintf(buffer, "\n %d: %d %d", i, rval, lval);
1916                 }
1917                 snd_iprintf(buffer,
1918                             "\nARM Commands num: %d failed: %d time: %d max: %d min: %d",
1919                             cif->cmdcnt, cif->errcnt,
1920                             cif->cmdtime, cif->cmdtimemax, cif->cmdtimemin);
1921         }
1922         snd_iprintf(buffer, "\nOpen streams %d:\n", chip->openstreams);
1923         for (i = 0; i < PLAYBACK_SUBSTREAMS; i++) {
1924                 if (chip->playback_substream[i]
1925                     && chip->playback_substream[i]->runtime
1926                     && (data =
1927                         chip->playback_substream[i]->runtime->private_data)) {
1928                         snd_iprintf(buffer,
1929                                     "stream: %d mixer: %d source: %d (%d,%d)\n",
1930                                     data->id, data->mixer, data->source,
1931                                     data->intdec[0], data->intdec[1]);
1932                         if (!(getsamplerate(cif, data->intdec, &rate)))
1933                                 snd_iprintf(buffer, "rate: %d\n", rate);
1934                 }
1935         }
1936         if (chip->capture_substream
1937             && chip->capture_substream->runtime
1938             && (data = chip->capture_substream->runtime->private_data)) {
1939                 snd_iprintf(buffer,
1940                             "stream: %d mixer: %d source: %d (%d,%d)\n",
1941                             data->id, data->mixer,
1942                             data->source, data->intdec[0], data->intdec[1]);
1943                 if (!(getsamplerate(cif, data->intdec, &rate)))
1944                         snd_iprintf(buffer, "rate: %d\n", rate);
1945         }
1946         snd_iprintf(buffer, "Paths:\n");
1947         i = getpaths(cif, p);
1948         while (i >= 2) {
1949                 i -= 2;
1950                 snd_iprintf(buffer, "%x->%x ", p[i], p[i + 1]);
1951         }
1952         snd_iprintf(buffer, "\n");
1953 }
1954 
1955 static void snd_riptide_proc_init(struct snd_riptide *chip)
1956 {
1957         snd_card_ro_proc_new(chip->card, "riptide", chip,
1958                              snd_riptide_proc_read);
1959 }
1960 
1961 static int snd_riptide_mixer(struct snd_riptide *chip)
1962 {
1963         struct snd_ac97_bus *pbus;
1964         struct snd_ac97_template ac97;
1965         int err = 0;
1966         static const struct snd_ac97_bus_ops ops = {
1967                 .write = snd_riptide_codec_write,
1968                 .read = snd_riptide_codec_read,
1969         };
1970 
1971         memset(&ac97, 0, sizeof(ac97));
1972         ac97.private_data = chip;
1973         ac97.scaps = AC97_SCAP_SKIP_MODEM;
1974 
1975         if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0)
1976                 return err;
1977 
1978         chip->ac97_bus = pbus;
1979         ac97.pci = chip->pci;
1980         if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97)) < 0)
1981                 return err;
1982         return err;
1983 }
1984 
1985 #ifdef SUPPORT_JOYSTICK
1986 
1987 static int
1988 snd_riptide_joystick_probe(struct pci_dev *pci, const struct pci_device_id *id)
1989 {
1990         static int dev;
1991         struct gameport *gameport;
1992         int ret;
1993 
1994         if (dev >= SNDRV_CARDS)
1995                 return -ENODEV;
1996 
1997         if (!enable[dev]) {
1998                 ret = -ENOENT;
1999                 goto inc_dev;
2000         }
2001 
2002         if (!joystick_port[dev]) {
2003                 ret = 0;
2004                 goto inc_dev;
2005         }
2006 
2007         gameport = gameport_allocate_port();
2008         if (!gameport) {
2009                 ret = -ENOMEM;
2010                 goto inc_dev;
2011         }
2012         if (!request_region(joystick_port[dev], 8, "Riptide gameport")) {
2013                 snd_printk(KERN_WARNING
2014                            "Riptide: cannot grab gameport 0x%x\n",
2015                            joystick_port[dev]);
2016                 gameport_free_port(gameport);
2017                 ret = -EBUSY;
2018                 goto inc_dev;
2019         }
2020 
2021         gameport->io = joystick_port[dev];
2022         gameport_register_port(gameport);
2023         pci_set_drvdata(pci, gameport);
2024 
2025         ret = 0;
2026 inc_dev:
2027         dev++;
2028         return ret;
2029 }
2030 
2031 static void snd_riptide_joystick_remove(struct pci_dev *pci)
2032 {
2033         struct gameport *gameport = pci_get_drvdata(pci);
2034         if (gameport) {
2035                 release_region(gameport->io, 8);
2036                 gameport_unregister_port(gameport);
2037         }
2038 }
2039 #endif
2040 
2041 static int
2042 snd_card_riptide_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2043 {
2044         static int dev;
2045         struct snd_card *card;
2046         struct snd_riptide *chip;
2047         unsigned short val;
2048         int err;
2049 
2050         if (dev >= SNDRV_CARDS)
2051                 return -ENODEV;
2052         if (!enable[dev]) {
2053                 dev++;
2054                 return -ENOENT;
2055         }
2056 
2057         err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2058                            0, &card);
2059         if (err < 0)
2060                 return err;
2061         err = snd_riptide_create(card, pci, &chip);
2062         if (err < 0)
2063                 goto error;
2064         card->private_data = chip;
2065         err = snd_riptide_pcm(chip, 0);
2066         if (err < 0)
2067                 goto error;
2068         err = snd_riptide_mixer(chip);
2069         if (err < 0)
2070                 goto error;
2071 
2072         val = LEGACY_ENABLE_ALL;
2073         if (opl3_port[dev])
2074                 val |= LEGACY_ENABLE_FM;
2075 #ifdef SUPPORT_JOYSTICK
2076         if (joystick_port[dev])
2077                 val |= LEGACY_ENABLE_GAMEPORT;
2078 #endif
2079         if (mpu_port[dev])
2080                 val |= LEGACY_ENABLE_MPU_INT | LEGACY_ENABLE_MPU;
2081         val |= (chip->irq << 4) & 0xf0;
2082         pci_write_config_word(chip->pci, PCI_EXT_Legacy_Mask, val);
2083         if (mpu_port[dev]) {
2084                 val = mpu_port[dev];
2085                 pci_write_config_word(chip->pci, PCI_EXT_MPU_Base, val);
2086                 err = snd_mpu401_uart_new(card, 0, MPU401_HW_RIPTIDE,
2087                                           val, MPU401_INFO_IRQ_HOOK, -1,
2088                                           &chip->rmidi);
2089                 if (err < 0)
2090                         snd_printk(KERN_WARNING
2091                                    "Riptide: Can't Allocate MPU at 0x%x\n",
2092                                    val);
2093                 else
2094                         chip->mpuaddr = val;
2095         }
2096         if (opl3_port[dev]) {
2097                 val = opl3_port[dev];
2098                 pci_write_config_word(chip->pci, PCI_EXT_FM_Base, val);
2099                 err = snd_opl3_create(card, val, val + 2,
2100                                       OPL3_HW_RIPTIDE, 0, &chip->opl3);
2101                 if (err < 0)
2102                         snd_printk(KERN_WARNING
2103                                    "Riptide: Can't Allocate OPL3 at 0x%x\n",
2104                                    val);
2105                 else {
2106                         chip->opladdr = val;
2107                         err = snd_opl3_hwdep_new(chip->opl3, 0, 1, NULL);
2108                         if (err < 0)
2109                                 snd_printk(KERN_WARNING
2110                                            "Riptide: Can't Allocate OPL3-HWDEP\n");
2111                 }
2112         }
2113 #ifdef SUPPORT_JOYSTICK
2114         if (joystick_port[dev]) {
2115                 val = joystick_port[dev];
2116                 pci_write_config_word(chip->pci, PCI_EXT_Game_Base, val);
2117                 chip->gameaddr = val;
2118         }
2119 #endif
2120 
2121         strcpy(card->driver, "RIPTIDE");
2122         strcpy(card->shortname, "Riptide");
2123 #ifdef SUPPORT_JOYSTICK
2124         snprintf(card->longname, sizeof(card->longname),
2125                  "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x gameport 0x%x",
2126                  card->shortname, chip->port, chip->irq, chip->mpuaddr,
2127                  chip->opladdr, chip->gameaddr);
2128 #else
2129         snprintf(card->longname, sizeof(card->longname),
2130                  "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x",
2131                  card->shortname, chip->port, chip->irq, chip->mpuaddr,
2132                  chip->opladdr);
2133 #endif
2134         snd_riptide_proc_init(chip);
2135         err = snd_card_register(card);
2136         if (err < 0)
2137                 goto error;
2138         pci_set_drvdata(pci, card);
2139         dev++;
2140         return 0;
2141 
2142  error:
2143         snd_card_free(card);
2144         return err;
2145 }
2146 
2147 static void snd_card_riptide_remove(struct pci_dev *pci)
2148 {
2149         snd_card_free(pci_get_drvdata(pci));
2150 }
2151 
2152 static struct pci_driver driver = {
2153         .name = KBUILD_MODNAME,
2154         .id_table = snd_riptide_ids,
2155         .probe = snd_card_riptide_probe,
2156         .remove = snd_card_riptide_remove,
2157         .driver = {
2158                 .pm = RIPTIDE_PM_OPS,
2159         },
2160 };
2161 
2162 #ifdef SUPPORT_JOYSTICK
2163 static struct pci_driver joystick_driver = {
2164         .name = KBUILD_MODNAME "-joystick",
2165         .id_table = snd_riptide_joystick_ids,
2166         .probe = snd_riptide_joystick_probe,
2167         .remove = snd_riptide_joystick_remove,
2168 };
2169 #endif
2170 
2171 static int __init alsa_card_riptide_init(void)
2172 {
2173         int err;
2174         err = pci_register_driver(&driver);
2175         if (err < 0)
2176                 return err;
2177 #if defined(SUPPORT_JOYSTICK)
2178         err = pci_register_driver(&joystick_driver);
2179         /* On failure unregister formerly registered audio driver */
2180         if (err < 0)
2181                 pci_unregister_driver(&driver);
2182 #endif
2183         return err;
2184 }
2185 
2186 static void __exit alsa_card_riptide_exit(void)
2187 {
2188         pci_unregister_driver(&driver);
2189 #if defined(SUPPORT_JOYSTICK)
2190         pci_unregister_driver(&joystick_driver);
2191 #endif
2192 }
2193 
2194 module_init(alsa_card_riptide_init);
2195 module_exit(alsa_card_riptide_exit);
2196 

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