[ALSA] Add snd-riptide driver for Conexant Riptide chip
[linux-2.6.git] / sound / pci / riptide / riptide.c
1 /*
2  *   Driver for the Conexant Riptide Soundchip
3  *
4  *      Copyright (c) 2004 Peter Gruber <nokos@gmx.net>
5  *
6  *   This program is free software; you can redistribute it and/or modify
7  *   it under the terms of the GNU General Public License as published by
8  *   the Free Software Foundation; either version 2 of the License, or
9  *   (at your option) any later version.
10  *
11  *   This program is distributed in the hope that it will be useful,
12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *   GNU General Public License for more details.
15  *
16  *   You should have received a copy of the GNU General Public License
17  *   along with this program; if not, write to the Free Software
18  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
19  *
20  */
21 /*
22   History:
23    - 02/15/2004 first release
24    
25   This Driver is based on the OSS Driver version from Linuxant (riptide-0.6lnxtbeta03111100)
26   credits from the original files:
27   
28   MODULE NAME:        cnxt_rt.h                       
29   AUTHOR:             K. Lazarev  (Transcribed by KNL)
30   HISTORY:         Major Revision               Date        By
31             -----------------------------     --------     -----
32             Created                           02/1/2000     KNL
33
34   MODULE NAME:     int_mdl.c                       
35   AUTHOR:          Konstantin Lazarev    (Transcribed by KNL)
36   HISTORY:         Major Revision               Date        By
37             -----------------------------     --------     -----
38             Created                           10/01/99      KNL
39             
40   MODULE NAME:        riptide.h                       
41   AUTHOR:             O. Druzhinin  (Transcribed by OLD)
42   HISTORY:         Major Revision               Date        By
43             -----------------------------     --------     -----
44             Created                           10/16/97      OLD
45
46   MODULE NAME:        Rp_Cmdif.cpp                       
47   AUTHOR:             O. Druzhinin  (Transcribed by OLD)
48                       K. Lazarev    (Transcribed by KNL)
49   HISTORY:         Major Revision               Date        By
50             -----------------------------     --------     -----
51             Adopted from NT4 driver            6/22/99      OLD
52             Ported to Linux                    9/01/99      KNL
53
54   MODULE NAME:        rt_hw.c                       
55   AUTHOR:             O. Druzhinin  (Transcribed by OLD)
56                       C. Lazarev    (Transcribed by CNL)
57   HISTORY:         Major Revision               Date        By
58             -----------------------------     --------     -----
59             Created                           11/18/97      OLD
60             Hardware functions for RipTide    11/24/97      CNL
61             (ES1) are coded
62             Hardware functions for RipTide    12/24/97      CNL
63             (A0) are coded
64             Hardware functions for RipTide    03/20/98      CNL
65             (A1) are coded
66             Boot loader is included           05/07/98      CNL
67             Redesigned for WDM                07/27/98      CNL
68             Redesigned for Linux              09/01/99      CNL
69
70   MODULE NAME:        rt_hw.h
71   AUTHOR:             C. Lazarev    (Transcribed by CNL)
72   HISTORY:         Major Revision               Date        By
73             -----------------------------     --------     -----
74             Created                           11/18/97      CNL
75
76   MODULE NAME:     rt_mdl.c                       
77   AUTHOR:          Konstantin Lazarev    (Transcribed by KNL)
78   HISTORY:         Major Revision               Date        By
79             -----------------------------     --------     -----
80             Created                           10/01/99      KNL
81
82   MODULE NAME:        mixer.h                        
83   AUTHOR:             K. Kenney
84   HISTORY:         Major Revision                   Date          By
85             -----------------------------          --------     -----
86             Created from MS W95 Sample             11/28/95      KRS
87             RipTide                                10/15/97      KRS
88             Adopted for Windows NT driver          01/20/98      CNL
89 */
90
91 #include <sound/driver.h>
92 #include <linux/delay.h>
93 #include <linux/init.h>
94 #include <linux/interrupt.h>
95 #include <linux/pci.h>
96 #include <linux/slab.h>
97 #include <linux/wait.h>
98 #include <linux/gameport.h>
99 #include <linux/device.h>
100 #include <linux/firmware.h>
101 #include <asm/io.h>
102 #include <sound/core.h>
103 #include <sound/info.h>
104 #include <sound/control.h>
105 #include <sound/pcm.h>
106 #include <sound/pcm_params.h>
107 #include <sound/ac97_codec.h>
108 #include <sound/mpu401.h>
109 #include <sound/opl3.h>
110 #include <sound/initval.h>
111
112 #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
113 #define SUPPORT_JOYSTICK 1
114 #endif
115
116 MODULE_AUTHOR("Peter Gruber <nokos@gmx.net>");
117 MODULE_DESCRIPTION("riptide");
118 MODULE_LICENSE("GPL");
119 MODULE_SUPPORTED_DEVICE("{{Conexant,Riptide}}");
120
121 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
122 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
123 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
124
125 #ifdef SUPPORT_JOYSTICK
126 static int joystick_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x200 };
127 #endif
128 static int mpu_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x330 };
129 static int opl3_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x388 };
130
131 module_param_array(index, int, NULL, 0444);
132 MODULE_PARM_DESC(index, "Index value for Riptide soundcard.");
133 module_param_array(id, charp, NULL, 0444);
134 MODULE_PARM_DESC(id, "ID string for Riptide soundcard.");
135 module_param_array(enable, bool, NULL, 0444);
136 MODULE_PARM_DESC(enable, "Enable Riptide soundcard.");
137 #ifdef SUPPORT_JOYSTICK
138 module_param_array(joystick_port, int, NULL, 0444);
139 MODULE_PARM_DESC(joystick_port, "Joystick port # for Riptide soundcard.");
140 #endif
141 module_param_array(mpu_port, int, NULL, 0444);
142 MODULE_PARM_DESC(mpu_port, "MPU401 port # for Riptide driver.");
143 module_param_array(opl3_port, int, NULL, 0444);
144 MODULE_PARM_DESC(opl3_port, "OPL3 port # for Riptide driver.");
145
146 /*
147  */
148
149 #define MPU401_HW_RIPTIDE MPU401_HW_MPU401
150 #define OPL3_HW_RIPTIDE   OPL3_HW_OPL3
151
152 #define PCI_EXT_CapId       0x40
153 #define PCI_EXT_NextCapPrt  0x41
154 #define PCI_EXT_PWMC        0x42
155 #define PCI_EXT_PWSCR       0x44
156 #define PCI_EXT_Data00      0x46
157 #define PCI_EXT_PMSCR_BSE   0x47
158 #define PCI_EXT_SB_Base     0x48
159 #define PCI_EXT_FM_Base     0x4a
160 #define PCI_EXT_MPU_Base    0x4C
161 #define PCI_EXT_Game_Base   0x4E
162 #define PCI_EXT_Legacy_Mask 0x50
163 #define PCI_EXT_AsicRev     0x52
164 #define PCI_EXT_Reserved3   0x53
165
166 #define LEGACY_ENABLE_ALL      0x8000   /* legacy device options */
167 #define LEGACY_ENABLE_SB       0x4000
168 #define LEGACY_ENABLE_FM       0x2000
169 #define LEGACY_ENABLE_MPU_INT  0x1000
170 #define LEGACY_ENABLE_MPU      0x0800
171 #define LEGACY_ENABLE_GAMEPORT 0x0400
172
173 #define MAX_WRITE_RETRY  10     /* cmd interface limits */
174 #define MAX_ERROR_COUNT  10
175 #define CMDIF_TIMEOUT    500000
176 #define RESET_TRIES      5
177
178 #define READ_PORT_ULONG(p)     inl((unsigned long)&(p))
179 #define WRITE_PORT_ULONG(p,x)  outl(x,(unsigned long)&(p))
180
181 #define READ_AUDIO_CONTROL(p)     READ_PORT_ULONG(p->audio_control)
182 #define WRITE_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,x)
183 #define UMASK_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)|x)
184 #define MASK_AUDIO_CONTROL(p,x)   WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)&x)
185 #define READ_AUDIO_STATUS(p)      READ_PORT_ULONG(p->audio_status)
186
187 #define SET_GRESET(p)     UMASK_AUDIO_CONTROL(p,0x0001) /* global reset switch */
188 #define UNSET_GRESET(p)   MASK_AUDIO_CONTROL(p,~0x0001)
189 #define SET_AIE(p)        UMASK_AUDIO_CONTROL(p,0x0004) /* interrupt enable */
190 #define UNSET_AIE(p)      MASK_AUDIO_CONTROL(p,~0x0004)
191 #define SET_AIACK(p)      UMASK_AUDIO_CONTROL(p,0x0008) /* interrupt acknowledge */
192 #define UNSET_AIACKT(p)   MASKAUDIO_CONTROL(p,~0x0008)
193 #define SET_ECMDAE(p)     UMASK_AUDIO_CONTROL(p,0x0010)
194 #define UNSET_ECMDAE(p)   MASK_AUDIO_CONTROL(p,~0x0010)
195 #define SET_ECMDBE(p)     UMASK_AUDIO_CONTROL(p,0x0020)
196 #define UNSET_ECMDBE(p)   MASK_AUDIO_CONTROL(p,~0x0020)
197 #define SET_EDATAF(p)     UMASK_AUDIO_CONTROL(p,0x0040)
198 #define UNSET_EDATAF(p)   MASK_AUDIO_CONTROL(p,~0x0040)
199 #define SET_EDATBF(p)     UMASK_AUDIO_CONTROL(p,0x0080)
200 #define UNSET_EDATBF(p)   MASK_AUDIO_CONTROL(p,~0x0080)
201 #define SET_ESBIRQON(p)   UMASK_AUDIO_CONTROL(p,0x0100)
202 #define UNSET_ESBIRQON(p) MASK_AUDIO_CONTROL(p,~0x0100)
203 #define SET_EMPUIRQ(p)    UMASK_AUDIO_CONTROL(p,0x0200)
204 #define UNSET_EMPUIRQ(p)  MASK_AUDIO_CONTROL(p,~0x0200)
205 #define IS_CMDE(a)        (READ_PORT_ULONG(a->stat)&0x1)        /* cmd empty */
206 #define IS_DATF(a)        (READ_PORT_ULONG(a->stat)&0x2)        /* data filled */
207 #define IS_READY(p)       (READ_AUDIO_STATUS(p)&0x0001)
208 #define IS_DLREADY(p)     (READ_AUDIO_STATUS(p)&0x0002)
209 #define IS_DLERR(p)       (READ_AUDIO_STATUS(p)&0x0004)
210 #define IS_GERR(p)        (READ_AUDIO_STATUS(p)&0x0008) /* error ! */
211 #define IS_CMDAEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0010)
212 #define IS_CMDBEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0020)
213 #define IS_DATAFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0040)
214 #define IS_DATBFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0080)
215 #define IS_EOBIRQ(p)      (READ_AUDIO_STATUS(p)&0x0100) /* interrupt status */
216 #define IS_EOSIRQ(p)      (READ_AUDIO_STATUS(p)&0x0200)
217 #define IS_EOCIRQ(p)      (READ_AUDIO_STATUS(p)&0x0400)
218 #define IS_UNSLIRQ(p)     (READ_AUDIO_STATUS(p)&0x0800)
219 #define IS_SBIRQ(p)       (READ_AUDIO_STATUS(p)&0x1000)
220 #define IS_MPUIRQ(p)      (READ_AUDIO_STATUS(p)&0x2000)
221
222 #define RESP 0x00000001         /* command flags */
223 #define PARM 0x00000002
224 #define CMDA 0x00000004
225 #define CMDB 0x00000008
226 #define NILL 0x00000000
227
228 #define LONG0(a)   ((u32)a)     /* shifts and masks */
229 #define BYTE0(a)   (LONG0(a)&0xff)
230 #define BYTE1(a)   (BYTE0(a)<<8)
231 #define BYTE2(a)   (BYTE0(a)<<16)
232 #define BYTE3(a)   (BYTE0(a)<<24)
233 #define WORD0(a)   (LONG0(a)&0xffff)
234 #define WORD1(a)   (WORD0(a)<<8)
235 #define WORD2(a)   (WORD0(a)<<16)
236 #define TRINIB0(a) (LONG0(a)&0xffffff)
237 #define TRINIB1(a) (TRINIB0(a)<<8)
238
239 #define RET(a)     ((union cmdret *)(a))
240
241 #define SEND_GETV(p,b)             sendcmd(p,RESP,GETV,0,RET(b))        /* get version */
242 #define SEND_GETC(p,b,c)           sendcmd(p,PARM|RESP,GETC,c,RET(b))
243 #define SEND_GUNS(p,b)             sendcmd(p,RESP,GUNS,0,RET(b))
244 #define SEND_SCID(p,b)             sendcmd(p,RESP,SCID,0,RET(b))
245 #define SEND_RMEM(p,b,c,d)         sendcmd(p,PARM|RESP,RMEM|BYTE1(b),LONG0(c),RET(d))   /* memory access for firmware write */
246 #define SEND_SMEM(p,b,c)           sendcmd(p,PARM,SMEM|BYTE1(b),LONG0(c),RET(0))        /* memory access for firmware write */
247 #define SEND_WMEM(p,b,c)           sendcmd(p,PARM,WMEM|BYTE1(b),LONG0(c),RET(0))        /* memory access for firmware write */
248 #define SEND_SDTM(p,b,c)           sendcmd(p,PARM|RESP,SDTM|TRINIB1(b),0,RET(c))        /* memory access for firmware write */
249 #define SEND_GOTO(p,b)             sendcmd(p,PARM,GOTO,LONG0(b),RET(0)) /* memory access for firmware write */
250 #define SEND_SETDPLL(p)            sendcmd(p,0,ARM_SETDPLL,0,RET(0))
251 #define SEND_SSTR(p,b,c)           sendcmd(p,PARM,SSTR|BYTE3(b),LONG0(c),RET(0))        /* start stream */
252 #define SEND_PSTR(p,b)             sendcmd(p,PARM,PSTR,BYTE3(b),RET(0)) /* pause stream */
253 #define SEND_KSTR(p,b)             sendcmd(p,PARM,KSTR,BYTE3(b),RET(0)) /* stop stream */
254 #define SEND_KDMA(p)               sendcmd(p,0,KDMA,0,RET(0))   /* stop all dma */
255 #define SEND_GPOS(p,b,c,d)         sendcmd(p,PARM|RESP,GPOS,BYTE3(c)|BYTE2(b),RET(d))   /* get position in dma */
256 #define SEND_SETF(p,b,c,d,e,f,g)   sendcmd(p,PARM,SETF|WORD1(b)|BYTE3(c),d|BYTE1(e)|BYTE2(f)|BYTE3(g),RET(0))   /* set sample format at mixer */
257 #define SEND_GSTS(p,b,c,d)         sendcmd(p,PARM|RESP,GSTS,BYTE3(c)|BYTE2(b),RET(d))
258 #define SEND_NGPOS(p,b,c,d)        sendcmd(p,PARM|RESP,NGPOS,BYTE3(c)|BYTE2(b),RET(d))
259 #define SEND_PSEL(p,b,c)           sendcmd(p,PARM,PSEL,BYTE2(b)|BYTE3(c),RET(0))        /* activate lbus path */
260 #define SEND_PCLR(p,b,c)           sendcmd(p,PARM,PCLR,BYTE2(b)|BYTE3(c),RET(0))        /* deactivate lbus path */
261 #define SEND_PLST(p,b)             sendcmd(p,PARM,PLST,BYTE3(b),RET(0))
262 #define SEND_RSSV(p,b,c,d)         sendcmd(p,PARM|RESP,RSSV,BYTE2(b)|BYTE3(c),RET(d))
263 #define SEND_LSEL(p,b,c,d,e,f,g,h) sendcmd(p,PARM,LSEL|BYTE1(b)|BYTE2(c)|BYTE3(d),BYTE0(e)|BYTE1(f)|BYTE2(g)|BYTE3(h),RET(0))   /* select paths for internal connections */
264 #define SEND_SSRC(p,b,c,d,e)       sendcmd(p,PARM,SSRC|BYTE1(b)|WORD2(c),WORD0(d)|WORD2(e),RET(0))      /* configure source */
265 #define SEND_SLST(p,b)             sendcmd(p,PARM,SLST,BYTE3(b),RET(0))
266 #define SEND_RSRC(p,b,c)           sendcmd(p,RESP,RSRC|BYTE1(b),0,RET(c))       /* read source config */
267 #define SEND_SSRB(p,b,c)           sendcmd(p,PARM,SSRB|BYTE1(b),WORD2(c),RET(0))
268 #define SEND_SDGV(p,b,c,d,e)       sendcmd(p,PARM,SDGV|BYTE2(b)|BYTE3(c),WORD0(d)|WORD2(e),RET(0))      /* set digital mixer */
269 #define SEND_RDGV(p,b,c,d)         sendcmd(p,PARM|RESP,RDGV|BYTE2(b)|BYTE3(c),0,RET(d)) /* read digital mixer */
270 #define SEND_DLST(p,b)             sendcmd(p,PARM,DLST,BYTE3(b),RET(0))
271 #define SEND_SACR(p,b,c)           sendcmd(p,PARM,SACR,WORD0(b)|WORD2(c),RET(0))        /* set AC97 register */
272 #define SEND_RACR(p,b,c)           sendcmd(p,PARM|RESP,RACR,WORD2(b),RET(c))    /* get AC97 register */
273 #define SEND_ALST(p,b)             sendcmd(p,PARM,ALST,BYTE3(b),RET(0))
274 #define SEND_TXAC(p,b,c,d,e,f)     sendcmd(p,PARM,TXAC|BYTE1(b)|WORD2(c),WORD0(d)|BYTE2(e)|BYTE3(f),RET(0))
275 #define SEND_RXAC(p,b,c,d)         sendcmd(p,PARM|RESP,RXAC,BYTE2(b)|BYTE3(c),RET(d))
276 #define SEND_SI2S(p,b)             sendcmd(p,PARM,SI2S,WORD2(b),RET(0))
277
278 #define EOB_STATUS         0x80000000   /* status flags : block boundary */
279 #define EOS_STATUS         0x40000000   /*              : stoppped */
280 #define EOC_STATUS         0x20000000   /*              : stream end */
281 #define ERR_STATUS         0x10000000
282 #define EMPTY_STATUS       0x08000000
283
284 #define IEOB_ENABLE        0x1  /* enable interrupts for status notification above */
285 #define IEOS_ENABLE        0x2
286 #define IEOC_ENABLE        0x4
287 #define RDONCE             0x8
288 #define DESC_MAX_MASK      0xff
289
290 #define ST_PLAY  0x1            /* stream states */
291 #define ST_STOP  0x2
292 #define ST_PAUSE 0x4
293
294 #define I2S_INTDEC     3        /* config for I2S link */
295 #define I2S_MERGER     0
296 #define I2S_SPLITTER   0
297 #define I2S_MIXER      7
298 #define I2S_RATE       44100
299
300 #define MODEM_INTDEC   4        /* config for modem link */
301 #define MODEM_MERGER   3
302 #define MODEM_SPLITTER 0
303 #define MODEM_MIXER    11
304
305 #define FM_INTDEC      3        /* config for FM/OPL3 link */
306 #define FM_MERGER      0
307 #define FM_SPLITTER    0
308 #define FM_MIXER       9
309
310 #define SPLIT_PATH  0x80        /* path splitting flag */
311
312 enum FIRMWARE {
313         DATA_REC = 0, EXT_END_OF_FILE, EXT_SEG_ADDR_REC, EXT_GOTO_CMD_REC,
314         EXT_LIN_ADDR_REC,
315 };
316
317 enum CMDS {
318         GETV = 0x00, GETC, GUNS, SCID, RMEM =
319             0x10, SMEM, WMEM, SDTM, GOTO, SSTR =
320             0x20, PSTR, KSTR, KDMA, GPOS, SETF, GSTS, NGPOS, PSEL =
321             0x30, PCLR, PLST, RSSV, LSEL, SSRC = 0x40, SLST, RSRC, SSRB, SDGV =
322             0x50, RDGV, DLST, SACR = 0x60, RACR, ALST, TXAC, RXAC, SI2S =
323             0x70, ARM_SETDPLL = 0x72,
324 };
325
326 enum E1SOURCE {
327         ARM2LBUS_FIFO0 = 0, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2, ARM2LBUS_FIFO3,
328         ARM2LBUS_FIFO4, ARM2LBUS_FIFO5, ARM2LBUS_FIFO6, ARM2LBUS_FIFO7,
329         ARM2LBUS_FIFO8, ARM2LBUS_FIFO9, ARM2LBUS_FIFO10, ARM2LBUS_FIFO11,
330         ARM2LBUS_FIFO12, ARM2LBUS_FIFO13, ARM2LBUS_FIFO14, ARM2LBUS_FIFO15,
331         INTER0_OUT, INTER1_OUT, INTER2_OUT, INTER3_OUT, INTER4_OUT,
332         INTERM0_OUT, INTERM1_OUT, INTERM2_OUT, INTERM3_OUT, INTERM4_OUT,
333         INTERM5_OUT, INTERM6_OUT, DECIMM0_OUT, DECIMM1_OUT, DECIMM2_OUT,
334         DECIMM3_OUT, DECIM0_OUT, SR3_4_OUT, OPL3_SAMPLE, ASRC0, ASRC1,
335         ACLNK2PADC, ACLNK2MODEM0RX, ACLNK2MIC, ACLNK2MODEM1RX, ACLNK2HNDMIC,
336         DIGITAL_MIXER_OUT0, GAINFUNC0_OUT, GAINFUNC1_OUT, GAINFUNC2_OUT,
337         GAINFUNC3_OUT, GAINFUNC4_OUT, SOFTMODEMTX, SPLITTER0_OUTL,
338         SPLITTER0_OUTR, SPLITTER1_OUTL, SPLITTER1_OUTR, SPLITTER2_OUTL,
339         SPLITTER2_OUTR, SPLITTER3_OUTL, SPLITTER3_OUTR, MERGER0_OUT,
340         MERGER1_OUT, MERGER2_OUT, MERGER3_OUT, ARM2LBUS_FIFO_DIRECT, NO_OUT
341 };
342
343 enum E2SINK {
344         LBUS2ARM_FIFO0 = 0, LBUS2ARM_FIFO1, LBUS2ARM_FIFO2, LBUS2ARM_FIFO3,
345         LBUS2ARM_FIFO4, LBUS2ARM_FIFO5, LBUS2ARM_FIFO6, LBUS2ARM_FIFO7,
346         INTER0_IN, INTER1_IN, INTER2_IN, INTER3_IN, INTER4_IN, INTERM0_IN,
347         INTERM1_IN, INTERM2_IN, INTERM3_IN, INTERM4_IN, INTERM5_IN, INTERM6_IN,
348         DECIMM0_IN, DECIMM1_IN, DECIMM2_IN, DECIMM3_IN, DECIM0_IN, SR3_4_IN,
349         PDAC2ACLNK, MODEM0TX2ACLNK, MODEM1TX2ACLNK, HNDSPK2ACLNK,
350         DIGITAL_MIXER_IN0, DIGITAL_MIXER_IN1, DIGITAL_MIXER_IN2,
351         DIGITAL_MIXER_IN3, DIGITAL_MIXER_IN4, DIGITAL_MIXER_IN5,
352         DIGITAL_MIXER_IN6, DIGITAL_MIXER_IN7, DIGITAL_MIXER_IN8,
353         DIGITAL_MIXER_IN9, DIGITAL_MIXER_IN10, DIGITAL_MIXER_IN11,
354         GAINFUNC0_IN, GAINFUNC1_IN, GAINFUNC2_IN, GAINFUNC3_IN, GAINFUNC4_IN,
355         SOFTMODEMRX, SPLITTER0_IN, SPLITTER1_IN, SPLITTER2_IN, SPLITTER3_IN,
356         MERGER0_INL, MERGER0_INR, MERGER1_INL, MERGER1_INR, MERGER2_INL,
357         MERGER2_INR, MERGER3_INL, MERGER3_INR, E2SINK_MAX
358 };
359
360 enum LBUS_SINK {
361         LS_SRC_INTERPOLATOR = 0, LS_SRC_INTERPOLATORM, LS_SRC_DECIMATOR,
362         LS_SRC_DECIMATORM, LS_MIXER_IN, LS_MIXER_GAIN_FUNCTION,
363         LS_SRC_SPLITTER, LS_SRC_MERGER, LS_NONE1, LS_NONE2,
364 };
365
366 enum RT_CHANNEL_IDS {
367         M0TX = 0, M1TX, TAMTX, HSSPKR, PDAC, DSNDTX0, DSNDTX1, DSNDTX2,
368         DSNDTX3, DSNDTX4, DSNDTX5, DSNDTX6, DSNDTX7, WVSTRTX, COP3DTX, SPARE,
369         M0RX, HSMIC, M1RX, CLEANRX, MICADC, PADC, COPRX1, COPRX2,
370         CHANNEL_ID_COUNTER
371 };
372
373 enum { SB_CMD = 0, MODEM_CMD, I2S_CMD0, I2S_CMD1, FM_CMD, MAX_CMD };
374
375 struct lbuspath {
376         unsigned char *noconv;
377         unsigned char *stereo;
378         unsigned char *mono;
379 };
380
381 struct cmdport {
382         u32 data1;              /* cmd,param */
383         u32 data2;              /* param */
384         u32 stat;               /* status */
385         u32 pad[5];
386 };
387
388 struct riptideport {
389         u32 audio_control;      /* status registers */
390         u32 audio_status;
391         u32 pad[2];
392         struct cmdport port[2]; /* command ports */
393 };
394
395 struct cmdif {
396         struct riptideport *hwport;
397         spinlock_t lock;
398         unsigned int cmdcnt;    /* cmd statistics */
399         unsigned int cmdtime;
400         unsigned int cmdtimemax;
401         unsigned int cmdtimemin;
402         unsigned int errcnt;
403         int is_reset;
404 };
405
406 struct riptide_firmware {
407         u16 ASIC;
408         u16 CODEC;
409         u16 AUXDSP;
410         u16 PROG;
411 };
412
413 union cmdret {
414         u8 retbytes[8];
415         u16 retwords[4];
416         u32 retlongs[2];
417 };
418
419 union firmware_version {
420         union cmdret ret;
421         struct riptide_firmware firmware;
422 };
423
424 #define get_pcmhwdev(substream) (struct pcmhw *)(substream->runtime->private_data)
425
426 #define PLAYBACK_SUBSTREAMS 3
427 struct snd_riptide {
428         struct snd_card *card;
429         struct pci_dev *pci;
430         const struct firmware *fw_entry;
431
432         struct cmdif *cif;
433
434         struct snd_pcm *pcm;
435         struct snd_pcm *pcm_i2s;
436         struct snd_rawmidi *rmidi;
437         struct snd_opl3 *opl3;
438         struct snd_ac97 *ac97;
439         struct snd_ac97_bus *ac97_bus;
440
441         struct snd_pcm_substream *playback_substream[PLAYBACK_SUBSTREAMS];
442         struct snd_pcm_substream *capture_substream;
443
444         int openstreams;
445
446         int irq;
447         unsigned long port;
448         unsigned short mpuaddr;
449         unsigned short opladdr;
450 #ifdef SUPPORT_JOYSTICK
451         unsigned short gameaddr;
452 #endif
453         struct resource *res_port;
454
455         unsigned short device_id;
456
457         union firmware_version firmware;
458
459         spinlock_t lock;
460         struct tasklet_struct riptide_tq;
461         struct snd_info_entry *proc_entry;
462
463         unsigned long received_irqs;
464         unsigned long handled_irqs;
465 #ifdef CONFIG_PM
466         int in_suspend;
467 #endif
468 };
469
470 struct sgd {                    /* scatter gather desriptor */
471         u32 dwNextLink;
472         u32 dwSegPtrPhys;
473         u32 dwSegLen;
474         u32 dwStat_Ctl;
475 };
476
477 struct pcmhw {                  /* pcm descriptor */
478         struct lbuspath paths;
479         unsigned char *lbuspath;
480         unsigned char source;
481         unsigned char intdec[2];
482         unsigned char mixer;
483         unsigned char id;
484         unsigned char state;
485         unsigned int rate;
486         unsigned int channels;
487         snd_pcm_format_t format;
488         struct snd_dma_buffer sgdlist;
489         struct sgd *sgdbuf;
490         unsigned int size;
491         unsigned int pages;
492         unsigned int oldpos;
493         unsigned int pointer;
494 };
495
496 #define CMDRET_ZERO (union cmdret){{(u32)0, (u32) 0}}
497
498 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
499                    union cmdret *ret);
500 static int getsourcesink(struct cmdif *cif, unsigned char source,
501                          unsigned char sink, unsigned char *a,
502                          unsigned char *b);
503 static int snd_riptide_initialize(struct snd_riptide *chip);
504 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip);
505
506 /*
507  */
508
509 static struct pci_device_id snd_riptide_ids[] = {
510         {
511          .vendor = 0x127a,.device = 0x4310,
512          .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
513          },
514         {
515          .vendor = 0x127a,.device = 0x4320,
516          .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
517          },
518         {
519          .vendor = 0x127a,.device = 0x4330,
520          .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
521          },
522         {
523          .vendor = 0x127a,.device = 0x4340,
524          .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
525          },
526         {0,},
527 };
528
529 #ifdef SUPPORT_JOYSTICK
530 static struct pci_device_id snd_riptide_joystick_ids[] = {
531         {
532          .vendor = 0x127a,.device = 0x4312,
533          .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
534          },
535         {
536          .vendor = 0x127a,.device = 0x4322,
537          .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
538          },
539         {.vendor = 0x127a,.device = 0x4332,
540          .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
541          },
542         {.vendor = 0x127a,.device = 0x4342,
543          .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
544          },
545         {0,},
546 };
547 #endif
548
549 MODULE_DEVICE_TABLE(pci, snd_riptide_ids);
550
551 /*
552  */
553
554 static unsigned char lbusin2out[E2SINK_MAX + 1][2] = {
555         {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
556                                                                      LS_NONE2},
557         {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
558                                                                      LS_NONE2},
559         {INTER0_OUT, LS_SRC_INTERPOLATOR}, {INTER1_OUT, LS_SRC_INTERPOLATOR},
560         {INTER2_OUT, LS_SRC_INTERPOLATOR}, {INTER3_OUT, LS_SRC_INTERPOLATOR},
561         {INTER4_OUT, LS_SRC_INTERPOLATOR}, {INTERM0_OUT, LS_SRC_INTERPOLATORM},
562         {INTERM1_OUT, LS_SRC_INTERPOLATORM}, {INTERM2_OUT,
563                                               LS_SRC_INTERPOLATORM},
564         {INTERM3_OUT, LS_SRC_INTERPOLATORM}, {INTERM4_OUT,
565                                               LS_SRC_INTERPOLATORM},
566         {INTERM5_OUT, LS_SRC_INTERPOLATORM}, {INTERM6_OUT,
567                                               LS_SRC_INTERPOLATORM},
568         {DECIMM0_OUT, LS_SRC_DECIMATORM}, {DECIMM1_OUT, LS_SRC_DECIMATORM},
569         {DECIMM2_OUT, LS_SRC_DECIMATORM}, {DECIMM3_OUT, LS_SRC_DECIMATORM},
570         {DECIM0_OUT, LS_SRC_DECIMATOR}, {SR3_4_OUT, LS_NONE1}, {NO_OUT,
571                                                                 LS_NONE2},
572         {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1},
573         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
574         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
575         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
576         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
577         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
578         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
579         {GAINFUNC0_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC1_OUT,
580                                                   LS_MIXER_GAIN_FUNCTION},
581         {GAINFUNC2_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC3_OUT,
582                                                   LS_MIXER_GAIN_FUNCTION},
583         {GAINFUNC4_OUT, LS_MIXER_GAIN_FUNCTION}, {SOFTMODEMTX, LS_NONE1},
584         {SPLITTER0_OUTL, LS_SRC_SPLITTER}, {SPLITTER1_OUTL, LS_SRC_SPLITTER},
585         {SPLITTER2_OUTL, LS_SRC_SPLITTER}, {SPLITTER3_OUTL, LS_SRC_SPLITTER},
586         {MERGER0_OUT, LS_SRC_MERGER}, {MERGER0_OUT, LS_SRC_MERGER},
587         {MERGER1_OUT, LS_SRC_MERGER},
588         {MERGER1_OUT, LS_SRC_MERGER}, {MERGER2_OUT, LS_SRC_MERGER},
589         {MERGER2_OUT, LS_SRC_MERGER},
590         {MERGER3_OUT, LS_SRC_MERGER}, {MERGER3_OUT, LS_SRC_MERGER}, {NO_OUT,
591                                                                      LS_NONE2},
592 };
593
594 static unsigned char lbus_play_opl3[] = {
595         DIGITAL_MIXER_IN0 + FM_MIXER, 0xff
596 };
597 static unsigned char lbus_play_modem[] = {
598         DIGITAL_MIXER_IN0 + MODEM_MIXER, 0xff
599 };
600 static unsigned char lbus_play_i2s[] = {
601         INTER0_IN + I2S_INTDEC, DIGITAL_MIXER_IN0 + I2S_MIXER, 0xff
602 };
603 static unsigned char lbus_play_out[] = {
604         PDAC2ACLNK, 0xff
605 };
606 static unsigned char lbus_play_outhp[] = {
607         HNDSPK2ACLNK, 0xff
608 };
609 static unsigned char lbus_play_noconv1[] = {
610         DIGITAL_MIXER_IN0, 0xff
611 };
612 static unsigned char lbus_play_stereo1[] = {
613         INTER0_IN, DIGITAL_MIXER_IN0, 0xff
614 };
615 static unsigned char lbus_play_mono1[] = {
616         INTERM0_IN, DIGITAL_MIXER_IN0, 0xff
617 };
618 static unsigned char lbus_play_noconv2[] = {
619         DIGITAL_MIXER_IN1, 0xff
620 };
621 static unsigned char lbus_play_stereo2[] = {
622         INTER1_IN, DIGITAL_MIXER_IN1, 0xff
623 };
624 static unsigned char lbus_play_mono2[] = {
625         INTERM1_IN, DIGITAL_MIXER_IN1, 0xff
626 };
627 static unsigned char lbus_play_noconv3[] = {
628         DIGITAL_MIXER_IN2, 0xff
629 };
630 static unsigned char lbus_play_stereo3[] = {
631         INTER2_IN, DIGITAL_MIXER_IN2, 0xff
632 };
633 static unsigned char lbus_play_mono3[] = {
634         INTERM2_IN, DIGITAL_MIXER_IN2, 0xff
635 };
636 static unsigned char lbus_rec_noconv1[] = {
637         LBUS2ARM_FIFO5, 0xff
638 };
639 static unsigned char lbus_rec_stereo1[] = {
640         DECIM0_IN, LBUS2ARM_FIFO5, 0xff
641 };
642 static unsigned char lbus_rec_mono1[] = {
643         DECIMM3_IN, LBUS2ARM_FIFO5, 0xff
644 };
645
646 static unsigned char play_ids[] = { 4, 1, 2, };
647 static unsigned char play_sources[] = {
648         ARM2LBUS_FIFO4, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2,
649 };
650 static struct lbuspath lbus_play_paths[] = {
651         {
652          .noconv = lbus_play_noconv1,
653          .stereo = lbus_play_stereo1,
654          .mono = lbus_play_mono1,
655          },
656         {
657          .noconv = lbus_play_noconv2,
658          .stereo = lbus_play_stereo2,
659          .mono = lbus_play_mono2,
660          },
661         {
662          .noconv = lbus_play_noconv3,
663          .stereo = lbus_play_stereo3,
664          .mono = lbus_play_mono3,
665          },
666 };
667 static struct lbuspath lbus_rec_path = {
668         .noconv = lbus_rec_noconv1,
669         .stereo = lbus_rec_stereo1,
670         .mono = lbus_rec_mono1,
671 };
672
673 #define FIRMWARE_VERSIONS 1
674 static union firmware_version firmware_versions[] = {
675         {
676          .firmware.ASIC = 3,.firmware.CODEC = 2,
677          .firmware.AUXDSP = 3,.firmware.PROG = 773,
678          },
679 };
680
681 static u32 atoh(unsigned char *in, unsigned int len)
682 {
683         u32 sum = 0;
684         unsigned int mult = 1;
685         unsigned char c;
686
687         while (len) {
688                 c = in[len - 1];
689                 if ((c >= '0') && (c <= '9'))
690                         sum += mult * (c - '0');
691                 else if ((c >= 'A') && (c <= 'F'))
692                         sum += mult * (c - ('A' - 10));
693                 else if ((c >= 'a') && (c <= 'f'))
694                         sum += mult * (c - ('a' - 10));
695                 mult *= 16;
696                 --len;
697         }
698         return sum;
699 }
700
701 static int senddata(struct cmdif *cif, unsigned char *in, u32 offset)
702 {
703         u32 addr;
704         u32 data;
705         u32 i;
706         unsigned char *p;
707
708         i = atoh(&in[1], 2);
709         addr = offset + atoh(&in[3], 4);
710         if (SEND_SMEM(cif, 0, addr) != 0)
711                 return -EACCES;
712         p = in + 9;
713         while (i) {
714                 data = atoh(p, 8);
715                 if (SEND_WMEM(cif, 2,
716                               ((data & 0x0f0f0f0f) << 4) | ((data & 0xf0f0f0f0)
717                                                             >> 4)))
718                         return -EACCES;
719                 i -= 4;
720                 p += 8;
721         }
722         return 0;
723 }
724
725 static int loadfirmware(struct cmdif *cif, unsigned char *img,
726                         unsigned int size)
727 {
728         unsigned char *in;
729         u32 laddr, saddr, t, val;
730         int err = 0;
731
732         laddr = saddr = 0;
733         while (size > 0 && err == 0) {
734                 in = img;
735                 if (in[0] == ':') {
736                         t = atoh(&in[7], 2);
737                         switch (t) {
738                         case DATA_REC:
739                                 err = senddata(cif, in, laddr + saddr);
740                                 break;
741                         case EXT_SEG_ADDR_REC:
742                                 saddr = atoh(&in[9], 4) << 4;
743                                 break;
744                         case EXT_LIN_ADDR_REC:
745                                 laddr = atoh(&in[9], 4) << 16;
746                                 break;
747                         case EXT_GOTO_CMD_REC:
748                                 val = atoh(&in[9], 8);
749                                 if (SEND_GOTO(cif, val) != 0)
750                                         err = -EACCES;
751                                 break;
752                         case EXT_END_OF_FILE:
753                                 size = 0;
754                                 break;
755                         default:
756                                 break;
757                         }
758                         while (size > 0) {
759                                 size--;
760                                 if (*img++ == '\n')
761                                         break;
762                         }
763                 }
764         }
765         snd_printdd("load firmware return %d\n", err);
766         return err;
767 }
768
769 static void
770 alloclbuspath(struct cmdif *cif, unsigned char source,
771               unsigned char *path, unsigned char *mixer, unsigned char *s)
772 {
773         while (*path != 0xff) {
774                 unsigned char sink, type;
775
776                 sink = *path & (~SPLIT_PATH);
777                 if (sink != E2SINK_MAX) {
778                         snd_printdd("alloc path 0x%x->0x%x\n", source, sink);
779                         SEND_PSEL(cif, source, sink);
780                         source = lbusin2out[sink][0];
781                         type = lbusin2out[sink][1];
782                         if (type == LS_MIXER_IN) {
783                                 if (mixer)
784                                         *mixer = sink - DIGITAL_MIXER_IN0;
785                         }
786                         if (type == LS_SRC_DECIMATORM ||
787                             type == LS_SRC_DECIMATOR ||
788                             type == LS_SRC_INTERPOLATORM ||
789                             type == LS_SRC_INTERPOLATOR) {
790                                 if (s) {
791                                         if (s[0] != 0xff)
792                                                 s[1] = sink;
793                                         else
794                                                 s[0] = sink;
795                                 }
796                         }
797                 }
798                 if (*path++ & SPLIT_PATH) {
799                         unsigned char *npath = path;
800
801                         while (*npath != 0xff)
802                                 npath++;
803                         alloclbuspath(cif, source + 1, ++npath, mixer, s);
804                 }
805         }
806 }
807
808 static void
809 freelbuspath(struct cmdif *cif, unsigned char source, unsigned char *path)
810 {
811         while (*path != 0xff) {
812                 unsigned char sink;
813
814                 sink = *path & (~SPLIT_PATH);
815                 if (sink != E2SINK_MAX) {
816                         snd_printdd("free path 0x%x->0x%x\n", source, sink);
817                         SEND_PCLR(cif, source, sink);
818                         source = lbusin2out[sink][0];
819                 }
820                 if (*path++ & SPLIT_PATH) {
821                         unsigned char *npath = path;
822
823                         while (*npath != 0xff)
824                                 npath++;
825                         freelbuspath(cif, source + 1, ++npath);
826                 }
827         }
828 }
829
830 static int writearm(struct cmdif *cif, u32 addr, u32 data, u32 mask)
831 {
832         union cmdret rptr = CMDRET_ZERO;
833         unsigned int i = MAX_WRITE_RETRY;
834         int flag = 1;
835
836         SEND_RMEM(cif, 0x02, addr, &rptr);
837         rptr.retlongs[0] &= (~mask);
838
839         while (--i) {
840                 SEND_SMEM(cif, 0x01, addr);
841                 SEND_WMEM(cif, 0x02, (rptr.retlongs[0] | data));
842                 SEND_RMEM(cif, 0x02, addr, &rptr);
843                 if ((rptr.retlongs[0] & data) == data) {
844                         flag = 0;
845                         break;
846                 } else
847                         rptr.retlongs[0] &= ~mask;
848         }
849         snd_printdd("send arm 0x%x 0x%x 0x%x return %d\n", addr, data, mask,
850                     flag);
851         return flag;
852 }
853
854 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
855                    union cmdret *ret)
856 {
857         int i, j;
858         int err;
859         unsigned int time = 0;
860         unsigned long irqflags;
861         struct riptideport *hwport;
862         struct cmdport *cmdport = NULL;
863
864         snd_assert(cif, return -EINVAL);
865
866         hwport = cif->hwport;
867         if (cif->errcnt > MAX_ERROR_COUNT) {
868                 if (cif->is_reset) {
869                         snd_printk(KERN_ERR
870                                    "Riptide: Too many failed cmds, reinitializing\n");
871                         if (riptide_reset(cif, NULL) == 0) {
872                                 cif->errcnt = 0;
873                                 return -EIO;
874                         }
875                 }
876                 snd_printk(KERN_ERR "Riptide: Initialization failed.\n");
877                 return -EINVAL;
878         }
879         if (ret) {
880                 ret->retlongs[0] = 0;
881                 ret->retlongs[1] = 0;
882         }
883         i = 0;
884         spin_lock_irqsave(&cif->lock, irqflags);
885         while (i++ < CMDIF_TIMEOUT && !IS_READY(cif->hwport))
886                 udelay(10);
887         if (i >= CMDIF_TIMEOUT) {
888                 err = -EBUSY;
889                 goto errout;
890         }
891
892         err = 0;
893         for (j = 0, time = 0; time < CMDIF_TIMEOUT; j++, time += 2) {
894                 cmdport = &(hwport->port[j % 2]);
895                 if (IS_DATF(cmdport)) { /* free pending data */
896                         READ_PORT_ULONG(cmdport->data1);
897                         READ_PORT_ULONG(cmdport->data2);
898                 }
899                 if (IS_CMDE(cmdport)) {
900                         if (flags & PARM)       /* put data */
901                                 WRITE_PORT_ULONG(cmdport->data2, parm);
902                         WRITE_PORT_ULONG(cmdport->data1, cmd);  /* write cmd */
903                         if ((flags & RESP) && ret) {
904                                 while (!IS_DATF(cmdport) &&
905                                        time++ < CMDIF_TIMEOUT)
906                                         udelay(10);
907                                 if (time < CMDIF_TIMEOUT) {     /* read response */
908                                         ret->retlongs[0] =
909                                             READ_PORT_ULONG(cmdport->data1);
910                                         ret->retlongs[1] =
911                                             READ_PORT_ULONG(cmdport->data2);
912                                 } else {
913                                         err = -ENOSYS;
914                                         goto errout;
915                                 }
916                         }
917                         break;
918                 }
919                 udelay(20);
920         }
921         if (time == CMDIF_TIMEOUT) {
922                 err = -ENODATA;
923                 goto errout;
924         }
925         spin_unlock_irqrestore(&cif->lock, irqflags);
926
927         cif->cmdcnt++;          /* update command statistics */
928         cif->cmdtime += time;
929         if (time > cif->cmdtimemax)
930                 cif->cmdtimemax = time;
931         if (time < cif->cmdtimemin)
932                 cif->cmdtimemin = time;
933         if ((cif->cmdcnt) % 1000 == 0)
934                 snd_printdd
935                     ("send cmd %d time: %d mintime: %d maxtime %d err: %d\n",
936                      cif->cmdcnt, cif->cmdtime, cif->cmdtimemin,
937                      cif->cmdtimemax, cif->errcnt);
938         return 0;
939
940       errout:
941         cif->errcnt++;
942         spin_unlock_irqrestore(&cif->lock, irqflags);
943         snd_printdd
944             ("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",
945              cif->cmdcnt, (int)((void *)&(cmdport->stat) - (void *)hwport),
946              flags, cmd, parm, ret ? ret->retlongs[0] : 0,
947              ret ? ret->retlongs[1] : 0, IS_CMDE(cmdport), IS_DATF(cmdport),
948              err);
949         return err;
950 }
951
952 static int
953 setmixer(struct cmdif *cif, short num, unsigned short rval, unsigned short lval)
954 {
955         union cmdret rptr = CMDRET_ZERO;
956         int i = 0;
957
958         snd_printdd("sent mixer %d: 0x%d 0x%d\n", num, rval, lval);
959         do {
960                 SEND_SDGV(cif, num, num, rval, lval);
961                 SEND_RDGV(cif, num, num, &rptr);
962                 if (rptr.retwords[0] == lval && rptr.retwords[1] == rval)
963                         return 0;
964         } while (i++ < MAX_WRITE_RETRY);
965         snd_printdd("sent mixer failed\n");
966         return -EIO;
967 }
968
969 static int getpaths(struct cmdif *cif, unsigned char *o)
970 {
971         unsigned char src[E2SINK_MAX];
972         unsigned char sink[E2SINK_MAX];
973         int i, j = 0;
974
975         for (i = 0; i < E2SINK_MAX; i++) {
976                 getsourcesink(cif, i, i, &src[i], &sink[i]);
977                 if (sink[i] < E2SINK_MAX) {
978                         o[j++] = sink[i];
979                         o[j++] = i;
980                 }
981         }
982         return j;
983 }
984
985 static int
986 getsourcesink(struct cmdif *cif, unsigned char source, unsigned char sink,
987               unsigned char *a, unsigned char *b)
988 {
989         union cmdret rptr = CMDRET_ZERO;
990
991         if (SEND_RSSV(cif, source, sink, &rptr) &&
992             SEND_RSSV(cif, source, sink, &rptr))
993                 return -EIO;
994         *a = rptr.retbytes[0];
995         *b = rptr.retbytes[1];
996         snd_printdd("getsourcesink 0x%x 0x%x\n", *a, *b);
997         return 0;
998 }
999
1000 static int
1001 getsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int *rate)
1002 {
1003         unsigned char *s;
1004         unsigned int p[2] = { 0, 0 };
1005         int i;
1006         union cmdret rptr = CMDRET_ZERO;
1007
1008         s = intdec;
1009         for (i = 0; i < 2; i++) {
1010                 if (*s != 0xff) {
1011                         if (SEND_RSRC(cif, *s, &rptr) &&
1012                             SEND_RSRC(cif, *s, &rptr))
1013                                 return -EIO;
1014                         p[i] += rptr.retwords[1];
1015                         p[i] *= rptr.retwords[2];
1016                         p[i] += rptr.retwords[3];
1017                         p[i] /= 65536;
1018                 }
1019                 s++;
1020         }
1021         if (p[0]) {
1022                 if (p[1] != p[0])
1023                         snd_printdd("rates differ %d %d\n", p[0], p[1]);
1024                 *rate = (unsigned int)p[0];
1025         } else
1026                 *rate = (unsigned int)p[1];
1027         snd_printdd("getsampleformat %d %d %d\n", intdec[0], intdec[1], *rate);
1028         return 0;
1029 }
1030
1031 static int
1032 setsampleformat(struct cmdif *cif,
1033                 unsigned char mixer, unsigned char id,
1034                 unsigned char channels, unsigned char format)
1035 {
1036         unsigned char w, ch, sig, order;
1037
1038         snd_printdd
1039             ("setsampleformat mixer: %d id: %d channels: %d format: %d\n",
1040              mixer, id, channels, format);
1041         ch = channels == 1;
1042         w = snd_pcm_format_width(format) == 8;
1043         sig = snd_pcm_format_unsigned(format) != 0;
1044         order = snd_pcm_format_big_endian(format) != 0;
1045
1046         if (SEND_SETF(cif, mixer, w, ch, order, sig, id) &&
1047             SEND_SETF(cif, mixer, w, ch, order, sig, id)) {
1048                 snd_printdd("setsampleformat failed\n");
1049                 return -EIO;
1050         }
1051         return 0;
1052 }
1053
1054 static int
1055 setsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int rate)
1056 {
1057         u32 D, M, N;
1058         union cmdret rptr = CMDRET_ZERO;
1059         int i;
1060
1061         snd_printdd("setsamplerate intdec: %d,%d rate: %d\n", intdec[0],
1062                     intdec[1], rate);
1063         D = 48000;
1064         M = ((rate == 48000) ? 47999 : rate) * 65536;
1065         N = M % D;
1066         M /= D;
1067         for (i = 0; i < 2; i++) {
1068                 if (*intdec != 0xff) {
1069                         do {
1070                                 SEND_SSRC(cif, *intdec, D, M, N);
1071                                 SEND_RSRC(cif, *intdec, &rptr);
1072                         } while (rptr.retwords[1] != D &&
1073                                  rptr.retwords[2] != M &&
1074                                  rptr.retwords[3] != N &&
1075                                  i++ < MAX_WRITE_RETRY);
1076                         if (i == MAX_WRITE_RETRY) {
1077                                 snd_printdd("sent samplerate %d: %d failed\n",
1078                                             *intdec, rate);
1079                                 return -EIO;
1080                         }
1081                 }
1082                 intdec++;
1083         }
1084         return 0;
1085 }
1086
1087 static int
1088 getmixer(struct cmdif *cif, short num, unsigned short *rval,
1089          unsigned short *lval)
1090 {
1091         union cmdret rptr = CMDRET_ZERO;
1092
1093         if (SEND_RDGV(cif, num, num, &rptr) && SEND_RDGV(cif, num, num, &rptr))
1094                 return -EIO;
1095         *rval = rptr.retwords[0];
1096         *lval = rptr.retwords[1];
1097         snd_printdd("got mixer %d: 0x%d 0x%d\n", num, *rval, *lval);
1098         return 0;
1099 }
1100
1101 static void riptide_handleirq(unsigned long dev_id)
1102 {
1103         struct snd_riptide *chip = (void *)dev_id;
1104         struct cmdif *cif = chip->cif;
1105         struct snd_pcm_substream *substream[PLAYBACK_SUBSTREAMS + 1];
1106         struct snd_pcm_runtime *runtime;
1107         struct pcmhw *data = NULL;
1108         unsigned int pos, period_bytes;
1109         struct sgd *c;
1110         int i, j;
1111         unsigned int flag;
1112
1113         if (!cif)
1114                 return;
1115
1116         for (i = 0; i < PLAYBACK_SUBSTREAMS; i++)
1117                 substream[i] = chip->playback_substream[i];
1118         substream[i] = chip->capture_substream;
1119         for (i = 0; i < PLAYBACK_SUBSTREAMS + 1; i++) {
1120                 if (substream[i] &&
1121                     (runtime = substream[i]->runtime) &&
1122                     (data = runtime->private_data) && data->state != ST_STOP) {
1123                         pos = 0;
1124                         for (j = 0; j < data->pages; j++) {
1125                                 c = &data->sgdbuf[j];
1126                                 flag = le32_to_cpu(c->dwStat_Ctl);
1127                                 if (flag & EOB_STATUS)
1128                                         pos += le32_to_cpu(c->dwSegLen);
1129                                 if (flag & EOC_STATUS)
1130                                         pos += le32_to_cpu(c->dwSegLen);
1131                                 if ((flag & EOS_STATUS)
1132                                     && (data->state == ST_PLAY)) {
1133                                         data->state = ST_STOP;
1134                                         snd_printk(KERN_ERR
1135                                                    "Riptide: DMA stopped unexpectedly\n");
1136                                 }
1137                                 c->dwStat_Ctl =
1138                                     cpu_to_le32(flag &
1139                                                 ~(EOS_STATUS | EOB_STATUS |
1140                                                   EOC_STATUS));
1141                         }
1142                         data->pointer += pos;
1143                         pos += data->oldpos;
1144                         if (data->state != ST_STOP) {
1145                                 period_bytes =
1146                                     frames_to_bytes(runtime,
1147                                                     runtime->period_size);
1148                                 snd_printdd
1149                                     ("interrupt 0x%x after 0x%lx of 0x%lx frames in period\n",
1150                                      READ_AUDIO_STATUS(cif->hwport),
1151                                      bytes_to_frames(runtime, pos),
1152                                      runtime->period_size);
1153                                 j = 0;
1154                                 if (pos >= period_bytes) {
1155                                         j++;
1156                                         while (pos >= period_bytes)
1157                                                 pos -= period_bytes;
1158                                 }
1159                                 data->oldpos = pos;
1160                                 if (j > 0)
1161                                         snd_pcm_period_elapsed(substream[i]);
1162                         }
1163                 }
1164         }
1165 }
1166
1167 #ifdef CONFIG_PM
1168 static int riptide_suspend(struct pci_dev *pci, pm_message_t state)
1169 {
1170         struct snd_card *card = pci_get_drvdata(pci);
1171         struct snd_riptide *chip = card->private_data;
1172
1173         chip->in_suspend = 1;
1174         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1175         snd_pcm_suspend_all(chip->pcm);
1176         snd_ac97_suspend(chip->ac97);
1177         pci_set_power_state(pci, PCI_D3hot);
1178         pci_disable_device(pci);
1179         pci_save_state(pci);
1180         return 0;
1181 }
1182
1183 static int riptide_resume(struct pci_dev *pci)
1184 {
1185         struct snd_card *card = pci_get_drvdata(pci);
1186         struct snd_riptide *chip = card->private_data;
1187
1188         pci_restore_state(pci);
1189         pci_enable_device(pci);
1190         pci_set_power_state(pci, PCI_D0);
1191         pci_set_master(pci);
1192         snd_riptide_initialize(chip);
1193         snd_ac97_resume(chip->ac97);
1194         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1195         chip->in_suspend = 0;
1196         return 0;
1197 }
1198 #endif
1199
1200 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip)
1201 {
1202         int timeout, tries;
1203         union cmdret rptr = CMDRET_ZERO;
1204         union firmware_version firmware;
1205         int i, j, err, has_firmware;
1206
1207         if (!cif)
1208                 return -EINVAL;
1209
1210         cif->cmdcnt = 0;
1211         cif->cmdtime = 0;
1212         cif->cmdtimemax = 0;
1213         cif->cmdtimemin = 0xffffffff;
1214         cif->errcnt = 0;
1215         cif->is_reset = 0;
1216
1217         tries = RESET_TRIES;
1218         has_firmware = 0;
1219         while (has_firmware == 0 && tries-- > 0) {
1220                 for (i = 0; i < 2; i++) {
1221                         WRITE_PORT_ULONG(cif->hwport->port[i].data1, 0);
1222                         WRITE_PORT_ULONG(cif->hwport->port[i].data2, 0);
1223                 }
1224                 SET_GRESET(cif->hwport);
1225                 udelay(100);
1226                 UNSET_GRESET(cif->hwport);
1227                 udelay(100);
1228
1229                 for (timeout = 100000; --timeout; udelay(10)) {
1230                         if (IS_READY(cif->hwport) && !IS_GERR(cif->hwport))
1231                                 break;
1232                 }
1233                 if (timeout == 0) {
1234                         snd_printk(KERN_ERR
1235                                    "Riptide: device not ready, audio status: 0x%x ready: %d gerr: %d\n",
1236                                    READ_AUDIO_STATUS(cif->hwport),
1237                                    IS_READY(cif->hwport), IS_GERR(cif->hwport));
1238                         return -EIO;
1239                 } else {
1240                         snd_printdd
1241                             ("Riptide: audio status: 0x%x ready: %d gerr: %d\n",
1242                              READ_AUDIO_STATUS(cif->hwport),
1243                              IS_READY(cif->hwport), IS_GERR(cif->hwport));
1244                 }
1245
1246                 SEND_GETV(cif, &rptr);
1247                 for (i = 0; i < 4; i++)
1248                         firmware.ret.retwords[i] = rptr.retwords[i];
1249
1250                 snd_printdd
1251                     ("Firmware version: ASIC: %d CODEC %d AUXDSP %d PROG %d\n",
1252                      firmware.firmware.ASIC, firmware.firmware.CODEC,
1253                      firmware.firmware.AUXDSP, firmware.firmware.PROG);
1254
1255                 for (j = 0; j < FIRMWARE_VERSIONS; j++) {
1256                         has_firmware = 1;
1257                         for (i = 0; i < 4; i++) {
1258                                 if (firmware_versions[j].ret.retwords[i] !=
1259                                     firmware.ret.retwords[i])
1260                                         has_firmware = 0;
1261                         }
1262                         if (has_firmware)
1263                                 break;
1264                 }
1265
1266                 if (chip != NULL && has_firmware == 0) {
1267                         snd_printdd("Writing Firmware\n");
1268                         if (!chip->fw_entry) {
1269                                 if ((err =
1270                                      request_firmware(&chip->fw_entry,
1271                                                       "riptide.hex",
1272                                                       &chip->pci->dev)) != 0) {
1273                                         snd_printk(KERN_ERR
1274                                                    "Riptide: Firmware not available %d\n",
1275                                                    err);
1276                                         return -EIO;
1277                                 }
1278                         }
1279                         err = loadfirmware(cif, chip->fw_entry->data,
1280                                            chip->fw_entry->size);
1281                         if (err)
1282                                 snd_printk(KERN_ERR
1283                                            "Riptide: Could not load firmware %d\n",
1284                                            err);
1285                 }
1286         }
1287
1288         SEND_SACR(cif, 0, AC97_RESET);
1289         SEND_RACR(cif, AC97_RESET, &rptr);
1290         snd_printdd("AC97: 0x%x 0x%x\n", rptr.retlongs[0], rptr.retlongs[1]);
1291
1292         SEND_PLST(cif, 0);
1293         SEND_SLST(cif, 0);
1294         SEND_DLST(cif, 0);
1295         SEND_ALST(cif, 0);
1296         SEND_KDMA(cif);
1297
1298         writearm(cif, 0x301F8, 1, 1);
1299         writearm(cif, 0x301F4, 1, 1);
1300
1301         SEND_LSEL(cif, MODEM_CMD, 0, 0, MODEM_INTDEC, MODEM_MERGER,
1302                   MODEM_SPLITTER, MODEM_MIXER);
1303         setmixer(cif, MODEM_MIXER, 0x7fff, 0x7fff);
1304         alloclbuspath(cif, ARM2LBUS_FIFO13, lbus_play_modem, NULL, NULL);
1305
1306         SEND_LSEL(cif, FM_CMD, 0, 0, FM_INTDEC, FM_MERGER, FM_SPLITTER,
1307                   FM_MIXER);
1308         setmixer(cif, FM_MIXER, 0x7fff, 0x7fff);
1309         writearm(cif, 0x30648 + FM_MIXER * 4, 0x01, 0x00000005);
1310         writearm(cif, 0x301A8, 0x02, 0x00000002);
1311         writearm(cif, 0x30264, 0x08, 0xffffffff);
1312         alloclbuspath(cif, OPL3_SAMPLE, lbus_play_opl3, NULL, NULL);
1313
1314         SEND_SSRC(cif, I2S_INTDEC, 48000,
1315                   ((u32) I2S_RATE * 65536) / 48000,
1316                   ((u32) I2S_RATE * 65536) % 48000);
1317         SEND_LSEL(cif, I2S_CMD0, 0, 0, I2S_INTDEC, I2S_MERGER, I2S_SPLITTER,
1318                   I2S_MIXER);
1319         SEND_SI2S(cif, 1);
1320         alloclbuspath(cif, ARM2LBUS_FIFO0, lbus_play_i2s, NULL, NULL);
1321         alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_out, NULL, NULL);
1322         alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_outhp, NULL, NULL);
1323
1324         SET_AIACK(cif->hwport);
1325         SET_AIE(cif->hwport);
1326         SET_AIACK(cif->hwport);
1327         cif->is_reset = 1;
1328         if (chip) {
1329                 for (i = 0; i < 4; i++)
1330                         chip->firmware.ret.retwords[i] =
1331                             firmware.ret.retwords[i];
1332         }
1333
1334         return 0;
1335 }
1336
1337 static struct snd_pcm_hardware snd_riptide_playback = {
1338         .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1339                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1340                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1341         .formats =
1342             SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1343             | SNDRV_PCM_FMTBIT_U16_LE,
1344         .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1345         .rate_min = 5500,
1346         .rate_max = 48000,
1347         .channels_min = 1,
1348         .channels_max = 2,
1349         .buffer_bytes_max = (64 * 1024),
1350         .period_bytes_min = PAGE_SIZE >> 1,
1351         .period_bytes_max = PAGE_SIZE << 8,
1352         .periods_min = 2,
1353         .periods_max = 64,
1354         .fifo_size = 0,
1355 };
1356 static struct snd_pcm_hardware snd_riptide_capture = {
1357         .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1358                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1359                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1360         .formats =
1361             SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1362             | SNDRV_PCM_FMTBIT_U16_LE,
1363         .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1364         .rate_min = 5500,
1365         .rate_max = 48000,
1366         .channels_min = 1,
1367         .channels_max = 2,
1368         .buffer_bytes_max = (64 * 1024),
1369         .period_bytes_min = PAGE_SIZE >> 1,
1370         .period_bytes_max = PAGE_SIZE << 3,
1371         .periods_min = 2,
1372         .periods_max = 64,
1373         .fifo_size = 0,
1374 };
1375
1376 static snd_pcm_uframes_t snd_riptide_pointer(struct snd_pcm_substream
1377                                              *substream)
1378 {
1379         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1380         struct snd_pcm_runtime *runtime = substream->runtime;
1381         struct pcmhw *data = get_pcmhwdev(substream);
1382         struct cmdif *cif = chip->cif;
1383         union cmdret rptr = CMDRET_ZERO;
1384         snd_pcm_uframes_t ret;
1385
1386         SEND_GPOS(cif, 0, data->id, &rptr);
1387         if (data->size && runtime->period_size) {
1388                 snd_printdd
1389                     ("pointer stream %d position 0x%x(0x%x in buffer) bytes 0x%lx(0x%lx in period) frames\n",
1390                      data->id, rptr.retlongs[1], rptr.retlongs[1] % data->size,
1391                      bytes_to_frames(runtime, rptr.retlongs[1]),
1392                      bytes_to_frames(runtime,
1393                                      rptr.retlongs[1]) % runtime->period_size);
1394                 if (rptr.retlongs[1] > data->pointer)
1395                         ret =
1396                             bytes_to_frames(runtime,
1397                                             rptr.retlongs[1] % data->size);
1398                 else
1399                         ret =
1400                             bytes_to_frames(runtime,
1401                                             data->pointer % data->size);
1402         } else {
1403                 snd_printdd("stream not started or strange parms (%d %ld)\n",
1404                             data->size, runtime->period_size);
1405                 ret = bytes_to_frames(runtime, 0);
1406         }
1407         return ret;
1408 }
1409
1410 static int snd_riptide_trigger(struct snd_pcm_substream *substream, int cmd)
1411 {
1412         int i, j;
1413         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1414         struct pcmhw *data = get_pcmhwdev(substream);
1415         struct cmdif *cif = chip->cif;
1416         union cmdret rptr = CMDRET_ZERO;
1417
1418         spin_lock(&chip->lock);
1419         switch (cmd) {
1420         case SNDRV_PCM_TRIGGER_START:
1421         case SNDRV_PCM_TRIGGER_RESUME:
1422                 if (!(data->state & ST_PLAY)) {
1423                         SEND_SSTR(cif, data->id, data->sgdlist.addr);
1424                         SET_AIE(cif->hwport);
1425                         data->state = ST_PLAY;
1426                         if (data->mixer != 0xff)
1427                                 setmixer(cif, data->mixer, 0x7fff, 0x7fff);
1428                         chip->openstreams++;
1429                         data->oldpos = 0;
1430                         data->pointer = 0;
1431                 }
1432                 break;
1433         case SNDRV_PCM_TRIGGER_STOP:
1434         case SNDRV_PCM_TRIGGER_SUSPEND:
1435                 if (data->mixer != 0xff)
1436                         setmixer(cif, data->mixer, 0, 0);
1437                 setmixer(cif, data->mixer, 0, 0);
1438                 SEND_KSTR(cif, data->id);
1439                 data->state = ST_STOP;
1440                 chip->openstreams--;
1441                 j = 0;
1442                 do {
1443                         i = rptr.retlongs[1];
1444                         SEND_GPOS(cif, 0, data->id, &rptr);
1445                         udelay(1);
1446                 } while (i != rptr.retlongs[1] && j++ < MAX_WRITE_RETRY);
1447                 if (j >= MAX_WRITE_RETRY)
1448                         snd_printk(KERN_ERR "Riptide: Could not stop stream!");
1449                 break;
1450         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1451                 if (!(data->state & ST_PAUSE)) {
1452                         SEND_PSTR(cif, data->id);
1453                         data->state |= ST_PAUSE;
1454                         chip->openstreams--;
1455                 }
1456                 break;
1457         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1458                 if (data->state & ST_PAUSE) {
1459                         SEND_SSTR(cif, data->id, data->sgdlist.addr);
1460                         data->state &= ~ST_PAUSE;
1461                         chip->openstreams++;
1462                 }
1463                 break;
1464         default:
1465                 spin_unlock(&chip->lock);
1466                 return -EINVAL;
1467         }
1468         spin_unlock(&chip->lock);
1469         return 0;
1470 }
1471
1472 static int snd_riptide_prepare(struct snd_pcm_substream *substream)
1473 {
1474         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1475         struct snd_pcm_runtime *runtime = substream->runtime;
1476         struct snd_sg_buf *sgbuf = snd_pcm_substream_sgbuf(substream);
1477         struct pcmhw *data = get_pcmhwdev(substream);
1478         struct cmdif *cif = chip->cif;
1479         unsigned char *lbuspath = NULL;
1480         unsigned int rate, channels;
1481         int err = 0;
1482         snd_pcm_format_t format;
1483
1484         snd_assert(cif && data, return -EINVAL);
1485
1486         snd_printdd("prepare id %d ch: %d f:0x%x r:%d\n", data->id,
1487                     runtime->channels, runtime->format, runtime->rate);
1488
1489         spin_lock_irq(&chip->lock);
1490         channels = runtime->channels;
1491         format = runtime->format;
1492         rate = runtime->rate;
1493         switch (channels) {
1494         case 1:
1495                 if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1496                         lbuspath = data->paths.noconv;
1497                 else
1498                         lbuspath = data->paths.mono;
1499                 break;
1500         case 2:
1501                 if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1502                         lbuspath = data->paths.noconv;
1503                 else
1504                         lbuspath = data->paths.stereo;
1505                 break;
1506         }
1507         snd_printdd("use sgdlist at 0x%p and buffer at 0x%p\n",
1508                     data->sgdlist.area, sgbuf);
1509         if (data->sgdlist.area && sgbuf) {
1510                 unsigned int i, j, size, pages, f, pt, period;
1511                 struct sgd *c, *p = NULL;
1512
1513                 size = frames_to_bytes(runtime, runtime->buffer_size);
1514                 period = frames_to_bytes(runtime, runtime->period_size);
1515                 f = PAGE_SIZE;
1516                 while ((size + (f >> 1) - 1) <= (f << 7) && (f << 1) > period)
1517                         f = f >> 1;
1518                 pages = (size + f - 1) / f;
1519                 data->size = size;
1520                 data->pages = pages;
1521                 snd_printdd
1522                     ("create sgd size: 0x%x pages %d of size 0x%x for period 0x%x\n",
1523                      size, pages, f, period);
1524                 pt = 0;
1525                 j = 0;
1526                 for (i = 0; i < pages; i++) {
1527                         c = &data->sgdbuf[i];
1528                         if (p)
1529                                 p->dwNextLink = cpu_to_le32(data->sgdlist.addr +
1530                                                             (i *
1531                                                              sizeof(struct
1532                                                                     sgd)));
1533                         c->dwNextLink = cpu_to_le32(data->sgdlist.addr);
1534                         c->dwSegPtrPhys =
1535                             cpu_to_le32(sgbuf->table[j].addr + pt);
1536                         pt = (pt + f) % PAGE_SIZE;
1537                         if (pt == 0)
1538                                 j++;
1539                         c->dwSegLen = cpu_to_le32(f);
1540                         c->dwStat_Ctl =
1541                             cpu_to_le32(IEOB_ENABLE | IEOS_ENABLE |
1542                                         IEOC_ENABLE);
1543                         p = c;
1544                         size -= f;
1545                 }
1546                 data->sgdbuf[i].dwSegLen = cpu_to_le32(size);
1547         }
1548         if (lbuspath && lbuspath != data->lbuspath) {
1549                 if (data->lbuspath)
1550                         freelbuspath(cif, data->source, data->lbuspath);
1551                 alloclbuspath(cif, data->source, lbuspath,
1552                               &data->mixer, data->intdec);
1553                 data->lbuspath = lbuspath;
1554                 data->rate = 0;
1555         }
1556         if (data->rate != rate || data->format != format ||
1557             data->channels != channels) {
1558                 data->rate = rate;
1559                 data->format = format;
1560                 data->channels = channels;
1561                 if (setsampleformat
1562                     (cif, data->mixer, data->id, channels, format)
1563                     || setsamplerate(cif, data->intdec, rate))
1564                         err = -EIO;
1565         }
1566         spin_unlock_irq(&chip->lock);
1567         return err;
1568 }
1569
1570 static int
1571 snd_riptide_hw_params(struct snd_pcm_substream *substream,
1572                       struct snd_pcm_hw_params *hw_params)
1573 {
1574         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1575         struct pcmhw *data = get_pcmhwdev(substream);
1576         struct snd_dma_buffer *sgdlist = &data->sgdlist;
1577         int err;
1578
1579         snd_printdd("hw params id %d (sgdlist: 0x%p 0x%lx %d)\n", data->id,
1580                     sgdlist->area, (unsigned long)sgdlist->addr,
1581                     (int)sgdlist->bytes);
1582         if (sgdlist->area)
1583                 snd_dma_free_pages(sgdlist);
1584         if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
1585                                        snd_dma_pci_data(chip->pci),
1586                                        sizeof(struct sgd) * (DESC_MAX_MASK + 1),
1587                                        sgdlist)) < 0) {
1588                 snd_printk(KERN_ERR "Riptide: failed to alloc %d dma bytes\n",
1589                            (int)sizeof(struct sgd) * (DESC_MAX_MASK + 1));
1590                 return err;
1591         }
1592         data->sgdbuf = (struct sgd *)sgdlist->area;
1593         return snd_pcm_lib_malloc_pages(substream,
1594                                         params_buffer_bytes(hw_params));
1595 }
1596
1597 static int snd_riptide_hw_free(struct snd_pcm_substream *substream)
1598 {
1599         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1600         struct pcmhw *data = get_pcmhwdev(substream);
1601         struct cmdif *cif = chip->cif;
1602
1603         if (cif && data) {
1604                 if (data->lbuspath)
1605                         freelbuspath(cif, data->source, data->lbuspath);
1606                 data->lbuspath = NULL;
1607                 data->source = 0xff;
1608                 data->intdec[0] = 0xff;
1609                 data->intdec[1] = 0xff;
1610
1611                 if (data->sgdlist.area) {
1612                         snd_dma_free_pages(&data->sgdlist);
1613                         data->sgdlist.area = NULL;
1614                 }
1615         }
1616         return snd_pcm_lib_free_pages(substream);
1617 }
1618
1619 static int snd_riptide_playback_open(struct snd_pcm_substream *substream)
1620 {
1621         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1622         struct snd_pcm_runtime *runtime = substream->runtime;
1623         struct pcmhw *data;
1624         int index = substream->number;
1625
1626         chip->playback_substream[index] = substream;
1627         runtime->hw = snd_riptide_playback;
1628         data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1629         data->paths = lbus_play_paths[index];
1630         data->id = play_ids[index];
1631         data->source = play_sources[index];
1632         data->intdec[0] = 0xff;
1633         data->intdec[1] = 0xff;
1634         data->state = ST_STOP;
1635         runtime->private_data = data;
1636         return snd_pcm_hw_constraint_integer(runtime,
1637                                              SNDRV_PCM_HW_PARAM_PERIODS);
1638 }
1639
1640 static int snd_riptide_capture_open(struct snd_pcm_substream *substream)
1641 {
1642         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1643         struct snd_pcm_runtime *runtime = substream->runtime;
1644         struct pcmhw *data;
1645
1646         chip->capture_substream = substream;
1647         runtime->hw = snd_riptide_capture;
1648         data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1649         data->paths = lbus_rec_path;
1650         data->id = PADC;
1651         data->source = ACLNK2PADC;
1652         data->intdec[0] = 0xff;
1653         data->intdec[1] = 0xff;
1654         data->state = ST_STOP;
1655         runtime->private_data = data;
1656         return snd_pcm_hw_constraint_integer(runtime,
1657                                              SNDRV_PCM_HW_PARAM_PERIODS);
1658 }
1659
1660 static int snd_riptide_playback_close(struct snd_pcm_substream *substream)
1661 {
1662         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1663         struct pcmhw *data = get_pcmhwdev(substream);
1664         int index = substream->number;
1665
1666         substream->runtime->private_data = NULL;
1667         chip->playback_substream[index] = NULL;
1668         kfree(data);
1669         return 0;
1670 }
1671
1672 static int snd_riptide_capture_close(struct snd_pcm_substream *substream)
1673 {
1674         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1675         struct pcmhw *data = get_pcmhwdev(substream);
1676
1677         substream->runtime->private_data = NULL;
1678         chip->capture_substream = NULL;
1679         kfree(data);
1680         return 0;
1681 }
1682
1683 static struct snd_pcm_ops snd_riptide_playback_ops = {
1684         .open = snd_riptide_playback_open,
1685         .close = snd_riptide_playback_close,
1686         .ioctl = snd_pcm_lib_ioctl,
1687         .hw_params = snd_riptide_hw_params,
1688         .hw_free = snd_riptide_hw_free,
1689         .prepare = snd_riptide_prepare,
1690         .page = snd_pcm_sgbuf_ops_page,
1691         .trigger = snd_riptide_trigger,
1692         .pointer = snd_riptide_pointer,
1693 };
1694 static struct snd_pcm_ops snd_riptide_capture_ops = {
1695         .open = snd_riptide_capture_open,
1696         .close = snd_riptide_capture_close,
1697         .ioctl = snd_pcm_lib_ioctl,
1698         .hw_params = snd_riptide_hw_params,
1699         .hw_free = snd_riptide_hw_free,
1700         .prepare = snd_riptide_prepare,
1701         .page = snd_pcm_sgbuf_ops_page,
1702         .trigger = snd_riptide_trigger,
1703         .pointer = snd_riptide_pointer,
1704 };
1705
1706 static int __devinit
1707 snd_riptide_pcm(struct snd_riptide *chip, int device, struct snd_pcm **rpcm)
1708 {
1709         struct snd_pcm *pcm;
1710         int err;
1711
1712         if (rpcm)
1713                 *rpcm = NULL;
1714         if ((err =
1715              snd_pcm_new(chip->card, "RIPTIDE", device, PLAYBACK_SUBSTREAMS, 1,
1716                          &pcm)) < 0)
1717                 return err;
1718         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1719                         &snd_riptide_playback_ops);
1720         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1721                         &snd_riptide_capture_ops);
1722         pcm->private_data = chip;
1723         pcm->info_flags = 0;
1724         strcpy(pcm->name, "RIPTIDE");
1725         chip->pcm = pcm;
1726         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1727                                               snd_dma_pci_data(chip->pci),
1728                                               64 * 1024, 128 * 1024);
1729         if (rpcm)
1730                 *rpcm = pcm;
1731         return 0;
1732 }
1733
1734 static irqreturn_t
1735 snd_riptide_interrupt(int irq, void *dev_id, struct pt_regs *regs)
1736 {
1737         struct snd_riptide *chip = dev_id;
1738         struct cmdif *cif = chip->cif;
1739
1740         if (cif) {
1741                 chip->received_irqs++;
1742                 if (IS_EOBIRQ(cif->hwport) || IS_EOSIRQ(cif->hwport) ||
1743                     IS_EOCIRQ(cif->hwport)) {
1744                         chip->handled_irqs++;
1745                         tasklet_hi_schedule(&chip->riptide_tq);
1746                 }
1747                 if (chip->rmidi && IS_MPUIRQ(cif->hwport)) {
1748                         chip->handled_irqs++;
1749                         snd_mpu401_uart_interrupt(irq,
1750                                                   chip->rmidi->private_data,
1751                                                   regs);
1752                 }
1753                 SET_AIACK(cif->hwport);
1754         }
1755         return IRQ_HANDLED;
1756 }
1757
1758 static void
1759 snd_riptide_codec_write(struct snd_ac97 *ac97, unsigned short reg,
1760                         unsigned short val)
1761 {
1762         struct snd_riptide *chip = ac97->private_data;
1763         struct cmdif *cif = chip->cif;
1764         union cmdret rptr = CMDRET_ZERO;
1765         int i = 0;
1766
1767         snd_assert(cif, return);
1768
1769         snd_printdd("Write AC97 reg 0x%x 0x%x\n", reg, val);
1770         do {
1771                 SEND_SACR(cif, val, reg);
1772                 SEND_RACR(cif, reg, &rptr);
1773         } while (rptr.retwords[1] != val && i++ < MAX_WRITE_RETRY);
1774         if (i == MAX_WRITE_RETRY)
1775                 snd_printdd("Write AC97 reg failed\n");
1776 }
1777
1778 static unsigned short snd_riptide_codec_read(struct snd_ac97 *ac97,
1779                                              unsigned short reg)
1780 {
1781         struct snd_riptide *chip = ac97->private_data;
1782         struct cmdif *cif = chip->cif;
1783         union cmdret rptr = CMDRET_ZERO;
1784
1785         snd_assert(cif, return 0);
1786
1787         if (SEND_RACR(cif, reg, &rptr) != 0)
1788                 SEND_RACR(cif, reg, &rptr);
1789         snd_printdd("Read AC97 reg 0x%x got 0x%x\n", reg, rptr.retwords[1]);
1790         return rptr.retwords[1];
1791 }
1792
1793 static int snd_riptide_initialize(struct snd_riptide *chip)
1794 {
1795         struct cmdif *cif;
1796         unsigned int device_id;
1797         int err;
1798
1799         snd_assert(chip, return -EINVAL);
1800
1801         cif = chip->cif;
1802         if (!cif) {
1803                 if ((cif = kzalloc(sizeof(struct cmdif), GFP_KERNEL)) == NULL)
1804                         return -ENOMEM;
1805                 cif->hwport = (struct riptideport *)chip->port;
1806                 spin_lock_init(&cif->lock);
1807                 chip->cif = cif;
1808         }
1809         cif->is_reset = 0;
1810         if ((err = riptide_reset(cif, chip)) != 0)
1811                 return err;
1812         device_id = chip->device_id;
1813         switch (device_id) {
1814         case 0x4310:
1815         case 0x4320:
1816         case 0x4330:
1817                 snd_printdd("Modem enable?\n");
1818                 SEND_SETDPLL(cif);
1819                 break;
1820         }
1821         snd_printdd("Enabling MPU IRQs\n");
1822         if (chip->rmidi)
1823                 SET_EMPUIRQ(cif->hwport);
1824         return err;
1825 }
1826
1827 static int snd_riptide_free(struct snd_riptide *chip)
1828 {
1829         struct cmdif *cif;
1830
1831         snd_assert(chip, return 0);
1832
1833         if ((cif = chip->cif)) {
1834                 SET_GRESET(cif->hwport);
1835                 udelay(100);
1836                 UNSET_GRESET(cif->hwport);
1837                 kfree(chip->cif);
1838         }
1839         if (chip->fw_entry)
1840                 release_firmware(chip->fw_entry);
1841         if (chip->res_port) {
1842                 release_resource(chip->res_port);
1843                 kfree_nocheck(chip->res_port);
1844         }
1845         if (chip->irq >= 0)
1846                 free_irq(chip->irq, chip);
1847         kfree(chip);
1848         return 0;
1849 }
1850
1851 static int snd_riptide_dev_free(struct snd_device *device)
1852 {
1853         struct snd_riptide *chip = device->device_data;
1854
1855         return snd_riptide_free(chip);
1856 }
1857
1858 static int __devinit
1859 snd_riptide_create(struct snd_card *card, struct pci_dev *pci,
1860                    struct snd_riptide **rchip)
1861 {
1862         struct snd_riptide *chip;
1863         struct riptideport *hwport;
1864         int err;
1865         static struct snd_device_ops ops = {
1866                 .dev_free = snd_riptide_dev_free,
1867         };
1868
1869         *rchip = NULL;
1870         if ((err = pci_enable_device(pci)) < 0)
1871                 return err;
1872         if (!(chip = kzalloc(sizeof(struct snd_riptide), GFP_KERNEL)))
1873                 return -ENOMEM;
1874
1875         spin_lock_init(&chip->lock);
1876         chip->card = card;
1877         chip->pci = pci;
1878         chip->irq = -1;
1879         chip->openstreams = 0;
1880         chip->port = pci_resource_start(pci, 0);
1881         chip->received_irqs = 0;
1882         chip->handled_irqs = 0;
1883         chip->cif = NULL;
1884         tasklet_init(&chip->riptide_tq, riptide_handleirq, (unsigned long)chip);
1885
1886         if ((chip->res_port =
1887              request_region(chip->port, 64, "RIPTIDE")) == NULL) {
1888                 snd_printk(KERN_ERR
1889                            "Riptide: unable to grab region 0x%lx-0x%lx\n",
1890                            chip->port, chip->port + 64 - 1);
1891                 snd_riptide_free(chip);
1892                 return -EBUSY;
1893         }
1894         hwport = (struct riptideport *)chip->port;
1895         UNSET_AIE(hwport);
1896
1897         if (request_irq
1898             (pci->irq, snd_riptide_interrupt, SA_INTERRUPT | SA_SHIRQ,
1899              "RIPTIDE", chip)) {
1900                 snd_printk(KERN_ERR "Riptide: unable to grab IRQ %d\n",
1901                            pci->irq);
1902                 snd_riptide_free(chip);
1903                 return -EBUSY;
1904         }
1905         chip->irq = pci->irq;
1906         chip->device_id = pci->device;
1907         pci_set_master(pci);
1908         if ((err = snd_riptide_initialize(chip)) < 0) {
1909                 snd_riptide_free(chip);
1910                 return err;
1911         }
1912
1913         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1914                 snd_riptide_free(chip);
1915                 return err;
1916         }
1917
1918         *rchip = chip;
1919         return 0;
1920 }
1921
1922 static void
1923 snd_riptide_proc_read(struct snd_info_entry *entry,
1924                       struct snd_info_buffer *buffer)
1925 {
1926         struct snd_riptide *chip = entry->private_data;
1927         struct pcmhw *data;
1928         int i;
1929         struct cmdif *cif = NULL;
1930         unsigned char p[256];
1931         unsigned short rval = 0, lval = 0;
1932         unsigned int rate;
1933
1934         if (!chip)
1935                 return;
1936
1937         snd_iprintf(buffer, "%s\n\n", chip->card->longname);
1938         snd_iprintf(buffer, "Device ID: 0x%x\nReceived IRQs: (%ld)%ld\nPorts:",
1939                     chip->device_id, chip->handled_irqs, chip->received_irqs);
1940         for (i = 0; i < 64; i += 4)
1941                 snd_iprintf(buffer, "%c%02x: %08x",
1942                             (i % 16) ? ' ' : '\n', i, inl(chip->port + i));
1943         if ((cif = chip->cif)) {
1944                 snd_iprintf(buffer,
1945                             "\nVersion: ASIC: %d CODEC: %d AUXDSP: %d PROG: %d",
1946                             chip->firmware.firmware.ASIC,
1947                             chip->firmware.firmware.CODEC,
1948                             chip->firmware.firmware.AUXDSP,
1949                             chip->firmware.firmware.PROG);
1950                 snd_iprintf(buffer, "\nDigital mixer:");
1951                 for (i = 0; i < 12; i++) {
1952                         getmixer(cif, i, &rval, &lval);
1953                         snd_iprintf(buffer, "\n %d: %d %d", i, rval, lval);
1954                 }
1955                 snd_iprintf(buffer,
1956                             "\nARM Commands num: %d failed: %d time: %d max: %d min: %d",
1957                             cif->cmdcnt, cif->errcnt,
1958                             cif->cmdtime, cif->cmdtimemax, cif->cmdtimemin);
1959         }
1960         snd_iprintf(buffer, "\nOpen streams %d:\n", chip->openstreams);
1961         for (i = 0; i < PLAYBACK_SUBSTREAMS; i++) {
1962                 if (chip->playback_substream[i]
1963                     && chip->playback_substream[i]->runtime
1964                     && (data =
1965                         chip->playback_substream[i]->runtime->private_data)) {
1966                         snd_iprintf(buffer,
1967                                     "stream: %d mixer: %d source: %d (%d,%d)\n",
1968                                     data->id, data->mixer, data->source,
1969                                     data->intdec[0], data->intdec[1]);
1970                         if (!(getsamplerate(cif, data->intdec, &rate)))
1971                                 snd_iprintf(buffer, "rate: %d\n", rate);
1972                 }
1973         }
1974         if (chip->capture_substream
1975             && chip->capture_substream->runtime
1976             && (data = chip->capture_substream->runtime->private_data)) {
1977                 snd_iprintf(buffer,
1978                             "stream: %d mixer: %d source: %d (%d,%d)\n",
1979                             data->id, data->mixer,
1980                             data->source, data->intdec[0], data->intdec[1]);
1981                 if (!(getsamplerate(cif, data->intdec, &rate)))
1982                         snd_iprintf(buffer, "rate: %d\n", rate);
1983         }
1984         snd_iprintf(buffer, "Paths:\n");
1985         i = getpaths(cif, p);
1986         while (i--) {
1987                 snd_iprintf(buffer, "%x->%x ", p[i - 1], p[i]);
1988                 i--;
1989         }
1990         snd_iprintf(buffer, "\n");
1991 }
1992
1993 static void __devinit snd_riptide_proc_init(struct snd_riptide *chip)
1994 {
1995         struct snd_info_entry *entry;
1996
1997         if (!snd_card_proc_new(chip->card, "riptide", &entry))
1998                 snd_info_set_text_ops(entry, chip, 4096, snd_riptide_proc_read);
1999 }
2000
2001 static int __devinit snd_riptide_mixer(struct snd_riptide *chip)
2002 {
2003         struct snd_ac97_bus *pbus;
2004         struct snd_ac97_template ac97;
2005         int err = 0;
2006         static struct snd_ac97_bus_ops ops = {
2007                 .write = snd_riptide_codec_write,
2008                 .read = snd_riptide_codec_read,
2009         };
2010
2011         memset(&ac97, 0, sizeof(ac97));
2012         ac97.private_data = chip;
2013         ac97.scaps = AC97_SCAP_SKIP_MODEM;
2014
2015         if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0)
2016                 return err;
2017
2018         chip->ac97_bus = pbus;
2019         ac97.pci = chip->pci;
2020         if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97)) < 0)
2021                 return err;
2022         return err;
2023 }
2024
2025 #ifdef SUPPORT_JOYSTICK
2026 static int have_joystick;
2027 static struct pci_dev *riptide_gameport_pci;
2028 static struct gameport *riptide_gameport;
2029
2030 static int __devinit
2031 snd_riptide_joystick_probe(struct pci_dev *pci, const struct pci_device_id *id)
2032 {
2033         static int dev;
2034
2035         if (dev >= SNDRV_CARDS)
2036                 return -ENODEV;
2037         if (!enable[dev]) {
2038                 dev++;
2039                 return -ENOENT;
2040         }
2041
2042         if (joystick_port[dev]) {
2043                 riptide_gameport = gameport_allocate_port();
2044                 if (riptide_gameport) {
2045                         if (!request_region
2046                             (joystick_port[dev], 8, "Riptide gameport")) {
2047                                 snd_printk(KERN_WARNING
2048                                            "Riptide: cannot grab gameport 0x%x\n",
2049                                            joystick_port[dev]);
2050                                 gameport_free_port(riptide_gameport);
2051                                 riptide_gameport = NULL;
2052                         } else {
2053                                 riptide_gameport_pci = pci;
2054                                 riptide_gameport->io = joystick_port[dev];
2055                                 gameport_register_port(riptide_gameport);
2056                         }
2057                 }
2058         }
2059         dev++;
2060         return 0;
2061 }
2062
2063 static void __devexit snd_riptide_joystick_remove(struct pci_dev *pci)
2064 {
2065         if (riptide_gameport) {
2066                 if (riptide_gameport_pci == pci) {
2067                         release_region(riptide_gameport->io, 8);
2068                         riptide_gameport_pci = NULL;
2069                         gameport_unregister_port(riptide_gameport);
2070                         riptide_gameport = NULL;
2071                 }
2072         }
2073 }
2074 #endif
2075
2076 static int __devinit
2077 snd_card_riptide_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2078 {
2079         static int dev;
2080         struct snd_card *card;
2081         struct snd_riptide *chip;
2082         unsigned short addr;
2083         int err = 0;
2084
2085         if (dev >= SNDRV_CARDS)
2086                 return -ENODEV;
2087         if (!enable[dev]) {
2088                 dev++;
2089                 return -ENOENT;
2090         }
2091
2092         card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2093         if (card == NULL)
2094                 return -ENOMEM;
2095         if ((err = snd_riptide_create(card, pci, &chip)) < 0) {
2096                 snd_card_free(card);
2097                 return err;
2098         }
2099         card->private_data = chip;
2100         if ((err = snd_riptide_pcm(chip, 0, NULL)) < 0) {
2101                 snd_card_free(card);
2102                 return err;
2103         }
2104         if ((err = snd_riptide_mixer(chip)) < 0) {
2105                 snd_card_free(card);
2106                 return err;
2107         }
2108         pci_write_config_word(chip->pci, PCI_EXT_Legacy_Mask, LEGACY_ENABLE_ALL
2109                               | (opl3_port[dev] ? LEGACY_ENABLE_FM : 0)
2110 #ifdef SUPPORT_JOYSTICK
2111                               | (joystick_port[dev] ? LEGACY_ENABLE_GAMEPORT :
2112                                  0)
2113 #endif
2114                               | (mpu_port[dev]
2115                                  ? (LEGACY_ENABLE_MPU_INT | LEGACY_ENABLE_MPU) :
2116                                  0)
2117                               | ((chip->irq << 4) & 0xF0));
2118         if ((addr = mpu_port[dev]) != 0) {
2119                 pci_write_config_word(chip->pci, PCI_EXT_MPU_Base, addr);
2120                 if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_RIPTIDE,
2121                                                addr, 0, chip->irq, 0,
2122                                                &chip->rmidi)) < 0)
2123                         snd_printk(KERN_WARNING
2124                                    "Riptide: Can't Allocate MPU at 0x%x\n",
2125                                    addr);
2126                 else
2127                         chip->mpuaddr = addr;
2128         }
2129         if ((addr = opl3_port[dev]) != 0) {
2130                 pci_write_config_word(chip->pci, PCI_EXT_FM_Base, addr);
2131                 if ((err = snd_opl3_create(card, addr, addr + 2,
2132                                            OPL3_HW_RIPTIDE, 0,
2133                                            &chip->opl3)) < 0)
2134                         snd_printk(KERN_WARNING
2135                                    "Riptide: Can't Allocate OPL3 at 0x%x\n",
2136                                    addr);
2137                 else {
2138                         chip->opladdr = addr;
2139                         if ((err =
2140                              snd_opl3_hwdep_new(chip->opl3, 0, 1, NULL)) < 0)
2141                                 snd_printk(KERN_WARNING
2142                                            "Riptide: Can't Allocate OPL3-HWDEP\n");
2143                 }
2144         }
2145 #ifdef SUPPORT_JOYSTICK
2146         if ((addr = joystick_port[dev]) != 0) {
2147                 pci_write_config_word(chip->pci, PCI_EXT_Game_Base, addr);
2148                 chip->gameaddr = addr;
2149         }
2150 #endif
2151
2152         strcpy(card->driver, "RIPTIDE");
2153         strcpy(card->shortname, "Riptide");
2154 #ifdef SUPPORT_JOYSTICK
2155         snprintf(card->longname, sizeof(card->longname),
2156                  "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x gameport 0x%x",
2157                  card->shortname, chip->port, chip->irq, chip->mpuaddr,
2158                  chip->opladdr, chip->gameaddr);
2159 #else
2160         snprintf(card->longname, sizeof(card->longname),
2161                  "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x",
2162                  card->shortname, chip->port, chip->irq, chip->mpuaddr,
2163                  chip->opladdr);
2164 #endif
2165         snd_riptide_proc_init(chip);
2166         if ((err = snd_card_register(card)) < 0) {
2167                 snd_card_free(card);
2168                 return err;
2169         }
2170         pci_set_drvdata(pci, card);
2171         dev++;
2172         return 0;
2173 }
2174
2175 static void __devexit snd_card_riptide_remove(struct pci_dev *pci)
2176 {
2177         snd_card_free(pci_get_drvdata(pci));
2178         pci_set_drvdata(pci, NULL);
2179 }
2180
2181 static struct pci_driver driver = {
2182         .name = "RIPTIDE",
2183         .id_table = snd_riptide_ids,
2184         .probe = snd_card_riptide_probe,
2185         .remove = __devexit_p(snd_card_riptide_remove),
2186 #ifdef CONFIG_PM
2187         .suspend = riptide_suspend,
2188         .resume = riptide_resume,
2189 #endif
2190 };
2191
2192 #ifdef SUPPORT_JOYSTICK
2193 static struct pci_driver joystick_driver = {
2194         .name = "Riptide Joystick",
2195         .id_table = snd_riptide_joystick_ids,
2196         .probe = snd_riptide_joystick_probe,
2197         .remove = __devexit_p(snd_riptide_joystick_remove),
2198 };
2199 #endif
2200
2201 static int __init alsa_card_riptide_init(void)
2202 {
2203         int err;
2204         if ((err = pci_register_driver(&driver)) < 0)
2205                 return err;
2206 #if defined(SUPPORT_JOYSTICK)
2207         if (pci_register_driver(&joystick_driver) < 0) {
2208                 have_joystick = 0;
2209                 snd_printk(KERN_INFO "no joystick found\n");
2210         } else
2211                 have_joystick = 1;
2212 #endif
2213         return 0;
2214 }
2215
2216 static void __exit alsa_card_riptide_exit(void)
2217 {
2218         pci_unregister_driver(&driver);
2219 #if defined(SUPPORT_JOYSTICK)
2220         if (have_joystick)
2221                 pci_unregister_driver(&joystick_driver);
2222 #endif
2223 }
2224
2225 module_init(alsa_card_riptide_init);
2226 module_exit(alsa_card_riptide_exit);