Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/dlm
[linux-2.6] / 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 <linux/delay.h>
92 #include <linux/init.h>
93 #include <linux/interrupt.h>
94 #include <linux/pci.h>
95 #include <linux/slab.h>
96 #include <linux/wait.h>
97 #include <linux/gameport.h>
98 #include <linux/device.h>
99 #include <linux/firmware.h>
100 #include <asm/io.h>
101 #include <sound/core.h>
102 #include <sound/info.h>
103 #include <sound/control.h>
104 #include <sound/pcm.h>
105 #include <sound/pcm_params.h>
106 #include <sound/ac97_codec.h>
107 #include <sound/mpu401.h>
108 #include <sound/opl3.h>
109 #include <sound/initval.h>
110
111 #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
112 #define SUPPORT_JOYSTICK 1
113 #endif
114
115 MODULE_AUTHOR("Peter Gruber <nokos@gmx.net>");
116 MODULE_DESCRIPTION("riptide");
117 MODULE_LICENSE("GPL");
118 MODULE_SUPPORTED_DEVICE("{{Conexant,Riptide}}");
119 MODULE_FIRMWARE("riptide.hex");
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    50000
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         { PCI_DEVICE(0x127a, 0x4310) },
511         { PCI_DEVICE(0x127a, 0x4320) },
512         { PCI_DEVICE(0x127a, 0x4330) },
513         { PCI_DEVICE(0x127a, 0x4340) },
514         {0,},
515 };
516
517 #ifdef SUPPORT_JOYSTICK
518 static struct pci_device_id snd_riptide_joystick_ids[] __devinitdata = {
519         { PCI_DEVICE(0x127a, 0x4312) },
520         { PCI_DEVICE(0x127a, 0x4322) },
521         { PCI_DEVICE(0x127a, 0x4332) },
522         { PCI_DEVICE(0x127a, 0x4342) },
523         {0,},
524 };
525 #endif
526
527 MODULE_DEVICE_TABLE(pci, snd_riptide_ids);
528
529 /*
530  */
531
532 static unsigned char lbusin2out[E2SINK_MAX + 1][2] = {
533         {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
534                                                                      LS_NONE2},
535         {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
536                                                                      LS_NONE2},
537         {INTER0_OUT, LS_SRC_INTERPOLATOR}, {INTER1_OUT, LS_SRC_INTERPOLATOR},
538         {INTER2_OUT, LS_SRC_INTERPOLATOR}, {INTER3_OUT, LS_SRC_INTERPOLATOR},
539         {INTER4_OUT, LS_SRC_INTERPOLATOR}, {INTERM0_OUT, LS_SRC_INTERPOLATORM},
540         {INTERM1_OUT, LS_SRC_INTERPOLATORM}, {INTERM2_OUT,
541                                               LS_SRC_INTERPOLATORM},
542         {INTERM3_OUT, LS_SRC_INTERPOLATORM}, {INTERM4_OUT,
543                                               LS_SRC_INTERPOLATORM},
544         {INTERM5_OUT, LS_SRC_INTERPOLATORM}, {INTERM6_OUT,
545                                               LS_SRC_INTERPOLATORM},
546         {DECIMM0_OUT, LS_SRC_DECIMATORM}, {DECIMM1_OUT, LS_SRC_DECIMATORM},
547         {DECIMM2_OUT, LS_SRC_DECIMATORM}, {DECIMM3_OUT, LS_SRC_DECIMATORM},
548         {DECIM0_OUT, LS_SRC_DECIMATOR}, {SR3_4_OUT, LS_NONE1}, {NO_OUT,
549                                                                 LS_NONE2},
550         {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1},
551         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
552         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
553         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
554         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
555         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
556         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
557         {GAINFUNC0_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC1_OUT,
558                                                   LS_MIXER_GAIN_FUNCTION},
559         {GAINFUNC2_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC3_OUT,
560                                                   LS_MIXER_GAIN_FUNCTION},
561         {GAINFUNC4_OUT, LS_MIXER_GAIN_FUNCTION}, {SOFTMODEMTX, LS_NONE1},
562         {SPLITTER0_OUTL, LS_SRC_SPLITTER}, {SPLITTER1_OUTL, LS_SRC_SPLITTER},
563         {SPLITTER2_OUTL, LS_SRC_SPLITTER}, {SPLITTER3_OUTL, LS_SRC_SPLITTER},
564         {MERGER0_OUT, LS_SRC_MERGER}, {MERGER0_OUT, LS_SRC_MERGER},
565         {MERGER1_OUT, LS_SRC_MERGER},
566         {MERGER1_OUT, LS_SRC_MERGER}, {MERGER2_OUT, LS_SRC_MERGER},
567         {MERGER2_OUT, LS_SRC_MERGER},
568         {MERGER3_OUT, LS_SRC_MERGER}, {MERGER3_OUT, LS_SRC_MERGER}, {NO_OUT,
569                                                                      LS_NONE2},
570 };
571
572 static unsigned char lbus_play_opl3[] = {
573         DIGITAL_MIXER_IN0 + FM_MIXER, 0xff
574 };
575 static unsigned char lbus_play_modem[] = {
576         DIGITAL_MIXER_IN0 + MODEM_MIXER, 0xff
577 };
578 static unsigned char lbus_play_i2s[] = {
579         INTER0_IN + I2S_INTDEC, DIGITAL_MIXER_IN0 + I2S_MIXER, 0xff
580 };
581 static unsigned char lbus_play_out[] = {
582         PDAC2ACLNK, 0xff
583 };
584 static unsigned char lbus_play_outhp[] = {
585         HNDSPK2ACLNK, 0xff
586 };
587 static unsigned char lbus_play_noconv1[] = {
588         DIGITAL_MIXER_IN0, 0xff
589 };
590 static unsigned char lbus_play_stereo1[] = {
591         INTER0_IN, DIGITAL_MIXER_IN0, 0xff
592 };
593 static unsigned char lbus_play_mono1[] = {
594         INTERM0_IN, DIGITAL_MIXER_IN0, 0xff
595 };
596 static unsigned char lbus_play_noconv2[] = {
597         DIGITAL_MIXER_IN1, 0xff
598 };
599 static unsigned char lbus_play_stereo2[] = {
600         INTER1_IN, DIGITAL_MIXER_IN1, 0xff
601 };
602 static unsigned char lbus_play_mono2[] = {
603         INTERM1_IN, DIGITAL_MIXER_IN1, 0xff
604 };
605 static unsigned char lbus_play_noconv3[] = {
606         DIGITAL_MIXER_IN2, 0xff
607 };
608 static unsigned char lbus_play_stereo3[] = {
609         INTER2_IN, DIGITAL_MIXER_IN2, 0xff
610 };
611 static unsigned char lbus_play_mono3[] = {
612         INTERM2_IN, DIGITAL_MIXER_IN2, 0xff
613 };
614 static unsigned char lbus_rec_noconv1[] = {
615         LBUS2ARM_FIFO5, 0xff
616 };
617 static unsigned char lbus_rec_stereo1[] = {
618         DECIM0_IN, LBUS2ARM_FIFO5, 0xff
619 };
620 static unsigned char lbus_rec_mono1[] = {
621         DECIMM3_IN, LBUS2ARM_FIFO5, 0xff
622 };
623
624 static unsigned char play_ids[] = { 4, 1, 2, };
625 static unsigned char play_sources[] = {
626         ARM2LBUS_FIFO4, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2,
627 };
628 static struct lbuspath lbus_play_paths[] = {
629         {
630          .noconv = lbus_play_noconv1,
631          .stereo = lbus_play_stereo1,
632          .mono = lbus_play_mono1,
633          },
634         {
635          .noconv = lbus_play_noconv2,
636          .stereo = lbus_play_stereo2,
637          .mono = lbus_play_mono2,
638          },
639         {
640          .noconv = lbus_play_noconv3,
641          .stereo = lbus_play_stereo3,
642          .mono = lbus_play_mono3,
643          },
644 };
645 static struct lbuspath lbus_rec_path = {
646         .noconv = lbus_rec_noconv1,
647         .stereo = lbus_rec_stereo1,
648         .mono = lbus_rec_mono1,
649 };
650
651 #define FIRMWARE_VERSIONS 1
652 static union firmware_version firmware_versions[] = {
653         {
654                 .firmware = {
655                         .ASIC = 3,
656                         .CODEC = 2,
657                         .AUXDSP = 3,
658                         .PROG = 773,
659                 },
660         },
661 };
662
663 static u32 atoh(const unsigned char *in, unsigned int len)
664 {
665         u32 sum = 0;
666         unsigned int mult = 1;
667         unsigned char c;
668
669         while (len) {
670                 c = in[len - 1];
671                 if ((c >= '0') && (c <= '9'))
672                         sum += mult * (c - '0');
673                 else if ((c >= 'A') && (c <= 'F'))
674                         sum += mult * (c - ('A' - 10));
675                 else if ((c >= 'a') && (c <= 'f'))
676                         sum += mult * (c - ('a' - 10));
677                 mult *= 16;
678                 --len;
679         }
680         return sum;
681 }
682
683 static int senddata(struct cmdif *cif, const unsigned char *in, u32 offset)
684 {
685         u32 addr;
686         u32 data;
687         u32 i;
688         const unsigned char *p;
689
690         i = atoh(&in[1], 2);
691         addr = offset + atoh(&in[3], 4);
692         if (SEND_SMEM(cif, 0, addr) != 0)
693                 return -EACCES;
694         p = in + 9;
695         while (i) {
696                 data = atoh(p, 8);
697                 if (SEND_WMEM(cif, 2,
698                               ((data & 0x0f0f0f0f) << 4) | ((data & 0xf0f0f0f0)
699                                                             >> 4)))
700                         return -EACCES;
701                 i -= 4;
702                 p += 8;
703         }
704         return 0;
705 }
706
707 static int loadfirmware(struct cmdif *cif, const unsigned char *img,
708                         unsigned int size)
709 {
710         const unsigned char *in;
711         u32 laddr, saddr, t, val;
712         int err = 0;
713
714         laddr = saddr = 0;
715         while (size > 0 && err == 0) {
716                 in = img;
717                 if (in[0] == ':') {
718                         t = atoh(&in[7], 2);
719                         switch (t) {
720                         case DATA_REC:
721                                 err = senddata(cif, in, laddr + saddr);
722                                 break;
723                         case EXT_SEG_ADDR_REC:
724                                 saddr = atoh(&in[9], 4) << 4;
725                                 break;
726                         case EXT_LIN_ADDR_REC:
727                                 laddr = atoh(&in[9], 4) << 16;
728                                 break;
729                         case EXT_GOTO_CMD_REC:
730                                 val = atoh(&in[9], 8);
731                                 if (SEND_GOTO(cif, val) != 0)
732                                         err = -EACCES;
733                                 break;
734                         case EXT_END_OF_FILE:
735                                 size = 0;
736                                 break;
737                         default:
738                                 break;
739                         }
740                         while (size > 0) {
741                                 size--;
742                                 if (*img++ == '\n')
743                                         break;
744                         }
745                 }
746         }
747         snd_printdd("load firmware return %d\n", err);
748         return err;
749 }
750
751 static void
752 alloclbuspath(struct cmdif *cif, unsigned char source,
753               unsigned char *path, unsigned char *mixer, unsigned char *s)
754 {
755         while (*path != 0xff) {
756                 unsigned char sink, type;
757
758                 sink = *path & (~SPLIT_PATH);
759                 if (sink != E2SINK_MAX) {
760                         snd_printdd("alloc path 0x%x->0x%x\n", source, sink);
761                         SEND_PSEL(cif, source, sink);
762                         source = lbusin2out[sink][0];
763                         type = lbusin2out[sink][1];
764                         if (type == LS_MIXER_IN) {
765                                 if (mixer)
766                                         *mixer = sink - DIGITAL_MIXER_IN0;
767                         }
768                         if (type == LS_SRC_DECIMATORM ||
769                             type == LS_SRC_DECIMATOR ||
770                             type == LS_SRC_INTERPOLATORM ||
771                             type == LS_SRC_INTERPOLATOR) {
772                                 if (s) {
773                                         if (s[0] != 0xff)
774                                                 s[1] = sink;
775                                         else
776                                                 s[0] = sink;
777                                 }
778                         }
779                 }
780                 if (*path++ & SPLIT_PATH) {
781                         unsigned char *npath = path;
782
783                         while (*npath != 0xff)
784                                 npath++;
785                         alloclbuspath(cif, source + 1, ++npath, mixer, s);
786                 }
787         }
788 }
789
790 static void
791 freelbuspath(struct cmdif *cif, unsigned char source, unsigned char *path)
792 {
793         while (*path != 0xff) {
794                 unsigned char sink;
795
796                 sink = *path & (~SPLIT_PATH);
797                 if (sink != E2SINK_MAX) {
798                         snd_printdd("free path 0x%x->0x%x\n", source, sink);
799                         SEND_PCLR(cif, source, sink);
800                         source = lbusin2out[sink][0];
801                 }
802                 if (*path++ & SPLIT_PATH) {
803                         unsigned char *npath = path;
804
805                         while (*npath != 0xff)
806                                 npath++;
807                         freelbuspath(cif, source + 1, ++npath);
808                 }
809         }
810 }
811
812 static int writearm(struct cmdif *cif, u32 addr, u32 data, u32 mask)
813 {
814         union cmdret rptr = CMDRET_ZERO;
815         unsigned int i = MAX_WRITE_RETRY;
816         int flag = 1;
817
818         SEND_RMEM(cif, 0x02, addr, &rptr);
819         rptr.retlongs[0] &= (~mask);
820
821         while (--i) {
822                 SEND_SMEM(cif, 0x01, addr);
823                 SEND_WMEM(cif, 0x02, (rptr.retlongs[0] | data));
824                 SEND_RMEM(cif, 0x02, addr, &rptr);
825                 if ((rptr.retlongs[0] & data) == data) {
826                         flag = 0;
827                         break;
828                 } else
829                         rptr.retlongs[0] &= ~mask;
830         }
831         snd_printdd("send arm 0x%x 0x%x 0x%x return %d\n", addr, data, mask,
832                     flag);
833         return flag;
834 }
835
836 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
837                    union cmdret *ret)
838 {
839         int i, j;
840         int err;
841         unsigned int time = 0;
842         unsigned long irqflags;
843         struct riptideport *hwport;
844         struct cmdport *cmdport = NULL;
845
846         if (snd_BUG_ON(!cif))
847                 return -EINVAL;
848
849         hwport = cif->hwport;
850         if (cif->errcnt > MAX_ERROR_COUNT) {
851                 if (cif->is_reset) {
852                         snd_printk(KERN_ERR
853                                    "Riptide: Too many failed cmds, reinitializing\n");
854                         if (riptide_reset(cif, NULL) == 0) {
855                                 cif->errcnt = 0;
856                                 return -EIO;
857                         }
858                 }
859                 snd_printk(KERN_ERR "Riptide: Initialization failed.\n");
860                 return -EINVAL;
861         }
862         if (ret) {
863                 ret->retlongs[0] = 0;
864                 ret->retlongs[1] = 0;
865         }
866         i = 0;
867         spin_lock_irqsave(&cif->lock, irqflags);
868         while (i++ < CMDIF_TIMEOUT && !IS_READY(cif->hwport))
869                 udelay(10);
870         if (i > CMDIF_TIMEOUT) {
871                 err = -EBUSY;
872                 goto errout;
873         }
874
875         err = 0;
876         for (j = 0, time = 0; time < CMDIF_TIMEOUT; j++, time += 2) {
877                 cmdport = &(hwport->port[j % 2]);
878                 if (IS_DATF(cmdport)) { /* free pending data */
879                         READ_PORT_ULONG(cmdport->data1);
880                         READ_PORT_ULONG(cmdport->data2);
881                 }
882                 if (IS_CMDE(cmdport)) {
883                         if (flags & PARM)       /* put data */
884                                 WRITE_PORT_ULONG(cmdport->data2, parm);
885                         WRITE_PORT_ULONG(cmdport->data1, cmd);  /* write cmd */
886                         if ((flags & RESP) && ret) {
887                                 while (!IS_DATF(cmdport) &&
888                                        time < CMDIF_TIMEOUT) {
889                                         udelay(10);
890                                         time++;
891                                 }
892                                 if (time < CMDIF_TIMEOUT) {     /* read response */
893                                         ret->retlongs[0] =
894                                             READ_PORT_ULONG(cmdport->data1);
895                                         ret->retlongs[1] =
896                                             READ_PORT_ULONG(cmdport->data2);
897                                 } else {
898                                         err = -ENOSYS;
899                                         goto errout;
900                                 }
901                         }
902                         break;
903                 }
904                 udelay(20);
905         }
906         if (time == CMDIF_TIMEOUT) {
907                 err = -ENODATA;
908                 goto errout;
909         }
910         spin_unlock_irqrestore(&cif->lock, irqflags);
911
912         cif->cmdcnt++;          /* update command statistics */
913         cif->cmdtime += time;
914         if (time > cif->cmdtimemax)
915                 cif->cmdtimemax = time;
916         if (time < cif->cmdtimemin)
917                 cif->cmdtimemin = time;
918         if ((cif->cmdcnt) % 1000 == 0)
919                 snd_printdd
920                     ("send cmd %d time: %d mintime: %d maxtime %d err: %d\n",
921                      cif->cmdcnt, cif->cmdtime, cif->cmdtimemin,
922                      cif->cmdtimemax, cif->errcnt);
923         return 0;
924
925       errout:
926         cif->errcnt++;
927         spin_unlock_irqrestore(&cif->lock, irqflags);
928         snd_printdd
929             ("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",
930              cif->cmdcnt, (int)((void *)&(cmdport->stat) - (void *)hwport),
931              flags, cmd, parm, ret ? ret->retlongs[0] : 0,
932              ret ? ret->retlongs[1] : 0, IS_CMDE(cmdport), IS_DATF(cmdport),
933              err);
934         return err;
935 }
936
937 static int
938 setmixer(struct cmdif *cif, short num, unsigned short rval, unsigned short lval)
939 {
940         union cmdret rptr = CMDRET_ZERO;
941         int i = 0;
942
943         snd_printdd("sent mixer %d: 0x%d 0x%d\n", num, rval, lval);
944         do {
945                 SEND_SDGV(cif, num, num, rval, lval);
946                 SEND_RDGV(cif, num, num, &rptr);
947                 if (rptr.retwords[0] == lval && rptr.retwords[1] == rval)
948                         return 0;
949         } while (i++ < MAX_WRITE_RETRY);
950         snd_printdd("sent mixer failed\n");
951         return -EIO;
952 }
953
954 static int getpaths(struct cmdif *cif, unsigned char *o)
955 {
956         unsigned char src[E2SINK_MAX];
957         unsigned char sink[E2SINK_MAX];
958         int i, j = 0;
959
960         for (i = 0; i < E2SINK_MAX; i++) {
961                 getsourcesink(cif, i, i, &src[i], &sink[i]);
962                 if (sink[i] < E2SINK_MAX) {
963                         o[j++] = sink[i];
964                         o[j++] = i;
965                 }
966         }
967         return j;
968 }
969
970 static int
971 getsourcesink(struct cmdif *cif, unsigned char source, unsigned char sink,
972               unsigned char *a, unsigned char *b)
973 {
974         union cmdret rptr = CMDRET_ZERO;
975
976         if (SEND_RSSV(cif, source, sink, &rptr) &&
977             SEND_RSSV(cif, source, sink, &rptr))
978                 return -EIO;
979         *a = rptr.retbytes[0];
980         *b = rptr.retbytes[1];
981         snd_printdd("getsourcesink 0x%x 0x%x\n", *a, *b);
982         return 0;
983 }
984
985 static int
986 getsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int *rate)
987 {
988         unsigned char *s;
989         unsigned int p[2] = { 0, 0 };
990         int i;
991         union cmdret rptr = CMDRET_ZERO;
992
993         s = intdec;
994         for (i = 0; i < 2; i++) {
995                 if (*s != 0xff) {
996                         if (SEND_RSRC(cif, *s, &rptr) &&
997                             SEND_RSRC(cif, *s, &rptr))
998                                 return -EIO;
999                         p[i] += rptr.retwords[1];
1000                         p[i] *= rptr.retwords[2];
1001                         p[i] += rptr.retwords[3];
1002                         p[i] /= 65536;
1003                 }
1004                 s++;
1005         }
1006         if (p[0]) {
1007                 if (p[1] != p[0])
1008                         snd_printdd("rates differ %d %d\n", p[0], p[1]);
1009                 *rate = (unsigned int)p[0];
1010         } else
1011                 *rate = (unsigned int)p[1];
1012         snd_printdd("getsampleformat %d %d %d\n", intdec[0], intdec[1], *rate);
1013         return 0;
1014 }
1015
1016 static int
1017 setsampleformat(struct cmdif *cif,
1018                 unsigned char mixer, unsigned char id,
1019                 unsigned char channels, unsigned char format)
1020 {
1021         unsigned char w, ch, sig, order;
1022
1023         snd_printdd
1024             ("setsampleformat mixer: %d id: %d channels: %d format: %d\n",
1025              mixer, id, channels, format);
1026         ch = channels == 1;
1027         w = snd_pcm_format_width(format) == 8;
1028         sig = snd_pcm_format_unsigned(format) != 0;
1029         order = snd_pcm_format_big_endian(format) != 0;
1030
1031         if (SEND_SETF(cif, mixer, w, ch, order, sig, id) &&
1032             SEND_SETF(cif, mixer, w, ch, order, sig, id)) {
1033                 snd_printdd("setsampleformat failed\n");
1034                 return -EIO;
1035         }
1036         return 0;
1037 }
1038
1039 static int
1040 setsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int rate)
1041 {
1042         u32 D, M, N;
1043         union cmdret rptr = CMDRET_ZERO;
1044         int i;
1045
1046         snd_printdd("setsamplerate intdec: %d,%d rate: %d\n", intdec[0],
1047                     intdec[1], rate);
1048         D = 48000;
1049         M = ((rate == 48000) ? 47999 : rate) * 65536;
1050         N = M % D;
1051         M /= D;
1052         for (i = 0; i < 2; i++) {
1053                 if (*intdec != 0xff) {
1054                         do {
1055                                 SEND_SSRC(cif, *intdec, D, M, N);
1056                                 SEND_RSRC(cif, *intdec, &rptr);
1057                         } while (rptr.retwords[1] != D &&
1058                                  rptr.retwords[2] != M &&
1059                                  rptr.retwords[3] != N &&
1060                                  i++ < MAX_WRITE_RETRY);
1061                         if (i == MAX_WRITE_RETRY) {
1062                                 snd_printdd("sent samplerate %d: %d failed\n",
1063                                             *intdec, rate);
1064                                 return -EIO;
1065                         }
1066                 }
1067                 intdec++;
1068         }
1069         return 0;
1070 }
1071
1072 static int
1073 getmixer(struct cmdif *cif, short num, unsigned short *rval,
1074          unsigned short *lval)
1075 {
1076         union cmdret rptr = CMDRET_ZERO;
1077
1078         if (SEND_RDGV(cif, num, num, &rptr) && SEND_RDGV(cif, num, num, &rptr))
1079                 return -EIO;
1080         *rval = rptr.retwords[0];
1081         *lval = rptr.retwords[1];
1082         snd_printdd("got mixer %d: 0x%d 0x%d\n", num, *rval, *lval);
1083         return 0;
1084 }
1085
1086 static void riptide_handleirq(unsigned long dev_id)
1087 {
1088         struct snd_riptide *chip = (void *)dev_id;
1089         struct cmdif *cif = chip->cif;
1090         struct snd_pcm_substream *substream[PLAYBACK_SUBSTREAMS + 1];
1091         struct snd_pcm_runtime *runtime;
1092         struct pcmhw *data = NULL;
1093         unsigned int pos, period_bytes;
1094         struct sgd *c;
1095         int i, j;
1096         unsigned int flag;
1097
1098         if (!cif)
1099                 return;
1100
1101         for (i = 0; i < PLAYBACK_SUBSTREAMS; i++)
1102                 substream[i] = chip->playback_substream[i];
1103         substream[i] = chip->capture_substream;
1104         for (i = 0; i < PLAYBACK_SUBSTREAMS + 1; i++) {
1105                 if (substream[i] &&
1106                     (runtime = substream[i]->runtime) &&
1107                     (data = runtime->private_data) && data->state != ST_STOP) {
1108                         pos = 0;
1109                         for (j = 0; j < data->pages; j++) {
1110                                 c = &data->sgdbuf[j];
1111                                 flag = le32_to_cpu(c->dwStat_Ctl);
1112                                 if (flag & EOB_STATUS)
1113                                         pos += le32_to_cpu(c->dwSegLen);
1114                                 if (flag & EOC_STATUS)
1115                                         pos += le32_to_cpu(c->dwSegLen);
1116                                 if ((flag & EOS_STATUS)
1117                                     && (data->state == ST_PLAY)) {
1118                                         data->state = ST_STOP;
1119                                         snd_printk(KERN_ERR
1120                                                    "Riptide: DMA stopped unexpectedly\n");
1121                                 }
1122                                 c->dwStat_Ctl =
1123                                     cpu_to_le32(flag &
1124                                                 ~(EOS_STATUS | EOB_STATUS |
1125                                                   EOC_STATUS));
1126                         }
1127                         data->pointer += pos;
1128                         pos += data->oldpos;
1129                         if (data->state != ST_STOP) {
1130                                 period_bytes =
1131                                     frames_to_bytes(runtime,
1132                                                     runtime->period_size);
1133                                 snd_printdd
1134                                     ("interrupt 0x%x after 0x%lx of 0x%lx frames in period\n",
1135                                      READ_AUDIO_STATUS(cif->hwport),
1136                                      bytes_to_frames(runtime, pos),
1137                                      runtime->period_size);
1138                                 j = 0;
1139                                 if (pos >= period_bytes) {
1140                                         j++;
1141                                         while (pos >= period_bytes)
1142                                                 pos -= period_bytes;
1143                                 }
1144                                 data->oldpos = pos;
1145                                 if (j > 0)
1146                                         snd_pcm_period_elapsed(substream[i]);
1147                         }
1148                 }
1149         }
1150 }
1151
1152 #ifdef CONFIG_PM
1153 static int riptide_suspend(struct pci_dev *pci, pm_message_t state)
1154 {
1155         struct snd_card *card = pci_get_drvdata(pci);
1156         struct snd_riptide *chip = card->private_data;
1157
1158         chip->in_suspend = 1;
1159         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1160         snd_pcm_suspend_all(chip->pcm);
1161         snd_ac97_suspend(chip->ac97);
1162         pci_disable_device(pci);
1163         pci_save_state(pci);
1164         pci_set_power_state(pci, pci_choose_state(pci, state));
1165         return 0;
1166 }
1167
1168 static int riptide_resume(struct pci_dev *pci)
1169 {
1170         struct snd_card *card = pci_get_drvdata(pci);
1171         struct snd_riptide *chip = card->private_data;
1172
1173         pci_set_power_state(pci, PCI_D0);
1174         pci_restore_state(pci);
1175         if (pci_enable_device(pci) < 0) {
1176                 printk(KERN_ERR "riptide: pci_enable_device failed, "
1177                        "disabling device\n");
1178                 snd_card_disconnect(card);
1179                 return -EIO;
1180         }
1181         pci_set_master(pci);
1182         snd_riptide_initialize(chip);
1183         snd_ac97_resume(chip->ac97);
1184         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1185         chip->in_suspend = 0;
1186         return 0;
1187 }
1188 #endif
1189
1190 static int try_to_load_firmware(struct cmdif *cif, struct snd_riptide *chip)
1191 {
1192         union firmware_version firmware = { .ret = CMDRET_ZERO };
1193         int i, timeout, err;
1194
1195         for (i = 0; i < 2; i++) {
1196                 WRITE_PORT_ULONG(cif->hwport->port[i].data1, 0);
1197                 WRITE_PORT_ULONG(cif->hwport->port[i].data2, 0);
1198         }
1199         SET_GRESET(cif->hwport);
1200         udelay(100);
1201         UNSET_GRESET(cif->hwport);
1202         udelay(100);
1203
1204         for (timeout = 100000; --timeout; udelay(10)) {
1205                 if (IS_READY(cif->hwport) && !IS_GERR(cif->hwport))
1206                         break;
1207         }
1208         if (!timeout) {
1209                 snd_printk(KERN_ERR
1210                            "Riptide: device not ready, audio status: 0x%x "
1211                            "ready: %d gerr: %d\n",
1212                            READ_AUDIO_STATUS(cif->hwport),
1213                            IS_READY(cif->hwport), IS_GERR(cif->hwport));
1214                 return -EIO;
1215         } else {
1216                 snd_printdd
1217                         ("Riptide: audio status: 0x%x ready: %d gerr: %d\n",
1218                          READ_AUDIO_STATUS(cif->hwport),
1219                          IS_READY(cif->hwport), IS_GERR(cif->hwport));
1220         }
1221
1222         SEND_GETV(cif, &firmware.ret);
1223         snd_printdd("Firmware version: ASIC: %d CODEC %d AUXDSP %d PROG %d\n",
1224                     firmware.firmware.ASIC, firmware.firmware.CODEC,
1225                     firmware.firmware.AUXDSP, firmware.firmware.PROG);
1226
1227         for (i = 0; i < FIRMWARE_VERSIONS; i++) {
1228                 if (!memcmp(&firmware_versions[i], &firmware, sizeof(firmware)))
1229                         break;
1230         }
1231         if (i >= FIRMWARE_VERSIONS)
1232                 return 0; /* no match */
1233
1234         if (!chip)
1235                 return 1; /* OK */
1236
1237         snd_printdd("Writing Firmware\n");
1238         if (!chip->fw_entry) {
1239                 err = request_firmware(&chip->fw_entry, "riptide.hex",
1240                                        &chip->pci->dev);
1241                 if (err) {
1242                         snd_printk(KERN_ERR
1243                                    "Riptide: Firmware not available %d\n", err);
1244                         return -EIO;
1245                 }
1246         }
1247         err = loadfirmware(cif, chip->fw_entry->data, chip->fw_entry->size);
1248         if (err) {
1249                 snd_printk(KERN_ERR
1250                            "Riptide: Could not load firmware %d\n", err);
1251                 return err;
1252         }
1253
1254         chip->firmware = firmware;
1255
1256         return 1; /* OK */
1257 }
1258
1259 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip)
1260 {
1261         union cmdret rptr = CMDRET_ZERO;
1262         int err, tries;
1263
1264         if (!cif)
1265                 return -EINVAL;
1266
1267         cif->cmdcnt = 0;
1268         cif->cmdtime = 0;
1269         cif->cmdtimemax = 0;
1270         cif->cmdtimemin = 0xffffffff;
1271         cif->errcnt = 0;
1272         cif->is_reset = 0;
1273
1274         tries = RESET_TRIES;
1275         do {
1276                 err = try_to_load_firmware(cif, chip);
1277                 if (err < 0)
1278                         return err;
1279         } while (!err && --tries);
1280
1281         SEND_SACR(cif, 0, AC97_RESET);
1282         SEND_RACR(cif, AC97_RESET, &rptr);
1283         snd_printdd("AC97: 0x%x 0x%x\n", rptr.retlongs[0], rptr.retlongs[1]);
1284
1285         SEND_PLST(cif, 0);
1286         SEND_SLST(cif, 0);
1287         SEND_DLST(cif, 0);
1288         SEND_ALST(cif, 0);
1289         SEND_KDMA(cif);
1290
1291         writearm(cif, 0x301F8, 1, 1);
1292         writearm(cif, 0x301F4, 1, 1);
1293
1294         SEND_LSEL(cif, MODEM_CMD, 0, 0, MODEM_INTDEC, MODEM_MERGER,
1295                   MODEM_SPLITTER, MODEM_MIXER);
1296         setmixer(cif, MODEM_MIXER, 0x7fff, 0x7fff);
1297         alloclbuspath(cif, ARM2LBUS_FIFO13, lbus_play_modem, NULL, NULL);
1298
1299         SEND_LSEL(cif, FM_CMD, 0, 0, FM_INTDEC, FM_MERGER, FM_SPLITTER,
1300                   FM_MIXER);
1301         setmixer(cif, FM_MIXER, 0x7fff, 0x7fff);
1302         writearm(cif, 0x30648 + FM_MIXER * 4, 0x01, 0x00000005);
1303         writearm(cif, 0x301A8, 0x02, 0x00000002);
1304         writearm(cif, 0x30264, 0x08, 0xffffffff);
1305         alloclbuspath(cif, OPL3_SAMPLE, lbus_play_opl3, NULL, NULL);
1306
1307         SEND_SSRC(cif, I2S_INTDEC, 48000,
1308                   ((u32) I2S_RATE * 65536) / 48000,
1309                   ((u32) I2S_RATE * 65536) % 48000);
1310         SEND_LSEL(cif, I2S_CMD0, 0, 0, I2S_INTDEC, I2S_MERGER, I2S_SPLITTER,
1311                   I2S_MIXER);
1312         SEND_SI2S(cif, 1);
1313         alloclbuspath(cif, ARM2LBUS_FIFO0, lbus_play_i2s, NULL, NULL);
1314         alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_out, NULL, NULL);
1315         alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_outhp, NULL, NULL);
1316
1317         SET_AIACK(cif->hwport);
1318         SET_AIE(cif->hwport);
1319         SET_AIACK(cif->hwport);
1320         cif->is_reset = 1;
1321
1322         return 0;
1323 }
1324
1325 static struct snd_pcm_hardware snd_riptide_playback = {
1326         .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1327                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1328                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1329         .formats =
1330             SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1331             | SNDRV_PCM_FMTBIT_U16_LE,
1332         .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1333         .rate_min = 5500,
1334         .rate_max = 48000,
1335         .channels_min = 1,
1336         .channels_max = 2,
1337         .buffer_bytes_max = (64 * 1024),
1338         .period_bytes_min = PAGE_SIZE >> 1,
1339         .period_bytes_max = PAGE_SIZE << 8,
1340         .periods_min = 2,
1341         .periods_max = 64,
1342         .fifo_size = 0,
1343 };
1344 static struct snd_pcm_hardware snd_riptide_capture = {
1345         .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1346                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1347                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1348         .formats =
1349             SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1350             | SNDRV_PCM_FMTBIT_U16_LE,
1351         .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1352         .rate_min = 5500,
1353         .rate_max = 48000,
1354         .channels_min = 1,
1355         .channels_max = 2,
1356         .buffer_bytes_max = (64 * 1024),
1357         .period_bytes_min = PAGE_SIZE >> 1,
1358         .period_bytes_max = PAGE_SIZE << 3,
1359         .periods_min = 2,
1360         .periods_max = 64,
1361         .fifo_size = 0,
1362 };
1363
1364 static snd_pcm_uframes_t snd_riptide_pointer(struct snd_pcm_substream
1365                                              *substream)
1366 {
1367         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1368         struct snd_pcm_runtime *runtime = substream->runtime;
1369         struct pcmhw *data = get_pcmhwdev(substream);
1370         struct cmdif *cif = chip->cif;
1371         union cmdret rptr = CMDRET_ZERO;
1372         snd_pcm_uframes_t ret;
1373
1374         SEND_GPOS(cif, 0, data->id, &rptr);
1375         if (data->size && runtime->period_size) {
1376                 snd_printdd
1377                     ("pointer stream %d position 0x%x(0x%x in buffer) bytes 0x%lx(0x%lx in period) frames\n",
1378                      data->id, rptr.retlongs[1], rptr.retlongs[1] % data->size,
1379                      bytes_to_frames(runtime, rptr.retlongs[1]),
1380                      bytes_to_frames(runtime,
1381                                      rptr.retlongs[1]) % runtime->period_size);
1382                 if (rptr.retlongs[1] > data->pointer)
1383                         ret =
1384                             bytes_to_frames(runtime,
1385                                             rptr.retlongs[1] % data->size);
1386                 else
1387                         ret =
1388                             bytes_to_frames(runtime,
1389                                             data->pointer % data->size);
1390         } else {
1391                 snd_printdd("stream not started or strange parms (%d %ld)\n",
1392                             data->size, runtime->period_size);
1393                 ret = bytes_to_frames(runtime, 0);
1394         }
1395         return ret;
1396 }
1397
1398 static int snd_riptide_trigger(struct snd_pcm_substream *substream, int cmd)
1399 {
1400         int i, j;
1401         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1402         struct pcmhw *data = get_pcmhwdev(substream);
1403         struct cmdif *cif = chip->cif;
1404         union cmdret rptr = CMDRET_ZERO;
1405
1406         spin_lock(&chip->lock);
1407         switch (cmd) {
1408         case SNDRV_PCM_TRIGGER_START:
1409         case SNDRV_PCM_TRIGGER_RESUME:
1410                 if (!(data->state & ST_PLAY)) {
1411                         SEND_SSTR(cif, data->id, data->sgdlist.addr);
1412                         SET_AIE(cif->hwport);
1413                         data->state = ST_PLAY;
1414                         if (data->mixer != 0xff)
1415                                 setmixer(cif, data->mixer, 0x7fff, 0x7fff);
1416                         chip->openstreams++;
1417                         data->oldpos = 0;
1418                         data->pointer = 0;
1419                 }
1420                 break;
1421         case SNDRV_PCM_TRIGGER_STOP:
1422         case SNDRV_PCM_TRIGGER_SUSPEND:
1423                 if (data->mixer != 0xff)
1424                         setmixer(cif, data->mixer, 0, 0);
1425                 setmixer(cif, data->mixer, 0, 0);
1426                 SEND_KSTR(cif, data->id);
1427                 data->state = ST_STOP;
1428                 chip->openstreams--;
1429                 j = 0;
1430                 do {
1431                         i = rptr.retlongs[1];
1432                         SEND_GPOS(cif, 0, data->id, &rptr);
1433                         udelay(1);
1434                 } while (i != rptr.retlongs[1] && j++ < MAX_WRITE_RETRY);
1435                 if (j > MAX_WRITE_RETRY)
1436                         snd_printk(KERN_ERR "Riptide: Could not stop stream!");
1437                 break;
1438         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1439                 if (!(data->state & ST_PAUSE)) {
1440                         SEND_PSTR(cif, data->id);
1441                         data->state |= ST_PAUSE;
1442                         chip->openstreams--;
1443                 }
1444                 break;
1445         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1446                 if (data->state & ST_PAUSE) {
1447                         SEND_SSTR(cif, data->id, data->sgdlist.addr);
1448                         data->state &= ~ST_PAUSE;
1449                         chip->openstreams++;
1450                 }
1451                 break;
1452         default:
1453                 spin_unlock(&chip->lock);
1454                 return -EINVAL;
1455         }
1456         spin_unlock(&chip->lock);
1457         return 0;
1458 }
1459
1460 static int snd_riptide_prepare(struct snd_pcm_substream *substream)
1461 {
1462         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1463         struct snd_pcm_runtime *runtime = substream->runtime;
1464         struct pcmhw *data = get_pcmhwdev(substream);
1465         struct cmdif *cif = chip->cif;
1466         unsigned char *lbuspath = NULL;
1467         unsigned int rate, channels;
1468         int err = 0;
1469         snd_pcm_format_t format;
1470
1471         if (snd_BUG_ON(!cif || !data))
1472                 return -EINVAL;
1473
1474         snd_printdd("prepare id %d ch: %d f:0x%x r:%d\n", data->id,
1475                     runtime->channels, runtime->format, runtime->rate);
1476
1477         spin_lock_irq(&chip->lock);
1478         channels = runtime->channels;
1479         format = runtime->format;
1480         rate = runtime->rate;
1481         switch (channels) {
1482         case 1:
1483                 if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1484                         lbuspath = data->paths.noconv;
1485                 else
1486                         lbuspath = data->paths.mono;
1487                 break;
1488         case 2:
1489                 if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1490                         lbuspath = data->paths.noconv;
1491                 else
1492                         lbuspath = data->paths.stereo;
1493                 break;
1494         }
1495         snd_printdd("use sgdlist at 0x%p\n",
1496                     data->sgdlist.area);
1497         if (data->sgdlist.area) {
1498                 unsigned int i, j, size, pages, f, pt, period;
1499                 struct sgd *c, *p = NULL;
1500
1501                 size = frames_to_bytes(runtime, runtime->buffer_size);
1502                 period = frames_to_bytes(runtime, runtime->period_size);
1503                 f = PAGE_SIZE;
1504                 while ((size + (f >> 1) - 1) <= (f << 7) && (f << 1) > period)
1505                         f = f >> 1;
1506                 pages = (size + f - 1) / f;
1507                 data->size = size;
1508                 data->pages = pages;
1509                 snd_printdd
1510                     ("create sgd size: 0x%x pages %d of size 0x%x for period 0x%x\n",
1511                      size, pages, f, period);
1512                 pt = 0;
1513                 j = 0;
1514                 for (i = 0; i < pages; i++) {
1515                         unsigned int ofs, addr;
1516                         c = &data->sgdbuf[i];
1517                         if (p)
1518                                 p->dwNextLink = cpu_to_le32(data->sgdlist.addr +
1519                                                             (i *
1520                                                              sizeof(struct
1521                                                                     sgd)));
1522                         c->dwNextLink = cpu_to_le32(data->sgdlist.addr);
1523                         ofs = j << PAGE_SHIFT;
1524                         addr = snd_pcm_sgbuf_get_addr(substream, ofs) + pt;
1525                         c->dwSegPtrPhys = cpu_to_le32(addr);
1526                         pt = (pt + f) % PAGE_SIZE;
1527                         if (pt == 0)
1528                                 j++;
1529                         c->dwSegLen = cpu_to_le32(f);
1530                         c->dwStat_Ctl =
1531                             cpu_to_le32(IEOB_ENABLE | IEOS_ENABLE |
1532                                         IEOC_ENABLE);
1533                         p = c;
1534                         size -= f;
1535                 }
1536                 data->sgdbuf[i].dwSegLen = cpu_to_le32(size);
1537         }
1538         if (lbuspath && lbuspath != data->lbuspath) {
1539                 if (data->lbuspath)
1540                         freelbuspath(cif, data->source, data->lbuspath);
1541                 alloclbuspath(cif, data->source, lbuspath,
1542                               &data->mixer, data->intdec);
1543                 data->lbuspath = lbuspath;
1544                 data->rate = 0;
1545         }
1546         if (data->rate != rate || data->format != format ||
1547             data->channels != channels) {
1548                 data->rate = rate;
1549                 data->format = format;
1550                 data->channels = channels;
1551                 if (setsampleformat
1552                     (cif, data->mixer, data->id, channels, format)
1553                     || setsamplerate(cif, data->intdec, rate))
1554                         err = -EIO;
1555         }
1556         spin_unlock_irq(&chip->lock);
1557         return err;
1558 }
1559
1560 static int
1561 snd_riptide_hw_params(struct snd_pcm_substream *substream,
1562                       struct snd_pcm_hw_params *hw_params)
1563 {
1564         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1565         struct pcmhw *data = get_pcmhwdev(substream);
1566         struct snd_dma_buffer *sgdlist = &data->sgdlist;
1567         int err;
1568
1569         snd_printdd("hw params id %d (sgdlist: 0x%p 0x%lx %d)\n", data->id,
1570                     sgdlist->area, (unsigned long)sgdlist->addr,
1571                     (int)sgdlist->bytes);
1572         if (sgdlist->area)
1573                 snd_dma_free_pages(sgdlist);
1574         if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
1575                                        snd_dma_pci_data(chip->pci),
1576                                        sizeof(struct sgd) * (DESC_MAX_MASK + 1),
1577                                        sgdlist)) < 0) {
1578                 snd_printk(KERN_ERR "Riptide: failed to alloc %d dma bytes\n",
1579                            (int)sizeof(struct sgd) * (DESC_MAX_MASK + 1));
1580                 return err;
1581         }
1582         data->sgdbuf = (struct sgd *)sgdlist->area;
1583         return snd_pcm_lib_malloc_pages(substream,
1584                                         params_buffer_bytes(hw_params));
1585 }
1586
1587 static int snd_riptide_hw_free(struct snd_pcm_substream *substream)
1588 {
1589         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1590         struct pcmhw *data = get_pcmhwdev(substream);
1591         struct cmdif *cif = chip->cif;
1592
1593         if (cif && data) {
1594                 if (data->lbuspath)
1595                         freelbuspath(cif, data->source, data->lbuspath);
1596                 data->lbuspath = NULL;
1597                 data->source = 0xff;
1598                 data->intdec[0] = 0xff;
1599                 data->intdec[1] = 0xff;
1600
1601                 if (data->sgdlist.area) {
1602                         snd_dma_free_pages(&data->sgdlist);
1603                         data->sgdlist.area = NULL;
1604                 }
1605         }
1606         return snd_pcm_lib_free_pages(substream);
1607 }
1608
1609 static int snd_riptide_playback_open(struct snd_pcm_substream *substream)
1610 {
1611         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1612         struct snd_pcm_runtime *runtime = substream->runtime;
1613         struct pcmhw *data;
1614         int sub_num = substream->number;
1615
1616         chip->playback_substream[sub_num] = substream;
1617         runtime->hw = snd_riptide_playback;
1618         data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1619         data->paths = lbus_play_paths[sub_num];
1620         data->id = play_ids[sub_num];
1621         data->source = play_sources[sub_num];
1622         data->intdec[0] = 0xff;
1623         data->intdec[1] = 0xff;
1624         data->state = ST_STOP;
1625         runtime->private_data = data;
1626         return snd_pcm_hw_constraint_integer(runtime,
1627                                              SNDRV_PCM_HW_PARAM_PERIODS);
1628 }
1629
1630 static int snd_riptide_capture_open(struct snd_pcm_substream *substream)
1631 {
1632         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1633         struct snd_pcm_runtime *runtime = substream->runtime;
1634         struct pcmhw *data;
1635
1636         chip->capture_substream = substream;
1637         runtime->hw = snd_riptide_capture;
1638         data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1639         data->paths = lbus_rec_path;
1640         data->id = PADC;
1641         data->source = ACLNK2PADC;
1642         data->intdec[0] = 0xff;
1643         data->intdec[1] = 0xff;
1644         data->state = ST_STOP;
1645         runtime->private_data = data;
1646         return snd_pcm_hw_constraint_integer(runtime,
1647                                              SNDRV_PCM_HW_PARAM_PERIODS);
1648 }
1649
1650 static int snd_riptide_playback_close(struct snd_pcm_substream *substream)
1651 {
1652         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1653         struct pcmhw *data = get_pcmhwdev(substream);
1654         int sub_num = substream->number;
1655
1656         substream->runtime->private_data = NULL;
1657         chip->playback_substream[sub_num] = NULL;
1658         kfree(data);
1659         return 0;
1660 }
1661
1662 static int snd_riptide_capture_close(struct snd_pcm_substream *substream)
1663 {
1664         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1665         struct pcmhw *data = get_pcmhwdev(substream);
1666
1667         substream->runtime->private_data = NULL;
1668         chip->capture_substream = NULL;
1669         kfree(data);
1670         return 0;
1671 }
1672
1673 static struct snd_pcm_ops snd_riptide_playback_ops = {
1674         .open = snd_riptide_playback_open,
1675         .close = snd_riptide_playback_close,
1676         .ioctl = snd_pcm_lib_ioctl,
1677         .hw_params = snd_riptide_hw_params,
1678         .hw_free = snd_riptide_hw_free,
1679         .prepare = snd_riptide_prepare,
1680         .page = snd_pcm_sgbuf_ops_page,
1681         .trigger = snd_riptide_trigger,
1682         .pointer = snd_riptide_pointer,
1683 };
1684 static struct snd_pcm_ops snd_riptide_capture_ops = {
1685         .open = snd_riptide_capture_open,
1686         .close = snd_riptide_capture_close,
1687         .ioctl = snd_pcm_lib_ioctl,
1688         .hw_params = snd_riptide_hw_params,
1689         .hw_free = snd_riptide_hw_free,
1690         .prepare = snd_riptide_prepare,
1691         .page = snd_pcm_sgbuf_ops_page,
1692         .trigger = snd_riptide_trigger,
1693         .pointer = snd_riptide_pointer,
1694 };
1695
1696 static int __devinit
1697 snd_riptide_pcm(struct snd_riptide *chip, int device, struct snd_pcm **rpcm)
1698 {
1699         struct snd_pcm *pcm;
1700         int err;
1701
1702         if (rpcm)
1703                 *rpcm = NULL;
1704         if ((err =
1705              snd_pcm_new(chip->card, "RIPTIDE", device, PLAYBACK_SUBSTREAMS, 1,
1706                          &pcm)) < 0)
1707                 return err;
1708         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1709                         &snd_riptide_playback_ops);
1710         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1711                         &snd_riptide_capture_ops);
1712         pcm->private_data = chip;
1713         pcm->info_flags = 0;
1714         strcpy(pcm->name, "RIPTIDE");
1715         chip->pcm = pcm;
1716         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1717                                               snd_dma_pci_data(chip->pci),
1718                                               64 * 1024, 128 * 1024);
1719         if (rpcm)
1720                 *rpcm = pcm;
1721         return 0;
1722 }
1723
1724 static irqreturn_t
1725 snd_riptide_interrupt(int irq, void *dev_id)
1726 {
1727         struct snd_riptide *chip = dev_id;
1728         struct cmdif *cif = chip->cif;
1729
1730         if (cif) {
1731                 chip->received_irqs++;
1732                 if (IS_EOBIRQ(cif->hwport) || IS_EOSIRQ(cif->hwport) ||
1733                     IS_EOCIRQ(cif->hwport)) {
1734                         chip->handled_irqs++;
1735                         tasklet_schedule(&chip->riptide_tq);
1736                 }
1737                 if (chip->rmidi && IS_MPUIRQ(cif->hwport)) {
1738                         chip->handled_irqs++;
1739                         snd_mpu401_uart_interrupt(irq,
1740                                                   chip->rmidi->private_data);
1741                 }
1742                 SET_AIACK(cif->hwport);
1743         }
1744         return IRQ_HANDLED;
1745 }
1746
1747 static void
1748 snd_riptide_codec_write(struct snd_ac97 *ac97, unsigned short reg,
1749                         unsigned short val)
1750 {
1751         struct snd_riptide *chip = ac97->private_data;
1752         struct cmdif *cif = chip->cif;
1753         union cmdret rptr = CMDRET_ZERO;
1754         int i = 0;
1755
1756         if (snd_BUG_ON(!cif))
1757                 return;
1758
1759         snd_printdd("Write AC97 reg 0x%x 0x%x\n", reg, val);
1760         do {
1761                 SEND_SACR(cif, val, reg);
1762                 SEND_RACR(cif, reg, &rptr);
1763         } while (rptr.retwords[1] != val && i++ < MAX_WRITE_RETRY);
1764         if (i > MAX_WRITE_RETRY)
1765                 snd_printdd("Write AC97 reg failed\n");
1766 }
1767
1768 static unsigned short snd_riptide_codec_read(struct snd_ac97 *ac97,
1769                                              unsigned short reg)
1770 {
1771         struct snd_riptide *chip = ac97->private_data;
1772         struct cmdif *cif = chip->cif;
1773         union cmdret rptr = CMDRET_ZERO;
1774
1775         if (snd_BUG_ON(!cif))
1776                 return 0;
1777
1778         if (SEND_RACR(cif, reg, &rptr) != 0)
1779                 SEND_RACR(cif, reg, &rptr);
1780         snd_printdd("Read AC97 reg 0x%x got 0x%x\n", reg, rptr.retwords[1]);
1781         return rptr.retwords[1];
1782 }
1783
1784 static int snd_riptide_initialize(struct snd_riptide *chip)
1785 {
1786         struct cmdif *cif;
1787         unsigned int device_id;
1788         int err;
1789
1790         if (snd_BUG_ON(!chip))
1791                 return -EINVAL;
1792
1793         cif = chip->cif;
1794         if (!cif) {
1795                 if ((cif = kzalloc(sizeof(struct cmdif), GFP_KERNEL)) == NULL)
1796                         return -ENOMEM;
1797                 cif->hwport = (struct riptideport *)chip->port;
1798                 spin_lock_init(&cif->lock);
1799                 chip->cif = cif;
1800         }
1801         cif->is_reset = 0;
1802         if ((err = riptide_reset(cif, chip)) != 0)
1803                 return err;
1804         device_id = chip->device_id;
1805         switch (device_id) {
1806         case 0x4310:
1807         case 0x4320:
1808         case 0x4330:
1809                 snd_printdd("Modem enable?\n");
1810                 SEND_SETDPLL(cif);
1811                 break;
1812         }
1813         snd_printdd("Enabling MPU IRQs\n");
1814         if (chip->rmidi)
1815                 SET_EMPUIRQ(cif->hwport);
1816         return err;
1817 }
1818
1819 static int snd_riptide_free(struct snd_riptide *chip)
1820 {
1821         struct cmdif *cif;
1822
1823         if (!chip)
1824                 return 0;
1825
1826         if ((cif = chip->cif)) {
1827                 SET_GRESET(cif->hwport);
1828                 udelay(100);
1829                 UNSET_GRESET(cif->hwport);
1830                 kfree(chip->cif);
1831         }
1832         if (chip->irq >= 0)
1833                 free_irq(chip->irq, chip);
1834         if (chip->fw_entry)
1835                 release_firmware(chip->fw_entry);
1836         release_and_free_resource(chip->res_port);
1837         kfree(chip);
1838         return 0;
1839 }
1840
1841 static int snd_riptide_dev_free(struct snd_device *device)
1842 {
1843         struct snd_riptide *chip = device->device_data;
1844
1845         return snd_riptide_free(chip);
1846 }
1847
1848 static int __devinit
1849 snd_riptide_create(struct snd_card *card, struct pci_dev *pci,
1850                    struct snd_riptide **rchip)
1851 {
1852         struct snd_riptide *chip;
1853         struct riptideport *hwport;
1854         int err;
1855         static struct snd_device_ops ops = {
1856                 .dev_free = snd_riptide_dev_free,
1857         };
1858
1859         *rchip = NULL;
1860         if ((err = pci_enable_device(pci)) < 0)
1861                 return err;
1862         if (!(chip = kzalloc(sizeof(struct snd_riptide), GFP_KERNEL)))
1863                 return -ENOMEM;
1864
1865         spin_lock_init(&chip->lock);
1866         chip->card = card;
1867         chip->pci = pci;
1868         chip->irq = -1;
1869         chip->openstreams = 0;
1870         chip->port = pci_resource_start(pci, 0);
1871         chip->received_irqs = 0;
1872         chip->handled_irqs = 0;
1873         chip->cif = NULL;
1874         tasklet_init(&chip->riptide_tq, riptide_handleirq, (unsigned long)chip);
1875
1876         if ((chip->res_port =
1877              request_region(chip->port, 64, "RIPTIDE")) == NULL) {
1878                 snd_printk(KERN_ERR
1879                            "Riptide: unable to grab region 0x%lx-0x%lx\n",
1880                            chip->port, chip->port + 64 - 1);
1881                 snd_riptide_free(chip);
1882                 return -EBUSY;
1883         }
1884         hwport = (struct riptideport *)chip->port;
1885         UNSET_AIE(hwport);
1886
1887         if (request_irq(pci->irq, snd_riptide_interrupt, IRQF_SHARED,
1888                         "RIPTIDE", chip)) {
1889                 snd_printk(KERN_ERR "Riptide: unable to grab IRQ %d\n",
1890                            pci->irq);
1891                 snd_riptide_free(chip);
1892                 return -EBUSY;
1893         }
1894         chip->irq = pci->irq;
1895         chip->device_id = pci->device;
1896         pci_set_master(pci);
1897         if ((err = snd_riptide_initialize(chip)) < 0) {
1898                 snd_riptide_free(chip);
1899                 return err;
1900         }
1901
1902         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1903                 snd_riptide_free(chip);
1904                 return err;
1905         }
1906
1907         snd_card_set_dev(card, &pci->dev);
1908
1909         *rchip = chip;
1910         return 0;
1911 }
1912
1913 static void
1914 snd_riptide_proc_read(struct snd_info_entry *entry,
1915                       struct snd_info_buffer *buffer)
1916 {
1917         struct snd_riptide *chip = entry->private_data;
1918         struct pcmhw *data;
1919         int i;
1920         struct cmdif *cif = NULL;
1921         unsigned char p[256];
1922         unsigned short rval = 0, lval = 0;
1923         unsigned int rate;
1924
1925         if (!chip)
1926                 return;
1927
1928         snd_iprintf(buffer, "%s\n\n", chip->card->longname);
1929         snd_iprintf(buffer, "Device ID: 0x%x\nReceived IRQs: (%ld)%ld\nPorts:",
1930                     chip->device_id, chip->handled_irqs, chip->received_irqs);
1931         for (i = 0; i < 64; i += 4)
1932                 snd_iprintf(buffer, "%c%02x: %08x",
1933                             (i % 16) ? ' ' : '\n', i, inl(chip->port + i));
1934         if ((cif = chip->cif)) {
1935                 snd_iprintf(buffer,
1936                             "\nVersion: ASIC: %d CODEC: %d AUXDSP: %d PROG: %d",
1937                             chip->firmware.firmware.ASIC,
1938                             chip->firmware.firmware.CODEC,
1939                             chip->firmware.firmware.AUXDSP,
1940                             chip->firmware.firmware.PROG);
1941                 snd_iprintf(buffer, "\nDigital mixer:");
1942                 for (i = 0; i < 12; i++) {
1943                         getmixer(cif, i, &rval, &lval);
1944                         snd_iprintf(buffer, "\n %d: %d %d", i, rval, lval);
1945                 }
1946                 snd_iprintf(buffer,
1947                             "\nARM Commands num: %d failed: %d time: %d max: %d min: %d",
1948                             cif->cmdcnt, cif->errcnt,
1949                             cif->cmdtime, cif->cmdtimemax, cif->cmdtimemin);
1950         }
1951         snd_iprintf(buffer, "\nOpen streams %d:\n", chip->openstreams);
1952         for (i = 0; i < PLAYBACK_SUBSTREAMS; i++) {
1953                 if (chip->playback_substream[i]
1954                     && chip->playback_substream[i]->runtime
1955                     && (data =
1956                         chip->playback_substream[i]->runtime->private_data)) {
1957                         snd_iprintf(buffer,
1958                                     "stream: %d mixer: %d source: %d (%d,%d)\n",
1959                                     data->id, data->mixer, data->source,
1960                                     data->intdec[0], data->intdec[1]);
1961                         if (!(getsamplerate(cif, data->intdec, &rate)))
1962                                 snd_iprintf(buffer, "rate: %d\n", rate);
1963                 }
1964         }
1965         if (chip->capture_substream
1966             && chip->capture_substream->runtime
1967             && (data = chip->capture_substream->runtime->private_data)) {
1968                 snd_iprintf(buffer,
1969                             "stream: %d mixer: %d source: %d (%d,%d)\n",
1970                             data->id, data->mixer,
1971                             data->source, data->intdec[0], data->intdec[1]);
1972                 if (!(getsamplerate(cif, data->intdec, &rate)))
1973                         snd_iprintf(buffer, "rate: %d\n", rate);
1974         }
1975         snd_iprintf(buffer, "Paths:\n");
1976         i = getpaths(cif, p);
1977         while (i--) {
1978                 snd_iprintf(buffer, "%x->%x ", p[i - 1], p[i]);
1979                 i--;
1980         }
1981         snd_iprintf(buffer, "\n");
1982 }
1983
1984 static void __devinit snd_riptide_proc_init(struct snd_riptide *chip)
1985 {
1986         struct snd_info_entry *entry;
1987
1988         if (!snd_card_proc_new(chip->card, "riptide", &entry))
1989                 snd_info_set_text_ops(entry, chip, snd_riptide_proc_read);
1990 }
1991
1992 static int __devinit snd_riptide_mixer(struct snd_riptide *chip)
1993 {
1994         struct snd_ac97_bus *pbus;
1995         struct snd_ac97_template ac97;
1996         int err = 0;
1997         static struct snd_ac97_bus_ops ops = {
1998                 .write = snd_riptide_codec_write,
1999                 .read = snd_riptide_codec_read,
2000         };
2001
2002         memset(&ac97, 0, sizeof(ac97));
2003         ac97.private_data = chip;
2004         ac97.scaps = AC97_SCAP_SKIP_MODEM;
2005
2006         if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0)
2007                 return err;
2008
2009         chip->ac97_bus = pbus;
2010         ac97.pci = chip->pci;
2011         if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97)) < 0)
2012                 return err;
2013         return err;
2014 }
2015
2016 #ifdef SUPPORT_JOYSTICK
2017
2018 static int __devinit
2019 snd_riptide_joystick_probe(struct pci_dev *pci, const struct pci_device_id *id)
2020 {
2021         static int dev;
2022         struct gameport *gameport;
2023
2024         if (dev >= SNDRV_CARDS)
2025                 return -ENODEV;
2026         if (!enable[dev]) {
2027                 dev++;
2028                 return -ENOENT;
2029         }
2030
2031         if (!joystick_port[dev++])
2032                 return 0;
2033
2034         gameport = gameport_allocate_port();
2035         if (!gameport)
2036                 return -ENOMEM;
2037         if (!request_region(joystick_port[dev], 8, "Riptide gameport")) {
2038                 snd_printk(KERN_WARNING
2039                            "Riptide: cannot grab gameport 0x%x\n",
2040                            joystick_port[dev]);
2041                 gameport_free_port(gameport);
2042                 return -EBUSY;
2043         }
2044
2045         gameport->io = joystick_port[dev];
2046         gameport_register_port(gameport);
2047         pci_set_drvdata(pci, gameport);
2048         return 0;
2049 }
2050
2051 static void __devexit snd_riptide_joystick_remove(struct pci_dev *pci)
2052 {
2053         struct gameport *gameport = pci_get_drvdata(pci);
2054         if (gameport) {
2055                 release_region(gameport->io, 8);
2056                 gameport_unregister_port(gameport);
2057                 pci_set_drvdata(pci, NULL);
2058         }
2059 }
2060 #endif
2061
2062 static int __devinit
2063 snd_card_riptide_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2064 {
2065         static int dev;
2066         struct snd_card *card;
2067         struct snd_riptide *chip;
2068         unsigned short val;
2069         int err;
2070
2071         if (dev >= SNDRV_CARDS)
2072                 return -ENODEV;
2073         if (!enable[dev]) {
2074                 dev++;
2075                 return -ENOENT;
2076         }
2077
2078         err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
2079         if (err < 0)
2080                 return err;
2081         err = snd_riptide_create(card, pci, &chip);
2082         if (err < 0)
2083                 goto error;
2084         card->private_data = chip;
2085         err = snd_riptide_pcm(chip, 0, NULL);
2086         if (err < 0)
2087                 goto error;
2088         err = snd_riptide_mixer(chip);
2089         if (err < 0)
2090                 goto error;
2091
2092         val = LEGACY_ENABLE_ALL;
2093         if (opl3_port[dev])
2094                 val |= LEGACY_ENABLE_FM;
2095 #ifdef SUPPORT_JOYSTICK
2096         if (joystick_port[dev])
2097                 val |= LEGACY_ENABLE_GAMEPORT;
2098 #endif
2099         if (mpu_port[dev])
2100                 val |= LEGACY_ENABLE_MPU_INT | LEGACY_ENABLE_MPU;
2101         val |= (chip->irq << 4) & 0xf0;
2102         pci_write_config_word(chip->pci, PCI_EXT_Legacy_Mask, val);
2103         if (mpu_port[dev]) {
2104                 val = mpu_port[dev];
2105                 pci_write_config_word(chip->pci, PCI_EXT_MPU_Base, val);
2106                 err = snd_mpu401_uart_new(card, 0, MPU401_HW_RIPTIDE,
2107                                           val, 0, chip->irq, 0,
2108                                           &chip->rmidi);
2109                 if (err < 0)
2110                         snd_printk(KERN_WARNING
2111                                    "Riptide: Can't Allocate MPU at 0x%x\n",
2112                                    val);
2113                 else
2114                         chip->mpuaddr = val;
2115         }
2116         if (opl3_port[dev]) {
2117                 val = opl3_port[dev];
2118                 pci_write_config_word(chip->pci, PCI_EXT_FM_Base, val);
2119                 err = snd_opl3_create(card, val, val + 2,
2120                                       OPL3_HW_RIPTIDE, 0, &chip->opl3);
2121                 if (err < 0)
2122                         snd_printk(KERN_WARNING
2123                                    "Riptide: Can't Allocate OPL3 at 0x%x\n",
2124                                    val);
2125                 else {
2126                         chip->opladdr = val;
2127                         err = snd_opl3_hwdep_new(chip->opl3, 0, 1, NULL);
2128                         if (err < 0)
2129                                 snd_printk(KERN_WARNING
2130                                            "Riptide: Can't Allocate OPL3-HWDEP\n");
2131                 }
2132         }
2133 #ifdef SUPPORT_JOYSTICK
2134         if (joystick_port[dev]) {
2135                 val = joystick_port[dev];
2136                 pci_write_config_word(chip->pci, PCI_EXT_Game_Base, val);
2137                 chip->gameaddr = val;
2138         }
2139 #endif
2140
2141         strcpy(card->driver, "RIPTIDE");
2142         strcpy(card->shortname, "Riptide");
2143 #ifdef SUPPORT_JOYSTICK
2144         snprintf(card->longname, sizeof(card->longname),
2145                  "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x gameport 0x%x",
2146                  card->shortname, chip->port, chip->irq, chip->mpuaddr,
2147                  chip->opladdr, chip->gameaddr);
2148 #else
2149         snprintf(card->longname, sizeof(card->longname),
2150                  "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x",
2151                  card->shortname, chip->port, chip->irq, chip->mpuaddr,
2152                  chip->opladdr);
2153 #endif
2154         snd_riptide_proc_init(chip);
2155         err = snd_card_register(card);
2156         if (err < 0)
2157                 goto error;
2158         pci_set_drvdata(pci, card);
2159         dev++;
2160         return 0;
2161
2162  error:
2163         snd_card_free(card);
2164         return err;
2165 }
2166
2167 static void __devexit snd_card_riptide_remove(struct pci_dev *pci)
2168 {
2169         snd_card_free(pci_get_drvdata(pci));
2170         pci_set_drvdata(pci, NULL);
2171 }
2172
2173 static struct pci_driver driver = {
2174         .name = "RIPTIDE",
2175         .id_table = snd_riptide_ids,
2176         .probe = snd_card_riptide_probe,
2177         .remove = __devexit_p(snd_card_riptide_remove),
2178 #ifdef CONFIG_PM
2179         .suspend = riptide_suspend,
2180         .resume = riptide_resume,
2181 #endif
2182 };
2183
2184 #ifdef SUPPORT_JOYSTICK
2185 static struct pci_driver joystick_driver = {
2186         .name = "Riptide Joystick",
2187         .id_table = snd_riptide_joystick_ids,
2188         .probe = snd_riptide_joystick_probe,
2189         .remove = __devexit_p(snd_riptide_joystick_remove),
2190 };
2191 #endif
2192
2193 static int __init alsa_card_riptide_init(void)
2194 {
2195         int err;
2196         err = pci_register_driver(&driver);
2197         if (err < 0)
2198                 return err;
2199 #if defined(SUPPORT_JOYSTICK)
2200         pci_register_driver(&joystick_driver);
2201 #endif
2202         return 0;
2203 }
2204
2205 static void __exit alsa_card_riptide_exit(void)
2206 {
2207         pci_unregister_driver(&driver);
2208 #if defined(SUPPORT_JOYSTICK)
2209         pci_unregister_driver(&joystick_driver);
2210 #endif
2211 }
2212
2213 module_init(alsa_card_riptide_init);
2214 module_exit(alsa_card_riptide_exit);