GNU Linux-libre 5.10.217-gnu1
[releases.git] / sound / pci / riptide / riptide.c
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *   Driver for the Conexant Riptide Soundchip
4  *
5  *      Copyright (c) 2004 Peter Gruber <nokos@gmx.net>
6  */
7 /*
8   History:
9    - 02/15/2004 first release
10    
11   This Driver is based on the OSS Driver version from Linuxant (riptide-0.6lnxtbeta03111100)
12   credits from the original files:
13   
14   MODULE NAME:        cnxt_rt.h                       
15   AUTHOR:             K. Lazarev  (Transcribed by KNL)
16   HISTORY:         Major Revision               Date        By
17             -----------------------------     --------     -----
18             Created                           02/1/2000     KNL
19
20   MODULE NAME:     int_mdl.c                       
21   AUTHOR:          Konstantin Lazarev    (Transcribed by KNL)
22   HISTORY:         Major Revision               Date        By
23             -----------------------------     --------     -----
24             Created                           10/01/99      KNL
25             
26   MODULE NAME:        riptide.h                       
27   AUTHOR:             O. Druzhinin  (Transcribed by OLD)
28   HISTORY:         Major Revision               Date        By
29             -----------------------------     --------     -----
30             Created                           10/16/97      OLD
31
32   MODULE NAME:        Rp_Cmdif.cpp                       
33   AUTHOR:             O. Druzhinin  (Transcribed by OLD)
34                       K. Lazarev    (Transcribed by KNL)
35   HISTORY:         Major Revision               Date        By
36             -----------------------------     --------     -----
37             Adopted from NT4 driver            6/22/99      OLD
38             Ported to Linux                    9/01/99      KNL
39
40   MODULE NAME:        rt_hw.c                       
41   AUTHOR:             O. Druzhinin  (Transcribed by OLD)
42                       C. Lazarev    (Transcribed by CNL)
43   HISTORY:         Major Revision               Date        By
44             -----------------------------     --------     -----
45             Created                           11/18/97      OLD
46             Hardware functions for RipTide    11/24/97      CNL
47             (ES1) are coded
48             Hardware functions for RipTide    12/24/97      CNL
49             (A0) are coded
50             Hardware functions for RipTide    03/20/98      CNL
51             (A1) are coded
52             Boot loader is included           05/07/98      CNL
53             Redesigned for WDM                07/27/98      CNL
54             Redesigned for Linux              09/01/99      CNL
55
56   MODULE NAME:        rt_hw.h
57   AUTHOR:             C. Lazarev    (Transcribed by CNL)
58   HISTORY:         Major Revision               Date        By
59             -----------------------------     --------     -----
60             Created                           11/18/97      CNL
61
62   MODULE NAME:     rt_mdl.c                       
63   AUTHOR:          Konstantin Lazarev    (Transcribed by KNL)
64   HISTORY:         Major Revision               Date        By
65             -----------------------------     --------     -----
66             Created                           10/01/99      KNL
67
68   MODULE NAME:        mixer.h                        
69   AUTHOR:             K. Kenney
70   HISTORY:         Major Revision                   Date          By
71             -----------------------------          --------     -----
72             Created from MS W95 Sample             11/28/95      KRS
73             RipTide                                10/15/97      KRS
74             Adopted for Windows NT driver          01/20/98      CNL
75 */
76
77 #include <linux/delay.h>
78 #include <linux/init.h>
79 #include <linux/interrupt.h>
80 #include <linux/pci.h>
81 #include <linux/slab.h>
82 #include <linux/wait.h>
83 #include <linux/gameport.h>
84 #include <linux/device.h>
85 #include <linux/firmware.h>
86 #include <linux/kernel.h>
87 #include <linux/module.h>
88 #include <linux/io.h>
89 #include <sound/core.h>
90 #include <sound/info.h>
91 #include <sound/control.h>
92 #include <sound/pcm.h>
93 #include <sound/pcm_params.h>
94 #include <sound/ac97_codec.h>
95 #include <sound/mpu401.h>
96 #include <sound/opl3.h>
97 #include <sound/initval.h>
98
99 #if IS_REACHABLE(CONFIG_GAMEPORT)
100 #define SUPPORT_JOYSTICK 1
101 #endif
102
103 MODULE_AUTHOR("Peter Gruber <nokos@gmx.net>");
104 MODULE_DESCRIPTION("riptide");
105 MODULE_LICENSE("GPL");
106 MODULE_SUPPORTED_DEVICE("{{Conexant,Riptide}}");
107 /*(DEBLOBBED)*/
108
109 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
110 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
111 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
112
113 #ifdef SUPPORT_JOYSTICK
114 static int joystick_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x200 };
115 #endif
116 static int mpu_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x330 };
117 static int opl3_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x388 };
118
119 module_param_array(index, int, NULL, 0444);
120 MODULE_PARM_DESC(index, "Index value for Riptide soundcard.");
121 module_param_array(id, charp, NULL, 0444);
122 MODULE_PARM_DESC(id, "ID string for Riptide soundcard.");
123 module_param_array(enable, bool, NULL, 0444);
124 MODULE_PARM_DESC(enable, "Enable Riptide soundcard.");
125 #ifdef SUPPORT_JOYSTICK
126 module_param_hw_array(joystick_port, int, ioport, NULL, 0444);
127 MODULE_PARM_DESC(joystick_port, "Joystick port # for Riptide soundcard.");
128 #endif
129 module_param_hw_array(mpu_port, int, ioport, NULL, 0444);
130 MODULE_PARM_DESC(mpu_port, "MPU401 port # for Riptide driver.");
131 module_param_hw_array(opl3_port, int, ioport, NULL, 0444);
132 MODULE_PARM_DESC(opl3_port, "OPL3 port # for Riptide driver.");
133
134 /*
135  */
136
137 #define MPU401_HW_RIPTIDE MPU401_HW_MPU401
138 #define OPL3_HW_RIPTIDE   OPL3_HW_OPL3
139
140 #define PCI_EXT_CapId       0x40
141 #define PCI_EXT_NextCapPrt  0x41
142 #define PCI_EXT_PWMC        0x42
143 #define PCI_EXT_PWSCR       0x44
144 #define PCI_EXT_Data00      0x46
145 #define PCI_EXT_PMSCR_BSE   0x47
146 #define PCI_EXT_SB_Base     0x48
147 #define PCI_EXT_FM_Base     0x4a
148 #define PCI_EXT_MPU_Base    0x4C
149 #define PCI_EXT_Game_Base   0x4E
150 #define PCI_EXT_Legacy_Mask 0x50
151 #define PCI_EXT_AsicRev     0x52
152 #define PCI_EXT_Reserved3   0x53
153
154 #define LEGACY_ENABLE_ALL      0x8000   /* legacy device options */
155 #define LEGACY_ENABLE_SB       0x4000
156 #define LEGACY_ENABLE_FM       0x2000
157 #define LEGACY_ENABLE_MPU_INT  0x1000
158 #define LEGACY_ENABLE_MPU      0x0800
159 #define LEGACY_ENABLE_GAMEPORT 0x0400
160
161 #define MAX_WRITE_RETRY  10     /* cmd interface limits */
162 #define MAX_ERROR_COUNT  10
163 #define CMDIF_TIMEOUT    50000
164 #define RESET_TRIES      5
165
166 #define READ_PORT_ULONG(p)     inl((unsigned long)&(p))
167 #define WRITE_PORT_ULONG(p,x)  outl(x,(unsigned long)&(p))
168
169 #define READ_AUDIO_CONTROL(p)     READ_PORT_ULONG(p->audio_control)
170 #define WRITE_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,x)
171 #define UMASK_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)|x)
172 #define MASK_AUDIO_CONTROL(p,x)   WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)&x)
173 #define READ_AUDIO_STATUS(p)      READ_PORT_ULONG(p->audio_status)
174
175 #define SET_GRESET(p)     UMASK_AUDIO_CONTROL(p,0x0001) /* global reset switch */
176 #define UNSET_GRESET(p)   MASK_AUDIO_CONTROL(p,~0x0001)
177 #define SET_AIE(p)        UMASK_AUDIO_CONTROL(p,0x0004) /* interrupt enable */
178 #define UNSET_AIE(p)      MASK_AUDIO_CONTROL(p,~0x0004)
179 #define SET_AIACK(p)      UMASK_AUDIO_CONTROL(p,0x0008) /* interrupt acknowledge */
180 #define UNSET_AIACKT(p)   MASKAUDIO_CONTROL(p,~0x0008)
181 #define SET_ECMDAE(p)     UMASK_AUDIO_CONTROL(p,0x0010)
182 #define UNSET_ECMDAE(p)   MASK_AUDIO_CONTROL(p,~0x0010)
183 #define SET_ECMDBE(p)     UMASK_AUDIO_CONTROL(p,0x0020)
184 #define UNSET_ECMDBE(p)   MASK_AUDIO_CONTROL(p,~0x0020)
185 #define SET_EDATAF(p)     UMASK_AUDIO_CONTROL(p,0x0040)
186 #define UNSET_EDATAF(p)   MASK_AUDIO_CONTROL(p,~0x0040)
187 #define SET_EDATBF(p)     UMASK_AUDIO_CONTROL(p,0x0080)
188 #define UNSET_EDATBF(p)   MASK_AUDIO_CONTROL(p,~0x0080)
189 #define SET_ESBIRQON(p)   UMASK_AUDIO_CONTROL(p,0x0100)
190 #define UNSET_ESBIRQON(p) MASK_AUDIO_CONTROL(p,~0x0100)
191 #define SET_EMPUIRQ(p)    UMASK_AUDIO_CONTROL(p,0x0200)
192 #define UNSET_EMPUIRQ(p)  MASK_AUDIO_CONTROL(p,~0x0200)
193 #define IS_CMDE(a)        (READ_PORT_ULONG(a->stat)&0x1)        /* cmd empty */
194 #define IS_DATF(a)        (READ_PORT_ULONG(a->stat)&0x2)        /* data filled */
195 #define IS_READY(p)       (READ_AUDIO_STATUS(p)&0x0001)
196 #define IS_DLREADY(p)     (READ_AUDIO_STATUS(p)&0x0002)
197 #define IS_DLERR(p)       (READ_AUDIO_STATUS(p)&0x0004)
198 #define IS_GERR(p)        (READ_AUDIO_STATUS(p)&0x0008) /* error ! */
199 #define IS_CMDAEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0010)
200 #define IS_CMDBEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0020)
201 #define IS_DATAFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0040)
202 #define IS_DATBFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0080)
203 #define IS_EOBIRQ(p)      (READ_AUDIO_STATUS(p)&0x0100) /* interrupt status */
204 #define IS_EOSIRQ(p)      (READ_AUDIO_STATUS(p)&0x0200)
205 #define IS_EOCIRQ(p)      (READ_AUDIO_STATUS(p)&0x0400)
206 #define IS_UNSLIRQ(p)     (READ_AUDIO_STATUS(p)&0x0800)
207 #define IS_SBIRQ(p)       (READ_AUDIO_STATUS(p)&0x1000)
208 #define IS_MPUIRQ(p)      (READ_AUDIO_STATUS(p)&0x2000)
209
210 #define RESP 0x00000001         /* command flags */
211 #define PARM 0x00000002
212 #define CMDA 0x00000004
213 #define CMDB 0x00000008
214 #define NILL 0x00000000
215
216 #define LONG0(a)   ((u32)a)     /* shifts and masks */
217 #define BYTE0(a)   (LONG0(a)&0xff)
218 #define BYTE1(a)   (BYTE0(a)<<8)
219 #define BYTE2(a)   (BYTE0(a)<<16)
220 #define BYTE3(a)   (BYTE0(a)<<24)
221 #define WORD0(a)   (LONG0(a)&0xffff)
222 #define WORD1(a)   (WORD0(a)<<8)
223 #define WORD2(a)   (WORD0(a)<<16)
224 #define TRINIB0(a) (LONG0(a)&0xffffff)
225 #define TRINIB1(a) (TRINIB0(a)<<8)
226
227 #define RET(a)     ((union cmdret *)(a))
228
229 #define SEND_GETV(p,b)             sendcmd(p,RESP,GETV,0,RET(b))        /* get version */
230 #define SEND_GETC(p,b,c)           sendcmd(p,PARM|RESP,GETC,c,RET(b))
231 #define SEND_GUNS(p,b)             sendcmd(p,RESP,GUNS,0,RET(b))
232 #define SEND_SCID(p,b)             sendcmd(p,RESP,SCID,0,RET(b))
233 #define SEND_RMEM(p,b,c,d)         sendcmd(p,PARM|RESP,RMEM|BYTE1(b),LONG0(c),RET(d))   /* memory access for firmware write */
234 #define SEND_SMEM(p,b,c)           sendcmd(p,PARM,SMEM|BYTE1(b),LONG0(c),RET(0))        /* memory access for firmware write */
235 #define SEND_WMEM(p,b,c)           sendcmd(p,PARM,WMEM|BYTE1(b),LONG0(c),RET(0))        /* memory access for firmware write */
236 #define SEND_SDTM(p,b,c)           sendcmd(p,PARM|RESP,SDTM|TRINIB1(b),0,RET(c))        /* memory access for firmware write */
237 #define SEND_GOTO(p,b)             sendcmd(p,PARM,GOTO,LONG0(b),RET(0)) /* memory access for firmware write */
238 #define SEND_SETDPLL(p)            sendcmd(p,0,ARM_SETDPLL,0,RET(0))
239 #define SEND_SSTR(p,b,c)           sendcmd(p,PARM,SSTR|BYTE3(b),LONG0(c),RET(0))        /* start stream */
240 #define SEND_PSTR(p,b)             sendcmd(p,PARM,PSTR,BYTE3(b),RET(0)) /* pause stream */
241 #define SEND_KSTR(p,b)             sendcmd(p,PARM,KSTR,BYTE3(b),RET(0)) /* stop stream */
242 #define SEND_KDMA(p)               sendcmd(p,0,KDMA,0,RET(0))   /* stop all dma */
243 #define SEND_GPOS(p,b,c,d)         sendcmd(p,PARM|RESP,GPOS,BYTE3(c)|BYTE2(b),RET(d))   /* get position in dma */
244 #define SEND_SETF(p,b,c,d,e,f,g)   sendcmd(p,PARM,SETF|WORD1(b)|BYTE3(c),d|BYTE1(e)|BYTE2(f)|BYTE3(g),RET(0))   /* set sample format at mixer */
245 #define SEND_GSTS(p,b,c,d)         sendcmd(p,PARM|RESP,GSTS,BYTE3(c)|BYTE2(b),RET(d))
246 #define SEND_NGPOS(p,b,c,d)        sendcmd(p,PARM|RESP,NGPOS,BYTE3(c)|BYTE2(b),RET(d))
247 #define SEND_PSEL(p,b,c)           sendcmd(p,PARM,PSEL,BYTE2(b)|BYTE3(c),RET(0))        /* activate lbus path */
248 #define SEND_PCLR(p,b,c)           sendcmd(p,PARM,PCLR,BYTE2(b)|BYTE3(c),RET(0))        /* deactivate lbus path */
249 #define SEND_PLST(p,b)             sendcmd(p,PARM,PLST,BYTE3(b),RET(0))
250 #define SEND_RSSV(p,b,c,d)         sendcmd(p,PARM|RESP,RSSV,BYTE2(b)|BYTE3(c),RET(d))
251 #define SEND_LSEL(p,b,c,d,e,f,g,h) sendcmd(p,PARM,LSEL|BYTE1(b)|BYTE2(c)|BYTE3(d),BYTE0(e)|BYTE1(f)|BYTE2(g)|BYTE3(h),RET(0))   /* select paths for internal connections */
252 #define SEND_SSRC(p,b,c,d,e)       sendcmd(p,PARM,SSRC|BYTE1(b)|WORD2(c),WORD0(d)|WORD2(e),RET(0))      /* configure source */
253 #define SEND_SLST(p,b)             sendcmd(p,PARM,SLST,BYTE3(b),RET(0))
254 #define SEND_RSRC(p,b,c)           sendcmd(p,RESP,RSRC|BYTE1(b),0,RET(c))       /* read source config */
255 #define SEND_SSRB(p,b,c)           sendcmd(p,PARM,SSRB|BYTE1(b),WORD2(c),RET(0))
256 #define SEND_SDGV(p,b,c,d,e)       sendcmd(p,PARM,SDGV|BYTE2(b)|BYTE3(c),WORD0(d)|WORD2(e),RET(0))      /* set digital mixer */
257 #define SEND_RDGV(p,b,c,d)         sendcmd(p,PARM|RESP,RDGV|BYTE2(b)|BYTE3(c),0,RET(d)) /* read digital mixer */
258 #define SEND_DLST(p,b)             sendcmd(p,PARM,DLST,BYTE3(b),RET(0))
259 #define SEND_SACR(p,b,c)           sendcmd(p,PARM,SACR,WORD0(b)|WORD2(c),RET(0))        /* set AC97 register */
260 #define SEND_RACR(p,b,c)           sendcmd(p,PARM|RESP,RACR,WORD2(b),RET(c))    /* get AC97 register */
261 #define SEND_ALST(p,b)             sendcmd(p,PARM,ALST,BYTE3(b),RET(0))
262 #define SEND_TXAC(p,b,c,d,e,f)     sendcmd(p,PARM,TXAC|BYTE1(b)|WORD2(c),WORD0(d)|BYTE2(e)|BYTE3(f),RET(0))
263 #define SEND_RXAC(p,b,c,d)         sendcmd(p,PARM|RESP,RXAC,BYTE2(b)|BYTE3(c),RET(d))
264 #define SEND_SI2S(p,b)             sendcmd(p,PARM,SI2S,WORD2(b),RET(0))
265
266 #define EOB_STATUS         0x80000000   /* status flags : block boundary */
267 #define EOS_STATUS         0x40000000   /*              : stoppped */
268 #define EOC_STATUS         0x20000000   /*              : stream end */
269 #define ERR_STATUS         0x10000000
270 #define EMPTY_STATUS       0x08000000
271
272 #define IEOB_ENABLE        0x1  /* enable interrupts for status notification above */
273 #define IEOS_ENABLE        0x2
274 #define IEOC_ENABLE        0x4
275 #define RDONCE             0x8
276 #define DESC_MAX_MASK      0xff
277
278 #define ST_PLAY  0x1            /* stream states */
279 #define ST_STOP  0x2
280 #define ST_PAUSE 0x4
281
282 #define I2S_INTDEC     3        /* config for I2S link */
283 #define I2S_MERGER     0
284 #define I2S_SPLITTER   0
285 #define I2S_MIXER      7
286 #define I2S_RATE       44100
287
288 #define MODEM_INTDEC   4        /* config for modem link */
289 #define MODEM_MERGER   3
290 #define MODEM_SPLITTER 0
291 #define MODEM_MIXER    11
292
293 #define FM_INTDEC      3        /* config for FM/OPL3 link */
294 #define FM_MERGER      0
295 #define FM_SPLITTER    0
296 #define FM_MIXER       9
297
298 #define SPLIT_PATH  0x80        /* path splitting flag */
299
300 enum FIRMWARE {
301         DATA_REC = 0, EXT_END_OF_FILE, EXT_SEG_ADDR_REC, EXT_GOTO_CMD_REC,
302         EXT_LIN_ADDR_REC,
303 };
304
305 enum CMDS {
306         GETV = 0x00, GETC, GUNS, SCID, RMEM =
307             0x10, SMEM, WMEM, SDTM, GOTO, SSTR =
308             0x20, PSTR, KSTR, KDMA, GPOS, SETF, GSTS, NGPOS, PSEL =
309             0x30, PCLR, PLST, RSSV, LSEL, SSRC = 0x40, SLST, RSRC, SSRB, SDGV =
310             0x50, RDGV, DLST, SACR = 0x60, RACR, ALST, TXAC, RXAC, SI2S =
311             0x70, ARM_SETDPLL = 0x72,
312 };
313
314 enum E1SOURCE {
315         ARM2LBUS_FIFO0 = 0, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2, ARM2LBUS_FIFO3,
316         ARM2LBUS_FIFO4, ARM2LBUS_FIFO5, ARM2LBUS_FIFO6, ARM2LBUS_FIFO7,
317         ARM2LBUS_FIFO8, ARM2LBUS_FIFO9, ARM2LBUS_FIFO10, ARM2LBUS_FIFO11,
318         ARM2LBUS_FIFO12, ARM2LBUS_FIFO13, ARM2LBUS_FIFO14, ARM2LBUS_FIFO15,
319         INTER0_OUT, INTER1_OUT, INTER2_OUT, INTER3_OUT, INTER4_OUT,
320         INTERM0_OUT, INTERM1_OUT, INTERM2_OUT, INTERM3_OUT, INTERM4_OUT,
321         INTERM5_OUT, INTERM6_OUT, DECIMM0_OUT, DECIMM1_OUT, DECIMM2_OUT,
322         DECIMM3_OUT, DECIM0_OUT, SR3_4_OUT, OPL3_SAMPLE, ASRC0, ASRC1,
323         ACLNK2PADC, ACLNK2MODEM0RX, ACLNK2MIC, ACLNK2MODEM1RX, ACLNK2HNDMIC,
324         DIGITAL_MIXER_OUT0, GAINFUNC0_OUT, GAINFUNC1_OUT, GAINFUNC2_OUT,
325         GAINFUNC3_OUT, GAINFUNC4_OUT, SOFTMODEMTX, SPLITTER0_OUTL,
326         SPLITTER0_OUTR, SPLITTER1_OUTL, SPLITTER1_OUTR, SPLITTER2_OUTL,
327         SPLITTER2_OUTR, SPLITTER3_OUTL, SPLITTER3_OUTR, MERGER0_OUT,
328         MERGER1_OUT, MERGER2_OUT, MERGER3_OUT, ARM2LBUS_FIFO_DIRECT, NO_OUT
329 };
330
331 enum E2SINK {
332         LBUS2ARM_FIFO0 = 0, LBUS2ARM_FIFO1, LBUS2ARM_FIFO2, LBUS2ARM_FIFO3,
333         LBUS2ARM_FIFO4, LBUS2ARM_FIFO5, LBUS2ARM_FIFO6, LBUS2ARM_FIFO7,
334         INTER0_IN, INTER1_IN, INTER2_IN, INTER3_IN, INTER4_IN, INTERM0_IN,
335         INTERM1_IN, INTERM2_IN, INTERM3_IN, INTERM4_IN, INTERM5_IN, INTERM6_IN,
336         DECIMM0_IN, DECIMM1_IN, DECIMM2_IN, DECIMM3_IN, DECIM0_IN, SR3_4_IN,
337         PDAC2ACLNK, MODEM0TX2ACLNK, MODEM1TX2ACLNK, HNDSPK2ACLNK,
338         DIGITAL_MIXER_IN0, DIGITAL_MIXER_IN1, DIGITAL_MIXER_IN2,
339         DIGITAL_MIXER_IN3, DIGITAL_MIXER_IN4, DIGITAL_MIXER_IN5,
340         DIGITAL_MIXER_IN6, DIGITAL_MIXER_IN7, DIGITAL_MIXER_IN8,
341         DIGITAL_MIXER_IN9, DIGITAL_MIXER_IN10, DIGITAL_MIXER_IN11,
342         GAINFUNC0_IN, GAINFUNC1_IN, GAINFUNC2_IN, GAINFUNC3_IN, GAINFUNC4_IN,
343         SOFTMODEMRX, SPLITTER0_IN, SPLITTER1_IN, SPLITTER2_IN, SPLITTER3_IN,
344         MERGER0_INL, MERGER0_INR, MERGER1_INL, MERGER1_INR, MERGER2_INL,
345         MERGER2_INR, MERGER3_INL, MERGER3_INR, E2SINK_MAX
346 };
347
348 enum LBUS_SINK {
349         LS_SRC_INTERPOLATOR = 0, LS_SRC_INTERPOLATORM, LS_SRC_DECIMATOR,
350         LS_SRC_DECIMATORM, LS_MIXER_IN, LS_MIXER_GAIN_FUNCTION,
351         LS_SRC_SPLITTER, LS_SRC_MERGER, LS_NONE1, LS_NONE2,
352 };
353
354 enum RT_CHANNEL_IDS {
355         M0TX = 0, M1TX, TAMTX, HSSPKR, PDAC, DSNDTX0, DSNDTX1, DSNDTX2,
356         DSNDTX3, DSNDTX4, DSNDTX5, DSNDTX6, DSNDTX7, WVSTRTX, COP3DTX, SPARE,
357         M0RX, HSMIC, M1RX, CLEANRX, MICADC, PADC, COPRX1, COPRX2,
358         CHANNEL_ID_COUNTER
359 };
360
361 enum { SB_CMD = 0, MODEM_CMD, I2S_CMD0, I2S_CMD1, FM_CMD, MAX_CMD };
362
363 struct lbuspath {
364         const unsigned char *noconv;
365         const unsigned char *stereo;
366         const unsigned char *mono;
367 };
368
369 struct cmdport {
370         u32 data1;              /* cmd,param */
371         u32 data2;              /* param */
372         u32 stat;               /* status */
373         u32 pad[5];
374 };
375
376 struct riptideport {
377         u32 audio_control;      /* status registers */
378         u32 audio_status;
379         u32 pad[2];
380         struct cmdport port[2]; /* command ports */
381 };
382
383 struct cmdif {
384         struct riptideport *hwport;
385         spinlock_t lock;
386         unsigned int cmdcnt;    /* cmd statistics */
387         unsigned int cmdtime;
388         unsigned int cmdtimemax;
389         unsigned int cmdtimemin;
390         unsigned int errcnt;
391         int is_reset;
392 };
393
394 struct riptide_firmware {
395         u16 ASIC;
396         u16 CODEC;
397         u16 AUXDSP;
398         u16 PROG;
399 };
400
401 union cmdret {
402         u8 retbytes[8];
403         u16 retwords[4];
404         u32 retlongs[2];
405 };
406
407 union firmware_version {
408         union cmdret ret;
409         struct riptide_firmware firmware;
410 };
411
412 #define get_pcmhwdev(substream) (struct pcmhw *)(substream->runtime->private_data)
413
414 #define PLAYBACK_SUBSTREAMS 3
415 struct snd_riptide {
416         struct snd_card *card;
417         struct pci_dev *pci;
418         const struct firmware *fw_entry;
419
420         struct cmdif *cif;
421
422         struct snd_pcm *pcm;
423         struct snd_pcm *pcm_i2s;
424         struct snd_rawmidi *rmidi;
425         struct snd_opl3 *opl3;
426         struct snd_ac97 *ac97;
427         struct snd_ac97_bus *ac97_bus;
428
429         struct snd_pcm_substream *playback_substream[PLAYBACK_SUBSTREAMS];
430         struct snd_pcm_substream *capture_substream;
431
432         int openstreams;
433
434         int irq;
435         unsigned long port;
436         unsigned short mpuaddr;
437         unsigned short opladdr;
438 #ifdef SUPPORT_JOYSTICK
439         unsigned short gameaddr;
440 #endif
441         struct resource *res_port;
442
443         unsigned short device_id;
444
445         union firmware_version firmware;
446
447         spinlock_t lock;
448         struct snd_info_entry *proc_entry;
449
450         unsigned long received_irqs;
451         unsigned long handled_irqs;
452 #ifdef CONFIG_PM_SLEEP
453         int in_suspend;
454 #endif
455 };
456
457 struct sgd {                    /* scatter gather desriptor */
458         __le32 dwNextLink;
459         __le32 dwSegPtrPhys;
460         __le32 dwSegLen;
461         __le32 dwStat_Ctl;
462 };
463
464 struct pcmhw {                  /* pcm descriptor */
465         struct lbuspath paths;
466         const unsigned char *lbuspath;
467         unsigned char source;
468         unsigned char intdec[2];
469         unsigned char mixer;
470         unsigned char id;
471         unsigned char state;
472         unsigned int rate;
473         unsigned int channels;
474         snd_pcm_format_t format;
475         struct snd_dma_buffer sgdlist;
476         struct sgd *sgdbuf;
477         unsigned int size;
478         unsigned int pages;
479         unsigned int oldpos;
480         unsigned int pointer;
481 };
482
483 #define CMDRET_ZERO (union cmdret){{(u32)0, (u32) 0}}
484
485 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
486                    union cmdret *ret);
487 static int getsourcesink(struct cmdif *cif, unsigned char source,
488                          unsigned char sink, unsigned char *a,
489                          unsigned char *b);
490 static int snd_riptide_initialize(struct snd_riptide *chip);
491 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip);
492
493 /*
494  */
495
496 static const struct pci_device_id snd_riptide_ids[] = {
497         { PCI_DEVICE(0x127a, 0x4310) },
498         { PCI_DEVICE(0x127a, 0x4320) },
499         { PCI_DEVICE(0x127a, 0x4330) },
500         { PCI_DEVICE(0x127a, 0x4340) },
501         {0,},
502 };
503
504 #ifdef SUPPORT_JOYSTICK
505 static const struct pci_device_id snd_riptide_joystick_ids[] = {
506         { PCI_DEVICE(0x127a, 0x4312) },
507         { PCI_DEVICE(0x127a, 0x4322) },
508         { PCI_DEVICE(0x127a, 0x4332) },
509         { PCI_DEVICE(0x127a, 0x4342) },
510         {0,},
511 };
512 #endif
513
514 MODULE_DEVICE_TABLE(pci, snd_riptide_ids);
515
516 /*
517  */
518
519 static const unsigned char lbusin2out[E2SINK_MAX + 1][2] = {
520         {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
521                                                                      LS_NONE2},
522         {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
523                                                                      LS_NONE2},
524         {INTER0_OUT, LS_SRC_INTERPOLATOR}, {INTER1_OUT, LS_SRC_INTERPOLATOR},
525         {INTER2_OUT, LS_SRC_INTERPOLATOR}, {INTER3_OUT, LS_SRC_INTERPOLATOR},
526         {INTER4_OUT, LS_SRC_INTERPOLATOR}, {INTERM0_OUT, LS_SRC_INTERPOLATORM},
527         {INTERM1_OUT, LS_SRC_INTERPOLATORM}, {INTERM2_OUT,
528                                               LS_SRC_INTERPOLATORM},
529         {INTERM3_OUT, LS_SRC_INTERPOLATORM}, {INTERM4_OUT,
530                                               LS_SRC_INTERPOLATORM},
531         {INTERM5_OUT, LS_SRC_INTERPOLATORM}, {INTERM6_OUT,
532                                               LS_SRC_INTERPOLATORM},
533         {DECIMM0_OUT, LS_SRC_DECIMATORM}, {DECIMM1_OUT, LS_SRC_DECIMATORM},
534         {DECIMM2_OUT, LS_SRC_DECIMATORM}, {DECIMM3_OUT, LS_SRC_DECIMATORM},
535         {DECIM0_OUT, LS_SRC_DECIMATOR}, {SR3_4_OUT, LS_NONE1}, {NO_OUT,
536                                                                 LS_NONE2},
537         {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1},
538         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
539         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
540         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
541         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
542         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
543         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
544         {GAINFUNC0_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC1_OUT,
545                                                   LS_MIXER_GAIN_FUNCTION},
546         {GAINFUNC2_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC3_OUT,
547                                                   LS_MIXER_GAIN_FUNCTION},
548         {GAINFUNC4_OUT, LS_MIXER_GAIN_FUNCTION}, {SOFTMODEMTX, LS_NONE1},
549         {SPLITTER0_OUTL, LS_SRC_SPLITTER}, {SPLITTER1_OUTL, LS_SRC_SPLITTER},
550         {SPLITTER2_OUTL, LS_SRC_SPLITTER}, {SPLITTER3_OUTL, LS_SRC_SPLITTER},
551         {MERGER0_OUT, LS_SRC_MERGER}, {MERGER0_OUT, LS_SRC_MERGER},
552         {MERGER1_OUT, LS_SRC_MERGER},
553         {MERGER1_OUT, LS_SRC_MERGER}, {MERGER2_OUT, LS_SRC_MERGER},
554         {MERGER2_OUT, LS_SRC_MERGER},
555         {MERGER3_OUT, LS_SRC_MERGER}, {MERGER3_OUT, LS_SRC_MERGER}, {NO_OUT,
556                                                                      LS_NONE2},
557 };
558
559 static const unsigned char lbus_play_opl3[] = {
560         DIGITAL_MIXER_IN0 + FM_MIXER, 0xff
561 };
562 static const unsigned char lbus_play_modem[] = {
563         DIGITAL_MIXER_IN0 + MODEM_MIXER, 0xff
564 };
565 static const unsigned char lbus_play_i2s[] = {
566         INTER0_IN + I2S_INTDEC, DIGITAL_MIXER_IN0 + I2S_MIXER, 0xff
567 };
568 static const unsigned char lbus_play_out[] = {
569         PDAC2ACLNK, 0xff
570 };
571 static const unsigned char lbus_play_outhp[] = {
572         HNDSPK2ACLNK, 0xff
573 };
574 static const unsigned char lbus_play_noconv1[] = {
575         DIGITAL_MIXER_IN0, 0xff
576 };
577 static const unsigned char lbus_play_stereo1[] = {
578         INTER0_IN, DIGITAL_MIXER_IN0, 0xff
579 };
580 static const unsigned char lbus_play_mono1[] = {
581         INTERM0_IN, DIGITAL_MIXER_IN0, 0xff
582 };
583 static const unsigned char lbus_play_noconv2[] = {
584         DIGITAL_MIXER_IN1, 0xff
585 };
586 static const unsigned char lbus_play_stereo2[] = {
587         INTER1_IN, DIGITAL_MIXER_IN1, 0xff
588 };
589 static const unsigned char lbus_play_mono2[] = {
590         INTERM1_IN, DIGITAL_MIXER_IN1, 0xff
591 };
592 static const unsigned char lbus_play_noconv3[] = {
593         DIGITAL_MIXER_IN2, 0xff
594 };
595 static const unsigned char lbus_play_stereo3[] = {
596         INTER2_IN, DIGITAL_MIXER_IN2, 0xff
597 };
598 static const unsigned char lbus_play_mono3[] = {
599         INTERM2_IN, DIGITAL_MIXER_IN2, 0xff
600 };
601 static const unsigned char lbus_rec_noconv1[] = {
602         LBUS2ARM_FIFO5, 0xff
603 };
604 static const unsigned char lbus_rec_stereo1[] = {
605         DECIM0_IN, LBUS2ARM_FIFO5, 0xff
606 };
607 static const unsigned char lbus_rec_mono1[] = {
608         DECIMM3_IN, LBUS2ARM_FIFO5, 0xff
609 };
610
611 static const unsigned char play_ids[] = { 4, 1, 2, };
612 static const unsigned char play_sources[] = {
613         ARM2LBUS_FIFO4, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2,
614 };
615 static const struct lbuspath lbus_play_paths[] = {
616         {
617          .noconv = lbus_play_noconv1,
618          .stereo = lbus_play_stereo1,
619          .mono = lbus_play_mono1,
620          },
621         {
622          .noconv = lbus_play_noconv2,
623          .stereo = lbus_play_stereo2,
624          .mono = lbus_play_mono2,
625          },
626         {
627          .noconv = lbus_play_noconv3,
628          .stereo = lbus_play_stereo3,
629          .mono = lbus_play_mono3,
630          },
631 };
632 static const struct lbuspath lbus_rec_path = {
633         .noconv = lbus_rec_noconv1,
634         .stereo = lbus_rec_stereo1,
635         .mono = lbus_rec_mono1,
636 };
637
638 #define FIRMWARE_VERSIONS 1
639 static union firmware_version firmware_versions[] = {
640         {
641                 .firmware = {
642                         .ASIC = 3,
643                         .CODEC = 2,
644                         .AUXDSP = 3,
645                         .PROG = 773,
646                 },
647         },
648 };
649
650 static u32 atoh(const unsigned char *in, unsigned int len)
651 {
652         u32 sum = 0;
653         unsigned int mult = 1;
654         unsigned char c;
655
656         while (len) {
657                 int value;
658
659                 c = in[len - 1];
660                 value = hex_to_bin(c);
661                 if (value >= 0)
662                         sum += mult * value;
663                 mult *= 16;
664                 --len;
665         }
666         return sum;
667 }
668
669 static int senddata(struct cmdif *cif, const unsigned char *in, u32 offset)
670 {
671         u32 addr;
672         u32 data;
673         u32 i;
674         const unsigned char *p;
675
676         i = atoh(&in[1], 2);
677         addr = offset + atoh(&in[3], 4);
678         if (SEND_SMEM(cif, 0, addr) != 0)
679                 return -EACCES;
680         p = in + 9;
681         while (i) {
682                 data = atoh(p, 8);
683                 if (SEND_WMEM(cif, 2,
684                               ((data & 0x0f0f0f0f) << 4) | ((data & 0xf0f0f0f0)
685                                                             >> 4)))
686                         return -EACCES;
687                 i -= 4;
688                 p += 8;
689         }
690         return 0;
691 }
692
693 static int loadfirmware(struct cmdif *cif, const unsigned char *img,
694                         unsigned int size)
695 {
696         const unsigned char *in;
697         u32 laddr, saddr, t, val;
698         int err = 0;
699
700         laddr = saddr = 0;
701         while (size > 0 && err == 0) {
702                 in = img;
703                 if (in[0] == ':') {
704                         t = atoh(&in[7], 2);
705                         switch (t) {
706                         case DATA_REC:
707                                 err = senddata(cif, in, laddr + saddr);
708                                 break;
709                         case EXT_SEG_ADDR_REC:
710                                 saddr = atoh(&in[9], 4) << 4;
711                                 break;
712                         case EXT_LIN_ADDR_REC:
713                                 laddr = atoh(&in[9], 4) << 16;
714                                 break;
715                         case EXT_GOTO_CMD_REC:
716                                 val = atoh(&in[9], 8);
717                                 if (SEND_GOTO(cif, val) != 0)
718                                         err = -EACCES;
719                                 break;
720                         case EXT_END_OF_FILE:
721                                 size = 0;
722                                 break;
723                         default:
724                                 break;
725                         }
726                         while (size > 0) {
727                                 size--;
728                                 if (*img++ == '\n')
729                                         break;
730                         }
731                 }
732         }
733         snd_printdd("load firmware return %d\n", err);
734         return err;
735 }
736
737 static void
738 alloclbuspath(struct cmdif *cif, unsigned char source,
739               const unsigned char *path, unsigned char *mixer, unsigned char *s)
740 {
741         while (*path != 0xff) {
742                 unsigned char sink, type;
743
744                 sink = *path & (~SPLIT_PATH);
745                 if (sink != E2SINK_MAX) {
746                         snd_printdd("alloc path 0x%x->0x%x\n", source, sink);
747                         SEND_PSEL(cif, source, sink);
748                         source = lbusin2out[sink][0];
749                         type = lbusin2out[sink][1];
750                         if (type == LS_MIXER_IN) {
751                                 if (mixer)
752                                         *mixer = sink - DIGITAL_MIXER_IN0;
753                         }
754                         if (type == LS_SRC_DECIMATORM ||
755                             type == LS_SRC_DECIMATOR ||
756                             type == LS_SRC_INTERPOLATORM ||
757                             type == LS_SRC_INTERPOLATOR) {
758                                 if (s) {
759                                         if (s[0] != 0xff)
760                                                 s[1] = sink;
761                                         else
762                                                 s[0] = sink;
763                                 }
764                         }
765                 }
766                 if (*path++ & SPLIT_PATH) {
767                         const unsigned char *npath = path;
768
769                         while (*npath != 0xff)
770                                 npath++;
771                         alloclbuspath(cif, source + 1, ++npath, mixer, s);
772                 }
773         }
774 }
775
776 static void
777 freelbuspath(struct cmdif *cif, unsigned char source, const unsigned char *path)
778 {
779         while (*path != 0xff) {
780                 unsigned char sink;
781
782                 sink = *path & (~SPLIT_PATH);
783                 if (sink != E2SINK_MAX) {
784                         snd_printdd("free path 0x%x->0x%x\n", source, sink);
785                         SEND_PCLR(cif, source, sink);
786                         source = lbusin2out[sink][0];
787                 }
788                 if (*path++ & SPLIT_PATH) {
789                         const unsigned char *npath = path;
790
791                         while (*npath != 0xff)
792                                 npath++;
793                         freelbuspath(cif, source + 1, ++npath);
794                 }
795         }
796 }
797
798 static int writearm(struct cmdif *cif, u32 addr, u32 data, u32 mask)
799 {
800         union cmdret rptr = CMDRET_ZERO;
801         unsigned int i = MAX_WRITE_RETRY;
802         int flag = 1;
803
804         SEND_RMEM(cif, 0x02, addr, &rptr);
805         rptr.retlongs[0] &= (~mask);
806
807         while (--i) {
808                 SEND_SMEM(cif, 0x01, addr);
809                 SEND_WMEM(cif, 0x02, (rptr.retlongs[0] | data));
810                 SEND_RMEM(cif, 0x02, addr, &rptr);
811                 if ((rptr.retlongs[0] & data) == data) {
812                         flag = 0;
813                         break;
814                 } else
815                         rptr.retlongs[0] &= ~mask;
816         }
817         snd_printdd("send arm 0x%x 0x%x 0x%x return %d\n", addr, data, mask,
818                     flag);
819         return flag;
820 }
821
822 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
823                    union cmdret *ret)
824 {
825         int i, j;
826         int err;
827         unsigned int time = 0;
828         unsigned long irqflags;
829         struct riptideport *hwport;
830         struct cmdport *cmdport = NULL;
831
832         if (snd_BUG_ON(!cif))
833                 return -EINVAL;
834
835         hwport = cif->hwport;
836         if (cif->errcnt > MAX_ERROR_COUNT) {
837                 if (cif->is_reset) {
838                         snd_printk(KERN_ERR
839                                    "Riptide: Too many failed cmds, reinitializing\n");
840                         if (riptide_reset(cif, NULL) == 0) {
841                                 cif->errcnt = 0;
842                                 return -EIO;
843                         }
844                 }
845                 snd_printk(KERN_ERR "Riptide: Initialization failed.\n");
846                 return -EINVAL;
847         }
848         if (ret) {
849                 ret->retlongs[0] = 0;
850                 ret->retlongs[1] = 0;
851         }
852         i = 0;
853         spin_lock_irqsave(&cif->lock, irqflags);
854         while (i++ < CMDIF_TIMEOUT && !IS_READY(cif->hwport))
855                 udelay(10);
856         if (i > CMDIF_TIMEOUT) {
857                 err = -EBUSY;
858                 goto errout;
859         }
860
861         err = 0;
862         for (j = 0, time = 0; time < CMDIF_TIMEOUT; j++, time += 2) {
863                 cmdport = &(hwport->port[j % 2]);
864                 if (IS_DATF(cmdport)) { /* free pending data */
865                         READ_PORT_ULONG(cmdport->data1);
866                         READ_PORT_ULONG(cmdport->data2);
867                 }
868                 if (IS_CMDE(cmdport)) {
869                         if (flags & PARM)       /* put data */
870                                 WRITE_PORT_ULONG(cmdport->data2, parm);
871                         WRITE_PORT_ULONG(cmdport->data1, cmd);  /* write cmd */
872                         if ((flags & RESP) && ret) {
873                                 while (!IS_DATF(cmdport) &&
874                                        time < CMDIF_TIMEOUT) {
875                                         udelay(10);
876                                         time++;
877                                 }
878                                 if (time < CMDIF_TIMEOUT) {     /* read response */
879                                         ret->retlongs[0] =
880                                             READ_PORT_ULONG(cmdport->data1);
881                                         ret->retlongs[1] =
882                                             READ_PORT_ULONG(cmdport->data2);
883                                 } else {
884                                         err = -ENOSYS;
885                                         goto errout;
886                                 }
887                         }
888                         break;
889                 }
890                 udelay(20);
891         }
892         if (time == CMDIF_TIMEOUT) {
893                 err = -ENODATA;
894                 goto errout;
895         }
896         spin_unlock_irqrestore(&cif->lock, irqflags);
897
898         cif->cmdcnt++;          /* update command statistics */
899         cif->cmdtime += time;
900         if (time > cif->cmdtimemax)
901                 cif->cmdtimemax = time;
902         if (time < cif->cmdtimemin)
903                 cif->cmdtimemin = time;
904         if ((cif->cmdcnt) % 1000 == 0)
905                 snd_printdd
906                     ("send cmd %d time: %d mintime: %d maxtime %d err: %d\n",
907                      cif->cmdcnt, cif->cmdtime, cif->cmdtimemin,
908                      cif->cmdtimemax, cif->errcnt);
909         return 0;
910
911       errout:
912         cif->errcnt++;
913         spin_unlock_irqrestore(&cif->lock, irqflags);
914         snd_printdd
915             ("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",
916              cif->cmdcnt, (int)((void *)&(cmdport->stat) - (void *)hwport),
917              flags, cmd, parm, ret ? ret->retlongs[0] : 0,
918              ret ? ret->retlongs[1] : 0, IS_CMDE(cmdport), IS_DATF(cmdport),
919              err);
920         return err;
921 }
922
923 static int
924 setmixer(struct cmdif *cif, short num, unsigned short rval, unsigned short lval)
925 {
926         union cmdret rptr = CMDRET_ZERO;
927         int i = 0;
928
929         snd_printdd("sent mixer %d: 0x%x 0x%x\n", num, rval, lval);
930         do {
931                 SEND_SDGV(cif, num, num, rval, lval);
932                 SEND_RDGV(cif, num, num, &rptr);
933                 if (rptr.retwords[0] == lval && rptr.retwords[1] == rval)
934                         return 0;
935         } while (i++ < MAX_WRITE_RETRY);
936         snd_printdd("sent mixer failed\n");
937         return -EIO;
938 }
939
940 static int getpaths(struct cmdif *cif, unsigned char *o)
941 {
942         unsigned char src[E2SINK_MAX];
943         unsigned char sink[E2SINK_MAX];
944         int i, j = 0;
945
946         for (i = 0; i < E2SINK_MAX; i++) {
947                 getsourcesink(cif, i, i, &src[i], &sink[i]);
948                 if (sink[i] < E2SINK_MAX) {
949                         o[j++] = sink[i];
950                         o[j++] = i;
951                 }
952         }
953         return j;
954 }
955
956 static int
957 getsourcesink(struct cmdif *cif, unsigned char source, unsigned char sink,
958               unsigned char *a, unsigned char *b)
959 {
960         union cmdret rptr = CMDRET_ZERO;
961
962         if (SEND_RSSV(cif, source, sink, &rptr) &&
963             SEND_RSSV(cif, source, sink, &rptr))
964                 return -EIO;
965         *a = rptr.retbytes[0];
966         *b = rptr.retbytes[1];
967         snd_printdd("getsourcesink 0x%x 0x%x\n", *a, *b);
968         return 0;
969 }
970
971 static int
972 getsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int *rate)
973 {
974         unsigned char *s;
975         unsigned int p[2] = { 0, 0 };
976         int i;
977         union cmdret rptr = CMDRET_ZERO;
978
979         s = intdec;
980         for (i = 0; i < 2; i++) {
981                 if (*s != 0xff) {
982                         if (SEND_RSRC(cif, *s, &rptr) &&
983                             SEND_RSRC(cif, *s, &rptr))
984                                 return -EIO;
985                         p[i] += rptr.retwords[1];
986                         p[i] *= rptr.retwords[2];
987                         p[i] += rptr.retwords[3];
988                         p[i] /= 65536;
989                 }
990                 s++;
991         }
992         if (p[0]) {
993                 if (p[1] != p[0])
994                         snd_printdd("rates differ %d %d\n", p[0], p[1]);
995                 *rate = (unsigned int)p[0];
996         } else
997                 *rate = (unsigned int)p[1];
998         snd_printdd("getsampleformat %d %d %d\n", intdec[0], intdec[1], *rate);
999         return 0;
1000 }
1001
1002 static int
1003 setsampleformat(struct cmdif *cif,
1004                 unsigned char mixer, unsigned char id,
1005                 unsigned char channels, snd_pcm_format_t format)
1006 {
1007         unsigned char w, ch, sig, order;
1008
1009         snd_printdd
1010             ("setsampleformat mixer: %d id: %d channels: %d format: %d\n",
1011              mixer, id, channels, format);
1012         ch = channels == 1;
1013         w = snd_pcm_format_width(format) == 8;
1014         sig = snd_pcm_format_unsigned(format) != 0;
1015         order = snd_pcm_format_big_endian(format) != 0;
1016
1017         if (SEND_SETF(cif, mixer, w, ch, order, sig, id) &&
1018             SEND_SETF(cif, mixer, w, ch, order, sig, id)) {
1019                 snd_printdd("setsampleformat failed\n");
1020                 return -EIO;
1021         }
1022         return 0;
1023 }
1024
1025 static int
1026 setsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int rate)
1027 {
1028         u32 D, M, N;
1029         union cmdret rptr = CMDRET_ZERO;
1030         int i;
1031
1032         snd_printdd("setsamplerate intdec: %d,%d rate: %d\n", intdec[0],
1033                     intdec[1], rate);
1034         D = 48000;
1035         M = ((rate == 48000) ? 47999 : rate) * 65536;
1036         N = M % D;
1037         M /= D;
1038         for (i = 0; i < 2; i++) {
1039                 if (*intdec != 0xff) {
1040                         do {
1041                                 SEND_SSRC(cif, *intdec, D, M, N);
1042                                 SEND_RSRC(cif, *intdec, &rptr);
1043                         } while (rptr.retwords[1] != D &&
1044                                  rptr.retwords[2] != M &&
1045                                  rptr.retwords[3] != N &&
1046                                  i++ < MAX_WRITE_RETRY);
1047                         if (i > MAX_WRITE_RETRY) {
1048                                 snd_printdd("sent samplerate %d: %d failed\n",
1049                                             *intdec, rate);
1050                                 return -EIO;
1051                         }
1052                 }
1053                 intdec++;
1054         }
1055         return 0;
1056 }
1057
1058 static int
1059 getmixer(struct cmdif *cif, short num, unsigned short *rval,
1060          unsigned short *lval)
1061 {
1062         union cmdret rptr = CMDRET_ZERO;
1063
1064         if (SEND_RDGV(cif, num, num, &rptr) && SEND_RDGV(cif, num, num, &rptr))
1065                 return -EIO;
1066         *rval = rptr.retwords[0];
1067         *lval = rptr.retwords[1];
1068         snd_printdd("got mixer %d: 0x%x 0x%x\n", num, *rval, *lval);
1069         return 0;
1070 }
1071
1072 static irqreturn_t riptide_handleirq(int irq, void *dev_id)
1073 {
1074         struct snd_riptide *chip = dev_id;
1075         struct cmdif *cif = chip->cif;
1076         struct snd_pcm_substream *substream[PLAYBACK_SUBSTREAMS + 1];
1077         struct snd_pcm_runtime *runtime;
1078         struct pcmhw *data = NULL;
1079         unsigned int pos, period_bytes;
1080         struct sgd *c;
1081         int i, j;
1082         unsigned int flag;
1083
1084         if (!cif)
1085                 return IRQ_HANDLED;
1086
1087         for (i = 0; i < PLAYBACK_SUBSTREAMS; i++)
1088                 substream[i] = chip->playback_substream[i];
1089         substream[i] = chip->capture_substream;
1090         for (i = 0; i < PLAYBACK_SUBSTREAMS + 1; i++) {
1091                 if (substream[i] &&
1092                     (runtime = substream[i]->runtime) &&
1093                     (data = runtime->private_data) && data->state != ST_STOP) {
1094                         pos = 0;
1095                         for (j = 0; j < data->pages; j++) {
1096                                 c = &data->sgdbuf[j];
1097                                 flag = le32_to_cpu(c->dwStat_Ctl);
1098                                 if (flag & EOB_STATUS)
1099                                         pos += le32_to_cpu(c->dwSegLen);
1100                                 if (flag & EOC_STATUS)
1101                                         pos += le32_to_cpu(c->dwSegLen);
1102                                 if ((flag & EOS_STATUS)
1103                                     && (data->state == ST_PLAY)) {
1104                                         data->state = ST_STOP;
1105                                         snd_printk(KERN_ERR
1106                                                    "Riptide: DMA stopped unexpectedly\n");
1107                                 }
1108                                 c->dwStat_Ctl =
1109                                     cpu_to_le32(flag &
1110                                                 ~(EOS_STATUS | EOB_STATUS |
1111                                                   EOC_STATUS));
1112                         }
1113                         data->pointer += pos;
1114                         pos += data->oldpos;
1115                         if (data->state != ST_STOP) {
1116                                 period_bytes =
1117                                     frames_to_bytes(runtime,
1118                                                     runtime->period_size);
1119                                 snd_printdd
1120                                     ("interrupt 0x%x after 0x%lx of 0x%lx frames in period\n",
1121                                      READ_AUDIO_STATUS(cif->hwport),
1122                                      bytes_to_frames(runtime, pos),
1123                                      runtime->period_size);
1124                                 j = 0;
1125                                 if (pos >= period_bytes) {
1126                                         j++;
1127                                         while (pos >= period_bytes)
1128                                                 pos -= period_bytes;
1129                                 }
1130                                 data->oldpos = pos;
1131                                 if (j > 0)
1132                                         snd_pcm_period_elapsed(substream[i]);
1133                         }
1134                 }
1135         }
1136
1137         return IRQ_HANDLED;
1138 }
1139
1140 #ifdef CONFIG_PM_SLEEP
1141 static int riptide_suspend(struct device *dev)
1142 {
1143         struct snd_card *card = dev_get_drvdata(dev);
1144         struct snd_riptide *chip = card->private_data;
1145
1146         chip->in_suspend = 1;
1147         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1148         snd_ac97_suspend(chip->ac97);
1149         return 0;
1150 }
1151
1152 static int riptide_resume(struct device *dev)
1153 {
1154         struct snd_card *card = dev_get_drvdata(dev);
1155         struct snd_riptide *chip = card->private_data;
1156
1157         snd_riptide_initialize(chip);
1158         snd_ac97_resume(chip->ac97);
1159         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1160         chip->in_suspend = 0;
1161         return 0;
1162 }
1163
1164 static SIMPLE_DEV_PM_OPS(riptide_pm, riptide_suspend, riptide_resume);
1165 #define RIPTIDE_PM_OPS  &riptide_pm
1166 #else
1167 #define RIPTIDE_PM_OPS  NULL
1168 #endif /* CONFIG_PM_SLEEP */
1169
1170 static int try_to_load_firmware(struct cmdif *cif, struct snd_riptide *chip)
1171 {
1172         union firmware_version firmware = { .ret = CMDRET_ZERO };
1173         int i, timeout, err;
1174
1175         for (i = 0; i < 2; i++) {
1176                 WRITE_PORT_ULONG(cif->hwport->port[i].data1, 0);
1177                 WRITE_PORT_ULONG(cif->hwport->port[i].data2, 0);
1178         }
1179         SET_GRESET(cif->hwport);
1180         udelay(100);
1181         UNSET_GRESET(cif->hwport);
1182         udelay(100);
1183
1184         for (timeout = 100000; --timeout; udelay(10)) {
1185                 if (IS_READY(cif->hwport) && !IS_GERR(cif->hwport))
1186                         break;
1187         }
1188         if (!timeout) {
1189                 snd_printk(KERN_ERR
1190                            "Riptide: device not ready, audio status: 0x%x "
1191                            "ready: %d gerr: %d\n",
1192                            READ_AUDIO_STATUS(cif->hwport),
1193                            IS_READY(cif->hwport), IS_GERR(cif->hwport));
1194                 return -EIO;
1195         } else {
1196                 snd_printdd
1197                         ("Riptide: audio status: 0x%x ready: %d gerr: %d\n",
1198                          READ_AUDIO_STATUS(cif->hwport),
1199                          IS_READY(cif->hwport), IS_GERR(cif->hwport));
1200         }
1201
1202         SEND_GETV(cif, &firmware.ret);
1203         snd_printdd("Firmware version: ASIC: %d CODEC %d AUXDSP %d PROG %d\n",
1204                     firmware.firmware.ASIC, firmware.firmware.CODEC,
1205                     firmware.firmware.AUXDSP, firmware.firmware.PROG);
1206
1207         if (!chip)
1208                 return 1;
1209
1210         for (i = 0; i < FIRMWARE_VERSIONS; i++) {
1211                 if (!memcmp(&firmware_versions[i], &firmware, sizeof(firmware)))
1212                         return 1; /* OK */
1213
1214         }
1215
1216         snd_printdd("Writing Firmware\n");
1217         if (!chip->fw_entry) {
1218                 err = reject_firmware(&chip->fw_entry, "/*(DEBLOBBED)*/",
1219                                        &chip->pci->dev);
1220                 if (err) {
1221                         snd_printk(KERN_ERR
1222                                    "Riptide: Firmware not available %d\n", err);
1223                         return -EIO;
1224                 }
1225         }
1226         err = loadfirmware(cif, chip->fw_entry->data, chip->fw_entry->size);
1227         if (err) {
1228                 snd_printk(KERN_ERR
1229                            "Riptide: Could not load firmware %d\n", err);
1230                 return err;
1231         }
1232
1233         /*(DEBLOBBED)*/
1234
1235         return 1; /* OK */
1236 }
1237
1238 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip)
1239 {
1240         union cmdret rptr = CMDRET_ZERO;
1241         int err, tries;
1242
1243         if (!cif)
1244                 return -EINVAL;
1245
1246         cif->cmdcnt = 0;
1247         cif->cmdtime = 0;
1248         cif->cmdtimemax = 0;
1249         cif->cmdtimemin = 0xffffffff;
1250         cif->errcnt = 0;
1251         cif->is_reset = 0;
1252
1253         tries = RESET_TRIES;
1254         do {
1255                 err = try_to_load_firmware(cif, chip);
1256                 if (err < 0)
1257                         return err;
1258         } while (!err && --tries);
1259
1260         SEND_SACR(cif, 0, AC97_RESET);
1261         SEND_RACR(cif, AC97_RESET, &rptr);
1262         snd_printdd("AC97: 0x%x 0x%x\n", rptr.retlongs[0], rptr.retlongs[1]);
1263
1264         SEND_PLST(cif, 0);
1265         SEND_SLST(cif, 0);
1266         SEND_DLST(cif, 0);
1267         SEND_ALST(cif, 0);
1268         SEND_KDMA(cif);
1269
1270         writearm(cif, 0x301F8, 1, 1);
1271         writearm(cif, 0x301F4, 1, 1);
1272
1273         SEND_LSEL(cif, MODEM_CMD, 0, 0, MODEM_INTDEC, MODEM_MERGER,
1274                   MODEM_SPLITTER, MODEM_MIXER);
1275         setmixer(cif, MODEM_MIXER, 0x7fff, 0x7fff);
1276         alloclbuspath(cif, ARM2LBUS_FIFO13, lbus_play_modem, NULL, NULL);
1277
1278         SEND_LSEL(cif, FM_CMD, 0, 0, FM_INTDEC, FM_MERGER, FM_SPLITTER,
1279                   FM_MIXER);
1280         setmixer(cif, FM_MIXER, 0x7fff, 0x7fff);
1281         writearm(cif, 0x30648 + FM_MIXER * 4, 0x01, 0x00000005);
1282         writearm(cif, 0x301A8, 0x02, 0x00000002);
1283         writearm(cif, 0x30264, 0x08, 0xffffffff);
1284         alloclbuspath(cif, OPL3_SAMPLE, lbus_play_opl3, NULL, NULL);
1285
1286         SEND_SSRC(cif, I2S_INTDEC, 48000,
1287                   ((u32) I2S_RATE * 65536) / 48000,
1288                   ((u32) I2S_RATE * 65536) % 48000);
1289         SEND_LSEL(cif, I2S_CMD0, 0, 0, I2S_INTDEC, I2S_MERGER, I2S_SPLITTER,
1290                   I2S_MIXER);
1291         SEND_SI2S(cif, 1);
1292         alloclbuspath(cif, ARM2LBUS_FIFO0, lbus_play_i2s, NULL, NULL);
1293         alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_out, NULL, NULL);
1294         alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_outhp, NULL, NULL);
1295
1296         SET_AIACK(cif->hwport);
1297         SET_AIE(cif->hwport);
1298         SET_AIACK(cif->hwport);
1299         cif->is_reset = 1;
1300
1301         return 0;
1302 }
1303
1304 static const struct snd_pcm_hardware snd_riptide_playback = {
1305         .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1306                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1307                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1308         .formats =
1309             SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1310             | SNDRV_PCM_FMTBIT_U16_LE,
1311         .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1312         .rate_min = 5500,
1313         .rate_max = 48000,
1314         .channels_min = 1,
1315         .channels_max = 2,
1316         .buffer_bytes_max = (64 * 1024),
1317         .period_bytes_min = PAGE_SIZE >> 1,
1318         .period_bytes_max = PAGE_SIZE << 8,
1319         .periods_min = 2,
1320         .periods_max = 64,
1321         .fifo_size = 0,
1322 };
1323 static const struct snd_pcm_hardware snd_riptide_capture = {
1324         .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1325                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1326                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1327         .formats =
1328             SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1329             | SNDRV_PCM_FMTBIT_U16_LE,
1330         .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1331         .rate_min = 5500,
1332         .rate_max = 48000,
1333         .channels_min = 1,
1334         .channels_max = 2,
1335         .buffer_bytes_max = (64 * 1024),
1336         .period_bytes_min = PAGE_SIZE >> 1,
1337         .period_bytes_max = PAGE_SIZE << 3,
1338         .periods_min = 2,
1339         .periods_max = 64,
1340         .fifo_size = 0,
1341 };
1342
1343 static snd_pcm_uframes_t snd_riptide_pointer(struct snd_pcm_substream
1344                                              *substream)
1345 {
1346         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1347         struct snd_pcm_runtime *runtime = substream->runtime;
1348         struct pcmhw *data = get_pcmhwdev(substream);
1349         struct cmdif *cif = chip->cif;
1350         union cmdret rptr = CMDRET_ZERO;
1351         snd_pcm_uframes_t ret;
1352
1353         SEND_GPOS(cif, 0, data->id, &rptr);
1354         if (data->size && runtime->period_size) {
1355                 snd_printdd
1356                     ("pointer stream %d position 0x%x(0x%x in buffer) bytes 0x%lx(0x%lx in period) frames\n",
1357                      data->id, rptr.retlongs[1], rptr.retlongs[1] % data->size,
1358                      bytes_to_frames(runtime, rptr.retlongs[1]),
1359                      bytes_to_frames(runtime,
1360                                      rptr.retlongs[1]) % runtime->period_size);
1361                 if (rptr.retlongs[1] > data->pointer)
1362                         ret =
1363                             bytes_to_frames(runtime,
1364                                             rptr.retlongs[1] % data->size);
1365                 else
1366                         ret =
1367                             bytes_to_frames(runtime,
1368                                             data->pointer % data->size);
1369         } else {
1370                 snd_printdd("stream not started or strange parms (%d %ld)\n",
1371                             data->size, runtime->period_size);
1372                 ret = bytes_to_frames(runtime, 0);
1373         }
1374         return ret;
1375 }
1376
1377 static int snd_riptide_trigger(struct snd_pcm_substream *substream, int cmd)
1378 {
1379         int i, j;
1380         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1381         struct pcmhw *data = get_pcmhwdev(substream);
1382         struct cmdif *cif = chip->cif;
1383         union cmdret rptr = CMDRET_ZERO;
1384
1385         spin_lock(&chip->lock);
1386         switch (cmd) {
1387         case SNDRV_PCM_TRIGGER_START:
1388         case SNDRV_PCM_TRIGGER_RESUME:
1389                 if (!(data->state & ST_PLAY)) {
1390                         SEND_SSTR(cif, data->id, data->sgdlist.addr);
1391                         SET_AIE(cif->hwport);
1392                         data->state = ST_PLAY;
1393                         if (data->mixer != 0xff)
1394                                 setmixer(cif, data->mixer, 0x7fff, 0x7fff);
1395                         chip->openstreams++;
1396                         data->oldpos = 0;
1397                         data->pointer = 0;
1398                 }
1399                 break;
1400         case SNDRV_PCM_TRIGGER_STOP:
1401         case SNDRV_PCM_TRIGGER_SUSPEND:
1402                 if (data->mixer != 0xff)
1403                         setmixer(cif, data->mixer, 0, 0);
1404                 setmixer(cif, data->mixer, 0, 0);
1405                 SEND_KSTR(cif, data->id);
1406                 data->state = ST_STOP;
1407                 chip->openstreams--;
1408                 j = 0;
1409                 do {
1410                         i = rptr.retlongs[1];
1411                         SEND_GPOS(cif, 0, data->id, &rptr);
1412                         udelay(1);
1413                 } while (i != rptr.retlongs[1] && j++ < MAX_WRITE_RETRY);
1414                 if (j > MAX_WRITE_RETRY)
1415                         snd_printk(KERN_ERR "Riptide: Could not stop stream!");
1416                 break;
1417         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1418                 if (!(data->state & ST_PAUSE)) {
1419                         SEND_PSTR(cif, data->id);
1420                         data->state |= ST_PAUSE;
1421                         chip->openstreams--;
1422                 }
1423                 break;
1424         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1425                 if (data->state & ST_PAUSE) {
1426                         SEND_SSTR(cif, data->id, data->sgdlist.addr);
1427                         data->state &= ~ST_PAUSE;
1428                         chip->openstreams++;
1429                 }
1430                 break;
1431         default:
1432                 spin_unlock(&chip->lock);
1433                 return -EINVAL;
1434         }
1435         spin_unlock(&chip->lock);
1436         return 0;
1437 }
1438
1439 static int snd_riptide_prepare(struct snd_pcm_substream *substream)
1440 {
1441         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1442         struct snd_pcm_runtime *runtime = substream->runtime;
1443         struct pcmhw *data = get_pcmhwdev(substream);
1444         struct cmdif *cif = chip->cif;
1445         const unsigned char *lbuspath = NULL;
1446         unsigned int rate, channels;
1447         int err = 0;
1448         snd_pcm_format_t format;
1449
1450         if (snd_BUG_ON(!cif || !data))
1451                 return -EINVAL;
1452
1453         snd_printdd("prepare id %d ch: %d f:0x%x r:%d\n", data->id,
1454                     runtime->channels, runtime->format, runtime->rate);
1455
1456         spin_lock_irq(&chip->lock);
1457         channels = runtime->channels;
1458         format = runtime->format;
1459         rate = runtime->rate;
1460         switch (channels) {
1461         case 1:
1462                 if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1463                         lbuspath = data->paths.noconv;
1464                 else
1465                         lbuspath = data->paths.mono;
1466                 break;
1467         case 2:
1468                 if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1469                         lbuspath = data->paths.noconv;
1470                 else
1471                         lbuspath = data->paths.stereo;
1472                 break;
1473         }
1474         snd_printdd("use sgdlist at 0x%p\n",
1475                     data->sgdlist.area);
1476         if (data->sgdlist.area) {
1477                 unsigned int i, j, size, pages, f, pt, period;
1478                 struct sgd *c, *p = NULL;
1479
1480                 size = frames_to_bytes(runtime, runtime->buffer_size);
1481                 period = frames_to_bytes(runtime, runtime->period_size);
1482                 f = PAGE_SIZE;
1483                 while ((size + (f >> 1) - 1) <= (f << 7) && (f << 1) > period)
1484                         f = f >> 1;
1485                 pages = DIV_ROUND_UP(size, f);
1486                 data->size = size;
1487                 data->pages = pages;
1488                 snd_printdd
1489                     ("create sgd size: 0x%x pages %d of size 0x%x for period 0x%x\n",
1490                      size, pages, f, period);
1491                 pt = 0;
1492                 j = 0;
1493                 for (i = 0; i < pages; i++) {
1494                         unsigned int ofs, addr;
1495                         c = &data->sgdbuf[i];
1496                         if (p)
1497                                 p->dwNextLink = cpu_to_le32(data->sgdlist.addr +
1498                                                             (i *
1499                                                              sizeof(struct
1500                                                                     sgd)));
1501                         c->dwNextLink = cpu_to_le32(data->sgdlist.addr);
1502                         ofs = j << PAGE_SHIFT;
1503                         addr = snd_pcm_sgbuf_get_addr(substream, ofs) + pt;
1504                         c->dwSegPtrPhys = cpu_to_le32(addr);
1505                         pt = (pt + f) % PAGE_SIZE;
1506                         if (pt == 0)
1507                                 j++;
1508                         c->dwSegLen = cpu_to_le32(f);
1509                         c->dwStat_Ctl =
1510                             cpu_to_le32(IEOB_ENABLE | IEOS_ENABLE |
1511                                         IEOC_ENABLE);
1512                         p = c;
1513                         size -= f;
1514                 }
1515                 data->sgdbuf[i].dwSegLen = cpu_to_le32(size);
1516         }
1517         if (lbuspath && lbuspath != data->lbuspath) {
1518                 if (data->lbuspath)
1519                         freelbuspath(cif, data->source, data->lbuspath);
1520                 alloclbuspath(cif, data->source, lbuspath,
1521                               &data->mixer, data->intdec);
1522                 data->lbuspath = lbuspath;
1523                 data->rate = 0;
1524         }
1525         if (data->rate != rate || data->format != format ||
1526             data->channels != channels) {
1527                 data->rate = rate;
1528                 data->format = format;
1529                 data->channels = channels;
1530                 if (setsampleformat
1531                     (cif, data->mixer, data->id, channels, format)
1532                     || setsamplerate(cif, data->intdec, rate))
1533                         err = -EIO;
1534         }
1535         spin_unlock_irq(&chip->lock);
1536         return err;
1537 }
1538
1539 static int
1540 snd_riptide_hw_params(struct snd_pcm_substream *substream,
1541                       struct snd_pcm_hw_params *hw_params)
1542 {
1543         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1544         struct pcmhw *data = get_pcmhwdev(substream);
1545         struct snd_dma_buffer *sgdlist = &data->sgdlist;
1546         int err;
1547
1548         snd_printdd("hw params id %d (sgdlist: 0x%p 0x%lx %d)\n", data->id,
1549                     sgdlist->area, (unsigned long)sgdlist->addr,
1550                     (int)sgdlist->bytes);
1551         if (sgdlist->area)
1552                 snd_dma_free_pages(sgdlist);
1553         if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
1554                                        &chip->pci->dev,
1555                                        sizeof(struct sgd) * (DESC_MAX_MASK + 1),
1556                                        sgdlist)) < 0) {
1557                 snd_printk(KERN_ERR "Riptide: failed to alloc %d dma bytes\n",
1558                            (int)sizeof(struct sgd) * (DESC_MAX_MASK + 1));
1559                 return err;
1560         }
1561         data->sgdbuf = (struct sgd *)sgdlist->area;
1562         return 0;
1563 }
1564
1565 static int snd_riptide_hw_free(struct snd_pcm_substream *substream)
1566 {
1567         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1568         struct pcmhw *data = get_pcmhwdev(substream);
1569         struct cmdif *cif = chip->cif;
1570
1571         if (cif && data) {
1572                 if (data->lbuspath)
1573                         freelbuspath(cif, data->source, data->lbuspath);
1574                 data->lbuspath = NULL;
1575                 data->source = 0xff;
1576                 data->intdec[0] = 0xff;
1577                 data->intdec[1] = 0xff;
1578
1579                 if (data->sgdlist.area) {
1580                         snd_dma_free_pages(&data->sgdlist);
1581                         data->sgdlist.area = NULL;
1582                 }
1583         }
1584         return 0;
1585 }
1586
1587 static int snd_riptide_playback_open(struct snd_pcm_substream *substream)
1588 {
1589         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1590         struct snd_pcm_runtime *runtime = substream->runtime;
1591         struct pcmhw *data;
1592         int sub_num = substream->number;
1593
1594         chip->playback_substream[sub_num] = substream;
1595         runtime->hw = snd_riptide_playback;
1596
1597         data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1598         if (data == NULL)
1599                 return -ENOMEM;
1600         data->paths = lbus_play_paths[sub_num];
1601         data->id = play_ids[sub_num];
1602         data->source = play_sources[sub_num];
1603         data->intdec[0] = 0xff;
1604         data->intdec[1] = 0xff;
1605         data->state = ST_STOP;
1606         runtime->private_data = data;
1607         return snd_pcm_hw_constraint_integer(runtime,
1608                                              SNDRV_PCM_HW_PARAM_PERIODS);
1609 }
1610
1611 static int snd_riptide_capture_open(struct snd_pcm_substream *substream)
1612 {
1613         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1614         struct snd_pcm_runtime *runtime = substream->runtime;
1615         struct pcmhw *data;
1616
1617         chip->capture_substream = substream;
1618         runtime->hw = snd_riptide_capture;
1619
1620         data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1621         if (data == NULL)
1622                 return -ENOMEM;
1623         data->paths = lbus_rec_path;
1624         data->id = PADC;
1625         data->source = ACLNK2PADC;
1626         data->intdec[0] = 0xff;
1627         data->intdec[1] = 0xff;
1628         data->state = ST_STOP;
1629         runtime->private_data = data;
1630         return snd_pcm_hw_constraint_integer(runtime,
1631                                              SNDRV_PCM_HW_PARAM_PERIODS);
1632 }
1633
1634 static int snd_riptide_playback_close(struct snd_pcm_substream *substream)
1635 {
1636         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1637         struct pcmhw *data = get_pcmhwdev(substream);
1638         int sub_num = substream->number;
1639
1640         substream->runtime->private_data = NULL;
1641         chip->playback_substream[sub_num] = NULL;
1642         kfree(data);
1643         return 0;
1644 }
1645
1646 static int snd_riptide_capture_close(struct snd_pcm_substream *substream)
1647 {
1648         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1649         struct pcmhw *data = get_pcmhwdev(substream);
1650
1651         substream->runtime->private_data = NULL;
1652         chip->capture_substream = NULL;
1653         kfree(data);
1654         return 0;
1655 }
1656
1657 static const struct snd_pcm_ops snd_riptide_playback_ops = {
1658         .open = snd_riptide_playback_open,
1659         .close = snd_riptide_playback_close,
1660         .hw_params = snd_riptide_hw_params,
1661         .hw_free = snd_riptide_hw_free,
1662         .prepare = snd_riptide_prepare,
1663         .trigger = snd_riptide_trigger,
1664         .pointer = snd_riptide_pointer,
1665 };
1666 static const struct snd_pcm_ops snd_riptide_capture_ops = {
1667         .open = snd_riptide_capture_open,
1668         .close = snd_riptide_capture_close,
1669         .hw_params = snd_riptide_hw_params,
1670         .hw_free = snd_riptide_hw_free,
1671         .prepare = snd_riptide_prepare,
1672         .trigger = snd_riptide_trigger,
1673         .pointer = snd_riptide_pointer,
1674 };
1675
1676 static int snd_riptide_pcm(struct snd_riptide *chip, int device)
1677 {
1678         struct snd_pcm *pcm;
1679         int err;
1680
1681         if ((err =
1682              snd_pcm_new(chip->card, "RIPTIDE", device, PLAYBACK_SUBSTREAMS, 1,
1683                          &pcm)) < 0)
1684                 return err;
1685         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1686                         &snd_riptide_playback_ops);
1687         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1688                         &snd_riptide_capture_ops);
1689         pcm->private_data = chip;
1690         pcm->info_flags = 0;
1691         strcpy(pcm->name, "RIPTIDE");
1692         chip->pcm = pcm;
1693         snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1694                                        &chip->pci->dev, 64 * 1024, 128 * 1024);
1695         return 0;
1696 }
1697
1698 static irqreturn_t
1699 snd_riptide_interrupt(int irq, void *dev_id)
1700 {
1701         struct snd_riptide *chip = dev_id;
1702         struct cmdif *cif = chip->cif;
1703         irqreturn_t ret = IRQ_HANDLED;
1704
1705         if (cif) {
1706                 chip->received_irqs++;
1707                 if (IS_EOBIRQ(cif->hwport) || IS_EOSIRQ(cif->hwport) ||
1708                     IS_EOCIRQ(cif->hwport)) {
1709                         chip->handled_irqs++;
1710                         ret = IRQ_WAKE_THREAD;
1711                 }
1712                 if (chip->rmidi && IS_MPUIRQ(cif->hwport)) {
1713                         chip->handled_irqs++;
1714                         snd_mpu401_uart_interrupt(irq,
1715                                                   chip->rmidi->private_data);
1716                 }
1717                 SET_AIACK(cif->hwport);
1718         }
1719         return ret;
1720 }
1721
1722 static void
1723 snd_riptide_codec_write(struct snd_ac97 *ac97, unsigned short reg,
1724                         unsigned short val)
1725 {
1726         struct snd_riptide *chip = ac97->private_data;
1727         struct cmdif *cif = chip->cif;
1728         union cmdret rptr = CMDRET_ZERO;
1729         int i = 0;
1730
1731         if (snd_BUG_ON(!cif))
1732                 return;
1733
1734         snd_printdd("Write AC97 reg 0x%x 0x%x\n", reg, val);
1735         do {
1736                 SEND_SACR(cif, val, reg);
1737                 SEND_RACR(cif, reg, &rptr);
1738         } while (rptr.retwords[1] != val && i++ < MAX_WRITE_RETRY);
1739         if (i > MAX_WRITE_RETRY)
1740                 snd_printdd("Write AC97 reg failed\n");
1741 }
1742
1743 static unsigned short snd_riptide_codec_read(struct snd_ac97 *ac97,
1744                                              unsigned short reg)
1745 {
1746         struct snd_riptide *chip = ac97->private_data;
1747         struct cmdif *cif = chip->cif;
1748         union cmdret rptr = CMDRET_ZERO;
1749
1750         if (snd_BUG_ON(!cif))
1751                 return 0;
1752
1753         if (SEND_RACR(cif, reg, &rptr) != 0)
1754                 SEND_RACR(cif, reg, &rptr);
1755         snd_printdd("Read AC97 reg 0x%x got 0x%x\n", reg, rptr.retwords[1]);
1756         return rptr.retwords[1];
1757 }
1758
1759 static int snd_riptide_initialize(struct snd_riptide *chip)
1760 {
1761         struct cmdif *cif;
1762         unsigned int device_id;
1763         int err;
1764
1765         if (snd_BUG_ON(!chip))
1766                 return -EINVAL;
1767
1768         cif = chip->cif;
1769         if (!cif) {
1770                 if ((cif = kzalloc(sizeof(struct cmdif), GFP_KERNEL)) == NULL)
1771                         return -ENOMEM;
1772                 cif->hwport = (struct riptideport *)chip->port;
1773                 spin_lock_init(&cif->lock);
1774                 chip->cif = cif;
1775         }
1776         cif->is_reset = 0;
1777         if ((err = riptide_reset(cif, chip)) != 0)
1778                 return err;
1779         device_id = chip->device_id;
1780         switch (device_id) {
1781         case 0x4310:
1782         case 0x4320:
1783         case 0x4330:
1784                 snd_printdd("Modem enable?\n");
1785                 SEND_SETDPLL(cif);
1786                 break;
1787         }
1788         snd_printdd("Enabling MPU IRQs\n");
1789         if (chip->rmidi)
1790                 SET_EMPUIRQ(cif->hwport);
1791         return err;
1792 }
1793
1794 static int snd_riptide_free(struct snd_riptide *chip)
1795 {
1796         struct cmdif *cif;
1797
1798         if (!chip)
1799                 return 0;
1800
1801         if ((cif = chip->cif)) {
1802                 SET_GRESET(cif->hwport);
1803                 udelay(100);
1804                 UNSET_GRESET(cif->hwport);
1805                 kfree(chip->cif);
1806         }
1807         if (chip->irq >= 0)
1808                 free_irq(chip->irq, chip);
1809         release_firmware(chip->fw_entry);
1810         release_and_free_resource(chip->res_port);
1811         kfree(chip);
1812         return 0;
1813 }
1814
1815 static int snd_riptide_dev_free(struct snd_device *device)
1816 {
1817         struct snd_riptide *chip = device->device_data;
1818
1819         return snd_riptide_free(chip);
1820 }
1821
1822 static int
1823 snd_riptide_create(struct snd_card *card, struct pci_dev *pci,
1824                    struct snd_riptide **rchip)
1825 {
1826         struct snd_riptide *chip;
1827         struct riptideport *hwport;
1828         int err;
1829         static const struct snd_device_ops ops = {
1830                 .dev_free = snd_riptide_dev_free,
1831         };
1832
1833         *rchip = NULL;
1834         if ((err = pci_enable_device(pci)) < 0)
1835                 return err;
1836         if (!(chip = kzalloc(sizeof(struct snd_riptide), GFP_KERNEL)))
1837                 return -ENOMEM;
1838
1839         spin_lock_init(&chip->lock);
1840         chip->card = card;
1841         chip->pci = pci;
1842         chip->irq = -1;
1843         chip->openstreams = 0;
1844         chip->port = pci_resource_start(pci, 0);
1845         chip->received_irqs = 0;
1846         chip->handled_irqs = 0;
1847         chip->cif = NULL;
1848
1849         if ((chip->res_port =
1850              request_region(chip->port, 64, "RIPTIDE")) == NULL) {
1851                 snd_printk(KERN_ERR
1852                            "Riptide: unable to grab region 0x%lx-0x%lx\n",
1853                            chip->port, chip->port + 64 - 1);
1854                 snd_riptide_free(chip);
1855                 return -EBUSY;
1856         }
1857         hwport = (struct riptideport *)chip->port;
1858         UNSET_AIE(hwport);
1859
1860         if (request_threaded_irq(pci->irq, snd_riptide_interrupt,
1861                                  riptide_handleirq, IRQF_SHARED,
1862                                  KBUILD_MODNAME, chip)) {
1863                 snd_printk(KERN_ERR "Riptide: unable to grab IRQ %d\n",
1864                            pci->irq);
1865                 snd_riptide_free(chip);
1866                 return -EBUSY;
1867         }
1868         chip->irq = pci->irq;
1869         card->sync_irq = chip->irq;
1870         chip->device_id = pci->device;
1871         pci_set_master(pci);
1872         if ((err = snd_riptide_initialize(chip)) < 0) {
1873                 snd_riptide_free(chip);
1874                 return err;
1875         }
1876
1877         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1878                 snd_riptide_free(chip);
1879                 return err;
1880         }
1881
1882         *rchip = chip;
1883         return 0;
1884 }
1885
1886 static void
1887 snd_riptide_proc_read(struct snd_info_entry *entry,
1888                       struct snd_info_buffer *buffer)
1889 {
1890         struct snd_riptide *chip = entry->private_data;
1891         struct pcmhw *data;
1892         int i;
1893         struct cmdif *cif = NULL;
1894         unsigned char p[256];
1895         unsigned short rval = 0, lval = 0;
1896         unsigned int rate;
1897
1898         if (!chip)
1899                 return;
1900
1901         snd_iprintf(buffer, "%s\n\n", chip->card->longname);
1902         snd_iprintf(buffer, "Device ID: 0x%x\nReceived IRQs: (%ld)%ld\nPorts:",
1903                     chip->device_id, chip->handled_irqs, chip->received_irqs);
1904         for (i = 0; i < 64; i += 4)
1905                 snd_iprintf(buffer, "%c%02x: %08x",
1906                             (i % 16) ? ' ' : '\n', i, inl(chip->port + i));
1907         if ((cif = chip->cif)) {
1908                 snd_iprintf(buffer,
1909                             "\nVersion: ASIC: %d CODEC: %d AUXDSP: %d PROG: %d",
1910                             chip->firmware.firmware.ASIC,
1911                             chip->firmware.firmware.CODEC,
1912                             chip->firmware.firmware.AUXDSP,
1913                             chip->firmware.firmware.PROG);
1914                 snd_iprintf(buffer, "\nDigital mixer:");
1915                 for (i = 0; i < 12; i++) {
1916                         getmixer(cif, i, &rval, &lval);
1917                         snd_iprintf(buffer, "\n %d: %d %d", i, rval, lval);
1918                 }
1919                 snd_iprintf(buffer,
1920                             "\nARM Commands num: %d failed: %d time: %d max: %d min: %d",
1921                             cif->cmdcnt, cif->errcnt,
1922                             cif->cmdtime, cif->cmdtimemax, cif->cmdtimemin);
1923         }
1924         snd_iprintf(buffer, "\nOpen streams %d:\n", chip->openstreams);
1925         for (i = 0; i < PLAYBACK_SUBSTREAMS; i++) {
1926                 if (chip->playback_substream[i]
1927                     && chip->playback_substream[i]->runtime
1928                     && (data =
1929                         chip->playback_substream[i]->runtime->private_data)) {
1930                         snd_iprintf(buffer,
1931                                     "stream: %d mixer: %d source: %d (%d,%d)\n",
1932                                     data->id, data->mixer, data->source,
1933                                     data->intdec[0], data->intdec[1]);
1934                         if (!(getsamplerate(cif, data->intdec, &rate)))
1935                                 snd_iprintf(buffer, "rate: %d\n", rate);
1936                 }
1937         }
1938         if (chip->capture_substream
1939             && chip->capture_substream->runtime
1940             && (data = chip->capture_substream->runtime->private_data)) {
1941                 snd_iprintf(buffer,
1942                             "stream: %d mixer: %d source: %d (%d,%d)\n",
1943                             data->id, data->mixer,
1944                             data->source, data->intdec[0], data->intdec[1]);
1945                 if (!(getsamplerate(cif, data->intdec, &rate)))
1946                         snd_iprintf(buffer, "rate: %d\n", rate);
1947         }
1948         snd_iprintf(buffer, "Paths:\n");
1949         i = getpaths(cif, p);
1950         while (i >= 2) {
1951                 i -= 2;
1952                 snd_iprintf(buffer, "%x->%x ", p[i], p[i + 1]);
1953         }
1954         snd_iprintf(buffer, "\n");
1955 }
1956
1957 static void snd_riptide_proc_init(struct snd_riptide *chip)
1958 {
1959         snd_card_ro_proc_new(chip->card, "riptide", chip,
1960                              snd_riptide_proc_read);
1961 }
1962
1963 static int snd_riptide_mixer(struct snd_riptide *chip)
1964 {
1965         struct snd_ac97_bus *pbus;
1966         struct snd_ac97_template ac97;
1967         int err = 0;
1968         static const struct snd_ac97_bus_ops ops = {
1969                 .write = snd_riptide_codec_write,
1970                 .read = snd_riptide_codec_read,
1971         };
1972
1973         memset(&ac97, 0, sizeof(ac97));
1974         ac97.private_data = chip;
1975         ac97.scaps = AC97_SCAP_SKIP_MODEM;
1976
1977         if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0)
1978                 return err;
1979
1980         chip->ac97_bus = pbus;
1981         ac97.pci = chip->pci;
1982         if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97)) < 0)
1983                 return err;
1984         return err;
1985 }
1986
1987 #ifdef SUPPORT_JOYSTICK
1988
1989 static int
1990 snd_riptide_joystick_probe(struct pci_dev *pci, const struct pci_device_id *id)
1991 {
1992         static int dev;
1993         struct gameport *gameport;
1994         int ret;
1995
1996         if (dev >= SNDRV_CARDS)
1997                 return -ENODEV;
1998
1999         if (!enable[dev]) {
2000                 ret = -ENOENT;
2001                 goto inc_dev;
2002         }
2003
2004         if (!joystick_port[dev]) {
2005                 ret = 0;
2006                 goto inc_dev;
2007         }
2008
2009         gameport = gameport_allocate_port();
2010         if (!gameport) {
2011                 ret = -ENOMEM;
2012                 goto inc_dev;
2013         }
2014         if (!request_region(joystick_port[dev], 8, "Riptide gameport")) {
2015                 snd_printk(KERN_WARNING
2016                            "Riptide: cannot grab gameport 0x%x\n",
2017                            joystick_port[dev]);
2018                 gameport_free_port(gameport);
2019                 ret = -EBUSY;
2020                 goto inc_dev;
2021         }
2022
2023         gameport->io = joystick_port[dev];
2024         gameport_register_port(gameport);
2025         pci_set_drvdata(pci, gameport);
2026
2027         ret = 0;
2028 inc_dev:
2029         dev++;
2030         return ret;
2031 }
2032
2033 static void snd_riptide_joystick_remove(struct pci_dev *pci)
2034 {
2035         struct gameport *gameport = pci_get_drvdata(pci);
2036         if (gameport) {
2037                 release_region(gameport->io, 8);
2038                 gameport_unregister_port(gameport);
2039         }
2040 }
2041 #endif
2042
2043 static int
2044 snd_card_riptide_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2045 {
2046         static int dev;
2047         struct snd_card *card;
2048         struct snd_riptide *chip;
2049         unsigned short val;
2050         int err;
2051
2052         if (dev >= SNDRV_CARDS)
2053                 return -ENODEV;
2054         if (!enable[dev]) {
2055                 dev++;
2056                 return -ENOENT;
2057         }
2058
2059         err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2060                            0, &card);
2061         if (err < 0)
2062                 return err;
2063         err = snd_riptide_create(card, pci, &chip);
2064         if (err < 0)
2065                 goto error;
2066         card->private_data = chip;
2067         err = snd_riptide_pcm(chip, 0);
2068         if (err < 0)
2069                 goto error;
2070         err = snd_riptide_mixer(chip);
2071         if (err < 0)
2072                 goto error;
2073
2074         val = LEGACY_ENABLE_ALL;
2075         if (opl3_port[dev])
2076                 val |= LEGACY_ENABLE_FM;
2077 #ifdef SUPPORT_JOYSTICK
2078         if (joystick_port[dev])
2079                 val |= LEGACY_ENABLE_GAMEPORT;
2080 #endif
2081         if (mpu_port[dev])
2082                 val |= LEGACY_ENABLE_MPU_INT | LEGACY_ENABLE_MPU;
2083         val |= (chip->irq << 4) & 0xf0;
2084         pci_write_config_word(chip->pci, PCI_EXT_Legacy_Mask, val);
2085         if (mpu_port[dev]) {
2086                 val = mpu_port[dev];
2087                 pci_write_config_word(chip->pci, PCI_EXT_MPU_Base, val);
2088                 err = snd_mpu401_uart_new(card, 0, MPU401_HW_RIPTIDE,
2089                                           val, MPU401_INFO_IRQ_HOOK, -1,
2090                                           &chip->rmidi);
2091                 if (err < 0)
2092                         snd_printk(KERN_WARNING
2093                                    "Riptide: Can't Allocate MPU at 0x%x\n",
2094                                    val);
2095                 else
2096                         chip->mpuaddr = val;
2097         }
2098         if (opl3_port[dev]) {
2099                 val = opl3_port[dev];
2100                 pci_write_config_word(chip->pci, PCI_EXT_FM_Base, val);
2101                 err = snd_opl3_create(card, val, val + 2,
2102                                       OPL3_HW_RIPTIDE, 0, &chip->opl3);
2103                 if (err < 0)
2104                         snd_printk(KERN_WARNING
2105                                    "Riptide: Can't Allocate OPL3 at 0x%x\n",
2106                                    val);
2107                 else {
2108                         chip->opladdr = val;
2109                         err = snd_opl3_hwdep_new(chip->opl3, 0, 1, NULL);
2110                         if (err < 0)
2111                                 snd_printk(KERN_WARNING
2112                                            "Riptide: Can't Allocate OPL3-HWDEP\n");
2113                 }
2114         }
2115 #ifdef SUPPORT_JOYSTICK
2116         if (joystick_port[dev]) {
2117                 val = joystick_port[dev];
2118                 pci_write_config_word(chip->pci, PCI_EXT_Game_Base, val);
2119                 chip->gameaddr = val;
2120         }
2121 #endif
2122
2123         strcpy(card->driver, "RIPTIDE");
2124         strcpy(card->shortname, "Riptide");
2125 #ifdef SUPPORT_JOYSTICK
2126         snprintf(card->longname, sizeof(card->longname),
2127                  "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x gameport 0x%x",
2128                  card->shortname, chip->port, chip->irq, chip->mpuaddr,
2129                  chip->opladdr, chip->gameaddr);
2130 #else
2131         snprintf(card->longname, sizeof(card->longname),
2132                  "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x",
2133                  card->shortname, chip->port, chip->irq, chip->mpuaddr,
2134                  chip->opladdr);
2135 #endif
2136         snd_riptide_proc_init(chip);
2137         err = snd_card_register(card);
2138         if (err < 0)
2139                 goto error;
2140         pci_set_drvdata(pci, card);
2141         dev++;
2142         return 0;
2143
2144  error:
2145         snd_card_free(card);
2146         return err;
2147 }
2148
2149 static void snd_card_riptide_remove(struct pci_dev *pci)
2150 {
2151         snd_card_free(pci_get_drvdata(pci));
2152 }
2153
2154 static struct pci_driver driver = {
2155         .name = KBUILD_MODNAME,
2156         .id_table = snd_riptide_ids,
2157         .probe = snd_card_riptide_probe,
2158         .remove = snd_card_riptide_remove,
2159         .driver = {
2160                 .pm = RIPTIDE_PM_OPS,
2161         },
2162 };
2163
2164 #ifdef SUPPORT_JOYSTICK
2165 static struct pci_driver joystick_driver = {
2166         .name = KBUILD_MODNAME "-joystick",
2167         .id_table = snd_riptide_joystick_ids,
2168         .probe = snd_riptide_joystick_probe,
2169         .remove = snd_riptide_joystick_remove,
2170 };
2171 #endif
2172
2173 static int __init alsa_card_riptide_init(void)
2174 {
2175         int err;
2176         err = pci_register_driver(&driver);
2177         if (err < 0)
2178                 return err;
2179 #if defined(SUPPORT_JOYSTICK)
2180         err = pci_register_driver(&joystick_driver);
2181         /* On failure unregister formerly registered audio driver */
2182         if (err < 0)
2183                 pci_unregister_driver(&driver);
2184 #endif
2185         return err;
2186 }
2187
2188 static void __exit alsa_card_riptide_exit(void)
2189 {
2190         pci_unregister_driver(&driver);
2191 #if defined(SUPPORT_JOYSTICK)
2192         pci_unregister_driver(&joystick_driver);
2193 #endif
2194 }
2195
2196 module_init(alsa_card_riptide_init);
2197 module_exit(alsa_card_riptide_exit);