Merge tag 'mm-stable-2024-05-24-11-49' of git://git.kernel.org/pub/scm/linux/kernel...
[linux-2.6-block.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_FIRMWARE("riptide.hex");
107
108 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
109 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
110 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
111
112 #ifdef SUPPORT_JOYSTICK
113 static int joystick_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x200 };
114 #endif
115 static int mpu_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x330 };
116 static int opl3_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x388 };
117
118 module_param_array(index, int, NULL, 0444);
119 MODULE_PARM_DESC(index, "Index value for Riptide soundcard.");
120 module_param_array(id, charp, NULL, 0444);
121 MODULE_PARM_DESC(id, "ID string for Riptide soundcard.");
122 module_param_array(enable, bool, NULL, 0444);
123 MODULE_PARM_DESC(enable, "Enable Riptide soundcard.");
124 #ifdef SUPPORT_JOYSTICK
125 module_param_hw_array(joystick_port, int, ioport, NULL, 0444);
126 MODULE_PARM_DESC(joystick_port, "Joystick port # for Riptide soundcard.");
127 #endif
128 module_param_hw_array(mpu_port, int, ioport, NULL, 0444);
129 MODULE_PARM_DESC(mpu_port, "MPU401 port # for Riptide driver.");
130 module_param_hw_array(opl3_port, int, ioport, NULL, 0444);
131 MODULE_PARM_DESC(opl3_port, "OPL3 port # for Riptide driver.");
132
133 /*
134  */
135
136 #define MPU401_HW_RIPTIDE MPU401_HW_MPU401
137 #define OPL3_HW_RIPTIDE   OPL3_HW_OPL3
138
139 #define PCI_EXT_CapId       0x40
140 #define PCI_EXT_NextCapPrt  0x41
141 #define PCI_EXT_PWMC        0x42
142 #define PCI_EXT_PWSCR       0x44
143 #define PCI_EXT_Data00      0x46
144 #define PCI_EXT_PMSCR_BSE   0x47
145 #define PCI_EXT_SB_Base     0x48
146 #define PCI_EXT_FM_Base     0x4a
147 #define PCI_EXT_MPU_Base    0x4C
148 #define PCI_EXT_Game_Base   0x4E
149 #define PCI_EXT_Legacy_Mask 0x50
150 #define PCI_EXT_AsicRev     0x52
151 #define PCI_EXT_Reserved3   0x53
152
153 #define LEGACY_ENABLE_ALL      0x8000   /* legacy device options */
154 #define LEGACY_ENABLE_SB       0x4000
155 #define LEGACY_ENABLE_FM       0x2000
156 #define LEGACY_ENABLE_MPU_INT  0x1000
157 #define LEGACY_ENABLE_MPU      0x0800
158 #define LEGACY_ENABLE_GAMEPORT 0x0400
159
160 #define MAX_WRITE_RETRY  10     /* cmd interface limits */
161 #define MAX_ERROR_COUNT  10
162 #define CMDIF_TIMEOUT    50000
163 #define RESET_TRIES      5
164
165 #define READ_PORT_ULONG(p)     inl((unsigned long)&(p))
166 #define WRITE_PORT_ULONG(p,x)  outl(x,(unsigned long)&(p))
167
168 #define READ_AUDIO_CONTROL(p)     READ_PORT_ULONG(p->audio_control)
169 #define WRITE_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,x)
170 #define UMASK_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)|x)
171 #define MASK_AUDIO_CONTROL(p,x)   WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)&x)
172 #define READ_AUDIO_STATUS(p)      READ_PORT_ULONG(p->audio_status)
173
174 #define SET_GRESET(p)     UMASK_AUDIO_CONTROL(p,0x0001) /* global reset switch */
175 #define UNSET_GRESET(p)   MASK_AUDIO_CONTROL(p,~0x0001)
176 #define SET_AIE(p)        UMASK_AUDIO_CONTROL(p,0x0004) /* interrupt enable */
177 #define UNSET_AIE(p)      MASK_AUDIO_CONTROL(p,~0x0004)
178 #define SET_AIACK(p)      UMASK_AUDIO_CONTROL(p,0x0008) /* interrupt acknowledge */
179 #define UNSET_AIACKT(p)   MASKAUDIO_CONTROL(p,~0x0008)
180 #define SET_ECMDAE(p)     UMASK_AUDIO_CONTROL(p,0x0010)
181 #define UNSET_ECMDAE(p)   MASK_AUDIO_CONTROL(p,~0x0010)
182 #define SET_ECMDBE(p)     UMASK_AUDIO_CONTROL(p,0x0020)
183 #define UNSET_ECMDBE(p)   MASK_AUDIO_CONTROL(p,~0x0020)
184 #define SET_EDATAF(p)     UMASK_AUDIO_CONTROL(p,0x0040)
185 #define UNSET_EDATAF(p)   MASK_AUDIO_CONTROL(p,~0x0040)
186 #define SET_EDATBF(p)     UMASK_AUDIO_CONTROL(p,0x0080)
187 #define UNSET_EDATBF(p)   MASK_AUDIO_CONTROL(p,~0x0080)
188 #define SET_ESBIRQON(p)   UMASK_AUDIO_CONTROL(p,0x0100)
189 #define UNSET_ESBIRQON(p) MASK_AUDIO_CONTROL(p,~0x0100)
190 #define SET_EMPUIRQ(p)    UMASK_AUDIO_CONTROL(p,0x0200)
191 #define UNSET_EMPUIRQ(p)  MASK_AUDIO_CONTROL(p,~0x0200)
192 #define IS_CMDE(a)        (READ_PORT_ULONG(a->stat)&0x1)        /* cmd empty */
193 #define IS_DATF(a)        (READ_PORT_ULONG(a->stat)&0x2)        /* data filled */
194 #define IS_READY(p)       (READ_AUDIO_STATUS(p)&0x0001)
195 #define IS_DLREADY(p)     (READ_AUDIO_STATUS(p)&0x0002)
196 #define IS_DLERR(p)       (READ_AUDIO_STATUS(p)&0x0004)
197 #define IS_GERR(p)        (READ_AUDIO_STATUS(p)&0x0008) /* error ! */
198 #define IS_CMDAEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0010)
199 #define IS_CMDBEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0020)
200 #define IS_DATAFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0040)
201 #define IS_DATBFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0080)
202 #define IS_EOBIRQ(p)      (READ_AUDIO_STATUS(p)&0x0100) /* interrupt status */
203 #define IS_EOSIRQ(p)      (READ_AUDIO_STATUS(p)&0x0200)
204 #define IS_EOCIRQ(p)      (READ_AUDIO_STATUS(p)&0x0400)
205 #define IS_UNSLIRQ(p)     (READ_AUDIO_STATUS(p)&0x0800)
206 #define IS_SBIRQ(p)       (READ_AUDIO_STATUS(p)&0x1000)
207 #define IS_MPUIRQ(p)      (READ_AUDIO_STATUS(p)&0x2000)
208
209 #define RESP 0x00000001         /* command flags */
210 #define PARM 0x00000002
211 #define CMDA 0x00000004
212 #define CMDB 0x00000008
213 #define NILL 0x00000000
214
215 #define LONG0(a)   ((u32)a)     /* shifts and masks */
216 #define BYTE0(a)   (LONG0(a)&0xff)
217 #define BYTE1(a)   (BYTE0(a)<<8)
218 #define BYTE2(a)   (BYTE0(a)<<16)
219 #define BYTE3(a)   (BYTE0(a)<<24)
220 #define WORD0(a)   (LONG0(a)&0xffff)
221 #define WORD1(a)   (WORD0(a)<<8)
222 #define WORD2(a)   (WORD0(a)<<16)
223 #define TRINIB0(a) (LONG0(a)&0xffffff)
224 #define TRINIB1(a) (TRINIB0(a)<<8)
225
226 #define RET(a)     ((union cmdret *)(a))
227
228 #define SEND_GETV(p,b)             sendcmd(p,RESP,GETV,0,RET(b))        /* get version */
229 #define SEND_GETC(p,b,c)           sendcmd(p,PARM|RESP,GETC,c,RET(b))
230 #define SEND_GUNS(p,b)             sendcmd(p,RESP,GUNS,0,RET(b))
231 #define SEND_SCID(p,b)             sendcmd(p,RESP,SCID,0,RET(b))
232 #define SEND_RMEM(p,b,c,d)         sendcmd(p,PARM|RESP,RMEM|BYTE1(b),LONG0(c),RET(d))   /* memory access for firmware write */
233 #define SEND_SMEM(p,b,c)           sendcmd(p,PARM,SMEM|BYTE1(b),LONG0(c),RET(0))        /* memory access for firmware write */
234 #define SEND_WMEM(p,b,c)           sendcmd(p,PARM,WMEM|BYTE1(b),LONG0(c),RET(0))        /* memory access for firmware write */
235 #define SEND_SDTM(p,b,c)           sendcmd(p,PARM|RESP,SDTM|TRINIB1(b),0,RET(c))        /* memory access for firmware write */
236 #define SEND_GOTO(p,b)             sendcmd(p,PARM,GOTO,LONG0(b),RET(0)) /* memory access for firmware write */
237 #define SEND_SETDPLL(p)            sendcmd(p,0,ARM_SETDPLL,0,RET(0))
238 #define SEND_SSTR(p,b,c)           sendcmd(p,PARM,SSTR|BYTE3(b),LONG0(c),RET(0))        /* start stream */
239 #define SEND_PSTR(p,b)             sendcmd(p,PARM,PSTR,BYTE3(b),RET(0)) /* pause stream */
240 #define SEND_KSTR(p,b)             sendcmd(p,PARM,KSTR,BYTE3(b),RET(0)) /* stop stream */
241 #define SEND_KDMA(p)               sendcmd(p,0,KDMA,0,RET(0))   /* stop all dma */
242 #define SEND_GPOS(p,b,c,d)         sendcmd(p,PARM|RESP,GPOS,BYTE3(c)|BYTE2(b),RET(d))   /* get position in dma */
243 #define SEND_SETF(p,b,c,d,e,f,g)   sendcmd(p,PARM,SETF|WORD1(b)|BYTE3(c),d|BYTE1(e)|BYTE2(f)|BYTE3(g),RET(0))   /* set sample format at mixer */
244 #define SEND_GSTS(p,b,c,d)         sendcmd(p,PARM|RESP,GSTS,BYTE3(c)|BYTE2(b),RET(d))
245 #define SEND_NGPOS(p,b,c,d)        sendcmd(p,PARM|RESP,NGPOS,BYTE3(c)|BYTE2(b),RET(d))
246 #define SEND_PSEL(p,b,c)           sendcmd(p,PARM,PSEL,BYTE2(b)|BYTE3(c),RET(0))        /* activate lbus path */
247 #define SEND_PCLR(p,b,c)           sendcmd(p,PARM,PCLR,BYTE2(b)|BYTE3(c),RET(0))        /* deactivate lbus path */
248 #define SEND_PLST(p,b)             sendcmd(p,PARM,PLST,BYTE3(b),RET(0))
249 #define SEND_RSSV(p,b,c,d)         sendcmd(p,PARM|RESP,RSSV,BYTE2(b)|BYTE3(c),RET(d))
250 #define SEND_LSEL(p,b,c,d,e,f,g,h) sendcmd(p,PARM,LSEL|BYTE1(b)|BYTE2(c)|BYTE3(d),BYTE0(e)|BYTE1(f)|BYTE2(g)|BYTE3(h),RET(0))   /* select paths for internal connections */
251 #define SEND_SSRC(p,b,c,d,e)       sendcmd(p,PARM,SSRC|BYTE1(b)|WORD2(c),WORD0(d)|WORD2(e),RET(0))      /* configure source */
252 #define SEND_SLST(p,b)             sendcmd(p,PARM,SLST,BYTE3(b),RET(0))
253 #define SEND_RSRC(p,b,c)           sendcmd(p,RESP,RSRC|BYTE1(b),0,RET(c))       /* read source config */
254 #define SEND_SSRB(p,b,c)           sendcmd(p,PARM,SSRB|BYTE1(b),WORD2(c),RET(0))
255 #define SEND_SDGV(p,b,c,d,e)       sendcmd(p,PARM,SDGV|BYTE2(b)|BYTE3(c),WORD0(d)|WORD2(e),RET(0))      /* set digital mixer */
256 #define SEND_RDGV(p,b,c,d)         sendcmd(p,PARM|RESP,RDGV|BYTE2(b)|BYTE3(c),0,RET(d)) /* read digital mixer */
257 #define SEND_DLST(p,b)             sendcmd(p,PARM,DLST,BYTE3(b),RET(0))
258 #define SEND_SACR(p,b,c)           sendcmd(p,PARM,SACR,WORD0(b)|WORD2(c),RET(0))        /* set AC97 register */
259 #define SEND_RACR(p,b,c)           sendcmd(p,PARM|RESP,RACR,WORD2(b),RET(c))    /* get AC97 register */
260 #define SEND_ALST(p,b)             sendcmd(p,PARM,ALST,BYTE3(b),RET(0))
261 #define SEND_TXAC(p,b,c,d,e,f)     sendcmd(p,PARM,TXAC|BYTE1(b)|WORD2(c),WORD0(d)|BYTE2(e)|BYTE3(f),RET(0))
262 #define SEND_RXAC(p,b,c,d)         sendcmd(p,PARM|RESP,RXAC,BYTE2(b)|BYTE3(c),RET(d))
263 #define SEND_SI2S(p,b)             sendcmd(p,PARM,SI2S,WORD2(b),RET(0))
264
265 #define EOB_STATUS         0x80000000   /* status flags : block boundary */
266 #define EOS_STATUS         0x40000000   /*              : stoppped */
267 #define EOC_STATUS         0x20000000   /*              : stream end */
268 #define ERR_STATUS         0x10000000
269 #define EMPTY_STATUS       0x08000000
270
271 #define IEOB_ENABLE        0x1  /* enable interrupts for status notification above */
272 #define IEOS_ENABLE        0x2
273 #define IEOC_ENABLE        0x4
274 #define RDONCE             0x8
275 #define DESC_MAX_MASK      0xff
276
277 #define ST_PLAY  0x1            /* stream states */
278 #define ST_STOP  0x2
279 #define ST_PAUSE 0x4
280
281 #define I2S_INTDEC     3        /* config for I2S link */
282 #define I2S_MERGER     0
283 #define I2S_SPLITTER   0
284 #define I2S_MIXER      7
285 #define I2S_RATE       44100
286
287 #define MODEM_INTDEC   4        /* config for modem link */
288 #define MODEM_MERGER   3
289 #define MODEM_SPLITTER 0
290 #define MODEM_MIXER    11
291
292 #define FM_INTDEC      3        /* config for FM/OPL3 link */
293 #define FM_MERGER      0
294 #define FM_SPLITTER    0
295 #define FM_MIXER       9
296
297 #define SPLIT_PATH  0x80        /* path splitting flag */
298
299 enum FIRMWARE {
300         DATA_REC = 0, EXT_END_OF_FILE, EXT_SEG_ADDR_REC, EXT_GOTO_CMD_REC,
301         EXT_LIN_ADDR_REC,
302 };
303
304 enum CMDS {
305         GETV = 0x00, GETC, GUNS, SCID, RMEM =
306             0x10, SMEM, WMEM, SDTM, GOTO, SSTR =
307             0x20, PSTR, KSTR, KDMA, GPOS, SETF, GSTS, NGPOS, PSEL =
308             0x30, PCLR, PLST, RSSV, LSEL, SSRC = 0x40, SLST, RSRC, SSRB, SDGV =
309             0x50, RDGV, DLST, SACR = 0x60, RACR, ALST, TXAC, RXAC, SI2S =
310             0x70, ARM_SETDPLL = 0x72,
311 };
312
313 enum E1SOURCE {
314         ARM2LBUS_FIFO0 = 0, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2, ARM2LBUS_FIFO3,
315         ARM2LBUS_FIFO4, ARM2LBUS_FIFO5, ARM2LBUS_FIFO6, ARM2LBUS_FIFO7,
316         ARM2LBUS_FIFO8, ARM2LBUS_FIFO9, ARM2LBUS_FIFO10, ARM2LBUS_FIFO11,
317         ARM2LBUS_FIFO12, ARM2LBUS_FIFO13, ARM2LBUS_FIFO14, ARM2LBUS_FIFO15,
318         INTER0_OUT, INTER1_OUT, INTER2_OUT, INTER3_OUT, INTER4_OUT,
319         INTERM0_OUT, INTERM1_OUT, INTERM2_OUT, INTERM3_OUT, INTERM4_OUT,
320         INTERM5_OUT, INTERM6_OUT, DECIMM0_OUT, DECIMM1_OUT, DECIMM2_OUT,
321         DECIMM3_OUT, DECIM0_OUT, SR3_4_OUT, OPL3_SAMPLE, ASRC0, ASRC1,
322         ACLNK2PADC, ACLNK2MODEM0RX, ACLNK2MIC, ACLNK2MODEM1RX, ACLNK2HNDMIC,
323         DIGITAL_MIXER_OUT0, GAINFUNC0_OUT, GAINFUNC1_OUT, GAINFUNC2_OUT,
324         GAINFUNC3_OUT, GAINFUNC4_OUT, SOFTMODEMTX, SPLITTER0_OUTL,
325         SPLITTER0_OUTR, SPLITTER1_OUTL, SPLITTER1_OUTR, SPLITTER2_OUTL,
326         SPLITTER2_OUTR, SPLITTER3_OUTL, SPLITTER3_OUTR, MERGER0_OUT,
327         MERGER1_OUT, MERGER2_OUT, MERGER3_OUT, ARM2LBUS_FIFO_DIRECT, NO_OUT
328 };
329
330 enum E2SINK {
331         LBUS2ARM_FIFO0 = 0, LBUS2ARM_FIFO1, LBUS2ARM_FIFO2, LBUS2ARM_FIFO3,
332         LBUS2ARM_FIFO4, LBUS2ARM_FIFO5, LBUS2ARM_FIFO6, LBUS2ARM_FIFO7,
333         INTER0_IN, INTER1_IN, INTER2_IN, INTER3_IN, INTER4_IN, INTERM0_IN,
334         INTERM1_IN, INTERM2_IN, INTERM3_IN, INTERM4_IN, INTERM5_IN, INTERM6_IN,
335         DECIMM0_IN, DECIMM1_IN, DECIMM2_IN, DECIMM3_IN, DECIM0_IN, SR3_4_IN,
336         PDAC2ACLNK, MODEM0TX2ACLNK, MODEM1TX2ACLNK, HNDSPK2ACLNK,
337         DIGITAL_MIXER_IN0, DIGITAL_MIXER_IN1, DIGITAL_MIXER_IN2,
338         DIGITAL_MIXER_IN3, DIGITAL_MIXER_IN4, DIGITAL_MIXER_IN5,
339         DIGITAL_MIXER_IN6, DIGITAL_MIXER_IN7, DIGITAL_MIXER_IN8,
340         DIGITAL_MIXER_IN9, DIGITAL_MIXER_IN10, DIGITAL_MIXER_IN11,
341         GAINFUNC0_IN, GAINFUNC1_IN, GAINFUNC2_IN, GAINFUNC3_IN, GAINFUNC4_IN,
342         SOFTMODEMRX, SPLITTER0_IN, SPLITTER1_IN, SPLITTER2_IN, SPLITTER3_IN,
343         MERGER0_INL, MERGER0_INR, MERGER1_INL, MERGER1_INR, MERGER2_INL,
344         MERGER2_INR, MERGER3_INL, MERGER3_INR, E2SINK_MAX
345 };
346
347 enum LBUS_SINK {
348         LS_SRC_INTERPOLATOR = 0, LS_SRC_INTERPOLATORM, LS_SRC_DECIMATOR,
349         LS_SRC_DECIMATORM, LS_MIXER_IN, LS_MIXER_GAIN_FUNCTION,
350         LS_SRC_SPLITTER, LS_SRC_MERGER, LS_NONE1, LS_NONE2,
351 };
352
353 enum RT_CHANNEL_IDS {
354         M0TX = 0, M1TX, TAMTX, HSSPKR, PDAC, DSNDTX0, DSNDTX1, DSNDTX2,
355         DSNDTX3, DSNDTX4, DSNDTX5, DSNDTX6, DSNDTX7, WVSTRTX, COP3DTX, SPARE,
356         M0RX, HSMIC, M1RX, CLEANRX, MICADC, PADC, COPRX1, COPRX2,
357         CHANNEL_ID_COUNTER
358 };
359
360 enum { SB_CMD = 0, MODEM_CMD, I2S_CMD0, I2S_CMD1, FM_CMD, MAX_CMD };
361
362 struct lbuspath {
363         const unsigned char *noconv;
364         const unsigned char *stereo;
365         const unsigned char *mono;
366 };
367
368 struct cmdport {
369         u32 data1;              /* cmd,param */
370         u32 data2;              /* param */
371         u32 stat;               /* status */
372         u32 pad[5];
373 };
374
375 struct riptideport {
376         u32 audio_control;      /* status registers */
377         u32 audio_status;
378         u32 pad[2];
379         struct cmdport port[2]; /* command ports */
380 };
381
382 struct cmdif {
383         struct riptideport *hwport;
384         spinlock_t lock;
385         unsigned int cmdcnt;    /* cmd statistics */
386         unsigned int cmdtime;
387         unsigned int cmdtimemax;
388         unsigned int cmdtimemin;
389         unsigned int errcnt;
390         int is_reset;
391 };
392
393 struct riptide_firmware {
394         u16 ASIC;
395         u16 CODEC;
396         u16 AUXDSP;
397         u16 PROG;
398 };
399
400 union cmdret {
401         u8 retbytes[8];
402         u16 retwords[4];
403         u32 retlongs[2];
404 };
405
406 union firmware_version {
407         union cmdret ret;
408         struct riptide_firmware firmware;
409 };
410
411 #define get_pcmhwdev(substream) (struct pcmhw *)(substream->runtime->private_data)
412
413 #define PLAYBACK_SUBSTREAMS 3
414 struct snd_riptide {
415         struct snd_card *card;
416         struct pci_dev *pci;
417         const struct firmware *fw_entry;
418
419         struct cmdif *cif;
420
421         struct snd_pcm *pcm;
422         struct snd_pcm *pcm_i2s;
423         struct snd_rawmidi *rmidi;
424         struct snd_opl3 *opl3;
425         struct snd_ac97 *ac97;
426         struct snd_ac97_bus *ac97_bus;
427
428         struct snd_pcm_substream *playback_substream[PLAYBACK_SUBSTREAMS];
429         struct snd_pcm_substream *capture_substream;
430
431         int openstreams;
432
433         int irq;
434         unsigned long port;
435         unsigned short mpuaddr;
436         unsigned short opladdr;
437 #ifdef SUPPORT_JOYSTICK
438         unsigned short gameaddr;
439 #endif
440         struct resource *res_port;
441
442         unsigned short device_id;
443
444         union firmware_version firmware;
445
446         spinlock_t lock;
447         struct snd_info_entry *proc_entry;
448
449         unsigned long received_irqs;
450         unsigned long handled_irqs;
451         int in_suspend;
452 };
453
454 struct sgd {                    /* scatter gather desriptor */
455         __le32 dwNextLink;
456         __le32 dwSegPtrPhys;
457         __le32 dwSegLen;
458         __le32 dwStat_Ctl;
459 };
460
461 struct pcmhw {                  /* pcm descriptor */
462         struct lbuspath paths;
463         const unsigned char *lbuspath;
464         unsigned char source;
465         unsigned char intdec[2];
466         unsigned char mixer;
467         unsigned char id;
468         unsigned char state;
469         unsigned int rate;
470         unsigned int channels;
471         snd_pcm_format_t format;
472         struct snd_dma_buffer sgdlist;
473         struct sgd *sgdbuf;
474         unsigned int size;
475         unsigned int pages;
476         unsigned int oldpos;
477         unsigned int pointer;
478 };
479
480 #define CMDRET_ZERO (union cmdret){{(u32)0, (u32) 0}}
481
482 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
483                    union cmdret *ret);
484 static int getsourcesink(struct cmdif *cif, unsigned char source,
485                          unsigned char sink, unsigned char *a,
486                          unsigned char *b);
487 static int snd_riptide_initialize(struct snd_riptide *chip);
488 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip);
489
490 /*
491  */
492
493 static const struct pci_device_id snd_riptide_ids[] = {
494         { PCI_DEVICE(0x127a, 0x4310) },
495         { PCI_DEVICE(0x127a, 0x4320) },
496         { PCI_DEVICE(0x127a, 0x4330) },
497         { PCI_DEVICE(0x127a, 0x4340) },
498         {0,},
499 };
500
501 #ifdef SUPPORT_JOYSTICK
502 static const struct pci_device_id snd_riptide_joystick_ids[] = {
503         { PCI_DEVICE(0x127a, 0x4312) },
504         { PCI_DEVICE(0x127a, 0x4322) },
505         { PCI_DEVICE(0x127a, 0x4332) },
506         { PCI_DEVICE(0x127a, 0x4342) },
507         {0,},
508 };
509 #endif
510
511 MODULE_DEVICE_TABLE(pci, snd_riptide_ids);
512
513 /*
514  */
515
516 static const unsigned char lbusin2out[E2SINK_MAX + 1][2] = {
517         {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
518                                                                      LS_NONE2},
519         {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
520                                                                      LS_NONE2},
521         {INTER0_OUT, LS_SRC_INTERPOLATOR}, {INTER1_OUT, LS_SRC_INTERPOLATOR},
522         {INTER2_OUT, LS_SRC_INTERPOLATOR}, {INTER3_OUT, LS_SRC_INTERPOLATOR},
523         {INTER4_OUT, LS_SRC_INTERPOLATOR}, {INTERM0_OUT, LS_SRC_INTERPOLATORM},
524         {INTERM1_OUT, LS_SRC_INTERPOLATORM}, {INTERM2_OUT,
525                                               LS_SRC_INTERPOLATORM},
526         {INTERM3_OUT, LS_SRC_INTERPOLATORM}, {INTERM4_OUT,
527                                               LS_SRC_INTERPOLATORM},
528         {INTERM5_OUT, LS_SRC_INTERPOLATORM}, {INTERM6_OUT,
529                                               LS_SRC_INTERPOLATORM},
530         {DECIMM0_OUT, LS_SRC_DECIMATORM}, {DECIMM1_OUT, LS_SRC_DECIMATORM},
531         {DECIMM2_OUT, LS_SRC_DECIMATORM}, {DECIMM3_OUT, LS_SRC_DECIMATORM},
532         {DECIM0_OUT, LS_SRC_DECIMATOR}, {SR3_4_OUT, LS_NONE1}, {NO_OUT,
533                                                                 LS_NONE2},
534         {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1},
535         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
536         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
537         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
538         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
539         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
540         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
541         {GAINFUNC0_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC1_OUT,
542                                                   LS_MIXER_GAIN_FUNCTION},
543         {GAINFUNC2_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC3_OUT,
544                                                   LS_MIXER_GAIN_FUNCTION},
545         {GAINFUNC4_OUT, LS_MIXER_GAIN_FUNCTION}, {SOFTMODEMTX, LS_NONE1},
546         {SPLITTER0_OUTL, LS_SRC_SPLITTER}, {SPLITTER1_OUTL, LS_SRC_SPLITTER},
547         {SPLITTER2_OUTL, LS_SRC_SPLITTER}, {SPLITTER3_OUTL, LS_SRC_SPLITTER},
548         {MERGER0_OUT, LS_SRC_MERGER}, {MERGER0_OUT, LS_SRC_MERGER},
549         {MERGER1_OUT, LS_SRC_MERGER},
550         {MERGER1_OUT, LS_SRC_MERGER}, {MERGER2_OUT, LS_SRC_MERGER},
551         {MERGER2_OUT, LS_SRC_MERGER},
552         {MERGER3_OUT, LS_SRC_MERGER}, {MERGER3_OUT, LS_SRC_MERGER}, {NO_OUT,
553                                                                      LS_NONE2},
554 };
555
556 static const unsigned char lbus_play_opl3[] = {
557         DIGITAL_MIXER_IN0 + FM_MIXER, 0xff
558 };
559 static const unsigned char lbus_play_modem[] = {
560         DIGITAL_MIXER_IN0 + MODEM_MIXER, 0xff
561 };
562 static const unsigned char lbus_play_i2s[] = {
563         INTER0_IN + I2S_INTDEC, DIGITAL_MIXER_IN0 + I2S_MIXER, 0xff
564 };
565 static const unsigned char lbus_play_out[] = {
566         PDAC2ACLNK, 0xff
567 };
568 static const unsigned char lbus_play_outhp[] = {
569         HNDSPK2ACLNK, 0xff
570 };
571 static const unsigned char lbus_play_noconv1[] = {
572         DIGITAL_MIXER_IN0, 0xff
573 };
574 static const unsigned char lbus_play_stereo1[] = {
575         INTER0_IN, DIGITAL_MIXER_IN0, 0xff
576 };
577 static const unsigned char lbus_play_mono1[] = {
578         INTERM0_IN, DIGITAL_MIXER_IN0, 0xff
579 };
580 static const unsigned char lbus_play_noconv2[] = {
581         DIGITAL_MIXER_IN1, 0xff
582 };
583 static const unsigned char lbus_play_stereo2[] = {
584         INTER1_IN, DIGITAL_MIXER_IN1, 0xff
585 };
586 static const unsigned char lbus_play_mono2[] = {
587         INTERM1_IN, DIGITAL_MIXER_IN1, 0xff
588 };
589 static const unsigned char lbus_play_noconv3[] = {
590         DIGITAL_MIXER_IN2, 0xff
591 };
592 static const unsigned char lbus_play_stereo3[] = {
593         INTER2_IN, DIGITAL_MIXER_IN2, 0xff
594 };
595 static const unsigned char lbus_play_mono3[] = {
596         INTERM2_IN, DIGITAL_MIXER_IN2, 0xff
597 };
598 static const unsigned char lbus_rec_noconv1[] = {
599         LBUS2ARM_FIFO5, 0xff
600 };
601 static const unsigned char lbus_rec_stereo1[] = {
602         DECIM0_IN, LBUS2ARM_FIFO5, 0xff
603 };
604 static const unsigned char lbus_rec_mono1[] = {
605         DECIMM3_IN, LBUS2ARM_FIFO5, 0xff
606 };
607
608 static const unsigned char play_ids[] = { 4, 1, 2, };
609 static const unsigned char play_sources[] = {
610         ARM2LBUS_FIFO4, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2,
611 };
612 static const struct lbuspath lbus_play_paths[] = {
613         {
614          .noconv = lbus_play_noconv1,
615          .stereo = lbus_play_stereo1,
616          .mono = lbus_play_mono1,
617          },
618         {
619          .noconv = lbus_play_noconv2,
620          .stereo = lbus_play_stereo2,
621          .mono = lbus_play_mono2,
622          },
623         {
624          .noconv = lbus_play_noconv3,
625          .stereo = lbus_play_stereo3,
626          .mono = lbus_play_mono3,
627          },
628 };
629 static const struct lbuspath lbus_rec_path = {
630         .noconv = lbus_rec_noconv1,
631         .stereo = lbus_rec_stereo1,
632         .mono = lbus_rec_mono1,
633 };
634
635 #define FIRMWARE_VERSIONS 1
636 static union firmware_version firmware_versions[] = {
637         {
638                 .firmware = {
639                         .ASIC = 3,
640                         .CODEC = 2,
641                         .AUXDSP = 3,
642                         .PROG = 773,
643                 },
644         },
645 };
646
647 static u32 atoh(const unsigned char *in, unsigned int len)
648 {
649         u32 sum = 0;
650         unsigned int mult = 1;
651         unsigned char c;
652
653         while (len) {
654                 int value;
655
656                 c = in[len - 1];
657                 value = hex_to_bin(c);
658                 if (value >= 0)
659                         sum += mult * value;
660                 mult *= 16;
661                 --len;
662         }
663         return sum;
664 }
665
666 static int senddata(struct cmdif *cif, const unsigned char *in, u32 offset)
667 {
668         u32 addr;
669         u32 data;
670         u32 i;
671         const unsigned char *p;
672
673         i = atoh(&in[1], 2);
674         addr = offset + atoh(&in[3], 4);
675         if (SEND_SMEM(cif, 0, addr) != 0)
676                 return -EACCES;
677         p = in + 9;
678         while (i) {
679                 data = atoh(p, 8);
680                 if (SEND_WMEM(cif, 2,
681                               ((data & 0x0f0f0f0f) << 4) | ((data & 0xf0f0f0f0)
682                                                             >> 4)))
683                         return -EACCES;
684                 i -= 4;
685                 p += 8;
686         }
687         return 0;
688 }
689
690 static int loadfirmware(struct cmdif *cif, const unsigned char *img,
691                         unsigned int size)
692 {
693         const unsigned char *in;
694         u32 laddr, saddr, t, val;
695         int err = 0;
696
697         laddr = saddr = 0;
698         while (size > 0 && err == 0) {
699                 in = img;
700                 if (in[0] == ':') {
701                         t = atoh(&in[7], 2);
702                         switch (t) {
703                         case DATA_REC:
704                                 err = senddata(cif, in, laddr + saddr);
705                                 break;
706                         case EXT_SEG_ADDR_REC:
707                                 saddr = atoh(&in[9], 4) << 4;
708                                 break;
709                         case EXT_LIN_ADDR_REC:
710                                 laddr = atoh(&in[9], 4) << 16;
711                                 break;
712                         case EXT_GOTO_CMD_REC:
713                                 val = atoh(&in[9], 8);
714                                 if (SEND_GOTO(cif, val) != 0)
715                                         err = -EACCES;
716                                 break;
717                         case EXT_END_OF_FILE:
718                                 size = 0;
719                                 break;
720                         default:
721                                 break;
722                         }
723                         while (size > 0) {
724                                 size--;
725                                 if (*img++ == '\n')
726                                         break;
727                         }
728                 }
729         }
730         snd_printdd("load firmware return %d\n", err);
731         return err;
732 }
733
734 static void
735 alloclbuspath(struct cmdif *cif, unsigned char source,
736               const unsigned char *path, unsigned char *mixer, unsigned char *s)
737 {
738         while (*path != 0xff) {
739                 unsigned char sink, type;
740
741                 sink = *path & (~SPLIT_PATH);
742                 if (sink != E2SINK_MAX) {
743                         snd_printdd("alloc path 0x%x->0x%x\n", source, sink);
744                         SEND_PSEL(cif, source, sink);
745                         source = lbusin2out[sink][0];
746                         type = lbusin2out[sink][1];
747                         if (type == LS_MIXER_IN) {
748                                 if (mixer)
749                                         *mixer = sink - DIGITAL_MIXER_IN0;
750                         }
751                         if (type == LS_SRC_DECIMATORM ||
752                             type == LS_SRC_DECIMATOR ||
753                             type == LS_SRC_INTERPOLATORM ||
754                             type == LS_SRC_INTERPOLATOR) {
755                                 if (s) {
756                                         if (s[0] != 0xff)
757                                                 s[1] = sink;
758                                         else
759                                                 s[0] = sink;
760                                 }
761                         }
762                 }
763                 if (*path++ & SPLIT_PATH) {
764                         const unsigned char *npath = path;
765
766                         while (*npath != 0xff)
767                                 npath++;
768                         alloclbuspath(cif, source + 1, ++npath, mixer, s);
769                 }
770         }
771 }
772
773 static void
774 freelbuspath(struct cmdif *cif, unsigned char source, const unsigned char *path)
775 {
776         while (*path != 0xff) {
777                 unsigned char sink;
778
779                 sink = *path & (~SPLIT_PATH);
780                 if (sink != E2SINK_MAX) {
781                         snd_printdd("free path 0x%x->0x%x\n", source, sink);
782                         SEND_PCLR(cif, source, sink);
783                         source = lbusin2out[sink][0];
784                 }
785                 if (*path++ & SPLIT_PATH) {
786                         const unsigned char *npath = path;
787
788                         while (*npath != 0xff)
789                                 npath++;
790                         freelbuspath(cif, source + 1, ++npath);
791                 }
792         }
793 }
794
795 static int writearm(struct cmdif *cif, u32 addr, u32 data, u32 mask)
796 {
797         union cmdret rptr = CMDRET_ZERO;
798         unsigned int i = MAX_WRITE_RETRY;
799         int flag = 1;
800
801         SEND_RMEM(cif, 0x02, addr, &rptr);
802         rptr.retlongs[0] &= (~mask);
803
804         while (--i) {
805                 SEND_SMEM(cif, 0x01, addr);
806                 SEND_WMEM(cif, 0x02, (rptr.retlongs[0] | data));
807                 SEND_RMEM(cif, 0x02, addr, &rptr);
808                 if ((rptr.retlongs[0] & data) == data) {
809                         flag = 0;
810                         break;
811                 } else
812                         rptr.retlongs[0] &= ~mask;
813         }
814         snd_printdd("send arm 0x%x 0x%x 0x%x return %d\n", addr, data, mask,
815                     flag);
816         return flag;
817 }
818
819 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
820                    union cmdret *ret)
821 {
822         int i, j;
823         int err;
824         unsigned int time = 0;
825         unsigned long irqflags;
826         struct riptideport *hwport;
827         struct cmdport *cmdport = NULL;
828
829         if (snd_BUG_ON(!cif))
830                 return -EINVAL;
831
832         hwport = cif->hwport;
833         if (cif->errcnt > MAX_ERROR_COUNT) {
834                 if (cif->is_reset) {
835                         snd_printk(KERN_ERR
836                                    "Riptide: Too many failed cmds, reinitializing\n");
837                         if (riptide_reset(cif, NULL) == 0) {
838                                 cif->errcnt = 0;
839                                 return -EIO;
840                         }
841                 }
842                 snd_printk(KERN_ERR "Riptide: Initialization failed.\n");
843                 return -EINVAL;
844         }
845         if (ret) {
846                 ret->retlongs[0] = 0;
847                 ret->retlongs[1] = 0;
848         }
849         i = 0;
850         spin_lock_irqsave(&cif->lock, irqflags);
851         while (i++ < CMDIF_TIMEOUT && !IS_READY(cif->hwport))
852                 udelay(10);
853         if (i > CMDIF_TIMEOUT) {
854                 err = -EBUSY;
855                 goto errout;
856         }
857
858         err = 0;
859         for (j = 0, time = 0; time < CMDIF_TIMEOUT; j++, time += 2) {
860                 cmdport = &(hwport->port[j % 2]);
861                 if (IS_DATF(cmdport)) { /* free pending data */
862                         READ_PORT_ULONG(cmdport->data1);
863                         READ_PORT_ULONG(cmdport->data2);
864                 }
865                 if (IS_CMDE(cmdport)) {
866                         if (flags & PARM)       /* put data */
867                                 WRITE_PORT_ULONG(cmdport->data2, parm);
868                         WRITE_PORT_ULONG(cmdport->data1, cmd);  /* write cmd */
869                         if ((flags & RESP) && ret) {
870                                 while (!IS_DATF(cmdport) &&
871                                        time < CMDIF_TIMEOUT) {
872                                         udelay(10);
873                                         time++;
874                                 }
875                                 if (time < CMDIF_TIMEOUT) {     /* read response */
876                                         ret->retlongs[0] =
877                                             READ_PORT_ULONG(cmdport->data1);
878                                         ret->retlongs[1] =
879                                             READ_PORT_ULONG(cmdport->data2);
880                                 } else {
881                                         err = -ENOSYS;
882                                         goto errout;
883                                 }
884                         }
885                         break;
886                 }
887                 udelay(20);
888         }
889         if (time == CMDIF_TIMEOUT) {
890                 err = -ENODATA;
891                 goto errout;
892         }
893         spin_unlock_irqrestore(&cif->lock, irqflags);
894
895         cif->cmdcnt++;          /* update command statistics */
896         cif->cmdtime += time;
897         if (time > cif->cmdtimemax)
898                 cif->cmdtimemax = time;
899         if (time < cif->cmdtimemin)
900                 cif->cmdtimemin = time;
901         if ((cif->cmdcnt) % 1000 == 0)
902                 snd_printdd
903                     ("send cmd %d time: %d mintime: %d maxtime %d err: %d\n",
904                      cif->cmdcnt, cif->cmdtime, cif->cmdtimemin,
905                      cif->cmdtimemax, cif->errcnt);
906         return 0;
907
908       errout:
909         cif->errcnt++;
910         spin_unlock_irqrestore(&cif->lock, irqflags);
911         snd_printdd
912             ("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",
913              cif->cmdcnt, (int)((void *)&(cmdport->stat) - (void *)hwport),
914              flags, cmd, parm, ret ? ret->retlongs[0] : 0,
915              ret ? ret->retlongs[1] : 0, IS_CMDE(cmdport), IS_DATF(cmdport),
916              err);
917         return err;
918 }
919
920 static int
921 setmixer(struct cmdif *cif, short num, unsigned short rval, unsigned short lval)
922 {
923         union cmdret rptr = CMDRET_ZERO;
924         int i = 0;
925
926         snd_printdd("sent mixer %d: 0x%x 0x%x\n", num, rval, lval);
927         do {
928                 SEND_SDGV(cif, num, num, rval, lval);
929                 SEND_RDGV(cif, num, num, &rptr);
930                 if (rptr.retwords[0] == lval && rptr.retwords[1] == rval)
931                         return 0;
932         } while (i++ < MAX_WRITE_RETRY);
933         snd_printdd("sent mixer failed\n");
934         return -EIO;
935 }
936
937 static int getpaths(struct cmdif *cif, unsigned char *o)
938 {
939         unsigned char src[E2SINK_MAX];
940         unsigned char sink[E2SINK_MAX];
941         int i, j = 0;
942
943         for (i = 0; i < E2SINK_MAX; i++) {
944                 getsourcesink(cif, i, i, &src[i], &sink[i]);
945                 if (sink[i] < E2SINK_MAX) {
946                         o[j++] = sink[i];
947                         o[j++] = i;
948                 }
949         }
950         return j;
951 }
952
953 static int
954 getsourcesink(struct cmdif *cif, unsigned char source, unsigned char sink,
955               unsigned char *a, unsigned char *b)
956 {
957         union cmdret rptr = CMDRET_ZERO;
958
959         if (SEND_RSSV(cif, source, sink, &rptr) &&
960             SEND_RSSV(cif, source, sink, &rptr))
961                 return -EIO;
962         *a = rptr.retbytes[0];
963         *b = rptr.retbytes[1];
964         snd_printdd("getsourcesink 0x%x 0x%x\n", *a, *b);
965         return 0;
966 }
967
968 static int
969 getsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int *rate)
970 {
971         unsigned char *s;
972         unsigned int p[2] = { 0, 0 };
973         int i;
974         union cmdret rptr = CMDRET_ZERO;
975
976         s = intdec;
977         for (i = 0; i < 2; i++) {
978                 if (*s != 0xff) {
979                         if (SEND_RSRC(cif, *s, &rptr) &&
980                             SEND_RSRC(cif, *s, &rptr))
981                                 return -EIO;
982                         p[i] += rptr.retwords[1];
983                         p[i] *= rptr.retwords[2];
984                         p[i] += rptr.retwords[3];
985                         p[i] /= 65536;
986                 }
987                 s++;
988         }
989         if (p[0]) {
990                 if (p[1] != p[0])
991                         snd_printdd("rates differ %d %d\n", p[0], p[1]);
992                 *rate = (unsigned int)p[0];
993         } else
994                 *rate = (unsigned int)p[1];
995         snd_printdd("getsampleformat %d %d %d\n", intdec[0], intdec[1], *rate);
996         return 0;
997 }
998
999 static int
1000 setsampleformat(struct cmdif *cif,
1001                 unsigned char mixer, unsigned char id,
1002                 unsigned char channels, snd_pcm_format_t format)
1003 {
1004         unsigned char w, ch, sig, order;
1005
1006         snd_printdd
1007             ("setsampleformat mixer: %d id: %d channels: %d format: %d\n",
1008              mixer, id, channels, format);
1009         ch = channels == 1;
1010         w = snd_pcm_format_width(format) == 8;
1011         sig = snd_pcm_format_unsigned(format) != 0;
1012         order = snd_pcm_format_big_endian(format) != 0;
1013
1014         if (SEND_SETF(cif, mixer, w, ch, order, sig, id) &&
1015             SEND_SETF(cif, mixer, w, ch, order, sig, id)) {
1016                 snd_printdd("setsampleformat failed\n");
1017                 return -EIO;
1018         }
1019         return 0;
1020 }
1021
1022 static int
1023 setsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int rate)
1024 {
1025         u32 D, M, N;
1026         union cmdret rptr = CMDRET_ZERO;
1027         int i;
1028
1029         snd_printdd("setsamplerate intdec: %d,%d rate: %d\n", intdec[0],
1030                     intdec[1], rate);
1031         D = 48000;
1032         M = ((rate == 48000) ? 47999 : rate) * 65536;
1033         N = M % D;
1034         M /= D;
1035         for (i = 0; i < 2; i++) {
1036                 if (*intdec != 0xff) {
1037                         do {
1038                                 SEND_SSRC(cif, *intdec, D, M, N);
1039                                 SEND_RSRC(cif, *intdec, &rptr);
1040                         } while (rptr.retwords[1] != D &&
1041                                  rptr.retwords[2] != M &&
1042                                  rptr.retwords[3] != N &&
1043                                  i++ < MAX_WRITE_RETRY);
1044                         if (i > MAX_WRITE_RETRY) {
1045                                 snd_printdd("sent samplerate %d: %d failed\n",
1046                                             *intdec, rate);
1047                                 return -EIO;
1048                         }
1049                 }
1050                 intdec++;
1051         }
1052         return 0;
1053 }
1054
1055 static int
1056 getmixer(struct cmdif *cif, short num, unsigned short *rval,
1057          unsigned short *lval)
1058 {
1059         union cmdret rptr = CMDRET_ZERO;
1060
1061         if (SEND_RDGV(cif, num, num, &rptr) && SEND_RDGV(cif, num, num, &rptr))
1062                 return -EIO;
1063         *rval = rptr.retwords[0];
1064         *lval = rptr.retwords[1];
1065         snd_printdd("got mixer %d: 0x%x 0x%x\n", num, *rval, *lval);
1066         return 0;
1067 }
1068
1069 static irqreturn_t riptide_handleirq(int irq, void *dev_id)
1070 {
1071         struct snd_riptide *chip = dev_id;
1072         struct cmdif *cif = chip->cif;
1073         struct snd_pcm_substream *substream[PLAYBACK_SUBSTREAMS + 1];
1074         struct snd_pcm_runtime *runtime;
1075         struct pcmhw *data = NULL;
1076         unsigned int pos, period_bytes;
1077         struct sgd *c;
1078         int i, j;
1079         unsigned int flag;
1080
1081         if (!cif)
1082                 return IRQ_HANDLED;
1083
1084         for (i = 0; i < PLAYBACK_SUBSTREAMS; i++)
1085                 substream[i] = chip->playback_substream[i];
1086         substream[i] = chip->capture_substream;
1087         for (i = 0; i < PLAYBACK_SUBSTREAMS + 1; i++) {
1088                 if (!substream[i])
1089                         continue;
1090                 runtime = substream[i]->runtime;
1091                 if (!runtime)
1092                         continue;
1093                 data = runtime->private_data;
1094                 if (!data)
1095                         continue;
1096                 if (data->state != ST_STOP) {
1097                         pos = 0;
1098                         for (j = 0; j < data->pages; j++) {
1099                                 c = &data->sgdbuf[j];
1100                                 flag = le32_to_cpu(c->dwStat_Ctl);
1101                                 if (flag & EOB_STATUS)
1102                                         pos += le32_to_cpu(c->dwSegLen);
1103                                 if (flag & EOC_STATUS)
1104                                         pos += le32_to_cpu(c->dwSegLen);
1105                                 if ((flag & EOS_STATUS)
1106                                     && (data->state == ST_PLAY)) {
1107                                         data->state = ST_STOP;
1108                                         snd_printk(KERN_ERR
1109                                                    "Riptide: DMA stopped unexpectedly\n");
1110                                 }
1111                                 c->dwStat_Ctl =
1112                                     cpu_to_le32(flag &
1113                                                 ~(EOS_STATUS | EOB_STATUS |
1114                                                   EOC_STATUS));
1115                         }
1116                         data->pointer += pos;
1117                         pos += data->oldpos;
1118                         if (data->state != ST_STOP) {
1119                                 period_bytes =
1120                                     frames_to_bytes(runtime,
1121                                                     runtime->period_size);
1122                                 snd_printdd
1123                                     ("interrupt 0x%x after 0x%lx of 0x%lx frames in period\n",
1124                                      READ_AUDIO_STATUS(cif->hwport),
1125                                      bytes_to_frames(runtime, pos),
1126                                      runtime->period_size);
1127                                 j = 0;
1128                                 if (pos >= period_bytes) {
1129                                         j++;
1130                                         while (pos >= period_bytes)
1131                                                 pos -= period_bytes;
1132                                 }
1133                                 data->oldpos = pos;
1134                                 if (j > 0)
1135                                         snd_pcm_period_elapsed(substream[i]);
1136                         }
1137                 }
1138         }
1139
1140         return IRQ_HANDLED;
1141 }
1142
1143 static int riptide_suspend(struct device *dev)
1144 {
1145         struct snd_card *card = dev_get_drvdata(dev);
1146         struct snd_riptide *chip = card->private_data;
1147
1148         chip->in_suspend = 1;
1149         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1150         snd_ac97_suspend(chip->ac97);
1151         return 0;
1152 }
1153
1154 static int riptide_resume(struct device *dev)
1155 {
1156         struct snd_card *card = dev_get_drvdata(dev);
1157         struct snd_riptide *chip = card->private_data;
1158
1159         snd_riptide_initialize(chip);
1160         snd_ac97_resume(chip->ac97);
1161         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1162         chip->in_suspend = 0;
1163         return 0;
1164 }
1165
1166 static DEFINE_SIMPLE_DEV_PM_OPS(riptide_pm, riptide_suspend, riptide_resume);
1167
1168 static int try_to_load_firmware(struct cmdif *cif, struct snd_riptide *chip)
1169 {
1170         union firmware_version firmware = { .ret = CMDRET_ZERO };
1171         int i, timeout, err;
1172
1173         for (i = 0; i < 2; i++) {
1174                 WRITE_PORT_ULONG(cif->hwport->port[i].data1, 0);
1175                 WRITE_PORT_ULONG(cif->hwport->port[i].data2, 0);
1176         }
1177         SET_GRESET(cif->hwport);
1178         udelay(100);
1179         UNSET_GRESET(cif->hwport);
1180         udelay(100);
1181
1182         for (timeout = 100000; --timeout; udelay(10)) {
1183                 if (IS_READY(cif->hwport) && !IS_GERR(cif->hwport))
1184                         break;
1185         }
1186         if (!timeout) {
1187                 snd_printk(KERN_ERR
1188                            "Riptide: device not ready, audio status: 0x%x "
1189                            "ready: %d gerr: %d\n",
1190                            READ_AUDIO_STATUS(cif->hwport),
1191                            IS_READY(cif->hwport), IS_GERR(cif->hwport));
1192                 return -EIO;
1193         } else {
1194                 snd_printdd
1195                         ("Riptide: audio status: 0x%x ready: %d gerr: %d\n",
1196                          READ_AUDIO_STATUS(cif->hwport),
1197                          IS_READY(cif->hwport), IS_GERR(cif->hwport));
1198         }
1199
1200         SEND_GETV(cif, &firmware.ret);
1201         snd_printdd("Firmware version: ASIC: %d CODEC %d AUXDSP %d PROG %d\n",
1202                     firmware.firmware.ASIC, firmware.firmware.CODEC,
1203                     firmware.firmware.AUXDSP, firmware.firmware.PROG);
1204
1205         if (!chip)
1206                 return 1;
1207
1208         for (i = 0; i < FIRMWARE_VERSIONS; i++) {
1209                 if (!memcmp(&firmware_versions[i], &firmware, sizeof(firmware)))
1210                         return 1; /* OK */
1211
1212         }
1213
1214         snd_printdd("Writing Firmware\n");
1215         if (!chip->fw_entry) {
1216                 err = request_firmware(&chip->fw_entry, "riptide.hex",
1217                                        &chip->pci->dev);
1218                 if (err) {
1219                         snd_printk(KERN_ERR
1220                                    "Riptide: Firmware not available %d\n", err);
1221                         return -EIO;
1222                 }
1223         }
1224         err = loadfirmware(cif, chip->fw_entry->data, chip->fw_entry->size);
1225         if (err) {
1226                 snd_printk(KERN_ERR
1227                            "Riptide: Could not load firmware %d\n", err);
1228                 return err;
1229         }
1230
1231         chip->firmware = firmware;
1232
1233         return 1; /* OK */
1234 }
1235
1236 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip)
1237 {
1238         union cmdret rptr = CMDRET_ZERO;
1239         int err, tries;
1240
1241         if (!cif)
1242                 return -EINVAL;
1243
1244         cif->cmdcnt = 0;
1245         cif->cmdtime = 0;
1246         cif->cmdtimemax = 0;
1247         cif->cmdtimemin = 0xffffffff;
1248         cif->errcnt = 0;
1249         cif->is_reset = 0;
1250
1251         tries = RESET_TRIES;
1252         do {
1253                 err = try_to_load_firmware(cif, chip);
1254                 if (err < 0)
1255                         return err;
1256         } while (!err && --tries);
1257
1258         SEND_SACR(cif, 0, AC97_RESET);
1259         SEND_RACR(cif, AC97_RESET, &rptr);
1260         snd_printdd("AC97: 0x%x 0x%x\n", rptr.retlongs[0], rptr.retlongs[1]);
1261
1262         SEND_PLST(cif, 0);
1263         SEND_SLST(cif, 0);
1264         SEND_DLST(cif, 0);
1265         SEND_ALST(cif, 0);
1266         SEND_KDMA(cif);
1267
1268         writearm(cif, 0x301F8, 1, 1);
1269         writearm(cif, 0x301F4, 1, 1);
1270
1271         SEND_LSEL(cif, MODEM_CMD, 0, 0, MODEM_INTDEC, MODEM_MERGER,
1272                   MODEM_SPLITTER, MODEM_MIXER);
1273         setmixer(cif, MODEM_MIXER, 0x7fff, 0x7fff);
1274         alloclbuspath(cif, ARM2LBUS_FIFO13, lbus_play_modem, NULL, NULL);
1275
1276         SEND_LSEL(cif, FM_CMD, 0, 0, FM_INTDEC, FM_MERGER, FM_SPLITTER,
1277                   FM_MIXER);
1278         setmixer(cif, FM_MIXER, 0x7fff, 0x7fff);
1279         writearm(cif, 0x30648 + FM_MIXER * 4, 0x01, 0x00000005);
1280         writearm(cif, 0x301A8, 0x02, 0x00000002);
1281         writearm(cif, 0x30264, 0x08, 0xffffffff);
1282         alloclbuspath(cif, OPL3_SAMPLE, lbus_play_opl3, NULL, NULL);
1283
1284         SEND_SSRC(cif, I2S_INTDEC, 48000,
1285                   ((u32) I2S_RATE * 65536) / 48000,
1286                   ((u32) I2S_RATE * 65536) % 48000);
1287         SEND_LSEL(cif, I2S_CMD0, 0, 0, I2S_INTDEC, I2S_MERGER, I2S_SPLITTER,
1288                   I2S_MIXER);
1289         SEND_SI2S(cif, 1);
1290         alloclbuspath(cif, ARM2LBUS_FIFO0, lbus_play_i2s, NULL, NULL);
1291         alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_out, NULL, NULL);
1292         alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_outhp, NULL, NULL);
1293
1294         SET_AIACK(cif->hwport);
1295         SET_AIE(cif->hwport);
1296         SET_AIACK(cif->hwport);
1297         cif->is_reset = 1;
1298
1299         return 0;
1300 }
1301
1302 static const struct snd_pcm_hardware snd_riptide_playback = {
1303         .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1304                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1305                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1306         .formats =
1307             SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1308             | SNDRV_PCM_FMTBIT_U16_LE,
1309         .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1310         .rate_min = 5500,
1311         .rate_max = 48000,
1312         .channels_min = 1,
1313         .channels_max = 2,
1314         .buffer_bytes_max = (64 * 1024),
1315         .period_bytes_min = PAGE_SIZE >> 1,
1316         .period_bytes_max = PAGE_SIZE << 8,
1317         .periods_min = 2,
1318         .periods_max = 64,
1319         .fifo_size = 0,
1320 };
1321 static const struct snd_pcm_hardware snd_riptide_capture = {
1322         .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1323                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1324                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1325         .formats =
1326             SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1327             | SNDRV_PCM_FMTBIT_U16_LE,
1328         .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1329         .rate_min = 5500,
1330         .rate_max = 48000,
1331         .channels_min = 1,
1332         .channels_max = 2,
1333         .buffer_bytes_max = (64 * 1024),
1334         .period_bytes_min = PAGE_SIZE >> 1,
1335         .period_bytes_max = PAGE_SIZE << 3,
1336         .periods_min = 2,
1337         .periods_max = 64,
1338         .fifo_size = 0,
1339 };
1340
1341 static snd_pcm_uframes_t snd_riptide_pointer(struct snd_pcm_substream
1342                                              *substream)
1343 {
1344         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1345         struct snd_pcm_runtime *runtime = substream->runtime;
1346         struct pcmhw *data = get_pcmhwdev(substream);
1347         struct cmdif *cif = chip->cif;
1348         union cmdret rptr = CMDRET_ZERO;
1349         snd_pcm_uframes_t ret;
1350
1351         SEND_GPOS(cif, 0, data->id, &rptr);
1352         if (data->size && runtime->period_size) {
1353                 snd_printdd
1354                     ("pointer stream %d position 0x%x(0x%x in buffer) bytes 0x%lx(0x%lx in period) frames\n",
1355                      data->id, rptr.retlongs[1], rptr.retlongs[1] % data->size,
1356                      bytes_to_frames(runtime, rptr.retlongs[1]),
1357                      bytes_to_frames(runtime,
1358                                      rptr.retlongs[1]) % runtime->period_size);
1359                 if (rptr.retlongs[1] > data->pointer)
1360                         ret =
1361                             bytes_to_frames(runtime,
1362                                             rptr.retlongs[1] % data->size);
1363                 else
1364                         ret =
1365                             bytes_to_frames(runtime,
1366                                             data->pointer % data->size);
1367         } else {
1368                 snd_printdd("stream not started or strange parms (%d %ld)\n",
1369                             data->size, runtime->period_size);
1370                 ret = bytes_to_frames(runtime, 0);
1371         }
1372         return ret;
1373 }
1374
1375 static int snd_riptide_trigger(struct snd_pcm_substream *substream, int cmd)
1376 {
1377         int i, j;
1378         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1379         struct pcmhw *data = get_pcmhwdev(substream);
1380         struct cmdif *cif = chip->cif;
1381         union cmdret rptr = CMDRET_ZERO;
1382
1383         spin_lock(&chip->lock);
1384         switch (cmd) {
1385         case SNDRV_PCM_TRIGGER_START:
1386         case SNDRV_PCM_TRIGGER_RESUME:
1387                 if (!(data->state & ST_PLAY)) {
1388                         SEND_SSTR(cif, data->id, data->sgdlist.addr);
1389                         SET_AIE(cif->hwport);
1390                         data->state = ST_PLAY;
1391                         if (data->mixer != 0xff)
1392                                 setmixer(cif, data->mixer, 0x7fff, 0x7fff);
1393                         chip->openstreams++;
1394                         data->oldpos = 0;
1395                         data->pointer = 0;
1396                 }
1397                 break;
1398         case SNDRV_PCM_TRIGGER_STOP:
1399         case SNDRV_PCM_TRIGGER_SUSPEND:
1400                 if (data->mixer != 0xff)
1401                         setmixer(cif, data->mixer, 0, 0);
1402                 setmixer(cif, data->mixer, 0, 0);
1403                 SEND_KSTR(cif, data->id);
1404                 data->state = ST_STOP;
1405                 chip->openstreams--;
1406                 j = 0;
1407                 do {
1408                         i = rptr.retlongs[1];
1409                         SEND_GPOS(cif, 0, data->id, &rptr);
1410                         udelay(1);
1411                 } while (i != rptr.retlongs[1] && j++ < MAX_WRITE_RETRY);
1412                 if (j > MAX_WRITE_RETRY)
1413                         snd_printk(KERN_ERR "Riptide: Could not stop stream!");
1414                 break;
1415         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1416                 if (!(data->state & ST_PAUSE)) {
1417                         SEND_PSTR(cif, data->id);
1418                         data->state |= ST_PAUSE;
1419                         chip->openstreams--;
1420                 }
1421                 break;
1422         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1423                 if (data->state & ST_PAUSE) {
1424                         SEND_SSTR(cif, data->id, data->sgdlist.addr);
1425                         data->state &= ~ST_PAUSE;
1426                         chip->openstreams++;
1427                 }
1428                 break;
1429         default:
1430                 spin_unlock(&chip->lock);
1431                 return -EINVAL;
1432         }
1433         spin_unlock(&chip->lock);
1434         return 0;
1435 }
1436
1437 static int snd_riptide_prepare(struct snd_pcm_substream *substream)
1438 {
1439         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1440         struct snd_pcm_runtime *runtime = substream->runtime;
1441         struct pcmhw *data = get_pcmhwdev(substream);
1442         struct cmdif *cif = chip->cif;
1443         const unsigned char *lbuspath = NULL;
1444         unsigned int rate, channels;
1445         int err = 0;
1446         snd_pcm_format_t format;
1447
1448         if (snd_BUG_ON(!cif || !data))
1449                 return -EINVAL;
1450
1451         snd_printdd("prepare id %d ch: %d f:0x%x r:%d\n", data->id,
1452                     runtime->channels, runtime->format, runtime->rate);
1453
1454         spin_lock_irq(&chip->lock);
1455         channels = runtime->channels;
1456         format = runtime->format;
1457         rate = runtime->rate;
1458         switch (channels) {
1459         case 1:
1460                 if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1461                         lbuspath = data->paths.noconv;
1462                 else
1463                         lbuspath = data->paths.mono;
1464                 break;
1465         case 2:
1466                 if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1467                         lbuspath = data->paths.noconv;
1468                 else
1469                         lbuspath = data->paths.stereo;
1470                 break;
1471         }
1472         snd_printdd("use sgdlist at 0x%p\n",
1473                     data->sgdlist.area);
1474         if (data->sgdlist.area) {
1475                 unsigned int i, j, size, pages, f, pt, period;
1476                 struct sgd *c, *p = NULL;
1477
1478                 size = frames_to_bytes(runtime, runtime->buffer_size);
1479                 period = frames_to_bytes(runtime, runtime->period_size);
1480                 f = PAGE_SIZE;
1481                 while ((size + (f >> 1) - 1) <= (f << 7) && (f << 1) > period)
1482                         f = f >> 1;
1483                 pages = DIV_ROUND_UP(size, f);
1484                 data->size = size;
1485                 data->pages = pages;
1486                 snd_printdd
1487                     ("create sgd size: 0x%x pages %d of size 0x%x for period 0x%x\n",
1488                      size, pages, f, period);
1489                 pt = 0;
1490                 j = 0;
1491                 for (i = 0; i < pages; i++) {
1492                         unsigned int ofs, addr;
1493                         c = &data->sgdbuf[i];
1494                         if (p)
1495                                 p->dwNextLink = cpu_to_le32(data->sgdlist.addr +
1496                                                             (i *
1497                                                              sizeof(struct
1498                                                                     sgd)));
1499                         c->dwNextLink = cpu_to_le32(data->sgdlist.addr);
1500                         ofs = j << PAGE_SHIFT;
1501                         addr = snd_pcm_sgbuf_get_addr(substream, ofs) + pt;
1502                         c->dwSegPtrPhys = cpu_to_le32(addr);
1503                         pt = (pt + f) % PAGE_SIZE;
1504                         if (pt == 0)
1505                                 j++;
1506                         c->dwSegLen = cpu_to_le32(f);
1507                         c->dwStat_Ctl =
1508                             cpu_to_le32(IEOB_ENABLE | IEOS_ENABLE |
1509                                         IEOC_ENABLE);
1510                         p = c;
1511                         size -= f;
1512                 }
1513                 data->sgdbuf[i].dwSegLen = cpu_to_le32(size);
1514         }
1515         if (lbuspath && lbuspath != data->lbuspath) {
1516                 if (data->lbuspath)
1517                         freelbuspath(cif, data->source, data->lbuspath);
1518                 alloclbuspath(cif, data->source, lbuspath,
1519                               &data->mixer, data->intdec);
1520                 data->lbuspath = lbuspath;
1521                 data->rate = 0;
1522         }
1523         if (data->rate != rate || data->format != format ||
1524             data->channels != channels) {
1525                 data->rate = rate;
1526                 data->format = format;
1527                 data->channels = channels;
1528                 if (setsampleformat
1529                     (cif, data->mixer, data->id, channels, format)
1530                     || setsamplerate(cif, data->intdec, rate))
1531                         err = -EIO;
1532         }
1533         spin_unlock_irq(&chip->lock);
1534         return err;
1535 }
1536
1537 static int
1538 snd_riptide_hw_params(struct snd_pcm_substream *substream,
1539                       struct snd_pcm_hw_params *hw_params)
1540 {
1541         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1542         struct pcmhw *data = get_pcmhwdev(substream);
1543         struct snd_dma_buffer *sgdlist = &data->sgdlist;
1544         int err;
1545
1546         snd_printdd("hw params id %d (sgdlist: 0x%p 0x%lx %d)\n", data->id,
1547                     sgdlist->area, (unsigned long)sgdlist->addr,
1548                     (int)sgdlist->bytes);
1549         if (sgdlist->area)
1550                 snd_dma_free_pages(sgdlist);
1551         err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &chip->pci->dev,
1552                                   sizeof(struct sgd) * (DESC_MAX_MASK + 1),
1553                                   sgdlist);
1554         if (err < 0) {
1555                 snd_printk(KERN_ERR "Riptide: failed to alloc %d dma bytes\n",
1556                            (int)sizeof(struct sgd) * (DESC_MAX_MASK + 1));
1557                 return err;
1558         }
1559         data->sgdbuf = (struct sgd *)sgdlist->area;
1560         return 0;
1561 }
1562
1563 static int snd_riptide_hw_free(struct snd_pcm_substream *substream)
1564 {
1565         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1566         struct pcmhw *data = get_pcmhwdev(substream);
1567         struct cmdif *cif = chip->cif;
1568
1569         if (cif && data) {
1570                 if (data->lbuspath)
1571                         freelbuspath(cif, data->source, data->lbuspath);
1572                 data->lbuspath = NULL;
1573                 data->source = 0xff;
1574                 data->intdec[0] = 0xff;
1575                 data->intdec[1] = 0xff;
1576
1577                 if (data->sgdlist.area) {
1578                         snd_dma_free_pages(&data->sgdlist);
1579                         data->sgdlist.area = NULL;
1580                 }
1581         }
1582         return 0;
1583 }
1584
1585 static int snd_riptide_playback_open(struct snd_pcm_substream *substream)
1586 {
1587         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1588         struct snd_pcm_runtime *runtime = substream->runtime;
1589         struct pcmhw *data;
1590         int sub_num = substream->number;
1591
1592         chip->playback_substream[sub_num] = substream;
1593         runtime->hw = snd_riptide_playback;
1594
1595         data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1596         if (data == NULL)
1597                 return -ENOMEM;
1598         data->paths = lbus_play_paths[sub_num];
1599         data->id = play_ids[sub_num];
1600         data->source = play_sources[sub_num];
1601         data->intdec[0] = 0xff;
1602         data->intdec[1] = 0xff;
1603         data->state = ST_STOP;
1604         runtime->private_data = data;
1605         return snd_pcm_hw_constraint_integer(runtime,
1606                                              SNDRV_PCM_HW_PARAM_PERIODS);
1607 }
1608
1609 static int snd_riptide_capture_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
1615         chip->capture_substream = substream;
1616         runtime->hw = snd_riptide_capture;
1617
1618         data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1619         if (data == NULL)
1620                 return -ENOMEM;
1621         data->paths = lbus_rec_path;
1622         data->id = PADC;
1623         data->source = ACLNK2PADC;
1624         data->intdec[0] = 0xff;
1625         data->intdec[1] = 0xff;
1626         data->state = ST_STOP;
1627         runtime->private_data = data;
1628         return snd_pcm_hw_constraint_integer(runtime,
1629                                              SNDRV_PCM_HW_PARAM_PERIODS);
1630 }
1631
1632 static int snd_riptide_playback_close(struct snd_pcm_substream *substream)
1633 {
1634         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1635         struct pcmhw *data = get_pcmhwdev(substream);
1636         int sub_num = substream->number;
1637
1638         substream->runtime->private_data = NULL;
1639         chip->playback_substream[sub_num] = NULL;
1640         kfree(data);
1641         return 0;
1642 }
1643
1644 static int snd_riptide_capture_close(struct snd_pcm_substream *substream)
1645 {
1646         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1647         struct pcmhw *data = get_pcmhwdev(substream);
1648
1649         substream->runtime->private_data = NULL;
1650         chip->capture_substream = NULL;
1651         kfree(data);
1652         return 0;
1653 }
1654
1655 static const struct snd_pcm_ops snd_riptide_playback_ops = {
1656         .open = snd_riptide_playback_open,
1657         .close = snd_riptide_playback_close,
1658         .hw_params = snd_riptide_hw_params,
1659         .hw_free = snd_riptide_hw_free,
1660         .prepare = snd_riptide_prepare,
1661         .trigger = snd_riptide_trigger,
1662         .pointer = snd_riptide_pointer,
1663 };
1664 static const struct snd_pcm_ops snd_riptide_capture_ops = {
1665         .open = snd_riptide_capture_open,
1666         .close = snd_riptide_capture_close,
1667         .hw_params = snd_riptide_hw_params,
1668         .hw_free = snd_riptide_hw_free,
1669         .prepare = snd_riptide_prepare,
1670         .trigger = snd_riptide_trigger,
1671         .pointer = snd_riptide_pointer,
1672 };
1673
1674 static int snd_riptide_pcm(struct snd_riptide *chip, int device)
1675 {
1676         struct snd_pcm *pcm;
1677         int err;
1678
1679         err = snd_pcm_new(chip->card, "RIPTIDE", device, PLAYBACK_SUBSTREAMS, 1,
1680                           &pcm);
1681         if (err < 0)
1682                 return err;
1683         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1684                         &snd_riptide_playback_ops);
1685         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1686                         &snd_riptide_capture_ops);
1687         pcm->private_data = chip;
1688         pcm->info_flags = 0;
1689         strcpy(pcm->name, "RIPTIDE");
1690         chip->pcm = pcm;
1691         snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1692                                        &chip->pci->dev, 64 * 1024, 128 * 1024);
1693         return 0;
1694 }
1695
1696 static irqreturn_t
1697 snd_riptide_interrupt(int irq, void *dev_id)
1698 {
1699         struct snd_riptide *chip = dev_id;
1700         struct cmdif *cif = chip->cif;
1701         irqreturn_t ret = IRQ_HANDLED;
1702
1703         if (cif) {
1704                 chip->received_irqs++;
1705                 if (IS_EOBIRQ(cif->hwport) || IS_EOSIRQ(cif->hwport) ||
1706                     IS_EOCIRQ(cif->hwport)) {
1707                         chip->handled_irqs++;
1708                         ret = IRQ_WAKE_THREAD;
1709                 }
1710                 if (chip->rmidi && IS_MPUIRQ(cif->hwport)) {
1711                         chip->handled_irqs++;
1712                         snd_mpu401_uart_interrupt(irq,
1713                                                   chip->rmidi->private_data);
1714                 }
1715                 SET_AIACK(cif->hwport);
1716         }
1717         return ret;
1718 }
1719
1720 static void
1721 snd_riptide_codec_write(struct snd_ac97 *ac97, unsigned short reg,
1722                         unsigned short val)
1723 {
1724         struct snd_riptide *chip = ac97->private_data;
1725         struct cmdif *cif = chip->cif;
1726         union cmdret rptr = CMDRET_ZERO;
1727         int i = 0;
1728
1729         if (snd_BUG_ON(!cif))
1730                 return;
1731
1732         snd_printdd("Write AC97 reg 0x%x 0x%x\n", reg, val);
1733         do {
1734                 SEND_SACR(cif, val, reg);
1735                 SEND_RACR(cif, reg, &rptr);
1736         } while (rptr.retwords[1] != val && i++ < MAX_WRITE_RETRY);
1737         if (i > MAX_WRITE_RETRY)
1738                 snd_printdd("Write AC97 reg failed\n");
1739 }
1740
1741 static unsigned short snd_riptide_codec_read(struct snd_ac97 *ac97,
1742                                              unsigned short reg)
1743 {
1744         struct snd_riptide *chip = ac97->private_data;
1745         struct cmdif *cif = chip->cif;
1746         union cmdret rptr = CMDRET_ZERO;
1747
1748         if (snd_BUG_ON(!cif))
1749                 return 0;
1750
1751         if (SEND_RACR(cif, reg, &rptr) != 0)
1752                 SEND_RACR(cif, reg, &rptr);
1753         snd_printdd("Read AC97 reg 0x%x got 0x%x\n", reg, rptr.retwords[1]);
1754         return rptr.retwords[1];
1755 }
1756
1757 static int snd_riptide_initialize(struct snd_riptide *chip)
1758 {
1759         struct cmdif *cif;
1760         unsigned int device_id;
1761         int err;
1762
1763         if (snd_BUG_ON(!chip))
1764                 return -EINVAL;
1765
1766         cif = chip->cif;
1767         if (!cif) {
1768                 cif = kzalloc(sizeof(struct cmdif), GFP_KERNEL);
1769                 if (!cif)
1770                         return -ENOMEM;
1771                 cif->hwport = (struct riptideport *)chip->port;
1772                 spin_lock_init(&cif->lock);
1773                 chip->cif = cif;
1774         }
1775         cif->is_reset = 0;
1776         err = riptide_reset(cif, chip);
1777         if (err)
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 void snd_riptide_free(struct snd_card *card)
1795 {
1796         struct snd_riptide *chip = card->private_data;
1797         struct cmdif *cif;
1798
1799         cif = chip->cif;
1800         if (cif) {
1801                 SET_GRESET(cif->hwport);
1802                 udelay(100);
1803                 UNSET_GRESET(cif->hwport);
1804                 kfree(chip->cif);
1805         }
1806         release_firmware(chip->fw_entry);
1807 }
1808
1809 static int
1810 snd_riptide_create(struct snd_card *card, struct pci_dev *pci)
1811 {
1812         struct snd_riptide *chip = card->private_data;
1813         struct riptideport *hwport;
1814         int err;
1815
1816         err = pcim_enable_device(pci);
1817         if (err < 0)
1818                 return err;
1819
1820         spin_lock_init(&chip->lock);
1821         chip->card = card;
1822         chip->pci = pci;
1823         chip->irq = -1;
1824         chip->openstreams = 0;
1825         chip->port = pci_resource_start(pci, 0);
1826         chip->received_irqs = 0;
1827         chip->handled_irqs = 0;
1828         chip->cif = NULL;
1829         card->private_free = snd_riptide_free;
1830
1831         err = pci_request_regions(pci, "RIPTIDE");
1832         if (err < 0)
1833                 return err;
1834         hwport = (struct riptideport *)chip->port;
1835         UNSET_AIE(hwport);
1836
1837         if (devm_request_threaded_irq(&pci->dev, pci->irq,
1838                                       snd_riptide_interrupt,
1839                                       riptide_handleirq, IRQF_SHARED,
1840                                       KBUILD_MODNAME, chip)) {
1841                 snd_printk(KERN_ERR "Riptide: unable to grab IRQ %d\n",
1842                            pci->irq);
1843                 return -EBUSY;
1844         }
1845         chip->irq = pci->irq;
1846         card->sync_irq = chip->irq;
1847         chip->device_id = pci->device;
1848         pci_set_master(pci);
1849         err = snd_riptide_initialize(chip);
1850         if (err < 0)
1851                 return err;
1852
1853         return 0;
1854 }
1855
1856 static void
1857 snd_riptide_proc_read(struct snd_info_entry *entry,
1858                       struct snd_info_buffer *buffer)
1859 {
1860         struct snd_riptide *chip = entry->private_data;
1861         struct pcmhw *data;
1862         int i;
1863         struct cmdif *cif = NULL;
1864         unsigned char p[256];
1865         unsigned short rval = 0, lval = 0;
1866         unsigned int rate;
1867
1868         if (!chip)
1869                 return;
1870
1871         snd_iprintf(buffer, "%s\n\n", chip->card->longname);
1872         snd_iprintf(buffer, "Device ID: 0x%x\nReceived IRQs: (%ld)%ld\nPorts:",
1873                     chip->device_id, chip->handled_irqs, chip->received_irqs);
1874         for (i = 0; i < 64; i += 4)
1875                 snd_iprintf(buffer, "%c%02x: %08x",
1876                             (i % 16) ? ' ' : '\n', i, inl(chip->port + i));
1877         cif = chip->cif;
1878         if (cif) {
1879                 snd_iprintf(buffer,
1880                             "\nVersion: ASIC: %d CODEC: %d AUXDSP: %d PROG: %d",
1881                             chip->firmware.firmware.ASIC,
1882                             chip->firmware.firmware.CODEC,
1883                             chip->firmware.firmware.AUXDSP,
1884                             chip->firmware.firmware.PROG);
1885                 snd_iprintf(buffer, "\nDigital mixer:");
1886                 for (i = 0; i < 12; i++) {
1887                         getmixer(cif, i, &rval, &lval);
1888                         snd_iprintf(buffer, "\n %d: %d %d", i, rval, lval);
1889                 }
1890                 snd_iprintf(buffer,
1891                             "\nARM Commands num: %d failed: %d time: %d max: %d min: %d",
1892                             cif->cmdcnt, cif->errcnt,
1893                             cif->cmdtime, cif->cmdtimemax, cif->cmdtimemin);
1894         }
1895         snd_iprintf(buffer, "\nOpen streams %d:\n", chip->openstreams);
1896         for (i = 0; i < PLAYBACK_SUBSTREAMS; i++) {
1897                 if (!chip->playback_substream[i] ||
1898                     !chip->playback_substream[i]->runtime)
1899                         continue;
1900                 data = chip->playback_substream[i]->runtime->private_data;
1901                 if (data) {
1902                         snd_iprintf(buffer,
1903                                     "stream: %d mixer: %d source: %d (%d,%d)\n",
1904                                     data->id, data->mixer, data->source,
1905                                     data->intdec[0], data->intdec[1]);
1906                         if (!(getsamplerate(cif, data->intdec, &rate)))
1907                                 snd_iprintf(buffer, "rate: %d\n", rate);
1908                 }
1909         }
1910         if (chip->capture_substream && chip->capture_substream->runtime) {
1911                 data = chip->capture_substream->runtime->private_data;
1912                 if (data) {
1913                         snd_iprintf(buffer,
1914                                     "stream: %d mixer: %d source: %d (%d,%d)\n",
1915                                     data->id, data->mixer,
1916                                     data->source, data->intdec[0], data->intdec[1]);
1917                         if (!(getsamplerate(cif, data->intdec, &rate)))
1918                                 snd_iprintf(buffer, "rate: %d\n", rate);
1919                 }
1920         }
1921         snd_iprintf(buffer, "Paths:\n");
1922         i = getpaths(cif, p);
1923         while (i >= 2) {
1924                 i -= 2;
1925                 snd_iprintf(buffer, "%x->%x ", p[i], p[i + 1]);
1926         }
1927         snd_iprintf(buffer, "\n");
1928 }
1929
1930 static void snd_riptide_proc_init(struct snd_riptide *chip)
1931 {
1932         snd_card_ro_proc_new(chip->card, "riptide", chip,
1933                              snd_riptide_proc_read);
1934 }
1935
1936 static int snd_riptide_mixer(struct snd_riptide *chip)
1937 {
1938         struct snd_ac97_bus *pbus;
1939         struct snd_ac97_template ac97;
1940         int err = 0;
1941         static const struct snd_ac97_bus_ops ops = {
1942                 .write = snd_riptide_codec_write,
1943                 .read = snd_riptide_codec_read,
1944         };
1945
1946         memset(&ac97, 0, sizeof(ac97));
1947         ac97.private_data = chip;
1948         ac97.scaps = AC97_SCAP_SKIP_MODEM;
1949
1950         err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus);
1951         if (err < 0)
1952                 return err;
1953
1954         chip->ac97_bus = pbus;
1955         ac97.pci = chip->pci;
1956         err = snd_ac97_mixer(pbus, &ac97, &chip->ac97);
1957         if (err < 0)
1958                 return err;
1959         return err;
1960 }
1961
1962 #ifdef SUPPORT_JOYSTICK
1963
1964 static int
1965 snd_riptide_joystick_probe(struct pci_dev *pci, const struct pci_device_id *id)
1966 {
1967         static int dev;
1968         struct gameport *gameport;
1969         int ret;
1970
1971         if (dev >= SNDRV_CARDS)
1972                 return -ENODEV;
1973
1974         if (!enable[dev]) {
1975                 ret = -ENOENT;
1976                 goto inc_dev;
1977         }
1978
1979         if (!joystick_port[dev]) {
1980                 ret = 0;
1981                 goto inc_dev;
1982         }
1983
1984         gameport = gameport_allocate_port();
1985         if (!gameport) {
1986                 ret = -ENOMEM;
1987                 goto inc_dev;
1988         }
1989         if (!request_region(joystick_port[dev], 8, "Riptide gameport")) {
1990                 snd_printk(KERN_WARNING
1991                            "Riptide: cannot grab gameport 0x%x\n",
1992                            joystick_port[dev]);
1993                 gameport_free_port(gameport);
1994                 ret = -EBUSY;
1995                 goto inc_dev;
1996         }
1997
1998         gameport->io = joystick_port[dev];
1999         gameport_register_port(gameport);
2000         pci_set_drvdata(pci, gameport);
2001
2002         ret = 0;
2003 inc_dev:
2004         dev++;
2005         return ret;
2006 }
2007
2008 static void snd_riptide_joystick_remove(struct pci_dev *pci)
2009 {
2010         struct gameport *gameport = pci_get_drvdata(pci);
2011         if (gameport) {
2012                 release_region(gameport->io, 8);
2013                 gameport_unregister_port(gameport);
2014         }
2015 }
2016 #endif
2017
2018 static int
2019 __snd_card_riptide_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2020 {
2021         static int dev;
2022         struct snd_card *card;
2023         struct snd_riptide *chip;
2024         unsigned short val;
2025         int err;
2026
2027         if (dev >= SNDRV_CARDS)
2028                 return -ENODEV;
2029         if (!enable[dev]) {
2030                 dev++;
2031                 return -ENOENT;
2032         }
2033
2034         err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2035                                 sizeof(*chip), &card);
2036         if (err < 0)
2037                 return err;
2038         chip = card->private_data;
2039         err = snd_riptide_create(card, pci);
2040         if (err < 0)
2041                 return err;
2042         err = snd_riptide_pcm(chip, 0);
2043         if (err < 0)
2044                 return err;
2045         err = snd_riptide_mixer(chip);
2046         if (err < 0)
2047                 return err;
2048
2049         val = LEGACY_ENABLE_ALL;
2050         if (opl3_port[dev])
2051                 val |= LEGACY_ENABLE_FM;
2052 #ifdef SUPPORT_JOYSTICK
2053         if (joystick_port[dev])
2054                 val |= LEGACY_ENABLE_GAMEPORT;
2055 #endif
2056         if (mpu_port[dev])
2057                 val |= LEGACY_ENABLE_MPU_INT | LEGACY_ENABLE_MPU;
2058         val |= (chip->irq << 4) & 0xf0;
2059         pci_write_config_word(chip->pci, PCI_EXT_Legacy_Mask, val);
2060         if (mpu_port[dev]) {
2061                 val = mpu_port[dev];
2062                 pci_write_config_word(chip->pci, PCI_EXT_MPU_Base, val);
2063                 err = snd_mpu401_uart_new(card, 0, MPU401_HW_RIPTIDE,
2064                                           val, MPU401_INFO_IRQ_HOOK, -1,
2065                                           &chip->rmidi);
2066                 if (err < 0)
2067                         snd_printk(KERN_WARNING
2068                                    "Riptide: Can't Allocate MPU at 0x%x\n",
2069                                    val);
2070                 else
2071                         chip->mpuaddr = val;
2072         }
2073         if (opl3_port[dev]) {
2074                 val = opl3_port[dev];
2075                 pci_write_config_word(chip->pci, PCI_EXT_FM_Base, val);
2076                 err = snd_opl3_create(card, val, val + 2,
2077                                       OPL3_HW_RIPTIDE, 0, &chip->opl3);
2078                 if (err < 0)
2079                         snd_printk(KERN_WARNING
2080                                    "Riptide: Can't Allocate OPL3 at 0x%x\n",
2081                                    val);
2082                 else {
2083                         chip->opladdr = val;
2084                         err = snd_opl3_hwdep_new(chip->opl3, 0, 1, NULL);
2085                         if (err < 0)
2086                                 snd_printk(KERN_WARNING
2087                                            "Riptide: Can't Allocate OPL3-HWDEP\n");
2088                 }
2089         }
2090 #ifdef SUPPORT_JOYSTICK
2091         if (joystick_port[dev]) {
2092                 val = joystick_port[dev];
2093                 pci_write_config_word(chip->pci, PCI_EXT_Game_Base, val);
2094                 chip->gameaddr = val;
2095         }
2096 #endif
2097
2098         strcpy(card->driver, "RIPTIDE");
2099         strcpy(card->shortname, "Riptide");
2100 #ifdef SUPPORT_JOYSTICK
2101         scnprintf(card->longname, sizeof(card->longname),
2102                   "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x gameport 0x%x",
2103                   card->shortname, chip->port, chip->irq, chip->mpuaddr,
2104                   chip->opladdr, chip->gameaddr);
2105 #else
2106         scnprintf(card->longname, sizeof(card->longname),
2107                   "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x",
2108                   card->shortname, chip->port, chip->irq, chip->mpuaddr,
2109                   chip->opladdr);
2110 #endif
2111         snd_riptide_proc_init(chip);
2112         err = snd_card_register(card);
2113         if (err < 0)
2114                 return err;
2115         pci_set_drvdata(pci, card);
2116         dev++;
2117         return 0;
2118 }
2119
2120 static int
2121 snd_card_riptide_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2122 {
2123         return snd_card_free_on_error(&pci->dev, __snd_card_riptide_probe(pci, pci_id));
2124 }
2125
2126 static struct pci_driver driver = {
2127         .name = KBUILD_MODNAME,
2128         .id_table = snd_riptide_ids,
2129         .probe = snd_card_riptide_probe,
2130         .driver = {
2131                 .pm = &riptide_pm,
2132         },
2133 };
2134
2135 #ifdef SUPPORT_JOYSTICK
2136 static struct pci_driver joystick_driver = {
2137         .name = KBUILD_MODNAME "-joystick",
2138         .id_table = snd_riptide_joystick_ids,
2139         .probe = snd_riptide_joystick_probe,
2140         .remove = snd_riptide_joystick_remove,
2141 };
2142 #endif
2143
2144 static int __init alsa_card_riptide_init(void)
2145 {
2146         int err;
2147         err = pci_register_driver(&driver);
2148         if (err < 0)
2149                 return err;
2150 #if defined(SUPPORT_JOYSTICK)
2151         err = pci_register_driver(&joystick_driver);
2152         /* On failure unregister formerly registered audio driver */
2153         if (err < 0)
2154                 pci_unregister_driver(&driver);
2155 #endif
2156         return err;
2157 }
2158
2159 static void __exit alsa_card_riptide_exit(void)
2160 {
2161         pci_unregister_driver(&driver);
2162 #if defined(SUPPORT_JOYSTICK)
2163         pci_unregister_driver(&joystick_driver);
2164 #endif
2165 }
2166
2167 module_init(alsa_card_riptide_init);
2168 module_exit(alsa_card_riptide_exit);