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[linux.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 <[email protected]>
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 <[email protected]>");
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 device *dev;
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         int in_suspend;
453 };
454
455 struct sgd {                    /* scatter gather desriptor */
456         __le32 dwNextLink;
457         __le32 dwSegPtrPhys;
458         __le32 dwSegLen;
459         __le32 dwStat_Ctl;
460 };
461
462 struct pcmhw {                  /* pcm descriptor */
463         struct lbuspath paths;
464         const unsigned char *lbuspath;
465         unsigned char source;
466         unsigned char intdec[2];
467         unsigned char mixer;
468         unsigned char id;
469         unsigned char state;
470         unsigned int rate;
471         unsigned int channels;
472         snd_pcm_format_t format;
473         struct snd_dma_buffer sgdlist;
474         struct sgd *sgdbuf;
475         unsigned int size;
476         unsigned int pages;
477         unsigned int oldpos;
478         unsigned int pointer;
479 };
480
481 #define CMDRET_ZERO (union cmdret){{(u32)0, (u32) 0}}
482
483 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
484                    union cmdret *ret);
485 static int getsourcesink(struct cmdif *cif, unsigned char source,
486                          unsigned char sink, unsigned char *a,
487                          unsigned char *b);
488 static int snd_riptide_initialize(struct snd_riptide *chip);
489 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip);
490
491 /*
492  */
493
494 static const struct pci_device_id snd_riptide_ids[] = {
495         { PCI_DEVICE(0x127a, 0x4310) },
496         { PCI_DEVICE(0x127a, 0x4320) },
497         { PCI_DEVICE(0x127a, 0x4330) },
498         { PCI_DEVICE(0x127a, 0x4340) },
499         {0,},
500 };
501
502 #ifdef SUPPORT_JOYSTICK
503 static const struct pci_device_id snd_riptide_joystick_ids[] = {
504         { PCI_DEVICE(0x127a, 0x4312) },
505         { PCI_DEVICE(0x127a, 0x4322) },
506         { PCI_DEVICE(0x127a, 0x4332) },
507         { PCI_DEVICE(0x127a, 0x4342) },
508         {0,},
509 };
510 #endif
511
512 MODULE_DEVICE_TABLE(pci, snd_riptide_ids);
513
514 /*
515  */
516
517 static const unsigned char lbusin2out[E2SINK_MAX + 1][2] = {
518         {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
519                                                                      LS_NONE2},
520         {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
521                                                                      LS_NONE2},
522         {INTER0_OUT, LS_SRC_INTERPOLATOR}, {INTER1_OUT, LS_SRC_INTERPOLATOR},
523         {INTER2_OUT, LS_SRC_INTERPOLATOR}, {INTER3_OUT, LS_SRC_INTERPOLATOR},
524         {INTER4_OUT, LS_SRC_INTERPOLATOR}, {INTERM0_OUT, LS_SRC_INTERPOLATORM},
525         {INTERM1_OUT, LS_SRC_INTERPOLATORM}, {INTERM2_OUT,
526                                               LS_SRC_INTERPOLATORM},
527         {INTERM3_OUT, LS_SRC_INTERPOLATORM}, {INTERM4_OUT,
528                                               LS_SRC_INTERPOLATORM},
529         {INTERM5_OUT, LS_SRC_INTERPOLATORM}, {INTERM6_OUT,
530                                               LS_SRC_INTERPOLATORM},
531         {DECIMM0_OUT, LS_SRC_DECIMATORM}, {DECIMM1_OUT, LS_SRC_DECIMATORM},
532         {DECIMM2_OUT, LS_SRC_DECIMATORM}, {DECIMM3_OUT, LS_SRC_DECIMATORM},
533         {DECIM0_OUT, LS_SRC_DECIMATOR}, {SR3_4_OUT, LS_NONE1}, {NO_OUT,
534                                                                 LS_NONE2},
535         {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1},
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         {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
542         {GAINFUNC0_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC1_OUT,
543                                                   LS_MIXER_GAIN_FUNCTION},
544         {GAINFUNC2_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC3_OUT,
545                                                   LS_MIXER_GAIN_FUNCTION},
546         {GAINFUNC4_OUT, LS_MIXER_GAIN_FUNCTION}, {SOFTMODEMTX, LS_NONE1},
547         {SPLITTER0_OUTL, LS_SRC_SPLITTER}, {SPLITTER1_OUTL, LS_SRC_SPLITTER},
548         {SPLITTER2_OUTL, LS_SRC_SPLITTER}, {SPLITTER3_OUTL, LS_SRC_SPLITTER},
549         {MERGER0_OUT, LS_SRC_MERGER}, {MERGER0_OUT, LS_SRC_MERGER},
550         {MERGER1_OUT, LS_SRC_MERGER},
551         {MERGER1_OUT, LS_SRC_MERGER}, {MERGER2_OUT, LS_SRC_MERGER},
552         {MERGER2_OUT, LS_SRC_MERGER},
553         {MERGER3_OUT, LS_SRC_MERGER}, {MERGER3_OUT, LS_SRC_MERGER}, {NO_OUT,
554                                                                      LS_NONE2},
555 };
556
557 static const unsigned char lbus_play_opl3[] = {
558         DIGITAL_MIXER_IN0 + FM_MIXER, 0xff
559 };
560 static const unsigned char lbus_play_modem[] = {
561         DIGITAL_MIXER_IN0 + MODEM_MIXER, 0xff
562 };
563 static const unsigned char lbus_play_i2s[] = {
564         INTER0_IN + I2S_INTDEC, DIGITAL_MIXER_IN0 + I2S_MIXER, 0xff
565 };
566 static const unsigned char lbus_play_out[] = {
567         PDAC2ACLNK, 0xff
568 };
569 static const unsigned char lbus_play_outhp[] = {
570         HNDSPK2ACLNK, 0xff
571 };
572 static const unsigned char lbus_play_noconv1[] = {
573         DIGITAL_MIXER_IN0, 0xff
574 };
575 static const unsigned char lbus_play_stereo1[] = {
576         INTER0_IN, DIGITAL_MIXER_IN0, 0xff
577 };
578 static const unsigned char lbus_play_mono1[] = {
579         INTERM0_IN, DIGITAL_MIXER_IN0, 0xff
580 };
581 static const unsigned char lbus_play_noconv2[] = {
582         DIGITAL_MIXER_IN1, 0xff
583 };
584 static const unsigned char lbus_play_stereo2[] = {
585         INTER1_IN, DIGITAL_MIXER_IN1, 0xff
586 };
587 static const unsigned char lbus_play_mono2[] = {
588         INTERM1_IN, DIGITAL_MIXER_IN1, 0xff
589 };
590 static const unsigned char lbus_play_noconv3[] = {
591         DIGITAL_MIXER_IN2, 0xff
592 };
593 static const unsigned char lbus_play_stereo3[] = {
594         INTER2_IN, DIGITAL_MIXER_IN2, 0xff
595 };
596 static const unsigned char lbus_play_mono3[] = {
597         INTERM2_IN, DIGITAL_MIXER_IN2, 0xff
598 };
599 static const unsigned char lbus_rec_noconv1[] = {
600         LBUS2ARM_FIFO5, 0xff
601 };
602 static const unsigned char lbus_rec_stereo1[] = {
603         DECIM0_IN, LBUS2ARM_FIFO5, 0xff
604 };
605 static const unsigned char lbus_rec_mono1[] = {
606         DECIMM3_IN, LBUS2ARM_FIFO5, 0xff
607 };
608
609 static const unsigned char play_ids[] = { 4, 1, 2, };
610 static const unsigned char play_sources[] = {
611         ARM2LBUS_FIFO4, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2,
612 };
613 static const struct lbuspath lbus_play_paths[] = {
614         {
615          .noconv = lbus_play_noconv1,
616          .stereo = lbus_play_stereo1,
617          .mono = lbus_play_mono1,
618          },
619         {
620          .noconv = lbus_play_noconv2,
621          .stereo = lbus_play_stereo2,
622          .mono = lbus_play_mono2,
623          },
624         {
625          .noconv = lbus_play_noconv3,
626          .stereo = lbus_play_stereo3,
627          .mono = lbus_play_mono3,
628          },
629 };
630 static const struct lbuspath lbus_rec_path = {
631         .noconv = lbus_rec_noconv1,
632         .stereo = lbus_rec_stereo1,
633         .mono = lbus_rec_mono1,
634 };
635
636 #define FIRMWARE_VERSIONS 1
637 static union firmware_version firmware_versions[] = {
638         {
639                 .firmware = {
640                         .ASIC = 3,
641                         .CODEC = 2,
642                         .AUXDSP = 3,
643                         .PROG = 773,
644                 },
645         },
646 };
647
648 static u32 atoh(const unsigned char *in, unsigned int len)
649 {
650         u32 sum = 0;
651         unsigned int mult = 1;
652         unsigned char c;
653
654         while (len) {
655                 int value;
656
657                 c = in[len - 1];
658                 value = hex_to_bin(c);
659                 if (value >= 0)
660                         sum += mult * value;
661                 mult *= 16;
662                 --len;
663         }
664         return sum;
665 }
666
667 static int senddata(struct cmdif *cif, const unsigned char *in, u32 offset)
668 {
669         u32 addr;
670         u32 data;
671         u32 i;
672         const unsigned char *p;
673
674         i = atoh(&in[1], 2);
675         addr = offset + atoh(&in[3], 4);
676         if (SEND_SMEM(cif, 0, addr) != 0)
677                 return -EACCES;
678         p = in + 9;
679         while (i) {
680                 data = atoh(p, 8);
681                 if (SEND_WMEM(cif, 2,
682                               ((data & 0x0f0f0f0f) << 4) | ((data & 0xf0f0f0f0)
683                                                             >> 4)))
684                         return -EACCES;
685                 i -= 4;
686                 p += 8;
687         }
688         return 0;
689 }
690
691 static int loadfirmware(struct cmdif *cif, const unsigned char *img,
692                         unsigned int size)
693 {
694         const unsigned char *in;
695         u32 laddr, saddr, t, val;
696         int err = 0;
697
698         laddr = saddr = 0;
699         while (size > 0 && err == 0) {
700                 in = img;
701                 if (in[0] == ':') {
702                         t = atoh(&in[7], 2);
703                         switch (t) {
704                         case DATA_REC:
705                                 err = senddata(cif, in, laddr + saddr);
706                                 break;
707                         case EXT_SEG_ADDR_REC:
708                                 saddr = atoh(&in[9], 4) << 4;
709                                 break;
710                         case EXT_LIN_ADDR_REC:
711                                 laddr = atoh(&in[9], 4) << 16;
712                                 break;
713                         case EXT_GOTO_CMD_REC:
714                                 val = atoh(&in[9], 8);
715                                 if (SEND_GOTO(cif, val) != 0)
716                                         err = -EACCES;
717                                 break;
718                         case EXT_END_OF_FILE:
719                                 size = 0;
720                                 break;
721                         default:
722                                 break;
723                         }
724                         while (size > 0) {
725                                 size--;
726                                 if (*img++ == '\n')
727                                         break;
728                         }
729                 }
730         }
731         dev_dbg(cif->dev, "load firmware return %d\n", err);
732         return err;
733 }
734
735 static void
736 alloclbuspath(struct cmdif *cif, unsigned char source,
737               const unsigned char *path, unsigned char *mixer, unsigned char *s)
738 {
739         while (*path != 0xff) {
740                 unsigned char sink, type;
741
742                 sink = *path & (~SPLIT_PATH);
743                 if (sink != E2SINK_MAX) {
744                         dev_dbg(cif->dev, "alloc path 0x%x->0x%x\n", source, sink);
745                         SEND_PSEL(cif, source, sink);
746                         source = lbusin2out[sink][0];
747                         type = lbusin2out[sink][1];
748                         if (type == LS_MIXER_IN) {
749                                 if (mixer)
750                                         *mixer = sink - DIGITAL_MIXER_IN0;
751                         }
752                         if (type == LS_SRC_DECIMATORM ||
753                             type == LS_SRC_DECIMATOR ||
754                             type == LS_SRC_INTERPOLATORM ||
755                             type == LS_SRC_INTERPOLATOR) {
756                                 if (s) {
757                                         if (s[0] != 0xff)
758                                                 s[1] = sink;
759                                         else
760                                                 s[0] = sink;
761                                 }
762                         }
763                 }
764                 if (*path++ & SPLIT_PATH) {
765                         const unsigned char *npath = path;
766
767                         while (*npath != 0xff)
768                                 npath++;
769                         alloclbuspath(cif, source + 1, ++npath, mixer, s);
770                 }
771         }
772 }
773
774 static void
775 freelbuspath(struct cmdif *cif, unsigned char source, const unsigned char *path)
776 {
777         while (*path != 0xff) {
778                 unsigned char sink;
779
780                 sink = *path & (~SPLIT_PATH);
781                 if (sink != E2SINK_MAX) {
782                         dev_dbg(cif->dev, "free path 0x%x->0x%x\n", source, sink);
783                         SEND_PCLR(cif, source, sink);
784                         source = lbusin2out[sink][0];
785                 }
786                 if (*path++ & SPLIT_PATH) {
787                         const unsigned char *npath = path;
788
789                         while (*npath != 0xff)
790                                 npath++;
791                         freelbuspath(cif, source + 1, ++npath);
792                 }
793         }
794 }
795
796 static int writearm(struct cmdif *cif, u32 addr, u32 data, u32 mask)
797 {
798         union cmdret rptr = CMDRET_ZERO;
799         unsigned int i = MAX_WRITE_RETRY;
800         int flag = 1;
801
802         SEND_RMEM(cif, 0x02, addr, &rptr);
803         rptr.retlongs[0] &= (~mask);
804
805         while (--i) {
806                 SEND_SMEM(cif, 0x01, addr);
807                 SEND_WMEM(cif, 0x02, (rptr.retlongs[0] | data));
808                 SEND_RMEM(cif, 0x02, addr, &rptr);
809                 if ((rptr.retlongs[0] & data) == data) {
810                         flag = 0;
811                         break;
812                 } else
813                         rptr.retlongs[0] &= ~mask;
814         }
815         dev_dbg(cif->dev, "send arm 0x%x 0x%x 0x%x return %d\n", addr, data, mask,
816                 flag);
817         return flag;
818 }
819
820 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
821                    union cmdret *ret)
822 {
823         int i, j;
824         int err;
825         unsigned int time = 0;
826         unsigned long irqflags;
827         struct riptideport *hwport;
828         struct cmdport *cmdport = NULL;
829
830         if (snd_BUG_ON(!cif))
831                 return -EINVAL;
832
833         hwport = cif->hwport;
834         if (cif->errcnt > MAX_ERROR_COUNT) {
835                 if (cif->is_reset) {
836                         dev_err(cif->dev,
837                                 "Riptide: Too many failed cmds, reinitializing\n");
838                         if (riptide_reset(cif, NULL) == 0) {
839                                 cif->errcnt = 0;
840                                 return -EIO;
841                         }
842                 }
843                 dev_err(cif->dev, "Riptide: Initialization failed.\n");
844                 return -EINVAL;
845         }
846         if (ret) {
847                 ret->retlongs[0] = 0;
848                 ret->retlongs[1] = 0;
849         }
850         i = 0;
851         spin_lock_irqsave(&cif->lock, irqflags);
852         while (i++ < CMDIF_TIMEOUT && !IS_READY(cif->hwport))
853                 udelay(10);
854         if (i > CMDIF_TIMEOUT) {
855                 err = -EBUSY;
856                 goto errout;
857         }
858
859         err = 0;
860         for (j = 0, time = 0; time < CMDIF_TIMEOUT; j++, time += 2) {
861                 cmdport = &(hwport->port[j % 2]);
862                 if (IS_DATF(cmdport)) { /* free pending data */
863                         READ_PORT_ULONG(cmdport->data1);
864                         READ_PORT_ULONG(cmdport->data2);
865                 }
866                 if (IS_CMDE(cmdport)) {
867                         if (flags & PARM)       /* put data */
868                                 WRITE_PORT_ULONG(cmdport->data2, parm);
869                         WRITE_PORT_ULONG(cmdport->data1, cmd);  /* write cmd */
870                         if ((flags & RESP) && ret) {
871                                 while (!IS_DATF(cmdport) &&
872                                        time < CMDIF_TIMEOUT) {
873                                         udelay(10);
874                                         time++;
875                                 }
876                                 if (time < CMDIF_TIMEOUT) {     /* read response */
877                                         ret->retlongs[0] =
878                                             READ_PORT_ULONG(cmdport->data1);
879                                         ret->retlongs[1] =
880                                             READ_PORT_ULONG(cmdport->data2);
881                                 } else {
882                                         err = -ENOSYS;
883                                         goto errout;
884                                 }
885                         }
886                         break;
887                 }
888                 udelay(20);
889         }
890         if (time == CMDIF_TIMEOUT) {
891                 err = -ENODATA;
892                 goto errout;
893         }
894         spin_unlock_irqrestore(&cif->lock, irqflags);
895
896         cif->cmdcnt++;          /* update command statistics */
897         cif->cmdtime += time;
898         if (time > cif->cmdtimemax)
899                 cif->cmdtimemax = time;
900         if (time < cif->cmdtimemin)
901                 cif->cmdtimemin = time;
902         if ((cif->cmdcnt) % 1000 == 0)
903                 dev_dbg(cif->dev,
904                         "send cmd %d time: %d mintime: %d maxtime %d err: %d\n",
905                         cif->cmdcnt, cif->cmdtime, cif->cmdtimemin,
906                         cif->cmdtimemax, cif->errcnt);
907         return 0;
908
909       errout:
910         cif->errcnt++;
911         spin_unlock_irqrestore(&cif->lock, irqflags);
912         dev_dbg(cif->dev,
913                 "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",
914                 cif->cmdcnt, (int)((void *)&(cmdport->stat) - (void *)hwport),
915                 flags, cmd, parm, ret ? ret->retlongs[0] : 0,
916                 ret ? ret->retlongs[1] : 0, IS_CMDE(cmdport), IS_DATF(cmdport),
917                 err);
918         return err;
919 }
920
921 static int
922 setmixer(struct cmdif *cif, short num, unsigned short rval, unsigned short lval)
923 {
924         union cmdret rptr = CMDRET_ZERO;
925         int i = 0;
926
927         dev_dbg(cif->dev, "sent mixer %d: 0x%x 0x%x\n", num, rval, lval);
928         do {
929                 SEND_SDGV(cif, num, num, rval, lval);
930                 SEND_RDGV(cif, num, num, &rptr);
931                 if (rptr.retwords[0] == lval && rptr.retwords[1] == rval)
932                         return 0;
933         } while (i++ < MAX_WRITE_RETRY);
934         dev_dbg(cif->dev, "sent mixer failed\n");
935         return -EIO;
936 }
937
938 static int getpaths(struct cmdif *cif, unsigned char *o)
939 {
940         unsigned char src[E2SINK_MAX];
941         unsigned char sink[E2SINK_MAX];
942         int i, j = 0;
943
944         for (i = 0; i < E2SINK_MAX; i++) {
945                 getsourcesink(cif, i, i, &src[i], &sink[i]);
946                 if (sink[i] < E2SINK_MAX) {
947                         o[j++] = sink[i];
948                         o[j++] = i;
949                 }
950         }
951         return j;
952 }
953
954 static int
955 getsourcesink(struct cmdif *cif, unsigned char source, unsigned char sink,
956               unsigned char *a, unsigned char *b)
957 {
958         union cmdret rptr = CMDRET_ZERO;
959
960         if (SEND_RSSV(cif, source, sink, &rptr) &&
961             SEND_RSSV(cif, source, sink, &rptr))
962                 return -EIO;
963         *a = rptr.retbytes[0];
964         *b = rptr.retbytes[1];
965         dev_dbg(cif->dev, "%s 0x%x 0x%x\n", __func__, *a, *b);
966         return 0;
967 }
968
969 static int
970 getsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int *rate)
971 {
972         unsigned char *s;
973         unsigned int p[2] = { 0, 0 };
974         int i;
975         union cmdret rptr = CMDRET_ZERO;
976
977         s = intdec;
978         for (i = 0; i < 2; i++) {
979                 if (*s != 0xff) {
980                         if (SEND_RSRC(cif, *s, &rptr) &&
981                             SEND_RSRC(cif, *s, &rptr))
982                                 return -EIO;
983                         p[i] += rptr.retwords[1];
984                         p[i] *= rptr.retwords[2];
985                         p[i] += rptr.retwords[3];
986                         p[i] /= 65536;
987                 }
988                 s++;
989         }
990         if (p[0]) {
991                 if (p[1] != p[0])
992                         dev_dbg(cif->dev, "rates differ %d %d\n", p[0], p[1]);
993                 *rate = (unsigned int)p[0];
994         } else
995                 *rate = (unsigned int)p[1];
996         dev_dbg(cif->dev, "getsampleformat %d %d %d\n", intdec[0], intdec[1], *rate);
997         return 0;
998 }
999
1000 static int
1001 setsampleformat(struct cmdif *cif,
1002                 unsigned char mixer, unsigned char id,
1003                 unsigned char channels, snd_pcm_format_t format)
1004 {
1005         unsigned char w, ch, sig, order;
1006
1007         dev_dbg(cif->dev,
1008                 "%s mixer: %d id: %d channels: %d format: %d\n",
1009                 __func__, mixer, id, channels, format);
1010         ch = channels == 1;
1011         w = snd_pcm_format_width(format) == 8;
1012         sig = snd_pcm_format_unsigned(format) != 0;
1013         order = snd_pcm_format_big_endian(format) != 0;
1014
1015         if (SEND_SETF(cif, mixer, w, ch, order, sig, id) &&
1016             SEND_SETF(cif, mixer, w, ch, order, sig, id)) {
1017                 dev_dbg(cif->dev, "%s failed\n", __func__);
1018                 return -EIO;
1019         }
1020         return 0;
1021 }
1022
1023 static int
1024 setsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int rate)
1025 {
1026         u32 D, M, N;
1027         union cmdret rptr = CMDRET_ZERO;
1028         int i;
1029
1030         dev_dbg(cif->dev, "%s intdec: %d,%d rate: %d\n", __func__,
1031                 intdec[0], intdec[1], rate);
1032         D = 48000;
1033         M = ((rate == 48000) ? 47999 : rate) * 65536;
1034         N = M % D;
1035         M /= D;
1036         for (i = 0; i < 2; i++) {
1037                 if (*intdec != 0xff) {
1038                         do {
1039                                 SEND_SSRC(cif, *intdec, D, M, N);
1040                                 SEND_RSRC(cif, *intdec, &rptr);
1041                         } while (rptr.retwords[1] != D &&
1042                                  rptr.retwords[2] != M &&
1043                                  rptr.retwords[3] != N &&
1044                                  i++ < MAX_WRITE_RETRY);
1045                         if (i > MAX_WRITE_RETRY) {
1046                                 dev_dbg(cif->dev, "sent samplerate %d: %d failed\n",
1047                                         *intdec, rate);
1048                                 return -EIO;
1049                         }
1050                 }
1051                 intdec++;
1052         }
1053         return 0;
1054 }
1055
1056 static int
1057 getmixer(struct cmdif *cif, short num, unsigned short *rval,
1058          unsigned short *lval)
1059 {
1060         union cmdret rptr = CMDRET_ZERO;
1061
1062         if (SEND_RDGV(cif, num, num, &rptr) && SEND_RDGV(cif, num, num, &rptr))
1063                 return -EIO;
1064         *rval = rptr.retwords[0];
1065         *lval = rptr.retwords[1];
1066         dev_dbg(cif->dev, "got mixer %d: 0x%x 0x%x\n", num, *rval, *lval);
1067         return 0;
1068 }
1069
1070 static irqreturn_t riptide_handleirq(int irq, void *dev_id)
1071 {
1072         struct snd_riptide *chip = dev_id;
1073         struct cmdif *cif = chip->cif;
1074         struct snd_pcm_substream *substream[PLAYBACK_SUBSTREAMS + 1];
1075         struct snd_pcm_runtime *runtime;
1076         struct pcmhw *data = NULL;
1077         unsigned int pos, period_bytes;
1078         struct sgd *c;
1079         int i, j;
1080         unsigned int flag;
1081
1082         if (!cif)
1083                 return IRQ_HANDLED;
1084
1085         for (i = 0; i < PLAYBACK_SUBSTREAMS; i++)
1086                 substream[i] = chip->playback_substream[i];
1087         substream[i] = chip->capture_substream;
1088         for (i = 0; i < PLAYBACK_SUBSTREAMS + 1; i++) {
1089                 if (!substream[i])
1090                         continue;
1091                 runtime = substream[i]->runtime;
1092                 if (!runtime)
1093                         continue;
1094                 data = runtime->private_data;
1095                 if (!data)
1096                         continue;
1097                 if (data->state != ST_STOP) {
1098                         pos = 0;
1099                         for (j = 0; j < data->pages; j++) {
1100                                 c = &data->sgdbuf[j];
1101                                 flag = le32_to_cpu(c->dwStat_Ctl);
1102                                 if (flag & EOB_STATUS)
1103                                         pos += le32_to_cpu(c->dwSegLen);
1104                                 if (flag & EOC_STATUS)
1105                                         pos += le32_to_cpu(c->dwSegLen);
1106                                 if ((flag & EOS_STATUS)
1107                                     && (data->state == ST_PLAY)) {
1108                                         data->state = ST_STOP;
1109                                         dev_err(cif->dev,
1110                                                 "Riptide: DMA stopped unexpectedly\n");
1111                                 }
1112                                 c->dwStat_Ctl =
1113                                     cpu_to_le32(flag &
1114                                                 ~(EOS_STATUS | EOB_STATUS |
1115                                                   EOC_STATUS));
1116                         }
1117                         data->pointer += pos;
1118                         pos += data->oldpos;
1119                         if (data->state != ST_STOP) {
1120                                 period_bytes =
1121                                     frames_to_bytes(runtime,
1122                                                     runtime->period_size);
1123                                 dev_dbg(cif->dev,
1124                                         "interrupt 0x%x after 0x%lx of 0x%lx frames in period\n",
1125                                         READ_AUDIO_STATUS(cif->hwport),
1126                                         bytes_to_frames(runtime, pos),
1127                                         runtime->period_size);
1128                                 j = 0;
1129                                 if (pos >= period_bytes) {
1130                                         j++;
1131                                         while (pos >= period_bytes)
1132                                                 pos -= period_bytes;
1133                                 }
1134                                 data->oldpos = pos;
1135                                 if (j > 0)
1136                                         snd_pcm_period_elapsed(substream[i]);
1137                         }
1138                 }
1139         }
1140
1141         return IRQ_HANDLED;
1142 }
1143
1144 static int riptide_suspend(struct device *dev)
1145 {
1146         struct snd_card *card = dev_get_drvdata(dev);
1147         struct snd_riptide *chip = card->private_data;
1148
1149         chip->in_suspend = 1;
1150         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1151         snd_ac97_suspend(chip->ac97);
1152         return 0;
1153 }
1154
1155 static int riptide_resume(struct device *dev)
1156 {
1157         struct snd_card *card = dev_get_drvdata(dev);
1158         struct snd_riptide *chip = card->private_data;
1159
1160         snd_riptide_initialize(chip);
1161         snd_ac97_resume(chip->ac97);
1162         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1163         chip->in_suspend = 0;
1164         return 0;
1165 }
1166
1167 static DEFINE_SIMPLE_DEV_PM_OPS(riptide_pm, riptide_suspend, riptide_resume);
1168
1169 static int try_to_load_firmware(struct cmdif *cif, struct snd_riptide *chip)
1170 {
1171         union firmware_version firmware = { .ret = CMDRET_ZERO };
1172         int i, timeout, err;
1173
1174         for (i = 0; i < 2; i++) {
1175                 WRITE_PORT_ULONG(cif->hwport->port[i].data1, 0);
1176                 WRITE_PORT_ULONG(cif->hwport->port[i].data2, 0);
1177         }
1178         SET_GRESET(cif->hwport);
1179         udelay(100);
1180         UNSET_GRESET(cif->hwport);
1181         udelay(100);
1182
1183         for (timeout = 100000; --timeout; udelay(10)) {
1184                 if (IS_READY(cif->hwport) && !IS_GERR(cif->hwport))
1185                         break;
1186         }
1187         if (!timeout) {
1188                 dev_err(cif->dev,
1189                         "Riptide: device not ready, audio status: 0x%x 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                 dev_dbg(cif->dev,
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         dev_dbg(cif->dev,
1202                 "Firmware version: ASIC: %d CODEC %d AUXDSP %d PROG %d\n",
1203                 firmware.firmware.ASIC, firmware.firmware.CODEC,
1204                 firmware.firmware.AUXDSP, firmware.firmware.PROG);
1205
1206         if (!chip)
1207                 return 1;
1208
1209         for (i = 0; i < FIRMWARE_VERSIONS; i++) {
1210                 if (!memcmp(&firmware_versions[i], &firmware, sizeof(firmware)))
1211                         return 1; /* OK */
1212
1213         }
1214
1215         dev_dbg(cif->dev, "Writing Firmware\n");
1216         if (!chip->fw_entry) {
1217                 err = request_firmware(&chip->fw_entry, "riptide.hex",
1218                                        &chip->pci->dev);
1219                 if (err) {
1220                         dev_err(cif->dev,
1221                                 "Riptide: Firmware not available %d\n", err);
1222                         return -EIO;
1223                 }
1224         }
1225         err = loadfirmware(cif, chip->fw_entry->data, chip->fw_entry->size);
1226         if (err) {
1227                 dev_err(cif->dev,
1228                         "Riptide: Could not load firmware %d\n", err);
1229                 return err;
1230         }
1231
1232         chip->firmware = firmware;
1233
1234         return 1; /* OK */
1235 }
1236
1237 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip)
1238 {
1239         union cmdret rptr = CMDRET_ZERO;
1240         int err, tries;
1241
1242         if (!cif)
1243                 return -EINVAL;
1244
1245         cif->cmdcnt = 0;
1246         cif->cmdtime = 0;
1247         cif->cmdtimemax = 0;
1248         cif->cmdtimemin = 0xffffffff;
1249         cif->errcnt = 0;
1250         cif->is_reset = 0;
1251
1252         tries = RESET_TRIES;
1253         do {
1254                 err = try_to_load_firmware(cif, chip);
1255                 if (err < 0)
1256                         return err;
1257         } while (!err && --tries);
1258
1259         SEND_SACR(cif, 0, AC97_RESET);
1260         SEND_RACR(cif, AC97_RESET, &rptr);
1261         dev_dbg(cif->dev, "AC97: 0x%x 0x%x\n", rptr.retlongs[0], rptr.retlongs[1]);
1262
1263         SEND_PLST(cif, 0);
1264         SEND_SLST(cif, 0);
1265         SEND_DLST(cif, 0);
1266         SEND_ALST(cif, 0);
1267         SEND_KDMA(cif);
1268
1269         writearm(cif, 0x301F8, 1, 1);
1270         writearm(cif, 0x301F4, 1, 1);
1271
1272         SEND_LSEL(cif, MODEM_CMD, 0, 0, MODEM_INTDEC, MODEM_MERGER,
1273                   MODEM_SPLITTER, MODEM_MIXER);
1274         setmixer(cif, MODEM_MIXER, 0x7fff, 0x7fff);
1275         alloclbuspath(cif, ARM2LBUS_FIFO13, lbus_play_modem, NULL, NULL);
1276
1277         SEND_LSEL(cif, FM_CMD, 0, 0, FM_INTDEC, FM_MERGER, FM_SPLITTER,
1278                   FM_MIXER);
1279         setmixer(cif, FM_MIXER, 0x7fff, 0x7fff);
1280         writearm(cif, 0x30648 + FM_MIXER * 4, 0x01, 0x00000005);
1281         writearm(cif, 0x301A8, 0x02, 0x00000002);
1282         writearm(cif, 0x30264, 0x08, 0xffffffff);
1283         alloclbuspath(cif, OPL3_SAMPLE, lbus_play_opl3, NULL, NULL);
1284
1285         SEND_SSRC(cif, I2S_INTDEC, 48000,
1286                   ((u32) I2S_RATE * 65536) / 48000,
1287                   ((u32) I2S_RATE * 65536) % 48000);
1288         SEND_LSEL(cif, I2S_CMD0, 0, 0, I2S_INTDEC, I2S_MERGER, I2S_SPLITTER,
1289                   I2S_MIXER);
1290         SEND_SI2S(cif, 1);
1291         alloclbuspath(cif, ARM2LBUS_FIFO0, lbus_play_i2s, NULL, NULL);
1292         alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_out, NULL, NULL);
1293         alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_outhp, NULL, NULL);
1294
1295         SET_AIACK(cif->hwport);
1296         SET_AIE(cif->hwport);
1297         SET_AIACK(cif->hwport);
1298         cif->is_reset = 1;
1299
1300         return 0;
1301 }
1302
1303 static const struct snd_pcm_hardware snd_riptide_playback = {
1304         .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1305                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1306                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1307         .formats =
1308             SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1309             | SNDRV_PCM_FMTBIT_U16_LE,
1310         .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1311         .rate_min = 5500,
1312         .rate_max = 48000,
1313         .channels_min = 1,
1314         .channels_max = 2,
1315         .buffer_bytes_max = (64 * 1024),
1316         .period_bytes_min = PAGE_SIZE >> 1,
1317         .period_bytes_max = PAGE_SIZE << 8,
1318         .periods_min = 2,
1319         .periods_max = 64,
1320         .fifo_size = 0,
1321 };
1322 static const struct snd_pcm_hardware snd_riptide_capture = {
1323         .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1324                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1325                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1326         .formats =
1327             SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1328             | SNDRV_PCM_FMTBIT_U16_LE,
1329         .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1330         .rate_min = 5500,
1331         .rate_max = 48000,
1332         .channels_min = 1,
1333         .channels_max = 2,
1334         .buffer_bytes_max = (64 * 1024),
1335         .period_bytes_min = PAGE_SIZE >> 1,
1336         .period_bytes_max = PAGE_SIZE << 3,
1337         .periods_min = 2,
1338         .periods_max = 64,
1339         .fifo_size = 0,
1340 };
1341
1342 static snd_pcm_uframes_t snd_riptide_pointer(struct snd_pcm_substream
1343                                              *substream)
1344 {
1345         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1346         struct snd_pcm_runtime *runtime = substream->runtime;
1347         struct pcmhw *data = get_pcmhwdev(substream);
1348         struct cmdif *cif = chip->cif;
1349         union cmdret rptr = CMDRET_ZERO;
1350         snd_pcm_uframes_t ret;
1351
1352         SEND_GPOS(cif, 0, data->id, &rptr);
1353         if (data->size && runtime->period_size) {
1354                 dev_dbg(cif->dev,
1355                         "pointer stream %d position 0x%x(0x%x in buffer) bytes 0x%lx(0x%lx in period) frames\n",
1356                         data->id, rptr.retlongs[1], rptr.retlongs[1] % data->size,
1357                         bytes_to_frames(runtime, rptr.retlongs[1]),
1358                         bytes_to_frames(runtime,
1359                                      rptr.retlongs[1]) % runtime->period_size);
1360                 if (rptr.retlongs[1] > data->pointer)
1361                         ret =
1362                             bytes_to_frames(runtime,
1363                                             rptr.retlongs[1] % data->size);
1364                 else
1365                         ret =
1366                             bytes_to_frames(runtime,
1367                                             data->pointer % data->size);
1368         } else {
1369                 dev_dbg(cif->dev,
1370                         "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                         dev_err(cif->dev, "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         dev_dbg(cif->dev, "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         dev_dbg(cif->dev, "use sgdlist at 0x%p\n", data->sgdlist.area);
1475         if (data->sgdlist.area) {
1476                 unsigned int i, j, size, pages, f, pt, period;
1477                 struct sgd *c, *p = NULL;
1478
1479                 size = frames_to_bytes(runtime, runtime->buffer_size);
1480                 period = frames_to_bytes(runtime, runtime->period_size);
1481                 f = PAGE_SIZE;
1482                 while ((size + (f >> 1) - 1) <= (f << 7) && (f << 1) > period)
1483                         f = f >> 1;
1484                 pages = DIV_ROUND_UP(size, f);
1485                 data->size = size;
1486                 data->pages = pages;
1487                 dev_dbg(cif->dev,
1488                         "create sgd size: 0x%x pages %d of size 0x%x for period 0x%x\n",
1489                         size, pages, f, period);
1490                 pt = 0;
1491                 j = 0;
1492                 for (i = 0; i < pages; i++) {
1493                         unsigned int ofs, addr;
1494                         c = &data->sgdbuf[i];
1495                         if (p)
1496                                 p->dwNextLink = cpu_to_le32(data->sgdlist.addr +
1497                                                             (i *
1498                                                              sizeof(struct
1499                                                                     sgd)));
1500                         c->dwNextLink = cpu_to_le32(data->sgdlist.addr);
1501                         ofs = j << PAGE_SHIFT;
1502                         addr = snd_pcm_sgbuf_get_addr(substream, ofs) + pt;
1503                         c->dwSegPtrPhys = cpu_to_le32(addr);
1504                         pt = (pt + f) % PAGE_SIZE;
1505                         if (pt == 0)
1506                                 j++;
1507                         c->dwSegLen = cpu_to_le32(f);
1508                         c->dwStat_Ctl =
1509                             cpu_to_le32(IEOB_ENABLE | IEOS_ENABLE |
1510                                         IEOC_ENABLE);
1511                         p = c;
1512                         size -= f;
1513                 }
1514                 data->sgdbuf[i].dwSegLen = cpu_to_le32(size);
1515         }
1516         if (lbuspath && lbuspath != data->lbuspath) {
1517                 if (data->lbuspath)
1518                         freelbuspath(cif, data->source, data->lbuspath);
1519                 alloclbuspath(cif, data->source, lbuspath,
1520                               &data->mixer, data->intdec);
1521                 data->lbuspath = lbuspath;
1522                 data->rate = 0;
1523         }
1524         if (data->rate != rate || data->format != format ||
1525             data->channels != channels) {
1526                 data->rate = rate;
1527                 data->format = format;
1528                 data->channels = channels;
1529                 if (setsampleformat
1530                     (cif, data->mixer, data->id, channels, format)
1531                     || setsamplerate(cif, data->intdec, rate))
1532                         err = -EIO;
1533         }
1534         spin_unlock_irq(&chip->lock);
1535         return err;
1536 }
1537
1538 static int
1539 snd_riptide_hw_params(struct snd_pcm_substream *substream,
1540                       struct snd_pcm_hw_params *hw_params)
1541 {
1542         struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1543         struct pcmhw *data = get_pcmhwdev(substream);
1544         struct snd_dma_buffer *sgdlist = &data->sgdlist;
1545         int err;
1546
1547         dev_dbg(chip->card->dev, "hw params id %d (sgdlist: 0x%p 0x%lx %d)\n",
1548                 data->id, sgdlist->area, (unsigned long)sgdlist->addr,
1549                 (int)sgdlist->bytes);
1550         if (sgdlist->area)
1551                 snd_dma_free_pages(sgdlist);
1552         err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &chip->pci->dev,
1553                                   sizeof(struct sgd) * (DESC_MAX_MASK + 1),
1554                                   sgdlist);
1555         if (err < 0) {
1556                 dev_err(chip->card->dev,
1557                         "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         err = snd_pcm_new(chip->card, "RIPTIDE", device, PLAYBACK_SUBSTREAMS, 1,
1682                           &pcm);
1683         if (err < 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         dev_dbg(cif->dev, "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                 dev_dbg(cif->dev, "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         dev_dbg(cif->dev, "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                 cif = kzalloc(sizeof(struct cmdif), GFP_KERNEL);
1771                 if (!cif)
1772                         return -ENOMEM;
1773                 cif->dev = chip->card->dev;
1774                 cif->hwport = (struct riptideport *)chip->port;
1775                 spin_lock_init(&cif->lock);
1776                 chip->cif = cif;
1777         }
1778         cif->is_reset = 0;
1779         err = riptide_reset(cif, chip);
1780         if (err)
1781                 return err;
1782         device_id = chip->device_id;
1783         switch (device_id) {
1784         case 0x4310:
1785         case 0x4320:
1786         case 0x4330:
1787                 dev_dbg(cif->dev, "Modem enable?\n");
1788                 SEND_SETDPLL(cif);
1789                 break;
1790         }
1791         dev_dbg(cif->dev, "Enabling MPU IRQs\n");
1792         if (chip->rmidi)
1793                 SET_EMPUIRQ(cif->hwport);
1794         return err;
1795 }
1796
1797 static void snd_riptide_free(struct snd_card *card)
1798 {
1799         struct snd_riptide *chip = card->private_data;
1800         struct cmdif *cif;
1801
1802         cif = chip->cif;
1803         if (cif) {
1804                 SET_GRESET(cif->hwport);
1805                 udelay(100);
1806                 UNSET_GRESET(cif->hwport);
1807                 kfree(chip->cif);
1808         }
1809         release_firmware(chip->fw_entry);
1810 }
1811
1812 static int
1813 snd_riptide_create(struct snd_card *card, struct pci_dev *pci)
1814 {
1815         struct snd_riptide *chip = card->private_data;
1816         struct riptideport *hwport;
1817         int err;
1818
1819         err = pcim_enable_device(pci);
1820         if (err < 0)
1821                 return err;
1822
1823         spin_lock_init(&chip->lock);
1824         chip->card = card;
1825         chip->pci = pci;
1826         chip->irq = -1;
1827         chip->openstreams = 0;
1828         chip->port = pci_resource_start(pci, 0);
1829         chip->received_irqs = 0;
1830         chip->handled_irqs = 0;
1831         chip->cif = NULL;
1832         card->private_free = snd_riptide_free;
1833
1834         err = pci_request_regions(pci, "RIPTIDE");
1835         if (err < 0)
1836                 return err;
1837         hwport = (struct riptideport *)chip->port;
1838         UNSET_AIE(hwport);
1839
1840         if (devm_request_threaded_irq(&pci->dev, pci->irq,
1841                                       snd_riptide_interrupt,
1842                                       riptide_handleirq, IRQF_SHARED,
1843                                       KBUILD_MODNAME, chip)) {
1844                 dev_err(&pci->dev, "Riptide: unable to grab IRQ %d\n",
1845                         pci->irq);
1846                 return -EBUSY;
1847         }
1848         chip->irq = pci->irq;
1849         card->sync_irq = chip->irq;
1850         chip->device_id = pci->device;
1851         pci_set_master(pci);
1852         err = snd_riptide_initialize(chip);
1853         if (err < 0)
1854                 return err;
1855
1856         return 0;
1857 }
1858
1859 static void
1860 snd_riptide_proc_read(struct snd_info_entry *entry,
1861                       struct snd_info_buffer *buffer)
1862 {
1863         struct snd_riptide *chip = entry->private_data;
1864         struct pcmhw *data;
1865         int i;
1866         struct cmdif *cif = NULL;
1867         unsigned char p[256];
1868         unsigned short rval = 0, lval = 0;
1869         unsigned int rate;
1870
1871         if (!chip)
1872                 return;
1873
1874         snd_iprintf(buffer, "%s\n\n", chip->card->longname);
1875         snd_iprintf(buffer, "Device ID: 0x%x\nReceived IRQs: (%ld)%ld\nPorts:",
1876                     chip->device_id, chip->handled_irqs, chip->received_irqs);
1877         for (i = 0; i < 64; i += 4)
1878                 snd_iprintf(buffer, "%c%02x: %08x",
1879                             (i % 16) ? ' ' : '\n', i, inl(chip->port + i));
1880         cif = chip->cif;
1881         if (cif) {
1882                 snd_iprintf(buffer,
1883                             "\nVersion: ASIC: %d CODEC: %d AUXDSP: %d PROG: %d",
1884                             chip->firmware.firmware.ASIC,
1885                             chip->firmware.firmware.CODEC,
1886                             chip->firmware.firmware.AUXDSP,
1887                             chip->firmware.firmware.PROG);
1888                 snd_iprintf(buffer, "\nDigital mixer:");
1889                 for (i = 0; i < 12; i++) {
1890                         getmixer(cif, i, &rval, &lval);
1891                         snd_iprintf(buffer, "\n %d: %d %d", i, rval, lval);
1892                 }
1893                 snd_iprintf(buffer,
1894                             "\nARM Commands num: %d failed: %d time: %d max: %d min: %d",
1895                             cif->cmdcnt, cif->errcnt,
1896                             cif->cmdtime, cif->cmdtimemax, cif->cmdtimemin);
1897         }
1898         snd_iprintf(buffer, "\nOpen streams %d:\n", chip->openstreams);
1899         for (i = 0; i < PLAYBACK_SUBSTREAMS; i++) {
1900                 if (!chip->playback_substream[i] ||
1901                     !chip->playback_substream[i]->runtime)
1902                         continue;
1903                 data = chip->playback_substream[i]->runtime->private_data;
1904                 if (data) {
1905                         snd_iprintf(buffer,
1906                                     "stream: %d mixer: %d source: %d (%d,%d)\n",
1907                                     data->id, data->mixer, data->source,
1908                                     data->intdec[0], data->intdec[1]);
1909                         if (!(getsamplerate(cif, data->intdec, &rate)))
1910                                 snd_iprintf(buffer, "rate: %d\n", rate);
1911                 }
1912         }
1913         if (chip->capture_substream && chip->capture_substream->runtime) {
1914                 data = chip->capture_substream->runtime->private_data;
1915                 if (data) {
1916                         snd_iprintf(buffer,
1917                                     "stream: %d mixer: %d source: %d (%d,%d)\n",
1918                                     data->id, data->mixer,
1919                                     data->source, data->intdec[0], data->intdec[1]);
1920                         if (!(getsamplerate(cif, data->intdec, &rate)))
1921                                 snd_iprintf(buffer, "rate: %d\n", rate);
1922                 }
1923         }
1924         snd_iprintf(buffer, "Paths:\n");
1925         i = getpaths(cif, p);
1926         while (i >= 2) {
1927                 i -= 2;
1928                 snd_iprintf(buffer, "%x->%x ", p[i], p[i + 1]);
1929         }
1930         snd_iprintf(buffer, "\n");
1931 }
1932
1933 static void snd_riptide_proc_init(struct snd_riptide *chip)
1934 {
1935         snd_card_ro_proc_new(chip->card, "riptide", chip,
1936                              snd_riptide_proc_read);
1937 }
1938
1939 static int snd_riptide_mixer(struct snd_riptide *chip)
1940 {
1941         struct snd_ac97_bus *pbus;
1942         struct snd_ac97_template ac97;
1943         int err = 0;
1944         static const struct snd_ac97_bus_ops ops = {
1945                 .write = snd_riptide_codec_write,
1946                 .read = snd_riptide_codec_read,
1947         };
1948
1949         memset(&ac97, 0, sizeof(ac97));
1950         ac97.private_data = chip;
1951         ac97.scaps = AC97_SCAP_SKIP_MODEM;
1952
1953         err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus);
1954         if (err < 0)
1955                 return err;
1956
1957         chip->ac97_bus = pbus;
1958         ac97.pci = chip->pci;
1959         err = snd_ac97_mixer(pbus, &ac97, &chip->ac97);
1960         if (err < 0)
1961                 return err;
1962         return err;
1963 }
1964
1965 #ifdef SUPPORT_JOYSTICK
1966
1967 static int
1968 snd_riptide_joystick_probe(struct pci_dev *pci, const struct pci_device_id *id)
1969 {
1970         static int dev;
1971         struct gameport *gameport;
1972         int ret;
1973
1974         if (dev >= SNDRV_CARDS)
1975                 return -ENODEV;
1976
1977         if (!enable[dev]) {
1978                 ret = -ENOENT;
1979                 goto inc_dev;
1980         }
1981
1982         if (!joystick_port[dev]) {
1983                 ret = 0;
1984                 goto inc_dev;
1985         }
1986
1987         gameport = gameport_allocate_port();
1988         if (!gameport) {
1989                 ret = -ENOMEM;
1990                 goto inc_dev;
1991         }
1992         if (!request_region(joystick_port[dev], 8, "Riptide gameport")) {
1993                 dev_err(&pci->dev,
1994                         "Riptide: cannot grab gameport 0x%x\n",
1995                         joystick_port[dev]);
1996                 gameport_free_port(gameport);
1997                 ret = -EBUSY;
1998                 goto inc_dev;
1999         }
2000
2001         gameport->io = joystick_port[dev];
2002         gameport_register_port(gameport);
2003         pci_set_drvdata(pci, gameport);
2004
2005         ret = 0;
2006 inc_dev:
2007         dev++;
2008         return ret;
2009 }
2010
2011 static void snd_riptide_joystick_remove(struct pci_dev *pci)
2012 {
2013         struct gameport *gameport = pci_get_drvdata(pci);
2014         if (gameport) {
2015                 release_region(gameport->io, 8);
2016                 gameport_unregister_port(gameport);
2017         }
2018 }
2019 #endif
2020
2021 static int
2022 __snd_card_riptide_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2023 {
2024         static int dev;
2025         struct snd_card *card;
2026         struct snd_riptide *chip;
2027         unsigned short val;
2028         int err;
2029
2030         if (dev >= SNDRV_CARDS)
2031                 return -ENODEV;
2032         if (!enable[dev]) {
2033                 dev++;
2034                 return -ENOENT;
2035         }
2036
2037         err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2038                                 sizeof(*chip), &card);
2039         if (err < 0)
2040                 return err;
2041         chip = card->private_data;
2042         err = snd_riptide_create(card, pci);
2043         if (err < 0)
2044                 return err;
2045         err = snd_riptide_pcm(chip, 0);
2046         if (err < 0)
2047                 return err;
2048         err = snd_riptide_mixer(chip);
2049         if (err < 0)
2050                 return err;
2051
2052         val = LEGACY_ENABLE_ALL;
2053         if (opl3_port[dev])
2054                 val |= LEGACY_ENABLE_FM;
2055 #ifdef SUPPORT_JOYSTICK
2056         if (joystick_port[dev])
2057                 val |= LEGACY_ENABLE_GAMEPORT;
2058 #endif
2059         if (mpu_port[dev])
2060                 val |= LEGACY_ENABLE_MPU_INT | LEGACY_ENABLE_MPU;
2061         val |= (chip->irq << 4) & 0xf0;
2062         pci_write_config_word(chip->pci, PCI_EXT_Legacy_Mask, val);
2063         if (mpu_port[dev]) {
2064                 val = mpu_port[dev];
2065                 pci_write_config_word(chip->pci, PCI_EXT_MPU_Base, val);
2066                 err = snd_mpu401_uart_new(card, 0, MPU401_HW_RIPTIDE,
2067                                           val, MPU401_INFO_IRQ_HOOK, -1,
2068                                           &chip->rmidi);
2069                 if (err < 0)
2070                         dev_warn(&pci->dev,
2071                                  "Riptide: Can't Allocate MPU at 0x%x\n",
2072                                  val);
2073                 else
2074                         chip->mpuaddr = val;
2075         }
2076         if (opl3_port[dev]) {
2077                 val = opl3_port[dev];
2078                 pci_write_config_word(chip->pci, PCI_EXT_FM_Base, val);
2079                 err = snd_opl3_create(card, val, val + 2,
2080                                       OPL3_HW_RIPTIDE, 0, &chip->opl3);
2081                 if (err < 0)
2082                         dev_warn(&pci->dev,
2083                                  "Riptide: Can't Allocate OPL3 at 0x%x\n",
2084                                  val);
2085                 else {
2086                         chip->opladdr = val;
2087                         err = snd_opl3_hwdep_new(chip->opl3, 0, 1, NULL);
2088                         if (err < 0)
2089                                 dev_warn(&pci->dev,
2090                                          "Riptide: Can't Allocate OPL3-HWDEP\n");
2091                 }
2092         }
2093 #ifdef SUPPORT_JOYSTICK
2094         if (joystick_port[dev]) {
2095                 val = joystick_port[dev];
2096                 pci_write_config_word(chip->pci, PCI_EXT_Game_Base, val);
2097                 chip->gameaddr = val;
2098         }
2099 #endif
2100
2101         strcpy(card->driver, "RIPTIDE");
2102         strcpy(card->shortname, "Riptide");
2103 #ifdef SUPPORT_JOYSTICK
2104         scnprintf(card->longname, sizeof(card->longname),
2105                   "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x gameport 0x%x",
2106                   card->shortname, chip->port, chip->irq, chip->mpuaddr,
2107                   chip->opladdr, chip->gameaddr);
2108 #else
2109         scnprintf(card->longname, sizeof(card->longname),
2110                   "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x",
2111                   card->shortname, chip->port, chip->irq, chip->mpuaddr,
2112                   chip->opladdr);
2113 #endif
2114         snd_riptide_proc_init(chip);
2115         err = snd_card_register(card);
2116         if (err < 0)
2117                 return err;
2118         pci_set_drvdata(pci, card);
2119         dev++;
2120         return 0;
2121 }
2122
2123 static int
2124 snd_card_riptide_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2125 {
2126         return snd_card_free_on_error(&pci->dev, __snd_card_riptide_probe(pci, pci_id));
2127 }
2128
2129 static struct pci_driver driver = {
2130         .name = KBUILD_MODNAME,
2131         .id_table = snd_riptide_ids,
2132         .probe = snd_card_riptide_probe,
2133         .driver = {
2134                 .pm = &riptide_pm,
2135         },
2136 };
2137
2138 #ifdef SUPPORT_JOYSTICK
2139 static struct pci_driver joystick_driver = {
2140         .name = KBUILD_MODNAME "-joystick",
2141         .id_table = snd_riptide_joystick_ids,
2142         .probe = snd_riptide_joystick_probe,
2143         .remove = snd_riptide_joystick_remove,
2144 };
2145 #endif
2146
2147 static int __init alsa_card_riptide_init(void)
2148 {
2149         int err;
2150         err = pci_register_driver(&driver);
2151         if (err < 0)
2152                 return err;
2153 #if defined(SUPPORT_JOYSTICK)
2154         err = pci_register_driver(&joystick_driver);
2155         /* On failure unregister formerly registered audio driver */
2156         if (err < 0)
2157                 pci_unregister_driver(&driver);
2158 #endif
2159         return err;
2160 }
2161
2162 static void __exit alsa_card_riptide_exit(void)
2163 {
2164         pci_unregister_driver(&driver);
2165 #if defined(SUPPORT_JOYSTICK)
2166         pci_unregister_driver(&joystick_driver);
2167 #endif
2168 }
2169
2170 module_init(alsa_card_riptide_init);
2171 module_exit(alsa_card_riptide_exit);
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