xref: /openbmc/linux/sound/pci/riptide/riptide.c (revision a09d2831)
1 /*
2  *   Driver for the Conexant Riptide Soundchip
3  *
4  *	Copyright (c) 2004 Peter Gruber <nokos@gmx.net>
5  *
6  *   This program is free software; you can redistribute it and/or modify
7  *   it under the terms of the GNU General Public License as published by
8  *   the Free Software Foundation; either version 2 of the License, or
9  *   (at your option) any later version.
10  *
11  *   This program is distributed in the hope that it will be useful,
12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *   GNU General Public License for more details.
15  *
16  *   You should have received a copy of the GNU General Public License
17  *   along with this program; if not, write to the Free Software
18  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
19  *
20  */
21 /*
22   History:
23    - 02/15/2004 first release
24 
25   This Driver is based on the OSS Driver version from Linuxant (riptide-0.6lnxtbeta03111100)
26   credits from the original files:
27 
28   MODULE NAME:        cnxt_rt.h
29   AUTHOR:             K. Lazarev  (Transcribed by KNL)
30   HISTORY:         Major Revision               Date        By
31             -----------------------------     --------     -----
32             Created                           02/1/2000     KNL
33 
34   MODULE NAME:     int_mdl.c
35   AUTHOR:          Konstantin Lazarev    (Transcribed by KNL)
36   HISTORY:         Major Revision               Date        By
37             -----------------------------     --------     -----
38             Created                           10/01/99      KNL
39 
40   MODULE NAME:        riptide.h
41   AUTHOR:             O. Druzhinin  (Transcribed by OLD)
42   HISTORY:         Major Revision               Date        By
43             -----------------------------     --------     -----
44             Created                           10/16/97      OLD
45 
46   MODULE NAME:        Rp_Cmdif.cpp
47   AUTHOR:             O. Druzhinin  (Transcribed by OLD)
48                       K. Lazarev    (Transcribed by KNL)
49   HISTORY:         Major Revision               Date        By
50             -----------------------------     --------     -----
51             Adopted from NT4 driver            6/22/99      OLD
52             Ported to Linux                    9/01/99      KNL
53 
54   MODULE NAME:        rt_hw.c
55   AUTHOR:             O. Druzhinin  (Transcribed by OLD)
56                       C. Lazarev    (Transcribed by CNL)
57   HISTORY:         Major Revision               Date        By
58             -----------------------------     --------     -----
59             Created                           11/18/97      OLD
60             Hardware functions for RipTide    11/24/97      CNL
61             (ES1) are coded
62             Hardware functions for RipTide    12/24/97      CNL
63             (A0) are coded
64             Hardware functions for RipTide    03/20/98      CNL
65             (A1) are coded
66             Boot loader is included           05/07/98      CNL
67             Redesigned for WDM                07/27/98      CNL
68             Redesigned for Linux              09/01/99      CNL
69 
70   MODULE NAME:        rt_hw.h
71   AUTHOR:             C. Lazarev    (Transcribed by CNL)
72   HISTORY:         Major Revision               Date        By
73             -----------------------------     --------     -----
74             Created                           11/18/97      CNL
75 
76   MODULE NAME:     rt_mdl.c
77   AUTHOR:          Konstantin Lazarev    (Transcribed by KNL)
78   HISTORY:         Major Revision               Date        By
79             -----------------------------     --------     -----
80             Created                           10/01/99      KNL
81 
82   MODULE NAME:        mixer.h
83   AUTHOR:             K. Kenney
84   HISTORY:         Major Revision                   Date          By
85             -----------------------------          --------     -----
86             Created from MS W95 Sample             11/28/95      KRS
87             RipTide                                10/15/97      KRS
88             Adopted for Windows NT driver          01/20/98      CNL
89 */
90 
91 #include <linux/delay.h>
92 #include <linux/init.h>
93 #include <linux/interrupt.h>
94 #include <linux/pci.h>
95 #include <linux/slab.h>
96 #include <linux/wait.h>
97 #include <linux/gameport.h>
98 #include <linux/device.h>
99 #include <linux/firmware.h>
100 #include <asm/io.h>
101 #include <sound/core.h>
102 #include <sound/info.h>
103 #include <sound/control.h>
104 #include <sound/pcm.h>
105 #include <sound/pcm_params.h>
106 #include <sound/ac97_codec.h>
107 #include <sound/mpu401.h>
108 #include <sound/opl3.h>
109 #include <sound/initval.h>
110 
111 #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
112 #define SUPPORT_JOYSTICK 1
113 #endif
114 
115 MODULE_AUTHOR("Peter Gruber <nokos@gmx.net>");
116 MODULE_DESCRIPTION("riptide");
117 MODULE_LICENSE("GPL");
118 MODULE_SUPPORTED_DEVICE("{{Conexant,Riptide}}");
119 MODULE_FIRMWARE("riptide.hex");
120 
121 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
122 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
123 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
124 
125 #ifdef SUPPORT_JOYSTICK
126 static int joystick_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x200 };
127 #endif
128 static int mpu_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x330 };
129 static int opl3_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x388 };
130 
131 module_param_array(index, int, NULL, 0444);
132 MODULE_PARM_DESC(index, "Index value for Riptide soundcard.");
133 module_param_array(id, charp, NULL, 0444);
134 MODULE_PARM_DESC(id, "ID string for Riptide soundcard.");
135 module_param_array(enable, bool, NULL, 0444);
136 MODULE_PARM_DESC(enable, "Enable Riptide soundcard.");
137 #ifdef SUPPORT_JOYSTICK
138 module_param_array(joystick_port, int, NULL, 0444);
139 MODULE_PARM_DESC(joystick_port, "Joystick port # for Riptide soundcard.");
140 #endif
141 module_param_array(mpu_port, int, NULL, 0444);
142 MODULE_PARM_DESC(mpu_port, "MPU401 port # for Riptide driver.");
143 module_param_array(opl3_port, int, NULL, 0444);
144 MODULE_PARM_DESC(opl3_port, "OPL3 port # for Riptide driver.");
145 
146 /*
147  */
148 
149 #define MPU401_HW_RIPTIDE MPU401_HW_MPU401
150 #define OPL3_HW_RIPTIDE   OPL3_HW_OPL3
151 
152 #define PCI_EXT_CapId       0x40
153 #define PCI_EXT_NextCapPrt  0x41
154 #define PCI_EXT_PWMC        0x42
155 #define PCI_EXT_PWSCR       0x44
156 #define PCI_EXT_Data00      0x46
157 #define PCI_EXT_PMSCR_BSE   0x47
158 #define PCI_EXT_SB_Base     0x48
159 #define PCI_EXT_FM_Base     0x4a
160 #define PCI_EXT_MPU_Base    0x4C
161 #define PCI_EXT_Game_Base   0x4E
162 #define PCI_EXT_Legacy_Mask 0x50
163 #define PCI_EXT_AsicRev     0x52
164 #define PCI_EXT_Reserved3   0x53
165 
166 #define LEGACY_ENABLE_ALL      0x8000	/* legacy device options */
167 #define LEGACY_ENABLE_SB       0x4000
168 #define LEGACY_ENABLE_FM       0x2000
169 #define LEGACY_ENABLE_MPU_INT  0x1000
170 #define LEGACY_ENABLE_MPU      0x0800
171 #define LEGACY_ENABLE_GAMEPORT 0x0400
172 
173 #define MAX_WRITE_RETRY  10	/* cmd interface limits */
174 #define MAX_ERROR_COUNT  10
175 #define CMDIF_TIMEOUT    50000
176 #define RESET_TRIES      5
177 
178 #define READ_PORT_ULONG(p)     inl((unsigned long)&(p))
179 #define WRITE_PORT_ULONG(p,x)  outl(x,(unsigned long)&(p))
180 
181 #define READ_AUDIO_CONTROL(p)     READ_PORT_ULONG(p->audio_control)
182 #define WRITE_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,x)
183 #define UMASK_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)|x)
184 #define MASK_AUDIO_CONTROL(p,x)   WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)&x)
185 #define READ_AUDIO_STATUS(p)      READ_PORT_ULONG(p->audio_status)
186 
187 #define SET_GRESET(p)     UMASK_AUDIO_CONTROL(p,0x0001)	/* global reset switch */
188 #define UNSET_GRESET(p)   MASK_AUDIO_CONTROL(p,~0x0001)
189 #define SET_AIE(p)        UMASK_AUDIO_CONTROL(p,0x0004)	/* interrupt enable */
190 #define UNSET_AIE(p)      MASK_AUDIO_CONTROL(p,~0x0004)
191 #define SET_AIACK(p)      UMASK_AUDIO_CONTROL(p,0x0008)	/* interrupt acknowledge */
192 #define UNSET_AIACKT(p)   MASKAUDIO_CONTROL(p,~0x0008)
193 #define SET_ECMDAE(p)     UMASK_AUDIO_CONTROL(p,0x0010)
194 #define UNSET_ECMDAE(p)   MASK_AUDIO_CONTROL(p,~0x0010)
195 #define SET_ECMDBE(p)     UMASK_AUDIO_CONTROL(p,0x0020)
196 #define UNSET_ECMDBE(p)   MASK_AUDIO_CONTROL(p,~0x0020)
197 #define SET_EDATAF(p)     UMASK_AUDIO_CONTROL(p,0x0040)
198 #define UNSET_EDATAF(p)   MASK_AUDIO_CONTROL(p,~0x0040)
199 #define SET_EDATBF(p)     UMASK_AUDIO_CONTROL(p,0x0080)
200 #define UNSET_EDATBF(p)   MASK_AUDIO_CONTROL(p,~0x0080)
201 #define SET_ESBIRQON(p)   UMASK_AUDIO_CONTROL(p,0x0100)
202 #define UNSET_ESBIRQON(p) MASK_AUDIO_CONTROL(p,~0x0100)
203 #define SET_EMPUIRQ(p)    UMASK_AUDIO_CONTROL(p,0x0200)
204 #define UNSET_EMPUIRQ(p)  MASK_AUDIO_CONTROL(p,~0x0200)
205 #define IS_CMDE(a)        (READ_PORT_ULONG(a->stat)&0x1)	/* cmd empty */
206 #define IS_DATF(a)        (READ_PORT_ULONG(a->stat)&0x2)	/* data filled */
207 #define IS_READY(p)       (READ_AUDIO_STATUS(p)&0x0001)
208 #define IS_DLREADY(p)     (READ_AUDIO_STATUS(p)&0x0002)
209 #define IS_DLERR(p)       (READ_AUDIO_STATUS(p)&0x0004)
210 #define IS_GERR(p)        (READ_AUDIO_STATUS(p)&0x0008)	/* error ! */
211 #define IS_CMDAEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0010)
212 #define IS_CMDBEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0020)
213 #define IS_DATAFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0040)
214 #define IS_DATBFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0080)
215 #define IS_EOBIRQ(p)      (READ_AUDIO_STATUS(p)&0x0100)	/* interrupt status */
216 #define IS_EOSIRQ(p)      (READ_AUDIO_STATUS(p)&0x0200)
217 #define IS_EOCIRQ(p)      (READ_AUDIO_STATUS(p)&0x0400)
218 #define IS_UNSLIRQ(p)     (READ_AUDIO_STATUS(p)&0x0800)
219 #define IS_SBIRQ(p)       (READ_AUDIO_STATUS(p)&0x1000)
220 #define IS_MPUIRQ(p)      (READ_AUDIO_STATUS(p)&0x2000)
221 
222 #define RESP 0x00000001		/* command flags */
223 #define PARM 0x00000002
224 #define CMDA 0x00000004
225 #define CMDB 0x00000008
226 #define NILL 0x00000000
227 
228 #define LONG0(a)   ((u32)a)	/* shifts and masks */
229 #define BYTE0(a)   (LONG0(a)&0xff)
230 #define BYTE1(a)   (BYTE0(a)<<8)
231 #define BYTE2(a)   (BYTE0(a)<<16)
232 #define BYTE3(a)   (BYTE0(a)<<24)
233 #define WORD0(a)   (LONG0(a)&0xffff)
234 #define WORD1(a)   (WORD0(a)<<8)
235 #define WORD2(a)   (WORD0(a)<<16)
236 #define TRINIB0(a) (LONG0(a)&0xffffff)
237 #define TRINIB1(a) (TRINIB0(a)<<8)
238 
239 #define RET(a)     ((union cmdret *)(a))
240 
241 #define SEND_GETV(p,b)             sendcmd(p,RESP,GETV,0,RET(b))	/* get version */
242 #define SEND_GETC(p,b,c)           sendcmd(p,PARM|RESP,GETC,c,RET(b))
243 #define SEND_GUNS(p,b)             sendcmd(p,RESP,GUNS,0,RET(b))
244 #define SEND_SCID(p,b)             sendcmd(p,RESP,SCID,0,RET(b))
245 #define SEND_RMEM(p,b,c,d)         sendcmd(p,PARM|RESP,RMEM|BYTE1(b),LONG0(c),RET(d))	/* memory access for firmware write */
246 #define SEND_SMEM(p,b,c)           sendcmd(p,PARM,SMEM|BYTE1(b),LONG0(c),RET(0))	/* memory access for firmware write */
247 #define SEND_WMEM(p,b,c)           sendcmd(p,PARM,WMEM|BYTE1(b),LONG0(c),RET(0))	/* memory access for firmware write */
248 #define SEND_SDTM(p,b,c)           sendcmd(p,PARM|RESP,SDTM|TRINIB1(b),0,RET(c))	/* memory access for firmware write */
249 #define SEND_GOTO(p,b)             sendcmd(p,PARM,GOTO,LONG0(b),RET(0))	/* memory access for firmware write */
250 #define SEND_SETDPLL(p)	           sendcmd(p,0,ARM_SETDPLL,0,RET(0))
251 #define SEND_SSTR(p,b,c)           sendcmd(p,PARM,SSTR|BYTE3(b),LONG0(c),RET(0))	/* start stream */
252 #define SEND_PSTR(p,b)             sendcmd(p,PARM,PSTR,BYTE3(b),RET(0))	/* pause stream */
253 #define SEND_KSTR(p,b)             sendcmd(p,PARM,KSTR,BYTE3(b),RET(0))	/* stop stream */
254 #define SEND_KDMA(p)               sendcmd(p,0,KDMA,0,RET(0))	/* stop all dma */
255 #define SEND_GPOS(p,b,c,d)         sendcmd(p,PARM|RESP,GPOS,BYTE3(c)|BYTE2(b),RET(d))	/* get position in dma */
256 #define SEND_SETF(p,b,c,d,e,f,g)   sendcmd(p,PARM,SETF|WORD1(b)|BYTE3(c),d|BYTE1(e)|BYTE2(f)|BYTE3(g),RET(0))	/* set sample format at mixer */
257 #define SEND_GSTS(p,b,c,d)         sendcmd(p,PARM|RESP,GSTS,BYTE3(c)|BYTE2(b),RET(d))
258 #define SEND_NGPOS(p,b,c,d)        sendcmd(p,PARM|RESP,NGPOS,BYTE3(c)|BYTE2(b),RET(d))
259 #define SEND_PSEL(p,b,c)           sendcmd(p,PARM,PSEL,BYTE2(b)|BYTE3(c),RET(0))	/* activate lbus path */
260 #define SEND_PCLR(p,b,c)           sendcmd(p,PARM,PCLR,BYTE2(b)|BYTE3(c),RET(0))	/* deactivate lbus path */
261 #define SEND_PLST(p,b)             sendcmd(p,PARM,PLST,BYTE3(b),RET(0))
262 #define SEND_RSSV(p,b,c,d)         sendcmd(p,PARM|RESP,RSSV,BYTE2(b)|BYTE3(c),RET(d))
263 #define SEND_LSEL(p,b,c,d,e,f,g,h) sendcmd(p,PARM,LSEL|BYTE1(b)|BYTE2(c)|BYTE3(d),BYTE0(e)|BYTE1(f)|BYTE2(g)|BYTE3(h),RET(0))	/* select paths for internal connections */
264 #define SEND_SSRC(p,b,c,d,e)       sendcmd(p,PARM,SSRC|BYTE1(b)|WORD2(c),WORD0(d)|WORD2(e),RET(0))	/* configure source */
265 #define SEND_SLST(p,b)             sendcmd(p,PARM,SLST,BYTE3(b),RET(0))
266 #define SEND_RSRC(p,b,c)           sendcmd(p,RESP,RSRC|BYTE1(b),0,RET(c))	/* read source config */
267 #define SEND_SSRB(p,b,c)           sendcmd(p,PARM,SSRB|BYTE1(b),WORD2(c),RET(0))
268 #define SEND_SDGV(p,b,c,d,e)       sendcmd(p,PARM,SDGV|BYTE2(b)|BYTE3(c),WORD0(d)|WORD2(e),RET(0))	/* set digital mixer */
269 #define SEND_RDGV(p,b,c,d)         sendcmd(p,PARM|RESP,RDGV|BYTE2(b)|BYTE3(c),0,RET(d))	/* read digital mixer */
270 #define SEND_DLST(p,b)             sendcmd(p,PARM,DLST,BYTE3(b),RET(0))
271 #define SEND_SACR(p,b,c)           sendcmd(p,PARM,SACR,WORD0(b)|WORD2(c),RET(0))	/* set AC97 register */
272 #define SEND_RACR(p,b,c)           sendcmd(p,PARM|RESP,RACR,WORD2(b),RET(c))	/* get AC97 register */
273 #define SEND_ALST(p,b)             sendcmd(p,PARM,ALST,BYTE3(b),RET(0))
274 #define SEND_TXAC(p,b,c,d,e,f)     sendcmd(p,PARM,TXAC|BYTE1(b)|WORD2(c),WORD0(d)|BYTE2(e)|BYTE3(f),RET(0))
275 #define SEND_RXAC(p,b,c,d)         sendcmd(p,PARM|RESP,RXAC,BYTE2(b)|BYTE3(c),RET(d))
276 #define SEND_SI2S(p,b)             sendcmd(p,PARM,SI2S,WORD2(b),RET(0))
277 
278 #define EOB_STATUS         0x80000000	/* status flags : block boundary */
279 #define EOS_STATUS         0x40000000	/*              : stoppped */
280 #define EOC_STATUS         0x20000000	/*              : stream end */
281 #define ERR_STATUS         0x10000000
282 #define EMPTY_STATUS       0x08000000
283 
284 #define IEOB_ENABLE        0x1	/* enable interrupts for status notification above */
285 #define IEOS_ENABLE        0x2
286 #define IEOC_ENABLE        0x4
287 #define RDONCE             0x8
288 #define DESC_MAX_MASK      0xff
289 
290 #define ST_PLAY  0x1		/* stream states */
291 #define ST_STOP  0x2
292 #define ST_PAUSE 0x4
293 
294 #define I2S_INTDEC     3	/* config for I2S link */
295 #define I2S_MERGER     0
296 #define I2S_SPLITTER   0
297 #define I2S_MIXER      7
298 #define I2S_RATE       44100
299 
300 #define MODEM_INTDEC   4	/* config for modem link */
301 #define MODEM_MERGER   3
302 #define MODEM_SPLITTER 0
303 #define MODEM_MIXER    11
304 
305 #define FM_INTDEC      3	/* config for FM/OPL3 link */
306 #define FM_MERGER      0
307 #define FM_SPLITTER    0
308 #define FM_MIXER       9
309 
310 #define SPLIT_PATH  0x80	/* path splitting flag */
311 
312 enum FIRMWARE {
313 	DATA_REC = 0, EXT_END_OF_FILE, EXT_SEG_ADDR_REC, EXT_GOTO_CMD_REC,
314 	EXT_LIN_ADDR_REC,
315 };
316 
317 enum CMDS {
318 	GETV = 0x00, GETC, GUNS, SCID, RMEM =
319 	    0x10, SMEM, WMEM, SDTM, GOTO, SSTR =
320 	    0x20, PSTR, KSTR, KDMA, GPOS, SETF, GSTS, NGPOS, PSEL =
321 	    0x30, PCLR, PLST, RSSV, LSEL, SSRC = 0x40, SLST, RSRC, SSRB, SDGV =
322 	    0x50, RDGV, DLST, SACR = 0x60, RACR, ALST, TXAC, RXAC, SI2S =
323 	    0x70, ARM_SETDPLL = 0x72,
324 };
325 
326 enum E1SOURCE {
327 	ARM2LBUS_FIFO0 = 0, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2, ARM2LBUS_FIFO3,
328 	ARM2LBUS_FIFO4, ARM2LBUS_FIFO5, ARM2LBUS_FIFO6, ARM2LBUS_FIFO7,
329 	ARM2LBUS_FIFO8, ARM2LBUS_FIFO9, ARM2LBUS_FIFO10, ARM2LBUS_FIFO11,
330 	ARM2LBUS_FIFO12, ARM2LBUS_FIFO13, ARM2LBUS_FIFO14, ARM2LBUS_FIFO15,
331 	INTER0_OUT, INTER1_OUT, INTER2_OUT, INTER3_OUT, INTER4_OUT,
332 	INTERM0_OUT, INTERM1_OUT, INTERM2_OUT, INTERM3_OUT, INTERM4_OUT,
333 	INTERM5_OUT, INTERM6_OUT, DECIMM0_OUT, DECIMM1_OUT, DECIMM2_OUT,
334 	DECIMM3_OUT, DECIM0_OUT, SR3_4_OUT, OPL3_SAMPLE, ASRC0, ASRC1,
335 	ACLNK2PADC, ACLNK2MODEM0RX, ACLNK2MIC, ACLNK2MODEM1RX, ACLNK2HNDMIC,
336 	DIGITAL_MIXER_OUT0, GAINFUNC0_OUT, GAINFUNC1_OUT, GAINFUNC2_OUT,
337 	GAINFUNC3_OUT, GAINFUNC4_OUT, SOFTMODEMTX, SPLITTER0_OUTL,
338 	SPLITTER0_OUTR, SPLITTER1_OUTL, SPLITTER1_OUTR, SPLITTER2_OUTL,
339 	SPLITTER2_OUTR, SPLITTER3_OUTL, SPLITTER3_OUTR, MERGER0_OUT,
340 	MERGER1_OUT, MERGER2_OUT, MERGER3_OUT, ARM2LBUS_FIFO_DIRECT, NO_OUT
341 };
342 
343 enum E2SINK {
344 	LBUS2ARM_FIFO0 = 0, LBUS2ARM_FIFO1, LBUS2ARM_FIFO2, LBUS2ARM_FIFO3,
345 	LBUS2ARM_FIFO4, LBUS2ARM_FIFO5, LBUS2ARM_FIFO6, LBUS2ARM_FIFO7,
346 	INTER0_IN, INTER1_IN, INTER2_IN, INTER3_IN, INTER4_IN, INTERM0_IN,
347 	INTERM1_IN, INTERM2_IN, INTERM3_IN, INTERM4_IN, INTERM5_IN, INTERM6_IN,
348 	DECIMM0_IN, DECIMM1_IN, DECIMM2_IN, DECIMM3_IN, DECIM0_IN, SR3_4_IN,
349 	PDAC2ACLNK, MODEM0TX2ACLNK, MODEM1TX2ACLNK, HNDSPK2ACLNK,
350 	DIGITAL_MIXER_IN0, DIGITAL_MIXER_IN1, DIGITAL_MIXER_IN2,
351 	DIGITAL_MIXER_IN3, DIGITAL_MIXER_IN4, DIGITAL_MIXER_IN5,
352 	DIGITAL_MIXER_IN6, DIGITAL_MIXER_IN7, DIGITAL_MIXER_IN8,
353 	DIGITAL_MIXER_IN9, DIGITAL_MIXER_IN10, DIGITAL_MIXER_IN11,
354 	GAINFUNC0_IN, GAINFUNC1_IN, GAINFUNC2_IN, GAINFUNC3_IN, GAINFUNC4_IN,
355 	SOFTMODEMRX, SPLITTER0_IN, SPLITTER1_IN, SPLITTER2_IN, SPLITTER3_IN,
356 	MERGER0_INL, MERGER0_INR, MERGER1_INL, MERGER1_INR, MERGER2_INL,
357 	MERGER2_INR, MERGER3_INL, MERGER3_INR, E2SINK_MAX
358 };
359 
360 enum LBUS_SINK {
361 	LS_SRC_INTERPOLATOR = 0, LS_SRC_INTERPOLATORM, LS_SRC_DECIMATOR,
362 	LS_SRC_DECIMATORM, LS_MIXER_IN, LS_MIXER_GAIN_FUNCTION,
363 	LS_SRC_SPLITTER, LS_SRC_MERGER, LS_NONE1, LS_NONE2,
364 };
365 
366 enum RT_CHANNEL_IDS {
367 	M0TX = 0, M1TX, TAMTX, HSSPKR, PDAC, DSNDTX0, DSNDTX1, DSNDTX2,
368 	DSNDTX3, DSNDTX4, DSNDTX5, DSNDTX6, DSNDTX7, WVSTRTX, COP3DTX, SPARE,
369 	M0RX, HSMIC, M1RX, CLEANRX, MICADC, PADC, COPRX1, COPRX2,
370 	CHANNEL_ID_COUNTER
371 };
372 
373 enum { SB_CMD = 0, MODEM_CMD, I2S_CMD0, I2S_CMD1, FM_CMD, MAX_CMD };
374 
375 struct lbuspath {
376 	unsigned char *noconv;
377 	unsigned char *stereo;
378 	unsigned char *mono;
379 };
380 
381 struct cmdport {
382 	u32 data1;		/* cmd,param */
383 	u32 data2;		/* param */
384 	u32 stat;		/* status */
385 	u32 pad[5];
386 };
387 
388 struct riptideport {
389 	u32 audio_control;	/* status registers */
390 	u32 audio_status;
391 	u32 pad[2];
392 	struct cmdport port[2];	/* command ports */
393 };
394 
395 struct cmdif {
396 	struct riptideport *hwport;
397 	spinlock_t lock;
398 	unsigned int cmdcnt;	/* cmd statistics */
399 	unsigned int cmdtime;
400 	unsigned int cmdtimemax;
401 	unsigned int cmdtimemin;
402 	unsigned int errcnt;
403 	int is_reset;
404 };
405 
406 struct riptide_firmware {
407 	u16 ASIC;
408 	u16 CODEC;
409 	u16 AUXDSP;
410 	u16 PROG;
411 };
412 
413 union cmdret {
414 	u8 retbytes[8];
415 	u16 retwords[4];
416 	u32 retlongs[2];
417 };
418 
419 union firmware_version {
420 	union cmdret ret;
421 	struct riptide_firmware firmware;
422 };
423 
424 #define get_pcmhwdev(substream) (struct pcmhw *)(substream->runtime->private_data)
425 
426 #define PLAYBACK_SUBSTREAMS 3
427 struct snd_riptide {
428 	struct snd_card *card;
429 	struct pci_dev *pci;
430 	const struct firmware *fw_entry;
431 
432 	struct cmdif *cif;
433 
434 	struct snd_pcm *pcm;
435 	struct snd_pcm *pcm_i2s;
436 	struct snd_rawmidi *rmidi;
437 	struct snd_opl3 *opl3;
438 	struct snd_ac97 *ac97;
439 	struct snd_ac97_bus *ac97_bus;
440 
441 	struct snd_pcm_substream *playback_substream[PLAYBACK_SUBSTREAMS];
442 	struct snd_pcm_substream *capture_substream;
443 
444 	int openstreams;
445 
446 	int irq;
447 	unsigned long port;
448 	unsigned short mpuaddr;
449 	unsigned short opladdr;
450 #ifdef SUPPORT_JOYSTICK
451 	unsigned short gameaddr;
452 #endif
453 	struct resource *res_port;
454 
455 	unsigned short device_id;
456 
457 	union firmware_version firmware;
458 
459 	spinlock_t lock;
460 	struct tasklet_struct riptide_tq;
461 	struct snd_info_entry *proc_entry;
462 
463 	unsigned long received_irqs;
464 	unsigned long handled_irqs;
465 #ifdef CONFIG_PM
466 	int in_suspend;
467 #endif
468 };
469 
470 struct sgd {			/* scatter gather desriptor */
471 	u32 dwNextLink;
472 	u32 dwSegPtrPhys;
473 	u32 dwSegLen;
474 	u32 dwStat_Ctl;
475 };
476 
477 struct pcmhw {			/* pcm descriptor */
478 	struct lbuspath paths;
479 	unsigned char *lbuspath;
480 	unsigned char source;
481 	unsigned char intdec[2];
482 	unsigned char mixer;
483 	unsigned char id;
484 	unsigned char state;
485 	unsigned int rate;
486 	unsigned int channels;
487 	snd_pcm_format_t format;
488 	struct snd_dma_buffer sgdlist;
489 	struct sgd *sgdbuf;
490 	unsigned int size;
491 	unsigned int pages;
492 	unsigned int oldpos;
493 	unsigned int pointer;
494 };
495 
496 #define CMDRET_ZERO (union cmdret){{(u32)0, (u32) 0}}
497 
498 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
499 		   union cmdret *ret);
500 static int getsourcesink(struct cmdif *cif, unsigned char source,
501 			 unsigned char sink, unsigned char *a,
502 			 unsigned char *b);
503 static int snd_riptide_initialize(struct snd_riptide *chip);
504 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip);
505 
506 /*
507  */
508 
509 static struct pci_device_id snd_riptide_ids[] = {
510 	{ PCI_DEVICE(0x127a, 0x4310) },
511 	{ PCI_DEVICE(0x127a, 0x4320) },
512 	{ PCI_DEVICE(0x127a, 0x4330) },
513 	{ PCI_DEVICE(0x127a, 0x4340) },
514 	{0,},
515 };
516 
517 #ifdef SUPPORT_JOYSTICK
518 static struct pci_device_id snd_riptide_joystick_ids[] __devinitdata = {
519 	{ PCI_DEVICE(0x127a, 0x4312) },
520 	{ PCI_DEVICE(0x127a, 0x4322) },
521 	{ PCI_DEVICE(0x127a, 0x4332) },
522 	{ PCI_DEVICE(0x127a, 0x4342) },
523 	{0,},
524 };
525 #endif
526 
527 MODULE_DEVICE_TABLE(pci, snd_riptide_ids);
528 
529 /*
530  */
531 
532 static unsigned char lbusin2out[E2SINK_MAX + 1][2] = {
533 	{NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
534 								     LS_NONE2},
535 	{NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
536 								     LS_NONE2},
537 	{INTER0_OUT, LS_SRC_INTERPOLATOR}, {INTER1_OUT, LS_SRC_INTERPOLATOR},
538 	{INTER2_OUT, LS_SRC_INTERPOLATOR}, {INTER3_OUT, LS_SRC_INTERPOLATOR},
539 	{INTER4_OUT, LS_SRC_INTERPOLATOR}, {INTERM0_OUT, LS_SRC_INTERPOLATORM},
540 	{INTERM1_OUT, LS_SRC_INTERPOLATORM}, {INTERM2_OUT,
541 					      LS_SRC_INTERPOLATORM},
542 	{INTERM3_OUT, LS_SRC_INTERPOLATORM}, {INTERM4_OUT,
543 					      LS_SRC_INTERPOLATORM},
544 	{INTERM5_OUT, LS_SRC_INTERPOLATORM}, {INTERM6_OUT,
545 					      LS_SRC_INTERPOLATORM},
546 	{DECIMM0_OUT, LS_SRC_DECIMATORM}, {DECIMM1_OUT, LS_SRC_DECIMATORM},
547 	{DECIMM2_OUT, LS_SRC_DECIMATORM}, {DECIMM3_OUT, LS_SRC_DECIMATORM},
548 	{DECIM0_OUT, LS_SRC_DECIMATOR}, {SR3_4_OUT, LS_NONE1}, {NO_OUT,
549 								LS_NONE2},
550 	{NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1},
551 	{DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
552 	{DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
553 	{DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
554 	{DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
555 	{DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
556 	{DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
557 	{GAINFUNC0_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC1_OUT,
558 						  LS_MIXER_GAIN_FUNCTION},
559 	{GAINFUNC2_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC3_OUT,
560 						  LS_MIXER_GAIN_FUNCTION},
561 	{GAINFUNC4_OUT, LS_MIXER_GAIN_FUNCTION}, {SOFTMODEMTX, LS_NONE1},
562 	{SPLITTER0_OUTL, LS_SRC_SPLITTER}, {SPLITTER1_OUTL, LS_SRC_SPLITTER},
563 	{SPLITTER2_OUTL, LS_SRC_SPLITTER}, {SPLITTER3_OUTL, LS_SRC_SPLITTER},
564 	{MERGER0_OUT, LS_SRC_MERGER}, {MERGER0_OUT, LS_SRC_MERGER},
565 	{MERGER1_OUT, LS_SRC_MERGER},
566 	{MERGER1_OUT, LS_SRC_MERGER}, {MERGER2_OUT, LS_SRC_MERGER},
567 	{MERGER2_OUT, LS_SRC_MERGER},
568 	{MERGER3_OUT, LS_SRC_MERGER}, {MERGER3_OUT, LS_SRC_MERGER}, {NO_OUT,
569 								     LS_NONE2},
570 };
571 
572 static unsigned char lbus_play_opl3[] = {
573 	DIGITAL_MIXER_IN0 + FM_MIXER, 0xff
574 };
575 static unsigned char lbus_play_modem[] = {
576 	DIGITAL_MIXER_IN0 + MODEM_MIXER, 0xff
577 };
578 static unsigned char lbus_play_i2s[] = {
579 	INTER0_IN + I2S_INTDEC, DIGITAL_MIXER_IN0 + I2S_MIXER, 0xff
580 };
581 static unsigned char lbus_play_out[] = {
582 	PDAC2ACLNK, 0xff
583 };
584 static unsigned char lbus_play_outhp[] = {
585 	HNDSPK2ACLNK, 0xff
586 };
587 static unsigned char lbus_play_noconv1[] = {
588 	DIGITAL_MIXER_IN0, 0xff
589 };
590 static unsigned char lbus_play_stereo1[] = {
591 	INTER0_IN, DIGITAL_MIXER_IN0, 0xff
592 };
593 static unsigned char lbus_play_mono1[] = {
594 	INTERM0_IN, DIGITAL_MIXER_IN0, 0xff
595 };
596 static unsigned char lbus_play_noconv2[] = {
597 	DIGITAL_MIXER_IN1, 0xff
598 };
599 static unsigned char lbus_play_stereo2[] = {
600 	INTER1_IN, DIGITAL_MIXER_IN1, 0xff
601 };
602 static unsigned char lbus_play_mono2[] = {
603 	INTERM1_IN, DIGITAL_MIXER_IN1, 0xff
604 };
605 static unsigned char lbus_play_noconv3[] = {
606 	DIGITAL_MIXER_IN2, 0xff
607 };
608 static unsigned char lbus_play_stereo3[] = {
609 	INTER2_IN, DIGITAL_MIXER_IN2, 0xff
610 };
611 static unsigned char lbus_play_mono3[] = {
612 	INTERM2_IN, DIGITAL_MIXER_IN2, 0xff
613 };
614 static unsigned char lbus_rec_noconv1[] = {
615 	LBUS2ARM_FIFO5, 0xff
616 };
617 static unsigned char lbus_rec_stereo1[] = {
618 	DECIM0_IN, LBUS2ARM_FIFO5, 0xff
619 };
620 static unsigned char lbus_rec_mono1[] = {
621 	DECIMM3_IN, LBUS2ARM_FIFO5, 0xff
622 };
623 
624 static unsigned char play_ids[] = { 4, 1, 2, };
625 static unsigned char play_sources[] = {
626 	ARM2LBUS_FIFO4, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2,
627 };
628 static struct lbuspath lbus_play_paths[] = {
629 	{
630 	 .noconv = lbus_play_noconv1,
631 	 .stereo = lbus_play_stereo1,
632 	 .mono = lbus_play_mono1,
633 	 },
634 	{
635 	 .noconv = lbus_play_noconv2,
636 	 .stereo = lbus_play_stereo2,
637 	 .mono = lbus_play_mono2,
638 	 },
639 	{
640 	 .noconv = lbus_play_noconv3,
641 	 .stereo = lbus_play_stereo3,
642 	 .mono = lbus_play_mono3,
643 	 },
644 };
645 static struct lbuspath lbus_rec_path = {
646 	.noconv = lbus_rec_noconv1,
647 	.stereo = lbus_rec_stereo1,
648 	.mono = lbus_rec_mono1,
649 };
650 
651 #define FIRMWARE_VERSIONS 1
652 static union firmware_version firmware_versions[] = {
653 	{
654 		.firmware = {
655 			.ASIC = 3,
656 			.CODEC = 2,
657 			.AUXDSP = 3,
658 			.PROG = 773,
659 		},
660 	},
661 };
662 
663 static u32 atoh(const unsigned char *in, unsigned int len)
664 {
665 	u32 sum = 0;
666 	unsigned int mult = 1;
667 	unsigned char c;
668 
669 	while (len) {
670 		c = in[len - 1];
671 		if ((c >= '0') && (c <= '9'))
672 			sum += mult * (c - '0');
673 		else if ((c >= 'A') && (c <= 'F'))
674 			sum += mult * (c - ('A' - 10));
675 		else if ((c >= 'a') && (c <= 'f'))
676 			sum += mult * (c - ('a' - 10));
677 		mult *= 16;
678 		--len;
679 	}
680 	return sum;
681 }
682 
683 static int senddata(struct cmdif *cif, const unsigned char *in, u32 offset)
684 {
685 	u32 addr;
686 	u32 data;
687 	u32 i;
688 	const unsigned char *p;
689 
690 	i = atoh(&in[1], 2);
691 	addr = offset + atoh(&in[3], 4);
692 	if (SEND_SMEM(cif, 0, addr) != 0)
693 		return -EACCES;
694 	p = in + 9;
695 	while (i) {
696 		data = atoh(p, 8);
697 		if (SEND_WMEM(cif, 2,
698 			      ((data & 0x0f0f0f0f) << 4) | ((data & 0xf0f0f0f0)
699 							    >> 4)))
700 			return -EACCES;
701 		i -= 4;
702 		p += 8;
703 	}
704 	return 0;
705 }
706 
707 static int loadfirmware(struct cmdif *cif, const unsigned char *img,
708 			unsigned int size)
709 {
710 	const unsigned char *in;
711 	u32 laddr, saddr, t, val;
712 	int err = 0;
713 
714 	laddr = saddr = 0;
715 	while (size > 0 && err == 0) {
716 		in = img;
717 		if (in[0] == ':') {
718 			t = atoh(&in[7], 2);
719 			switch (t) {
720 			case DATA_REC:
721 				err = senddata(cif, in, laddr + saddr);
722 				break;
723 			case EXT_SEG_ADDR_REC:
724 				saddr = atoh(&in[9], 4) << 4;
725 				break;
726 			case EXT_LIN_ADDR_REC:
727 				laddr = atoh(&in[9], 4) << 16;
728 				break;
729 			case EXT_GOTO_CMD_REC:
730 				val = atoh(&in[9], 8);
731 				if (SEND_GOTO(cif, val) != 0)
732 					err = -EACCES;
733 				break;
734 			case EXT_END_OF_FILE:
735 				size = 0;
736 				break;
737 			default:
738 				break;
739 			}
740 			while (size > 0) {
741 				size--;
742 				if (*img++ == '\n')
743 					break;
744 			}
745 		}
746 	}
747 	snd_printdd("load firmware return %d\n", err);
748 	return err;
749 }
750 
751 static void
752 alloclbuspath(struct cmdif *cif, unsigned char source,
753 	      unsigned char *path, unsigned char *mixer, unsigned char *s)
754 {
755 	while (*path != 0xff) {
756 		unsigned char sink, type;
757 
758 		sink = *path & (~SPLIT_PATH);
759 		if (sink != E2SINK_MAX) {
760 			snd_printdd("alloc path 0x%x->0x%x\n", source, sink);
761 			SEND_PSEL(cif, source, sink);
762 			source = lbusin2out[sink][0];
763 			type = lbusin2out[sink][1];
764 			if (type == LS_MIXER_IN) {
765 				if (mixer)
766 					*mixer = sink - DIGITAL_MIXER_IN0;
767 			}
768 			if (type == LS_SRC_DECIMATORM ||
769 			    type == LS_SRC_DECIMATOR ||
770 			    type == LS_SRC_INTERPOLATORM ||
771 			    type == LS_SRC_INTERPOLATOR) {
772 				if (s) {
773 					if (s[0] != 0xff)
774 						s[1] = sink;
775 					else
776 						s[0] = sink;
777 				}
778 			}
779 		}
780 		if (*path++ & SPLIT_PATH) {
781 			unsigned char *npath = path;
782 
783 			while (*npath != 0xff)
784 				npath++;
785 			alloclbuspath(cif, source + 1, ++npath, mixer, s);
786 		}
787 	}
788 }
789 
790 static void
791 freelbuspath(struct cmdif *cif, unsigned char source, unsigned char *path)
792 {
793 	while (*path != 0xff) {
794 		unsigned char sink;
795 
796 		sink = *path & (~SPLIT_PATH);
797 		if (sink != E2SINK_MAX) {
798 			snd_printdd("free path 0x%x->0x%x\n", source, sink);
799 			SEND_PCLR(cif, source, sink);
800 			source = lbusin2out[sink][0];
801 		}
802 		if (*path++ & SPLIT_PATH) {
803 			unsigned char *npath = path;
804 
805 			while (*npath != 0xff)
806 				npath++;
807 			freelbuspath(cif, source + 1, ++npath);
808 		}
809 	}
810 }
811 
812 static int writearm(struct cmdif *cif, u32 addr, u32 data, u32 mask)
813 {
814 	union cmdret rptr = CMDRET_ZERO;
815 	unsigned int i = MAX_WRITE_RETRY;
816 	int flag = 1;
817 
818 	SEND_RMEM(cif, 0x02, addr, &rptr);
819 	rptr.retlongs[0] &= (~mask);
820 
821 	while (--i) {
822 		SEND_SMEM(cif, 0x01, addr);
823 		SEND_WMEM(cif, 0x02, (rptr.retlongs[0] | data));
824 		SEND_RMEM(cif, 0x02, addr, &rptr);
825 		if ((rptr.retlongs[0] & data) == data) {
826 			flag = 0;
827 			break;
828 		} else
829 			rptr.retlongs[0] &= ~mask;
830 	}
831 	snd_printdd("send arm 0x%x 0x%x 0x%x return %d\n", addr, data, mask,
832 		    flag);
833 	return flag;
834 }
835 
836 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
837 		   union cmdret *ret)
838 {
839 	int i, j;
840 	int err;
841 	unsigned int time = 0;
842 	unsigned long irqflags;
843 	struct riptideport *hwport;
844 	struct cmdport *cmdport = NULL;
845 
846 	if (snd_BUG_ON(!cif))
847 		return -EINVAL;
848 
849 	hwport = cif->hwport;
850 	if (cif->errcnt > MAX_ERROR_COUNT) {
851 		if (cif->is_reset) {
852 			snd_printk(KERN_ERR
853 				   "Riptide: Too many failed cmds, reinitializing\n");
854 			if (riptide_reset(cif, NULL) == 0) {
855 				cif->errcnt = 0;
856 				return -EIO;
857 			}
858 		}
859 		snd_printk(KERN_ERR "Riptide: Initialization failed.\n");
860 		return -EINVAL;
861 	}
862 	if (ret) {
863 		ret->retlongs[0] = 0;
864 		ret->retlongs[1] = 0;
865 	}
866 	i = 0;
867 	spin_lock_irqsave(&cif->lock, irqflags);
868 	while (i++ < CMDIF_TIMEOUT && !IS_READY(cif->hwport))
869 		udelay(10);
870 	if (i > CMDIF_TIMEOUT) {
871 		err = -EBUSY;
872 		goto errout;
873 	}
874 
875 	err = 0;
876 	for (j = 0, time = 0; time < CMDIF_TIMEOUT; j++, time += 2) {
877 		cmdport = &(hwport->port[j % 2]);
878 		if (IS_DATF(cmdport)) {	/* free pending data */
879 			READ_PORT_ULONG(cmdport->data1);
880 			READ_PORT_ULONG(cmdport->data2);
881 		}
882 		if (IS_CMDE(cmdport)) {
883 			if (flags & PARM)	/* put data */
884 				WRITE_PORT_ULONG(cmdport->data2, parm);
885 			WRITE_PORT_ULONG(cmdport->data1, cmd);	/* write cmd */
886 			if ((flags & RESP) && ret) {
887 				while (!IS_DATF(cmdport) &&
888 				       time < CMDIF_TIMEOUT) {
889 					udelay(10);
890 					time++;
891 				}
892 				if (time < CMDIF_TIMEOUT) {	/* read response */
893 					ret->retlongs[0] =
894 					    READ_PORT_ULONG(cmdport->data1);
895 					ret->retlongs[1] =
896 					    READ_PORT_ULONG(cmdport->data2);
897 				} else {
898 					err = -ENOSYS;
899 					goto errout;
900 				}
901 			}
902 			break;
903 		}
904 		udelay(20);
905 	}
906 	if (time == CMDIF_TIMEOUT) {
907 		err = -ENODATA;
908 		goto errout;
909 	}
910 	spin_unlock_irqrestore(&cif->lock, irqflags);
911 
912 	cif->cmdcnt++;		/* update command statistics */
913 	cif->cmdtime += time;
914 	if (time > cif->cmdtimemax)
915 		cif->cmdtimemax = time;
916 	if (time < cif->cmdtimemin)
917 		cif->cmdtimemin = time;
918 	if ((cif->cmdcnt) % 1000 == 0)
919 		snd_printdd
920 		    ("send cmd %d time: %d mintime: %d maxtime %d err: %d\n",
921 		     cif->cmdcnt, cif->cmdtime, cif->cmdtimemin,
922 		     cif->cmdtimemax, cif->errcnt);
923 	return 0;
924 
925       errout:
926 	cif->errcnt++;
927 	spin_unlock_irqrestore(&cif->lock, irqflags);
928 	snd_printdd
929 	    ("send cmd %d hw: 0x%x flag: 0x%x cmd: 0x%x parm: 0x%x ret: 0x%x 0x%x CMDE: %d DATF: %d failed %d\n",
930 	     cif->cmdcnt, (int)((void *)&(cmdport->stat) - (void *)hwport),
931 	     flags, cmd, parm, ret ? ret->retlongs[0] : 0,
932 	     ret ? ret->retlongs[1] : 0, IS_CMDE(cmdport), IS_DATF(cmdport),
933 	     err);
934 	return err;
935 }
936 
937 static int
938 setmixer(struct cmdif *cif, short num, unsigned short rval, unsigned short lval)
939 {
940 	union cmdret rptr = CMDRET_ZERO;
941 	int i = 0;
942 
943 	snd_printdd("sent mixer %d: 0x%d 0x%d\n", num, rval, lval);
944 	do {
945 		SEND_SDGV(cif, num, num, rval, lval);
946 		SEND_RDGV(cif, num, num, &rptr);
947 		if (rptr.retwords[0] == lval && rptr.retwords[1] == rval)
948 			return 0;
949 	} while (i++ < MAX_WRITE_RETRY);
950 	snd_printdd("sent mixer failed\n");
951 	return -EIO;
952 }
953 
954 static int getpaths(struct cmdif *cif, unsigned char *o)
955 {
956 	unsigned char src[E2SINK_MAX];
957 	unsigned char sink[E2SINK_MAX];
958 	int i, j = 0;
959 
960 	for (i = 0; i < E2SINK_MAX; i++) {
961 		getsourcesink(cif, i, i, &src[i], &sink[i]);
962 		if (sink[i] < E2SINK_MAX) {
963 			o[j++] = sink[i];
964 			o[j++] = i;
965 		}
966 	}
967 	return j;
968 }
969 
970 static int
971 getsourcesink(struct cmdif *cif, unsigned char source, unsigned char sink,
972 	      unsigned char *a, unsigned char *b)
973 {
974 	union cmdret rptr = CMDRET_ZERO;
975 
976 	if (SEND_RSSV(cif, source, sink, &rptr) &&
977 	    SEND_RSSV(cif, source, sink, &rptr))
978 		return -EIO;
979 	*a = rptr.retbytes[0];
980 	*b = rptr.retbytes[1];
981 	snd_printdd("getsourcesink 0x%x 0x%x\n", *a, *b);
982 	return 0;
983 }
984 
985 static int
986 getsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int *rate)
987 {
988 	unsigned char *s;
989 	unsigned int p[2] = { 0, 0 };
990 	int i;
991 	union cmdret rptr = CMDRET_ZERO;
992 
993 	s = intdec;
994 	for (i = 0; i < 2; i++) {
995 		if (*s != 0xff) {
996 			if (SEND_RSRC(cif, *s, &rptr) &&
997 			    SEND_RSRC(cif, *s, &rptr))
998 				return -EIO;
999 			p[i] += rptr.retwords[1];
1000 			p[i] *= rptr.retwords[2];
1001 			p[i] += rptr.retwords[3];
1002 			p[i] /= 65536;
1003 		}
1004 		s++;
1005 	}
1006 	if (p[0]) {
1007 		if (p[1] != p[0])
1008 			snd_printdd("rates differ %d %d\n", p[0], p[1]);
1009 		*rate = (unsigned int)p[0];
1010 	} else
1011 		*rate = (unsigned int)p[1];
1012 	snd_printdd("getsampleformat %d %d %d\n", intdec[0], intdec[1], *rate);
1013 	return 0;
1014 }
1015 
1016 static int
1017 setsampleformat(struct cmdif *cif,
1018 		unsigned char mixer, unsigned char id,
1019 		unsigned char channels, unsigned char format)
1020 {
1021 	unsigned char w, ch, sig, order;
1022 
1023 	snd_printdd
1024 	    ("setsampleformat mixer: %d id: %d channels: %d format: %d\n",
1025 	     mixer, id, channels, format);
1026 	ch = channels == 1;
1027 	w = snd_pcm_format_width(format) == 8;
1028 	sig = snd_pcm_format_unsigned(format) != 0;
1029 	order = snd_pcm_format_big_endian(format) != 0;
1030 
1031 	if (SEND_SETF(cif, mixer, w, ch, order, sig, id) &&
1032 	    SEND_SETF(cif, mixer, w, ch, order, sig, id)) {
1033 		snd_printdd("setsampleformat failed\n");
1034 		return -EIO;
1035 	}
1036 	return 0;
1037 }
1038 
1039 static int
1040 setsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int rate)
1041 {
1042 	u32 D, M, N;
1043 	union cmdret rptr = CMDRET_ZERO;
1044 	int i;
1045 
1046 	snd_printdd("setsamplerate intdec: %d,%d rate: %d\n", intdec[0],
1047 		    intdec[1], rate);
1048 	D = 48000;
1049 	M = ((rate == 48000) ? 47999 : rate) * 65536;
1050 	N = M % D;
1051 	M /= D;
1052 	for (i = 0; i < 2; i++) {
1053 		if (*intdec != 0xff) {
1054 			do {
1055 				SEND_SSRC(cif, *intdec, D, M, N);
1056 				SEND_RSRC(cif, *intdec, &rptr);
1057 			} while (rptr.retwords[1] != D &&
1058 				 rptr.retwords[2] != M &&
1059 				 rptr.retwords[3] != N &&
1060 				 i++ < MAX_WRITE_RETRY);
1061 			if (i == MAX_WRITE_RETRY) {
1062 				snd_printdd("sent samplerate %d: %d failed\n",
1063 					    *intdec, rate);
1064 				return -EIO;
1065 			}
1066 		}
1067 		intdec++;
1068 	}
1069 	return 0;
1070 }
1071 
1072 static int
1073 getmixer(struct cmdif *cif, short num, unsigned short *rval,
1074 	 unsigned short *lval)
1075 {
1076 	union cmdret rptr = CMDRET_ZERO;
1077 
1078 	if (SEND_RDGV(cif, num, num, &rptr) && SEND_RDGV(cif, num, num, &rptr))
1079 		return -EIO;
1080 	*rval = rptr.retwords[0];
1081 	*lval = rptr.retwords[1];
1082 	snd_printdd("got mixer %d: 0x%d 0x%d\n", num, *rval, *lval);
1083 	return 0;
1084 }
1085 
1086 static void riptide_handleirq(unsigned long dev_id)
1087 {
1088 	struct snd_riptide *chip = (void *)dev_id;
1089 	struct cmdif *cif = chip->cif;
1090 	struct snd_pcm_substream *substream[PLAYBACK_SUBSTREAMS + 1];
1091 	struct snd_pcm_runtime *runtime;
1092 	struct pcmhw *data = NULL;
1093 	unsigned int pos, period_bytes;
1094 	struct sgd *c;
1095 	int i, j;
1096 	unsigned int flag;
1097 
1098 	if (!cif)
1099 		return;
1100 
1101 	for (i = 0; i < PLAYBACK_SUBSTREAMS; i++)
1102 		substream[i] = chip->playback_substream[i];
1103 	substream[i] = chip->capture_substream;
1104 	for (i = 0; i < PLAYBACK_SUBSTREAMS + 1; i++) {
1105 		if (substream[i] &&
1106 		    (runtime = substream[i]->runtime) &&
1107 		    (data = runtime->private_data) && data->state != ST_STOP) {
1108 			pos = 0;
1109 			for (j = 0; j < data->pages; j++) {
1110 				c = &data->sgdbuf[j];
1111 				flag = le32_to_cpu(c->dwStat_Ctl);
1112 				if (flag & EOB_STATUS)
1113 					pos += le32_to_cpu(c->dwSegLen);
1114 				if (flag & EOC_STATUS)
1115 					pos += le32_to_cpu(c->dwSegLen);
1116 				if ((flag & EOS_STATUS)
1117 				    && (data->state == ST_PLAY)) {
1118 					data->state = ST_STOP;
1119 					snd_printk(KERN_ERR
1120 						   "Riptide: DMA stopped unexpectedly\n");
1121 				}
1122 				c->dwStat_Ctl =
1123 				    cpu_to_le32(flag &
1124 						~(EOS_STATUS | EOB_STATUS |
1125 						  EOC_STATUS));
1126 			}
1127 			data->pointer += pos;
1128 			pos += data->oldpos;
1129 			if (data->state != ST_STOP) {
1130 				period_bytes =
1131 				    frames_to_bytes(runtime,
1132 						    runtime->period_size);
1133 				snd_printdd
1134 				    ("interrupt 0x%x after 0x%lx of 0x%lx frames in period\n",
1135 				     READ_AUDIO_STATUS(cif->hwport),
1136 				     bytes_to_frames(runtime, pos),
1137 				     runtime->period_size);
1138 				j = 0;
1139 				if (pos >= period_bytes) {
1140 					j++;
1141 					while (pos >= period_bytes)
1142 						pos -= period_bytes;
1143 				}
1144 				data->oldpos = pos;
1145 				if (j > 0)
1146 					snd_pcm_period_elapsed(substream[i]);
1147 			}
1148 		}
1149 	}
1150 }
1151 
1152 #ifdef CONFIG_PM
1153 static int riptide_suspend(struct pci_dev *pci, pm_message_t state)
1154 {
1155 	struct snd_card *card = pci_get_drvdata(pci);
1156 	struct snd_riptide *chip = card->private_data;
1157 
1158 	chip->in_suspend = 1;
1159 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1160 	snd_pcm_suspend_all(chip->pcm);
1161 	snd_ac97_suspend(chip->ac97);
1162 	pci_disable_device(pci);
1163 	pci_save_state(pci);
1164 	pci_set_power_state(pci, pci_choose_state(pci, state));
1165 	return 0;
1166 }
1167 
1168 static int riptide_resume(struct pci_dev *pci)
1169 {
1170 	struct snd_card *card = pci_get_drvdata(pci);
1171 	struct snd_riptide *chip = card->private_data;
1172 
1173 	pci_set_power_state(pci, PCI_D0);
1174 	pci_restore_state(pci);
1175 	if (pci_enable_device(pci) < 0) {
1176 		printk(KERN_ERR "riptide: pci_enable_device failed, "
1177 		       "disabling device\n");
1178 		snd_card_disconnect(card);
1179 		return -EIO;
1180 	}
1181 	pci_set_master(pci);
1182 	snd_riptide_initialize(chip);
1183 	snd_ac97_resume(chip->ac97);
1184 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1185 	chip->in_suspend = 0;
1186 	return 0;
1187 }
1188 #endif
1189 
1190 static int try_to_load_firmware(struct cmdif *cif, struct snd_riptide *chip)
1191 {
1192 	union firmware_version firmware = { .ret = CMDRET_ZERO };
1193 	int i, timeout, err;
1194 
1195 	for (i = 0; i < 2; i++) {
1196 		WRITE_PORT_ULONG(cif->hwport->port[i].data1, 0);
1197 		WRITE_PORT_ULONG(cif->hwport->port[i].data2, 0);
1198 	}
1199 	SET_GRESET(cif->hwport);
1200 	udelay(100);
1201 	UNSET_GRESET(cif->hwport);
1202 	udelay(100);
1203 
1204 	for (timeout = 100000; --timeout; udelay(10)) {
1205 		if (IS_READY(cif->hwport) && !IS_GERR(cif->hwport))
1206 			break;
1207 	}
1208 	if (!timeout) {
1209 		snd_printk(KERN_ERR
1210 			   "Riptide: device not ready, audio status: 0x%x "
1211 			   "ready: %d gerr: %d\n",
1212 			   READ_AUDIO_STATUS(cif->hwport),
1213 			   IS_READY(cif->hwport), IS_GERR(cif->hwport));
1214 		return -EIO;
1215 	} else {
1216 		snd_printdd
1217 			("Riptide: audio status: 0x%x ready: %d gerr: %d\n",
1218 			 READ_AUDIO_STATUS(cif->hwport),
1219 			 IS_READY(cif->hwport), IS_GERR(cif->hwport));
1220 	}
1221 
1222 	SEND_GETV(cif, &firmware.ret);
1223 	snd_printdd("Firmware version: ASIC: %d CODEC %d AUXDSP %d PROG %d\n",
1224 		    firmware.firmware.ASIC, firmware.firmware.CODEC,
1225 		    firmware.firmware.AUXDSP, firmware.firmware.PROG);
1226 
1227 	for (i = 0; i < FIRMWARE_VERSIONS; i++) {
1228 		if (!memcmp(&firmware_versions[i], &firmware, sizeof(firmware)))
1229 			break;
1230 	}
1231 	if (i >= FIRMWARE_VERSIONS)
1232 		return 0; /* no match */
1233 
1234 	if (!chip)
1235 		return 1; /* OK */
1236 
1237 	snd_printdd("Writing Firmware\n");
1238 	if (!chip->fw_entry) {
1239 		err = request_firmware(&chip->fw_entry, "riptide.hex",
1240 				       &chip->pci->dev);
1241 		if (err) {
1242 			snd_printk(KERN_ERR
1243 				   "Riptide: Firmware not available %d\n", err);
1244 			return -EIO;
1245 		}
1246 	}
1247 	err = loadfirmware(cif, chip->fw_entry->data, chip->fw_entry->size);
1248 	if (err) {
1249 		snd_printk(KERN_ERR
1250 			   "Riptide: Could not load firmware %d\n", err);
1251 		return err;
1252 	}
1253 
1254 	chip->firmware = firmware;
1255 
1256 	return 1; /* OK */
1257 }
1258 
1259 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip)
1260 {
1261 	union cmdret rptr = CMDRET_ZERO;
1262 	int err, tries;
1263 
1264 	if (!cif)
1265 		return -EINVAL;
1266 
1267 	cif->cmdcnt = 0;
1268 	cif->cmdtime = 0;
1269 	cif->cmdtimemax = 0;
1270 	cif->cmdtimemin = 0xffffffff;
1271 	cif->errcnt = 0;
1272 	cif->is_reset = 0;
1273 
1274 	tries = RESET_TRIES;
1275 	do {
1276 		err = try_to_load_firmware(cif, chip);
1277 		if (err < 0)
1278 			return err;
1279 	} while (!err && --tries);
1280 
1281 	SEND_SACR(cif, 0, AC97_RESET);
1282 	SEND_RACR(cif, AC97_RESET, &rptr);
1283 	snd_printdd("AC97: 0x%x 0x%x\n", rptr.retlongs[0], rptr.retlongs[1]);
1284 
1285 	SEND_PLST(cif, 0);
1286 	SEND_SLST(cif, 0);
1287 	SEND_DLST(cif, 0);
1288 	SEND_ALST(cif, 0);
1289 	SEND_KDMA(cif);
1290 
1291 	writearm(cif, 0x301F8, 1, 1);
1292 	writearm(cif, 0x301F4, 1, 1);
1293 
1294 	SEND_LSEL(cif, MODEM_CMD, 0, 0, MODEM_INTDEC, MODEM_MERGER,
1295 		  MODEM_SPLITTER, MODEM_MIXER);
1296 	setmixer(cif, MODEM_MIXER, 0x7fff, 0x7fff);
1297 	alloclbuspath(cif, ARM2LBUS_FIFO13, lbus_play_modem, NULL, NULL);
1298 
1299 	SEND_LSEL(cif, FM_CMD, 0, 0, FM_INTDEC, FM_MERGER, FM_SPLITTER,
1300 		  FM_MIXER);
1301 	setmixer(cif, FM_MIXER, 0x7fff, 0x7fff);
1302 	writearm(cif, 0x30648 + FM_MIXER * 4, 0x01, 0x00000005);
1303 	writearm(cif, 0x301A8, 0x02, 0x00000002);
1304 	writearm(cif, 0x30264, 0x08, 0xffffffff);
1305 	alloclbuspath(cif, OPL3_SAMPLE, lbus_play_opl3, NULL, NULL);
1306 
1307 	SEND_SSRC(cif, I2S_INTDEC, 48000,
1308 		  ((u32) I2S_RATE * 65536) / 48000,
1309 		  ((u32) I2S_RATE * 65536) % 48000);
1310 	SEND_LSEL(cif, I2S_CMD0, 0, 0, I2S_INTDEC, I2S_MERGER, I2S_SPLITTER,
1311 		  I2S_MIXER);
1312 	SEND_SI2S(cif, 1);
1313 	alloclbuspath(cif, ARM2LBUS_FIFO0, lbus_play_i2s, NULL, NULL);
1314 	alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_out, NULL, NULL);
1315 	alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_outhp, NULL, NULL);
1316 
1317 	SET_AIACK(cif->hwport);
1318 	SET_AIE(cif->hwport);
1319 	SET_AIACK(cif->hwport);
1320 	cif->is_reset = 1;
1321 
1322 	return 0;
1323 }
1324 
1325 static struct snd_pcm_hardware snd_riptide_playback = {
1326 	.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1327 		 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1328 		 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1329 	.formats =
1330 	    SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1331 	    | SNDRV_PCM_FMTBIT_U16_LE,
1332 	.rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1333 	.rate_min = 5500,
1334 	.rate_max = 48000,
1335 	.channels_min = 1,
1336 	.channels_max = 2,
1337 	.buffer_bytes_max = (64 * 1024),
1338 	.period_bytes_min = PAGE_SIZE >> 1,
1339 	.period_bytes_max = PAGE_SIZE << 8,
1340 	.periods_min = 2,
1341 	.periods_max = 64,
1342 	.fifo_size = 0,
1343 };
1344 static struct snd_pcm_hardware snd_riptide_capture = {
1345 	.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1346 		 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1347 		 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1348 	.formats =
1349 	    SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1350 	    | SNDRV_PCM_FMTBIT_U16_LE,
1351 	.rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1352 	.rate_min = 5500,
1353 	.rate_max = 48000,
1354 	.channels_min = 1,
1355 	.channels_max = 2,
1356 	.buffer_bytes_max = (64 * 1024),
1357 	.period_bytes_min = PAGE_SIZE >> 1,
1358 	.period_bytes_max = PAGE_SIZE << 3,
1359 	.periods_min = 2,
1360 	.periods_max = 64,
1361 	.fifo_size = 0,
1362 };
1363 
1364 static snd_pcm_uframes_t snd_riptide_pointer(struct snd_pcm_substream
1365 					     *substream)
1366 {
1367 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1368 	struct snd_pcm_runtime *runtime = substream->runtime;
1369 	struct pcmhw *data = get_pcmhwdev(substream);
1370 	struct cmdif *cif = chip->cif;
1371 	union cmdret rptr = CMDRET_ZERO;
1372 	snd_pcm_uframes_t ret;
1373 
1374 	SEND_GPOS(cif, 0, data->id, &rptr);
1375 	if (data->size && runtime->period_size) {
1376 		snd_printdd
1377 		    ("pointer stream %d position 0x%x(0x%x in buffer) bytes 0x%lx(0x%lx in period) frames\n",
1378 		     data->id, rptr.retlongs[1], rptr.retlongs[1] % data->size,
1379 		     bytes_to_frames(runtime, rptr.retlongs[1]),
1380 		     bytes_to_frames(runtime,
1381 				     rptr.retlongs[1]) % runtime->period_size);
1382 		if (rptr.retlongs[1] > data->pointer)
1383 			ret =
1384 			    bytes_to_frames(runtime,
1385 					    rptr.retlongs[1] % data->size);
1386 		else
1387 			ret =
1388 			    bytes_to_frames(runtime,
1389 					    data->pointer % data->size);
1390 	} else {
1391 		snd_printdd("stream not started or strange parms (%d %ld)\n",
1392 			    data->size, runtime->period_size);
1393 		ret = bytes_to_frames(runtime, 0);
1394 	}
1395 	return ret;
1396 }
1397 
1398 static int snd_riptide_trigger(struct snd_pcm_substream *substream, int cmd)
1399 {
1400 	int i, j;
1401 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1402 	struct pcmhw *data = get_pcmhwdev(substream);
1403 	struct cmdif *cif = chip->cif;
1404 	union cmdret rptr = CMDRET_ZERO;
1405 
1406 	spin_lock(&chip->lock);
1407 	switch (cmd) {
1408 	case SNDRV_PCM_TRIGGER_START:
1409 	case SNDRV_PCM_TRIGGER_RESUME:
1410 		if (!(data->state & ST_PLAY)) {
1411 			SEND_SSTR(cif, data->id, data->sgdlist.addr);
1412 			SET_AIE(cif->hwport);
1413 			data->state = ST_PLAY;
1414 			if (data->mixer != 0xff)
1415 				setmixer(cif, data->mixer, 0x7fff, 0x7fff);
1416 			chip->openstreams++;
1417 			data->oldpos = 0;
1418 			data->pointer = 0;
1419 		}
1420 		break;
1421 	case SNDRV_PCM_TRIGGER_STOP:
1422 	case SNDRV_PCM_TRIGGER_SUSPEND:
1423 		if (data->mixer != 0xff)
1424 			setmixer(cif, data->mixer, 0, 0);
1425 		setmixer(cif, data->mixer, 0, 0);
1426 		SEND_KSTR(cif, data->id);
1427 		data->state = ST_STOP;
1428 		chip->openstreams--;
1429 		j = 0;
1430 		do {
1431 			i = rptr.retlongs[1];
1432 			SEND_GPOS(cif, 0, data->id, &rptr);
1433 			udelay(1);
1434 		} while (i != rptr.retlongs[1] && j++ < MAX_WRITE_RETRY);
1435 		if (j > MAX_WRITE_RETRY)
1436 			snd_printk(KERN_ERR "Riptide: Could not stop stream!");
1437 		break;
1438 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1439 		if (!(data->state & ST_PAUSE)) {
1440 			SEND_PSTR(cif, data->id);
1441 			data->state |= ST_PAUSE;
1442 			chip->openstreams--;
1443 		}
1444 		break;
1445 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1446 		if (data->state & ST_PAUSE) {
1447 			SEND_SSTR(cif, data->id, data->sgdlist.addr);
1448 			data->state &= ~ST_PAUSE;
1449 			chip->openstreams++;
1450 		}
1451 		break;
1452 	default:
1453 		spin_unlock(&chip->lock);
1454 		return -EINVAL;
1455 	}
1456 	spin_unlock(&chip->lock);
1457 	return 0;
1458 }
1459 
1460 static int snd_riptide_prepare(struct snd_pcm_substream *substream)
1461 {
1462 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1463 	struct snd_pcm_runtime *runtime = substream->runtime;
1464 	struct pcmhw *data = get_pcmhwdev(substream);
1465 	struct cmdif *cif = chip->cif;
1466 	unsigned char *lbuspath = NULL;
1467 	unsigned int rate, channels;
1468 	int err = 0;
1469 	snd_pcm_format_t format;
1470 
1471 	if (snd_BUG_ON(!cif || !data))
1472 		return -EINVAL;
1473 
1474 	snd_printdd("prepare id %d ch: %d f:0x%x r:%d\n", data->id,
1475 		    runtime->channels, runtime->format, runtime->rate);
1476 
1477 	spin_lock_irq(&chip->lock);
1478 	channels = runtime->channels;
1479 	format = runtime->format;
1480 	rate = runtime->rate;
1481 	switch (channels) {
1482 	case 1:
1483 		if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1484 			lbuspath = data->paths.noconv;
1485 		else
1486 			lbuspath = data->paths.mono;
1487 		break;
1488 	case 2:
1489 		if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1490 			lbuspath = data->paths.noconv;
1491 		else
1492 			lbuspath = data->paths.stereo;
1493 		break;
1494 	}
1495 	snd_printdd("use sgdlist at 0x%p\n",
1496 		    data->sgdlist.area);
1497 	if (data->sgdlist.area) {
1498 		unsigned int i, j, size, pages, f, pt, period;
1499 		struct sgd *c, *p = NULL;
1500 
1501 		size = frames_to_bytes(runtime, runtime->buffer_size);
1502 		period = frames_to_bytes(runtime, runtime->period_size);
1503 		f = PAGE_SIZE;
1504 		while ((size + (f >> 1) - 1) <= (f << 7) && (f << 1) > period)
1505 			f = f >> 1;
1506 		pages = (size + f - 1) / f;
1507 		data->size = size;
1508 		data->pages = pages;
1509 		snd_printdd
1510 		    ("create sgd size: 0x%x pages %d of size 0x%x for period 0x%x\n",
1511 		     size, pages, f, period);
1512 		pt = 0;
1513 		j = 0;
1514 		for (i = 0; i < pages; i++) {
1515 			unsigned int ofs, addr;
1516 			c = &data->sgdbuf[i];
1517 			if (p)
1518 				p->dwNextLink = cpu_to_le32(data->sgdlist.addr +
1519 							    (i *
1520 							     sizeof(struct
1521 								    sgd)));
1522 			c->dwNextLink = cpu_to_le32(data->sgdlist.addr);
1523 			ofs = j << PAGE_SHIFT;
1524 			addr = snd_pcm_sgbuf_get_addr(substream, ofs) + pt;
1525 			c->dwSegPtrPhys = cpu_to_le32(addr);
1526 			pt = (pt + f) % PAGE_SIZE;
1527 			if (pt == 0)
1528 				j++;
1529 			c->dwSegLen = cpu_to_le32(f);
1530 			c->dwStat_Ctl =
1531 			    cpu_to_le32(IEOB_ENABLE | IEOS_ENABLE |
1532 					IEOC_ENABLE);
1533 			p = c;
1534 			size -= f;
1535 		}
1536 		data->sgdbuf[i].dwSegLen = cpu_to_le32(size);
1537 	}
1538 	if (lbuspath && lbuspath != data->lbuspath) {
1539 		if (data->lbuspath)
1540 			freelbuspath(cif, data->source, data->lbuspath);
1541 		alloclbuspath(cif, data->source, lbuspath,
1542 			      &data->mixer, data->intdec);
1543 		data->lbuspath = lbuspath;
1544 		data->rate = 0;
1545 	}
1546 	if (data->rate != rate || data->format != format ||
1547 	    data->channels != channels) {
1548 		data->rate = rate;
1549 		data->format = format;
1550 		data->channels = channels;
1551 		if (setsampleformat
1552 		    (cif, data->mixer, data->id, channels, format)
1553 		    || setsamplerate(cif, data->intdec, rate))
1554 			err = -EIO;
1555 	}
1556 	spin_unlock_irq(&chip->lock);
1557 	return err;
1558 }
1559 
1560 static int
1561 snd_riptide_hw_params(struct snd_pcm_substream *substream,
1562 		      struct snd_pcm_hw_params *hw_params)
1563 {
1564 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1565 	struct pcmhw *data = get_pcmhwdev(substream);
1566 	struct snd_dma_buffer *sgdlist = &data->sgdlist;
1567 	int err;
1568 
1569 	snd_printdd("hw params id %d (sgdlist: 0x%p 0x%lx %d)\n", data->id,
1570 		    sgdlist->area, (unsigned long)sgdlist->addr,
1571 		    (int)sgdlist->bytes);
1572 	if (sgdlist->area)
1573 		snd_dma_free_pages(sgdlist);
1574 	if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
1575 				       snd_dma_pci_data(chip->pci),
1576 				       sizeof(struct sgd) * (DESC_MAX_MASK + 1),
1577 				       sgdlist)) < 0) {
1578 		snd_printk(KERN_ERR "Riptide: failed to alloc %d dma bytes\n",
1579 			   (int)sizeof(struct sgd) * (DESC_MAX_MASK + 1));
1580 		return err;
1581 	}
1582 	data->sgdbuf = (struct sgd *)sgdlist->area;
1583 	return snd_pcm_lib_malloc_pages(substream,
1584 					params_buffer_bytes(hw_params));
1585 }
1586 
1587 static int snd_riptide_hw_free(struct snd_pcm_substream *substream)
1588 {
1589 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1590 	struct pcmhw *data = get_pcmhwdev(substream);
1591 	struct cmdif *cif = chip->cif;
1592 
1593 	if (cif && data) {
1594 		if (data->lbuspath)
1595 			freelbuspath(cif, data->source, data->lbuspath);
1596 		data->lbuspath = NULL;
1597 		data->source = 0xff;
1598 		data->intdec[0] = 0xff;
1599 		data->intdec[1] = 0xff;
1600 
1601 		if (data->sgdlist.area) {
1602 			snd_dma_free_pages(&data->sgdlist);
1603 			data->sgdlist.area = NULL;
1604 		}
1605 	}
1606 	return snd_pcm_lib_free_pages(substream);
1607 }
1608 
1609 static int snd_riptide_playback_open(struct snd_pcm_substream *substream)
1610 {
1611 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1612 	struct snd_pcm_runtime *runtime = substream->runtime;
1613 	struct pcmhw *data;
1614 	int sub_num = substream->number;
1615 
1616 	chip->playback_substream[sub_num] = substream;
1617 	runtime->hw = snd_riptide_playback;
1618 	data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1619 	data->paths = lbus_play_paths[sub_num];
1620 	data->id = play_ids[sub_num];
1621 	data->source = play_sources[sub_num];
1622 	data->intdec[0] = 0xff;
1623 	data->intdec[1] = 0xff;
1624 	data->state = ST_STOP;
1625 	runtime->private_data = data;
1626 	return snd_pcm_hw_constraint_integer(runtime,
1627 					     SNDRV_PCM_HW_PARAM_PERIODS);
1628 }
1629 
1630 static int snd_riptide_capture_open(struct snd_pcm_substream *substream)
1631 {
1632 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1633 	struct snd_pcm_runtime *runtime = substream->runtime;
1634 	struct pcmhw *data;
1635 
1636 	chip->capture_substream = substream;
1637 	runtime->hw = snd_riptide_capture;
1638 	data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1639 	data->paths = lbus_rec_path;
1640 	data->id = PADC;
1641 	data->source = ACLNK2PADC;
1642 	data->intdec[0] = 0xff;
1643 	data->intdec[1] = 0xff;
1644 	data->state = ST_STOP;
1645 	runtime->private_data = data;
1646 	return snd_pcm_hw_constraint_integer(runtime,
1647 					     SNDRV_PCM_HW_PARAM_PERIODS);
1648 }
1649 
1650 static int snd_riptide_playback_close(struct snd_pcm_substream *substream)
1651 {
1652 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1653 	struct pcmhw *data = get_pcmhwdev(substream);
1654 	int sub_num = substream->number;
1655 
1656 	substream->runtime->private_data = NULL;
1657 	chip->playback_substream[sub_num] = NULL;
1658 	kfree(data);
1659 	return 0;
1660 }
1661 
1662 static int snd_riptide_capture_close(struct snd_pcm_substream *substream)
1663 {
1664 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1665 	struct pcmhw *data = get_pcmhwdev(substream);
1666 
1667 	substream->runtime->private_data = NULL;
1668 	chip->capture_substream = NULL;
1669 	kfree(data);
1670 	return 0;
1671 }
1672 
1673 static struct snd_pcm_ops snd_riptide_playback_ops = {
1674 	.open = snd_riptide_playback_open,
1675 	.close = snd_riptide_playback_close,
1676 	.ioctl = snd_pcm_lib_ioctl,
1677 	.hw_params = snd_riptide_hw_params,
1678 	.hw_free = snd_riptide_hw_free,
1679 	.prepare = snd_riptide_prepare,
1680 	.page = snd_pcm_sgbuf_ops_page,
1681 	.trigger = snd_riptide_trigger,
1682 	.pointer = snd_riptide_pointer,
1683 };
1684 static struct snd_pcm_ops snd_riptide_capture_ops = {
1685 	.open = snd_riptide_capture_open,
1686 	.close = snd_riptide_capture_close,
1687 	.ioctl = snd_pcm_lib_ioctl,
1688 	.hw_params = snd_riptide_hw_params,
1689 	.hw_free = snd_riptide_hw_free,
1690 	.prepare = snd_riptide_prepare,
1691 	.page = snd_pcm_sgbuf_ops_page,
1692 	.trigger = snd_riptide_trigger,
1693 	.pointer = snd_riptide_pointer,
1694 };
1695 
1696 static int __devinit
1697 snd_riptide_pcm(struct snd_riptide *chip, int device, struct snd_pcm **rpcm)
1698 {
1699 	struct snd_pcm *pcm;
1700 	int err;
1701 
1702 	if (rpcm)
1703 		*rpcm = NULL;
1704 	if ((err =
1705 	     snd_pcm_new(chip->card, "RIPTIDE", device, PLAYBACK_SUBSTREAMS, 1,
1706 			 &pcm)) < 0)
1707 		return err;
1708 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1709 			&snd_riptide_playback_ops);
1710 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1711 			&snd_riptide_capture_ops);
1712 	pcm->private_data = chip;
1713 	pcm->info_flags = 0;
1714 	strcpy(pcm->name, "RIPTIDE");
1715 	chip->pcm = pcm;
1716 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1717 					      snd_dma_pci_data(chip->pci),
1718 					      64 * 1024, 128 * 1024);
1719 	if (rpcm)
1720 		*rpcm = pcm;
1721 	return 0;
1722 }
1723 
1724 static irqreturn_t
1725 snd_riptide_interrupt(int irq, void *dev_id)
1726 {
1727 	struct snd_riptide *chip = dev_id;
1728 	struct cmdif *cif = chip->cif;
1729 
1730 	if (cif) {
1731 		chip->received_irqs++;
1732 		if (IS_EOBIRQ(cif->hwport) || IS_EOSIRQ(cif->hwport) ||
1733 		    IS_EOCIRQ(cif->hwport)) {
1734 			chip->handled_irqs++;
1735 			tasklet_schedule(&chip->riptide_tq);
1736 		}
1737 		if (chip->rmidi && IS_MPUIRQ(cif->hwport)) {
1738 			chip->handled_irqs++;
1739 			snd_mpu401_uart_interrupt(irq,
1740 						  chip->rmidi->private_data);
1741 		}
1742 		SET_AIACK(cif->hwport);
1743 	}
1744 	return IRQ_HANDLED;
1745 }
1746 
1747 static void
1748 snd_riptide_codec_write(struct snd_ac97 *ac97, unsigned short reg,
1749 			unsigned short val)
1750 {
1751 	struct snd_riptide *chip = ac97->private_data;
1752 	struct cmdif *cif = chip->cif;
1753 	union cmdret rptr = CMDRET_ZERO;
1754 	int i = 0;
1755 
1756 	if (snd_BUG_ON(!cif))
1757 		return;
1758 
1759 	snd_printdd("Write AC97 reg 0x%x 0x%x\n", reg, val);
1760 	do {
1761 		SEND_SACR(cif, val, reg);
1762 		SEND_RACR(cif, reg, &rptr);
1763 	} while (rptr.retwords[1] != val && i++ < MAX_WRITE_RETRY);
1764 	if (i > MAX_WRITE_RETRY)
1765 		snd_printdd("Write AC97 reg failed\n");
1766 }
1767 
1768 static unsigned short snd_riptide_codec_read(struct snd_ac97 *ac97,
1769 					     unsigned short reg)
1770 {
1771 	struct snd_riptide *chip = ac97->private_data;
1772 	struct cmdif *cif = chip->cif;
1773 	union cmdret rptr = CMDRET_ZERO;
1774 
1775 	if (snd_BUG_ON(!cif))
1776 		return 0;
1777 
1778 	if (SEND_RACR(cif, reg, &rptr) != 0)
1779 		SEND_RACR(cif, reg, &rptr);
1780 	snd_printdd("Read AC97 reg 0x%x got 0x%x\n", reg, rptr.retwords[1]);
1781 	return rptr.retwords[1];
1782 }
1783 
1784 static int snd_riptide_initialize(struct snd_riptide *chip)
1785 {
1786 	struct cmdif *cif;
1787 	unsigned int device_id;
1788 	int err;
1789 
1790 	if (snd_BUG_ON(!chip))
1791 		return -EINVAL;
1792 
1793 	cif = chip->cif;
1794 	if (!cif) {
1795 		if ((cif = kzalloc(sizeof(struct cmdif), GFP_KERNEL)) == NULL)
1796 			return -ENOMEM;
1797 		cif->hwport = (struct riptideport *)chip->port;
1798 		spin_lock_init(&cif->lock);
1799 		chip->cif = cif;
1800 	}
1801 	cif->is_reset = 0;
1802 	if ((err = riptide_reset(cif, chip)) != 0)
1803 		return err;
1804 	device_id = chip->device_id;
1805 	switch (device_id) {
1806 	case 0x4310:
1807 	case 0x4320:
1808 	case 0x4330:
1809 		snd_printdd("Modem enable?\n");
1810 		SEND_SETDPLL(cif);
1811 		break;
1812 	}
1813 	snd_printdd("Enabling MPU IRQs\n");
1814 	if (chip->rmidi)
1815 		SET_EMPUIRQ(cif->hwport);
1816 	return err;
1817 }
1818 
1819 static int snd_riptide_free(struct snd_riptide *chip)
1820 {
1821 	struct cmdif *cif;
1822 
1823 	if (!chip)
1824 		return 0;
1825 
1826 	if ((cif = chip->cif)) {
1827 		SET_GRESET(cif->hwport);
1828 		udelay(100);
1829 		UNSET_GRESET(cif->hwport);
1830 		kfree(chip->cif);
1831 	}
1832 	if (chip->irq >= 0)
1833 		free_irq(chip->irq, chip);
1834 	if (chip->fw_entry)
1835 		release_firmware(chip->fw_entry);
1836 	release_and_free_resource(chip->res_port);
1837 	kfree(chip);
1838 	return 0;
1839 }
1840 
1841 static int snd_riptide_dev_free(struct snd_device *device)
1842 {
1843 	struct snd_riptide *chip = device->device_data;
1844 
1845 	return snd_riptide_free(chip);
1846 }
1847 
1848 static int __devinit
1849 snd_riptide_create(struct snd_card *card, struct pci_dev *pci,
1850 		   struct snd_riptide **rchip)
1851 {
1852 	struct snd_riptide *chip;
1853 	struct riptideport *hwport;
1854 	int err;
1855 	static struct snd_device_ops ops = {
1856 		.dev_free = snd_riptide_dev_free,
1857 	};
1858 
1859 	*rchip = NULL;
1860 	if ((err = pci_enable_device(pci)) < 0)
1861 		return err;
1862 	if (!(chip = kzalloc(sizeof(struct snd_riptide), GFP_KERNEL)))
1863 		return -ENOMEM;
1864 
1865 	spin_lock_init(&chip->lock);
1866 	chip->card = card;
1867 	chip->pci = pci;
1868 	chip->irq = -1;
1869 	chip->openstreams = 0;
1870 	chip->port = pci_resource_start(pci, 0);
1871 	chip->received_irqs = 0;
1872 	chip->handled_irqs = 0;
1873 	chip->cif = NULL;
1874 	tasklet_init(&chip->riptide_tq, riptide_handleirq, (unsigned long)chip);
1875 
1876 	if ((chip->res_port =
1877 	     request_region(chip->port, 64, "RIPTIDE")) == NULL) {
1878 		snd_printk(KERN_ERR
1879 			   "Riptide: unable to grab region 0x%lx-0x%lx\n",
1880 			   chip->port, chip->port + 64 - 1);
1881 		snd_riptide_free(chip);
1882 		return -EBUSY;
1883 	}
1884 	hwport = (struct riptideport *)chip->port;
1885 	UNSET_AIE(hwport);
1886 
1887 	if (request_irq(pci->irq, snd_riptide_interrupt, IRQF_SHARED,
1888 			"RIPTIDE", chip)) {
1889 		snd_printk(KERN_ERR "Riptide: unable to grab IRQ %d\n",
1890 			   pci->irq);
1891 		snd_riptide_free(chip);
1892 		return -EBUSY;
1893 	}
1894 	chip->irq = pci->irq;
1895 	chip->device_id = pci->device;
1896 	pci_set_master(pci);
1897 	if ((err = snd_riptide_initialize(chip)) < 0) {
1898 		snd_riptide_free(chip);
1899 		return err;
1900 	}
1901 
1902 	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1903 		snd_riptide_free(chip);
1904 		return err;
1905 	}
1906 
1907 	snd_card_set_dev(card, &pci->dev);
1908 
1909 	*rchip = chip;
1910 	return 0;
1911 }
1912 
1913 static void
1914 snd_riptide_proc_read(struct snd_info_entry *entry,
1915 		      struct snd_info_buffer *buffer)
1916 {
1917 	struct snd_riptide *chip = entry->private_data;
1918 	struct pcmhw *data;
1919 	int i;
1920 	struct cmdif *cif = NULL;
1921 	unsigned char p[256];
1922 	unsigned short rval = 0, lval = 0;
1923 	unsigned int rate;
1924 
1925 	if (!chip)
1926 		return;
1927 
1928 	snd_iprintf(buffer, "%s\n\n", chip->card->longname);
1929 	snd_iprintf(buffer, "Device ID: 0x%x\nReceived IRQs: (%ld)%ld\nPorts:",
1930 		    chip->device_id, chip->handled_irqs, chip->received_irqs);
1931 	for (i = 0; i < 64; i += 4)
1932 		snd_iprintf(buffer, "%c%02x: %08x",
1933 			    (i % 16) ? ' ' : '\n', i, inl(chip->port + i));
1934 	if ((cif = chip->cif)) {
1935 		snd_iprintf(buffer,
1936 			    "\nVersion: ASIC: %d CODEC: %d AUXDSP: %d PROG: %d",
1937 			    chip->firmware.firmware.ASIC,
1938 			    chip->firmware.firmware.CODEC,
1939 			    chip->firmware.firmware.AUXDSP,
1940 			    chip->firmware.firmware.PROG);
1941 		snd_iprintf(buffer, "\nDigital mixer:");
1942 		for (i = 0; i < 12; i++) {
1943 			getmixer(cif, i, &rval, &lval);
1944 			snd_iprintf(buffer, "\n %d: %d %d", i, rval, lval);
1945 		}
1946 		snd_iprintf(buffer,
1947 			    "\nARM Commands num: %d failed: %d time: %d max: %d min: %d",
1948 			    cif->cmdcnt, cif->errcnt,
1949 			    cif->cmdtime, cif->cmdtimemax, cif->cmdtimemin);
1950 	}
1951 	snd_iprintf(buffer, "\nOpen streams %d:\n", chip->openstreams);
1952 	for (i = 0; i < PLAYBACK_SUBSTREAMS; i++) {
1953 		if (chip->playback_substream[i]
1954 		    && chip->playback_substream[i]->runtime
1955 		    && (data =
1956 			chip->playback_substream[i]->runtime->private_data)) {
1957 			snd_iprintf(buffer,
1958 				    "stream: %d mixer: %d source: %d (%d,%d)\n",
1959 				    data->id, data->mixer, data->source,
1960 				    data->intdec[0], data->intdec[1]);
1961 			if (!(getsamplerate(cif, data->intdec, &rate)))
1962 				snd_iprintf(buffer, "rate: %d\n", rate);
1963 		}
1964 	}
1965 	if (chip->capture_substream
1966 	    && chip->capture_substream->runtime
1967 	    && (data = chip->capture_substream->runtime->private_data)) {
1968 		snd_iprintf(buffer,
1969 			    "stream: %d mixer: %d source: %d (%d,%d)\n",
1970 			    data->id, data->mixer,
1971 			    data->source, data->intdec[0], data->intdec[1]);
1972 		if (!(getsamplerate(cif, data->intdec, &rate)))
1973 			snd_iprintf(buffer, "rate: %d\n", rate);
1974 	}
1975 	snd_iprintf(buffer, "Paths:\n");
1976 	i = getpaths(cif, p);
1977 	while (i--) {
1978 		snd_iprintf(buffer, "%x->%x ", p[i - 1], p[i]);
1979 		i--;
1980 	}
1981 	snd_iprintf(buffer, "\n");
1982 }
1983 
1984 static void __devinit snd_riptide_proc_init(struct snd_riptide *chip)
1985 {
1986 	struct snd_info_entry *entry;
1987 
1988 	if (!snd_card_proc_new(chip->card, "riptide", &entry))
1989 		snd_info_set_text_ops(entry, chip, snd_riptide_proc_read);
1990 }
1991 
1992 static int __devinit snd_riptide_mixer(struct snd_riptide *chip)
1993 {
1994 	struct snd_ac97_bus *pbus;
1995 	struct snd_ac97_template ac97;
1996 	int err = 0;
1997 	static struct snd_ac97_bus_ops ops = {
1998 		.write = snd_riptide_codec_write,
1999 		.read = snd_riptide_codec_read,
2000 	};
2001 
2002 	memset(&ac97, 0, sizeof(ac97));
2003 	ac97.private_data = chip;
2004 	ac97.scaps = AC97_SCAP_SKIP_MODEM;
2005 
2006 	if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0)
2007 		return err;
2008 
2009 	chip->ac97_bus = pbus;
2010 	ac97.pci = chip->pci;
2011 	if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97)) < 0)
2012 		return err;
2013 	return err;
2014 }
2015 
2016 #ifdef SUPPORT_JOYSTICK
2017 
2018 static int __devinit
2019 snd_riptide_joystick_probe(struct pci_dev *pci, const struct pci_device_id *id)
2020 {
2021 	static int dev;
2022 	struct gameport *gameport;
2023 
2024 	if (dev >= SNDRV_CARDS)
2025 		return -ENODEV;
2026 	if (!enable[dev]) {
2027 		dev++;
2028 		return -ENOENT;
2029 	}
2030 
2031 	if (!joystick_port[dev++])
2032 		return 0;
2033 
2034 	gameport = gameport_allocate_port();
2035 	if (!gameport)
2036 		return -ENOMEM;
2037 	if (!request_region(joystick_port[dev], 8, "Riptide gameport")) {
2038 		snd_printk(KERN_WARNING
2039 			   "Riptide: cannot grab gameport 0x%x\n",
2040 			   joystick_port[dev]);
2041 		gameport_free_port(gameport);
2042 		return -EBUSY;
2043 	}
2044 
2045 	gameport->io = joystick_port[dev];
2046 	gameport_register_port(gameport);
2047 	pci_set_drvdata(pci, gameport);
2048 	return 0;
2049 }
2050 
2051 static void __devexit snd_riptide_joystick_remove(struct pci_dev *pci)
2052 {
2053 	struct gameport *gameport = pci_get_drvdata(pci);
2054 	if (gameport) {
2055 		release_region(gameport->io, 8);
2056 		gameport_unregister_port(gameport);
2057 		pci_set_drvdata(pci, NULL);
2058 	}
2059 }
2060 #endif
2061 
2062 static int __devinit
2063 snd_card_riptide_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2064 {
2065 	static int dev;
2066 	struct snd_card *card;
2067 	struct snd_riptide *chip;
2068 	unsigned short val;
2069 	int err;
2070 
2071 	if (dev >= SNDRV_CARDS)
2072 		return -ENODEV;
2073 	if (!enable[dev]) {
2074 		dev++;
2075 		return -ENOENT;
2076 	}
2077 
2078 	err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
2079 	if (err < 0)
2080 		return err;
2081 	err = snd_riptide_create(card, pci, &chip);
2082 	if (err < 0)
2083 		goto error;
2084 	card->private_data = chip;
2085 	err = snd_riptide_pcm(chip, 0, NULL);
2086 	if (err < 0)
2087 		goto error;
2088 	err = snd_riptide_mixer(chip);
2089 	if (err < 0)
2090 		goto error;
2091 
2092 	val = LEGACY_ENABLE_ALL;
2093 	if (opl3_port[dev])
2094 		val |= LEGACY_ENABLE_FM;
2095 #ifdef SUPPORT_JOYSTICK
2096 	if (joystick_port[dev])
2097 		val |= LEGACY_ENABLE_GAMEPORT;
2098 #endif
2099 	if (mpu_port[dev])
2100 		val |= LEGACY_ENABLE_MPU_INT | LEGACY_ENABLE_MPU;
2101 	val |= (chip->irq << 4) & 0xf0;
2102 	pci_write_config_word(chip->pci, PCI_EXT_Legacy_Mask, val);
2103 	if (mpu_port[dev]) {
2104 		val = mpu_port[dev];
2105 		pci_write_config_word(chip->pci, PCI_EXT_MPU_Base, val);
2106 		err = snd_mpu401_uart_new(card, 0, MPU401_HW_RIPTIDE,
2107 					  val, 0, chip->irq, 0,
2108 					  &chip->rmidi);
2109 		if (err < 0)
2110 			snd_printk(KERN_WARNING
2111 				   "Riptide: Can't Allocate MPU at 0x%x\n",
2112 				   val);
2113 		else
2114 			chip->mpuaddr = val;
2115 	}
2116 	if (opl3_port[dev]) {
2117 		val = opl3_port[dev];
2118 		pci_write_config_word(chip->pci, PCI_EXT_FM_Base, val);
2119 		err = snd_opl3_create(card, val, val + 2,
2120 				      OPL3_HW_RIPTIDE, 0, &chip->opl3);
2121 		if (err < 0)
2122 			snd_printk(KERN_WARNING
2123 				   "Riptide: Can't Allocate OPL3 at 0x%x\n",
2124 				   val);
2125 		else {
2126 			chip->opladdr = val;
2127 			err = snd_opl3_hwdep_new(chip->opl3, 0, 1, NULL);
2128 			if (err < 0)
2129 				snd_printk(KERN_WARNING
2130 					   "Riptide: Can't Allocate OPL3-HWDEP\n");
2131 		}
2132 	}
2133 #ifdef SUPPORT_JOYSTICK
2134 	if (joystick_port[dev]) {
2135 		val = joystick_port[dev];
2136 		pci_write_config_word(chip->pci, PCI_EXT_Game_Base, val);
2137 		chip->gameaddr = val;
2138 	}
2139 #endif
2140 
2141 	strcpy(card->driver, "RIPTIDE");
2142 	strcpy(card->shortname, "Riptide");
2143 #ifdef SUPPORT_JOYSTICK
2144 	snprintf(card->longname, sizeof(card->longname),
2145 		 "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x gameport 0x%x",
2146 		 card->shortname, chip->port, chip->irq, chip->mpuaddr,
2147 		 chip->opladdr, chip->gameaddr);
2148 #else
2149 	snprintf(card->longname, sizeof(card->longname),
2150 		 "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x",
2151 		 card->shortname, chip->port, chip->irq, chip->mpuaddr,
2152 		 chip->opladdr);
2153 #endif
2154 	snd_riptide_proc_init(chip);
2155 	err = snd_card_register(card);
2156 	if (err < 0)
2157 		goto error;
2158 	pci_set_drvdata(pci, card);
2159 	dev++;
2160 	return 0;
2161 
2162  error:
2163 	snd_card_free(card);
2164 	return err;
2165 }
2166 
2167 static void __devexit snd_card_riptide_remove(struct pci_dev *pci)
2168 {
2169 	snd_card_free(pci_get_drvdata(pci));
2170 	pci_set_drvdata(pci, NULL);
2171 }
2172 
2173 static struct pci_driver driver = {
2174 	.name = "RIPTIDE",
2175 	.id_table = snd_riptide_ids,
2176 	.probe = snd_card_riptide_probe,
2177 	.remove = __devexit_p(snd_card_riptide_remove),
2178 #ifdef CONFIG_PM
2179 	.suspend = riptide_suspend,
2180 	.resume = riptide_resume,
2181 #endif
2182 };
2183 
2184 #ifdef SUPPORT_JOYSTICK
2185 static struct pci_driver joystick_driver = {
2186 	.name = "Riptide Joystick",
2187 	.id_table = snd_riptide_joystick_ids,
2188 	.probe = snd_riptide_joystick_probe,
2189 	.remove = __devexit_p(snd_riptide_joystick_remove),
2190 };
2191 #endif
2192 
2193 static int __init alsa_card_riptide_init(void)
2194 {
2195 	int err;
2196 	err = pci_register_driver(&driver);
2197 	if (err < 0)
2198 		return err;
2199 #if defined(SUPPORT_JOYSTICK)
2200 	err = pci_register_driver(&joystick_driver);
2201 	/* On failure unregister formerly registered audio driver */
2202 	if (err < 0)
2203 		pci_unregister_driver(&driver);
2204 #endif
2205 	return err;
2206 }
2207 
2208 static void __exit alsa_card_riptide_exit(void)
2209 {
2210 	pci_unregister_driver(&driver);
2211 #if defined(SUPPORT_JOYSTICK)
2212 	pci_unregister_driver(&joystick_driver);
2213 #endif
2214 }
2215 
2216 module_init(alsa_card_riptide_init);
2217 module_exit(alsa_card_riptide_exit);
2218