xref: /openbmc/linux/sound/pci/riptide/riptide.c (revision d2574c33)
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 <linux/kernel.h>
101 #include <linux/module.h>
102 #include <linux/io.h>
103 #include <sound/core.h>
104 #include <sound/info.h>
105 #include <sound/control.h>
106 #include <sound/pcm.h>
107 #include <sound/pcm_params.h>
108 #include <sound/ac97_codec.h>
109 #include <sound/mpu401.h>
110 #include <sound/opl3.h>
111 #include <sound/initval.h>
112 
113 #if IS_REACHABLE(CONFIG_GAMEPORT)
114 #define SUPPORT_JOYSTICK 1
115 #endif
116 
117 MODULE_AUTHOR("Peter Gruber <nokos@gmx.net>");
118 MODULE_DESCRIPTION("riptide");
119 MODULE_LICENSE("GPL");
120 MODULE_SUPPORTED_DEVICE("{{Conexant,Riptide}}");
121 MODULE_FIRMWARE("riptide.hex");
122 
123 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
124 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
125 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
126 
127 #ifdef SUPPORT_JOYSTICK
128 static int joystick_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x200 };
129 #endif
130 static int mpu_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x330 };
131 static int opl3_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x388 };
132 
133 module_param_array(index, int, NULL, 0444);
134 MODULE_PARM_DESC(index, "Index value for Riptide soundcard.");
135 module_param_array(id, charp, NULL, 0444);
136 MODULE_PARM_DESC(id, "ID string for Riptide soundcard.");
137 module_param_array(enable, bool, NULL, 0444);
138 MODULE_PARM_DESC(enable, "Enable Riptide soundcard.");
139 #ifdef SUPPORT_JOYSTICK
140 module_param_hw_array(joystick_port, int, ioport, NULL, 0444);
141 MODULE_PARM_DESC(joystick_port, "Joystick port # for Riptide soundcard.");
142 #endif
143 module_param_hw_array(mpu_port, int, ioport, NULL, 0444);
144 MODULE_PARM_DESC(mpu_port, "MPU401 port # for Riptide driver.");
145 module_param_hw_array(opl3_port, int, ioport, NULL, 0444);
146 MODULE_PARM_DESC(opl3_port, "OPL3 port # for Riptide driver.");
147 
148 /*
149  */
150 
151 #define MPU401_HW_RIPTIDE MPU401_HW_MPU401
152 #define OPL3_HW_RIPTIDE   OPL3_HW_OPL3
153 
154 #define PCI_EXT_CapId       0x40
155 #define PCI_EXT_NextCapPrt  0x41
156 #define PCI_EXT_PWMC        0x42
157 #define PCI_EXT_PWSCR       0x44
158 #define PCI_EXT_Data00      0x46
159 #define PCI_EXT_PMSCR_BSE   0x47
160 #define PCI_EXT_SB_Base     0x48
161 #define PCI_EXT_FM_Base     0x4a
162 #define PCI_EXT_MPU_Base    0x4C
163 #define PCI_EXT_Game_Base   0x4E
164 #define PCI_EXT_Legacy_Mask 0x50
165 #define PCI_EXT_AsicRev     0x52
166 #define PCI_EXT_Reserved3   0x53
167 
168 #define LEGACY_ENABLE_ALL      0x8000	/* legacy device options */
169 #define LEGACY_ENABLE_SB       0x4000
170 #define LEGACY_ENABLE_FM       0x2000
171 #define LEGACY_ENABLE_MPU_INT  0x1000
172 #define LEGACY_ENABLE_MPU      0x0800
173 #define LEGACY_ENABLE_GAMEPORT 0x0400
174 
175 #define MAX_WRITE_RETRY  10	/* cmd interface limits */
176 #define MAX_ERROR_COUNT  10
177 #define CMDIF_TIMEOUT    50000
178 #define RESET_TRIES      5
179 
180 #define READ_PORT_ULONG(p)     inl((unsigned long)&(p))
181 #define WRITE_PORT_ULONG(p,x)  outl(x,(unsigned long)&(p))
182 
183 #define READ_AUDIO_CONTROL(p)     READ_PORT_ULONG(p->audio_control)
184 #define WRITE_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,x)
185 #define UMASK_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)|x)
186 #define MASK_AUDIO_CONTROL(p,x)   WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)&x)
187 #define READ_AUDIO_STATUS(p)      READ_PORT_ULONG(p->audio_status)
188 
189 #define SET_GRESET(p)     UMASK_AUDIO_CONTROL(p,0x0001)	/* global reset switch */
190 #define UNSET_GRESET(p)   MASK_AUDIO_CONTROL(p,~0x0001)
191 #define SET_AIE(p)        UMASK_AUDIO_CONTROL(p,0x0004)	/* interrupt enable */
192 #define UNSET_AIE(p)      MASK_AUDIO_CONTROL(p,~0x0004)
193 #define SET_AIACK(p)      UMASK_AUDIO_CONTROL(p,0x0008)	/* interrupt acknowledge */
194 #define UNSET_AIACKT(p)   MASKAUDIO_CONTROL(p,~0x0008)
195 #define SET_ECMDAE(p)     UMASK_AUDIO_CONTROL(p,0x0010)
196 #define UNSET_ECMDAE(p)   MASK_AUDIO_CONTROL(p,~0x0010)
197 #define SET_ECMDBE(p)     UMASK_AUDIO_CONTROL(p,0x0020)
198 #define UNSET_ECMDBE(p)   MASK_AUDIO_CONTROL(p,~0x0020)
199 #define SET_EDATAF(p)     UMASK_AUDIO_CONTROL(p,0x0040)
200 #define UNSET_EDATAF(p)   MASK_AUDIO_CONTROL(p,~0x0040)
201 #define SET_EDATBF(p)     UMASK_AUDIO_CONTROL(p,0x0080)
202 #define UNSET_EDATBF(p)   MASK_AUDIO_CONTROL(p,~0x0080)
203 #define SET_ESBIRQON(p)   UMASK_AUDIO_CONTROL(p,0x0100)
204 #define UNSET_ESBIRQON(p) MASK_AUDIO_CONTROL(p,~0x0100)
205 #define SET_EMPUIRQ(p)    UMASK_AUDIO_CONTROL(p,0x0200)
206 #define UNSET_EMPUIRQ(p)  MASK_AUDIO_CONTROL(p,~0x0200)
207 #define IS_CMDE(a)        (READ_PORT_ULONG(a->stat)&0x1)	/* cmd empty */
208 #define IS_DATF(a)        (READ_PORT_ULONG(a->stat)&0x2)	/* data filled */
209 #define IS_READY(p)       (READ_AUDIO_STATUS(p)&0x0001)
210 #define IS_DLREADY(p)     (READ_AUDIO_STATUS(p)&0x0002)
211 #define IS_DLERR(p)       (READ_AUDIO_STATUS(p)&0x0004)
212 #define IS_GERR(p)        (READ_AUDIO_STATUS(p)&0x0008)	/* error ! */
213 #define IS_CMDAEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0010)
214 #define IS_CMDBEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0020)
215 #define IS_DATAFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0040)
216 #define IS_DATBFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0080)
217 #define IS_EOBIRQ(p)      (READ_AUDIO_STATUS(p)&0x0100)	/* interrupt status */
218 #define IS_EOSIRQ(p)      (READ_AUDIO_STATUS(p)&0x0200)
219 #define IS_EOCIRQ(p)      (READ_AUDIO_STATUS(p)&0x0400)
220 #define IS_UNSLIRQ(p)     (READ_AUDIO_STATUS(p)&0x0800)
221 #define IS_SBIRQ(p)       (READ_AUDIO_STATUS(p)&0x1000)
222 #define IS_MPUIRQ(p)      (READ_AUDIO_STATUS(p)&0x2000)
223 
224 #define RESP 0x00000001		/* command flags */
225 #define PARM 0x00000002
226 #define CMDA 0x00000004
227 #define CMDB 0x00000008
228 #define NILL 0x00000000
229 
230 #define LONG0(a)   ((u32)a)	/* shifts and masks */
231 #define BYTE0(a)   (LONG0(a)&0xff)
232 #define BYTE1(a)   (BYTE0(a)<<8)
233 #define BYTE2(a)   (BYTE0(a)<<16)
234 #define BYTE3(a)   (BYTE0(a)<<24)
235 #define WORD0(a)   (LONG0(a)&0xffff)
236 #define WORD1(a)   (WORD0(a)<<8)
237 #define WORD2(a)   (WORD0(a)<<16)
238 #define TRINIB0(a) (LONG0(a)&0xffffff)
239 #define TRINIB1(a) (TRINIB0(a)<<8)
240 
241 #define RET(a)     ((union cmdret *)(a))
242 
243 #define SEND_GETV(p,b)             sendcmd(p,RESP,GETV,0,RET(b))	/* get version */
244 #define SEND_GETC(p,b,c)           sendcmd(p,PARM|RESP,GETC,c,RET(b))
245 #define SEND_GUNS(p,b)             sendcmd(p,RESP,GUNS,0,RET(b))
246 #define SEND_SCID(p,b)             sendcmd(p,RESP,SCID,0,RET(b))
247 #define SEND_RMEM(p,b,c,d)         sendcmd(p,PARM|RESP,RMEM|BYTE1(b),LONG0(c),RET(d))	/* memory access for firmware write */
248 #define SEND_SMEM(p,b,c)           sendcmd(p,PARM,SMEM|BYTE1(b),LONG0(c),RET(0))	/* memory access for firmware write */
249 #define SEND_WMEM(p,b,c)           sendcmd(p,PARM,WMEM|BYTE1(b),LONG0(c),RET(0))	/* memory access for firmware write */
250 #define SEND_SDTM(p,b,c)           sendcmd(p,PARM|RESP,SDTM|TRINIB1(b),0,RET(c))	/* memory access for firmware write */
251 #define SEND_GOTO(p,b)             sendcmd(p,PARM,GOTO,LONG0(b),RET(0))	/* memory access for firmware write */
252 #define SEND_SETDPLL(p)	           sendcmd(p,0,ARM_SETDPLL,0,RET(0))
253 #define SEND_SSTR(p,b,c)           sendcmd(p,PARM,SSTR|BYTE3(b),LONG0(c),RET(0))	/* start stream */
254 #define SEND_PSTR(p,b)             sendcmd(p,PARM,PSTR,BYTE3(b),RET(0))	/* pause stream */
255 #define SEND_KSTR(p,b)             sendcmd(p,PARM,KSTR,BYTE3(b),RET(0))	/* stop stream */
256 #define SEND_KDMA(p)               sendcmd(p,0,KDMA,0,RET(0))	/* stop all dma */
257 #define SEND_GPOS(p,b,c,d)         sendcmd(p,PARM|RESP,GPOS,BYTE3(c)|BYTE2(b),RET(d))	/* get position in dma */
258 #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 */
259 #define SEND_GSTS(p,b,c,d)         sendcmd(p,PARM|RESP,GSTS,BYTE3(c)|BYTE2(b),RET(d))
260 #define SEND_NGPOS(p,b,c,d)        sendcmd(p,PARM|RESP,NGPOS,BYTE3(c)|BYTE2(b),RET(d))
261 #define SEND_PSEL(p,b,c)           sendcmd(p,PARM,PSEL,BYTE2(b)|BYTE3(c),RET(0))	/* activate lbus path */
262 #define SEND_PCLR(p,b,c)           sendcmd(p,PARM,PCLR,BYTE2(b)|BYTE3(c),RET(0))	/* deactivate lbus path */
263 #define SEND_PLST(p,b)             sendcmd(p,PARM,PLST,BYTE3(b),RET(0))
264 #define SEND_RSSV(p,b,c,d)         sendcmd(p,PARM|RESP,RSSV,BYTE2(b)|BYTE3(c),RET(d))
265 #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 */
266 #define SEND_SSRC(p,b,c,d,e)       sendcmd(p,PARM,SSRC|BYTE1(b)|WORD2(c),WORD0(d)|WORD2(e),RET(0))	/* configure source */
267 #define SEND_SLST(p,b)             sendcmd(p,PARM,SLST,BYTE3(b),RET(0))
268 #define SEND_RSRC(p,b,c)           sendcmd(p,RESP,RSRC|BYTE1(b),0,RET(c))	/* read source config */
269 #define SEND_SSRB(p,b,c)           sendcmd(p,PARM,SSRB|BYTE1(b),WORD2(c),RET(0))
270 #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 */
271 #define SEND_RDGV(p,b,c,d)         sendcmd(p,PARM|RESP,RDGV|BYTE2(b)|BYTE3(c),0,RET(d))	/* read digital mixer */
272 #define SEND_DLST(p,b)             sendcmd(p,PARM,DLST,BYTE3(b),RET(0))
273 #define SEND_SACR(p,b,c)           sendcmd(p,PARM,SACR,WORD0(b)|WORD2(c),RET(0))	/* set AC97 register */
274 #define SEND_RACR(p,b,c)           sendcmd(p,PARM|RESP,RACR,WORD2(b),RET(c))	/* get AC97 register */
275 #define SEND_ALST(p,b)             sendcmd(p,PARM,ALST,BYTE3(b),RET(0))
276 #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))
277 #define SEND_RXAC(p,b,c,d)         sendcmd(p,PARM|RESP,RXAC,BYTE2(b)|BYTE3(c),RET(d))
278 #define SEND_SI2S(p,b)             sendcmd(p,PARM,SI2S,WORD2(b),RET(0))
279 
280 #define EOB_STATUS         0x80000000	/* status flags : block boundary */
281 #define EOS_STATUS         0x40000000	/*              : stoppped */
282 #define EOC_STATUS         0x20000000	/*              : stream end */
283 #define ERR_STATUS         0x10000000
284 #define EMPTY_STATUS       0x08000000
285 
286 #define IEOB_ENABLE        0x1	/* enable interrupts for status notification above */
287 #define IEOS_ENABLE        0x2
288 #define IEOC_ENABLE        0x4
289 #define RDONCE             0x8
290 #define DESC_MAX_MASK      0xff
291 
292 #define ST_PLAY  0x1		/* stream states */
293 #define ST_STOP  0x2
294 #define ST_PAUSE 0x4
295 
296 #define I2S_INTDEC     3	/* config for I2S link */
297 #define I2S_MERGER     0
298 #define I2S_SPLITTER   0
299 #define I2S_MIXER      7
300 #define I2S_RATE       44100
301 
302 #define MODEM_INTDEC   4	/* config for modem link */
303 #define MODEM_MERGER   3
304 #define MODEM_SPLITTER 0
305 #define MODEM_MIXER    11
306 
307 #define FM_INTDEC      3	/* config for FM/OPL3 link */
308 #define FM_MERGER      0
309 #define FM_SPLITTER    0
310 #define FM_MIXER       9
311 
312 #define SPLIT_PATH  0x80	/* path splitting flag */
313 
314 enum FIRMWARE {
315 	DATA_REC = 0, EXT_END_OF_FILE, EXT_SEG_ADDR_REC, EXT_GOTO_CMD_REC,
316 	EXT_LIN_ADDR_REC,
317 };
318 
319 enum CMDS {
320 	GETV = 0x00, GETC, GUNS, SCID, RMEM =
321 	    0x10, SMEM, WMEM, SDTM, GOTO, SSTR =
322 	    0x20, PSTR, KSTR, KDMA, GPOS, SETF, GSTS, NGPOS, PSEL =
323 	    0x30, PCLR, PLST, RSSV, LSEL, SSRC = 0x40, SLST, RSRC, SSRB, SDGV =
324 	    0x50, RDGV, DLST, SACR = 0x60, RACR, ALST, TXAC, RXAC, SI2S =
325 	    0x70, ARM_SETDPLL = 0x72,
326 };
327 
328 enum E1SOURCE {
329 	ARM2LBUS_FIFO0 = 0, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2, ARM2LBUS_FIFO3,
330 	ARM2LBUS_FIFO4, ARM2LBUS_FIFO5, ARM2LBUS_FIFO6, ARM2LBUS_FIFO7,
331 	ARM2LBUS_FIFO8, ARM2LBUS_FIFO9, ARM2LBUS_FIFO10, ARM2LBUS_FIFO11,
332 	ARM2LBUS_FIFO12, ARM2LBUS_FIFO13, ARM2LBUS_FIFO14, ARM2LBUS_FIFO15,
333 	INTER0_OUT, INTER1_OUT, INTER2_OUT, INTER3_OUT, INTER4_OUT,
334 	INTERM0_OUT, INTERM1_OUT, INTERM2_OUT, INTERM3_OUT, INTERM4_OUT,
335 	INTERM5_OUT, INTERM6_OUT, DECIMM0_OUT, DECIMM1_OUT, DECIMM2_OUT,
336 	DECIMM3_OUT, DECIM0_OUT, SR3_4_OUT, OPL3_SAMPLE, ASRC0, ASRC1,
337 	ACLNK2PADC, ACLNK2MODEM0RX, ACLNK2MIC, ACLNK2MODEM1RX, ACLNK2HNDMIC,
338 	DIGITAL_MIXER_OUT0, GAINFUNC0_OUT, GAINFUNC1_OUT, GAINFUNC2_OUT,
339 	GAINFUNC3_OUT, GAINFUNC4_OUT, SOFTMODEMTX, SPLITTER0_OUTL,
340 	SPLITTER0_OUTR, SPLITTER1_OUTL, SPLITTER1_OUTR, SPLITTER2_OUTL,
341 	SPLITTER2_OUTR, SPLITTER3_OUTL, SPLITTER3_OUTR, MERGER0_OUT,
342 	MERGER1_OUT, MERGER2_OUT, MERGER3_OUT, ARM2LBUS_FIFO_DIRECT, NO_OUT
343 };
344 
345 enum E2SINK {
346 	LBUS2ARM_FIFO0 = 0, LBUS2ARM_FIFO1, LBUS2ARM_FIFO2, LBUS2ARM_FIFO3,
347 	LBUS2ARM_FIFO4, LBUS2ARM_FIFO5, LBUS2ARM_FIFO6, LBUS2ARM_FIFO7,
348 	INTER0_IN, INTER1_IN, INTER2_IN, INTER3_IN, INTER4_IN, INTERM0_IN,
349 	INTERM1_IN, INTERM2_IN, INTERM3_IN, INTERM4_IN, INTERM5_IN, INTERM6_IN,
350 	DECIMM0_IN, DECIMM1_IN, DECIMM2_IN, DECIMM3_IN, DECIM0_IN, SR3_4_IN,
351 	PDAC2ACLNK, MODEM0TX2ACLNK, MODEM1TX2ACLNK, HNDSPK2ACLNK,
352 	DIGITAL_MIXER_IN0, DIGITAL_MIXER_IN1, DIGITAL_MIXER_IN2,
353 	DIGITAL_MIXER_IN3, DIGITAL_MIXER_IN4, DIGITAL_MIXER_IN5,
354 	DIGITAL_MIXER_IN6, DIGITAL_MIXER_IN7, DIGITAL_MIXER_IN8,
355 	DIGITAL_MIXER_IN9, DIGITAL_MIXER_IN10, DIGITAL_MIXER_IN11,
356 	GAINFUNC0_IN, GAINFUNC1_IN, GAINFUNC2_IN, GAINFUNC3_IN, GAINFUNC4_IN,
357 	SOFTMODEMRX, SPLITTER0_IN, SPLITTER1_IN, SPLITTER2_IN, SPLITTER3_IN,
358 	MERGER0_INL, MERGER0_INR, MERGER1_INL, MERGER1_INR, MERGER2_INL,
359 	MERGER2_INR, MERGER3_INL, MERGER3_INR, E2SINK_MAX
360 };
361 
362 enum LBUS_SINK {
363 	LS_SRC_INTERPOLATOR = 0, LS_SRC_INTERPOLATORM, LS_SRC_DECIMATOR,
364 	LS_SRC_DECIMATORM, LS_MIXER_IN, LS_MIXER_GAIN_FUNCTION,
365 	LS_SRC_SPLITTER, LS_SRC_MERGER, LS_NONE1, LS_NONE2,
366 };
367 
368 enum RT_CHANNEL_IDS {
369 	M0TX = 0, M1TX, TAMTX, HSSPKR, PDAC, DSNDTX0, DSNDTX1, DSNDTX2,
370 	DSNDTX3, DSNDTX4, DSNDTX5, DSNDTX6, DSNDTX7, WVSTRTX, COP3DTX, SPARE,
371 	M0RX, HSMIC, M1RX, CLEANRX, MICADC, PADC, COPRX1, COPRX2,
372 	CHANNEL_ID_COUNTER
373 };
374 
375 enum { SB_CMD = 0, MODEM_CMD, I2S_CMD0, I2S_CMD1, FM_CMD, MAX_CMD };
376 
377 struct lbuspath {
378 	unsigned char *noconv;
379 	unsigned char *stereo;
380 	unsigned char *mono;
381 };
382 
383 struct cmdport {
384 	u32 data1;		/* cmd,param */
385 	u32 data2;		/* param */
386 	u32 stat;		/* status */
387 	u32 pad[5];
388 };
389 
390 struct riptideport {
391 	u32 audio_control;	/* status registers */
392 	u32 audio_status;
393 	u32 pad[2];
394 	struct cmdport port[2];	/* command ports */
395 };
396 
397 struct cmdif {
398 	struct riptideport *hwport;
399 	spinlock_t lock;
400 	unsigned int cmdcnt;	/* cmd statistics */
401 	unsigned int cmdtime;
402 	unsigned int cmdtimemax;
403 	unsigned int cmdtimemin;
404 	unsigned int errcnt;
405 	int is_reset;
406 };
407 
408 struct riptide_firmware {
409 	u16 ASIC;
410 	u16 CODEC;
411 	u16 AUXDSP;
412 	u16 PROG;
413 };
414 
415 union cmdret {
416 	u8 retbytes[8];
417 	u16 retwords[4];
418 	u32 retlongs[2];
419 };
420 
421 union firmware_version {
422 	union cmdret ret;
423 	struct riptide_firmware firmware;
424 };
425 
426 #define get_pcmhwdev(substream) (struct pcmhw *)(substream->runtime->private_data)
427 
428 #define PLAYBACK_SUBSTREAMS 3
429 struct snd_riptide {
430 	struct snd_card *card;
431 	struct pci_dev *pci;
432 	const struct firmware *fw_entry;
433 
434 	struct cmdif *cif;
435 
436 	struct snd_pcm *pcm;
437 	struct snd_pcm *pcm_i2s;
438 	struct snd_rawmidi *rmidi;
439 	struct snd_opl3 *opl3;
440 	struct snd_ac97 *ac97;
441 	struct snd_ac97_bus *ac97_bus;
442 
443 	struct snd_pcm_substream *playback_substream[PLAYBACK_SUBSTREAMS];
444 	struct snd_pcm_substream *capture_substream;
445 
446 	int openstreams;
447 
448 	int irq;
449 	unsigned long port;
450 	unsigned short mpuaddr;
451 	unsigned short opladdr;
452 #ifdef SUPPORT_JOYSTICK
453 	unsigned short gameaddr;
454 #endif
455 	struct resource *res_port;
456 
457 	unsigned short device_id;
458 
459 	union firmware_version firmware;
460 
461 	spinlock_t lock;
462 	struct tasklet_struct riptide_tq;
463 	struct snd_info_entry *proc_entry;
464 
465 	unsigned long received_irqs;
466 	unsigned long handled_irqs;
467 #ifdef CONFIG_PM_SLEEP
468 	int in_suspend;
469 #endif
470 };
471 
472 struct sgd {			/* scatter gather desriptor */
473 	__le32 dwNextLink;
474 	__le32 dwSegPtrPhys;
475 	__le32 dwSegLen;
476 	__le32 dwStat_Ctl;
477 };
478 
479 struct pcmhw {			/* pcm descriptor */
480 	struct lbuspath paths;
481 	unsigned char *lbuspath;
482 	unsigned char source;
483 	unsigned char intdec[2];
484 	unsigned char mixer;
485 	unsigned char id;
486 	unsigned char state;
487 	unsigned int rate;
488 	unsigned int channels;
489 	snd_pcm_format_t format;
490 	struct snd_dma_buffer sgdlist;
491 	struct sgd *sgdbuf;
492 	unsigned int size;
493 	unsigned int pages;
494 	unsigned int oldpos;
495 	unsigned int pointer;
496 };
497 
498 #define CMDRET_ZERO (union cmdret){{(u32)0, (u32) 0}}
499 
500 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
501 		   union cmdret *ret);
502 static int getsourcesink(struct cmdif *cif, unsigned char source,
503 			 unsigned char sink, unsigned char *a,
504 			 unsigned char *b);
505 static int snd_riptide_initialize(struct snd_riptide *chip);
506 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip);
507 
508 /*
509  */
510 
511 static const struct pci_device_id snd_riptide_ids[] = {
512 	{ PCI_DEVICE(0x127a, 0x4310) },
513 	{ PCI_DEVICE(0x127a, 0x4320) },
514 	{ PCI_DEVICE(0x127a, 0x4330) },
515 	{ PCI_DEVICE(0x127a, 0x4340) },
516 	{0,},
517 };
518 
519 #ifdef SUPPORT_JOYSTICK
520 static const struct pci_device_id snd_riptide_joystick_ids[] = {
521 	{ PCI_DEVICE(0x127a, 0x4312) },
522 	{ PCI_DEVICE(0x127a, 0x4322) },
523 	{ PCI_DEVICE(0x127a, 0x4332) },
524 	{ PCI_DEVICE(0x127a, 0x4342) },
525 	{0,},
526 };
527 #endif
528 
529 MODULE_DEVICE_TABLE(pci, snd_riptide_ids);
530 
531 /*
532  */
533 
534 static unsigned char lbusin2out[E2SINK_MAX + 1][2] = {
535 	{NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
536 								     LS_NONE2},
537 	{NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
538 								     LS_NONE2},
539 	{INTER0_OUT, LS_SRC_INTERPOLATOR}, {INTER1_OUT, LS_SRC_INTERPOLATOR},
540 	{INTER2_OUT, LS_SRC_INTERPOLATOR}, {INTER3_OUT, LS_SRC_INTERPOLATOR},
541 	{INTER4_OUT, LS_SRC_INTERPOLATOR}, {INTERM0_OUT, LS_SRC_INTERPOLATORM},
542 	{INTERM1_OUT, LS_SRC_INTERPOLATORM}, {INTERM2_OUT,
543 					      LS_SRC_INTERPOLATORM},
544 	{INTERM3_OUT, LS_SRC_INTERPOLATORM}, {INTERM4_OUT,
545 					      LS_SRC_INTERPOLATORM},
546 	{INTERM5_OUT, LS_SRC_INTERPOLATORM}, {INTERM6_OUT,
547 					      LS_SRC_INTERPOLATORM},
548 	{DECIMM0_OUT, LS_SRC_DECIMATORM}, {DECIMM1_OUT, LS_SRC_DECIMATORM},
549 	{DECIMM2_OUT, LS_SRC_DECIMATORM}, {DECIMM3_OUT, LS_SRC_DECIMATORM},
550 	{DECIM0_OUT, LS_SRC_DECIMATOR}, {SR3_4_OUT, LS_NONE1}, {NO_OUT,
551 								LS_NONE2},
552 	{NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1},
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 	{DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
558 	{DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
559 	{GAINFUNC0_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC1_OUT,
560 						  LS_MIXER_GAIN_FUNCTION},
561 	{GAINFUNC2_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC3_OUT,
562 						  LS_MIXER_GAIN_FUNCTION},
563 	{GAINFUNC4_OUT, LS_MIXER_GAIN_FUNCTION}, {SOFTMODEMTX, LS_NONE1},
564 	{SPLITTER0_OUTL, LS_SRC_SPLITTER}, {SPLITTER1_OUTL, LS_SRC_SPLITTER},
565 	{SPLITTER2_OUTL, LS_SRC_SPLITTER}, {SPLITTER3_OUTL, LS_SRC_SPLITTER},
566 	{MERGER0_OUT, LS_SRC_MERGER}, {MERGER0_OUT, LS_SRC_MERGER},
567 	{MERGER1_OUT, LS_SRC_MERGER},
568 	{MERGER1_OUT, LS_SRC_MERGER}, {MERGER2_OUT, LS_SRC_MERGER},
569 	{MERGER2_OUT, LS_SRC_MERGER},
570 	{MERGER3_OUT, LS_SRC_MERGER}, {MERGER3_OUT, LS_SRC_MERGER}, {NO_OUT,
571 								     LS_NONE2},
572 };
573 
574 static unsigned char lbus_play_opl3[] = {
575 	DIGITAL_MIXER_IN0 + FM_MIXER, 0xff
576 };
577 static unsigned char lbus_play_modem[] = {
578 	DIGITAL_MIXER_IN0 + MODEM_MIXER, 0xff
579 };
580 static unsigned char lbus_play_i2s[] = {
581 	INTER0_IN + I2S_INTDEC, DIGITAL_MIXER_IN0 + I2S_MIXER, 0xff
582 };
583 static unsigned char lbus_play_out[] = {
584 	PDAC2ACLNK, 0xff
585 };
586 static unsigned char lbus_play_outhp[] = {
587 	HNDSPK2ACLNK, 0xff
588 };
589 static unsigned char lbus_play_noconv1[] = {
590 	DIGITAL_MIXER_IN0, 0xff
591 };
592 static unsigned char lbus_play_stereo1[] = {
593 	INTER0_IN, DIGITAL_MIXER_IN0, 0xff
594 };
595 static unsigned char lbus_play_mono1[] = {
596 	INTERM0_IN, DIGITAL_MIXER_IN0, 0xff
597 };
598 static unsigned char lbus_play_noconv2[] = {
599 	DIGITAL_MIXER_IN1, 0xff
600 };
601 static unsigned char lbus_play_stereo2[] = {
602 	INTER1_IN, DIGITAL_MIXER_IN1, 0xff
603 };
604 static unsigned char lbus_play_mono2[] = {
605 	INTERM1_IN, DIGITAL_MIXER_IN1, 0xff
606 };
607 static unsigned char lbus_play_noconv3[] = {
608 	DIGITAL_MIXER_IN2, 0xff
609 };
610 static unsigned char lbus_play_stereo3[] = {
611 	INTER2_IN, DIGITAL_MIXER_IN2, 0xff
612 };
613 static unsigned char lbus_play_mono3[] = {
614 	INTERM2_IN, DIGITAL_MIXER_IN2, 0xff
615 };
616 static unsigned char lbus_rec_noconv1[] = {
617 	LBUS2ARM_FIFO5, 0xff
618 };
619 static unsigned char lbus_rec_stereo1[] = {
620 	DECIM0_IN, LBUS2ARM_FIFO5, 0xff
621 };
622 static unsigned char lbus_rec_mono1[] = {
623 	DECIMM3_IN, LBUS2ARM_FIFO5, 0xff
624 };
625 
626 static unsigned char play_ids[] = { 4, 1, 2, };
627 static unsigned char play_sources[] = {
628 	ARM2LBUS_FIFO4, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2,
629 };
630 static struct lbuspath lbus_play_paths[] = {
631 	{
632 	 .noconv = lbus_play_noconv1,
633 	 .stereo = lbus_play_stereo1,
634 	 .mono = lbus_play_mono1,
635 	 },
636 	{
637 	 .noconv = lbus_play_noconv2,
638 	 .stereo = lbus_play_stereo2,
639 	 .mono = lbus_play_mono2,
640 	 },
641 	{
642 	 .noconv = lbus_play_noconv3,
643 	 .stereo = lbus_play_stereo3,
644 	 .mono = lbus_play_mono3,
645 	 },
646 };
647 static const struct lbuspath lbus_rec_path = {
648 	.noconv = lbus_rec_noconv1,
649 	.stereo = lbus_rec_stereo1,
650 	.mono = lbus_rec_mono1,
651 };
652 
653 #define FIRMWARE_VERSIONS 1
654 static union firmware_version firmware_versions[] = {
655 	{
656 		.firmware = {
657 			.ASIC = 3,
658 			.CODEC = 2,
659 			.AUXDSP = 3,
660 			.PROG = 773,
661 		},
662 	},
663 };
664 
665 static u32 atoh(const unsigned char *in, unsigned int len)
666 {
667 	u32 sum = 0;
668 	unsigned int mult = 1;
669 	unsigned char c;
670 
671 	while (len) {
672 		int value;
673 
674 		c = in[len - 1];
675 		value = hex_to_bin(c);
676 		if (value >= 0)
677 			sum += mult * value;
678 		mult *= 16;
679 		--len;
680 	}
681 	return sum;
682 }
683 
684 static int senddata(struct cmdif *cif, const unsigned char *in, u32 offset)
685 {
686 	u32 addr;
687 	u32 data;
688 	u32 i;
689 	const unsigned char *p;
690 
691 	i = atoh(&in[1], 2);
692 	addr = offset + atoh(&in[3], 4);
693 	if (SEND_SMEM(cif, 0, addr) != 0)
694 		return -EACCES;
695 	p = in + 9;
696 	while (i) {
697 		data = atoh(p, 8);
698 		if (SEND_WMEM(cif, 2,
699 			      ((data & 0x0f0f0f0f) << 4) | ((data & 0xf0f0f0f0)
700 							    >> 4)))
701 			return -EACCES;
702 		i -= 4;
703 		p += 8;
704 	}
705 	return 0;
706 }
707 
708 static int loadfirmware(struct cmdif *cif, const unsigned char *img,
709 			unsigned int size)
710 {
711 	const unsigned char *in;
712 	u32 laddr, saddr, t, val;
713 	int err = 0;
714 
715 	laddr = saddr = 0;
716 	while (size > 0 && err == 0) {
717 		in = img;
718 		if (in[0] == ':') {
719 			t = atoh(&in[7], 2);
720 			switch (t) {
721 			case DATA_REC:
722 				err = senddata(cif, in, laddr + saddr);
723 				break;
724 			case EXT_SEG_ADDR_REC:
725 				saddr = atoh(&in[9], 4) << 4;
726 				break;
727 			case EXT_LIN_ADDR_REC:
728 				laddr = atoh(&in[9], 4) << 16;
729 				break;
730 			case EXT_GOTO_CMD_REC:
731 				val = atoh(&in[9], 8);
732 				if (SEND_GOTO(cif, val) != 0)
733 					err = -EACCES;
734 				break;
735 			case EXT_END_OF_FILE:
736 				size = 0;
737 				break;
738 			default:
739 				break;
740 			}
741 			while (size > 0) {
742 				size--;
743 				if (*img++ == '\n')
744 					break;
745 			}
746 		}
747 	}
748 	snd_printdd("load firmware return %d\n", err);
749 	return err;
750 }
751 
752 static void
753 alloclbuspath(struct cmdif *cif, unsigned char source,
754 	      unsigned char *path, unsigned char *mixer, unsigned char *s)
755 {
756 	while (*path != 0xff) {
757 		unsigned char sink, type;
758 
759 		sink = *path & (~SPLIT_PATH);
760 		if (sink != E2SINK_MAX) {
761 			snd_printdd("alloc path 0x%x->0x%x\n", source, sink);
762 			SEND_PSEL(cif, source, sink);
763 			source = lbusin2out[sink][0];
764 			type = lbusin2out[sink][1];
765 			if (type == LS_MIXER_IN) {
766 				if (mixer)
767 					*mixer = sink - DIGITAL_MIXER_IN0;
768 			}
769 			if (type == LS_SRC_DECIMATORM ||
770 			    type == LS_SRC_DECIMATOR ||
771 			    type == LS_SRC_INTERPOLATORM ||
772 			    type == LS_SRC_INTERPOLATOR) {
773 				if (s) {
774 					if (s[0] != 0xff)
775 						s[1] = sink;
776 					else
777 						s[0] = sink;
778 				}
779 			}
780 		}
781 		if (*path++ & SPLIT_PATH) {
782 			unsigned char *npath = path;
783 
784 			while (*npath != 0xff)
785 				npath++;
786 			alloclbuspath(cif, source + 1, ++npath, mixer, s);
787 		}
788 	}
789 }
790 
791 static void
792 freelbuspath(struct cmdif *cif, unsigned char source, unsigned char *path)
793 {
794 	while (*path != 0xff) {
795 		unsigned char sink;
796 
797 		sink = *path & (~SPLIT_PATH);
798 		if (sink != E2SINK_MAX) {
799 			snd_printdd("free path 0x%x->0x%x\n", source, sink);
800 			SEND_PCLR(cif, source, sink);
801 			source = lbusin2out[sink][0];
802 		}
803 		if (*path++ & SPLIT_PATH) {
804 			unsigned char *npath = path;
805 
806 			while (*npath != 0xff)
807 				npath++;
808 			freelbuspath(cif, source + 1, ++npath);
809 		}
810 	}
811 }
812 
813 static int writearm(struct cmdif *cif, u32 addr, u32 data, u32 mask)
814 {
815 	union cmdret rptr = CMDRET_ZERO;
816 	unsigned int i = MAX_WRITE_RETRY;
817 	int flag = 1;
818 
819 	SEND_RMEM(cif, 0x02, addr, &rptr);
820 	rptr.retlongs[0] &= (~mask);
821 
822 	while (--i) {
823 		SEND_SMEM(cif, 0x01, addr);
824 		SEND_WMEM(cif, 0x02, (rptr.retlongs[0] | data));
825 		SEND_RMEM(cif, 0x02, addr, &rptr);
826 		if ((rptr.retlongs[0] & data) == data) {
827 			flag = 0;
828 			break;
829 		} else
830 			rptr.retlongs[0] &= ~mask;
831 	}
832 	snd_printdd("send arm 0x%x 0x%x 0x%x return %d\n", addr, data, mask,
833 		    flag);
834 	return flag;
835 }
836 
837 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
838 		   union cmdret *ret)
839 {
840 	int i, j;
841 	int err;
842 	unsigned int time = 0;
843 	unsigned long irqflags;
844 	struct riptideport *hwport;
845 	struct cmdport *cmdport = NULL;
846 
847 	if (snd_BUG_ON(!cif))
848 		return -EINVAL;
849 
850 	hwport = cif->hwport;
851 	if (cif->errcnt > MAX_ERROR_COUNT) {
852 		if (cif->is_reset) {
853 			snd_printk(KERN_ERR
854 				   "Riptide: Too many failed cmds, reinitializing\n");
855 			if (riptide_reset(cif, NULL) == 0) {
856 				cif->errcnt = 0;
857 				return -EIO;
858 			}
859 		}
860 		snd_printk(KERN_ERR "Riptide: Initialization failed.\n");
861 		return -EINVAL;
862 	}
863 	if (ret) {
864 		ret->retlongs[0] = 0;
865 		ret->retlongs[1] = 0;
866 	}
867 	i = 0;
868 	spin_lock_irqsave(&cif->lock, irqflags);
869 	while (i++ < CMDIF_TIMEOUT && !IS_READY(cif->hwport))
870 		udelay(10);
871 	if (i > CMDIF_TIMEOUT) {
872 		err = -EBUSY;
873 		goto errout;
874 	}
875 
876 	err = 0;
877 	for (j = 0, time = 0; time < CMDIF_TIMEOUT; j++, time += 2) {
878 		cmdport = &(hwport->port[j % 2]);
879 		if (IS_DATF(cmdport)) {	/* free pending data */
880 			READ_PORT_ULONG(cmdport->data1);
881 			READ_PORT_ULONG(cmdport->data2);
882 		}
883 		if (IS_CMDE(cmdport)) {
884 			if (flags & PARM)	/* put data */
885 				WRITE_PORT_ULONG(cmdport->data2, parm);
886 			WRITE_PORT_ULONG(cmdport->data1, cmd);	/* write cmd */
887 			if ((flags & RESP) && ret) {
888 				while (!IS_DATF(cmdport) &&
889 				       time < CMDIF_TIMEOUT) {
890 					udelay(10);
891 					time++;
892 				}
893 				if (time < CMDIF_TIMEOUT) {	/* read response */
894 					ret->retlongs[0] =
895 					    READ_PORT_ULONG(cmdport->data1);
896 					ret->retlongs[1] =
897 					    READ_PORT_ULONG(cmdport->data2);
898 				} else {
899 					err = -ENOSYS;
900 					goto errout;
901 				}
902 			}
903 			break;
904 		}
905 		udelay(20);
906 	}
907 	if (time == CMDIF_TIMEOUT) {
908 		err = -ENODATA;
909 		goto errout;
910 	}
911 	spin_unlock_irqrestore(&cif->lock, irqflags);
912 
913 	cif->cmdcnt++;		/* update command statistics */
914 	cif->cmdtime += time;
915 	if (time > cif->cmdtimemax)
916 		cif->cmdtimemax = time;
917 	if (time < cif->cmdtimemin)
918 		cif->cmdtimemin = time;
919 	if ((cif->cmdcnt) % 1000 == 0)
920 		snd_printdd
921 		    ("send cmd %d time: %d mintime: %d maxtime %d err: %d\n",
922 		     cif->cmdcnt, cif->cmdtime, cif->cmdtimemin,
923 		     cif->cmdtimemax, cif->errcnt);
924 	return 0;
925 
926       errout:
927 	cif->errcnt++;
928 	spin_unlock_irqrestore(&cif->lock, irqflags);
929 	snd_printdd
930 	    ("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",
931 	     cif->cmdcnt, (int)((void *)&(cmdport->stat) - (void *)hwport),
932 	     flags, cmd, parm, ret ? ret->retlongs[0] : 0,
933 	     ret ? ret->retlongs[1] : 0, IS_CMDE(cmdport), IS_DATF(cmdport),
934 	     err);
935 	return err;
936 }
937 
938 static int
939 setmixer(struct cmdif *cif, short num, unsigned short rval, unsigned short lval)
940 {
941 	union cmdret rptr = CMDRET_ZERO;
942 	int i = 0;
943 
944 	snd_printdd("sent mixer %d: 0x%x 0x%x\n", num, rval, lval);
945 	do {
946 		SEND_SDGV(cif, num, num, rval, lval);
947 		SEND_RDGV(cif, num, num, &rptr);
948 		if (rptr.retwords[0] == lval && rptr.retwords[1] == rval)
949 			return 0;
950 	} while (i++ < MAX_WRITE_RETRY);
951 	snd_printdd("sent mixer failed\n");
952 	return -EIO;
953 }
954 
955 static int getpaths(struct cmdif *cif, unsigned char *o)
956 {
957 	unsigned char src[E2SINK_MAX];
958 	unsigned char sink[E2SINK_MAX];
959 	int i, j = 0;
960 
961 	for (i = 0; i < E2SINK_MAX; i++) {
962 		getsourcesink(cif, i, i, &src[i], &sink[i]);
963 		if (sink[i] < E2SINK_MAX) {
964 			o[j++] = sink[i];
965 			o[j++] = i;
966 		}
967 	}
968 	return j;
969 }
970 
971 static int
972 getsourcesink(struct cmdif *cif, unsigned char source, unsigned char sink,
973 	      unsigned char *a, unsigned char *b)
974 {
975 	union cmdret rptr = CMDRET_ZERO;
976 
977 	if (SEND_RSSV(cif, source, sink, &rptr) &&
978 	    SEND_RSSV(cif, source, sink, &rptr))
979 		return -EIO;
980 	*a = rptr.retbytes[0];
981 	*b = rptr.retbytes[1];
982 	snd_printdd("getsourcesink 0x%x 0x%x\n", *a, *b);
983 	return 0;
984 }
985 
986 static int
987 getsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int *rate)
988 {
989 	unsigned char *s;
990 	unsigned int p[2] = { 0, 0 };
991 	int i;
992 	union cmdret rptr = CMDRET_ZERO;
993 
994 	s = intdec;
995 	for (i = 0; i < 2; i++) {
996 		if (*s != 0xff) {
997 			if (SEND_RSRC(cif, *s, &rptr) &&
998 			    SEND_RSRC(cif, *s, &rptr))
999 				return -EIO;
1000 			p[i] += rptr.retwords[1];
1001 			p[i] *= rptr.retwords[2];
1002 			p[i] += rptr.retwords[3];
1003 			p[i] /= 65536;
1004 		}
1005 		s++;
1006 	}
1007 	if (p[0]) {
1008 		if (p[1] != p[0])
1009 			snd_printdd("rates differ %d %d\n", p[0], p[1]);
1010 		*rate = (unsigned int)p[0];
1011 	} else
1012 		*rate = (unsigned int)p[1];
1013 	snd_printdd("getsampleformat %d %d %d\n", intdec[0], intdec[1], *rate);
1014 	return 0;
1015 }
1016 
1017 static int
1018 setsampleformat(struct cmdif *cif,
1019 		unsigned char mixer, unsigned char id,
1020 		unsigned char channels, snd_pcm_format_t format)
1021 {
1022 	unsigned char w, ch, sig, order;
1023 
1024 	snd_printdd
1025 	    ("setsampleformat mixer: %d id: %d channels: %d format: %d\n",
1026 	     mixer, id, channels, format);
1027 	ch = channels == 1;
1028 	w = snd_pcm_format_width(format) == 8;
1029 	sig = snd_pcm_format_unsigned(format) != 0;
1030 	order = snd_pcm_format_big_endian(format) != 0;
1031 
1032 	if (SEND_SETF(cif, mixer, w, ch, order, sig, id) &&
1033 	    SEND_SETF(cif, mixer, w, ch, order, sig, id)) {
1034 		snd_printdd("setsampleformat failed\n");
1035 		return -EIO;
1036 	}
1037 	return 0;
1038 }
1039 
1040 static int
1041 setsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int rate)
1042 {
1043 	u32 D, M, N;
1044 	union cmdret rptr = CMDRET_ZERO;
1045 	int i;
1046 
1047 	snd_printdd("setsamplerate intdec: %d,%d rate: %d\n", intdec[0],
1048 		    intdec[1], rate);
1049 	D = 48000;
1050 	M = ((rate == 48000) ? 47999 : rate) * 65536;
1051 	N = M % D;
1052 	M /= D;
1053 	for (i = 0; i < 2; i++) {
1054 		if (*intdec != 0xff) {
1055 			do {
1056 				SEND_SSRC(cif, *intdec, D, M, N);
1057 				SEND_RSRC(cif, *intdec, &rptr);
1058 			} while (rptr.retwords[1] != D &&
1059 				 rptr.retwords[2] != M &&
1060 				 rptr.retwords[3] != N &&
1061 				 i++ < MAX_WRITE_RETRY);
1062 			if (i > MAX_WRITE_RETRY) {
1063 				snd_printdd("sent samplerate %d: %d failed\n",
1064 					    *intdec, rate);
1065 				return -EIO;
1066 			}
1067 		}
1068 		intdec++;
1069 	}
1070 	return 0;
1071 }
1072 
1073 static int
1074 getmixer(struct cmdif *cif, short num, unsigned short *rval,
1075 	 unsigned short *lval)
1076 {
1077 	union cmdret rptr = CMDRET_ZERO;
1078 
1079 	if (SEND_RDGV(cif, num, num, &rptr) && SEND_RDGV(cif, num, num, &rptr))
1080 		return -EIO;
1081 	*rval = rptr.retwords[0];
1082 	*lval = rptr.retwords[1];
1083 	snd_printdd("got mixer %d: 0x%x 0x%x\n", num, *rval, *lval);
1084 	return 0;
1085 }
1086 
1087 static void riptide_handleirq(unsigned long dev_id)
1088 {
1089 	struct snd_riptide *chip = (void *)dev_id;
1090 	struct cmdif *cif = chip->cif;
1091 	struct snd_pcm_substream *substream[PLAYBACK_SUBSTREAMS + 1];
1092 	struct snd_pcm_runtime *runtime;
1093 	struct pcmhw *data = NULL;
1094 	unsigned int pos, period_bytes;
1095 	struct sgd *c;
1096 	int i, j;
1097 	unsigned int flag;
1098 
1099 	if (!cif)
1100 		return;
1101 
1102 	for (i = 0; i < PLAYBACK_SUBSTREAMS; i++)
1103 		substream[i] = chip->playback_substream[i];
1104 	substream[i] = chip->capture_substream;
1105 	for (i = 0; i < PLAYBACK_SUBSTREAMS + 1; i++) {
1106 		if (substream[i] &&
1107 		    (runtime = substream[i]->runtime) &&
1108 		    (data = runtime->private_data) && data->state != ST_STOP) {
1109 			pos = 0;
1110 			for (j = 0; j < data->pages; j++) {
1111 				c = &data->sgdbuf[j];
1112 				flag = le32_to_cpu(c->dwStat_Ctl);
1113 				if (flag & EOB_STATUS)
1114 					pos += le32_to_cpu(c->dwSegLen);
1115 				if (flag & EOC_STATUS)
1116 					pos += le32_to_cpu(c->dwSegLen);
1117 				if ((flag & EOS_STATUS)
1118 				    && (data->state == ST_PLAY)) {
1119 					data->state = ST_STOP;
1120 					snd_printk(KERN_ERR
1121 						   "Riptide: DMA stopped unexpectedly\n");
1122 				}
1123 				c->dwStat_Ctl =
1124 				    cpu_to_le32(flag &
1125 						~(EOS_STATUS | EOB_STATUS |
1126 						  EOC_STATUS));
1127 			}
1128 			data->pointer += pos;
1129 			pos += data->oldpos;
1130 			if (data->state != ST_STOP) {
1131 				period_bytes =
1132 				    frames_to_bytes(runtime,
1133 						    runtime->period_size);
1134 				snd_printdd
1135 				    ("interrupt 0x%x after 0x%lx of 0x%lx frames in period\n",
1136 				     READ_AUDIO_STATUS(cif->hwport),
1137 				     bytes_to_frames(runtime, pos),
1138 				     runtime->period_size);
1139 				j = 0;
1140 				if (pos >= period_bytes) {
1141 					j++;
1142 					while (pos >= period_bytes)
1143 						pos -= period_bytes;
1144 				}
1145 				data->oldpos = pos;
1146 				if (j > 0)
1147 					snd_pcm_period_elapsed(substream[i]);
1148 			}
1149 		}
1150 	}
1151 }
1152 
1153 #ifdef CONFIG_PM_SLEEP
1154 static int riptide_suspend(struct device *dev)
1155 {
1156 	struct snd_card *card = dev_get_drvdata(dev);
1157 	struct snd_riptide *chip = card->private_data;
1158 
1159 	chip->in_suspend = 1;
1160 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1161 	snd_ac97_suspend(chip->ac97);
1162 	return 0;
1163 }
1164 
1165 static int riptide_resume(struct device *dev)
1166 {
1167 	struct snd_card *card = dev_get_drvdata(dev);
1168 	struct snd_riptide *chip = card->private_data;
1169 
1170 	snd_riptide_initialize(chip);
1171 	snd_ac97_resume(chip->ac97);
1172 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1173 	chip->in_suspend = 0;
1174 	return 0;
1175 }
1176 
1177 static SIMPLE_DEV_PM_OPS(riptide_pm, riptide_suspend, riptide_resume);
1178 #define RIPTIDE_PM_OPS	&riptide_pm
1179 #else
1180 #define RIPTIDE_PM_OPS	NULL
1181 #endif /* CONFIG_PM_SLEEP */
1182 
1183 static int try_to_load_firmware(struct cmdif *cif, struct snd_riptide *chip)
1184 {
1185 	union firmware_version firmware = { .ret = CMDRET_ZERO };
1186 	int i, timeout, err;
1187 
1188 	for (i = 0; i < 2; i++) {
1189 		WRITE_PORT_ULONG(cif->hwport->port[i].data1, 0);
1190 		WRITE_PORT_ULONG(cif->hwport->port[i].data2, 0);
1191 	}
1192 	SET_GRESET(cif->hwport);
1193 	udelay(100);
1194 	UNSET_GRESET(cif->hwport);
1195 	udelay(100);
1196 
1197 	for (timeout = 100000; --timeout; udelay(10)) {
1198 		if (IS_READY(cif->hwport) && !IS_GERR(cif->hwport))
1199 			break;
1200 	}
1201 	if (!timeout) {
1202 		snd_printk(KERN_ERR
1203 			   "Riptide: device not ready, audio status: 0x%x "
1204 			   "ready: %d gerr: %d\n",
1205 			   READ_AUDIO_STATUS(cif->hwport),
1206 			   IS_READY(cif->hwport), IS_GERR(cif->hwport));
1207 		return -EIO;
1208 	} else {
1209 		snd_printdd
1210 			("Riptide: audio status: 0x%x ready: %d gerr: %d\n",
1211 			 READ_AUDIO_STATUS(cif->hwport),
1212 			 IS_READY(cif->hwport), IS_GERR(cif->hwport));
1213 	}
1214 
1215 	SEND_GETV(cif, &firmware.ret);
1216 	snd_printdd("Firmware version: ASIC: %d CODEC %d AUXDSP %d PROG %d\n",
1217 		    firmware.firmware.ASIC, firmware.firmware.CODEC,
1218 		    firmware.firmware.AUXDSP, firmware.firmware.PROG);
1219 
1220 	if (!chip)
1221 		return 1;
1222 
1223 	for (i = 0; i < FIRMWARE_VERSIONS; i++) {
1224 		if (!memcmp(&firmware_versions[i], &firmware, sizeof(firmware)))
1225 			return 1; /* OK */
1226 
1227 	}
1228 
1229 	snd_printdd("Writing Firmware\n");
1230 	if (!chip->fw_entry) {
1231 		err = request_firmware(&chip->fw_entry, "riptide.hex",
1232 				       &chip->pci->dev);
1233 		if (err) {
1234 			snd_printk(KERN_ERR
1235 				   "Riptide: Firmware not available %d\n", err);
1236 			return -EIO;
1237 		}
1238 	}
1239 	err = loadfirmware(cif, chip->fw_entry->data, chip->fw_entry->size);
1240 	if (err) {
1241 		snd_printk(KERN_ERR
1242 			   "Riptide: Could not load firmware %d\n", err);
1243 		return err;
1244 	}
1245 
1246 	chip->firmware = firmware;
1247 
1248 	return 1; /* OK */
1249 }
1250 
1251 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip)
1252 {
1253 	union cmdret rptr = CMDRET_ZERO;
1254 	int err, tries;
1255 
1256 	if (!cif)
1257 		return -EINVAL;
1258 
1259 	cif->cmdcnt = 0;
1260 	cif->cmdtime = 0;
1261 	cif->cmdtimemax = 0;
1262 	cif->cmdtimemin = 0xffffffff;
1263 	cif->errcnt = 0;
1264 	cif->is_reset = 0;
1265 
1266 	tries = RESET_TRIES;
1267 	do {
1268 		err = try_to_load_firmware(cif, chip);
1269 		if (err < 0)
1270 			return err;
1271 	} while (!err && --tries);
1272 
1273 	SEND_SACR(cif, 0, AC97_RESET);
1274 	SEND_RACR(cif, AC97_RESET, &rptr);
1275 	snd_printdd("AC97: 0x%x 0x%x\n", rptr.retlongs[0], rptr.retlongs[1]);
1276 
1277 	SEND_PLST(cif, 0);
1278 	SEND_SLST(cif, 0);
1279 	SEND_DLST(cif, 0);
1280 	SEND_ALST(cif, 0);
1281 	SEND_KDMA(cif);
1282 
1283 	writearm(cif, 0x301F8, 1, 1);
1284 	writearm(cif, 0x301F4, 1, 1);
1285 
1286 	SEND_LSEL(cif, MODEM_CMD, 0, 0, MODEM_INTDEC, MODEM_MERGER,
1287 		  MODEM_SPLITTER, MODEM_MIXER);
1288 	setmixer(cif, MODEM_MIXER, 0x7fff, 0x7fff);
1289 	alloclbuspath(cif, ARM2LBUS_FIFO13, lbus_play_modem, NULL, NULL);
1290 
1291 	SEND_LSEL(cif, FM_CMD, 0, 0, FM_INTDEC, FM_MERGER, FM_SPLITTER,
1292 		  FM_MIXER);
1293 	setmixer(cif, FM_MIXER, 0x7fff, 0x7fff);
1294 	writearm(cif, 0x30648 + FM_MIXER * 4, 0x01, 0x00000005);
1295 	writearm(cif, 0x301A8, 0x02, 0x00000002);
1296 	writearm(cif, 0x30264, 0x08, 0xffffffff);
1297 	alloclbuspath(cif, OPL3_SAMPLE, lbus_play_opl3, NULL, NULL);
1298 
1299 	SEND_SSRC(cif, I2S_INTDEC, 48000,
1300 		  ((u32) I2S_RATE * 65536) / 48000,
1301 		  ((u32) I2S_RATE * 65536) % 48000);
1302 	SEND_LSEL(cif, I2S_CMD0, 0, 0, I2S_INTDEC, I2S_MERGER, I2S_SPLITTER,
1303 		  I2S_MIXER);
1304 	SEND_SI2S(cif, 1);
1305 	alloclbuspath(cif, ARM2LBUS_FIFO0, lbus_play_i2s, NULL, NULL);
1306 	alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_out, NULL, NULL);
1307 	alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_outhp, NULL, NULL);
1308 
1309 	SET_AIACK(cif->hwport);
1310 	SET_AIE(cif->hwport);
1311 	SET_AIACK(cif->hwport);
1312 	cif->is_reset = 1;
1313 
1314 	return 0;
1315 }
1316 
1317 static const struct snd_pcm_hardware snd_riptide_playback = {
1318 	.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1319 		 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1320 		 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1321 	.formats =
1322 	    SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1323 	    | SNDRV_PCM_FMTBIT_U16_LE,
1324 	.rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1325 	.rate_min = 5500,
1326 	.rate_max = 48000,
1327 	.channels_min = 1,
1328 	.channels_max = 2,
1329 	.buffer_bytes_max = (64 * 1024),
1330 	.period_bytes_min = PAGE_SIZE >> 1,
1331 	.period_bytes_max = PAGE_SIZE << 8,
1332 	.periods_min = 2,
1333 	.periods_max = 64,
1334 	.fifo_size = 0,
1335 };
1336 static const struct snd_pcm_hardware snd_riptide_capture = {
1337 	.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1338 		 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1339 		 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1340 	.formats =
1341 	    SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1342 	    | SNDRV_PCM_FMTBIT_U16_LE,
1343 	.rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1344 	.rate_min = 5500,
1345 	.rate_max = 48000,
1346 	.channels_min = 1,
1347 	.channels_max = 2,
1348 	.buffer_bytes_max = (64 * 1024),
1349 	.period_bytes_min = PAGE_SIZE >> 1,
1350 	.period_bytes_max = PAGE_SIZE << 3,
1351 	.periods_min = 2,
1352 	.periods_max = 64,
1353 	.fifo_size = 0,
1354 };
1355 
1356 static snd_pcm_uframes_t snd_riptide_pointer(struct snd_pcm_substream
1357 					     *substream)
1358 {
1359 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1360 	struct snd_pcm_runtime *runtime = substream->runtime;
1361 	struct pcmhw *data = get_pcmhwdev(substream);
1362 	struct cmdif *cif = chip->cif;
1363 	union cmdret rptr = CMDRET_ZERO;
1364 	snd_pcm_uframes_t ret;
1365 
1366 	SEND_GPOS(cif, 0, data->id, &rptr);
1367 	if (data->size && runtime->period_size) {
1368 		snd_printdd
1369 		    ("pointer stream %d position 0x%x(0x%x in buffer) bytes 0x%lx(0x%lx in period) frames\n",
1370 		     data->id, rptr.retlongs[1], rptr.retlongs[1] % data->size,
1371 		     bytes_to_frames(runtime, rptr.retlongs[1]),
1372 		     bytes_to_frames(runtime,
1373 				     rptr.retlongs[1]) % runtime->period_size);
1374 		if (rptr.retlongs[1] > data->pointer)
1375 			ret =
1376 			    bytes_to_frames(runtime,
1377 					    rptr.retlongs[1] % data->size);
1378 		else
1379 			ret =
1380 			    bytes_to_frames(runtime,
1381 					    data->pointer % data->size);
1382 	} else {
1383 		snd_printdd("stream not started or strange parms (%d %ld)\n",
1384 			    data->size, runtime->period_size);
1385 		ret = bytes_to_frames(runtime, 0);
1386 	}
1387 	return ret;
1388 }
1389 
1390 static int snd_riptide_trigger(struct snd_pcm_substream *substream, int cmd)
1391 {
1392 	int i, j;
1393 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1394 	struct pcmhw *data = get_pcmhwdev(substream);
1395 	struct cmdif *cif = chip->cif;
1396 	union cmdret rptr = CMDRET_ZERO;
1397 
1398 	spin_lock(&chip->lock);
1399 	switch (cmd) {
1400 	case SNDRV_PCM_TRIGGER_START:
1401 	case SNDRV_PCM_TRIGGER_RESUME:
1402 		if (!(data->state & ST_PLAY)) {
1403 			SEND_SSTR(cif, data->id, data->sgdlist.addr);
1404 			SET_AIE(cif->hwport);
1405 			data->state = ST_PLAY;
1406 			if (data->mixer != 0xff)
1407 				setmixer(cif, data->mixer, 0x7fff, 0x7fff);
1408 			chip->openstreams++;
1409 			data->oldpos = 0;
1410 			data->pointer = 0;
1411 		}
1412 		break;
1413 	case SNDRV_PCM_TRIGGER_STOP:
1414 	case SNDRV_PCM_TRIGGER_SUSPEND:
1415 		if (data->mixer != 0xff)
1416 			setmixer(cif, data->mixer, 0, 0);
1417 		setmixer(cif, data->mixer, 0, 0);
1418 		SEND_KSTR(cif, data->id);
1419 		data->state = ST_STOP;
1420 		chip->openstreams--;
1421 		j = 0;
1422 		do {
1423 			i = rptr.retlongs[1];
1424 			SEND_GPOS(cif, 0, data->id, &rptr);
1425 			udelay(1);
1426 		} while (i != rptr.retlongs[1] && j++ < MAX_WRITE_RETRY);
1427 		if (j > MAX_WRITE_RETRY)
1428 			snd_printk(KERN_ERR "Riptide: Could not stop stream!");
1429 		break;
1430 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1431 		if (!(data->state & ST_PAUSE)) {
1432 			SEND_PSTR(cif, data->id);
1433 			data->state |= ST_PAUSE;
1434 			chip->openstreams--;
1435 		}
1436 		break;
1437 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1438 		if (data->state & ST_PAUSE) {
1439 			SEND_SSTR(cif, data->id, data->sgdlist.addr);
1440 			data->state &= ~ST_PAUSE;
1441 			chip->openstreams++;
1442 		}
1443 		break;
1444 	default:
1445 		spin_unlock(&chip->lock);
1446 		return -EINVAL;
1447 	}
1448 	spin_unlock(&chip->lock);
1449 	return 0;
1450 }
1451 
1452 static int snd_riptide_prepare(struct snd_pcm_substream *substream)
1453 {
1454 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1455 	struct snd_pcm_runtime *runtime = substream->runtime;
1456 	struct pcmhw *data = get_pcmhwdev(substream);
1457 	struct cmdif *cif = chip->cif;
1458 	unsigned char *lbuspath = NULL;
1459 	unsigned int rate, channels;
1460 	int err = 0;
1461 	snd_pcm_format_t format;
1462 
1463 	if (snd_BUG_ON(!cif || !data))
1464 		return -EINVAL;
1465 
1466 	snd_printdd("prepare id %d ch: %d f:0x%x r:%d\n", data->id,
1467 		    runtime->channels, runtime->format, runtime->rate);
1468 
1469 	spin_lock_irq(&chip->lock);
1470 	channels = runtime->channels;
1471 	format = runtime->format;
1472 	rate = runtime->rate;
1473 	switch (channels) {
1474 	case 1:
1475 		if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1476 			lbuspath = data->paths.noconv;
1477 		else
1478 			lbuspath = data->paths.mono;
1479 		break;
1480 	case 2:
1481 		if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1482 			lbuspath = data->paths.noconv;
1483 		else
1484 			lbuspath = data->paths.stereo;
1485 		break;
1486 	}
1487 	snd_printdd("use sgdlist at 0x%p\n",
1488 		    data->sgdlist.area);
1489 	if (data->sgdlist.area) {
1490 		unsigned int i, j, size, pages, f, pt, period;
1491 		struct sgd *c, *p = NULL;
1492 
1493 		size = frames_to_bytes(runtime, runtime->buffer_size);
1494 		period = frames_to_bytes(runtime, runtime->period_size);
1495 		f = PAGE_SIZE;
1496 		while ((size + (f >> 1) - 1) <= (f << 7) && (f << 1) > period)
1497 			f = f >> 1;
1498 		pages = DIV_ROUND_UP(size, f);
1499 		data->size = size;
1500 		data->pages = pages;
1501 		snd_printdd
1502 		    ("create sgd size: 0x%x pages %d of size 0x%x for period 0x%x\n",
1503 		     size, pages, f, period);
1504 		pt = 0;
1505 		j = 0;
1506 		for (i = 0; i < pages; i++) {
1507 			unsigned int ofs, addr;
1508 			c = &data->sgdbuf[i];
1509 			if (p)
1510 				p->dwNextLink = cpu_to_le32(data->sgdlist.addr +
1511 							    (i *
1512 							     sizeof(struct
1513 								    sgd)));
1514 			c->dwNextLink = cpu_to_le32(data->sgdlist.addr);
1515 			ofs = j << PAGE_SHIFT;
1516 			addr = snd_pcm_sgbuf_get_addr(substream, ofs) + pt;
1517 			c->dwSegPtrPhys = cpu_to_le32(addr);
1518 			pt = (pt + f) % PAGE_SIZE;
1519 			if (pt == 0)
1520 				j++;
1521 			c->dwSegLen = cpu_to_le32(f);
1522 			c->dwStat_Ctl =
1523 			    cpu_to_le32(IEOB_ENABLE | IEOS_ENABLE |
1524 					IEOC_ENABLE);
1525 			p = c;
1526 			size -= f;
1527 		}
1528 		data->sgdbuf[i].dwSegLen = cpu_to_le32(size);
1529 	}
1530 	if (lbuspath && lbuspath != data->lbuspath) {
1531 		if (data->lbuspath)
1532 			freelbuspath(cif, data->source, data->lbuspath);
1533 		alloclbuspath(cif, data->source, lbuspath,
1534 			      &data->mixer, data->intdec);
1535 		data->lbuspath = lbuspath;
1536 		data->rate = 0;
1537 	}
1538 	if (data->rate != rate || data->format != format ||
1539 	    data->channels != channels) {
1540 		data->rate = rate;
1541 		data->format = format;
1542 		data->channels = channels;
1543 		if (setsampleformat
1544 		    (cif, data->mixer, data->id, channels, format)
1545 		    || setsamplerate(cif, data->intdec, rate))
1546 			err = -EIO;
1547 	}
1548 	spin_unlock_irq(&chip->lock);
1549 	return err;
1550 }
1551 
1552 static int
1553 snd_riptide_hw_params(struct snd_pcm_substream *substream,
1554 		      struct snd_pcm_hw_params *hw_params)
1555 {
1556 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1557 	struct pcmhw *data = get_pcmhwdev(substream);
1558 	struct snd_dma_buffer *sgdlist = &data->sgdlist;
1559 	int err;
1560 
1561 	snd_printdd("hw params id %d (sgdlist: 0x%p 0x%lx %d)\n", data->id,
1562 		    sgdlist->area, (unsigned long)sgdlist->addr,
1563 		    (int)sgdlist->bytes);
1564 	if (sgdlist->area)
1565 		snd_dma_free_pages(sgdlist);
1566 	if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
1567 				       snd_dma_pci_data(chip->pci),
1568 				       sizeof(struct sgd) * (DESC_MAX_MASK + 1),
1569 				       sgdlist)) < 0) {
1570 		snd_printk(KERN_ERR "Riptide: failed to alloc %d dma bytes\n",
1571 			   (int)sizeof(struct sgd) * (DESC_MAX_MASK + 1));
1572 		return err;
1573 	}
1574 	data->sgdbuf = (struct sgd *)sgdlist->area;
1575 	return snd_pcm_lib_malloc_pages(substream,
1576 					params_buffer_bytes(hw_params));
1577 }
1578 
1579 static int snd_riptide_hw_free(struct snd_pcm_substream *substream)
1580 {
1581 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1582 	struct pcmhw *data = get_pcmhwdev(substream);
1583 	struct cmdif *cif = chip->cif;
1584 
1585 	if (cif && data) {
1586 		if (data->lbuspath)
1587 			freelbuspath(cif, data->source, data->lbuspath);
1588 		data->lbuspath = NULL;
1589 		data->source = 0xff;
1590 		data->intdec[0] = 0xff;
1591 		data->intdec[1] = 0xff;
1592 
1593 		if (data->sgdlist.area) {
1594 			snd_dma_free_pages(&data->sgdlist);
1595 			data->sgdlist.area = NULL;
1596 		}
1597 	}
1598 	return snd_pcm_lib_free_pages(substream);
1599 }
1600 
1601 static int snd_riptide_playback_open(struct snd_pcm_substream *substream)
1602 {
1603 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1604 	struct snd_pcm_runtime *runtime = substream->runtime;
1605 	struct pcmhw *data;
1606 	int sub_num = substream->number;
1607 
1608 	chip->playback_substream[sub_num] = substream;
1609 	runtime->hw = snd_riptide_playback;
1610 
1611 	data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1612 	if (data == NULL)
1613 		return -ENOMEM;
1614 	data->paths = lbus_play_paths[sub_num];
1615 	data->id = play_ids[sub_num];
1616 	data->source = play_sources[sub_num];
1617 	data->intdec[0] = 0xff;
1618 	data->intdec[1] = 0xff;
1619 	data->state = ST_STOP;
1620 	runtime->private_data = data;
1621 	return snd_pcm_hw_constraint_integer(runtime,
1622 					     SNDRV_PCM_HW_PARAM_PERIODS);
1623 }
1624 
1625 static int snd_riptide_capture_open(struct snd_pcm_substream *substream)
1626 {
1627 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1628 	struct snd_pcm_runtime *runtime = substream->runtime;
1629 	struct pcmhw *data;
1630 
1631 	chip->capture_substream = substream;
1632 	runtime->hw = snd_riptide_capture;
1633 
1634 	data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1635 	if (data == NULL)
1636 		return -ENOMEM;
1637 	data->paths = lbus_rec_path;
1638 	data->id = PADC;
1639 	data->source = ACLNK2PADC;
1640 	data->intdec[0] = 0xff;
1641 	data->intdec[1] = 0xff;
1642 	data->state = ST_STOP;
1643 	runtime->private_data = data;
1644 	return snd_pcm_hw_constraint_integer(runtime,
1645 					     SNDRV_PCM_HW_PARAM_PERIODS);
1646 }
1647 
1648 static int snd_riptide_playback_close(struct snd_pcm_substream *substream)
1649 {
1650 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1651 	struct pcmhw *data = get_pcmhwdev(substream);
1652 	int sub_num = substream->number;
1653 
1654 	substream->runtime->private_data = NULL;
1655 	chip->playback_substream[sub_num] = NULL;
1656 	kfree(data);
1657 	return 0;
1658 }
1659 
1660 static int snd_riptide_capture_close(struct snd_pcm_substream *substream)
1661 {
1662 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1663 	struct pcmhw *data = get_pcmhwdev(substream);
1664 
1665 	substream->runtime->private_data = NULL;
1666 	chip->capture_substream = NULL;
1667 	kfree(data);
1668 	return 0;
1669 }
1670 
1671 static const struct snd_pcm_ops snd_riptide_playback_ops = {
1672 	.open = snd_riptide_playback_open,
1673 	.close = snd_riptide_playback_close,
1674 	.ioctl = snd_pcm_lib_ioctl,
1675 	.hw_params = snd_riptide_hw_params,
1676 	.hw_free = snd_riptide_hw_free,
1677 	.prepare = snd_riptide_prepare,
1678 	.page = snd_pcm_sgbuf_ops_page,
1679 	.trigger = snd_riptide_trigger,
1680 	.pointer = snd_riptide_pointer,
1681 };
1682 static const struct snd_pcm_ops snd_riptide_capture_ops = {
1683 	.open = snd_riptide_capture_open,
1684 	.close = snd_riptide_capture_close,
1685 	.ioctl = snd_pcm_lib_ioctl,
1686 	.hw_params = snd_riptide_hw_params,
1687 	.hw_free = snd_riptide_hw_free,
1688 	.prepare = snd_riptide_prepare,
1689 	.page = snd_pcm_sgbuf_ops_page,
1690 	.trigger = snd_riptide_trigger,
1691 	.pointer = snd_riptide_pointer,
1692 };
1693 
1694 static int snd_riptide_pcm(struct snd_riptide *chip, int device)
1695 {
1696 	struct snd_pcm *pcm;
1697 	int err;
1698 
1699 	if ((err =
1700 	     snd_pcm_new(chip->card, "RIPTIDE", device, PLAYBACK_SUBSTREAMS, 1,
1701 			 &pcm)) < 0)
1702 		return err;
1703 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1704 			&snd_riptide_playback_ops);
1705 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1706 			&snd_riptide_capture_ops);
1707 	pcm->private_data = chip;
1708 	pcm->info_flags = 0;
1709 	strcpy(pcm->name, "RIPTIDE");
1710 	chip->pcm = pcm;
1711 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1712 					      snd_dma_pci_data(chip->pci),
1713 					      64 * 1024, 128 * 1024);
1714 	return 0;
1715 }
1716 
1717 static irqreturn_t
1718 snd_riptide_interrupt(int irq, void *dev_id)
1719 {
1720 	struct snd_riptide *chip = dev_id;
1721 	struct cmdif *cif = chip->cif;
1722 
1723 	if (cif) {
1724 		chip->received_irqs++;
1725 		if (IS_EOBIRQ(cif->hwport) || IS_EOSIRQ(cif->hwport) ||
1726 		    IS_EOCIRQ(cif->hwport)) {
1727 			chip->handled_irqs++;
1728 			tasklet_schedule(&chip->riptide_tq);
1729 		}
1730 		if (chip->rmidi && IS_MPUIRQ(cif->hwport)) {
1731 			chip->handled_irqs++;
1732 			snd_mpu401_uart_interrupt(irq,
1733 						  chip->rmidi->private_data);
1734 		}
1735 		SET_AIACK(cif->hwport);
1736 	}
1737 	return IRQ_HANDLED;
1738 }
1739 
1740 static void
1741 snd_riptide_codec_write(struct snd_ac97 *ac97, unsigned short reg,
1742 			unsigned short val)
1743 {
1744 	struct snd_riptide *chip = ac97->private_data;
1745 	struct cmdif *cif = chip->cif;
1746 	union cmdret rptr = CMDRET_ZERO;
1747 	int i = 0;
1748 
1749 	if (snd_BUG_ON(!cif))
1750 		return;
1751 
1752 	snd_printdd("Write AC97 reg 0x%x 0x%x\n", reg, val);
1753 	do {
1754 		SEND_SACR(cif, val, reg);
1755 		SEND_RACR(cif, reg, &rptr);
1756 	} while (rptr.retwords[1] != val && i++ < MAX_WRITE_RETRY);
1757 	if (i > MAX_WRITE_RETRY)
1758 		snd_printdd("Write AC97 reg failed\n");
1759 }
1760 
1761 static unsigned short snd_riptide_codec_read(struct snd_ac97 *ac97,
1762 					     unsigned short reg)
1763 {
1764 	struct snd_riptide *chip = ac97->private_data;
1765 	struct cmdif *cif = chip->cif;
1766 	union cmdret rptr = CMDRET_ZERO;
1767 
1768 	if (snd_BUG_ON(!cif))
1769 		return 0;
1770 
1771 	if (SEND_RACR(cif, reg, &rptr) != 0)
1772 		SEND_RACR(cif, reg, &rptr);
1773 	snd_printdd("Read AC97 reg 0x%x got 0x%x\n", reg, rptr.retwords[1]);
1774 	return rptr.retwords[1];
1775 }
1776 
1777 static int snd_riptide_initialize(struct snd_riptide *chip)
1778 {
1779 	struct cmdif *cif;
1780 	unsigned int device_id;
1781 	int err;
1782 
1783 	if (snd_BUG_ON(!chip))
1784 		return -EINVAL;
1785 
1786 	cif = chip->cif;
1787 	if (!cif) {
1788 		if ((cif = kzalloc(sizeof(struct cmdif), GFP_KERNEL)) == NULL)
1789 			return -ENOMEM;
1790 		cif->hwport = (struct riptideport *)chip->port;
1791 		spin_lock_init(&cif->lock);
1792 		chip->cif = cif;
1793 	}
1794 	cif->is_reset = 0;
1795 	if ((err = riptide_reset(cif, chip)) != 0)
1796 		return err;
1797 	device_id = chip->device_id;
1798 	switch (device_id) {
1799 	case 0x4310:
1800 	case 0x4320:
1801 	case 0x4330:
1802 		snd_printdd("Modem enable?\n");
1803 		SEND_SETDPLL(cif);
1804 		break;
1805 	}
1806 	snd_printdd("Enabling MPU IRQs\n");
1807 	if (chip->rmidi)
1808 		SET_EMPUIRQ(cif->hwport);
1809 	return err;
1810 }
1811 
1812 static int snd_riptide_free(struct snd_riptide *chip)
1813 {
1814 	struct cmdif *cif;
1815 
1816 	if (!chip)
1817 		return 0;
1818 
1819 	if ((cif = chip->cif)) {
1820 		SET_GRESET(cif->hwport);
1821 		udelay(100);
1822 		UNSET_GRESET(cif->hwport);
1823 		kfree(chip->cif);
1824 	}
1825 	if (chip->irq >= 0)
1826 		free_irq(chip->irq, chip);
1827 	release_firmware(chip->fw_entry);
1828 	release_and_free_resource(chip->res_port);
1829 	kfree(chip);
1830 	return 0;
1831 }
1832 
1833 static int snd_riptide_dev_free(struct snd_device *device)
1834 {
1835 	struct snd_riptide *chip = device->device_data;
1836 
1837 	return snd_riptide_free(chip);
1838 }
1839 
1840 static int
1841 snd_riptide_create(struct snd_card *card, struct pci_dev *pci,
1842 		   struct snd_riptide **rchip)
1843 {
1844 	struct snd_riptide *chip;
1845 	struct riptideport *hwport;
1846 	int err;
1847 	static struct snd_device_ops ops = {
1848 		.dev_free = snd_riptide_dev_free,
1849 	};
1850 
1851 	*rchip = NULL;
1852 	if ((err = pci_enable_device(pci)) < 0)
1853 		return err;
1854 	if (!(chip = kzalloc(sizeof(struct snd_riptide), GFP_KERNEL)))
1855 		return -ENOMEM;
1856 
1857 	spin_lock_init(&chip->lock);
1858 	chip->card = card;
1859 	chip->pci = pci;
1860 	chip->irq = -1;
1861 	chip->openstreams = 0;
1862 	chip->port = pci_resource_start(pci, 0);
1863 	chip->received_irqs = 0;
1864 	chip->handled_irqs = 0;
1865 	chip->cif = NULL;
1866 	tasklet_init(&chip->riptide_tq, riptide_handleirq, (unsigned long)chip);
1867 
1868 	if ((chip->res_port =
1869 	     request_region(chip->port, 64, "RIPTIDE")) == NULL) {
1870 		snd_printk(KERN_ERR
1871 			   "Riptide: unable to grab region 0x%lx-0x%lx\n",
1872 			   chip->port, chip->port + 64 - 1);
1873 		snd_riptide_free(chip);
1874 		return -EBUSY;
1875 	}
1876 	hwport = (struct riptideport *)chip->port;
1877 	UNSET_AIE(hwport);
1878 
1879 	if (request_irq(pci->irq, snd_riptide_interrupt, IRQF_SHARED,
1880 			KBUILD_MODNAME, chip)) {
1881 		snd_printk(KERN_ERR "Riptide: unable to grab IRQ %d\n",
1882 			   pci->irq);
1883 		snd_riptide_free(chip);
1884 		return -EBUSY;
1885 	}
1886 	chip->irq = pci->irq;
1887 	chip->device_id = pci->device;
1888 	pci_set_master(pci);
1889 	if ((err = snd_riptide_initialize(chip)) < 0) {
1890 		snd_riptide_free(chip);
1891 		return err;
1892 	}
1893 
1894 	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1895 		snd_riptide_free(chip);
1896 		return err;
1897 	}
1898 
1899 	*rchip = chip;
1900 	return 0;
1901 }
1902 
1903 static void
1904 snd_riptide_proc_read(struct snd_info_entry *entry,
1905 		      struct snd_info_buffer *buffer)
1906 {
1907 	struct snd_riptide *chip = entry->private_data;
1908 	struct pcmhw *data;
1909 	int i;
1910 	struct cmdif *cif = NULL;
1911 	unsigned char p[256];
1912 	unsigned short rval = 0, lval = 0;
1913 	unsigned int rate;
1914 
1915 	if (!chip)
1916 		return;
1917 
1918 	snd_iprintf(buffer, "%s\n\n", chip->card->longname);
1919 	snd_iprintf(buffer, "Device ID: 0x%x\nReceived IRQs: (%ld)%ld\nPorts:",
1920 		    chip->device_id, chip->handled_irqs, chip->received_irqs);
1921 	for (i = 0; i < 64; i += 4)
1922 		snd_iprintf(buffer, "%c%02x: %08x",
1923 			    (i % 16) ? ' ' : '\n', i, inl(chip->port + i));
1924 	if ((cif = chip->cif)) {
1925 		snd_iprintf(buffer,
1926 			    "\nVersion: ASIC: %d CODEC: %d AUXDSP: %d PROG: %d",
1927 			    chip->firmware.firmware.ASIC,
1928 			    chip->firmware.firmware.CODEC,
1929 			    chip->firmware.firmware.AUXDSP,
1930 			    chip->firmware.firmware.PROG);
1931 		snd_iprintf(buffer, "\nDigital mixer:");
1932 		for (i = 0; i < 12; i++) {
1933 			getmixer(cif, i, &rval, &lval);
1934 			snd_iprintf(buffer, "\n %d: %d %d", i, rval, lval);
1935 		}
1936 		snd_iprintf(buffer,
1937 			    "\nARM Commands num: %d failed: %d time: %d max: %d min: %d",
1938 			    cif->cmdcnt, cif->errcnt,
1939 			    cif->cmdtime, cif->cmdtimemax, cif->cmdtimemin);
1940 	}
1941 	snd_iprintf(buffer, "\nOpen streams %d:\n", chip->openstreams);
1942 	for (i = 0; i < PLAYBACK_SUBSTREAMS; i++) {
1943 		if (chip->playback_substream[i]
1944 		    && chip->playback_substream[i]->runtime
1945 		    && (data =
1946 			chip->playback_substream[i]->runtime->private_data)) {
1947 			snd_iprintf(buffer,
1948 				    "stream: %d mixer: %d source: %d (%d,%d)\n",
1949 				    data->id, data->mixer, data->source,
1950 				    data->intdec[0], data->intdec[1]);
1951 			if (!(getsamplerate(cif, data->intdec, &rate)))
1952 				snd_iprintf(buffer, "rate: %d\n", rate);
1953 		}
1954 	}
1955 	if (chip->capture_substream
1956 	    && chip->capture_substream->runtime
1957 	    && (data = chip->capture_substream->runtime->private_data)) {
1958 		snd_iprintf(buffer,
1959 			    "stream: %d mixer: %d source: %d (%d,%d)\n",
1960 			    data->id, data->mixer,
1961 			    data->source, data->intdec[0], data->intdec[1]);
1962 		if (!(getsamplerate(cif, data->intdec, &rate)))
1963 			snd_iprintf(buffer, "rate: %d\n", rate);
1964 	}
1965 	snd_iprintf(buffer, "Paths:\n");
1966 	i = getpaths(cif, p);
1967 	while (i >= 2) {
1968 		i -= 2;
1969 		snd_iprintf(buffer, "%x->%x ", p[i], p[i + 1]);
1970 	}
1971 	snd_iprintf(buffer, "\n");
1972 }
1973 
1974 static void snd_riptide_proc_init(struct snd_riptide *chip)
1975 {
1976 	snd_card_ro_proc_new(chip->card, "riptide", chip,
1977 			     snd_riptide_proc_read);
1978 }
1979 
1980 static int snd_riptide_mixer(struct snd_riptide *chip)
1981 {
1982 	struct snd_ac97_bus *pbus;
1983 	struct snd_ac97_template ac97;
1984 	int err = 0;
1985 	static struct snd_ac97_bus_ops ops = {
1986 		.write = snd_riptide_codec_write,
1987 		.read = snd_riptide_codec_read,
1988 	};
1989 
1990 	memset(&ac97, 0, sizeof(ac97));
1991 	ac97.private_data = chip;
1992 	ac97.scaps = AC97_SCAP_SKIP_MODEM;
1993 
1994 	if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0)
1995 		return err;
1996 
1997 	chip->ac97_bus = pbus;
1998 	ac97.pci = chip->pci;
1999 	if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97)) < 0)
2000 		return err;
2001 	return err;
2002 }
2003 
2004 #ifdef SUPPORT_JOYSTICK
2005 
2006 static int
2007 snd_riptide_joystick_probe(struct pci_dev *pci, const struct pci_device_id *id)
2008 {
2009 	static int dev;
2010 	struct gameport *gameport;
2011 	int ret;
2012 
2013 	if (dev >= SNDRV_CARDS)
2014 		return -ENODEV;
2015 
2016 	if (!enable[dev]) {
2017 		ret = -ENOENT;
2018 		goto inc_dev;
2019 	}
2020 
2021 	if (!joystick_port[dev]) {
2022 		ret = 0;
2023 		goto inc_dev;
2024 	}
2025 
2026 	gameport = gameport_allocate_port();
2027 	if (!gameport) {
2028 		ret = -ENOMEM;
2029 		goto inc_dev;
2030 	}
2031 	if (!request_region(joystick_port[dev], 8, "Riptide gameport")) {
2032 		snd_printk(KERN_WARNING
2033 			   "Riptide: cannot grab gameport 0x%x\n",
2034 			   joystick_port[dev]);
2035 		gameport_free_port(gameport);
2036 		ret = -EBUSY;
2037 		goto inc_dev;
2038 	}
2039 
2040 	gameport->io = joystick_port[dev];
2041 	gameport_register_port(gameport);
2042 	pci_set_drvdata(pci, gameport);
2043 
2044 	ret = 0;
2045 inc_dev:
2046 	dev++;
2047 	return ret;
2048 }
2049 
2050 static void snd_riptide_joystick_remove(struct pci_dev *pci)
2051 {
2052 	struct gameport *gameport = pci_get_drvdata(pci);
2053 	if (gameport) {
2054 		release_region(gameport->io, 8);
2055 		gameport_unregister_port(gameport);
2056 	}
2057 }
2058 #endif
2059 
2060 static int
2061 snd_card_riptide_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2062 {
2063 	static int dev;
2064 	struct snd_card *card;
2065 	struct snd_riptide *chip;
2066 	unsigned short val;
2067 	int err;
2068 
2069 	if (dev >= SNDRV_CARDS)
2070 		return -ENODEV;
2071 	if (!enable[dev]) {
2072 		dev++;
2073 		return -ENOENT;
2074 	}
2075 
2076 	err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2077 			   0, &card);
2078 	if (err < 0)
2079 		return err;
2080 	err = snd_riptide_create(card, pci, &chip);
2081 	if (err < 0)
2082 		goto error;
2083 	card->private_data = chip;
2084 	err = snd_riptide_pcm(chip, 0);
2085 	if (err < 0)
2086 		goto error;
2087 	err = snd_riptide_mixer(chip);
2088 	if (err < 0)
2089 		goto error;
2090 
2091 	val = LEGACY_ENABLE_ALL;
2092 	if (opl3_port[dev])
2093 		val |= LEGACY_ENABLE_FM;
2094 #ifdef SUPPORT_JOYSTICK
2095 	if (joystick_port[dev])
2096 		val |= LEGACY_ENABLE_GAMEPORT;
2097 #endif
2098 	if (mpu_port[dev])
2099 		val |= LEGACY_ENABLE_MPU_INT | LEGACY_ENABLE_MPU;
2100 	val |= (chip->irq << 4) & 0xf0;
2101 	pci_write_config_word(chip->pci, PCI_EXT_Legacy_Mask, val);
2102 	if (mpu_port[dev]) {
2103 		val = mpu_port[dev];
2104 		pci_write_config_word(chip->pci, PCI_EXT_MPU_Base, val);
2105 		err = snd_mpu401_uart_new(card, 0, MPU401_HW_RIPTIDE,
2106 					  val, MPU401_INFO_IRQ_HOOK, -1,
2107 					  &chip->rmidi);
2108 		if (err < 0)
2109 			snd_printk(KERN_WARNING
2110 				   "Riptide: Can't Allocate MPU at 0x%x\n",
2111 				   val);
2112 		else
2113 			chip->mpuaddr = val;
2114 	}
2115 	if (opl3_port[dev]) {
2116 		val = opl3_port[dev];
2117 		pci_write_config_word(chip->pci, PCI_EXT_FM_Base, val);
2118 		err = snd_opl3_create(card, val, val + 2,
2119 				      OPL3_HW_RIPTIDE, 0, &chip->opl3);
2120 		if (err < 0)
2121 			snd_printk(KERN_WARNING
2122 				   "Riptide: Can't Allocate OPL3 at 0x%x\n",
2123 				   val);
2124 		else {
2125 			chip->opladdr = val;
2126 			err = snd_opl3_hwdep_new(chip->opl3, 0, 1, NULL);
2127 			if (err < 0)
2128 				snd_printk(KERN_WARNING
2129 					   "Riptide: Can't Allocate OPL3-HWDEP\n");
2130 		}
2131 	}
2132 #ifdef SUPPORT_JOYSTICK
2133 	if (joystick_port[dev]) {
2134 		val = joystick_port[dev];
2135 		pci_write_config_word(chip->pci, PCI_EXT_Game_Base, val);
2136 		chip->gameaddr = val;
2137 	}
2138 #endif
2139 
2140 	strcpy(card->driver, "RIPTIDE");
2141 	strcpy(card->shortname, "Riptide");
2142 #ifdef SUPPORT_JOYSTICK
2143 	snprintf(card->longname, sizeof(card->longname),
2144 		 "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x gameport 0x%x",
2145 		 card->shortname, chip->port, chip->irq, chip->mpuaddr,
2146 		 chip->opladdr, chip->gameaddr);
2147 #else
2148 	snprintf(card->longname, sizeof(card->longname),
2149 		 "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x",
2150 		 card->shortname, chip->port, chip->irq, chip->mpuaddr,
2151 		 chip->opladdr);
2152 #endif
2153 	snd_riptide_proc_init(chip);
2154 	err = snd_card_register(card);
2155 	if (err < 0)
2156 		goto error;
2157 	pci_set_drvdata(pci, card);
2158 	dev++;
2159 	return 0;
2160 
2161  error:
2162 	snd_card_free(card);
2163 	return err;
2164 }
2165 
2166 static void snd_card_riptide_remove(struct pci_dev *pci)
2167 {
2168 	snd_card_free(pci_get_drvdata(pci));
2169 }
2170 
2171 static struct pci_driver driver = {
2172 	.name = KBUILD_MODNAME,
2173 	.id_table = snd_riptide_ids,
2174 	.probe = snd_card_riptide_probe,
2175 	.remove = snd_card_riptide_remove,
2176 	.driver = {
2177 		.pm = RIPTIDE_PM_OPS,
2178 	},
2179 };
2180 
2181 #ifdef SUPPORT_JOYSTICK
2182 static struct pci_driver joystick_driver = {
2183 	.name = KBUILD_MODNAME "-joystick",
2184 	.id_table = snd_riptide_joystick_ids,
2185 	.probe = snd_riptide_joystick_probe,
2186 	.remove = snd_riptide_joystick_remove,
2187 };
2188 #endif
2189 
2190 static int __init alsa_card_riptide_init(void)
2191 {
2192 	int err;
2193 	err = pci_register_driver(&driver);
2194 	if (err < 0)
2195 		return err;
2196 #if defined(SUPPORT_JOYSTICK)
2197 	err = pci_register_driver(&joystick_driver);
2198 	/* On failure unregister formerly registered audio driver */
2199 	if (err < 0)
2200 		pci_unregister_driver(&driver);
2201 #endif
2202 	return err;
2203 }
2204 
2205 static void __exit alsa_card_riptide_exit(void)
2206 {
2207 	pci_unregister_driver(&driver);
2208 #if defined(SUPPORT_JOYSTICK)
2209 	pci_unregister_driver(&joystick_driver);
2210 #endif
2211 }
2212 
2213 module_init(alsa_card_riptide_init);
2214 module_exit(alsa_card_riptide_exit);
2215