xref: /openbmc/linux/sound/pci/riptide/riptide.c (revision df2634f43f5106947f3735a0b61a6527a4b278cd)
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 <asm/io.h>
102 #include <sound/core.h>
103 #include <sound/info.h>
104 #include <sound/control.h>
105 #include <sound/pcm.h>
106 #include <sound/pcm_params.h>
107 #include <sound/ac97_codec.h>
108 #include <sound/mpu401.h>
109 #include <sound/opl3.h>
110 #include <sound/initval.h>
111 
112 #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
113 #define SUPPORT_JOYSTICK 1
114 #endif
115 
116 MODULE_AUTHOR("Peter Gruber <nokos@gmx.net>");
117 MODULE_DESCRIPTION("riptide");
118 MODULE_LICENSE("GPL");
119 MODULE_SUPPORTED_DEVICE("{{Conexant,Riptide}}");
120 MODULE_FIRMWARE("riptide.hex");
121 
122 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
123 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
124 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
125 
126 #ifdef SUPPORT_JOYSTICK
127 static int joystick_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x200 };
128 #endif
129 static int mpu_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x330 };
130 static int opl3_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x388 };
131 
132 module_param_array(index, int, NULL, 0444);
133 MODULE_PARM_DESC(index, "Index value for Riptide soundcard.");
134 module_param_array(id, charp, NULL, 0444);
135 MODULE_PARM_DESC(id, "ID string for Riptide soundcard.");
136 module_param_array(enable, bool, NULL, 0444);
137 MODULE_PARM_DESC(enable, "Enable Riptide soundcard.");
138 #ifdef SUPPORT_JOYSTICK
139 module_param_array(joystick_port, int, NULL, 0444);
140 MODULE_PARM_DESC(joystick_port, "Joystick port # for Riptide soundcard.");
141 #endif
142 module_param_array(mpu_port, int, NULL, 0444);
143 MODULE_PARM_DESC(mpu_port, "MPU401 port # for Riptide driver.");
144 module_param_array(opl3_port, int, NULL, 0444);
145 MODULE_PARM_DESC(opl3_port, "OPL3 port # for Riptide driver.");
146 
147 /*
148  */
149 
150 #define MPU401_HW_RIPTIDE MPU401_HW_MPU401
151 #define OPL3_HW_RIPTIDE   OPL3_HW_OPL3
152 
153 #define PCI_EXT_CapId       0x40
154 #define PCI_EXT_NextCapPrt  0x41
155 #define PCI_EXT_PWMC        0x42
156 #define PCI_EXT_PWSCR       0x44
157 #define PCI_EXT_Data00      0x46
158 #define PCI_EXT_PMSCR_BSE   0x47
159 #define PCI_EXT_SB_Base     0x48
160 #define PCI_EXT_FM_Base     0x4a
161 #define PCI_EXT_MPU_Base    0x4C
162 #define PCI_EXT_Game_Base   0x4E
163 #define PCI_EXT_Legacy_Mask 0x50
164 #define PCI_EXT_AsicRev     0x52
165 #define PCI_EXT_Reserved3   0x53
166 
167 #define LEGACY_ENABLE_ALL      0x8000	/* legacy device options */
168 #define LEGACY_ENABLE_SB       0x4000
169 #define LEGACY_ENABLE_FM       0x2000
170 #define LEGACY_ENABLE_MPU_INT  0x1000
171 #define LEGACY_ENABLE_MPU      0x0800
172 #define LEGACY_ENABLE_GAMEPORT 0x0400
173 
174 #define MAX_WRITE_RETRY  10	/* cmd interface limits */
175 #define MAX_ERROR_COUNT  10
176 #define CMDIF_TIMEOUT    50000
177 #define RESET_TRIES      5
178 
179 #define READ_PORT_ULONG(p)     inl((unsigned long)&(p))
180 #define WRITE_PORT_ULONG(p,x)  outl(x,(unsigned long)&(p))
181 
182 #define READ_AUDIO_CONTROL(p)     READ_PORT_ULONG(p->audio_control)
183 #define WRITE_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,x)
184 #define UMASK_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)|x)
185 #define MASK_AUDIO_CONTROL(p,x)   WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)&x)
186 #define READ_AUDIO_STATUS(p)      READ_PORT_ULONG(p->audio_status)
187 
188 #define SET_GRESET(p)     UMASK_AUDIO_CONTROL(p,0x0001)	/* global reset switch */
189 #define UNSET_GRESET(p)   MASK_AUDIO_CONTROL(p,~0x0001)
190 #define SET_AIE(p)        UMASK_AUDIO_CONTROL(p,0x0004)	/* interrupt enable */
191 #define UNSET_AIE(p)      MASK_AUDIO_CONTROL(p,~0x0004)
192 #define SET_AIACK(p)      UMASK_AUDIO_CONTROL(p,0x0008)	/* interrupt acknowledge */
193 #define UNSET_AIACKT(p)   MASKAUDIO_CONTROL(p,~0x0008)
194 #define SET_ECMDAE(p)     UMASK_AUDIO_CONTROL(p,0x0010)
195 #define UNSET_ECMDAE(p)   MASK_AUDIO_CONTROL(p,~0x0010)
196 #define SET_ECMDBE(p)     UMASK_AUDIO_CONTROL(p,0x0020)
197 #define UNSET_ECMDBE(p)   MASK_AUDIO_CONTROL(p,~0x0020)
198 #define SET_EDATAF(p)     UMASK_AUDIO_CONTROL(p,0x0040)
199 #define UNSET_EDATAF(p)   MASK_AUDIO_CONTROL(p,~0x0040)
200 #define SET_EDATBF(p)     UMASK_AUDIO_CONTROL(p,0x0080)
201 #define UNSET_EDATBF(p)   MASK_AUDIO_CONTROL(p,~0x0080)
202 #define SET_ESBIRQON(p)   UMASK_AUDIO_CONTROL(p,0x0100)
203 #define UNSET_ESBIRQON(p) MASK_AUDIO_CONTROL(p,~0x0100)
204 #define SET_EMPUIRQ(p)    UMASK_AUDIO_CONTROL(p,0x0200)
205 #define UNSET_EMPUIRQ(p)  MASK_AUDIO_CONTROL(p,~0x0200)
206 #define IS_CMDE(a)        (READ_PORT_ULONG(a->stat)&0x1)	/* cmd empty */
207 #define IS_DATF(a)        (READ_PORT_ULONG(a->stat)&0x2)	/* data filled */
208 #define IS_READY(p)       (READ_AUDIO_STATUS(p)&0x0001)
209 #define IS_DLREADY(p)     (READ_AUDIO_STATUS(p)&0x0002)
210 #define IS_DLERR(p)       (READ_AUDIO_STATUS(p)&0x0004)
211 #define IS_GERR(p)        (READ_AUDIO_STATUS(p)&0x0008)	/* error ! */
212 #define IS_CMDAEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0010)
213 #define IS_CMDBEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0020)
214 #define IS_DATAFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0040)
215 #define IS_DATBFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0080)
216 #define IS_EOBIRQ(p)      (READ_AUDIO_STATUS(p)&0x0100)	/* interrupt status */
217 #define IS_EOSIRQ(p)      (READ_AUDIO_STATUS(p)&0x0200)
218 #define IS_EOCIRQ(p)      (READ_AUDIO_STATUS(p)&0x0400)
219 #define IS_UNSLIRQ(p)     (READ_AUDIO_STATUS(p)&0x0800)
220 #define IS_SBIRQ(p)       (READ_AUDIO_STATUS(p)&0x1000)
221 #define IS_MPUIRQ(p)      (READ_AUDIO_STATUS(p)&0x2000)
222 
223 #define RESP 0x00000001		/* command flags */
224 #define PARM 0x00000002
225 #define CMDA 0x00000004
226 #define CMDB 0x00000008
227 #define NILL 0x00000000
228 
229 #define LONG0(a)   ((u32)a)	/* shifts and masks */
230 #define BYTE0(a)   (LONG0(a)&0xff)
231 #define BYTE1(a)   (BYTE0(a)<<8)
232 #define BYTE2(a)   (BYTE0(a)<<16)
233 #define BYTE3(a)   (BYTE0(a)<<24)
234 #define WORD0(a)   (LONG0(a)&0xffff)
235 #define WORD1(a)   (WORD0(a)<<8)
236 #define WORD2(a)   (WORD0(a)<<16)
237 #define TRINIB0(a) (LONG0(a)&0xffffff)
238 #define TRINIB1(a) (TRINIB0(a)<<8)
239 
240 #define RET(a)     ((union cmdret *)(a))
241 
242 #define SEND_GETV(p,b)             sendcmd(p,RESP,GETV,0,RET(b))	/* get version */
243 #define SEND_GETC(p,b,c)           sendcmd(p,PARM|RESP,GETC,c,RET(b))
244 #define SEND_GUNS(p,b)             sendcmd(p,RESP,GUNS,0,RET(b))
245 #define SEND_SCID(p,b)             sendcmd(p,RESP,SCID,0,RET(b))
246 #define SEND_RMEM(p,b,c,d)         sendcmd(p,PARM|RESP,RMEM|BYTE1(b),LONG0(c),RET(d))	/* memory access for firmware write */
247 #define SEND_SMEM(p,b,c)           sendcmd(p,PARM,SMEM|BYTE1(b),LONG0(c),RET(0))	/* memory access for firmware write */
248 #define SEND_WMEM(p,b,c)           sendcmd(p,PARM,WMEM|BYTE1(b),LONG0(c),RET(0))	/* memory access for firmware write */
249 #define SEND_SDTM(p,b,c)           sendcmd(p,PARM|RESP,SDTM|TRINIB1(b),0,RET(c))	/* memory access for firmware write */
250 #define SEND_GOTO(p,b)             sendcmd(p,PARM,GOTO,LONG0(b),RET(0))	/* memory access for firmware write */
251 #define SEND_SETDPLL(p)	           sendcmd(p,0,ARM_SETDPLL,0,RET(0))
252 #define SEND_SSTR(p,b,c)           sendcmd(p,PARM,SSTR|BYTE3(b),LONG0(c),RET(0))	/* start stream */
253 #define SEND_PSTR(p,b)             sendcmd(p,PARM,PSTR,BYTE3(b),RET(0))	/* pause stream */
254 #define SEND_KSTR(p,b)             sendcmd(p,PARM,KSTR,BYTE3(b),RET(0))	/* stop stream */
255 #define SEND_KDMA(p)               sendcmd(p,0,KDMA,0,RET(0))	/* stop all dma */
256 #define SEND_GPOS(p,b,c,d)         sendcmd(p,PARM|RESP,GPOS,BYTE3(c)|BYTE2(b),RET(d))	/* get position in dma */
257 #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 */
258 #define SEND_GSTS(p,b,c,d)         sendcmd(p,PARM|RESP,GSTS,BYTE3(c)|BYTE2(b),RET(d))
259 #define SEND_NGPOS(p,b,c,d)        sendcmd(p,PARM|RESP,NGPOS,BYTE3(c)|BYTE2(b),RET(d))
260 #define SEND_PSEL(p,b,c)           sendcmd(p,PARM,PSEL,BYTE2(b)|BYTE3(c),RET(0))	/* activate lbus path */
261 #define SEND_PCLR(p,b,c)           sendcmd(p,PARM,PCLR,BYTE2(b)|BYTE3(c),RET(0))	/* deactivate lbus path */
262 #define SEND_PLST(p,b)             sendcmd(p,PARM,PLST,BYTE3(b),RET(0))
263 #define SEND_RSSV(p,b,c,d)         sendcmd(p,PARM|RESP,RSSV,BYTE2(b)|BYTE3(c),RET(d))
264 #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 */
265 #define SEND_SSRC(p,b,c,d,e)       sendcmd(p,PARM,SSRC|BYTE1(b)|WORD2(c),WORD0(d)|WORD2(e),RET(0))	/* configure source */
266 #define SEND_SLST(p,b)             sendcmd(p,PARM,SLST,BYTE3(b),RET(0))
267 #define SEND_RSRC(p,b,c)           sendcmd(p,RESP,RSRC|BYTE1(b),0,RET(c))	/* read source config */
268 #define SEND_SSRB(p,b,c)           sendcmd(p,PARM,SSRB|BYTE1(b),WORD2(c),RET(0))
269 #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 */
270 #define SEND_RDGV(p,b,c,d)         sendcmd(p,PARM|RESP,RDGV|BYTE2(b)|BYTE3(c),0,RET(d))	/* read digital mixer */
271 #define SEND_DLST(p,b)             sendcmd(p,PARM,DLST,BYTE3(b),RET(0))
272 #define SEND_SACR(p,b,c)           sendcmd(p,PARM,SACR,WORD0(b)|WORD2(c),RET(0))	/* set AC97 register */
273 #define SEND_RACR(p,b,c)           sendcmd(p,PARM|RESP,RACR,WORD2(b),RET(c))	/* get AC97 register */
274 #define SEND_ALST(p,b)             sendcmd(p,PARM,ALST,BYTE3(b),RET(0))
275 #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))
276 #define SEND_RXAC(p,b,c,d)         sendcmd(p,PARM|RESP,RXAC,BYTE2(b)|BYTE3(c),RET(d))
277 #define SEND_SI2S(p,b)             sendcmd(p,PARM,SI2S,WORD2(b),RET(0))
278 
279 #define EOB_STATUS         0x80000000	/* status flags : block boundary */
280 #define EOS_STATUS         0x40000000	/*              : stoppped */
281 #define EOC_STATUS         0x20000000	/*              : stream end */
282 #define ERR_STATUS         0x10000000
283 #define EMPTY_STATUS       0x08000000
284 
285 #define IEOB_ENABLE        0x1	/* enable interrupts for status notification above */
286 #define IEOS_ENABLE        0x2
287 #define IEOC_ENABLE        0x4
288 #define RDONCE             0x8
289 #define DESC_MAX_MASK      0xff
290 
291 #define ST_PLAY  0x1		/* stream states */
292 #define ST_STOP  0x2
293 #define ST_PAUSE 0x4
294 
295 #define I2S_INTDEC     3	/* config for I2S link */
296 #define I2S_MERGER     0
297 #define I2S_SPLITTER   0
298 #define I2S_MIXER      7
299 #define I2S_RATE       44100
300 
301 #define MODEM_INTDEC   4	/* config for modem link */
302 #define MODEM_MERGER   3
303 #define MODEM_SPLITTER 0
304 #define MODEM_MIXER    11
305 
306 #define FM_INTDEC      3	/* config for FM/OPL3 link */
307 #define FM_MERGER      0
308 #define FM_SPLITTER    0
309 #define FM_MIXER       9
310 
311 #define SPLIT_PATH  0x80	/* path splitting flag */
312 
313 enum FIRMWARE {
314 	DATA_REC = 0, EXT_END_OF_FILE, EXT_SEG_ADDR_REC, EXT_GOTO_CMD_REC,
315 	EXT_LIN_ADDR_REC,
316 };
317 
318 enum CMDS {
319 	GETV = 0x00, GETC, GUNS, SCID, RMEM =
320 	    0x10, SMEM, WMEM, SDTM, GOTO, SSTR =
321 	    0x20, PSTR, KSTR, KDMA, GPOS, SETF, GSTS, NGPOS, PSEL =
322 	    0x30, PCLR, PLST, RSSV, LSEL, SSRC = 0x40, SLST, RSRC, SSRB, SDGV =
323 	    0x50, RDGV, DLST, SACR = 0x60, RACR, ALST, TXAC, RXAC, SI2S =
324 	    0x70, ARM_SETDPLL = 0x72,
325 };
326 
327 enum E1SOURCE {
328 	ARM2LBUS_FIFO0 = 0, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2, ARM2LBUS_FIFO3,
329 	ARM2LBUS_FIFO4, ARM2LBUS_FIFO5, ARM2LBUS_FIFO6, ARM2LBUS_FIFO7,
330 	ARM2LBUS_FIFO8, ARM2LBUS_FIFO9, ARM2LBUS_FIFO10, ARM2LBUS_FIFO11,
331 	ARM2LBUS_FIFO12, ARM2LBUS_FIFO13, ARM2LBUS_FIFO14, ARM2LBUS_FIFO15,
332 	INTER0_OUT, INTER1_OUT, INTER2_OUT, INTER3_OUT, INTER4_OUT,
333 	INTERM0_OUT, INTERM1_OUT, INTERM2_OUT, INTERM3_OUT, INTERM4_OUT,
334 	INTERM5_OUT, INTERM6_OUT, DECIMM0_OUT, DECIMM1_OUT, DECIMM2_OUT,
335 	DECIMM3_OUT, DECIM0_OUT, SR3_4_OUT, OPL3_SAMPLE, ASRC0, ASRC1,
336 	ACLNK2PADC, ACLNK2MODEM0RX, ACLNK2MIC, ACLNK2MODEM1RX, ACLNK2HNDMIC,
337 	DIGITAL_MIXER_OUT0, GAINFUNC0_OUT, GAINFUNC1_OUT, GAINFUNC2_OUT,
338 	GAINFUNC3_OUT, GAINFUNC4_OUT, SOFTMODEMTX, SPLITTER0_OUTL,
339 	SPLITTER0_OUTR, SPLITTER1_OUTL, SPLITTER1_OUTR, SPLITTER2_OUTL,
340 	SPLITTER2_OUTR, SPLITTER3_OUTL, SPLITTER3_OUTR, MERGER0_OUT,
341 	MERGER1_OUT, MERGER2_OUT, MERGER3_OUT, ARM2LBUS_FIFO_DIRECT, NO_OUT
342 };
343 
344 enum E2SINK {
345 	LBUS2ARM_FIFO0 = 0, LBUS2ARM_FIFO1, LBUS2ARM_FIFO2, LBUS2ARM_FIFO3,
346 	LBUS2ARM_FIFO4, LBUS2ARM_FIFO5, LBUS2ARM_FIFO6, LBUS2ARM_FIFO7,
347 	INTER0_IN, INTER1_IN, INTER2_IN, INTER3_IN, INTER4_IN, INTERM0_IN,
348 	INTERM1_IN, INTERM2_IN, INTERM3_IN, INTERM4_IN, INTERM5_IN, INTERM6_IN,
349 	DECIMM0_IN, DECIMM1_IN, DECIMM2_IN, DECIMM3_IN, DECIM0_IN, SR3_4_IN,
350 	PDAC2ACLNK, MODEM0TX2ACLNK, MODEM1TX2ACLNK, HNDSPK2ACLNK,
351 	DIGITAL_MIXER_IN0, DIGITAL_MIXER_IN1, DIGITAL_MIXER_IN2,
352 	DIGITAL_MIXER_IN3, DIGITAL_MIXER_IN4, DIGITAL_MIXER_IN5,
353 	DIGITAL_MIXER_IN6, DIGITAL_MIXER_IN7, DIGITAL_MIXER_IN8,
354 	DIGITAL_MIXER_IN9, DIGITAL_MIXER_IN10, DIGITAL_MIXER_IN11,
355 	GAINFUNC0_IN, GAINFUNC1_IN, GAINFUNC2_IN, GAINFUNC3_IN, GAINFUNC4_IN,
356 	SOFTMODEMRX, SPLITTER0_IN, SPLITTER1_IN, SPLITTER2_IN, SPLITTER3_IN,
357 	MERGER0_INL, MERGER0_INR, MERGER1_INL, MERGER1_INR, MERGER2_INL,
358 	MERGER2_INR, MERGER3_INL, MERGER3_INR, E2SINK_MAX
359 };
360 
361 enum LBUS_SINK {
362 	LS_SRC_INTERPOLATOR = 0, LS_SRC_INTERPOLATORM, LS_SRC_DECIMATOR,
363 	LS_SRC_DECIMATORM, LS_MIXER_IN, LS_MIXER_GAIN_FUNCTION,
364 	LS_SRC_SPLITTER, LS_SRC_MERGER, LS_NONE1, LS_NONE2,
365 };
366 
367 enum RT_CHANNEL_IDS {
368 	M0TX = 0, M1TX, TAMTX, HSSPKR, PDAC, DSNDTX0, DSNDTX1, DSNDTX2,
369 	DSNDTX3, DSNDTX4, DSNDTX5, DSNDTX6, DSNDTX7, WVSTRTX, COP3DTX, SPARE,
370 	M0RX, HSMIC, M1RX, CLEANRX, MICADC, PADC, COPRX1, COPRX2,
371 	CHANNEL_ID_COUNTER
372 };
373 
374 enum { SB_CMD = 0, MODEM_CMD, I2S_CMD0, I2S_CMD1, FM_CMD, MAX_CMD };
375 
376 struct lbuspath {
377 	unsigned char *noconv;
378 	unsigned char *stereo;
379 	unsigned char *mono;
380 };
381 
382 struct cmdport {
383 	u32 data1;		/* cmd,param */
384 	u32 data2;		/* param */
385 	u32 stat;		/* status */
386 	u32 pad[5];
387 };
388 
389 struct riptideport {
390 	u32 audio_control;	/* status registers */
391 	u32 audio_status;
392 	u32 pad[2];
393 	struct cmdport port[2];	/* command ports */
394 };
395 
396 struct cmdif {
397 	struct riptideport *hwport;
398 	spinlock_t lock;
399 	unsigned int cmdcnt;	/* cmd statistics */
400 	unsigned int cmdtime;
401 	unsigned int cmdtimemax;
402 	unsigned int cmdtimemin;
403 	unsigned int errcnt;
404 	int is_reset;
405 };
406 
407 struct riptide_firmware {
408 	u16 ASIC;
409 	u16 CODEC;
410 	u16 AUXDSP;
411 	u16 PROG;
412 };
413 
414 union cmdret {
415 	u8 retbytes[8];
416 	u16 retwords[4];
417 	u32 retlongs[2];
418 };
419 
420 union firmware_version {
421 	union cmdret ret;
422 	struct riptide_firmware firmware;
423 };
424 
425 #define get_pcmhwdev(substream) (struct pcmhw *)(substream->runtime->private_data)
426 
427 #define PLAYBACK_SUBSTREAMS 3
428 struct snd_riptide {
429 	struct snd_card *card;
430 	struct pci_dev *pci;
431 	const struct firmware *fw_entry;
432 
433 	struct cmdif *cif;
434 
435 	struct snd_pcm *pcm;
436 	struct snd_pcm *pcm_i2s;
437 	struct snd_rawmidi *rmidi;
438 	struct snd_opl3 *opl3;
439 	struct snd_ac97 *ac97;
440 	struct snd_ac97_bus *ac97_bus;
441 
442 	struct snd_pcm_substream *playback_substream[PLAYBACK_SUBSTREAMS];
443 	struct snd_pcm_substream *capture_substream;
444 
445 	int openstreams;
446 
447 	int irq;
448 	unsigned long port;
449 	unsigned short mpuaddr;
450 	unsigned short opladdr;
451 #ifdef SUPPORT_JOYSTICK
452 	unsigned short gameaddr;
453 #endif
454 	struct resource *res_port;
455 
456 	unsigned short device_id;
457 
458 	union firmware_version firmware;
459 
460 	spinlock_t lock;
461 	struct tasklet_struct riptide_tq;
462 	struct snd_info_entry *proc_entry;
463 
464 	unsigned long received_irqs;
465 	unsigned long handled_irqs;
466 #ifdef CONFIG_PM
467 	int in_suspend;
468 #endif
469 };
470 
471 struct sgd {			/* scatter gather desriptor */
472 	u32 dwNextLink;
473 	u32 dwSegPtrPhys;
474 	u32 dwSegLen;
475 	u32 dwStat_Ctl;
476 };
477 
478 struct pcmhw {			/* pcm descriptor */
479 	struct lbuspath paths;
480 	unsigned char *lbuspath;
481 	unsigned char source;
482 	unsigned char intdec[2];
483 	unsigned char mixer;
484 	unsigned char id;
485 	unsigned char state;
486 	unsigned int rate;
487 	unsigned int channels;
488 	snd_pcm_format_t format;
489 	struct snd_dma_buffer sgdlist;
490 	struct sgd *sgdbuf;
491 	unsigned int size;
492 	unsigned int pages;
493 	unsigned int oldpos;
494 	unsigned int pointer;
495 };
496 
497 #define CMDRET_ZERO (union cmdret){{(u32)0, (u32) 0}}
498 
499 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
500 		   union cmdret *ret);
501 static int getsourcesink(struct cmdif *cif, unsigned char source,
502 			 unsigned char sink, unsigned char *a,
503 			 unsigned char *b);
504 static int snd_riptide_initialize(struct snd_riptide *chip);
505 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip);
506 
507 /*
508  */
509 
510 static DEFINE_PCI_DEVICE_TABLE(snd_riptide_ids) = {
511 	{ PCI_DEVICE(0x127a, 0x4310) },
512 	{ PCI_DEVICE(0x127a, 0x4320) },
513 	{ PCI_DEVICE(0x127a, 0x4330) },
514 	{ PCI_DEVICE(0x127a, 0x4340) },
515 	{0,},
516 };
517 
518 #ifdef SUPPORT_JOYSTICK
519 static DEFINE_PCI_DEVICE_TABLE(snd_riptide_joystick_ids) = {
520 	{ PCI_DEVICE(0x127a, 0x4312) },
521 	{ PCI_DEVICE(0x127a, 0x4322) },
522 	{ PCI_DEVICE(0x127a, 0x4332) },
523 	{ PCI_DEVICE(0x127a, 0x4342) },
524 	{0,},
525 };
526 #endif
527 
528 MODULE_DEVICE_TABLE(pci, snd_riptide_ids);
529 
530 /*
531  */
532 
533 static unsigned char lbusin2out[E2SINK_MAX + 1][2] = {
534 	{NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
535 								     LS_NONE2},
536 	{NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
537 								     LS_NONE2},
538 	{INTER0_OUT, LS_SRC_INTERPOLATOR}, {INTER1_OUT, LS_SRC_INTERPOLATOR},
539 	{INTER2_OUT, LS_SRC_INTERPOLATOR}, {INTER3_OUT, LS_SRC_INTERPOLATOR},
540 	{INTER4_OUT, LS_SRC_INTERPOLATOR}, {INTERM0_OUT, LS_SRC_INTERPOLATORM},
541 	{INTERM1_OUT, LS_SRC_INTERPOLATORM}, {INTERM2_OUT,
542 					      LS_SRC_INTERPOLATORM},
543 	{INTERM3_OUT, LS_SRC_INTERPOLATORM}, {INTERM4_OUT,
544 					      LS_SRC_INTERPOLATORM},
545 	{INTERM5_OUT, LS_SRC_INTERPOLATORM}, {INTERM6_OUT,
546 					      LS_SRC_INTERPOLATORM},
547 	{DECIMM0_OUT, LS_SRC_DECIMATORM}, {DECIMM1_OUT, LS_SRC_DECIMATORM},
548 	{DECIMM2_OUT, LS_SRC_DECIMATORM}, {DECIMM3_OUT, LS_SRC_DECIMATORM},
549 	{DECIM0_OUT, LS_SRC_DECIMATOR}, {SR3_4_OUT, LS_NONE1}, {NO_OUT,
550 								LS_NONE2},
551 	{NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1},
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 	{DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
558 	{GAINFUNC0_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC1_OUT,
559 						  LS_MIXER_GAIN_FUNCTION},
560 	{GAINFUNC2_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC3_OUT,
561 						  LS_MIXER_GAIN_FUNCTION},
562 	{GAINFUNC4_OUT, LS_MIXER_GAIN_FUNCTION}, {SOFTMODEMTX, LS_NONE1},
563 	{SPLITTER0_OUTL, LS_SRC_SPLITTER}, {SPLITTER1_OUTL, LS_SRC_SPLITTER},
564 	{SPLITTER2_OUTL, LS_SRC_SPLITTER}, {SPLITTER3_OUTL, LS_SRC_SPLITTER},
565 	{MERGER0_OUT, LS_SRC_MERGER}, {MERGER0_OUT, LS_SRC_MERGER},
566 	{MERGER1_OUT, LS_SRC_MERGER},
567 	{MERGER1_OUT, LS_SRC_MERGER}, {MERGER2_OUT, LS_SRC_MERGER},
568 	{MERGER2_OUT, LS_SRC_MERGER},
569 	{MERGER3_OUT, LS_SRC_MERGER}, {MERGER3_OUT, LS_SRC_MERGER}, {NO_OUT,
570 								     LS_NONE2},
571 };
572 
573 static unsigned char lbus_play_opl3[] = {
574 	DIGITAL_MIXER_IN0 + FM_MIXER, 0xff
575 };
576 static unsigned char lbus_play_modem[] = {
577 	DIGITAL_MIXER_IN0 + MODEM_MIXER, 0xff
578 };
579 static unsigned char lbus_play_i2s[] = {
580 	INTER0_IN + I2S_INTDEC, DIGITAL_MIXER_IN0 + I2S_MIXER, 0xff
581 };
582 static unsigned char lbus_play_out[] = {
583 	PDAC2ACLNK, 0xff
584 };
585 static unsigned char lbus_play_outhp[] = {
586 	HNDSPK2ACLNK, 0xff
587 };
588 static unsigned char lbus_play_noconv1[] = {
589 	DIGITAL_MIXER_IN0, 0xff
590 };
591 static unsigned char lbus_play_stereo1[] = {
592 	INTER0_IN, DIGITAL_MIXER_IN0, 0xff
593 };
594 static unsigned char lbus_play_mono1[] = {
595 	INTERM0_IN, DIGITAL_MIXER_IN0, 0xff
596 };
597 static unsigned char lbus_play_noconv2[] = {
598 	DIGITAL_MIXER_IN1, 0xff
599 };
600 static unsigned char lbus_play_stereo2[] = {
601 	INTER1_IN, DIGITAL_MIXER_IN1, 0xff
602 };
603 static unsigned char lbus_play_mono2[] = {
604 	INTERM1_IN, DIGITAL_MIXER_IN1, 0xff
605 };
606 static unsigned char lbus_play_noconv3[] = {
607 	DIGITAL_MIXER_IN2, 0xff
608 };
609 static unsigned char lbus_play_stereo3[] = {
610 	INTER2_IN, DIGITAL_MIXER_IN2, 0xff
611 };
612 static unsigned char lbus_play_mono3[] = {
613 	INTERM2_IN, DIGITAL_MIXER_IN2, 0xff
614 };
615 static unsigned char lbus_rec_noconv1[] = {
616 	LBUS2ARM_FIFO5, 0xff
617 };
618 static unsigned char lbus_rec_stereo1[] = {
619 	DECIM0_IN, LBUS2ARM_FIFO5, 0xff
620 };
621 static unsigned char lbus_rec_mono1[] = {
622 	DECIMM3_IN, LBUS2ARM_FIFO5, 0xff
623 };
624 
625 static unsigned char play_ids[] = { 4, 1, 2, };
626 static unsigned char play_sources[] = {
627 	ARM2LBUS_FIFO4, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2,
628 };
629 static struct lbuspath lbus_play_paths[] = {
630 	{
631 	 .noconv = lbus_play_noconv1,
632 	 .stereo = lbus_play_stereo1,
633 	 .mono = lbus_play_mono1,
634 	 },
635 	{
636 	 .noconv = lbus_play_noconv2,
637 	 .stereo = lbus_play_stereo2,
638 	 .mono = lbus_play_mono2,
639 	 },
640 	{
641 	 .noconv = lbus_play_noconv3,
642 	 .stereo = lbus_play_stereo3,
643 	 .mono = lbus_play_mono3,
644 	 },
645 };
646 static struct lbuspath lbus_rec_path = {
647 	.noconv = lbus_rec_noconv1,
648 	.stereo = lbus_rec_stereo1,
649 	.mono = lbus_rec_mono1,
650 };
651 
652 #define FIRMWARE_VERSIONS 1
653 static union firmware_version firmware_versions[] = {
654 	{
655 		.firmware = {
656 			.ASIC = 3,
657 			.CODEC = 2,
658 			.AUXDSP = 3,
659 			.PROG = 773,
660 		},
661 	},
662 };
663 
664 static u32 atoh(const unsigned char *in, unsigned int len)
665 {
666 	u32 sum = 0;
667 	unsigned int mult = 1;
668 	unsigned char c;
669 
670 	while (len) {
671 		int value;
672 
673 		c = in[len - 1];
674 		value = hex_to_bin(c);
675 		if (value >= 0)
676 			sum += mult * value;
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 	if (!chip)
1228 		return 1;
1229 
1230 	for (i = 0; i < FIRMWARE_VERSIONS; i++) {
1231 		if (!memcmp(&firmware_versions[i], &firmware, sizeof(firmware)))
1232 			return 1; /* OK */
1233 
1234 	}
1235 
1236 	snd_printdd("Writing Firmware\n");
1237 	if (!chip->fw_entry) {
1238 		err = request_firmware(&chip->fw_entry, "riptide.hex",
1239 				       &chip->pci->dev);
1240 		if (err) {
1241 			snd_printk(KERN_ERR
1242 				   "Riptide: Firmware not available %d\n", err);
1243 			return -EIO;
1244 		}
1245 	}
1246 	err = loadfirmware(cif, chip->fw_entry->data, chip->fw_entry->size);
1247 	if (err) {
1248 		snd_printk(KERN_ERR
1249 			   "Riptide: Could not load firmware %d\n", err);
1250 		return err;
1251 	}
1252 
1253 	chip->firmware = firmware;
1254 
1255 	return 1; /* OK */
1256 }
1257 
1258 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip)
1259 {
1260 	union cmdret rptr = CMDRET_ZERO;
1261 	int err, tries;
1262 
1263 	if (!cif)
1264 		return -EINVAL;
1265 
1266 	cif->cmdcnt = 0;
1267 	cif->cmdtime = 0;
1268 	cif->cmdtimemax = 0;
1269 	cif->cmdtimemin = 0xffffffff;
1270 	cif->errcnt = 0;
1271 	cif->is_reset = 0;
1272 
1273 	tries = RESET_TRIES;
1274 	do {
1275 		err = try_to_load_firmware(cif, chip);
1276 		if (err < 0)
1277 			return err;
1278 	} while (!err && --tries);
1279 
1280 	SEND_SACR(cif, 0, AC97_RESET);
1281 	SEND_RACR(cif, AC97_RESET, &rptr);
1282 	snd_printdd("AC97: 0x%x 0x%x\n", rptr.retlongs[0], rptr.retlongs[1]);
1283 
1284 	SEND_PLST(cif, 0);
1285 	SEND_SLST(cif, 0);
1286 	SEND_DLST(cif, 0);
1287 	SEND_ALST(cif, 0);
1288 	SEND_KDMA(cif);
1289 
1290 	writearm(cif, 0x301F8, 1, 1);
1291 	writearm(cif, 0x301F4, 1, 1);
1292 
1293 	SEND_LSEL(cif, MODEM_CMD, 0, 0, MODEM_INTDEC, MODEM_MERGER,
1294 		  MODEM_SPLITTER, MODEM_MIXER);
1295 	setmixer(cif, MODEM_MIXER, 0x7fff, 0x7fff);
1296 	alloclbuspath(cif, ARM2LBUS_FIFO13, lbus_play_modem, NULL, NULL);
1297 
1298 	SEND_LSEL(cif, FM_CMD, 0, 0, FM_INTDEC, FM_MERGER, FM_SPLITTER,
1299 		  FM_MIXER);
1300 	setmixer(cif, FM_MIXER, 0x7fff, 0x7fff);
1301 	writearm(cif, 0x30648 + FM_MIXER * 4, 0x01, 0x00000005);
1302 	writearm(cif, 0x301A8, 0x02, 0x00000002);
1303 	writearm(cif, 0x30264, 0x08, 0xffffffff);
1304 	alloclbuspath(cif, OPL3_SAMPLE, lbus_play_opl3, NULL, NULL);
1305 
1306 	SEND_SSRC(cif, I2S_INTDEC, 48000,
1307 		  ((u32) I2S_RATE * 65536) / 48000,
1308 		  ((u32) I2S_RATE * 65536) % 48000);
1309 	SEND_LSEL(cif, I2S_CMD0, 0, 0, I2S_INTDEC, I2S_MERGER, I2S_SPLITTER,
1310 		  I2S_MIXER);
1311 	SEND_SI2S(cif, 1);
1312 	alloclbuspath(cif, ARM2LBUS_FIFO0, lbus_play_i2s, NULL, NULL);
1313 	alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_out, NULL, NULL);
1314 	alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_outhp, NULL, NULL);
1315 
1316 	SET_AIACK(cif->hwport);
1317 	SET_AIE(cif->hwport);
1318 	SET_AIACK(cif->hwport);
1319 	cif->is_reset = 1;
1320 
1321 	return 0;
1322 }
1323 
1324 static struct snd_pcm_hardware snd_riptide_playback = {
1325 	.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1326 		 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1327 		 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1328 	.formats =
1329 	    SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1330 	    | SNDRV_PCM_FMTBIT_U16_LE,
1331 	.rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1332 	.rate_min = 5500,
1333 	.rate_max = 48000,
1334 	.channels_min = 1,
1335 	.channels_max = 2,
1336 	.buffer_bytes_max = (64 * 1024),
1337 	.period_bytes_min = PAGE_SIZE >> 1,
1338 	.period_bytes_max = PAGE_SIZE << 8,
1339 	.periods_min = 2,
1340 	.periods_max = 64,
1341 	.fifo_size = 0,
1342 };
1343 static struct snd_pcm_hardware snd_riptide_capture = {
1344 	.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1345 		 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1346 		 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1347 	.formats =
1348 	    SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1349 	    | SNDRV_PCM_FMTBIT_U16_LE,
1350 	.rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1351 	.rate_min = 5500,
1352 	.rate_max = 48000,
1353 	.channels_min = 1,
1354 	.channels_max = 2,
1355 	.buffer_bytes_max = (64 * 1024),
1356 	.period_bytes_min = PAGE_SIZE >> 1,
1357 	.period_bytes_max = PAGE_SIZE << 3,
1358 	.periods_min = 2,
1359 	.periods_max = 64,
1360 	.fifo_size = 0,
1361 };
1362 
1363 static snd_pcm_uframes_t snd_riptide_pointer(struct snd_pcm_substream
1364 					     *substream)
1365 {
1366 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1367 	struct snd_pcm_runtime *runtime = substream->runtime;
1368 	struct pcmhw *data = get_pcmhwdev(substream);
1369 	struct cmdif *cif = chip->cif;
1370 	union cmdret rptr = CMDRET_ZERO;
1371 	snd_pcm_uframes_t ret;
1372 
1373 	SEND_GPOS(cif, 0, data->id, &rptr);
1374 	if (data->size && runtime->period_size) {
1375 		snd_printdd
1376 		    ("pointer stream %d position 0x%x(0x%x in buffer) bytes 0x%lx(0x%lx in period) frames\n",
1377 		     data->id, rptr.retlongs[1], rptr.retlongs[1] % data->size,
1378 		     bytes_to_frames(runtime, rptr.retlongs[1]),
1379 		     bytes_to_frames(runtime,
1380 				     rptr.retlongs[1]) % runtime->period_size);
1381 		if (rptr.retlongs[1] > data->pointer)
1382 			ret =
1383 			    bytes_to_frames(runtime,
1384 					    rptr.retlongs[1] % data->size);
1385 		else
1386 			ret =
1387 			    bytes_to_frames(runtime,
1388 					    data->pointer % data->size);
1389 	} else {
1390 		snd_printdd("stream not started or strange parms (%d %ld)\n",
1391 			    data->size, runtime->period_size);
1392 		ret = bytes_to_frames(runtime, 0);
1393 	}
1394 	return ret;
1395 }
1396 
1397 static int snd_riptide_trigger(struct snd_pcm_substream *substream, int cmd)
1398 {
1399 	int i, j;
1400 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1401 	struct pcmhw *data = get_pcmhwdev(substream);
1402 	struct cmdif *cif = chip->cif;
1403 	union cmdret rptr = CMDRET_ZERO;
1404 
1405 	spin_lock(&chip->lock);
1406 	switch (cmd) {
1407 	case SNDRV_PCM_TRIGGER_START:
1408 	case SNDRV_PCM_TRIGGER_RESUME:
1409 		if (!(data->state & ST_PLAY)) {
1410 			SEND_SSTR(cif, data->id, data->sgdlist.addr);
1411 			SET_AIE(cif->hwport);
1412 			data->state = ST_PLAY;
1413 			if (data->mixer != 0xff)
1414 				setmixer(cif, data->mixer, 0x7fff, 0x7fff);
1415 			chip->openstreams++;
1416 			data->oldpos = 0;
1417 			data->pointer = 0;
1418 		}
1419 		break;
1420 	case SNDRV_PCM_TRIGGER_STOP:
1421 	case SNDRV_PCM_TRIGGER_SUSPEND:
1422 		if (data->mixer != 0xff)
1423 			setmixer(cif, data->mixer, 0, 0);
1424 		setmixer(cif, data->mixer, 0, 0);
1425 		SEND_KSTR(cif, data->id);
1426 		data->state = ST_STOP;
1427 		chip->openstreams--;
1428 		j = 0;
1429 		do {
1430 			i = rptr.retlongs[1];
1431 			SEND_GPOS(cif, 0, data->id, &rptr);
1432 			udelay(1);
1433 		} while (i != rptr.retlongs[1] && j++ < MAX_WRITE_RETRY);
1434 		if (j > MAX_WRITE_RETRY)
1435 			snd_printk(KERN_ERR "Riptide: Could not stop stream!");
1436 		break;
1437 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1438 		if (!(data->state & ST_PAUSE)) {
1439 			SEND_PSTR(cif, data->id);
1440 			data->state |= ST_PAUSE;
1441 			chip->openstreams--;
1442 		}
1443 		break;
1444 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1445 		if (data->state & ST_PAUSE) {
1446 			SEND_SSTR(cif, data->id, data->sgdlist.addr);
1447 			data->state &= ~ST_PAUSE;
1448 			chip->openstreams++;
1449 		}
1450 		break;
1451 	default:
1452 		spin_unlock(&chip->lock);
1453 		return -EINVAL;
1454 	}
1455 	spin_unlock(&chip->lock);
1456 	return 0;
1457 }
1458 
1459 static int snd_riptide_prepare(struct snd_pcm_substream *substream)
1460 {
1461 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1462 	struct snd_pcm_runtime *runtime = substream->runtime;
1463 	struct pcmhw *data = get_pcmhwdev(substream);
1464 	struct cmdif *cif = chip->cif;
1465 	unsigned char *lbuspath = NULL;
1466 	unsigned int rate, channels;
1467 	int err = 0;
1468 	snd_pcm_format_t format;
1469 
1470 	if (snd_BUG_ON(!cif || !data))
1471 		return -EINVAL;
1472 
1473 	snd_printdd("prepare id %d ch: %d f:0x%x r:%d\n", data->id,
1474 		    runtime->channels, runtime->format, runtime->rate);
1475 
1476 	spin_lock_irq(&chip->lock);
1477 	channels = runtime->channels;
1478 	format = runtime->format;
1479 	rate = runtime->rate;
1480 	switch (channels) {
1481 	case 1:
1482 		if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1483 			lbuspath = data->paths.noconv;
1484 		else
1485 			lbuspath = data->paths.mono;
1486 		break;
1487 	case 2:
1488 		if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1489 			lbuspath = data->paths.noconv;
1490 		else
1491 			lbuspath = data->paths.stereo;
1492 		break;
1493 	}
1494 	snd_printdd("use sgdlist at 0x%p\n",
1495 		    data->sgdlist.area);
1496 	if (data->sgdlist.area) {
1497 		unsigned int i, j, size, pages, f, pt, period;
1498 		struct sgd *c, *p = NULL;
1499 
1500 		size = frames_to_bytes(runtime, runtime->buffer_size);
1501 		period = frames_to_bytes(runtime, runtime->period_size);
1502 		f = PAGE_SIZE;
1503 		while ((size + (f >> 1) - 1) <= (f << 7) && (f << 1) > period)
1504 			f = f >> 1;
1505 		pages = (size + f - 1) / f;
1506 		data->size = size;
1507 		data->pages = pages;
1508 		snd_printdd
1509 		    ("create sgd size: 0x%x pages %d of size 0x%x for period 0x%x\n",
1510 		     size, pages, f, period);
1511 		pt = 0;
1512 		j = 0;
1513 		for (i = 0; i < pages; i++) {
1514 			unsigned int ofs, addr;
1515 			c = &data->sgdbuf[i];
1516 			if (p)
1517 				p->dwNextLink = cpu_to_le32(data->sgdlist.addr +
1518 							    (i *
1519 							     sizeof(struct
1520 								    sgd)));
1521 			c->dwNextLink = cpu_to_le32(data->sgdlist.addr);
1522 			ofs = j << PAGE_SHIFT;
1523 			addr = snd_pcm_sgbuf_get_addr(substream, ofs) + pt;
1524 			c->dwSegPtrPhys = cpu_to_le32(addr);
1525 			pt = (pt + f) % PAGE_SIZE;
1526 			if (pt == 0)
1527 				j++;
1528 			c->dwSegLen = cpu_to_le32(f);
1529 			c->dwStat_Ctl =
1530 			    cpu_to_le32(IEOB_ENABLE | IEOS_ENABLE |
1531 					IEOC_ENABLE);
1532 			p = c;
1533 			size -= f;
1534 		}
1535 		data->sgdbuf[i].dwSegLen = cpu_to_le32(size);
1536 	}
1537 	if (lbuspath && lbuspath != data->lbuspath) {
1538 		if (data->lbuspath)
1539 			freelbuspath(cif, data->source, data->lbuspath);
1540 		alloclbuspath(cif, data->source, lbuspath,
1541 			      &data->mixer, data->intdec);
1542 		data->lbuspath = lbuspath;
1543 		data->rate = 0;
1544 	}
1545 	if (data->rate != rate || data->format != format ||
1546 	    data->channels != channels) {
1547 		data->rate = rate;
1548 		data->format = format;
1549 		data->channels = channels;
1550 		if (setsampleformat
1551 		    (cif, data->mixer, data->id, channels, format)
1552 		    || setsamplerate(cif, data->intdec, rate))
1553 			err = -EIO;
1554 	}
1555 	spin_unlock_irq(&chip->lock);
1556 	return err;
1557 }
1558 
1559 static int
1560 snd_riptide_hw_params(struct snd_pcm_substream *substream,
1561 		      struct snd_pcm_hw_params *hw_params)
1562 {
1563 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1564 	struct pcmhw *data = get_pcmhwdev(substream);
1565 	struct snd_dma_buffer *sgdlist = &data->sgdlist;
1566 	int err;
1567 
1568 	snd_printdd("hw params id %d (sgdlist: 0x%p 0x%lx %d)\n", data->id,
1569 		    sgdlist->area, (unsigned long)sgdlist->addr,
1570 		    (int)sgdlist->bytes);
1571 	if (sgdlist->area)
1572 		snd_dma_free_pages(sgdlist);
1573 	if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
1574 				       snd_dma_pci_data(chip->pci),
1575 				       sizeof(struct sgd) * (DESC_MAX_MASK + 1),
1576 				       sgdlist)) < 0) {
1577 		snd_printk(KERN_ERR "Riptide: failed to alloc %d dma bytes\n",
1578 			   (int)sizeof(struct sgd) * (DESC_MAX_MASK + 1));
1579 		return err;
1580 	}
1581 	data->sgdbuf = (struct sgd *)sgdlist->area;
1582 	return snd_pcm_lib_malloc_pages(substream,
1583 					params_buffer_bytes(hw_params));
1584 }
1585 
1586 static int snd_riptide_hw_free(struct snd_pcm_substream *substream)
1587 {
1588 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1589 	struct pcmhw *data = get_pcmhwdev(substream);
1590 	struct cmdif *cif = chip->cif;
1591 
1592 	if (cif && data) {
1593 		if (data->lbuspath)
1594 			freelbuspath(cif, data->source, data->lbuspath);
1595 		data->lbuspath = NULL;
1596 		data->source = 0xff;
1597 		data->intdec[0] = 0xff;
1598 		data->intdec[1] = 0xff;
1599 
1600 		if (data->sgdlist.area) {
1601 			snd_dma_free_pages(&data->sgdlist);
1602 			data->sgdlist.area = NULL;
1603 		}
1604 	}
1605 	return snd_pcm_lib_free_pages(substream);
1606 }
1607 
1608 static int snd_riptide_playback_open(struct snd_pcm_substream *substream)
1609 {
1610 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1611 	struct snd_pcm_runtime *runtime = substream->runtime;
1612 	struct pcmhw *data;
1613 	int sub_num = substream->number;
1614 
1615 	chip->playback_substream[sub_num] = substream;
1616 	runtime->hw = snd_riptide_playback;
1617 
1618 	data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1619 	if (data == NULL)
1620 		return -ENOMEM;
1621 	data->paths = lbus_play_paths[sub_num];
1622 	data->id = play_ids[sub_num];
1623 	data->source = play_sources[sub_num];
1624 	data->intdec[0] = 0xff;
1625 	data->intdec[1] = 0xff;
1626 	data->state = ST_STOP;
1627 	runtime->private_data = data;
1628 	return snd_pcm_hw_constraint_integer(runtime,
1629 					     SNDRV_PCM_HW_PARAM_PERIODS);
1630 }
1631 
1632 static int snd_riptide_capture_open(struct snd_pcm_substream *substream)
1633 {
1634 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1635 	struct snd_pcm_runtime *runtime = substream->runtime;
1636 	struct pcmhw *data;
1637 
1638 	chip->capture_substream = substream;
1639 	runtime->hw = snd_riptide_capture;
1640 
1641 	data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1642 	if (data == NULL)
1643 		return -ENOMEM;
1644 	data->paths = lbus_rec_path;
1645 	data->id = PADC;
1646 	data->source = ACLNK2PADC;
1647 	data->intdec[0] = 0xff;
1648 	data->intdec[1] = 0xff;
1649 	data->state = ST_STOP;
1650 	runtime->private_data = data;
1651 	return snd_pcm_hw_constraint_integer(runtime,
1652 					     SNDRV_PCM_HW_PARAM_PERIODS);
1653 }
1654 
1655 static int snd_riptide_playback_close(struct snd_pcm_substream *substream)
1656 {
1657 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1658 	struct pcmhw *data = get_pcmhwdev(substream);
1659 	int sub_num = substream->number;
1660 
1661 	substream->runtime->private_data = NULL;
1662 	chip->playback_substream[sub_num] = NULL;
1663 	kfree(data);
1664 	return 0;
1665 }
1666 
1667 static int snd_riptide_capture_close(struct snd_pcm_substream *substream)
1668 {
1669 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1670 	struct pcmhw *data = get_pcmhwdev(substream);
1671 
1672 	substream->runtime->private_data = NULL;
1673 	chip->capture_substream = NULL;
1674 	kfree(data);
1675 	return 0;
1676 }
1677 
1678 static struct snd_pcm_ops snd_riptide_playback_ops = {
1679 	.open = snd_riptide_playback_open,
1680 	.close = snd_riptide_playback_close,
1681 	.ioctl = snd_pcm_lib_ioctl,
1682 	.hw_params = snd_riptide_hw_params,
1683 	.hw_free = snd_riptide_hw_free,
1684 	.prepare = snd_riptide_prepare,
1685 	.page = snd_pcm_sgbuf_ops_page,
1686 	.trigger = snd_riptide_trigger,
1687 	.pointer = snd_riptide_pointer,
1688 };
1689 static struct snd_pcm_ops snd_riptide_capture_ops = {
1690 	.open = snd_riptide_capture_open,
1691 	.close = snd_riptide_capture_close,
1692 	.ioctl = snd_pcm_lib_ioctl,
1693 	.hw_params = snd_riptide_hw_params,
1694 	.hw_free = snd_riptide_hw_free,
1695 	.prepare = snd_riptide_prepare,
1696 	.page = snd_pcm_sgbuf_ops_page,
1697 	.trigger = snd_riptide_trigger,
1698 	.pointer = snd_riptide_pointer,
1699 };
1700 
1701 static int __devinit
1702 snd_riptide_pcm(struct snd_riptide *chip, int device, struct snd_pcm **rpcm)
1703 {
1704 	struct snd_pcm *pcm;
1705 	int err;
1706 
1707 	if (rpcm)
1708 		*rpcm = NULL;
1709 	if ((err =
1710 	     snd_pcm_new(chip->card, "RIPTIDE", device, PLAYBACK_SUBSTREAMS, 1,
1711 			 &pcm)) < 0)
1712 		return err;
1713 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1714 			&snd_riptide_playback_ops);
1715 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1716 			&snd_riptide_capture_ops);
1717 	pcm->private_data = chip;
1718 	pcm->info_flags = 0;
1719 	strcpy(pcm->name, "RIPTIDE");
1720 	chip->pcm = pcm;
1721 	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1722 					      snd_dma_pci_data(chip->pci),
1723 					      64 * 1024, 128 * 1024);
1724 	if (rpcm)
1725 		*rpcm = pcm;
1726 	return 0;
1727 }
1728 
1729 static irqreturn_t
1730 snd_riptide_interrupt(int irq, void *dev_id)
1731 {
1732 	struct snd_riptide *chip = dev_id;
1733 	struct cmdif *cif = chip->cif;
1734 
1735 	if (cif) {
1736 		chip->received_irqs++;
1737 		if (IS_EOBIRQ(cif->hwport) || IS_EOSIRQ(cif->hwport) ||
1738 		    IS_EOCIRQ(cif->hwport)) {
1739 			chip->handled_irqs++;
1740 			tasklet_schedule(&chip->riptide_tq);
1741 		}
1742 		if (chip->rmidi && IS_MPUIRQ(cif->hwport)) {
1743 			chip->handled_irqs++;
1744 			snd_mpu401_uart_interrupt(irq,
1745 						  chip->rmidi->private_data);
1746 		}
1747 		SET_AIACK(cif->hwport);
1748 	}
1749 	return IRQ_HANDLED;
1750 }
1751 
1752 static void
1753 snd_riptide_codec_write(struct snd_ac97 *ac97, unsigned short reg,
1754 			unsigned short val)
1755 {
1756 	struct snd_riptide *chip = ac97->private_data;
1757 	struct cmdif *cif = chip->cif;
1758 	union cmdret rptr = CMDRET_ZERO;
1759 	int i = 0;
1760 
1761 	if (snd_BUG_ON(!cif))
1762 		return;
1763 
1764 	snd_printdd("Write AC97 reg 0x%x 0x%x\n", reg, val);
1765 	do {
1766 		SEND_SACR(cif, val, reg);
1767 		SEND_RACR(cif, reg, &rptr);
1768 	} while (rptr.retwords[1] != val && i++ < MAX_WRITE_RETRY);
1769 	if (i > MAX_WRITE_RETRY)
1770 		snd_printdd("Write AC97 reg failed\n");
1771 }
1772 
1773 static unsigned short snd_riptide_codec_read(struct snd_ac97 *ac97,
1774 					     unsigned short reg)
1775 {
1776 	struct snd_riptide *chip = ac97->private_data;
1777 	struct cmdif *cif = chip->cif;
1778 	union cmdret rptr = CMDRET_ZERO;
1779 
1780 	if (snd_BUG_ON(!cif))
1781 		return 0;
1782 
1783 	if (SEND_RACR(cif, reg, &rptr) != 0)
1784 		SEND_RACR(cif, reg, &rptr);
1785 	snd_printdd("Read AC97 reg 0x%x got 0x%x\n", reg, rptr.retwords[1]);
1786 	return rptr.retwords[1];
1787 }
1788 
1789 static int snd_riptide_initialize(struct snd_riptide *chip)
1790 {
1791 	struct cmdif *cif;
1792 	unsigned int device_id;
1793 	int err;
1794 
1795 	if (snd_BUG_ON(!chip))
1796 		return -EINVAL;
1797 
1798 	cif = chip->cif;
1799 	if (!cif) {
1800 		if ((cif = kzalloc(sizeof(struct cmdif), GFP_KERNEL)) == NULL)
1801 			return -ENOMEM;
1802 		cif->hwport = (struct riptideport *)chip->port;
1803 		spin_lock_init(&cif->lock);
1804 		chip->cif = cif;
1805 	}
1806 	cif->is_reset = 0;
1807 	if ((err = riptide_reset(cif, chip)) != 0)
1808 		return err;
1809 	device_id = chip->device_id;
1810 	switch (device_id) {
1811 	case 0x4310:
1812 	case 0x4320:
1813 	case 0x4330:
1814 		snd_printdd("Modem enable?\n");
1815 		SEND_SETDPLL(cif);
1816 		break;
1817 	}
1818 	snd_printdd("Enabling MPU IRQs\n");
1819 	if (chip->rmidi)
1820 		SET_EMPUIRQ(cif->hwport);
1821 	return err;
1822 }
1823 
1824 static int snd_riptide_free(struct snd_riptide *chip)
1825 {
1826 	struct cmdif *cif;
1827 
1828 	if (!chip)
1829 		return 0;
1830 
1831 	if ((cif = chip->cif)) {
1832 		SET_GRESET(cif->hwport);
1833 		udelay(100);
1834 		UNSET_GRESET(cif->hwport);
1835 		kfree(chip->cif);
1836 	}
1837 	if (chip->irq >= 0)
1838 		free_irq(chip->irq, chip);
1839 	if (chip->fw_entry)
1840 		release_firmware(chip->fw_entry);
1841 	release_and_free_resource(chip->res_port);
1842 	kfree(chip);
1843 	return 0;
1844 }
1845 
1846 static int snd_riptide_dev_free(struct snd_device *device)
1847 {
1848 	struct snd_riptide *chip = device->device_data;
1849 
1850 	return snd_riptide_free(chip);
1851 }
1852 
1853 static int __devinit
1854 snd_riptide_create(struct snd_card *card, struct pci_dev *pci,
1855 		   struct snd_riptide **rchip)
1856 {
1857 	struct snd_riptide *chip;
1858 	struct riptideport *hwport;
1859 	int err;
1860 	static struct snd_device_ops ops = {
1861 		.dev_free = snd_riptide_dev_free,
1862 	};
1863 
1864 	*rchip = NULL;
1865 	if ((err = pci_enable_device(pci)) < 0)
1866 		return err;
1867 	if (!(chip = kzalloc(sizeof(struct snd_riptide), GFP_KERNEL)))
1868 		return -ENOMEM;
1869 
1870 	spin_lock_init(&chip->lock);
1871 	chip->card = card;
1872 	chip->pci = pci;
1873 	chip->irq = -1;
1874 	chip->openstreams = 0;
1875 	chip->port = pci_resource_start(pci, 0);
1876 	chip->received_irqs = 0;
1877 	chip->handled_irqs = 0;
1878 	chip->cif = NULL;
1879 	tasklet_init(&chip->riptide_tq, riptide_handleirq, (unsigned long)chip);
1880 
1881 	if ((chip->res_port =
1882 	     request_region(chip->port, 64, "RIPTIDE")) == NULL) {
1883 		snd_printk(KERN_ERR
1884 			   "Riptide: unable to grab region 0x%lx-0x%lx\n",
1885 			   chip->port, chip->port + 64 - 1);
1886 		snd_riptide_free(chip);
1887 		return -EBUSY;
1888 	}
1889 	hwport = (struct riptideport *)chip->port;
1890 	UNSET_AIE(hwport);
1891 
1892 	if (request_irq(pci->irq, snd_riptide_interrupt, IRQF_SHARED,
1893 			"RIPTIDE", chip)) {
1894 		snd_printk(KERN_ERR "Riptide: unable to grab IRQ %d\n",
1895 			   pci->irq);
1896 		snd_riptide_free(chip);
1897 		return -EBUSY;
1898 	}
1899 	chip->irq = pci->irq;
1900 	chip->device_id = pci->device;
1901 	pci_set_master(pci);
1902 	if ((err = snd_riptide_initialize(chip)) < 0) {
1903 		snd_riptide_free(chip);
1904 		return err;
1905 	}
1906 
1907 	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1908 		snd_riptide_free(chip);
1909 		return err;
1910 	}
1911 
1912 	snd_card_set_dev(card, &pci->dev);
1913 
1914 	*rchip = chip;
1915 	return 0;
1916 }
1917 
1918 static void
1919 snd_riptide_proc_read(struct snd_info_entry *entry,
1920 		      struct snd_info_buffer *buffer)
1921 {
1922 	struct snd_riptide *chip = entry->private_data;
1923 	struct pcmhw *data;
1924 	int i;
1925 	struct cmdif *cif = NULL;
1926 	unsigned char p[256];
1927 	unsigned short rval = 0, lval = 0;
1928 	unsigned int rate;
1929 
1930 	if (!chip)
1931 		return;
1932 
1933 	snd_iprintf(buffer, "%s\n\n", chip->card->longname);
1934 	snd_iprintf(buffer, "Device ID: 0x%x\nReceived IRQs: (%ld)%ld\nPorts:",
1935 		    chip->device_id, chip->handled_irqs, chip->received_irqs);
1936 	for (i = 0; i < 64; i += 4)
1937 		snd_iprintf(buffer, "%c%02x: %08x",
1938 			    (i % 16) ? ' ' : '\n', i, inl(chip->port + i));
1939 	if ((cif = chip->cif)) {
1940 		snd_iprintf(buffer,
1941 			    "\nVersion: ASIC: %d CODEC: %d AUXDSP: %d PROG: %d",
1942 			    chip->firmware.firmware.ASIC,
1943 			    chip->firmware.firmware.CODEC,
1944 			    chip->firmware.firmware.AUXDSP,
1945 			    chip->firmware.firmware.PROG);
1946 		snd_iprintf(buffer, "\nDigital mixer:");
1947 		for (i = 0; i < 12; i++) {
1948 			getmixer(cif, i, &rval, &lval);
1949 			snd_iprintf(buffer, "\n %d: %d %d", i, rval, lval);
1950 		}
1951 		snd_iprintf(buffer,
1952 			    "\nARM Commands num: %d failed: %d time: %d max: %d min: %d",
1953 			    cif->cmdcnt, cif->errcnt,
1954 			    cif->cmdtime, cif->cmdtimemax, cif->cmdtimemin);
1955 	}
1956 	snd_iprintf(buffer, "\nOpen streams %d:\n", chip->openstreams);
1957 	for (i = 0; i < PLAYBACK_SUBSTREAMS; i++) {
1958 		if (chip->playback_substream[i]
1959 		    && chip->playback_substream[i]->runtime
1960 		    && (data =
1961 			chip->playback_substream[i]->runtime->private_data)) {
1962 			snd_iprintf(buffer,
1963 				    "stream: %d mixer: %d source: %d (%d,%d)\n",
1964 				    data->id, data->mixer, data->source,
1965 				    data->intdec[0], data->intdec[1]);
1966 			if (!(getsamplerate(cif, data->intdec, &rate)))
1967 				snd_iprintf(buffer, "rate: %d\n", rate);
1968 		}
1969 	}
1970 	if (chip->capture_substream
1971 	    && chip->capture_substream->runtime
1972 	    && (data = chip->capture_substream->runtime->private_data)) {
1973 		snd_iprintf(buffer,
1974 			    "stream: %d mixer: %d source: %d (%d,%d)\n",
1975 			    data->id, data->mixer,
1976 			    data->source, data->intdec[0], data->intdec[1]);
1977 		if (!(getsamplerate(cif, data->intdec, &rate)))
1978 			snd_iprintf(buffer, "rate: %d\n", rate);
1979 	}
1980 	snd_iprintf(buffer, "Paths:\n");
1981 	i = getpaths(cif, p);
1982 	while (i >= 2) {
1983 		i -= 2;
1984 		snd_iprintf(buffer, "%x->%x ", p[i], p[i + 1]);
1985 	}
1986 	snd_iprintf(buffer, "\n");
1987 }
1988 
1989 static void __devinit snd_riptide_proc_init(struct snd_riptide *chip)
1990 {
1991 	struct snd_info_entry *entry;
1992 
1993 	if (!snd_card_proc_new(chip->card, "riptide", &entry))
1994 		snd_info_set_text_ops(entry, chip, snd_riptide_proc_read);
1995 }
1996 
1997 static int __devinit snd_riptide_mixer(struct snd_riptide *chip)
1998 {
1999 	struct snd_ac97_bus *pbus;
2000 	struct snd_ac97_template ac97;
2001 	int err = 0;
2002 	static struct snd_ac97_bus_ops ops = {
2003 		.write = snd_riptide_codec_write,
2004 		.read = snd_riptide_codec_read,
2005 	};
2006 
2007 	memset(&ac97, 0, sizeof(ac97));
2008 	ac97.private_data = chip;
2009 	ac97.scaps = AC97_SCAP_SKIP_MODEM;
2010 
2011 	if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0)
2012 		return err;
2013 
2014 	chip->ac97_bus = pbus;
2015 	ac97.pci = chip->pci;
2016 	if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97)) < 0)
2017 		return err;
2018 	return err;
2019 }
2020 
2021 #ifdef SUPPORT_JOYSTICK
2022 
2023 static int __devinit
2024 snd_riptide_joystick_probe(struct pci_dev *pci, const struct pci_device_id *id)
2025 {
2026 	static int dev;
2027 	struct gameport *gameport;
2028 
2029 	if (dev >= SNDRV_CARDS)
2030 		return -ENODEV;
2031 	if (!enable[dev]) {
2032 		dev++;
2033 		return -ENOENT;
2034 	}
2035 
2036 	if (!joystick_port[dev++])
2037 		return 0;
2038 
2039 	gameport = gameport_allocate_port();
2040 	if (!gameport)
2041 		return -ENOMEM;
2042 	if (!request_region(joystick_port[dev], 8, "Riptide gameport")) {
2043 		snd_printk(KERN_WARNING
2044 			   "Riptide: cannot grab gameport 0x%x\n",
2045 			   joystick_port[dev]);
2046 		gameport_free_port(gameport);
2047 		return -EBUSY;
2048 	}
2049 
2050 	gameport->io = joystick_port[dev];
2051 	gameport_register_port(gameport);
2052 	pci_set_drvdata(pci, gameport);
2053 	return 0;
2054 }
2055 
2056 static void __devexit snd_riptide_joystick_remove(struct pci_dev *pci)
2057 {
2058 	struct gameport *gameport = pci_get_drvdata(pci);
2059 	if (gameport) {
2060 		release_region(gameport->io, 8);
2061 		gameport_unregister_port(gameport);
2062 		pci_set_drvdata(pci, NULL);
2063 	}
2064 }
2065 #endif
2066 
2067 static int __devinit
2068 snd_card_riptide_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2069 {
2070 	static int dev;
2071 	struct snd_card *card;
2072 	struct snd_riptide *chip;
2073 	unsigned short val;
2074 	int err;
2075 
2076 	if (dev >= SNDRV_CARDS)
2077 		return -ENODEV;
2078 	if (!enable[dev]) {
2079 		dev++;
2080 		return -ENOENT;
2081 	}
2082 
2083 	err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
2084 	if (err < 0)
2085 		return err;
2086 	err = snd_riptide_create(card, pci, &chip);
2087 	if (err < 0)
2088 		goto error;
2089 	card->private_data = chip;
2090 	err = snd_riptide_pcm(chip, 0, NULL);
2091 	if (err < 0)
2092 		goto error;
2093 	err = snd_riptide_mixer(chip);
2094 	if (err < 0)
2095 		goto error;
2096 
2097 	val = LEGACY_ENABLE_ALL;
2098 	if (opl3_port[dev])
2099 		val |= LEGACY_ENABLE_FM;
2100 #ifdef SUPPORT_JOYSTICK
2101 	if (joystick_port[dev])
2102 		val |= LEGACY_ENABLE_GAMEPORT;
2103 #endif
2104 	if (mpu_port[dev])
2105 		val |= LEGACY_ENABLE_MPU_INT | LEGACY_ENABLE_MPU;
2106 	val |= (chip->irq << 4) & 0xf0;
2107 	pci_write_config_word(chip->pci, PCI_EXT_Legacy_Mask, val);
2108 	if (mpu_port[dev]) {
2109 		val = mpu_port[dev];
2110 		pci_write_config_word(chip->pci, PCI_EXT_MPU_Base, val);
2111 		err = snd_mpu401_uart_new(card, 0, MPU401_HW_RIPTIDE,
2112 					  val, 0, chip->irq, 0,
2113 					  &chip->rmidi);
2114 		if (err < 0)
2115 			snd_printk(KERN_WARNING
2116 				   "Riptide: Can't Allocate MPU at 0x%x\n",
2117 				   val);
2118 		else
2119 			chip->mpuaddr = val;
2120 	}
2121 	if (opl3_port[dev]) {
2122 		val = opl3_port[dev];
2123 		pci_write_config_word(chip->pci, PCI_EXT_FM_Base, val);
2124 		err = snd_opl3_create(card, val, val + 2,
2125 				      OPL3_HW_RIPTIDE, 0, &chip->opl3);
2126 		if (err < 0)
2127 			snd_printk(KERN_WARNING
2128 				   "Riptide: Can't Allocate OPL3 at 0x%x\n",
2129 				   val);
2130 		else {
2131 			chip->opladdr = val;
2132 			err = snd_opl3_hwdep_new(chip->opl3, 0, 1, NULL);
2133 			if (err < 0)
2134 				snd_printk(KERN_WARNING
2135 					   "Riptide: Can't Allocate OPL3-HWDEP\n");
2136 		}
2137 	}
2138 #ifdef SUPPORT_JOYSTICK
2139 	if (joystick_port[dev]) {
2140 		val = joystick_port[dev];
2141 		pci_write_config_word(chip->pci, PCI_EXT_Game_Base, val);
2142 		chip->gameaddr = val;
2143 	}
2144 #endif
2145 
2146 	strcpy(card->driver, "RIPTIDE");
2147 	strcpy(card->shortname, "Riptide");
2148 #ifdef SUPPORT_JOYSTICK
2149 	snprintf(card->longname, sizeof(card->longname),
2150 		 "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x gameport 0x%x",
2151 		 card->shortname, chip->port, chip->irq, chip->mpuaddr,
2152 		 chip->opladdr, chip->gameaddr);
2153 #else
2154 	snprintf(card->longname, sizeof(card->longname),
2155 		 "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x",
2156 		 card->shortname, chip->port, chip->irq, chip->mpuaddr,
2157 		 chip->opladdr);
2158 #endif
2159 	snd_riptide_proc_init(chip);
2160 	err = snd_card_register(card);
2161 	if (err < 0)
2162 		goto error;
2163 	pci_set_drvdata(pci, card);
2164 	dev++;
2165 	return 0;
2166 
2167  error:
2168 	snd_card_free(card);
2169 	return err;
2170 }
2171 
2172 static void __devexit snd_card_riptide_remove(struct pci_dev *pci)
2173 {
2174 	snd_card_free(pci_get_drvdata(pci));
2175 	pci_set_drvdata(pci, NULL);
2176 }
2177 
2178 static struct pci_driver driver = {
2179 	.name = "RIPTIDE",
2180 	.id_table = snd_riptide_ids,
2181 	.probe = snd_card_riptide_probe,
2182 	.remove = __devexit_p(snd_card_riptide_remove),
2183 #ifdef CONFIG_PM
2184 	.suspend = riptide_suspend,
2185 	.resume = riptide_resume,
2186 #endif
2187 };
2188 
2189 #ifdef SUPPORT_JOYSTICK
2190 static struct pci_driver joystick_driver = {
2191 	.name = "Riptide Joystick",
2192 	.id_table = snd_riptide_joystick_ids,
2193 	.probe = snd_riptide_joystick_probe,
2194 	.remove = __devexit_p(snd_riptide_joystick_remove),
2195 };
2196 #endif
2197 
2198 static int __init alsa_card_riptide_init(void)
2199 {
2200 	int err;
2201 	err = pci_register_driver(&driver);
2202 	if (err < 0)
2203 		return err;
2204 #if defined(SUPPORT_JOYSTICK)
2205 	err = pci_register_driver(&joystick_driver);
2206 	/* On failure unregister formerly registered audio driver */
2207 	if (err < 0)
2208 		pci_unregister_driver(&driver);
2209 #endif
2210 	return err;
2211 }
2212 
2213 static void __exit alsa_card_riptide_exit(void)
2214 {
2215 	pci_unregister_driver(&driver);
2216 #if defined(SUPPORT_JOYSTICK)
2217 	pci_unregister_driver(&joystick_driver);
2218 #endif
2219 }
2220 
2221 module_init(alsa_card_riptide_init);
2222 module_exit(alsa_card_riptide_exit);
2223