xref: /linux/sound/pci/riptide/riptide.c (revision 7255fcc80d4b525cc10cfaaf7f485830d4ed2000)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *   Driver for the Conexant Riptide Soundchip
4  *
5  *	Copyright (c) 2004 Peter Gruber <nokos@gmx.net>
6  */
7 /*
8   History:
9    - 02/15/2004 first release
10 
11   This Driver is based on the OSS Driver version from Linuxant (riptide-0.6lnxtbeta03111100)
12   credits from the original files:
13 
14   MODULE NAME:        cnxt_rt.h
15   AUTHOR:             K. Lazarev  (Transcribed by KNL)
16   HISTORY:         Major Revision               Date        By
17             -----------------------------     --------     -----
18             Created                           02/1/2000     KNL
19 
20   MODULE NAME:     int_mdl.c
21   AUTHOR:          Konstantin Lazarev    (Transcribed by KNL)
22   HISTORY:         Major Revision               Date        By
23             -----------------------------     --------     -----
24             Created                           10/01/99      KNL
25 
26   MODULE NAME:        riptide.h
27   AUTHOR:             O. Druzhinin  (Transcribed by OLD)
28   HISTORY:         Major Revision               Date        By
29             -----------------------------     --------     -----
30             Created                           10/16/97      OLD
31 
32   MODULE NAME:        Rp_Cmdif.cpp
33   AUTHOR:             O. Druzhinin  (Transcribed by OLD)
34                       K. Lazarev    (Transcribed by KNL)
35   HISTORY:         Major Revision               Date        By
36             -----------------------------     --------     -----
37             Adopted from NT4 driver            6/22/99      OLD
38             Ported to Linux                    9/01/99      KNL
39 
40   MODULE NAME:        rt_hw.c
41   AUTHOR:             O. Druzhinin  (Transcribed by OLD)
42                       C. Lazarev    (Transcribed by CNL)
43   HISTORY:         Major Revision               Date        By
44             -----------------------------     --------     -----
45             Created                           11/18/97      OLD
46             Hardware functions for RipTide    11/24/97      CNL
47             (ES1) are coded
48             Hardware functions for RipTide    12/24/97      CNL
49             (A0) are coded
50             Hardware functions for RipTide    03/20/98      CNL
51             (A1) are coded
52             Boot loader is included           05/07/98      CNL
53             Redesigned for WDM                07/27/98      CNL
54             Redesigned for Linux              09/01/99      CNL
55 
56   MODULE NAME:        rt_hw.h
57   AUTHOR:             C. Lazarev    (Transcribed by CNL)
58   HISTORY:         Major Revision               Date        By
59             -----------------------------     --------     -----
60             Created                           11/18/97      CNL
61 
62   MODULE NAME:     rt_mdl.c
63   AUTHOR:          Konstantin Lazarev    (Transcribed by KNL)
64   HISTORY:         Major Revision               Date        By
65             -----------------------------     --------     -----
66             Created                           10/01/99      KNL
67 
68   MODULE NAME:        mixer.h
69   AUTHOR:             K. Kenney
70   HISTORY:         Major Revision                   Date          By
71             -----------------------------          --------     -----
72             Created from MS W95 Sample             11/28/95      KRS
73             RipTide                                10/15/97      KRS
74             Adopted for Windows NT driver          01/20/98      CNL
75 */
76 
77 #include <linux/delay.h>
78 #include <linux/init.h>
79 #include <linux/interrupt.h>
80 #include <linux/pci.h>
81 #include <linux/slab.h>
82 #include <linux/wait.h>
83 #include <linux/gameport.h>
84 #include <linux/device.h>
85 #include <linux/firmware.h>
86 #include <linux/kernel.h>
87 #include <linux/module.h>
88 #include <linux/io.h>
89 #include <sound/core.h>
90 #include <sound/info.h>
91 #include <sound/control.h>
92 #include <sound/pcm.h>
93 #include <sound/pcm_params.h>
94 #include <sound/ac97_codec.h>
95 #include <sound/mpu401.h>
96 #include <sound/opl3.h>
97 #include <sound/initval.h>
98 
99 #if IS_REACHABLE(CONFIG_GAMEPORT)
100 #define SUPPORT_JOYSTICK 1
101 #endif
102 
103 MODULE_AUTHOR("Peter Gruber <nokos@gmx.net>");
104 MODULE_DESCRIPTION("riptide");
105 MODULE_LICENSE("GPL");
106 MODULE_FIRMWARE("riptide.hex");
107 
108 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
109 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
110 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
111 
112 #ifdef SUPPORT_JOYSTICK
113 static int joystick_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x200 };
114 #endif
115 static int mpu_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x330 };
116 static int opl3_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x388 };
117 
118 module_param_array(index, int, NULL, 0444);
119 MODULE_PARM_DESC(index, "Index value for Riptide soundcard.");
120 module_param_array(id, charp, NULL, 0444);
121 MODULE_PARM_DESC(id, "ID string for Riptide soundcard.");
122 module_param_array(enable, bool, NULL, 0444);
123 MODULE_PARM_DESC(enable, "Enable Riptide soundcard.");
124 #ifdef SUPPORT_JOYSTICK
125 module_param_hw_array(joystick_port, int, ioport, NULL, 0444);
126 MODULE_PARM_DESC(joystick_port, "Joystick port # for Riptide soundcard.");
127 #endif
128 module_param_hw_array(mpu_port, int, ioport, NULL, 0444);
129 MODULE_PARM_DESC(mpu_port, "MPU401 port # for Riptide driver.");
130 module_param_hw_array(opl3_port, int, ioport, NULL, 0444);
131 MODULE_PARM_DESC(opl3_port, "OPL3 port # for Riptide driver.");
132 
133 /*
134  */
135 
136 #define MPU401_HW_RIPTIDE MPU401_HW_MPU401
137 #define OPL3_HW_RIPTIDE   OPL3_HW_OPL3
138 
139 #define PCI_EXT_CapId       0x40
140 #define PCI_EXT_NextCapPrt  0x41
141 #define PCI_EXT_PWMC        0x42
142 #define PCI_EXT_PWSCR       0x44
143 #define PCI_EXT_Data00      0x46
144 #define PCI_EXT_PMSCR_BSE   0x47
145 #define PCI_EXT_SB_Base     0x48
146 #define PCI_EXT_FM_Base     0x4a
147 #define PCI_EXT_MPU_Base    0x4C
148 #define PCI_EXT_Game_Base   0x4E
149 #define PCI_EXT_Legacy_Mask 0x50
150 #define PCI_EXT_AsicRev     0x52
151 #define PCI_EXT_Reserved3   0x53
152 
153 #define LEGACY_ENABLE_ALL      0x8000	/* legacy device options */
154 #define LEGACY_ENABLE_SB       0x4000
155 #define LEGACY_ENABLE_FM       0x2000
156 #define LEGACY_ENABLE_MPU_INT  0x1000
157 #define LEGACY_ENABLE_MPU      0x0800
158 #define LEGACY_ENABLE_GAMEPORT 0x0400
159 
160 #define MAX_WRITE_RETRY  10	/* cmd interface limits */
161 #define MAX_ERROR_COUNT  10
162 #define CMDIF_TIMEOUT    50000
163 #define RESET_TRIES      5
164 
165 #define READ_PORT_ULONG(p)     inl((unsigned long)&(p))
166 #define WRITE_PORT_ULONG(p,x)  outl(x,(unsigned long)&(p))
167 
168 #define READ_AUDIO_CONTROL(p)     READ_PORT_ULONG(p->audio_control)
169 #define WRITE_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,x)
170 #define UMASK_AUDIO_CONTROL(p,x)  WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)|x)
171 #define MASK_AUDIO_CONTROL(p,x)   WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)&x)
172 #define READ_AUDIO_STATUS(p)      READ_PORT_ULONG(p->audio_status)
173 
174 #define SET_GRESET(p)     UMASK_AUDIO_CONTROL(p,0x0001)	/* global reset switch */
175 #define UNSET_GRESET(p)   MASK_AUDIO_CONTROL(p,~0x0001)
176 #define SET_AIE(p)        UMASK_AUDIO_CONTROL(p,0x0004)	/* interrupt enable */
177 #define UNSET_AIE(p)      MASK_AUDIO_CONTROL(p,~0x0004)
178 #define SET_AIACK(p)      UMASK_AUDIO_CONTROL(p,0x0008)	/* interrupt acknowledge */
179 #define UNSET_AIACKT(p)   MASKAUDIO_CONTROL(p,~0x0008)
180 #define SET_ECMDAE(p)     UMASK_AUDIO_CONTROL(p,0x0010)
181 #define UNSET_ECMDAE(p)   MASK_AUDIO_CONTROL(p,~0x0010)
182 #define SET_ECMDBE(p)     UMASK_AUDIO_CONTROL(p,0x0020)
183 #define UNSET_ECMDBE(p)   MASK_AUDIO_CONTROL(p,~0x0020)
184 #define SET_EDATAF(p)     UMASK_AUDIO_CONTROL(p,0x0040)
185 #define UNSET_EDATAF(p)   MASK_AUDIO_CONTROL(p,~0x0040)
186 #define SET_EDATBF(p)     UMASK_AUDIO_CONTROL(p,0x0080)
187 #define UNSET_EDATBF(p)   MASK_AUDIO_CONTROL(p,~0x0080)
188 #define SET_ESBIRQON(p)   UMASK_AUDIO_CONTROL(p,0x0100)
189 #define UNSET_ESBIRQON(p) MASK_AUDIO_CONTROL(p,~0x0100)
190 #define SET_EMPUIRQ(p)    UMASK_AUDIO_CONTROL(p,0x0200)
191 #define UNSET_EMPUIRQ(p)  MASK_AUDIO_CONTROL(p,~0x0200)
192 #define IS_CMDE(a)        (READ_PORT_ULONG(a->stat)&0x1)	/* cmd empty */
193 #define IS_DATF(a)        (READ_PORT_ULONG(a->stat)&0x2)	/* data filled */
194 #define IS_READY(p)       (READ_AUDIO_STATUS(p)&0x0001)
195 #define IS_DLREADY(p)     (READ_AUDIO_STATUS(p)&0x0002)
196 #define IS_DLERR(p)       (READ_AUDIO_STATUS(p)&0x0004)
197 #define IS_GERR(p)        (READ_AUDIO_STATUS(p)&0x0008)	/* error ! */
198 #define IS_CMDAEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0010)
199 #define IS_CMDBEIRQ(p)    (READ_AUDIO_STATUS(p)&0x0020)
200 #define IS_DATAFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0040)
201 #define IS_DATBFIRQ(p)    (READ_AUDIO_STATUS(p)&0x0080)
202 #define IS_EOBIRQ(p)      (READ_AUDIO_STATUS(p)&0x0100)	/* interrupt status */
203 #define IS_EOSIRQ(p)      (READ_AUDIO_STATUS(p)&0x0200)
204 #define IS_EOCIRQ(p)      (READ_AUDIO_STATUS(p)&0x0400)
205 #define IS_UNSLIRQ(p)     (READ_AUDIO_STATUS(p)&0x0800)
206 #define IS_SBIRQ(p)       (READ_AUDIO_STATUS(p)&0x1000)
207 #define IS_MPUIRQ(p)      (READ_AUDIO_STATUS(p)&0x2000)
208 
209 #define RESP 0x00000001		/* command flags */
210 #define PARM 0x00000002
211 #define CMDA 0x00000004
212 #define CMDB 0x00000008
213 #define NILL 0x00000000
214 
215 #define LONG0(a)   ((u32)a)	/* shifts and masks */
216 #define BYTE0(a)   (LONG0(a)&0xff)
217 #define BYTE1(a)   (BYTE0(a)<<8)
218 #define BYTE2(a)   (BYTE0(a)<<16)
219 #define BYTE3(a)   (BYTE0(a)<<24)
220 #define WORD0(a)   (LONG0(a)&0xffff)
221 #define WORD1(a)   (WORD0(a)<<8)
222 #define WORD2(a)   (WORD0(a)<<16)
223 #define TRINIB0(a) (LONG0(a)&0xffffff)
224 #define TRINIB1(a) (TRINIB0(a)<<8)
225 
226 #define RET(a)     ((union cmdret *)(a))
227 
228 #define SEND_GETV(p,b)             sendcmd(p,RESP,GETV,0,RET(b))	/* get version */
229 #define SEND_GETC(p,b,c)           sendcmd(p,PARM|RESP,GETC,c,RET(b))
230 #define SEND_GUNS(p,b)             sendcmd(p,RESP,GUNS,0,RET(b))
231 #define SEND_SCID(p,b)             sendcmd(p,RESP,SCID,0,RET(b))
232 #define SEND_RMEM(p,b,c,d)         sendcmd(p,PARM|RESP,RMEM|BYTE1(b),LONG0(c),RET(d))	/* memory access for firmware write */
233 #define SEND_SMEM(p,b,c)           sendcmd(p,PARM,SMEM|BYTE1(b),LONG0(c),RET(0))	/* memory access for firmware write */
234 #define SEND_WMEM(p,b,c)           sendcmd(p,PARM,WMEM|BYTE1(b),LONG0(c),RET(0))	/* memory access for firmware write */
235 #define SEND_SDTM(p,b,c)           sendcmd(p,PARM|RESP,SDTM|TRINIB1(b),0,RET(c))	/* memory access for firmware write */
236 #define SEND_GOTO(p,b)             sendcmd(p,PARM,GOTO,LONG0(b),RET(0))	/* memory access for firmware write */
237 #define SEND_SETDPLL(p)	           sendcmd(p,0,ARM_SETDPLL,0,RET(0))
238 #define SEND_SSTR(p,b,c)           sendcmd(p,PARM,SSTR|BYTE3(b),LONG0(c),RET(0))	/* start stream */
239 #define SEND_PSTR(p,b)             sendcmd(p,PARM,PSTR,BYTE3(b),RET(0))	/* pause stream */
240 #define SEND_KSTR(p,b)             sendcmd(p,PARM,KSTR,BYTE3(b),RET(0))	/* stop stream */
241 #define SEND_KDMA(p)               sendcmd(p,0,KDMA,0,RET(0))	/* stop all dma */
242 #define SEND_GPOS(p,b,c,d)         sendcmd(p,PARM|RESP,GPOS,BYTE3(c)|BYTE2(b),RET(d))	/* get position in dma */
243 #define SEND_SETF(p,b,c,d,e,f,g)   sendcmd(p,PARM,SETF|WORD1(b)|BYTE3(c),d|BYTE1(e)|BYTE2(f)|BYTE3(g),RET(0))	/* set sample format at mixer */
244 #define SEND_GSTS(p,b,c,d)         sendcmd(p,PARM|RESP,GSTS,BYTE3(c)|BYTE2(b),RET(d))
245 #define SEND_NGPOS(p,b,c,d)        sendcmd(p,PARM|RESP,NGPOS,BYTE3(c)|BYTE2(b),RET(d))
246 #define SEND_PSEL(p,b,c)           sendcmd(p,PARM,PSEL,BYTE2(b)|BYTE3(c),RET(0))	/* activate lbus path */
247 #define SEND_PCLR(p,b,c)           sendcmd(p,PARM,PCLR,BYTE2(b)|BYTE3(c),RET(0))	/* deactivate lbus path */
248 #define SEND_PLST(p,b)             sendcmd(p,PARM,PLST,BYTE3(b),RET(0))
249 #define SEND_RSSV(p,b,c,d)         sendcmd(p,PARM|RESP,RSSV,BYTE2(b)|BYTE3(c),RET(d))
250 #define SEND_LSEL(p,b,c,d,e,f,g,h) sendcmd(p,PARM,LSEL|BYTE1(b)|BYTE2(c)|BYTE3(d),BYTE0(e)|BYTE1(f)|BYTE2(g)|BYTE3(h),RET(0))	/* select paths for internal connections */
251 #define SEND_SSRC(p,b,c,d,e)       sendcmd(p,PARM,SSRC|BYTE1(b)|WORD2(c),WORD0(d)|WORD2(e),RET(0))	/* configure source */
252 #define SEND_SLST(p,b)             sendcmd(p,PARM,SLST,BYTE3(b),RET(0))
253 #define SEND_RSRC(p,b,c)           sendcmd(p,RESP,RSRC|BYTE1(b),0,RET(c))	/* read source config */
254 #define SEND_SSRB(p,b,c)           sendcmd(p,PARM,SSRB|BYTE1(b),WORD2(c),RET(0))
255 #define SEND_SDGV(p,b,c,d,e)       sendcmd(p,PARM,SDGV|BYTE2(b)|BYTE3(c),WORD0(d)|WORD2(e),RET(0))	/* set digital mixer */
256 #define SEND_RDGV(p,b,c,d)         sendcmd(p,PARM|RESP,RDGV|BYTE2(b)|BYTE3(c),0,RET(d))	/* read digital mixer */
257 #define SEND_DLST(p,b)             sendcmd(p,PARM,DLST,BYTE3(b),RET(0))
258 #define SEND_SACR(p,b,c)           sendcmd(p,PARM,SACR,WORD0(b)|WORD2(c),RET(0))	/* set AC97 register */
259 #define SEND_RACR(p,b,c)           sendcmd(p,PARM|RESP,RACR,WORD2(b),RET(c))	/* get AC97 register */
260 #define SEND_ALST(p,b)             sendcmd(p,PARM,ALST,BYTE3(b),RET(0))
261 #define SEND_TXAC(p,b,c,d,e,f)     sendcmd(p,PARM,TXAC|BYTE1(b)|WORD2(c),WORD0(d)|BYTE2(e)|BYTE3(f),RET(0))
262 #define SEND_RXAC(p,b,c,d)         sendcmd(p,PARM|RESP,RXAC,BYTE2(b)|BYTE3(c),RET(d))
263 #define SEND_SI2S(p,b)             sendcmd(p,PARM,SI2S,WORD2(b),RET(0))
264 
265 #define EOB_STATUS         0x80000000	/* status flags : block boundary */
266 #define EOS_STATUS         0x40000000	/*              : stoppped */
267 #define EOC_STATUS         0x20000000	/*              : stream end */
268 #define ERR_STATUS         0x10000000
269 #define EMPTY_STATUS       0x08000000
270 
271 #define IEOB_ENABLE        0x1	/* enable interrupts for status notification above */
272 #define IEOS_ENABLE        0x2
273 #define IEOC_ENABLE        0x4
274 #define RDONCE             0x8
275 #define DESC_MAX_MASK      0xff
276 
277 #define ST_PLAY  0x1		/* stream states */
278 #define ST_STOP  0x2
279 #define ST_PAUSE 0x4
280 
281 #define I2S_INTDEC     3	/* config for I2S link */
282 #define I2S_MERGER     0
283 #define I2S_SPLITTER   0
284 #define I2S_MIXER      7
285 #define I2S_RATE       44100
286 
287 #define MODEM_INTDEC   4	/* config for modem link */
288 #define MODEM_MERGER   3
289 #define MODEM_SPLITTER 0
290 #define MODEM_MIXER    11
291 
292 #define FM_INTDEC      3	/* config for FM/OPL3 link */
293 #define FM_MERGER      0
294 #define FM_SPLITTER    0
295 #define FM_MIXER       9
296 
297 #define SPLIT_PATH  0x80	/* path splitting flag */
298 
299 enum FIRMWARE {
300 	DATA_REC = 0, EXT_END_OF_FILE, EXT_SEG_ADDR_REC, EXT_GOTO_CMD_REC,
301 	EXT_LIN_ADDR_REC,
302 };
303 
304 enum CMDS {
305 	GETV = 0x00, GETC, GUNS, SCID, RMEM =
306 	    0x10, SMEM, WMEM, SDTM, GOTO, SSTR =
307 	    0x20, PSTR, KSTR, KDMA, GPOS, SETF, GSTS, NGPOS, PSEL =
308 	    0x30, PCLR, PLST, RSSV, LSEL, SSRC = 0x40, SLST, RSRC, SSRB, SDGV =
309 	    0x50, RDGV, DLST, SACR = 0x60, RACR, ALST, TXAC, RXAC, SI2S =
310 	    0x70, ARM_SETDPLL = 0x72,
311 };
312 
313 enum E1SOURCE {
314 	ARM2LBUS_FIFO0 = 0, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2, ARM2LBUS_FIFO3,
315 	ARM2LBUS_FIFO4, ARM2LBUS_FIFO5, ARM2LBUS_FIFO6, ARM2LBUS_FIFO7,
316 	ARM2LBUS_FIFO8, ARM2LBUS_FIFO9, ARM2LBUS_FIFO10, ARM2LBUS_FIFO11,
317 	ARM2LBUS_FIFO12, ARM2LBUS_FIFO13, ARM2LBUS_FIFO14, ARM2LBUS_FIFO15,
318 	INTER0_OUT, INTER1_OUT, INTER2_OUT, INTER3_OUT, INTER4_OUT,
319 	INTERM0_OUT, INTERM1_OUT, INTERM2_OUT, INTERM3_OUT, INTERM4_OUT,
320 	INTERM5_OUT, INTERM6_OUT, DECIMM0_OUT, DECIMM1_OUT, DECIMM2_OUT,
321 	DECIMM3_OUT, DECIM0_OUT, SR3_4_OUT, OPL3_SAMPLE, ASRC0, ASRC1,
322 	ACLNK2PADC, ACLNK2MODEM0RX, ACLNK2MIC, ACLNK2MODEM1RX, ACLNK2HNDMIC,
323 	DIGITAL_MIXER_OUT0, GAINFUNC0_OUT, GAINFUNC1_OUT, GAINFUNC2_OUT,
324 	GAINFUNC3_OUT, GAINFUNC4_OUT, SOFTMODEMTX, SPLITTER0_OUTL,
325 	SPLITTER0_OUTR, SPLITTER1_OUTL, SPLITTER1_OUTR, SPLITTER2_OUTL,
326 	SPLITTER2_OUTR, SPLITTER3_OUTL, SPLITTER3_OUTR, MERGER0_OUT,
327 	MERGER1_OUT, MERGER2_OUT, MERGER3_OUT, ARM2LBUS_FIFO_DIRECT, NO_OUT
328 };
329 
330 enum E2SINK {
331 	LBUS2ARM_FIFO0 = 0, LBUS2ARM_FIFO1, LBUS2ARM_FIFO2, LBUS2ARM_FIFO3,
332 	LBUS2ARM_FIFO4, LBUS2ARM_FIFO5, LBUS2ARM_FIFO6, LBUS2ARM_FIFO7,
333 	INTER0_IN, INTER1_IN, INTER2_IN, INTER3_IN, INTER4_IN, INTERM0_IN,
334 	INTERM1_IN, INTERM2_IN, INTERM3_IN, INTERM4_IN, INTERM5_IN, INTERM6_IN,
335 	DECIMM0_IN, DECIMM1_IN, DECIMM2_IN, DECIMM3_IN, DECIM0_IN, SR3_4_IN,
336 	PDAC2ACLNK, MODEM0TX2ACLNK, MODEM1TX2ACLNK, HNDSPK2ACLNK,
337 	DIGITAL_MIXER_IN0, DIGITAL_MIXER_IN1, DIGITAL_MIXER_IN2,
338 	DIGITAL_MIXER_IN3, DIGITAL_MIXER_IN4, DIGITAL_MIXER_IN5,
339 	DIGITAL_MIXER_IN6, DIGITAL_MIXER_IN7, DIGITAL_MIXER_IN8,
340 	DIGITAL_MIXER_IN9, DIGITAL_MIXER_IN10, DIGITAL_MIXER_IN11,
341 	GAINFUNC0_IN, GAINFUNC1_IN, GAINFUNC2_IN, GAINFUNC3_IN, GAINFUNC4_IN,
342 	SOFTMODEMRX, SPLITTER0_IN, SPLITTER1_IN, SPLITTER2_IN, SPLITTER3_IN,
343 	MERGER0_INL, MERGER0_INR, MERGER1_INL, MERGER1_INR, MERGER2_INL,
344 	MERGER2_INR, MERGER3_INL, MERGER3_INR, E2SINK_MAX
345 };
346 
347 enum LBUS_SINK {
348 	LS_SRC_INTERPOLATOR = 0, LS_SRC_INTERPOLATORM, LS_SRC_DECIMATOR,
349 	LS_SRC_DECIMATORM, LS_MIXER_IN, LS_MIXER_GAIN_FUNCTION,
350 	LS_SRC_SPLITTER, LS_SRC_MERGER, LS_NONE1, LS_NONE2,
351 };
352 
353 enum RT_CHANNEL_IDS {
354 	M0TX = 0, M1TX, TAMTX, HSSPKR, PDAC, DSNDTX0, DSNDTX1, DSNDTX2,
355 	DSNDTX3, DSNDTX4, DSNDTX5, DSNDTX6, DSNDTX7, WVSTRTX, COP3DTX, SPARE,
356 	M0RX, HSMIC, M1RX, CLEANRX, MICADC, PADC, COPRX1, COPRX2,
357 	CHANNEL_ID_COUNTER
358 };
359 
360 enum { SB_CMD = 0, MODEM_CMD, I2S_CMD0, I2S_CMD1, FM_CMD, MAX_CMD };
361 
362 struct lbuspath {
363 	const unsigned char *noconv;
364 	const unsigned char *stereo;
365 	const unsigned char *mono;
366 };
367 
368 struct cmdport {
369 	u32 data1;		/* cmd,param */
370 	u32 data2;		/* param */
371 	u32 stat;		/* status */
372 	u32 pad[5];
373 };
374 
375 struct riptideport {
376 	u32 audio_control;	/* status registers */
377 	u32 audio_status;
378 	u32 pad[2];
379 	struct cmdport port[2];	/* command ports */
380 };
381 
382 struct cmdif {
383 	struct riptideport *hwport;
384 	spinlock_t lock;
385 	unsigned int cmdcnt;	/* cmd statistics */
386 	unsigned int cmdtime;
387 	unsigned int cmdtimemax;
388 	unsigned int cmdtimemin;
389 	unsigned int errcnt;
390 	int is_reset;
391 };
392 
393 struct riptide_firmware {
394 	u16 ASIC;
395 	u16 CODEC;
396 	u16 AUXDSP;
397 	u16 PROG;
398 };
399 
400 union cmdret {
401 	u8 retbytes[8];
402 	u16 retwords[4];
403 	u32 retlongs[2];
404 };
405 
406 union firmware_version {
407 	union cmdret ret;
408 	struct riptide_firmware firmware;
409 };
410 
411 #define get_pcmhwdev(substream) (struct pcmhw *)(substream->runtime->private_data)
412 
413 #define PLAYBACK_SUBSTREAMS 3
414 struct snd_riptide {
415 	struct snd_card *card;
416 	struct pci_dev *pci;
417 	const struct firmware *fw_entry;
418 
419 	struct cmdif *cif;
420 
421 	struct snd_pcm *pcm;
422 	struct snd_pcm *pcm_i2s;
423 	struct snd_rawmidi *rmidi;
424 	struct snd_opl3 *opl3;
425 	struct snd_ac97 *ac97;
426 	struct snd_ac97_bus *ac97_bus;
427 
428 	struct snd_pcm_substream *playback_substream[PLAYBACK_SUBSTREAMS];
429 	struct snd_pcm_substream *capture_substream;
430 
431 	int openstreams;
432 
433 	int irq;
434 	unsigned long port;
435 	unsigned short mpuaddr;
436 	unsigned short opladdr;
437 #ifdef SUPPORT_JOYSTICK
438 	unsigned short gameaddr;
439 #endif
440 	struct resource *res_port;
441 
442 	unsigned short device_id;
443 
444 	union firmware_version firmware;
445 
446 	spinlock_t lock;
447 	struct snd_info_entry *proc_entry;
448 
449 	unsigned long received_irqs;
450 	unsigned long handled_irqs;
451 	int in_suspend;
452 };
453 
454 struct sgd {			/* scatter gather desriptor */
455 	__le32 dwNextLink;
456 	__le32 dwSegPtrPhys;
457 	__le32 dwSegLen;
458 	__le32 dwStat_Ctl;
459 };
460 
461 struct pcmhw {			/* pcm descriptor */
462 	struct lbuspath paths;
463 	const unsigned char *lbuspath;
464 	unsigned char source;
465 	unsigned char intdec[2];
466 	unsigned char mixer;
467 	unsigned char id;
468 	unsigned char state;
469 	unsigned int rate;
470 	unsigned int channels;
471 	snd_pcm_format_t format;
472 	struct snd_dma_buffer sgdlist;
473 	struct sgd *sgdbuf;
474 	unsigned int size;
475 	unsigned int pages;
476 	unsigned int oldpos;
477 	unsigned int pointer;
478 };
479 
480 #define CMDRET_ZERO (union cmdret){{(u32)0, (u32) 0}}
481 
482 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
483 		   union cmdret *ret);
484 static int getsourcesink(struct cmdif *cif, unsigned char source,
485 			 unsigned char sink, unsigned char *a,
486 			 unsigned char *b);
487 static int snd_riptide_initialize(struct snd_riptide *chip);
488 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip);
489 
490 /*
491  */
492 
493 static const struct pci_device_id snd_riptide_ids[] = {
494 	{ PCI_DEVICE(0x127a, 0x4310) },
495 	{ PCI_DEVICE(0x127a, 0x4320) },
496 	{ PCI_DEVICE(0x127a, 0x4330) },
497 	{ PCI_DEVICE(0x127a, 0x4340) },
498 	{0,},
499 };
500 
501 #ifdef SUPPORT_JOYSTICK
502 static const struct pci_device_id snd_riptide_joystick_ids[] = {
503 	{ PCI_DEVICE(0x127a, 0x4312) },
504 	{ PCI_DEVICE(0x127a, 0x4322) },
505 	{ PCI_DEVICE(0x127a, 0x4332) },
506 	{ PCI_DEVICE(0x127a, 0x4342) },
507 	{0,},
508 };
509 #endif
510 
511 MODULE_DEVICE_TABLE(pci, snd_riptide_ids);
512 
513 /*
514  */
515 
516 static const unsigned char lbusin2out[E2SINK_MAX + 1][2] = {
517 	{NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
518 								     LS_NONE2},
519 	{NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
520 								     LS_NONE2},
521 	{INTER0_OUT, LS_SRC_INTERPOLATOR}, {INTER1_OUT, LS_SRC_INTERPOLATOR},
522 	{INTER2_OUT, LS_SRC_INTERPOLATOR}, {INTER3_OUT, LS_SRC_INTERPOLATOR},
523 	{INTER4_OUT, LS_SRC_INTERPOLATOR}, {INTERM0_OUT, LS_SRC_INTERPOLATORM},
524 	{INTERM1_OUT, LS_SRC_INTERPOLATORM}, {INTERM2_OUT,
525 					      LS_SRC_INTERPOLATORM},
526 	{INTERM3_OUT, LS_SRC_INTERPOLATORM}, {INTERM4_OUT,
527 					      LS_SRC_INTERPOLATORM},
528 	{INTERM5_OUT, LS_SRC_INTERPOLATORM}, {INTERM6_OUT,
529 					      LS_SRC_INTERPOLATORM},
530 	{DECIMM0_OUT, LS_SRC_DECIMATORM}, {DECIMM1_OUT, LS_SRC_DECIMATORM},
531 	{DECIMM2_OUT, LS_SRC_DECIMATORM}, {DECIMM3_OUT, LS_SRC_DECIMATORM},
532 	{DECIM0_OUT, LS_SRC_DECIMATOR}, {SR3_4_OUT, LS_NONE1}, {NO_OUT,
533 								LS_NONE2},
534 	{NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1},
535 	{DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
536 	{DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
537 	{DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
538 	{DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
539 	{DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
540 	{DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
541 	{GAINFUNC0_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC1_OUT,
542 						  LS_MIXER_GAIN_FUNCTION},
543 	{GAINFUNC2_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC3_OUT,
544 						  LS_MIXER_GAIN_FUNCTION},
545 	{GAINFUNC4_OUT, LS_MIXER_GAIN_FUNCTION}, {SOFTMODEMTX, LS_NONE1},
546 	{SPLITTER0_OUTL, LS_SRC_SPLITTER}, {SPLITTER1_OUTL, LS_SRC_SPLITTER},
547 	{SPLITTER2_OUTL, LS_SRC_SPLITTER}, {SPLITTER3_OUTL, LS_SRC_SPLITTER},
548 	{MERGER0_OUT, LS_SRC_MERGER}, {MERGER0_OUT, LS_SRC_MERGER},
549 	{MERGER1_OUT, LS_SRC_MERGER},
550 	{MERGER1_OUT, LS_SRC_MERGER}, {MERGER2_OUT, LS_SRC_MERGER},
551 	{MERGER2_OUT, LS_SRC_MERGER},
552 	{MERGER3_OUT, LS_SRC_MERGER}, {MERGER3_OUT, LS_SRC_MERGER}, {NO_OUT,
553 								     LS_NONE2},
554 };
555 
556 static const unsigned char lbus_play_opl3[] = {
557 	DIGITAL_MIXER_IN0 + FM_MIXER, 0xff
558 };
559 static const unsigned char lbus_play_modem[] = {
560 	DIGITAL_MIXER_IN0 + MODEM_MIXER, 0xff
561 };
562 static const unsigned char lbus_play_i2s[] = {
563 	INTER0_IN + I2S_INTDEC, DIGITAL_MIXER_IN0 + I2S_MIXER, 0xff
564 };
565 static const unsigned char lbus_play_out[] = {
566 	PDAC2ACLNK, 0xff
567 };
568 static const unsigned char lbus_play_outhp[] = {
569 	HNDSPK2ACLNK, 0xff
570 };
571 static const unsigned char lbus_play_noconv1[] = {
572 	DIGITAL_MIXER_IN0, 0xff
573 };
574 static const unsigned char lbus_play_stereo1[] = {
575 	INTER0_IN, DIGITAL_MIXER_IN0, 0xff
576 };
577 static const unsigned char lbus_play_mono1[] = {
578 	INTERM0_IN, DIGITAL_MIXER_IN0, 0xff
579 };
580 static const unsigned char lbus_play_noconv2[] = {
581 	DIGITAL_MIXER_IN1, 0xff
582 };
583 static const unsigned char lbus_play_stereo2[] = {
584 	INTER1_IN, DIGITAL_MIXER_IN1, 0xff
585 };
586 static const unsigned char lbus_play_mono2[] = {
587 	INTERM1_IN, DIGITAL_MIXER_IN1, 0xff
588 };
589 static const unsigned char lbus_play_noconv3[] = {
590 	DIGITAL_MIXER_IN2, 0xff
591 };
592 static const unsigned char lbus_play_stereo3[] = {
593 	INTER2_IN, DIGITAL_MIXER_IN2, 0xff
594 };
595 static const unsigned char lbus_play_mono3[] = {
596 	INTERM2_IN, DIGITAL_MIXER_IN2, 0xff
597 };
598 static const unsigned char lbus_rec_noconv1[] = {
599 	LBUS2ARM_FIFO5, 0xff
600 };
601 static const unsigned char lbus_rec_stereo1[] = {
602 	DECIM0_IN, LBUS2ARM_FIFO5, 0xff
603 };
604 static const unsigned char lbus_rec_mono1[] = {
605 	DECIMM3_IN, LBUS2ARM_FIFO5, 0xff
606 };
607 
608 static const unsigned char play_ids[] = { 4, 1, 2, };
609 static const unsigned char play_sources[] = {
610 	ARM2LBUS_FIFO4, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2,
611 };
612 static const struct lbuspath lbus_play_paths[] = {
613 	{
614 	 .noconv = lbus_play_noconv1,
615 	 .stereo = lbus_play_stereo1,
616 	 .mono = lbus_play_mono1,
617 	 },
618 	{
619 	 .noconv = lbus_play_noconv2,
620 	 .stereo = lbus_play_stereo2,
621 	 .mono = lbus_play_mono2,
622 	 },
623 	{
624 	 .noconv = lbus_play_noconv3,
625 	 .stereo = lbus_play_stereo3,
626 	 .mono = lbus_play_mono3,
627 	 },
628 };
629 static const struct lbuspath lbus_rec_path = {
630 	.noconv = lbus_rec_noconv1,
631 	.stereo = lbus_rec_stereo1,
632 	.mono = lbus_rec_mono1,
633 };
634 
635 #define FIRMWARE_VERSIONS 1
636 static union firmware_version firmware_versions[] = {
637 	{
638 		.firmware = {
639 			.ASIC = 3,
640 			.CODEC = 2,
641 			.AUXDSP = 3,
642 			.PROG = 773,
643 		},
644 	},
645 };
646 
647 static u32 atoh(const unsigned char *in, unsigned int len)
648 {
649 	u32 sum = 0;
650 	unsigned int mult = 1;
651 	unsigned char c;
652 
653 	while (len) {
654 		int value;
655 
656 		c = in[len - 1];
657 		value = hex_to_bin(c);
658 		if (value >= 0)
659 			sum += mult * value;
660 		mult *= 16;
661 		--len;
662 	}
663 	return sum;
664 }
665 
666 static int senddata(struct cmdif *cif, const unsigned char *in, u32 offset)
667 {
668 	u32 addr;
669 	u32 data;
670 	u32 i;
671 	const unsigned char *p;
672 
673 	i = atoh(&in[1], 2);
674 	addr = offset + atoh(&in[3], 4);
675 	if (SEND_SMEM(cif, 0, addr) != 0)
676 		return -EACCES;
677 	p = in + 9;
678 	while (i) {
679 		data = atoh(p, 8);
680 		if (SEND_WMEM(cif, 2,
681 			      ((data & 0x0f0f0f0f) << 4) | ((data & 0xf0f0f0f0)
682 							    >> 4)))
683 			return -EACCES;
684 		i -= 4;
685 		p += 8;
686 	}
687 	return 0;
688 }
689 
690 static int loadfirmware(struct cmdif *cif, const unsigned char *img,
691 			unsigned int size)
692 {
693 	const unsigned char *in;
694 	u32 laddr, saddr, t, val;
695 	int err = 0;
696 
697 	laddr = saddr = 0;
698 	while (size > 0 && err == 0) {
699 		in = img;
700 		if (in[0] == ':') {
701 			t = atoh(&in[7], 2);
702 			switch (t) {
703 			case DATA_REC:
704 				err = senddata(cif, in, laddr + saddr);
705 				break;
706 			case EXT_SEG_ADDR_REC:
707 				saddr = atoh(&in[9], 4) << 4;
708 				break;
709 			case EXT_LIN_ADDR_REC:
710 				laddr = atoh(&in[9], 4) << 16;
711 				break;
712 			case EXT_GOTO_CMD_REC:
713 				val = atoh(&in[9], 8);
714 				if (SEND_GOTO(cif, val) != 0)
715 					err = -EACCES;
716 				break;
717 			case EXT_END_OF_FILE:
718 				size = 0;
719 				break;
720 			default:
721 				break;
722 			}
723 			while (size > 0) {
724 				size--;
725 				if (*img++ == '\n')
726 					break;
727 			}
728 		}
729 	}
730 	snd_printdd("load firmware return %d\n", err);
731 	return err;
732 }
733 
734 static void
735 alloclbuspath(struct cmdif *cif, unsigned char source,
736 	      const unsigned char *path, unsigned char *mixer, unsigned char *s)
737 {
738 	while (*path != 0xff) {
739 		unsigned char sink, type;
740 
741 		sink = *path & (~SPLIT_PATH);
742 		if (sink != E2SINK_MAX) {
743 			snd_printdd("alloc path 0x%x->0x%x\n", source, sink);
744 			SEND_PSEL(cif, source, sink);
745 			source = lbusin2out[sink][0];
746 			type = lbusin2out[sink][1];
747 			if (type == LS_MIXER_IN) {
748 				if (mixer)
749 					*mixer = sink - DIGITAL_MIXER_IN0;
750 			}
751 			if (type == LS_SRC_DECIMATORM ||
752 			    type == LS_SRC_DECIMATOR ||
753 			    type == LS_SRC_INTERPOLATORM ||
754 			    type == LS_SRC_INTERPOLATOR) {
755 				if (s) {
756 					if (s[0] != 0xff)
757 						s[1] = sink;
758 					else
759 						s[0] = sink;
760 				}
761 			}
762 		}
763 		if (*path++ & SPLIT_PATH) {
764 			const unsigned char *npath = path;
765 
766 			while (*npath != 0xff)
767 				npath++;
768 			alloclbuspath(cif, source + 1, ++npath, mixer, s);
769 		}
770 	}
771 }
772 
773 static void
774 freelbuspath(struct cmdif *cif, unsigned char source, const unsigned char *path)
775 {
776 	while (*path != 0xff) {
777 		unsigned char sink;
778 
779 		sink = *path & (~SPLIT_PATH);
780 		if (sink != E2SINK_MAX) {
781 			snd_printdd("free path 0x%x->0x%x\n", source, sink);
782 			SEND_PCLR(cif, source, sink);
783 			source = lbusin2out[sink][0];
784 		}
785 		if (*path++ & SPLIT_PATH) {
786 			const unsigned char *npath = path;
787 
788 			while (*npath != 0xff)
789 				npath++;
790 			freelbuspath(cif, source + 1, ++npath);
791 		}
792 	}
793 }
794 
795 static int writearm(struct cmdif *cif, u32 addr, u32 data, u32 mask)
796 {
797 	union cmdret rptr = CMDRET_ZERO;
798 	unsigned int i = MAX_WRITE_RETRY;
799 	int flag = 1;
800 
801 	SEND_RMEM(cif, 0x02, addr, &rptr);
802 	rptr.retlongs[0] &= (~mask);
803 
804 	while (--i) {
805 		SEND_SMEM(cif, 0x01, addr);
806 		SEND_WMEM(cif, 0x02, (rptr.retlongs[0] | data));
807 		SEND_RMEM(cif, 0x02, addr, &rptr);
808 		if ((rptr.retlongs[0] & data) == data) {
809 			flag = 0;
810 			break;
811 		} else
812 			rptr.retlongs[0] &= ~mask;
813 	}
814 	snd_printdd("send arm 0x%x 0x%x 0x%x return %d\n", addr, data, mask,
815 		    flag);
816 	return flag;
817 }
818 
819 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
820 		   union cmdret *ret)
821 {
822 	int i, j;
823 	int err;
824 	unsigned int time = 0;
825 	unsigned long irqflags;
826 	struct riptideport *hwport;
827 	struct cmdport *cmdport = NULL;
828 
829 	if (snd_BUG_ON(!cif))
830 		return -EINVAL;
831 
832 	hwport = cif->hwport;
833 	if (cif->errcnt > MAX_ERROR_COUNT) {
834 		if (cif->is_reset) {
835 			snd_printk(KERN_ERR
836 				   "Riptide: Too many failed cmds, reinitializing\n");
837 			if (riptide_reset(cif, NULL) == 0) {
838 				cif->errcnt = 0;
839 				return -EIO;
840 			}
841 		}
842 		snd_printk(KERN_ERR "Riptide: Initialization failed.\n");
843 		return -EINVAL;
844 	}
845 	if (ret) {
846 		ret->retlongs[0] = 0;
847 		ret->retlongs[1] = 0;
848 	}
849 	i = 0;
850 	spin_lock_irqsave(&cif->lock, irqflags);
851 	while (i++ < CMDIF_TIMEOUT && !IS_READY(cif->hwport))
852 		udelay(10);
853 	if (i > CMDIF_TIMEOUT) {
854 		err = -EBUSY;
855 		goto errout;
856 	}
857 
858 	err = 0;
859 	for (j = 0, time = 0; time < CMDIF_TIMEOUT; j++, time += 2) {
860 		cmdport = &(hwport->port[j % 2]);
861 		if (IS_DATF(cmdport)) {	/* free pending data */
862 			READ_PORT_ULONG(cmdport->data1);
863 			READ_PORT_ULONG(cmdport->data2);
864 		}
865 		if (IS_CMDE(cmdport)) {
866 			if (flags & PARM)	/* put data */
867 				WRITE_PORT_ULONG(cmdport->data2, parm);
868 			WRITE_PORT_ULONG(cmdport->data1, cmd);	/* write cmd */
869 			if ((flags & RESP) && ret) {
870 				while (!IS_DATF(cmdport) &&
871 				       time < CMDIF_TIMEOUT) {
872 					udelay(10);
873 					time++;
874 				}
875 				if (time < CMDIF_TIMEOUT) {	/* read response */
876 					ret->retlongs[0] =
877 					    READ_PORT_ULONG(cmdport->data1);
878 					ret->retlongs[1] =
879 					    READ_PORT_ULONG(cmdport->data2);
880 				} else {
881 					err = -ENOSYS;
882 					goto errout;
883 				}
884 			}
885 			break;
886 		}
887 		udelay(20);
888 	}
889 	if (time == CMDIF_TIMEOUT) {
890 		err = -ENODATA;
891 		goto errout;
892 	}
893 	spin_unlock_irqrestore(&cif->lock, irqflags);
894 
895 	cif->cmdcnt++;		/* update command statistics */
896 	cif->cmdtime += time;
897 	if (time > cif->cmdtimemax)
898 		cif->cmdtimemax = time;
899 	if (time < cif->cmdtimemin)
900 		cif->cmdtimemin = time;
901 	if ((cif->cmdcnt) % 1000 == 0)
902 		snd_printdd
903 		    ("send cmd %d time: %d mintime: %d maxtime %d err: %d\n",
904 		     cif->cmdcnt, cif->cmdtime, cif->cmdtimemin,
905 		     cif->cmdtimemax, cif->errcnt);
906 	return 0;
907 
908       errout:
909 	cif->errcnt++;
910 	spin_unlock_irqrestore(&cif->lock, irqflags);
911 	snd_printdd
912 	    ("send cmd %d hw: 0x%x flag: 0x%x cmd: 0x%x parm: 0x%x ret: 0x%x 0x%x CMDE: %d DATF: %d failed %d\n",
913 	     cif->cmdcnt, (int)((void *)&(cmdport->stat) - (void *)hwport),
914 	     flags, cmd, parm, ret ? ret->retlongs[0] : 0,
915 	     ret ? ret->retlongs[1] : 0, IS_CMDE(cmdport), IS_DATF(cmdport),
916 	     err);
917 	return err;
918 }
919 
920 static int
921 setmixer(struct cmdif *cif, short num, unsigned short rval, unsigned short lval)
922 {
923 	union cmdret rptr = CMDRET_ZERO;
924 	int i = 0;
925 
926 	snd_printdd("sent mixer %d: 0x%x 0x%x\n", num, rval, lval);
927 	do {
928 		SEND_SDGV(cif, num, num, rval, lval);
929 		SEND_RDGV(cif, num, num, &rptr);
930 		if (rptr.retwords[0] == lval && rptr.retwords[1] == rval)
931 			return 0;
932 	} while (i++ < MAX_WRITE_RETRY);
933 	snd_printdd("sent mixer failed\n");
934 	return -EIO;
935 }
936 
937 static int getpaths(struct cmdif *cif, unsigned char *o)
938 {
939 	unsigned char src[E2SINK_MAX];
940 	unsigned char sink[E2SINK_MAX];
941 	int i, j = 0;
942 
943 	for (i = 0; i < E2SINK_MAX; i++) {
944 		getsourcesink(cif, i, i, &src[i], &sink[i]);
945 		if (sink[i] < E2SINK_MAX) {
946 			o[j++] = sink[i];
947 			o[j++] = i;
948 		}
949 	}
950 	return j;
951 }
952 
953 static int
954 getsourcesink(struct cmdif *cif, unsigned char source, unsigned char sink,
955 	      unsigned char *a, unsigned char *b)
956 {
957 	union cmdret rptr = CMDRET_ZERO;
958 
959 	if (SEND_RSSV(cif, source, sink, &rptr) &&
960 	    SEND_RSSV(cif, source, sink, &rptr))
961 		return -EIO;
962 	*a = rptr.retbytes[0];
963 	*b = rptr.retbytes[1];
964 	snd_printdd("getsourcesink 0x%x 0x%x\n", *a, *b);
965 	return 0;
966 }
967 
968 static int
969 getsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int *rate)
970 {
971 	unsigned char *s;
972 	unsigned int p[2] = { 0, 0 };
973 	int i;
974 	union cmdret rptr = CMDRET_ZERO;
975 
976 	s = intdec;
977 	for (i = 0; i < 2; i++) {
978 		if (*s != 0xff) {
979 			if (SEND_RSRC(cif, *s, &rptr) &&
980 			    SEND_RSRC(cif, *s, &rptr))
981 				return -EIO;
982 			p[i] += rptr.retwords[1];
983 			p[i] *= rptr.retwords[2];
984 			p[i] += rptr.retwords[3];
985 			p[i] /= 65536;
986 		}
987 		s++;
988 	}
989 	if (p[0]) {
990 		if (p[1] != p[0])
991 			snd_printdd("rates differ %d %d\n", p[0], p[1]);
992 		*rate = (unsigned int)p[0];
993 	} else
994 		*rate = (unsigned int)p[1];
995 	snd_printdd("getsampleformat %d %d %d\n", intdec[0], intdec[1], *rate);
996 	return 0;
997 }
998 
999 static int
1000 setsampleformat(struct cmdif *cif,
1001 		unsigned char mixer, unsigned char id,
1002 		unsigned char channels, snd_pcm_format_t format)
1003 {
1004 	unsigned char w, ch, sig, order;
1005 
1006 	snd_printdd
1007 	    ("setsampleformat mixer: %d id: %d channels: %d format: %d\n",
1008 	     mixer, id, channels, format);
1009 	ch = channels == 1;
1010 	w = snd_pcm_format_width(format) == 8;
1011 	sig = snd_pcm_format_unsigned(format) != 0;
1012 	order = snd_pcm_format_big_endian(format) != 0;
1013 
1014 	if (SEND_SETF(cif, mixer, w, ch, order, sig, id) &&
1015 	    SEND_SETF(cif, mixer, w, ch, order, sig, id)) {
1016 		snd_printdd("setsampleformat failed\n");
1017 		return -EIO;
1018 	}
1019 	return 0;
1020 }
1021 
1022 static int
1023 setsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int rate)
1024 {
1025 	u32 D, M, N;
1026 	union cmdret rptr = CMDRET_ZERO;
1027 	int i;
1028 
1029 	snd_printdd("setsamplerate intdec: %d,%d rate: %d\n", intdec[0],
1030 		    intdec[1], rate);
1031 	D = 48000;
1032 	M = ((rate == 48000) ? 47999 : rate) * 65536;
1033 	N = M % D;
1034 	M /= D;
1035 	for (i = 0; i < 2; i++) {
1036 		if (*intdec != 0xff) {
1037 			do {
1038 				SEND_SSRC(cif, *intdec, D, M, N);
1039 				SEND_RSRC(cif, *intdec, &rptr);
1040 			} while (rptr.retwords[1] != D &&
1041 				 rptr.retwords[2] != M &&
1042 				 rptr.retwords[3] != N &&
1043 				 i++ < MAX_WRITE_RETRY);
1044 			if (i > MAX_WRITE_RETRY) {
1045 				snd_printdd("sent samplerate %d: %d failed\n",
1046 					    *intdec, rate);
1047 				return -EIO;
1048 			}
1049 		}
1050 		intdec++;
1051 	}
1052 	return 0;
1053 }
1054 
1055 static int
1056 getmixer(struct cmdif *cif, short num, unsigned short *rval,
1057 	 unsigned short *lval)
1058 {
1059 	union cmdret rptr = CMDRET_ZERO;
1060 
1061 	if (SEND_RDGV(cif, num, num, &rptr) && SEND_RDGV(cif, num, num, &rptr))
1062 		return -EIO;
1063 	*rval = rptr.retwords[0];
1064 	*lval = rptr.retwords[1];
1065 	snd_printdd("got mixer %d: 0x%x 0x%x\n", num, *rval, *lval);
1066 	return 0;
1067 }
1068 
1069 static irqreturn_t riptide_handleirq(int irq, void *dev_id)
1070 {
1071 	struct snd_riptide *chip = dev_id;
1072 	struct cmdif *cif = chip->cif;
1073 	struct snd_pcm_substream *substream[PLAYBACK_SUBSTREAMS + 1];
1074 	struct snd_pcm_runtime *runtime;
1075 	struct pcmhw *data = NULL;
1076 	unsigned int pos, period_bytes;
1077 	struct sgd *c;
1078 	int i, j;
1079 	unsigned int flag;
1080 
1081 	if (!cif)
1082 		return IRQ_HANDLED;
1083 
1084 	for (i = 0; i < PLAYBACK_SUBSTREAMS; i++)
1085 		substream[i] = chip->playback_substream[i];
1086 	substream[i] = chip->capture_substream;
1087 	for (i = 0; i < PLAYBACK_SUBSTREAMS + 1; i++) {
1088 		if (!substream[i])
1089 			continue;
1090 		runtime = substream[i]->runtime;
1091 		if (!runtime)
1092 			continue;
1093 		data = runtime->private_data;
1094 		if (!data)
1095 			continue;
1096 		if (data->state != ST_STOP) {
1097 			pos = 0;
1098 			for (j = 0; j < data->pages; j++) {
1099 				c = &data->sgdbuf[j];
1100 				flag = le32_to_cpu(c->dwStat_Ctl);
1101 				if (flag & EOB_STATUS)
1102 					pos += le32_to_cpu(c->dwSegLen);
1103 				if (flag & EOC_STATUS)
1104 					pos += le32_to_cpu(c->dwSegLen);
1105 				if ((flag & EOS_STATUS)
1106 				    && (data->state == ST_PLAY)) {
1107 					data->state = ST_STOP;
1108 					snd_printk(KERN_ERR
1109 						   "Riptide: DMA stopped unexpectedly\n");
1110 				}
1111 				c->dwStat_Ctl =
1112 				    cpu_to_le32(flag &
1113 						~(EOS_STATUS | EOB_STATUS |
1114 						  EOC_STATUS));
1115 			}
1116 			data->pointer += pos;
1117 			pos += data->oldpos;
1118 			if (data->state != ST_STOP) {
1119 				period_bytes =
1120 				    frames_to_bytes(runtime,
1121 						    runtime->period_size);
1122 				snd_printdd
1123 				    ("interrupt 0x%x after 0x%lx of 0x%lx frames in period\n",
1124 				     READ_AUDIO_STATUS(cif->hwport),
1125 				     bytes_to_frames(runtime, pos),
1126 				     runtime->period_size);
1127 				j = 0;
1128 				if (pos >= period_bytes) {
1129 					j++;
1130 					while (pos >= period_bytes)
1131 						pos -= period_bytes;
1132 				}
1133 				data->oldpos = pos;
1134 				if (j > 0)
1135 					snd_pcm_period_elapsed(substream[i]);
1136 			}
1137 		}
1138 	}
1139 
1140 	return IRQ_HANDLED;
1141 }
1142 
1143 static int riptide_suspend(struct device *dev)
1144 {
1145 	struct snd_card *card = dev_get_drvdata(dev);
1146 	struct snd_riptide *chip = card->private_data;
1147 
1148 	chip->in_suspend = 1;
1149 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1150 	snd_ac97_suspend(chip->ac97);
1151 	return 0;
1152 }
1153 
1154 static int riptide_resume(struct device *dev)
1155 {
1156 	struct snd_card *card = dev_get_drvdata(dev);
1157 	struct snd_riptide *chip = card->private_data;
1158 
1159 	snd_riptide_initialize(chip);
1160 	snd_ac97_resume(chip->ac97);
1161 	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1162 	chip->in_suspend = 0;
1163 	return 0;
1164 }
1165 
1166 static DEFINE_SIMPLE_DEV_PM_OPS(riptide_pm, riptide_suspend, riptide_resume);
1167 
1168 static int try_to_load_firmware(struct cmdif *cif, struct snd_riptide *chip)
1169 {
1170 	union firmware_version firmware = { .ret = CMDRET_ZERO };
1171 	int i, timeout, err;
1172 
1173 	for (i = 0; i < 2; i++) {
1174 		WRITE_PORT_ULONG(cif->hwport->port[i].data1, 0);
1175 		WRITE_PORT_ULONG(cif->hwport->port[i].data2, 0);
1176 	}
1177 	SET_GRESET(cif->hwport);
1178 	udelay(100);
1179 	UNSET_GRESET(cif->hwport);
1180 	udelay(100);
1181 
1182 	for (timeout = 100000; --timeout; udelay(10)) {
1183 		if (IS_READY(cif->hwport) && !IS_GERR(cif->hwport))
1184 			break;
1185 	}
1186 	if (!timeout) {
1187 		snd_printk(KERN_ERR
1188 			   "Riptide: device not ready, audio status: 0x%x "
1189 			   "ready: %d gerr: %d\n",
1190 			   READ_AUDIO_STATUS(cif->hwport),
1191 			   IS_READY(cif->hwport), IS_GERR(cif->hwport));
1192 		return -EIO;
1193 	} else {
1194 		snd_printdd
1195 			("Riptide: audio status: 0x%x ready: %d gerr: %d\n",
1196 			 READ_AUDIO_STATUS(cif->hwport),
1197 			 IS_READY(cif->hwport), IS_GERR(cif->hwport));
1198 	}
1199 
1200 	SEND_GETV(cif, &firmware.ret);
1201 	snd_printdd("Firmware version: ASIC: %d CODEC %d AUXDSP %d PROG %d\n",
1202 		    firmware.firmware.ASIC, firmware.firmware.CODEC,
1203 		    firmware.firmware.AUXDSP, firmware.firmware.PROG);
1204 
1205 	if (!chip)
1206 		return 1;
1207 
1208 	for (i = 0; i < FIRMWARE_VERSIONS; i++) {
1209 		if (!memcmp(&firmware_versions[i], &firmware, sizeof(firmware)))
1210 			return 1; /* OK */
1211 
1212 	}
1213 
1214 	snd_printdd("Writing Firmware\n");
1215 	if (!chip->fw_entry) {
1216 		err = request_firmware(&chip->fw_entry, "riptide.hex",
1217 				       &chip->pci->dev);
1218 		if (err) {
1219 			snd_printk(KERN_ERR
1220 				   "Riptide: Firmware not available %d\n", err);
1221 			return -EIO;
1222 		}
1223 	}
1224 	err = loadfirmware(cif, chip->fw_entry->data, chip->fw_entry->size);
1225 	if (err) {
1226 		snd_printk(KERN_ERR
1227 			   "Riptide: Could not load firmware %d\n", err);
1228 		return err;
1229 	}
1230 
1231 	chip->firmware = firmware;
1232 
1233 	return 1; /* OK */
1234 }
1235 
1236 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip)
1237 {
1238 	union cmdret rptr = CMDRET_ZERO;
1239 	int err, tries;
1240 
1241 	if (!cif)
1242 		return -EINVAL;
1243 
1244 	cif->cmdcnt = 0;
1245 	cif->cmdtime = 0;
1246 	cif->cmdtimemax = 0;
1247 	cif->cmdtimemin = 0xffffffff;
1248 	cif->errcnt = 0;
1249 	cif->is_reset = 0;
1250 
1251 	tries = RESET_TRIES;
1252 	do {
1253 		err = try_to_load_firmware(cif, chip);
1254 		if (err < 0)
1255 			return err;
1256 	} while (!err && --tries);
1257 
1258 	SEND_SACR(cif, 0, AC97_RESET);
1259 	SEND_RACR(cif, AC97_RESET, &rptr);
1260 	snd_printdd("AC97: 0x%x 0x%x\n", rptr.retlongs[0], rptr.retlongs[1]);
1261 
1262 	SEND_PLST(cif, 0);
1263 	SEND_SLST(cif, 0);
1264 	SEND_DLST(cif, 0);
1265 	SEND_ALST(cif, 0);
1266 	SEND_KDMA(cif);
1267 
1268 	writearm(cif, 0x301F8, 1, 1);
1269 	writearm(cif, 0x301F4, 1, 1);
1270 
1271 	SEND_LSEL(cif, MODEM_CMD, 0, 0, MODEM_INTDEC, MODEM_MERGER,
1272 		  MODEM_SPLITTER, MODEM_MIXER);
1273 	setmixer(cif, MODEM_MIXER, 0x7fff, 0x7fff);
1274 	alloclbuspath(cif, ARM2LBUS_FIFO13, lbus_play_modem, NULL, NULL);
1275 
1276 	SEND_LSEL(cif, FM_CMD, 0, 0, FM_INTDEC, FM_MERGER, FM_SPLITTER,
1277 		  FM_MIXER);
1278 	setmixer(cif, FM_MIXER, 0x7fff, 0x7fff);
1279 	writearm(cif, 0x30648 + FM_MIXER * 4, 0x01, 0x00000005);
1280 	writearm(cif, 0x301A8, 0x02, 0x00000002);
1281 	writearm(cif, 0x30264, 0x08, 0xffffffff);
1282 	alloclbuspath(cif, OPL3_SAMPLE, lbus_play_opl3, NULL, NULL);
1283 
1284 	SEND_SSRC(cif, I2S_INTDEC, 48000,
1285 		  ((u32) I2S_RATE * 65536) / 48000,
1286 		  ((u32) I2S_RATE * 65536) % 48000);
1287 	SEND_LSEL(cif, I2S_CMD0, 0, 0, I2S_INTDEC, I2S_MERGER, I2S_SPLITTER,
1288 		  I2S_MIXER);
1289 	SEND_SI2S(cif, 1);
1290 	alloclbuspath(cif, ARM2LBUS_FIFO0, lbus_play_i2s, NULL, NULL);
1291 	alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_out, NULL, NULL);
1292 	alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_outhp, NULL, NULL);
1293 
1294 	SET_AIACK(cif->hwport);
1295 	SET_AIE(cif->hwport);
1296 	SET_AIACK(cif->hwport);
1297 	cif->is_reset = 1;
1298 
1299 	return 0;
1300 }
1301 
1302 static const struct snd_pcm_hardware snd_riptide_playback = {
1303 	.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1304 		 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1305 		 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1306 	.formats =
1307 	    SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1308 	    | SNDRV_PCM_FMTBIT_U16_LE,
1309 	.rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1310 	.rate_min = 5500,
1311 	.rate_max = 48000,
1312 	.channels_min = 1,
1313 	.channels_max = 2,
1314 	.buffer_bytes_max = (64 * 1024),
1315 	.period_bytes_min = PAGE_SIZE >> 1,
1316 	.period_bytes_max = PAGE_SIZE << 8,
1317 	.periods_min = 2,
1318 	.periods_max = 64,
1319 	.fifo_size = 0,
1320 };
1321 static const struct snd_pcm_hardware snd_riptide_capture = {
1322 	.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1323 		 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1324 		 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1325 	.formats =
1326 	    SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1327 	    | SNDRV_PCM_FMTBIT_U16_LE,
1328 	.rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1329 	.rate_min = 5500,
1330 	.rate_max = 48000,
1331 	.channels_min = 1,
1332 	.channels_max = 2,
1333 	.buffer_bytes_max = (64 * 1024),
1334 	.period_bytes_min = PAGE_SIZE >> 1,
1335 	.period_bytes_max = PAGE_SIZE << 3,
1336 	.periods_min = 2,
1337 	.periods_max = 64,
1338 	.fifo_size = 0,
1339 };
1340 
1341 static snd_pcm_uframes_t snd_riptide_pointer(struct snd_pcm_substream
1342 					     *substream)
1343 {
1344 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1345 	struct snd_pcm_runtime *runtime = substream->runtime;
1346 	struct pcmhw *data = get_pcmhwdev(substream);
1347 	struct cmdif *cif = chip->cif;
1348 	union cmdret rptr = CMDRET_ZERO;
1349 	snd_pcm_uframes_t ret;
1350 
1351 	SEND_GPOS(cif, 0, data->id, &rptr);
1352 	if (data->size && runtime->period_size) {
1353 		snd_printdd
1354 		    ("pointer stream %d position 0x%x(0x%x in buffer) bytes 0x%lx(0x%lx in period) frames\n",
1355 		     data->id, rptr.retlongs[1], rptr.retlongs[1] % data->size,
1356 		     bytes_to_frames(runtime, rptr.retlongs[1]),
1357 		     bytes_to_frames(runtime,
1358 				     rptr.retlongs[1]) % runtime->period_size);
1359 		if (rptr.retlongs[1] > data->pointer)
1360 			ret =
1361 			    bytes_to_frames(runtime,
1362 					    rptr.retlongs[1] % data->size);
1363 		else
1364 			ret =
1365 			    bytes_to_frames(runtime,
1366 					    data->pointer % data->size);
1367 	} else {
1368 		snd_printdd("stream not started or strange parms (%d %ld)\n",
1369 			    data->size, runtime->period_size);
1370 		ret = bytes_to_frames(runtime, 0);
1371 	}
1372 	return ret;
1373 }
1374 
1375 static int snd_riptide_trigger(struct snd_pcm_substream *substream, int cmd)
1376 {
1377 	int i, j;
1378 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1379 	struct pcmhw *data = get_pcmhwdev(substream);
1380 	struct cmdif *cif = chip->cif;
1381 	union cmdret rptr = CMDRET_ZERO;
1382 
1383 	spin_lock(&chip->lock);
1384 	switch (cmd) {
1385 	case SNDRV_PCM_TRIGGER_START:
1386 	case SNDRV_PCM_TRIGGER_RESUME:
1387 		if (!(data->state & ST_PLAY)) {
1388 			SEND_SSTR(cif, data->id, data->sgdlist.addr);
1389 			SET_AIE(cif->hwport);
1390 			data->state = ST_PLAY;
1391 			if (data->mixer != 0xff)
1392 				setmixer(cif, data->mixer, 0x7fff, 0x7fff);
1393 			chip->openstreams++;
1394 			data->oldpos = 0;
1395 			data->pointer = 0;
1396 		}
1397 		break;
1398 	case SNDRV_PCM_TRIGGER_STOP:
1399 	case SNDRV_PCM_TRIGGER_SUSPEND:
1400 		if (data->mixer != 0xff)
1401 			setmixer(cif, data->mixer, 0, 0);
1402 		setmixer(cif, data->mixer, 0, 0);
1403 		SEND_KSTR(cif, data->id);
1404 		data->state = ST_STOP;
1405 		chip->openstreams--;
1406 		j = 0;
1407 		do {
1408 			i = rptr.retlongs[1];
1409 			SEND_GPOS(cif, 0, data->id, &rptr);
1410 			udelay(1);
1411 		} while (i != rptr.retlongs[1] && j++ < MAX_WRITE_RETRY);
1412 		if (j > MAX_WRITE_RETRY)
1413 			snd_printk(KERN_ERR "Riptide: Could not stop stream!");
1414 		break;
1415 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1416 		if (!(data->state & ST_PAUSE)) {
1417 			SEND_PSTR(cif, data->id);
1418 			data->state |= ST_PAUSE;
1419 			chip->openstreams--;
1420 		}
1421 		break;
1422 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1423 		if (data->state & ST_PAUSE) {
1424 			SEND_SSTR(cif, data->id, data->sgdlist.addr);
1425 			data->state &= ~ST_PAUSE;
1426 			chip->openstreams++;
1427 		}
1428 		break;
1429 	default:
1430 		spin_unlock(&chip->lock);
1431 		return -EINVAL;
1432 	}
1433 	spin_unlock(&chip->lock);
1434 	return 0;
1435 }
1436 
1437 static int snd_riptide_prepare(struct snd_pcm_substream *substream)
1438 {
1439 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1440 	struct snd_pcm_runtime *runtime = substream->runtime;
1441 	struct pcmhw *data = get_pcmhwdev(substream);
1442 	struct cmdif *cif = chip->cif;
1443 	const unsigned char *lbuspath = NULL;
1444 	unsigned int rate, channels;
1445 	int err = 0;
1446 	snd_pcm_format_t format;
1447 
1448 	if (snd_BUG_ON(!cif || !data))
1449 		return -EINVAL;
1450 
1451 	snd_printdd("prepare id %d ch: %d f:0x%x r:%d\n", data->id,
1452 		    runtime->channels, runtime->format, runtime->rate);
1453 
1454 	spin_lock_irq(&chip->lock);
1455 	channels = runtime->channels;
1456 	format = runtime->format;
1457 	rate = runtime->rate;
1458 	switch (channels) {
1459 	case 1:
1460 		if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1461 			lbuspath = data->paths.noconv;
1462 		else
1463 			lbuspath = data->paths.mono;
1464 		break;
1465 	case 2:
1466 		if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1467 			lbuspath = data->paths.noconv;
1468 		else
1469 			lbuspath = data->paths.stereo;
1470 		break;
1471 	}
1472 	snd_printdd("use sgdlist at 0x%p\n",
1473 		    data->sgdlist.area);
1474 	if (data->sgdlist.area) {
1475 		unsigned int i, j, size, pages, f, pt, period;
1476 		struct sgd *c, *p = NULL;
1477 
1478 		size = frames_to_bytes(runtime, runtime->buffer_size);
1479 		period = frames_to_bytes(runtime, runtime->period_size);
1480 		f = PAGE_SIZE;
1481 		while ((size + (f >> 1) - 1) <= (f << 7) && (f << 1) > period)
1482 			f = f >> 1;
1483 		pages = DIV_ROUND_UP(size, f);
1484 		data->size = size;
1485 		data->pages = pages;
1486 		snd_printdd
1487 		    ("create sgd size: 0x%x pages %d of size 0x%x for period 0x%x\n",
1488 		     size, pages, f, period);
1489 		pt = 0;
1490 		j = 0;
1491 		for (i = 0; i < pages; i++) {
1492 			unsigned int ofs, addr;
1493 			c = &data->sgdbuf[i];
1494 			if (p)
1495 				p->dwNextLink = cpu_to_le32(data->sgdlist.addr +
1496 							    (i *
1497 							     sizeof(struct
1498 								    sgd)));
1499 			c->dwNextLink = cpu_to_le32(data->sgdlist.addr);
1500 			ofs = j << PAGE_SHIFT;
1501 			addr = snd_pcm_sgbuf_get_addr(substream, ofs) + pt;
1502 			c->dwSegPtrPhys = cpu_to_le32(addr);
1503 			pt = (pt + f) % PAGE_SIZE;
1504 			if (pt == 0)
1505 				j++;
1506 			c->dwSegLen = cpu_to_le32(f);
1507 			c->dwStat_Ctl =
1508 			    cpu_to_le32(IEOB_ENABLE | IEOS_ENABLE |
1509 					IEOC_ENABLE);
1510 			p = c;
1511 			size -= f;
1512 		}
1513 		data->sgdbuf[i].dwSegLen = cpu_to_le32(size);
1514 	}
1515 	if (lbuspath && lbuspath != data->lbuspath) {
1516 		if (data->lbuspath)
1517 			freelbuspath(cif, data->source, data->lbuspath);
1518 		alloclbuspath(cif, data->source, lbuspath,
1519 			      &data->mixer, data->intdec);
1520 		data->lbuspath = lbuspath;
1521 		data->rate = 0;
1522 	}
1523 	if (data->rate != rate || data->format != format ||
1524 	    data->channels != channels) {
1525 		data->rate = rate;
1526 		data->format = format;
1527 		data->channels = channels;
1528 		if (setsampleformat
1529 		    (cif, data->mixer, data->id, channels, format)
1530 		    || setsamplerate(cif, data->intdec, rate))
1531 			err = -EIO;
1532 	}
1533 	spin_unlock_irq(&chip->lock);
1534 	return err;
1535 }
1536 
1537 static int
1538 snd_riptide_hw_params(struct snd_pcm_substream *substream,
1539 		      struct snd_pcm_hw_params *hw_params)
1540 {
1541 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1542 	struct pcmhw *data = get_pcmhwdev(substream);
1543 	struct snd_dma_buffer *sgdlist = &data->sgdlist;
1544 	int err;
1545 
1546 	snd_printdd("hw params id %d (sgdlist: 0x%p 0x%lx %d)\n", data->id,
1547 		    sgdlist->area, (unsigned long)sgdlist->addr,
1548 		    (int)sgdlist->bytes);
1549 	if (sgdlist->area)
1550 		snd_dma_free_pages(sgdlist);
1551 	err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &chip->pci->dev,
1552 				  sizeof(struct sgd) * (DESC_MAX_MASK + 1),
1553 				  sgdlist);
1554 	if (err < 0) {
1555 		snd_printk(KERN_ERR "Riptide: failed to alloc %d dma bytes\n",
1556 			   (int)sizeof(struct sgd) * (DESC_MAX_MASK + 1));
1557 		return err;
1558 	}
1559 	data->sgdbuf = (struct sgd *)sgdlist->area;
1560 	return 0;
1561 }
1562 
1563 static int snd_riptide_hw_free(struct snd_pcm_substream *substream)
1564 {
1565 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1566 	struct pcmhw *data = get_pcmhwdev(substream);
1567 	struct cmdif *cif = chip->cif;
1568 
1569 	if (cif && data) {
1570 		if (data->lbuspath)
1571 			freelbuspath(cif, data->source, data->lbuspath);
1572 		data->lbuspath = NULL;
1573 		data->source = 0xff;
1574 		data->intdec[0] = 0xff;
1575 		data->intdec[1] = 0xff;
1576 
1577 		if (data->sgdlist.area) {
1578 			snd_dma_free_pages(&data->sgdlist);
1579 			data->sgdlist.area = NULL;
1580 		}
1581 	}
1582 	return 0;
1583 }
1584 
1585 static int snd_riptide_playback_open(struct snd_pcm_substream *substream)
1586 {
1587 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1588 	struct snd_pcm_runtime *runtime = substream->runtime;
1589 	struct pcmhw *data;
1590 	int sub_num = substream->number;
1591 
1592 	chip->playback_substream[sub_num] = substream;
1593 	runtime->hw = snd_riptide_playback;
1594 
1595 	data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1596 	if (data == NULL)
1597 		return -ENOMEM;
1598 	data->paths = lbus_play_paths[sub_num];
1599 	data->id = play_ids[sub_num];
1600 	data->source = play_sources[sub_num];
1601 	data->intdec[0] = 0xff;
1602 	data->intdec[1] = 0xff;
1603 	data->state = ST_STOP;
1604 	runtime->private_data = data;
1605 	return snd_pcm_hw_constraint_integer(runtime,
1606 					     SNDRV_PCM_HW_PARAM_PERIODS);
1607 }
1608 
1609 static int snd_riptide_capture_open(struct snd_pcm_substream *substream)
1610 {
1611 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1612 	struct snd_pcm_runtime *runtime = substream->runtime;
1613 	struct pcmhw *data;
1614 
1615 	chip->capture_substream = substream;
1616 	runtime->hw = snd_riptide_capture;
1617 
1618 	data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1619 	if (data == NULL)
1620 		return -ENOMEM;
1621 	data->paths = lbus_rec_path;
1622 	data->id = PADC;
1623 	data->source = ACLNK2PADC;
1624 	data->intdec[0] = 0xff;
1625 	data->intdec[1] = 0xff;
1626 	data->state = ST_STOP;
1627 	runtime->private_data = data;
1628 	return snd_pcm_hw_constraint_integer(runtime,
1629 					     SNDRV_PCM_HW_PARAM_PERIODS);
1630 }
1631 
1632 static int snd_riptide_playback_close(struct snd_pcm_substream *substream)
1633 {
1634 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1635 	struct pcmhw *data = get_pcmhwdev(substream);
1636 	int sub_num = substream->number;
1637 
1638 	substream->runtime->private_data = NULL;
1639 	chip->playback_substream[sub_num] = NULL;
1640 	kfree(data);
1641 	return 0;
1642 }
1643 
1644 static int snd_riptide_capture_close(struct snd_pcm_substream *substream)
1645 {
1646 	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1647 	struct pcmhw *data = get_pcmhwdev(substream);
1648 
1649 	substream->runtime->private_data = NULL;
1650 	chip->capture_substream = NULL;
1651 	kfree(data);
1652 	return 0;
1653 }
1654 
1655 static const struct snd_pcm_ops snd_riptide_playback_ops = {
1656 	.open = snd_riptide_playback_open,
1657 	.close = snd_riptide_playback_close,
1658 	.hw_params = snd_riptide_hw_params,
1659 	.hw_free = snd_riptide_hw_free,
1660 	.prepare = snd_riptide_prepare,
1661 	.trigger = snd_riptide_trigger,
1662 	.pointer = snd_riptide_pointer,
1663 };
1664 static const struct snd_pcm_ops snd_riptide_capture_ops = {
1665 	.open = snd_riptide_capture_open,
1666 	.close = snd_riptide_capture_close,
1667 	.hw_params = snd_riptide_hw_params,
1668 	.hw_free = snd_riptide_hw_free,
1669 	.prepare = snd_riptide_prepare,
1670 	.trigger = snd_riptide_trigger,
1671 	.pointer = snd_riptide_pointer,
1672 };
1673 
1674 static int snd_riptide_pcm(struct snd_riptide *chip, int device)
1675 {
1676 	struct snd_pcm *pcm;
1677 	int err;
1678 
1679 	err = snd_pcm_new(chip->card, "RIPTIDE", device, PLAYBACK_SUBSTREAMS, 1,
1680 			  &pcm);
1681 	if (err < 0)
1682 		return err;
1683 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1684 			&snd_riptide_playback_ops);
1685 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1686 			&snd_riptide_capture_ops);
1687 	pcm->private_data = chip;
1688 	pcm->info_flags = 0;
1689 	strcpy(pcm->name, "RIPTIDE");
1690 	chip->pcm = pcm;
1691 	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1692 				       &chip->pci->dev, 64 * 1024, 128 * 1024);
1693 	return 0;
1694 }
1695 
1696 static irqreturn_t
1697 snd_riptide_interrupt(int irq, void *dev_id)
1698 {
1699 	struct snd_riptide *chip = dev_id;
1700 	struct cmdif *cif = chip->cif;
1701 	irqreturn_t ret = IRQ_HANDLED;
1702 
1703 	if (cif) {
1704 		chip->received_irqs++;
1705 		if (IS_EOBIRQ(cif->hwport) || IS_EOSIRQ(cif->hwport) ||
1706 		    IS_EOCIRQ(cif->hwport)) {
1707 			chip->handled_irqs++;
1708 			ret = IRQ_WAKE_THREAD;
1709 		}
1710 		if (chip->rmidi && IS_MPUIRQ(cif->hwport)) {
1711 			chip->handled_irqs++;
1712 			snd_mpu401_uart_interrupt(irq,
1713 						  chip->rmidi->private_data);
1714 		}
1715 		SET_AIACK(cif->hwport);
1716 	}
1717 	return ret;
1718 }
1719 
1720 static void
1721 snd_riptide_codec_write(struct snd_ac97 *ac97, unsigned short reg,
1722 			unsigned short val)
1723 {
1724 	struct snd_riptide *chip = ac97->private_data;
1725 	struct cmdif *cif = chip->cif;
1726 	union cmdret rptr = CMDRET_ZERO;
1727 	int i = 0;
1728 
1729 	if (snd_BUG_ON(!cif))
1730 		return;
1731 
1732 	snd_printdd("Write AC97 reg 0x%x 0x%x\n", reg, val);
1733 	do {
1734 		SEND_SACR(cif, val, reg);
1735 		SEND_RACR(cif, reg, &rptr);
1736 	} while (rptr.retwords[1] != val && i++ < MAX_WRITE_RETRY);
1737 	if (i > MAX_WRITE_RETRY)
1738 		snd_printdd("Write AC97 reg failed\n");
1739 }
1740 
1741 static unsigned short snd_riptide_codec_read(struct snd_ac97 *ac97,
1742 					     unsigned short reg)
1743 {
1744 	struct snd_riptide *chip = ac97->private_data;
1745 	struct cmdif *cif = chip->cif;
1746 	union cmdret rptr = CMDRET_ZERO;
1747 
1748 	if (snd_BUG_ON(!cif))
1749 		return 0;
1750 
1751 	if (SEND_RACR(cif, reg, &rptr) != 0)
1752 		SEND_RACR(cif, reg, &rptr);
1753 	snd_printdd("Read AC97 reg 0x%x got 0x%x\n", reg, rptr.retwords[1]);
1754 	return rptr.retwords[1];
1755 }
1756 
1757 static int snd_riptide_initialize(struct snd_riptide *chip)
1758 {
1759 	struct cmdif *cif;
1760 	unsigned int device_id;
1761 	int err;
1762 
1763 	if (snd_BUG_ON(!chip))
1764 		return -EINVAL;
1765 
1766 	cif = chip->cif;
1767 	if (!cif) {
1768 		cif = kzalloc(sizeof(struct cmdif), GFP_KERNEL);
1769 		if (!cif)
1770 			return -ENOMEM;
1771 		cif->hwport = (struct riptideport *)chip->port;
1772 		spin_lock_init(&cif->lock);
1773 		chip->cif = cif;
1774 	}
1775 	cif->is_reset = 0;
1776 	err = riptide_reset(cif, chip);
1777 	if (err)
1778 		return err;
1779 	device_id = chip->device_id;
1780 	switch (device_id) {
1781 	case 0x4310:
1782 	case 0x4320:
1783 	case 0x4330:
1784 		snd_printdd("Modem enable?\n");
1785 		SEND_SETDPLL(cif);
1786 		break;
1787 	}
1788 	snd_printdd("Enabling MPU IRQs\n");
1789 	if (chip->rmidi)
1790 		SET_EMPUIRQ(cif->hwport);
1791 	return err;
1792 }
1793 
1794 static void snd_riptide_free(struct snd_card *card)
1795 {
1796 	struct snd_riptide *chip = card->private_data;
1797 	struct cmdif *cif;
1798 
1799 	cif = chip->cif;
1800 	if (cif) {
1801 		SET_GRESET(cif->hwport);
1802 		udelay(100);
1803 		UNSET_GRESET(cif->hwport);
1804 		kfree(chip->cif);
1805 	}
1806 	release_firmware(chip->fw_entry);
1807 }
1808 
1809 static int
1810 snd_riptide_create(struct snd_card *card, struct pci_dev *pci)
1811 {
1812 	struct snd_riptide *chip = card->private_data;
1813 	struct riptideport *hwport;
1814 	int err;
1815 
1816 	err = pcim_enable_device(pci);
1817 	if (err < 0)
1818 		return err;
1819 
1820 	spin_lock_init(&chip->lock);
1821 	chip->card = card;
1822 	chip->pci = pci;
1823 	chip->irq = -1;
1824 	chip->openstreams = 0;
1825 	chip->port = pci_resource_start(pci, 0);
1826 	chip->received_irqs = 0;
1827 	chip->handled_irqs = 0;
1828 	chip->cif = NULL;
1829 	card->private_free = snd_riptide_free;
1830 
1831 	err = pci_request_regions(pci, "RIPTIDE");
1832 	if (err < 0)
1833 		return err;
1834 	hwport = (struct riptideport *)chip->port;
1835 	UNSET_AIE(hwport);
1836 
1837 	if (devm_request_threaded_irq(&pci->dev, pci->irq,
1838 				      snd_riptide_interrupt,
1839 				      riptide_handleirq, IRQF_SHARED,
1840 				      KBUILD_MODNAME, chip)) {
1841 		snd_printk(KERN_ERR "Riptide: unable to grab IRQ %d\n",
1842 			   pci->irq);
1843 		return -EBUSY;
1844 	}
1845 	chip->irq = pci->irq;
1846 	card->sync_irq = chip->irq;
1847 	chip->device_id = pci->device;
1848 	pci_set_master(pci);
1849 	err = snd_riptide_initialize(chip);
1850 	if (err < 0)
1851 		return err;
1852 
1853 	return 0;
1854 }
1855 
1856 static void
1857 snd_riptide_proc_read(struct snd_info_entry *entry,
1858 		      struct snd_info_buffer *buffer)
1859 {
1860 	struct snd_riptide *chip = entry->private_data;
1861 	struct pcmhw *data;
1862 	int i;
1863 	struct cmdif *cif = NULL;
1864 	unsigned char p[256];
1865 	unsigned short rval = 0, lval = 0;
1866 	unsigned int rate;
1867 
1868 	if (!chip)
1869 		return;
1870 
1871 	snd_iprintf(buffer, "%s\n\n", chip->card->longname);
1872 	snd_iprintf(buffer, "Device ID: 0x%x\nReceived IRQs: (%ld)%ld\nPorts:",
1873 		    chip->device_id, chip->handled_irqs, chip->received_irqs);
1874 	for (i = 0; i < 64; i += 4)
1875 		snd_iprintf(buffer, "%c%02x: %08x",
1876 			    (i % 16) ? ' ' : '\n', i, inl(chip->port + i));
1877 	cif = chip->cif;
1878 	if (cif) {
1879 		snd_iprintf(buffer,
1880 			    "\nVersion: ASIC: %d CODEC: %d AUXDSP: %d PROG: %d",
1881 			    chip->firmware.firmware.ASIC,
1882 			    chip->firmware.firmware.CODEC,
1883 			    chip->firmware.firmware.AUXDSP,
1884 			    chip->firmware.firmware.PROG);
1885 		snd_iprintf(buffer, "\nDigital mixer:");
1886 		for (i = 0; i < 12; i++) {
1887 			getmixer(cif, i, &rval, &lval);
1888 			snd_iprintf(buffer, "\n %d: %d %d", i, rval, lval);
1889 		}
1890 		snd_iprintf(buffer,
1891 			    "\nARM Commands num: %d failed: %d time: %d max: %d min: %d",
1892 			    cif->cmdcnt, cif->errcnt,
1893 			    cif->cmdtime, cif->cmdtimemax, cif->cmdtimemin);
1894 	}
1895 	snd_iprintf(buffer, "\nOpen streams %d:\n", chip->openstreams);
1896 	for (i = 0; i < PLAYBACK_SUBSTREAMS; i++) {
1897 		if (!chip->playback_substream[i] ||
1898 		    !chip->playback_substream[i]->runtime)
1899 			continue;
1900 		data = chip->playback_substream[i]->runtime->private_data;
1901 		if (data) {
1902 			snd_iprintf(buffer,
1903 				    "stream: %d mixer: %d source: %d (%d,%d)\n",
1904 				    data->id, data->mixer, data->source,
1905 				    data->intdec[0], data->intdec[1]);
1906 			if (!(getsamplerate(cif, data->intdec, &rate)))
1907 				snd_iprintf(buffer, "rate: %d\n", rate);
1908 		}
1909 	}
1910 	if (chip->capture_substream && chip->capture_substream->runtime) {
1911 		data = chip->capture_substream->runtime->private_data;
1912 		if (data) {
1913 			snd_iprintf(buffer,
1914 				    "stream: %d mixer: %d source: %d (%d,%d)\n",
1915 				    data->id, data->mixer,
1916 				    data->source, data->intdec[0], data->intdec[1]);
1917 			if (!(getsamplerate(cif, data->intdec, &rate)))
1918 				snd_iprintf(buffer, "rate: %d\n", rate);
1919 		}
1920 	}
1921 	snd_iprintf(buffer, "Paths:\n");
1922 	i = getpaths(cif, p);
1923 	while (i >= 2) {
1924 		i -= 2;
1925 		snd_iprintf(buffer, "%x->%x ", p[i], p[i + 1]);
1926 	}
1927 	snd_iprintf(buffer, "\n");
1928 }
1929 
1930 static void snd_riptide_proc_init(struct snd_riptide *chip)
1931 {
1932 	snd_card_ro_proc_new(chip->card, "riptide", chip,
1933 			     snd_riptide_proc_read);
1934 }
1935 
1936 static int snd_riptide_mixer(struct snd_riptide *chip)
1937 {
1938 	struct snd_ac97_bus *pbus;
1939 	struct snd_ac97_template ac97;
1940 	int err = 0;
1941 	static const struct snd_ac97_bus_ops ops = {
1942 		.write = snd_riptide_codec_write,
1943 		.read = snd_riptide_codec_read,
1944 	};
1945 
1946 	memset(&ac97, 0, sizeof(ac97));
1947 	ac97.private_data = chip;
1948 	ac97.scaps = AC97_SCAP_SKIP_MODEM;
1949 
1950 	err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus);
1951 	if (err < 0)
1952 		return err;
1953 
1954 	chip->ac97_bus = pbus;
1955 	ac97.pci = chip->pci;
1956 	err = snd_ac97_mixer(pbus, &ac97, &chip->ac97);
1957 	if (err < 0)
1958 		return err;
1959 	return err;
1960 }
1961 
1962 #ifdef SUPPORT_JOYSTICK
1963 
1964 static int
1965 snd_riptide_joystick_probe(struct pci_dev *pci, const struct pci_device_id *id)
1966 {
1967 	static int dev;
1968 	struct gameport *gameport;
1969 	int ret;
1970 
1971 	if (dev >= SNDRV_CARDS)
1972 		return -ENODEV;
1973 
1974 	if (!enable[dev]) {
1975 		ret = -ENOENT;
1976 		goto inc_dev;
1977 	}
1978 
1979 	if (!joystick_port[dev]) {
1980 		ret = 0;
1981 		goto inc_dev;
1982 	}
1983 
1984 	gameport = gameport_allocate_port();
1985 	if (!gameport) {
1986 		ret = -ENOMEM;
1987 		goto inc_dev;
1988 	}
1989 	if (!request_region(joystick_port[dev], 8, "Riptide gameport")) {
1990 		snd_printk(KERN_WARNING
1991 			   "Riptide: cannot grab gameport 0x%x\n",
1992 			   joystick_port[dev]);
1993 		gameport_free_port(gameport);
1994 		ret = -EBUSY;
1995 		goto inc_dev;
1996 	}
1997 
1998 	gameport->io = joystick_port[dev];
1999 	gameport_register_port(gameport);
2000 	pci_set_drvdata(pci, gameport);
2001 
2002 	ret = 0;
2003 inc_dev:
2004 	dev++;
2005 	return ret;
2006 }
2007 
2008 static void snd_riptide_joystick_remove(struct pci_dev *pci)
2009 {
2010 	struct gameport *gameport = pci_get_drvdata(pci);
2011 	if (gameport) {
2012 		release_region(gameport->io, 8);
2013 		gameport_unregister_port(gameport);
2014 	}
2015 }
2016 #endif
2017 
2018 static int
2019 __snd_card_riptide_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2020 {
2021 	static int dev;
2022 	struct snd_card *card;
2023 	struct snd_riptide *chip;
2024 	unsigned short val;
2025 	int err;
2026 
2027 	if (dev >= SNDRV_CARDS)
2028 		return -ENODEV;
2029 	if (!enable[dev]) {
2030 		dev++;
2031 		return -ENOENT;
2032 	}
2033 
2034 	err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2035 				sizeof(*chip), &card);
2036 	if (err < 0)
2037 		return err;
2038 	chip = card->private_data;
2039 	err = snd_riptide_create(card, pci);
2040 	if (err < 0)
2041 		return err;
2042 	err = snd_riptide_pcm(chip, 0);
2043 	if (err < 0)
2044 		return err;
2045 	err = snd_riptide_mixer(chip);
2046 	if (err < 0)
2047 		return err;
2048 
2049 	val = LEGACY_ENABLE_ALL;
2050 	if (opl3_port[dev])
2051 		val |= LEGACY_ENABLE_FM;
2052 #ifdef SUPPORT_JOYSTICK
2053 	if (joystick_port[dev])
2054 		val |= LEGACY_ENABLE_GAMEPORT;
2055 #endif
2056 	if (mpu_port[dev])
2057 		val |= LEGACY_ENABLE_MPU_INT | LEGACY_ENABLE_MPU;
2058 	val |= (chip->irq << 4) & 0xf0;
2059 	pci_write_config_word(chip->pci, PCI_EXT_Legacy_Mask, val);
2060 	if (mpu_port[dev]) {
2061 		val = mpu_port[dev];
2062 		pci_write_config_word(chip->pci, PCI_EXT_MPU_Base, val);
2063 		err = snd_mpu401_uart_new(card, 0, MPU401_HW_RIPTIDE,
2064 					  val, MPU401_INFO_IRQ_HOOK, -1,
2065 					  &chip->rmidi);
2066 		if (err < 0)
2067 			snd_printk(KERN_WARNING
2068 				   "Riptide: Can't Allocate MPU at 0x%x\n",
2069 				   val);
2070 		else
2071 			chip->mpuaddr = val;
2072 	}
2073 	if (opl3_port[dev]) {
2074 		val = opl3_port[dev];
2075 		pci_write_config_word(chip->pci, PCI_EXT_FM_Base, val);
2076 		err = snd_opl3_create(card, val, val + 2,
2077 				      OPL3_HW_RIPTIDE, 0, &chip->opl3);
2078 		if (err < 0)
2079 			snd_printk(KERN_WARNING
2080 				   "Riptide: Can't Allocate OPL3 at 0x%x\n",
2081 				   val);
2082 		else {
2083 			chip->opladdr = val;
2084 			err = snd_opl3_hwdep_new(chip->opl3, 0, 1, NULL);
2085 			if (err < 0)
2086 				snd_printk(KERN_WARNING
2087 					   "Riptide: Can't Allocate OPL3-HWDEP\n");
2088 		}
2089 	}
2090 #ifdef SUPPORT_JOYSTICK
2091 	if (joystick_port[dev]) {
2092 		val = joystick_port[dev];
2093 		pci_write_config_word(chip->pci, PCI_EXT_Game_Base, val);
2094 		chip->gameaddr = val;
2095 	}
2096 #endif
2097 
2098 	strcpy(card->driver, "RIPTIDE");
2099 	strcpy(card->shortname, "Riptide");
2100 #ifdef SUPPORT_JOYSTICK
2101 	scnprintf(card->longname, sizeof(card->longname),
2102 		  "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x gameport 0x%x",
2103 		  card->shortname, chip->port, chip->irq, chip->mpuaddr,
2104 		  chip->opladdr, chip->gameaddr);
2105 #else
2106 	scnprintf(card->longname, sizeof(card->longname),
2107 		  "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x",
2108 		  card->shortname, chip->port, chip->irq, chip->mpuaddr,
2109 		  chip->opladdr);
2110 #endif
2111 	snd_riptide_proc_init(chip);
2112 	err = snd_card_register(card);
2113 	if (err < 0)
2114 		return err;
2115 	pci_set_drvdata(pci, card);
2116 	dev++;
2117 	return 0;
2118 }
2119 
2120 static int
2121 snd_card_riptide_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2122 {
2123 	return snd_card_free_on_error(&pci->dev, __snd_card_riptide_probe(pci, pci_id));
2124 }
2125 
2126 static struct pci_driver driver = {
2127 	.name = KBUILD_MODNAME,
2128 	.id_table = snd_riptide_ids,
2129 	.probe = snd_card_riptide_probe,
2130 	.driver = {
2131 		.pm = &riptide_pm,
2132 	},
2133 };
2134 
2135 #ifdef SUPPORT_JOYSTICK
2136 static struct pci_driver joystick_driver = {
2137 	.name = KBUILD_MODNAME "-joystick",
2138 	.id_table = snd_riptide_joystick_ids,
2139 	.probe = snd_riptide_joystick_probe,
2140 	.remove = snd_riptide_joystick_remove,
2141 };
2142 #endif
2143 
2144 static int __init alsa_card_riptide_init(void)
2145 {
2146 	int err;
2147 	err = pci_register_driver(&driver);
2148 	if (err < 0)
2149 		return err;
2150 #if defined(SUPPORT_JOYSTICK)
2151 	err = pci_register_driver(&joystick_driver);
2152 	/* On failure unregister formerly registered audio driver */
2153 	if (err < 0)
2154 		pci_unregister_driver(&driver);
2155 #endif
2156 	return err;
2157 }
2158 
2159 static void __exit alsa_card_riptide_exit(void)
2160 {
2161 	pci_unregister_driver(&driver);
2162 #if defined(SUPPORT_JOYSTICK)
2163 	pci_unregister_driver(&joystick_driver);
2164 #endif
2165 }
2166 
2167 module_init(alsa_card_riptide_init);
2168 module_exit(alsa_card_riptide_exit);
2169