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 <sound/driver.h>
92#include <linux/delay.h>
93#include <linux/init.h>
94#include <linux/interrupt.h>
95#include <linux/pci.h>
96#include <linux/slab.h>
97#include <linux/wait.h>
98#include <linux/gameport.h>
99#include <linux/device.h>
100#include <linux/firmware.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
116MODULE_AUTHOR("Peter Gruber <nokos@gmx.net>");
117MODULE_DESCRIPTION("riptide");
118MODULE_LICENSE("GPL");
119MODULE_SUPPORTED_DEVICE("{{Conexant,Riptide}}");
120MODULE_FIRMWARE("riptide.hex");
121
122static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
123static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
124static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
125
126#ifdef SUPPORT_JOYSTICK
127static int joystick_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x200 };
128#endif
129static int mpu_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x330 };
130static int opl3_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x388 };
131
132module_param_array(index, int, NULL, 0444);
133MODULE_PARM_DESC(index, "Index value for Riptide soundcard.");
134module_param_array(id, charp, NULL, 0444);
135MODULE_PARM_DESC(id, "ID string for Riptide soundcard.");
136module_param_array(enable, bool, NULL, 0444);
137MODULE_PARM_DESC(enable, "Enable Riptide soundcard.");
138#ifdef SUPPORT_JOYSTICK
139module_param_array(joystick_port, int, NULL, 0444);
140MODULE_PARM_DESC(joystick_port, "Joystick port # for Riptide soundcard.");
141#endif
142module_param_array(mpu_port, int, NULL, 0444);
143MODULE_PARM_DESC(mpu_port, "MPU401 port # for Riptide driver.");
144module_param_array(opl3_port, int, NULL, 0444);
145MODULE_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    500000
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
313enum FIRMWARE {
314	DATA_REC = 0, EXT_END_OF_FILE, EXT_SEG_ADDR_REC, EXT_GOTO_CMD_REC,
315	EXT_LIN_ADDR_REC,
316};
317
318enum 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
327enum 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
344enum 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
361enum 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
367enum 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
374enum { SB_CMD = 0, MODEM_CMD, I2S_CMD0, I2S_CMD1, FM_CMD, MAX_CMD };
375
376struct lbuspath {
377	unsigned char *noconv;
378	unsigned char *stereo;
379	unsigned char *mono;
380};
381
382struct cmdport {
383	u32 data1;		/* cmd,param */
384	u32 data2;		/* param */
385	u32 stat;		/* status */
386	u32 pad[5];
387};
388
389struct riptideport {
390	u32 audio_control;	/* status registers */
391	u32 audio_status;
392	u32 pad[2];
393	struct cmdport port[2];	/* command ports */
394};
395
396struct 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
407struct riptide_firmware {
408	u16 ASIC;
409	u16 CODEC;
410	u16 AUXDSP;
411	u16 PROG;
412};
413
414union cmdret {
415	u8 retbytes[8];
416	u16 retwords[4];
417	u32 retlongs[2];
418};
419
420union 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
428struct 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
471struct sgd {			/* scatter gather desriptor */
472	u32 dwNextLink;
473	u32 dwSegPtrPhys;
474	u32 dwSegLen;
475	u32 dwStat_Ctl;
476};
477
478struct 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
499static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
500		   union cmdret *ret);
501static int getsourcesink(struct cmdif *cif, unsigned char source,
502			 unsigned char sink, unsigned char *a,
503			 unsigned char *b);
504static int snd_riptide_initialize(struct snd_riptide *chip);
505static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip);
506
507/*
508 */
509
510static struct pci_device_id snd_riptide_ids[] = {
511	{
512	 .vendor = 0x127a,.device = 0x4310,
513	 .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
514	 },
515	{
516	 .vendor = 0x127a,.device = 0x4320,
517	 .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
518	 },
519	{
520	 .vendor = 0x127a,.device = 0x4330,
521	 .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
522	 },
523	{
524	 .vendor = 0x127a,.device = 0x4340,
525	 .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
526	 },
527	{0,},
528};
529
530#ifdef SUPPORT_JOYSTICK
531static struct pci_device_id snd_riptide_joystick_ids[] __devinitdata = {
532	{
533	 .vendor = 0x127a,.device = 0x4312,
534	 .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
535	 },
536	{
537	 .vendor = 0x127a,.device = 0x4322,
538	 .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
539	 },
540	{.vendor = 0x127a,.device = 0x4332,
541	 .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
542	 },
543	{.vendor = 0x127a,.device = 0x4342,
544	 .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
545	 },
546	{0,},
547};
548#endif
549
550MODULE_DEVICE_TABLE(pci, snd_riptide_ids);
551
552/*
553 */
554
555static unsigned char lbusin2out[E2SINK_MAX + 1][2] = {
556	{NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
557								     LS_NONE2},
558	{NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
559								     LS_NONE2},
560	{INTER0_OUT, LS_SRC_INTERPOLATOR}, {INTER1_OUT, LS_SRC_INTERPOLATOR},
561	{INTER2_OUT, LS_SRC_INTERPOLATOR}, {INTER3_OUT, LS_SRC_INTERPOLATOR},
562	{INTER4_OUT, LS_SRC_INTERPOLATOR}, {INTERM0_OUT, LS_SRC_INTERPOLATORM},
563	{INTERM1_OUT, LS_SRC_INTERPOLATORM}, {INTERM2_OUT,
564					      LS_SRC_INTERPOLATORM},
565	{INTERM3_OUT, LS_SRC_INTERPOLATORM}, {INTERM4_OUT,
566					      LS_SRC_INTERPOLATORM},
567	{INTERM5_OUT, LS_SRC_INTERPOLATORM}, {INTERM6_OUT,
568					      LS_SRC_INTERPOLATORM},
569	{DECIMM0_OUT, LS_SRC_DECIMATORM}, {DECIMM1_OUT, LS_SRC_DECIMATORM},
570	{DECIMM2_OUT, LS_SRC_DECIMATORM}, {DECIMM3_OUT, LS_SRC_DECIMATORM},
571	{DECIM0_OUT, LS_SRC_DECIMATOR}, {SR3_4_OUT, LS_NONE1}, {NO_OUT,
572								LS_NONE2},
573	{NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1},
574	{DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
575	{DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
576	{DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
577	{DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
578	{DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
579	{DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
580	{GAINFUNC0_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC1_OUT,
581						  LS_MIXER_GAIN_FUNCTION},
582	{GAINFUNC2_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC3_OUT,
583						  LS_MIXER_GAIN_FUNCTION},
584	{GAINFUNC4_OUT, LS_MIXER_GAIN_FUNCTION}, {SOFTMODEMTX, LS_NONE1},
585	{SPLITTER0_OUTL, LS_SRC_SPLITTER}, {SPLITTER1_OUTL, LS_SRC_SPLITTER},
586	{SPLITTER2_OUTL, LS_SRC_SPLITTER}, {SPLITTER3_OUTL, LS_SRC_SPLITTER},
587	{MERGER0_OUT, LS_SRC_MERGER}, {MERGER0_OUT, LS_SRC_MERGER},
588	{MERGER1_OUT, LS_SRC_MERGER},
589	{MERGER1_OUT, LS_SRC_MERGER}, {MERGER2_OUT, LS_SRC_MERGER},
590	{MERGER2_OUT, LS_SRC_MERGER},
591	{MERGER3_OUT, LS_SRC_MERGER}, {MERGER3_OUT, LS_SRC_MERGER}, {NO_OUT,
592								     LS_NONE2},
593};
594
595static unsigned char lbus_play_opl3[] = {
596	DIGITAL_MIXER_IN0 + FM_MIXER, 0xff
597};
598static unsigned char lbus_play_modem[] = {
599	DIGITAL_MIXER_IN0 + MODEM_MIXER, 0xff
600};
601static unsigned char lbus_play_i2s[] = {
602	INTER0_IN + I2S_INTDEC, DIGITAL_MIXER_IN0 + I2S_MIXER, 0xff
603};
604static unsigned char lbus_play_out[] = {
605	PDAC2ACLNK, 0xff
606};
607static unsigned char lbus_play_outhp[] = {
608	HNDSPK2ACLNK, 0xff
609};
610static unsigned char lbus_play_noconv1[] = {
611	DIGITAL_MIXER_IN0, 0xff
612};
613static unsigned char lbus_play_stereo1[] = {
614	INTER0_IN, DIGITAL_MIXER_IN0, 0xff
615};
616static unsigned char lbus_play_mono1[] = {
617	INTERM0_IN, DIGITAL_MIXER_IN0, 0xff
618};
619static unsigned char lbus_play_noconv2[] = {
620	DIGITAL_MIXER_IN1, 0xff
621};
622static unsigned char lbus_play_stereo2[] = {
623	INTER1_IN, DIGITAL_MIXER_IN1, 0xff
624};
625static unsigned char lbus_play_mono2[] = {
626	INTERM1_IN, DIGITAL_MIXER_IN1, 0xff
627};
628static unsigned char lbus_play_noconv3[] = {
629	DIGITAL_MIXER_IN2, 0xff
630};
631static unsigned char lbus_play_stereo3[] = {
632	INTER2_IN, DIGITAL_MIXER_IN2, 0xff
633};
634static unsigned char lbus_play_mono3[] = {
635	INTERM2_IN, DIGITAL_MIXER_IN2, 0xff
636};
637static unsigned char lbus_rec_noconv1[] = {
638	LBUS2ARM_FIFO5, 0xff
639};
640static unsigned char lbus_rec_stereo1[] = {
641	DECIM0_IN, LBUS2ARM_FIFO5, 0xff
642};
643static unsigned char lbus_rec_mono1[] = {
644	DECIMM3_IN, LBUS2ARM_FIFO5, 0xff
645};
646
647static unsigned char play_ids[] = { 4, 1, 2, };
648static unsigned char play_sources[] = {
649	ARM2LBUS_FIFO4, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2,
650};
651static struct lbuspath lbus_play_paths[] = {
652	{
653	 .noconv = lbus_play_noconv1,
654	 .stereo = lbus_play_stereo1,
655	 .mono = lbus_play_mono1,
656	 },
657	{
658	 .noconv = lbus_play_noconv2,
659	 .stereo = lbus_play_stereo2,
660	 .mono = lbus_play_mono2,
661	 },
662	{
663	 .noconv = lbus_play_noconv3,
664	 .stereo = lbus_play_stereo3,
665	 .mono = lbus_play_mono3,
666	 },
667};
668static struct lbuspath lbus_rec_path = {
669	.noconv = lbus_rec_noconv1,
670	.stereo = lbus_rec_stereo1,
671	.mono = lbus_rec_mono1,
672};
673
674#define FIRMWARE_VERSIONS 1
675static union firmware_version firmware_versions[] = {
676	{
677		.firmware = {
678			.ASIC = 3,
679			.CODEC = 2,
680			.AUXDSP = 3,
681			.PROG = 773,
682		},
683	},
684};
685
686static u32 atoh(unsigned char *in, unsigned int len)
687{
688	u32 sum = 0;
689	unsigned int mult = 1;
690	unsigned char c;
691
692	while (len) {
693		c = in[len - 1];
694		if ((c >= '0') && (c <= '9'))
695			sum += mult * (c - '0');
696		else if ((c >= 'A') && (c <= 'F'))
697			sum += mult * (c - ('A' - 10));
698		else if ((c >= 'a') && (c <= 'f'))
699			sum += mult * (c - ('a' - 10));
700		mult *= 16;
701		--len;
702	}
703	return sum;
704}
705
706static int senddata(struct cmdif *cif, unsigned char *in, u32 offset)
707{
708	u32 addr;
709	u32 data;
710	u32 i;
711	unsigned char *p;
712
713	i = atoh(&in[1], 2);
714	addr = offset + atoh(&in[3], 4);
715	if (SEND_SMEM(cif, 0, addr) != 0)
716		return -EACCES;
717	p = in + 9;
718	while (i) {
719		data = atoh(p, 8);
720		if (SEND_WMEM(cif, 2,
721			      ((data & 0x0f0f0f0f) << 4) | ((data & 0xf0f0f0f0)
722							    >> 4)))
723			return -EACCES;
724		i -= 4;
725		p += 8;
726	}
727	return 0;
728}
729
730static int loadfirmware(struct cmdif *cif, unsigned char *img,
731			unsigned int size)
732{
733	unsigned char *in;
734	u32 laddr, saddr, t, val;
735	int err = 0;
736
737	laddr = saddr = 0;
738	while (size > 0 && err == 0) {
739		in = img;
740		if (in[0] == ':') {
741			t = atoh(&in[7], 2);
742			switch (t) {
743			case DATA_REC:
744				err = senddata(cif, in, laddr + saddr);
745				break;
746			case EXT_SEG_ADDR_REC:
747				saddr = atoh(&in[9], 4) << 4;
748				break;
749			case EXT_LIN_ADDR_REC:
750				laddr = atoh(&in[9], 4) << 16;
751				break;
752			case EXT_GOTO_CMD_REC:
753				val = atoh(&in[9], 8);
754				if (SEND_GOTO(cif, val) != 0)
755					err = -EACCES;
756				break;
757			case EXT_END_OF_FILE:
758				size = 0;
759				break;
760			default:
761				break;
762			}
763			while (size > 0) {
764				size--;
765				if (*img++ == '\n')
766					break;
767			}
768		}
769	}
770	snd_printdd("load firmware return %d\n", err);
771	return err;
772}
773
774static void
775alloclbuspath(struct cmdif *cif, unsigned char source,
776	      unsigned char *path, unsigned char *mixer, unsigned char *s)
777{
778	while (*path != 0xff) {
779		unsigned char sink, type;
780
781		sink = *path & (~SPLIT_PATH);
782		if (sink != E2SINK_MAX) {
783			snd_printdd("alloc path 0x%x->0x%x\n", source, sink);
784			SEND_PSEL(cif, source, sink);
785			source = lbusin2out[sink][0];
786			type = lbusin2out[sink][1];
787			if (type == LS_MIXER_IN) {
788				if (mixer)
789					*mixer = sink - DIGITAL_MIXER_IN0;
790			}
791			if (type == LS_SRC_DECIMATORM ||
792			    type == LS_SRC_DECIMATOR ||
793			    type == LS_SRC_INTERPOLATORM ||
794			    type == LS_SRC_INTERPOLATOR) {
795				if (s) {
796					if (s[0] != 0xff)
797						s[1] = sink;
798					else
799						s[0] = sink;
800				}
801			}
802		}
803		if (*path++ & SPLIT_PATH) {
804			unsigned char *npath = path;
805
806			while (*npath != 0xff)
807				npath++;
808			alloclbuspath(cif, source + 1, ++npath, mixer, s);
809		}
810	}
811}
812
813static void
814freelbuspath(struct cmdif *cif, unsigned char source, unsigned char *path)
815{
816	while (*path != 0xff) {
817		unsigned char sink;
818
819		sink = *path & (~SPLIT_PATH);
820		if (sink != E2SINK_MAX) {
821			snd_printdd("free path 0x%x->0x%x\n", source, sink);
822			SEND_PCLR(cif, source, sink);
823			source = lbusin2out[sink][0];
824		}
825		if (*path++ & SPLIT_PATH) {
826			unsigned char *npath = path;
827
828			while (*npath != 0xff)
829				npath++;
830			freelbuspath(cif, source + 1, ++npath);
831		}
832	}
833}
834
835static int writearm(struct cmdif *cif, u32 addr, u32 data, u32 mask)
836{
837	union cmdret rptr = CMDRET_ZERO;
838	unsigned int i = MAX_WRITE_RETRY;
839	int flag = 1;
840
841	SEND_RMEM(cif, 0x02, addr, &rptr);
842	rptr.retlongs[0] &= (~mask);
843
844	while (--i) {
845		SEND_SMEM(cif, 0x01, addr);
846		SEND_WMEM(cif, 0x02, (rptr.retlongs[0] | data));
847		SEND_RMEM(cif, 0x02, addr, &rptr);
848		if ((rptr.retlongs[0] & data) == data) {
849			flag = 0;
850			break;
851		} else
852			rptr.retlongs[0] &= ~mask;
853	}
854	snd_printdd("send arm 0x%x 0x%x 0x%x return %d\n", addr, data, mask,
855		    flag);
856	return flag;
857}
858
859static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
860		   union cmdret *ret)
861{
862	int i, j;
863	int err;
864	unsigned int time = 0;
865	unsigned long irqflags;
866	struct riptideport *hwport;
867	struct cmdport *cmdport = NULL;
868
869	snd_assert(cif, return -EINVAL);
870
871	hwport = cif->hwport;
872	if (cif->errcnt > MAX_ERROR_COUNT) {
873		if (cif->is_reset) {
874			snd_printk(KERN_ERR
875				   "Riptide: Too many failed cmds, reinitializing\n");
876			if (riptide_reset(cif, NULL) == 0) {
877				cif->errcnt = 0;
878				return -EIO;
879			}
880		}
881		snd_printk(KERN_ERR "Riptide: Initialization failed.\n");
882		return -EINVAL;
883	}
884	if (ret) {
885		ret->retlongs[0] = 0;
886		ret->retlongs[1] = 0;
887	}
888	i = 0;
889	spin_lock_irqsave(&cif->lock, irqflags);
890	while (i++ < CMDIF_TIMEOUT && !IS_READY(cif->hwport))
891		udelay(10);
892	if (i >= CMDIF_TIMEOUT) {
893		err = -EBUSY;
894		goto errout;
895	}
896
897	err = 0;
898	for (j = 0, time = 0; time < CMDIF_TIMEOUT; j++, time += 2) {
899		cmdport = &(hwport->port[j % 2]);
900		if (IS_DATF(cmdport)) {	/* free pending data */
901			READ_PORT_ULONG(cmdport->data1);
902			READ_PORT_ULONG(cmdport->data2);
903		}
904		if (IS_CMDE(cmdport)) {
905			if (flags & PARM)	/* put data */
906				WRITE_PORT_ULONG(cmdport->data2, parm);
907			WRITE_PORT_ULONG(cmdport->data1, cmd);	/* write cmd */
908			if ((flags & RESP) && ret) {
909				while (!IS_DATF(cmdport) &&
910				       time++ < CMDIF_TIMEOUT)
911					udelay(10);
912				if (time < CMDIF_TIMEOUT) {	/* read response */
913					ret->retlongs[0] =
914					    READ_PORT_ULONG(cmdport->data1);
915					ret->retlongs[1] =
916					    READ_PORT_ULONG(cmdport->data2);
917				} else {
918					err = -ENOSYS;
919					goto errout;
920				}
921			}
922			break;
923		}
924		udelay(20);
925	}
926	if (time == CMDIF_TIMEOUT) {
927		err = -ENODATA;
928		goto errout;
929	}
930	spin_unlock_irqrestore(&cif->lock, irqflags);
931
932	cif->cmdcnt++;		/* update command statistics */
933	cif->cmdtime += time;
934	if (time > cif->cmdtimemax)
935		cif->cmdtimemax = time;
936	if (time < cif->cmdtimemin)
937		cif->cmdtimemin = time;
938	if ((cif->cmdcnt) % 1000 == 0)
939		snd_printdd
940		    ("send cmd %d time: %d mintime: %d maxtime %d err: %d\n",
941		     cif->cmdcnt, cif->cmdtime, cif->cmdtimemin,
942		     cif->cmdtimemax, cif->errcnt);
943	return 0;
944
945      errout:
946	cif->errcnt++;
947	spin_unlock_irqrestore(&cif->lock, irqflags);
948	snd_printdd
949	    ("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",
950	     cif->cmdcnt, (int)((void *)&(cmdport->stat) - (void *)hwport),
951	     flags, cmd, parm, ret ? ret->retlongs[0] : 0,
952	     ret ? ret->retlongs[1] : 0, IS_CMDE(cmdport), IS_DATF(cmdport),
953	     err);
954	return err;
955}
956
957static int
958setmixer(struct cmdif *cif, short num, unsigned short rval, unsigned short lval)
959{
960	union cmdret rptr = CMDRET_ZERO;
961	int i = 0;
962
963	snd_printdd("sent mixer %d: 0x%d 0x%d\n", num, rval, lval);
964	do {
965		SEND_SDGV(cif, num, num, rval, lval);
966		SEND_RDGV(cif, num, num, &rptr);
967		if (rptr.retwords[0] == lval && rptr.retwords[1] == rval)
968			return 0;
969	} while (i++ < MAX_WRITE_RETRY);
970	snd_printdd("sent mixer failed\n");
971	return -EIO;
972}
973
974static int getpaths(struct cmdif *cif, unsigned char *o)
975{
976	unsigned char src[E2SINK_MAX];
977	unsigned char sink[E2SINK_MAX];
978	int i, j = 0;
979
980	for (i = 0; i < E2SINK_MAX; i++) {
981		getsourcesink(cif, i, i, &src[i], &sink[i]);
982		if (sink[i] < E2SINK_MAX) {
983			o[j++] = sink[i];
984			o[j++] = i;
985		}
986	}
987	return j;
988}
989
990static int
991getsourcesink(struct cmdif *cif, unsigned char source, unsigned char sink,
992	      unsigned char *a, unsigned char *b)
993{
994	union cmdret rptr = CMDRET_ZERO;
995
996	if (SEND_RSSV(cif, source, sink, &rptr) &&
997	    SEND_RSSV(cif, source, sink, &rptr))
998		return -EIO;
999	*a = rptr.retbytes[0];
1000	*b = rptr.retbytes[1];
1001	snd_printdd("getsourcesink 0x%x 0x%x\n", *a, *b);
1002	return 0;
1003}
1004
1005static int
1006getsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int *rate)
1007{
1008	unsigned char *s;
1009	unsigned int p[2] = { 0, 0 };
1010	int i;
1011	union cmdret rptr = CMDRET_ZERO;
1012
1013	s = intdec;
1014	for (i = 0; i < 2; i++) {
1015		if (*s != 0xff) {
1016			if (SEND_RSRC(cif, *s, &rptr) &&
1017			    SEND_RSRC(cif, *s, &rptr))
1018				return -EIO;
1019			p[i] += rptr.retwords[1];
1020			p[i] *= rptr.retwords[2];
1021			p[i] += rptr.retwords[3];
1022			p[i] /= 65536;
1023		}
1024		s++;
1025	}
1026	if (p[0]) {
1027		if (p[1] != p[0])
1028			snd_printdd("rates differ %d %d\n", p[0], p[1]);
1029		*rate = (unsigned int)p[0];
1030	} else
1031		*rate = (unsigned int)p[1];
1032	snd_printdd("getsampleformat %d %d %d\n", intdec[0], intdec[1], *rate);
1033	return 0;
1034}
1035
1036static int
1037setsampleformat(struct cmdif *cif,
1038		unsigned char mixer, unsigned char id,
1039		unsigned char channels, unsigned char format)
1040{
1041	unsigned char w, ch, sig, order;
1042
1043	snd_printdd
1044	    ("setsampleformat mixer: %d id: %d channels: %d format: %d\n",
1045	     mixer, id, channels, format);
1046	ch = channels == 1;
1047	w = snd_pcm_format_width(format) == 8;
1048	sig = snd_pcm_format_unsigned(format) != 0;
1049	order = snd_pcm_format_big_endian(format) != 0;
1050
1051	if (SEND_SETF(cif, mixer, w, ch, order, sig, id) &&
1052	    SEND_SETF(cif, mixer, w, ch, order, sig, id)) {
1053		snd_printdd("setsampleformat failed\n");
1054		return -EIO;
1055	}
1056	return 0;
1057}
1058
1059static int
1060setsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int rate)
1061{
1062	u32 D, M, N;
1063	union cmdret rptr = CMDRET_ZERO;
1064	int i;
1065
1066	snd_printdd("setsamplerate intdec: %d,%d rate: %d\n", intdec[0],
1067		    intdec[1], rate);
1068	D = 48000;
1069	M = ((rate == 48000) ? 47999 : rate) * 65536;
1070	N = M % D;
1071	M /= D;
1072	for (i = 0; i < 2; i++) {
1073		if (*intdec != 0xff) {
1074			do {
1075				SEND_SSRC(cif, *intdec, D, M, N);
1076				SEND_RSRC(cif, *intdec, &rptr);
1077			} while (rptr.retwords[1] != D &&
1078				 rptr.retwords[2] != M &&
1079				 rptr.retwords[3] != N &&
1080				 i++ < MAX_WRITE_RETRY);
1081			if (i == MAX_WRITE_RETRY) {
1082				snd_printdd("sent samplerate %d: %d failed\n",
1083					    *intdec, rate);
1084				return -EIO;
1085			}
1086		}
1087		intdec++;
1088	}
1089	return 0;
1090}
1091
1092static int
1093getmixer(struct cmdif *cif, short num, unsigned short *rval,
1094	 unsigned short *lval)
1095{
1096	union cmdret rptr = CMDRET_ZERO;
1097
1098	if (SEND_RDGV(cif, num, num, &rptr) && SEND_RDGV(cif, num, num, &rptr))
1099		return -EIO;
1100	*rval = rptr.retwords[0];
1101	*lval = rptr.retwords[1];
1102	snd_printdd("got mixer %d: 0x%d 0x%d\n", num, *rval, *lval);
1103	return 0;
1104}
1105
1106static void riptide_handleirq(unsigned long dev_id)
1107{
1108	struct snd_riptide *chip = (void *)dev_id;
1109	struct cmdif *cif = chip->cif;
1110	struct snd_pcm_substream *substream[PLAYBACK_SUBSTREAMS + 1];
1111	struct snd_pcm_runtime *runtime;
1112	struct pcmhw *data = NULL;
1113	unsigned int pos, period_bytes;
1114	struct sgd *c;
1115	int i, j;
1116	unsigned int flag;
1117
1118	if (!cif)
1119		return;
1120
1121	for (i = 0; i < PLAYBACK_SUBSTREAMS; i++)
1122		substream[i] = chip->playback_substream[i];
1123	substream[i] = chip->capture_substream;
1124	for (i = 0; i < PLAYBACK_SUBSTREAMS + 1; i++) {
1125		if (substream[i] &&
1126		    (runtime = substream[i]->runtime) &&
1127		    (data = runtime->private_data) && data->state != ST_STOP) {
1128			pos = 0;
1129			for (j = 0; j < data->pages; j++) {
1130				c = &data->sgdbuf[j];
1131				flag = le32_to_cpu(c->dwStat_Ctl);
1132				if (flag & EOB_STATUS)
1133					pos += le32_to_cpu(c->dwSegLen);
1134				if (flag & EOC_STATUS)
1135					pos += le32_to_cpu(c->dwSegLen);
1136				if ((flag & EOS_STATUS)
1137				    && (data->state == ST_PLAY)) {
1138					data->state = ST_STOP;
1139					snd_printk(KERN_ERR
1140						   "Riptide: DMA stopped unexpectedly\n");
1141				}
1142				c->dwStat_Ctl =
1143				    cpu_to_le32(flag &
1144						~(EOS_STATUS | EOB_STATUS |
1145						  EOC_STATUS));
1146			}
1147			data->pointer += pos;
1148			pos += data->oldpos;
1149			if (data->state != ST_STOP) {
1150				period_bytes =
1151				    frames_to_bytes(runtime,
1152						    runtime->period_size);
1153				snd_printdd
1154				    ("interrupt 0x%x after 0x%lx of 0x%lx frames in period\n",
1155				     READ_AUDIO_STATUS(cif->hwport),
1156				     bytes_to_frames(runtime, pos),
1157				     runtime->period_size);
1158				j = 0;
1159				if (pos >= period_bytes) {
1160					j++;
1161					while (pos >= period_bytes)
1162						pos -= period_bytes;
1163				}
1164				data->oldpos = pos;
1165				if (j > 0)
1166					snd_pcm_period_elapsed(substream[i]);
1167			}
1168		}
1169	}
1170}
1171
1172#ifdef CONFIG_PM
1173static int riptide_suspend(struct pci_dev *pci, pm_message_t state)
1174{
1175	struct snd_card *card = pci_get_drvdata(pci);
1176	struct snd_riptide *chip = card->private_data;
1177
1178	chip->in_suspend = 1;
1179	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1180	snd_pcm_suspend_all(chip->pcm);
1181	snd_ac97_suspend(chip->ac97);
1182	pci_disable_device(pci);
1183	pci_save_state(pci);
1184	pci_set_power_state(pci, pci_choose_state(pci, state));
1185	return 0;
1186}
1187
1188static int riptide_resume(struct pci_dev *pci)
1189{
1190	struct snd_card *card = pci_get_drvdata(pci);
1191	struct snd_riptide *chip = card->private_data;
1192
1193	pci_set_power_state(pci, PCI_D0);
1194	pci_restore_state(pci);
1195	if (pci_enable_device(pci) < 0) {
1196		printk(KERN_ERR "riptide: pci_enable_device failed, "
1197		       "disabling device\n");
1198		snd_card_disconnect(card);
1199		return -EIO;
1200	}
1201	pci_set_master(pci);
1202	snd_riptide_initialize(chip);
1203	snd_ac97_resume(chip->ac97);
1204	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1205	chip->in_suspend = 0;
1206	return 0;
1207}
1208#endif
1209
1210static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip)
1211{
1212	int timeout, tries;
1213	union cmdret rptr = CMDRET_ZERO;
1214	union firmware_version firmware;
1215	int i, j, err, has_firmware;
1216
1217	if (!cif)
1218		return -EINVAL;
1219
1220	cif->cmdcnt = 0;
1221	cif->cmdtime = 0;
1222	cif->cmdtimemax = 0;
1223	cif->cmdtimemin = 0xffffffff;
1224	cif->errcnt = 0;
1225	cif->is_reset = 0;
1226
1227	tries = RESET_TRIES;
1228	has_firmware = 0;
1229	while (has_firmware == 0 && tries-- > 0) {
1230		for (i = 0; i < 2; i++) {
1231			WRITE_PORT_ULONG(cif->hwport->port[i].data1, 0);
1232			WRITE_PORT_ULONG(cif->hwport->port[i].data2, 0);
1233		}
1234		SET_GRESET(cif->hwport);
1235		udelay(100);
1236		UNSET_GRESET(cif->hwport);
1237		udelay(100);
1238
1239		for (timeout = 100000; --timeout; udelay(10)) {
1240			if (IS_READY(cif->hwport) && !IS_GERR(cif->hwport))
1241				break;
1242		}
1243		if (timeout == 0) {
1244			snd_printk(KERN_ERR
1245				   "Riptide: device not ready, audio status: 0x%x ready: %d gerr: %d\n",
1246				   READ_AUDIO_STATUS(cif->hwport),
1247				   IS_READY(cif->hwport), IS_GERR(cif->hwport));
1248			return -EIO;
1249		} else {
1250			snd_printdd
1251			    ("Riptide: audio status: 0x%x ready: %d gerr: %d\n",
1252			     READ_AUDIO_STATUS(cif->hwport),
1253			     IS_READY(cif->hwport), IS_GERR(cif->hwport));
1254		}
1255
1256		SEND_GETV(cif, &rptr);
1257		for (i = 0; i < 4; i++)
1258			firmware.ret.retwords[i] = rptr.retwords[i];
1259
1260		snd_printdd
1261		    ("Firmware version: ASIC: %d CODEC %d AUXDSP %d PROG %d\n",
1262		     firmware.firmware.ASIC, firmware.firmware.CODEC,
1263		     firmware.firmware.AUXDSP, firmware.firmware.PROG);
1264
1265		for (j = 0; j < FIRMWARE_VERSIONS; j++) {
1266			has_firmware = 1;
1267			for (i = 0; i < 4; i++) {
1268				if (firmware_versions[j].ret.retwords[i] !=
1269				    firmware.ret.retwords[i])
1270					has_firmware = 0;
1271			}
1272			if (has_firmware)
1273				break;
1274		}
1275
1276		if (chip != NULL && has_firmware == 0) {
1277			snd_printdd("Writing Firmware\n");
1278			if (!chip->fw_entry) {
1279				if ((err =
1280				     request_firmware(&chip->fw_entry,
1281						      "riptide.hex",
1282						      &chip->pci->dev)) != 0) {
1283					snd_printk(KERN_ERR
1284						   "Riptide: Firmware not available %d\n",
1285						   err);
1286					return -EIO;
1287				}
1288			}
1289			err = loadfirmware(cif, chip->fw_entry->data,
1290					   chip->fw_entry->size);
1291			if (err)
1292				snd_printk(KERN_ERR
1293					   "Riptide: Could not load firmware %d\n",
1294					   err);
1295		}
1296	}
1297
1298	SEND_SACR(cif, 0, AC97_RESET);
1299	SEND_RACR(cif, AC97_RESET, &rptr);
1300	snd_printdd("AC97: 0x%x 0x%x\n", rptr.retlongs[0], rptr.retlongs[1]);
1301
1302	SEND_PLST(cif, 0);
1303	SEND_SLST(cif, 0);
1304	SEND_DLST(cif, 0);
1305	SEND_ALST(cif, 0);
1306	SEND_KDMA(cif);
1307
1308	writearm(cif, 0x301F8, 1, 1);
1309	writearm(cif, 0x301F4, 1, 1);
1310
1311	SEND_LSEL(cif, MODEM_CMD, 0, 0, MODEM_INTDEC, MODEM_MERGER,
1312		  MODEM_SPLITTER, MODEM_MIXER);
1313	setmixer(cif, MODEM_MIXER, 0x7fff, 0x7fff);
1314	alloclbuspath(cif, ARM2LBUS_FIFO13, lbus_play_modem, NULL, NULL);
1315
1316	SEND_LSEL(cif, FM_CMD, 0, 0, FM_INTDEC, FM_MERGER, FM_SPLITTER,
1317		  FM_MIXER);
1318	setmixer(cif, FM_MIXER, 0x7fff, 0x7fff);
1319	writearm(cif, 0x30648 + FM_MIXER * 4, 0x01, 0x00000005);
1320	writearm(cif, 0x301A8, 0x02, 0x00000002);
1321	writearm(cif, 0x30264, 0x08, 0xffffffff);
1322	alloclbuspath(cif, OPL3_SAMPLE, lbus_play_opl3, NULL, NULL);
1323
1324	SEND_SSRC(cif, I2S_INTDEC, 48000,
1325		  ((u32) I2S_RATE * 65536) / 48000,
1326		  ((u32) I2S_RATE * 65536) % 48000);
1327	SEND_LSEL(cif, I2S_CMD0, 0, 0, I2S_INTDEC, I2S_MERGER, I2S_SPLITTER,
1328		  I2S_MIXER);
1329	SEND_SI2S(cif, 1);
1330	alloclbuspath(cif, ARM2LBUS_FIFO0, lbus_play_i2s, NULL, NULL);
1331	alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_out, NULL, NULL);
1332	alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_outhp, NULL, NULL);
1333
1334	SET_AIACK(cif->hwport);
1335	SET_AIE(cif->hwport);
1336	SET_AIACK(cif->hwport);
1337	cif->is_reset = 1;
1338	if (chip) {
1339		for (i = 0; i < 4; i++)
1340			chip->firmware.ret.retwords[i] =
1341			    firmware.ret.retwords[i];
1342	}
1343
1344	return 0;
1345}
1346
1347static struct snd_pcm_hardware snd_riptide_playback = {
1348	.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1349		 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1350		 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1351	.formats =
1352	    SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1353	    | SNDRV_PCM_FMTBIT_U16_LE,
1354	.rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1355	.rate_min = 5500,
1356	.rate_max = 48000,
1357	.channels_min = 1,
1358	.channels_max = 2,
1359	.buffer_bytes_max = (64 * 1024),
1360	.period_bytes_min = PAGE_SIZE >> 1,
1361	.period_bytes_max = PAGE_SIZE << 8,
1362	.periods_min = 2,
1363	.periods_max = 64,
1364	.fifo_size = 0,
1365};
1366static struct snd_pcm_hardware snd_riptide_capture = {
1367	.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1368		 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1369		 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1370	.formats =
1371	    SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1372	    | SNDRV_PCM_FMTBIT_U16_LE,
1373	.rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1374	.rate_min = 5500,
1375	.rate_max = 48000,
1376	.channels_min = 1,
1377	.channels_max = 2,
1378	.buffer_bytes_max = (64 * 1024),
1379	.period_bytes_min = PAGE_SIZE >> 1,
1380	.period_bytes_max = PAGE_SIZE << 3,
1381	.periods_min = 2,
1382	.periods_max = 64,
1383	.fifo_size = 0,
1384};
1385
1386static snd_pcm_uframes_t snd_riptide_pointer(struct snd_pcm_substream
1387					     *substream)
1388{
1389	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1390	struct snd_pcm_runtime *runtime = substream->runtime;
1391	struct pcmhw *data = get_pcmhwdev(substream);
1392	struct cmdif *cif = chip->cif;
1393	union cmdret rptr = CMDRET_ZERO;
1394	snd_pcm_uframes_t ret;
1395
1396	SEND_GPOS(cif, 0, data->id, &rptr);
1397	if (data->size && runtime->period_size) {
1398		snd_printdd
1399		    ("pointer stream %d position 0x%x(0x%x in buffer) bytes 0x%lx(0x%lx in period) frames\n",
1400		     data->id, rptr.retlongs[1], rptr.retlongs[1] % data->size,
1401		     bytes_to_frames(runtime, rptr.retlongs[1]),
1402		     bytes_to_frames(runtime,
1403				     rptr.retlongs[1]) % runtime->period_size);
1404		if (rptr.retlongs[1] > data->pointer)
1405			ret =
1406			    bytes_to_frames(runtime,
1407					    rptr.retlongs[1] % data->size);
1408		else
1409			ret =
1410			    bytes_to_frames(runtime,
1411					    data->pointer % data->size);
1412	} else {
1413		snd_printdd("stream not started or strange parms (%d %ld)\n",
1414			    data->size, runtime->period_size);
1415		ret = bytes_to_frames(runtime, 0);
1416	}
1417	return ret;
1418}
1419
1420static int snd_riptide_trigger(struct snd_pcm_substream *substream, int cmd)
1421{
1422	int i, j;
1423	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1424	struct pcmhw *data = get_pcmhwdev(substream);
1425	struct cmdif *cif = chip->cif;
1426	union cmdret rptr = CMDRET_ZERO;
1427
1428	spin_lock(&chip->lock);
1429	switch (cmd) {
1430	case SNDRV_PCM_TRIGGER_START:
1431	case SNDRV_PCM_TRIGGER_RESUME:
1432		if (!(data->state & ST_PLAY)) {
1433			SEND_SSTR(cif, data->id, data->sgdlist.addr);
1434			SET_AIE(cif->hwport);
1435			data->state = ST_PLAY;
1436			if (data->mixer != 0xff)
1437				setmixer(cif, data->mixer, 0x7fff, 0x7fff);
1438			chip->openstreams++;
1439			data->oldpos = 0;
1440			data->pointer = 0;
1441		}
1442		break;
1443	case SNDRV_PCM_TRIGGER_STOP:
1444	case SNDRV_PCM_TRIGGER_SUSPEND:
1445		if (data->mixer != 0xff)
1446			setmixer(cif, data->mixer, 0, 0);
1447		setmixer(cif, data->mixer, 0, 0);
1448		SEND_KSTR(cif, data->id);
1449		data->state = ST_STOP;
1450		chip->openstreams--;
1451		j = 0;
1452		do {
1453			i = rptr.retlongs[1];
1454			SEND_GPOS(cif, 0, data->id, &rptr);
1455			udelay(1);
1456		} while (i != rptr.retlongs[1] && j++ < MAX_WRITE_RETRY);
1457		if (j >= MAX_WRITE_RETRY)
1458			snd_printk(KERN_ERR "Riptide: Could not stop stream!");
1459		break;
1460	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1461		if (!(data->state & ST_PAUSE)) {
1462			SEND_PSTR(cif, data->id);
1463			data->state |= ST_PAUSE;
1464			chip->openstreams--;
1465		}
1466		break;
1467	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1468		if (data->state & ST_PAUSE) {
1469			SEND_SSTR(cif, data->id, data->sgdlist.addr);
1470			data->state &= ~ST_PAUSE;
1471			chip->openstreams++;
1472		}
1473		break;
1474	default:
1475		spin_unlock(&chip->lock);
1476		return -EINVAL;
1477	}
1478	spin_unlock(&chip->lock);
1479	return 0;
1480}
1481
1482static int snd_riptide_prepare(struct snd_pcm_substream *substream)
1483{
1484	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1485	struct snd_pcm_runtime *runtime = substream->runtime;
1486	struct snd_sg_buf *sgbuf = snd_pcm_substream_sgbuf(substream);
1487	struct pcmhw *data = get_pcmhwdev(substream);
1488	struct cmdif *cif = chip->cif;
1489	unsigned char *lbuspath = NULL;
1490	unsigned int rate, channels;
1491	int err = 0;
1492	snd_pcm_format_t format;
1493
1494	snd_assert(cif && data, return -EINVAL);
1495
1496	snd_printdd("prepare id %d ch: %d f:0x%x r:%d\n", data->id,
1497		    runtime->channels, runtime->format, runtime->rate);
1498
1499	spin_lock_irq(&chip->lock);
1500	channels = runtime->channels;
1501	format = runtime->format;
1502	rate = runtime->rate;
1503	switch (channels) {
1504	case 1:
1505		if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1506			lbuspath = data->paths.noconv;
1507		else
1508			lbuspath = data->paths.mono;
1509		break;
1510	case 2:
1511		if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1512			lbuspath = data->paths.noconv;
1513		else
1514			lbuspath = data->paths.stereo;
1515		break;
1516	}
1517	snd_printdd("use sgdlist at 0x%p and buffer at 0x%p\n",
1518		    data->sgdlist.area, sgbuf);
1519	if (data->sgdlist.area && sgbuf) {
1520		unsigned int i, j, size, pages, f, pt, period;
1521		struct sgd *c, *p = NULL;
1522
1523		size = frames_to_bytes(runtime, runtime->buffer_size);
1524		period = frames_to_bytes(runtime, runtime->period_size);
1525		f = PAGE_SIZE;
1526		while ((size + (f >> 1) - 1) <= (f << 7) && (f << 1) > period)
1527			f = f >> 1;
1528		pages = (size + f - 1) / f;
1529		data->size = size;
1530		data->pages = pages;
1531		snd_printdd
1532		    ("create sgd size: 0x%x pages %d of size 0x%x for period 0x%x\n",
1533		     size, pages, f, period);
1534		pt = 0;
1535		j = 0;
1536		for (i = 0; i < pages; i++) {
1537			c = &data->sgdbuf[i];
1538			if (p)
1539				p->dwNextLink = cpu_to_le32(data->sgdlist.addr +
1540							    (i *
1541							     sizeof(struct
1542								    sgd)));
1543			c->dwNextLink = cpu_to_le32(data->sgdlist.addr);
1544			c->dwSegPtrPhys =
1545			    cpu_to_le32(sgbuf->table[j].addr + pt);
1546			pt = (pt + f) % PAGE_SIZE;
1547			if (pt == 0)
1548				j++;
1549			c->dwSegLen = cpu_to_le32(f);
1550			c->dwStat_Ctl =
1551			    cpu_to_le32(IEOB_ENABLE | IEOS_ENABLE |
1552					IEOC_ENABLE);
1553			p = c;
1554			size -= f;
1555		}
1556		data->sgdbuf[i].dwSegLen = cpu_to_le32(size);
1557	}
1558	if (lbuspath && lbuspath != data->lbuspath) {
1559		if (data->lbuspath)
1560			freelbuspath(cif, data->source, data->lbuspath);
1561		alloclbuspath(cif, data->source, lbuspath,
1562			      &data->mixer, data->intdec);
1563		data->lbuspath = lbuspath;
1564		data->rate = 0;
1565	}
1566	if (data->rate != rate || data->format != format ||
1567	    data->channels != channels) {
1568		data->rate = rate;
1569		data->format = format;
1570		data->channels = channels;
1571		if (setsampleformat
1572		    (cif, data->mixer, data->id, channels, format)
1573		    || setsamplerate(cif, data->intdec, rate))
1574			err = -EIO;
1575	}
1576	spin_unlock_irq(&chip->lock);
1577	return err;
1578}
1579
1580static int
1581snd_riptide_hw_params(struct snd_pcm_substream *substream,
1582		      struct snd_pcm_hw_params *hw_params)
1583{
1584	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1585	struct pcmhw *data = get_pcmhwdev(substream);
1586	struct snd_dma_buffer *sgdlist = &data->sgdlist;
1587	int err;
1588
1589	snd_printdd("hw params id %d (sgdlist: 0x%p 0x%lx %d)\n", data->id,
1590		    sgdlist->area, (unsigned long)sgdlist->addr,
1591		    (int)sgdlist->bytes);
1592	if (sgdlist->area)
1593		snd_dma_free_pages(sgdlist);
1594	if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
1595				       snd_dma_pci_data(chip->pci),
1596				       sizeof(struct sgd) * (DESC_MAX_MASK + 1),
1597				       sgdlist)) < 0) {
1598		snd_printk(KERN_ERR "Riptide: failed to alloc %d dma bytes\n",
1599			   (int)sizeof(struct sgd) * (DESC_MAX_MASK + 1));
1600		return err;
1601	}
1602	data->sgdbuf = (struct sgd *)sgdlist->area;
1603	return snd_pcm_lib_malloc_pages(substream,
1604					params_buffer_bytes(hw_params));
1605}
1606
1607static int snd_riptide_hw_free(struct snd_pcm_substream *substream)
1608{
1609	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1610	struct pcmhw *data = get_pcmhwdev(substream);
1611	struct cmdif *cif = chip->cif;
1612
1613	if (cif && data) {
1614		if (data->lbuspath)
1615			freelbuspath(cif, data->source, data->lbuspath);
1616		data->lbuspath = NULL;
1617		data->source = 0xff;
1618		data->intdec[0] = 0xff;
1619		data->intdec[1] = 0xff;
1620
1621		if (data->sgdlist.area) {
1622			snd_dma_free_pages(&data->sgdlist);
1623			data->sgdlist.area = NULL;
1624		}
1625	}
1626	return snd_pcm_lib_free_pages(substream);
1627}
1628
1629static int snd_riptide_playback_open(struct snd_pcm_substream *substream)
1630{
1631	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1632	struct snd_pcm_runtime *runtime = substream->runtime;
1633	struct pcmhw *data;
1634	int index = substream->number;
1635
1636	chip->playback_substream[index] = substream;
1637	runtime->hw = snd_riptide_playback;
1638	data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1639	data->paths = lbus_play_paths[index];
1640	data->id = play_ids[index];
1641	data->source = play_sources[index];
1642	data->intdec[0] = 0xff;
1643	data->intdec[1] = 0xff;
1644	data->state = ST_STOP;
1645	runtime->private_data = data;
1646	return snd_pcm_hw_constraint_integer(runtime,
1647					     SNDRV_PCM_HW_PARAM_PERIODS);
1648}
1649
1650static int snd_riptide_capture_open(struct snd_pcm_substream *substream)
1651{
1652	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1653	struct snd_pcm_runtime *runtime = substream->runtime;
1654	struct pcmhw *data;
1655
1656	chip->capture_substream = substream;
1657	runtime->hw = snd_riptide_capture;
1658	data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1659	data->paths = lbus_rec_path;
1660	data->id = PADC;
1661	data->source = ACLNK2PADC;
1662	data->intdec[0] = 0xff;
1663	data->intdec[1] = 0xff;
1664	data->state = ST_STOP;
1665	runtime->private_data = data;
1666	return snd_pcm_hw_constraint_integer(runtime,
1667					     SNDRV_PCM_HW_PARAM_PERIODS);
1668}
1669
1670static int snd_riptide_playback_close(struct snd_pcm_substream *substream)
1671{
1672	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1673	struct pcmhw *data = get_pcmhwdev(substream);
1674	int index = substream->number;
1675
1676	substream->runtime->private_data = NULL;
1677	chip->playback_substream[index] = NULL;
1678	kfree(data);
1679	return 0;
1680}
1681
1682static int snd_riptide_capture_close(struct snd_pcm_substream *substream)
1683{
1684	struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1685	struct pcmhw *data = get_pcmhwdev(substream);
1686
1687	substream->runtime->private_data = NULL;
1688	chip->capture_substream = NULL;
1689	kfree(data);
1690	return 0;
1691}
1692
1693static struct snd_pcm_ops snd_riptide_playback_ops = {
1694	.open = snd_riptide_playback_open,
1695	.close = snd_riptide_playback_close,
1696	.ioctl = snd_pcm_lib_ioctl,
1697	.hw_params = snd_riptide_hw_params,
1698	.hw_free = snd_riptide_hw_free,
1699	.prepare = snd_riptide_prepare,
1700	.page = snd_pcm_sgbuf_ops_page,
1701	.trigger = snd_riptide_trigger,
1702	.pointer = snd_riptide_pointer,
1703};
1704static struct snd_pcm_ops snd_riptide_capture_ops = {
1705	.open = snd_riptide_capture_open,
1706	.close = snd_riptide_capture_close,
1707	.ioctl = snd_pcm_lib_ioctl,
1708	.hw_params = snd_riptide_hw_params,
1709	.hw_free = snd_riptide_hw_free,
1710	.prepare = snd_riptide_prepare,
1711	.page = snd_pcm_sgbuf_ops_page,
1712	.trigger = snd_riptide_trigger,
1713	.pointer = snd_riptide_pointer,
1714};
1715
1716static int __devinit
1717snd_riptide_pcm(struct snd_riptide *chip, int device, struct snd_pcm **rpcm)
1718{
1719	struct snd_pcm *pcm;
1720	int err;
1721
1722	if (rpcm)
1723		*rpcm = NULL;
1724	if ((err =
1725	     snd_pcm_new(chip->card, "RIPTIDE", device, PLAYBACK_SUBSTREAMS, 1,
1726			 &pcm)) < 0)
1727		return err;
1728	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1729			&snd_riptide_playback_ops);
1730	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1731			&snd_riptide_capture_ops);
1732	pcm->private_data = chip;
1733	pcm->info_flags = 0;
1734	strcpy(pcm->name, "RIPTIDE");
1735	chip->pcm = pcm;
1736	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1737					      snd_dma_pci_data(chip->pci),
1738					      64 * 1024, 128 * 1024);
1739	if (rpcm)
1740		*rpcm = pcm;
1741	return 0;
1742}
1743
1744static irqreturn_t
1745snd_riptide_interrupt(int irq, void *dev_id)
1746{
1747	struct snd_riptide *chip = dev_id;
1748	struct cmdif *cif = chip->cif;
1749
1750	if (cif) {
1751		chip->received_irqs++;
1752		if (IS_EOBIRQ(cif->hwport) || IS_EOSIRQ(cif->hwport) ||
1753		    IS_EOCIRQ(cif->hwport)) {
1754			chip->handled_irqs++;
1755			tasklet_hi_schedule(&chip->riptide_tq);
1756		}
1757		if (chip->rmidi && IS_MPUIRQ(cif->hwport)) {
1758			chip->handled_irqs++;
1759			snd_mpu401_uart_interrupt(irq,
1760						  chip->rmidi->private_data);
1761		}
1762		SET_AIACK(cif->hwport);
1763	}
1764	return IRQ_HANDLED;
1765}
1766
1767static void
1768snd_riptide_codec_write(struct snd_ac97 *ac97, unsigned short reg,
1769			unsigned short val)
1770{
1771	struct snd_riptide *chip = ac97->private_data;
1772	struct cmdif *cif = chip->cif;
1773	union cmdret rptr = CMDRET_ZERO;
1774	int i = 0;
1775
1776	snd_assert(cif, return);
1777
1778	snd_printdd("Write AC97 reg 0x%x 0x%x\n", reg, val);
1779	do {
1780		SEND_SACR(cif, val, reg);
1781		SEND_RACR(cif, reg, &rptr);
1782	} while (rptr.retwords[1] != val && i++ < MAX_WRITE_RETRY);
1783	if (i == MAX_WRITE_RETRY)
1784		snd_printdd("Write AC97 reg failed\n");
1785}
1786
1787static unsigned short snd_riptide_codec_read(struct snd_ac97 *ac97,
1788					     unsigned short reg)
1789{
1790	struct snd_riptide *chip = ac97->private_data;
1791	struct cmdif *cif = chip->cif;
1792	union cmdret rptr = CMDRET_ZERO;
1793
1794	snd_assert(cif, return 0);
1795
1796	if (SEND_RACR(cif, reg, &rptr) != 0)
1797		SEND_RACR(cif, reg, &rptr);
1798	snd_printdd("Read AC97 reg 0x%x got 0x%x\n", reg, rptr.retwords[1]);
1799	return rptr.retwords[1];
1800}
1801
1802static int snd_riptide_initialize(struct snd_riptide *chip)
1803{
1804	struct cmdif *cif;
1805	unsigned int device_id;
1806	int err;
1807
1808	snd_assert(chip, return -EINVAL);
1809
1810	cif = chip->cif;
1811	if (!cif) {
1812		if ((cif = kzalloc(sizeof(struct cmdif), GFP_KERNEL)) == NULL)
1813			return -ENOMEM;
1814		cif->hwport = (struct riptideport *)chip->port;
1815		spin_lock_init(&cif->lock);
1816		chip->cif = cif;
1817	}
1818	cif->is_reset = 0;
1819	if ((err = riptide_reset(cif, chip)) != 0)
1820		return err;
1821	device_id = chip->device_id;
1822	switch (device_id) {
1823	case 0x4310:
1824	case 0x4320:
1825	case 0x4330:
1826		snd_printdd("Modem enable?\n");
1827		SEND_SETDPLL(cif);
1828		break;
1829	}
1830	snd_printdd("Enabling MPU IRQs\n");
1831	if (chip->rmidi)
1832		SET_EMPUIRQ(cif->hwport);
1833	return err;
1834}
1835
1836static int snd_riptide_free(struct snd_riptide *chip)
1837{
1838	struct cmdif *cif;
1839
1840	snd_assert(chip, return 0);
1841
1842	if ((cif = chip->cif)) {
1843		SET_GRESET(cif->hwport);
1844		udelay(100);
1845		UNSET_GRESET(cif->hwport);
1846		kfree(chip->cif);
1847	}
1848	if (chip->irq >= 0)
1849		free_irq(chip->irq, chip);
1850	if (chip->fw_entry)
1851		release_firmware(chip->fw_entry);
1852	release_and_free_resource(chip->res_port);
1853	kfree(chip);
1854	return 0;
1855}
1856
1857static int snd_riptide_dev_free(struct snd_device *device)
1858{
1859	struct snd_riptide *chip = device->device_data;
1860
1861	return snd_riptide_free(chip);
1862}
1863
1864static int __devinit
1865snd_riptide_create(struct snd_card *card, struct pci_dev *pci,
1866		   struct snd_riptide **rchip)
1867{
1868	struct snd_riptide *chip;
1869	struct riptideport *hwport;
1870	int err;
1871	static struct snd_device_ops ops = {
1872		.dev_free = snd_riptide_dev_free,
1873	};
1874
1875	*rchip = NULL;
1876	if ((err = pci_enable_device(pci)) < 0)
1877		return err;
1878	if (!(chip = kzalloc(sizeof(struct snd_riptide), GFP_KERNEL)))
1879		return -ENOMEM;
1880
1881	spin_lock_init(&chip->lock);
1882	chip->card = card;
1883	chip->pci = pci;
1884	chip->irq = -1;
1885	chip->openstreams = 0;
1886	chip->port = pci_resource_start(pci, 0);
1887	chip->received_irqs = 0;
1888	chip->handled_irqs = 0;
1889	chip->cif = NULL;
1890	tasklet_init(&chip->riptide_tq, riptide_handleirq, (unsigned long)chip);
1891
1892	if ((chip->res_port =
1893	     request_region(chip->port, 64, "RIPTIDE")) == NULL) {
1894		snd_printk(KERN_ERR
1895			   "Riptide: unable to grab region 0x%lx-0x%lx\n",
1896			   chip->port, chip->port + 64 - 1);
1897		snd_riptide_free(chip);
1898		return -EBUSY;
1899	}
1900	hwport = (struct riptideport *)chip->port;
1901	UNSET_AIE(hwport);
1902
1903	if (request_irq(pci->irq, snd_riptide_interrupt, IRQF_SHARED,
1904			"RIPTIDE", chip)) {
1905		snd_printk(KERN_ERR "Riptide: unable to grab IRQ %d\n",
1906			   pci->irq);
1907		snd_riptide_free(chip);
1908		return -EBUSY;
1909	}
1910	chip->irq = pci->irq;
1911	chip->device_id = pci->device;
1912	pci_set_master(pci);
1913	if ((err = snd_riptide_initialize(chip)) < 0) {
1914		snd_riptide_free(chip);
1915		return err;
1916	}
1917
1918	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1919		snd_riptide_free(chip);
1920		return err;
1921	}
1922
1923	snd_card_set_dev(card, &pci->dev);
1924
1925	*rchip = chip;
1926	return 0;
1927}
1928
1929static void
1930snd_riptide_proc_read(struct snd_info_entry *entry,
1931		      struct snd_info_buffer *buffer)
1932{
1933	struct snd_riptide *chip = entry->private_data;
1934	struct pcmhw *data;
1935	int i;
1936	struct cmdif *cif = NULL;
1937	unsigned char p[256];
1938	unsigned short rval = 0, lval = 0;
1939	unsigned int rate;
1940
1941	if (!chip)
1942		return;
1943
1944	snd_iprintf(buffer, "%s\n\n", chip->card->longname);
1945	snd_iprintf(buffer, "Device ID: 0x%x\nReceived IRQs: (%ld)%ld\nPorts:",
1946		    chip->device_id, chip->handled_irqs, chip->received_irqs);
1947	for (i = 0; i < 64; i += 4)
1948		snd_iprintf(buffer, "%c%02x: %08x",
1949			    (i % 16) ? ' ' : '\n', i, inl(chip->port + i));
1950	if ((cif = chip->cif)) {
1951		snd_iprintf(buffer,
1952			    "\nVersion: ASIC: %d CODEC: %d AUXDSP: %d PROG: %d",
1953			    chip->firmware.firmware.ASIC,
1954			    chip->firmware.firmware.CODEC,
1955			    chip->firmware.firmware.AUXDSP,
1956			    chip->firmware.firmware.PROG);
1957		snd_iprintf(buffer, "\nDigital mixer:");
1958		for (i = 0; i < 12; i++) {
1959			getmixer(cif, i, &rval, &lval);
1960			snd_iprintf(buffer, "\n %d: %d %d", i, rval, lval);
1961		}
1962		snd_iprintf(buffer,
1963			    "\nARM Commands num: %d failed: %d time: %d max: %d min: %d",
1964			    cif->cmdcnt, cif->errcnt,
1965			    cif->cmdtime, cif->cmdtimemax, cif->cmdtimemin);
1966	}
1967	snd_iprintf(buffer, "\nOpen streams %d:\n", chip->openstreams);
1968	for (i = 0; i < PLAYBACK_SUBSTREAMS; i++) {
1969		if (chip->playback_substream[i]
1970		    && chip->playback_substream[i]->runtime
1971		    && (data =
1972			chip->playback_substream[i]->runtime->private_data)) {
1973			snd_iprintf(buffer,
1974				    "stream: %d mixer: %d source: %d (%d,%d)\n",
1975				    data->id, data->mixer, data->source,
1976				    data->intdec[0], data->intdec[1]);
1977			if (!(getsamplerate(cif, data->intdec, &rate)))
1978				snd_iprintf(buffer, "rate: %d\n", rate);
1979		}
1980	}
1981	if (chip->capture_substream
1982	    && chip->capture_substream->runtime
1983	    && (data = chip->capture_substream->runtime->private_data)) {
1984		snd_iprintf(buffer,
1985			    "stream: %d mixer: %d source: %d (%d,%d)\n",
1986			    data->id, data->mixer,
1987			    data->source, data->intdec[0], data->intdec[1]);
1988		if (!(getsamplerate(cif, data->intdec, &rate)))
1989			snd_iprintf(buffer, "rate: %d\n", rate);
1990	}
1991	snd_iprintf(buffer, "Paths:\n");
1992	i = getpaths(cif, p);
1993	while (i--) {
1994		snd_iprintf(buffer, "%x->%x ", p[i - 1], p[i]);
1995		i--;
1996	}
1997	snd_iprintf(buffer, "\n");
1998}
1999
2000static void __devinit snd_riptide_proc_init(struct snd_riptide *chip)
2001{
2002	struct snd_info_entry *entry;
2003
2004	if (!snd_card_proc_new(chip->card, "riptide", &entry))
2005		snd_info_set_text_ops(entry, chip, snd_riptide_proc_read);
2006}
2007
2008static int __devinit snd_riptide_mixer(struct snd_riptide *chip)
2009{
2010	struct snd_ac97_bus *pbus;
2011	struct snd_ac97_template ac97;
2012	int err = 0;
2013	static struct snd_ac97_bus_ops ops = {
2014		.write = snd_riptide_codec_write,
2015		.read = snd_riptide_codec_read,
2016	};
2017
2018	memset(&ac97, 0, sizeof(ac97));
2019	ac97.private_data = chip;
2020	ac97.scaps = AC97_SCAP_SKIP_MODEM;
2021
2022	if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0)
2023		return err;
2024
2025	chip->ac97_bus = pbus;
2026	ac97.pci = chip->pci;
2027	if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97)) < 0)
2028		return err;
2029	return err;
2030}
2031
2032#ifdef SUPPORT_JOYSTICK
2033static int have_joystick;
2034static struct pci_dev *riptide_gameport_pci;
2035static struct gameport *riptide_gameport;
2036
2037static int __devinit
2038snd_riptide_joystick_probe(struct pci_dev *pci, const struct pci_device_id *id)
2039{
2040	static int dev;
2041
2042	if (dev >= SNDRV_CARDS)
2043		return -ENODEV;
2044	if (!enable[dev]) {
2045		dev++;
2046		return -ENOENT;
2047	}
2048
2049	if (joystick_port[dev]) {
2050		riptide_gameport = gameport_allocate_port();
2051		if (riptide_gameport) {
2052			if (!request_region
2053			    (joystick_port[dev], 8, "Riptide gameport")) {
2054				snd_printk(KERN_WARNING
2055					   "Riptide: cannot grab gameport 0x%x\n",
2056					   joystick_port[dev]);
2057				gameport_free_port(riptide_gameport);
2058				riptide_gameport = NULL;
2059			} else {
2060				riptide_gameport_pci = pci;
2061				riptide_gameport->io = joystick_port[dev];
2062				gameport_register_port(riptide_gameport);
2063			}
2064		}
2065	}
2066	dev++;
2067	return 0;
2068}
2069
2070static void __devexit snd_riptide_joystick_remove(struct pci_dev *pci)
2071{
2072	if (riptide_gameport) {
2073		if (riptide_gameport_pci == pci) {
2074			release_region(riptide_gameport->io, 8);
2075			riptide_gameport_pci = NULL;
2076			gameport_unregister_port(riptide_gameport);
2077			riptide_gameport = NULL;
2078		}
2079	}
2080}
2081#endif
2082
2083static int __devinit
2084snd_card_riptide_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2085{
2086	static int dev;
2087	struct snd_card *card;
2088	struct snd_riptide *chip;
2089	unsigned short addr;
2090	int err = 0;
2091
2092	if (dev >= SNDRV_CARDS)
2093		return -ENODEV;
2094	if (!enable[dev]) {
2095		dev++;
2096		return -ENOENT;
2097	}
2098
2099	card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2100	if (card == NULL)
2101		return -ENOMEM;
2102	if ((err = snd_riptide_create(card, pci, &chip)) < 0) {
2103		snd_card_free(card);
2104		return err;
2105	}
2106	card->private_data = chip;
2107	if ((err = snd_riptide_pcm(chip, 0, NULL)) < 0) {
2108		snd_card_free(card);
2109		return err;
2110	}
2111	if ((err = snd_riptide_mixer(chip)) < 0) {
2112		snd_card_free(card);
2113		return err;
2114	}
2115	pci_write_config_word(chip->pci, PCI_EXT_Legacy_Mask, LEGACY_ENABLE_ALL
2116			      | (opl3_port[dev] ? LEGACY_ENABLE_FM : 0)
2117#ifdef SUPPORT_JOYSTICK
2118			      | (joystick_port[dev] ? LEGACY_ENABLE_GAMEPORT :
2119				 0)
2120#endif
2121			      | (mpu_port[dev]
2122				 ? (LEGACY_ENABLE_MPU_INT | LEGACY_ENABLE_MPU) :
2123				 0)
2124			      | ((chip->irq << 4) & 0xF0));
2125	if ((addr = mpu_port[dev]) != 0) {
2126		pci_write_config_word(chip->pci, PCI_EXT_MPU_Base, addr);
2127		if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_RIPTIDE,
2128					       addr, 0, chip->irq, 0,
2129					       &chip->rmidi)) < 0)
2130			snd_printk(KERN_WARNING
2131				   "Riptide: Can't Allocate MPU at 0x%x\n",
2132				   addr);
2133		else
2134			chip->mpuaddr = addr;
2135	}
2136	if ((addr = opl3_port[dev]) != 0) {
2137		pci_write_config_word(chip->pci, PCI_EXT_FM_Base, addr);
2138		if ((err = snd_opl3_create(card, addr, addr + 2,
2139					   OPL3_HW_RIPTIDE, 0,
2140					   &chip->opl3)) < 0)
2141			snd_printk(KERN_WARNING
2142				   "Riptide: Can't Allocate OPL3 at 0x%x\n",
2143				   addr);
2144		else {
2145			chip->opladdr = addr;
2146			if ((err =
2147			     snd_opl3_hwdep_new(chip->opl3, 0, 1, NULL)) < 0)
2148				snd_printk(KERN_WARNING
2149					   "Riptide: Can't Allocate OPL3-HWDEP\n");
2150		}
2151	}
2152#ifdef SUPPORT_JOYSTICK
2153	if ((addr = joystick_port[dev]) != 0) {
2154		pci_write_config_word(chip->pci, PCI_EXT_Game_Base, addr);
2155		chip->gameaddr = addr;
2156	}
2157#endif
2158
2159	strcpy(card->driver, "RIPTIDE");
2160	strcpy(card->shortname, "Riptide");
2161#ifdef SUPPORT_JOYSTICK
2162	snprintf(card->longname, sizeof(card->longname),
2163		 "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x gameport 0x%x",
2164		 card->shortname, chip->port, chip->irq, chip->mpuaddr,
2165		 chip->opladdr, chip->gameaddr);
2166#else
2167	snprintf(card->longname, sizeof(card->longname),
2168		 "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x",
2169		 card->shortname, chip->port, chip->irq, chip->mpuaddr,
2170		 chip->opladdr);
2171#endif
2172	snd_riptide_proc_init(chip);
2173	if ((err = snd_card_register(card)) < 0) {
2174		snd_card_free(card);
2175		return err;
2176	}
2177	pci_set_drvdata(pci, card);
2178	dev++;
2179	return 0;
2180}
2181
2182static void __devexit snd_card_riptide_remove(struct pci_dev *pci)
2183{
2184	snd_card_free(pci_get_drvdata(pci));
2185	pci_set_drvdata(pci, NULL);
2186}
2187
2188static struct pci_driver driver = {
2189	.name = "RIPTIDE",
2190	.id_table = snd_riptide_ids,
2191	.probe = snd_card_riptide_probe,
2192	.remove = __devexit_p(snd_card_riptide_remove),
2193#ifdef CONFIG_PM
2194	.suspend = riptide_suspend,
2195	.resume = riptide_resume,
2196#endif
2197};
2198
2199#ifdef SUPPORT_JOYSTICK
2200static struct pci_driver joystick_driver = {
2201	.name = "Riptide Joystick",
2202	.id_table = snd_riptide_joystick_ids,
2203	.probe = snd_riptide_joystick_probe,
2204	.remove = __devexit_p(snd_riptide_joystick_remove),
2205};
2206#endif
2207
2208static int __init alsa_card_riptide_init(void)
2209{
2210	int err;
2211	if ((err = pci_register_driver(&driver)) < 0)
2212		return err;
2213#if defined(SUPPORT_JOYSTICK)
2214	if (pci_register_driver(&joystick_driver) < 0) {
2215		have_joystick = 0;
2216		snd_printk(KERN_INFO "no joystick found\n");
2217	} else
2218		have_joystick = 1;
2219#endif
2220	return 0;
2221}
2222
2223static void __exit alsa_card_riptide_exit(void)
2224{
2225	pci_unregister_driver(&driver);
2226#if defined(SUPPORT_JOYSTICK)
2227	if (have_joystick)
2228		pci_unregister_driver(&joystick_driver);
2229#endif
2230}
2231
2232module_init(alsa_card_riptide_init);
2233module_exit(alsa_card_riptide_exit);
2234