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[ALSA] Remove obsolete kfree_nocheck call
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / sound / pci / riptide / riptide.c
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109a9638
PG		 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}}");
120
121static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
122static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
123static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
124
125#ifdef SUPPORT_JOYSTICK
126static int joystick_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x200 };
127#endif
128static int mpu_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x330 };
129static int opl3_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x388 };
130
131module_param_array(index, int, NULL, 0444);
132MODULE_PARM_DESC(index, "Index value for Riptide soundcard.");
133module_param_array(id, charp, NULL, 0444);
134MODULE_PARM_DESC(id, "ID string for Riptide soundcard.");
135module_param_array(enable, bool, NULL, 0444);
136MODULE_PARM_DESC(enable, "Enable Riptide soundcard.");
137#ifdef SUPPORT_JOYSTICK
138module_param_array(joystick_port, int, NULL, 0444);
139MODULE_PARM_DESC(joystick_port, "Joystick port # for Riptide soundcard.");
140#endif
141module_param_array(mpu_port, int, NULL, 0444);
142MODULE_PARM_DESC(mpu_port, "MPU401 port # for Riptide driver.");
143module_param_array(opl3_port, int, NULL, 0444);
144MODULE_PARM_DESC(opl3_port, "OPL3 port # for Riptide driver.");
145
146/*
147 */
148
149#define MPU401_HW_RIPTIDE MPU401_HW_MPU401
150#define OPL3_HW_RIPTIDE OPL3_HW_OPL3
151
152#define PCI_EXT_CapId 0x40
153#define PCI_EXT_NextCapPrt 0x41
154#define PCI_EXT_PWMC 0x42
155#define PCI_EXT_PWSCR 0x44
156#define PCI_EXT_Data00 0x46
157#define PCI_EXT_PMSCR_BSE 0x47
158#define PCI_EXT_SB_Base 0x48
159#define PCI_EXT_FM_Base 0x4a
160#define PCI_EXT_MPU_Base 0x4C
161#define PCI_EXT_Game_Base 0x4E
162#define PCI_EXT_Legacy_Mask 0x50
163#define PCI_EXT_AsicRev 0x52
164#define PCI_EXT_Reserved3 0x53
165
166#define LEGACY_ENABLE_ALL 0x8000 /* legacy device options */
167#define LEGACY_ENABLE_SB 0x4000
168#define LEGACY_ENABLE_FM 0x2000
169#define LEGACY_ENABLE_MPU_INT 0x1000
170#define LEGACY_ENABLE_MPU 0x0800
171#define LEGACY_ENABLE_GAMEPORT 0x0400
172
173#define MAX_WRITE_RETRY 10 /* cmd interface limits */
174#define MAX_ERROR_COUNT 10
175#define CMDIF_TIMEOUT 500000
176#define RESET_TRIES 5
177
178#define READ_PORT_ULONG(p) inl((unsigned long)&(p))
179#define WRITE_PORT_ULONG(p,x) outl(x,(unsigned long)&(p))
180
181#define READ_AUDIO_CONTROL(p) READ_PORT_ULONG(p->audio_control)
182#define WRITE_AUDIO_CONTROL(p,x) WRITE_PORT_ULONG(p->audio_control,x)
183#define UMASK_AUDIO_CONTROL(p,x) WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)|x)
184#define MASK_AUDIO_CONTROL(p,x) WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)&x)
185#define READ_AUDIO_STATUS(p) READ_PORT_ULONG(p->audio_status)
186
187#define SET_GRESET(p) UMASK_AUDIO_CONTROL(p,0x0001) /* global reset switch */
188#define UNSET_GRESET(p) MASK_AUDIO_CONTROL(p,~0x0001)
189#define SET_AIE(p) UMASK_AUDIO_CONTROL(p,0x0004) /* interrupt enable */
190#define UNSET_AIE(p) MASK_AUDIO_CONTROL(p,~0x0004)
191#define SET_AIACK(p) UMASK_AUDIO_CONTROL(p,0x0008) /* interrupt acknowledge */
192#define UNSET_AIACKT(p) MASKAUDIO_CONTROL(p,~0x0008)
193#define SET_ECMDAE(p) UMASK_AUDIO_CONTROL(p,0x0010)
194#define UNSET_ECMDAE(p) MASK_AUDIO_CONTROL(p,~0x0010)
195#define SET_ECMDBE(p) UMASK_AUDIO_CONTROL(p,0x0020)
196#define UNSET_ECMDBE(p) MASK_AUDIO_CONTROL(p,~0x0020)
197#define SET_EDATAF(p) UMASK_AUDIO_CONTROL(p,0x0040)
198#define UNSET_EDATAF(p) MASK_AUDIO_CONTROL(p,~0x0040)
199#define SET_EDATBF(p) UMASK_AUDIO_CONTROL(p,0x0080)
200#define UNSET_EDATBF(p) MASK_AUDIO_CONTROL(p,~0x0080)
201#define SET_ESBIRQON(p) UMASK_AUDIO_CONTROL(p,0x0100)
202#define UNSET_ESBIRQON(p) MASK_AUDIO_CONTROL(p,~0x0100)
203#define SET_EMPUIRQ(p) UMASK_AUDIO_CONTROL(p,0x0200)
204#define UNSET_EMPUIRQ(p) MASK_AUDIO_CONTROL(p,~0x0200)
205#define IS_CMDE(a) (READ_PORT_ULONG(a->stat)&0x1) /* cmd empty */
206#define IS_DATF(a) (READ_PORT_ULONG(a->stat)&0x2) /* data filled */
207#define IS_READY(p) (READ_AUDIO_STATUS(p)&0x0001)
208#define IS_DLREADY(p) (READ_AUDIO_STATUS(p)&0x0002)
209#define IS_DLERR(p) (READ_AUDIO_STATUS(p)&0x0004)
210#define IS_GERR(p) (READ_AUDIO_STATUS(p)&0x0008) /* error ! */
211#define IS_CMDAEIRQ(p) (READ_AUDIO_STATUS(p)&0x0010)
212#define IS_CMDBEIRQ(p) (READ_AUDIO_STATUS(p)&0x0020)
213#define IS_DATAFIRQ(p) (READ_AUDIO_STATUS(p)&0x0040)
214#define IS_DATBFIRQ(p) (READ_AUDIO_STATUS(p)&0x0080)
215#define IS_EOBIRQ(p) (READ_AUDIO_STATUS(p)&0x0100) /* interrupt status */
216#define IS_EOSIRQ(p) (READ_AUDIO_STATUS(p)&0x0200)
217#define IS_EOCIRQ(p) (READ_AUDIO_STATUS(p)&0x0400)
218#define IS_UNSLIRQ(p) (READ_AUDIO_STATUS(p)&0x0800)
219#define IS_SBIRQ(p) (READ_AUDIO_STATUS(p)&0x1000)
220#define IS_MPUIRQ(p) (READ_AUDIO_STATUS(p)&0x2000)
221
222#define RESP 0x00000001 /* command flags */
223#define PARM 0x00000002
224#define CMDA 0x00000004
225#define CMDB 0x00000008
226#define NILL 0x00000000
227
228#define LONG0(a) ((u32)a) /* shifts and masks */
229#define BYTE0(a) (LONG0(a)&0xff)
230#define BYTE1(a) (BYTE0(a)<<8)
231#define BYTE2(a) (BYTE0(a)<<16)
232#define BYTE3(a) (BYTE0(a)<<24)
233#define WORD0(a) (LONG0(a)&0xffff)
234#define WORD1(a) (WORD0(a)<<8)
235#define WORD2(a) (WORD0(a)<<16)
236#define TRINIB0(a) (LONG0(a)&0xffffff)
237#define TRINIB1(a) (TRINIB0(a)<<8)
238
239#define RET(a) ((union cmdret *)(a))
240
241#define SEND_GETV(p,b) sendcmd(p,RESP,GETV,0,RET(b)) /* get version */
242#define SEND_GETC(p,b,c) sendcmd(p,PARM|RESP,GETC,c,RET(b))
243#define SEND_GUNS(p,b) sendcmd(p,RESP,GUNS,0,RET(b))
244#define SEND_SCID(p,b) sendcmd(p,RESP,SCID,0,RET(b))
245#define SEND_RMEM(p,b,c,d) sendcmd(p,PARM|RESP,RMEM|BYTE1(b),LONG0(c),RET(d)) /* memory access for firmware write */
246#define SEND_SMEM(p,b,c) sendcmd(p,PARM,SMEM|BYTE1(b),LONG0(c),RET(0)) /* memory access for firmware write */
247#define SEND_WMEM(p,b,c) sendcmd(p,PARM,WMEM|BYTE1(b),LONG0(c),RET(0)) /* memory access for firmware write */
248#define SEND_SDTM(p,b,c) sendcmd(p,PARM|RESP,SDTM|TRINIB1(b),0,RET(c)) /* memory access for firmware write */
249#define SEND_GOTO(p,b) sendcmd(p,PARM,GOTO,LONG0(b),RET(0)) /* memory access for firmware write */
250#define SEND_SETDPLL(p) sendcmd(p,0,ARM_SETDPLL,0,RET(0))
251#define SEND_SSTR(p,b,c) sendcmd(p,PARM,SSTR|BYTE3(b),LONG0(c),RET(0)) /* start stream */
252#define SEND_PSTR(p,b) sendcmd(p,PARM,PSTR,BYTE3(b),RET(0)) /* pause stream */
253#define SEND_KSTR(p,b) sendcmd(p,PARM,KSTR,BYTE3(b),RET(0)) /* stop stream */
254#define SEND_KDMA(p) sendcmd(p,0,KDMA,0,RET(0)) /* stop all dma */
255#define SEND_GPOS(p,b,c,d) sendcmd(p,PARM|RESP,GPOS,BYTE3(c)|BYTE2(b),RET(d)) /* get position in dma */
256#define SEND_SETF(p,b,c,d,e,f,g) sendcmd(p,PARM,SETF|WORD1(b)|BYTE3(c),d|BYTE1(e)|BYTE2(f)|BYTE3(g),RET(0)) /* set sample format at mixer */
257#define SEND_GSTS(p,b,c,d) sendcmd(p,PARM|RESP,GSTS,BYTE3(c)|BYTE2(b),RET(d))
258#define SEND_NGPOS(p,b,c,d) sendcmd(p,PARM|RESP,NGPOS,BYTE3(c)|BYTE2(b),RET(d))
259#define SEND_PSEL(p,b,c) sendcmd(p,PARM,PSEL,BYTE2(b)|BYTE3(c),RET(0)) /* activate lbus path */
260#define SEND_PCLR(p,b,c) sendcmd(p,PARM,PCLR,BYTE2(b)|BYTE3(c),RET(0)) /* deactivate lbus path */
261#define SEND_PLST(p,b) sendcmd(p,PARM,PLST,BYTE3(b),RET(0))
262#define SEND_RSSV(p,b,c,d) sendcmd(p,PARM|RESP,RSSV,BYTE2(b)|BYTE3(c),RET(d))
263#define SEND_LSEL(p,b,c,d,e,f,g,h) sendcmd(p,PARM,LSEL|BYTE1(b)|BYTE2(c)|BYTE3(d),BYTE0(e)|BYTE1(f)|BYTE2(g)|BYTE3(h),RET(0)) /* select paths for internal connections */
264#define SEND_SSRC(p,b,c,d,e) sendcmd(p,PARM,SSRC|BYTE1(b)|WORD2(c),WORD0(d)|WORD2(e),RET(0)) /* configure source */
265#define SEND_SLST(p,b) sendcmd(p,PARM,SLST,BYTE3(b),RET(0))
266#define SEND_RSRC(p,b,c) sendcmd(p,RESP,RSRC|BYTE1(b),0,RET(c)) /* read source config */
267#define SEND_SSRB(p,b,c) sendcmd(p,PARM,SSRB|BYTE1(b),WORD2(c),RET(0))
268#define SEND_SDGV(p,b,c,d,e) sendcmd(p,PARM,SDGV|BYTE2(b)|BYTE3(c),WORD0(d)|WORD2(e),RET(0)) /* set digital mixer */
269#define SEND_RDGV(p,b,c,d) sendcmd(p,PARM|RESP,RDGV|BYTE2(b)|BYTE3(c),0,RET(d)) /* read digital mixer */
270#define SEND_DLST(p,b) sendcmd(p,PARM,DLST,BYTE3(b),RET(0))
271#define SEND_SACR(p,b,c) sendcmd(p,PARM,SACR,WORD0(b)|WORD2(c),RET(0)) /* set AC97 register */
272#define SEND_RACR(p,b,c) sendcmd(p,PARM|RESP,RACR,WORD2(b),RET(c)) /* get AC97 register */
273#define SEND_ALST(p,b) sendcmd(p,PARM,ALST,BYTE3(b),RET(0))
274#define SEND_TXAC(p,b,c,d,e,f) sendcmd(p,PARM,TXAC|BYTE1(b)|WORD2(c),WORD0(d)|BYTE2(e)|BYTE3(f),RET(0))
275#define SEND_RXAC(p,b,c,d) sendcmd(p,PARM|RESP,RXAC,BYTE2(b)|BYTE3(c),RET(d))
276#define SEND_SI2S(p,b) sendcmd(p,PARM,SI2S,WORD2(b),RET(0))
277
278#define EOB_STATUS 0x80000000 /* status flags : block boundary */
279#define EOS_STATUS 0x40000000 /* : stoppped */
280#define EOC_STATUS 0x20000000 /* : stream end */
281#define ERR_STATUS 0x10000000
282#define EMPTY_STATUS 0x08000000
283
284#define IEOB_ENABLE 0x1 /* enable interrupts for status notification above */
285#define IEOS_ENABLE 0x2
286#define IEOC_ENABLE 0x4
287#define RDONCE 0x8
288#define DESC_MAX_MASK 0xff
289
290#define ST_PLAY 0x1 /* stream states */
291#define ST_STOP 0x2
292#define ST_PAUSE 0x4
293
294#define I2S_INTDEC 3 /* config for I2S link */
295#define I2S_MERGER 0
296#define I2S_SPLITTER 0
297#define I2S_MIXER 7
298#define I2S_RATE 44100
299
300#define MODEM_INTDEC 4 /* config for modem link */
301#define MODEM_MERGER 3
302#define MODEM_SPLITTER 0
303#define MODEM_MIXER 11
304
305#define FM_INTDEC 3 /* config for FM/OPL3 link */
306#define FM_MERGER 0
307#define FM_SPLITTER 0
308#define FM_MIXER 9
309
310#define SPLIT_PATH 0x80 /* path splitting flag */
311
312enum FIRMWARE {
313 DATA_REC = 0, EXT_END_OF_FILE, EXT_SEG_ADDR_REC, EXT_GOTO_CMD_REC,
314 EXT_LIN_ADDR_REC,
315};
316
317enum CMDS {
318 GETV = 0x00, GETC, GUNS, SCID, RMEM =
319 0x10, SMEM, WMEM, SDTM, GOTO, SSTR =
320 0x20, PSTR, KSTR, KDMA, GPOS, SETF, GSTS, NGPOS, PSEL =
321 0x30, PCLR, PLST, RSSV, LSEL, SSRC = 0x40, SLST, RSRC, SSRB, SDGV =
322 0x50, RDGV, DLST, SACR = 0x60, RACR, ALST, TXAC, RXAC, SI2S =
323 0x70, ARM_SETDPLL = 0x72,
324};
325
326enum E1SOURCE {
327 ARM2LBUS_FIFO0 = 0, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2, ARM2LBUS_FIFO3,
328 ARM2LBUS_FIFO4, ARM2LBUS_FIFO5, ARM2LBUS_FIFO6, ARM2LBUS_FIFO7,
329 ARM2LBUS_FIFO8, ARM2LBUS_FIFO9, ARM2LBUS_FIFO10, ARM2LBUS_FIFO11,
330 ARM2LBUS_FIFO12, ARM2LBUS_FIFO13, ARM2LBUS_FIFO14, ARM2LBUS_FIFO15,
331 INTER0_OUT, INTER1_OUT, INTER2_OUT, INTER3_OUT, INTER4_OUT,
332 INTERM0_OUT, INTERM1_OUT, INTERM2_OUT, INTERM3_OUT, INTERM4_OUT,
333 INTERM5_OUT, INTERM6_OUT, DECIMM0_OUT, DECIMM1_OUT, DECIMM2_OUT,
334 DECIMM3_OUT, DECIM0_OUT, SR3_4_OUT, OPL3_SAMPLE, ASRC0, ASRC1,
335 ACLNK2PADC, ACLNK2MODEM0RX, ACLNK2MIC, ACLNK2MODEM1RX, ACLNK2HNDMIC,
336 DIGITAL_MIXER_OUT0, GAINFUNC0_OUT, GAINFUNC1_OUT, GAINFUNC2_OUT,
337 GAINFUNC3_OUT, GAINFUNC4_OUT, SOFTMODEMTX, SPLITTER0_OUTL,
338 SPLITTER0_OUTR, SPLITTER1_OUTL, SPLITTER1_OUTR, SPLITTER2_OUTL,
339 SPLITTER2_OUTR, SPLITTER3_OUTL, SPLITTER3_OUTR, MERGER0_OUT,
340 MERGER1_OUT, MERGER2_OUT, MERGER3_OUT, ARM2LBUS_FIFO_DIRECT, NO_OUT
341};
342
343enum E2SINK {
344 LBUS2ARM_FIFO0 = 0, LBUS2ARM_FIFO1, LBUS2ARM_FIFO2, LBUS2ARM_FIFO3,
345 LBUS2ARM_FIFO4, LBUS2ARM_FIFO5, LBUS2ARM_FIFO6, LBUS2ARM_FIFO7,
346 INTER0_IN, INTER1_IN, INTER2_IN, INTER3_IN, INTER4_IN, INTERM0_IN,
347 INTERM1_IN, INTERM2_IN, INTERM3_IN, INTERM4_IN, INTERM5_IN, INTERM6_IN,
348 DECIMM0_IN, DECIMM1_IN, DECIMM2_IN, DECIMM3_IN, DECIM0_IN, SR3_4_IN,
349 PDAC2ACLNK, MODEM0TX2ACLNK, MODEM1TX2ACLNK, HNDSPK2ACLNK,
350 DIGITAL_MIXER_IN0, DIGITAL_MIXER_IN1, DIGITAL_MIXER_IN2,
351 DIGITAL_MIXER_IN3, DIGITAL_MIXER_IN4, DIGITAL_MIXER_IN5,
352 DIGITAL_MIXER_IN6, DIGITAL_MIXER_IN7, DIGITAL_MIXER_IN8,
353 DIGITAL_MIXER_IN9, DIGITAL_MIXER_IN10, DIGITAL_MIXER_IN11,
354 GAINFUNC0_IN, GAINFUNC1_IN, GAINFUNC2_IN, GAINFUNC3_IN, GAINFUNC4_IN,
355 SOFTMODEMRX, SPLITTER0_IN, SPLITTER1_IN, SPLITTER2_IN, SPLITTER3_IN,
356 MERGER0_INL, MERGER0_INR, MERGER1_INL, MERGER1_INR, MERGER2_INL,
357 MERGER2_INR, MERGER3_INL, MERGER3_INR, E2SINK_MAX
358};
359
360enum LBUS_SINK {
361 LS_SRC_INTERPOLATOR = 0, LS_SRC_INTERPOLATORM, LS_SRC_DECIMATOR,
362 LS_SRC_DECIMATORM, LS_MIXER_IN, LS_MIXER_GAIN_FUNCTION,
363 LS_SRC_SPLITTER, LS_SRC_MERGER, LS_NONE1, LS_NONE2,
364};
365
366enum RT_CHANNEL_IDS {
367 M0TX = 0, M1TX, TAMTX, HSSPKR, PDAC, DSNDTX0, DSNDTX1, DSNDTX2,
368 DSNDTX3, DSNDTX4, DSNDTX5, DSNDTX6, DSNDTX7, WVSTRTX, COP3DTX, SPARE,
369 M0RX, HSMIC, M1RX, CLEANRX, MICADC, PADC, COPRX1, COPRX2,
370 CHANNEL_ID_COUNTER
371};
372
373enum { SB_CMD = 0, MODEM_CMD, I2S_CMD0, I2S_CMD1, FM_CMD, MAX_CMD };
374
375struct lbuspath {
376 unsigned char *noconv;
377 unsigned char *stereo;
378 unsigned char *mono;
379};
380
381struct cmdport {
382 u32 data1; /* cmd,param */
383 u32 data2; /* param */
384 u32 stat; /* status */
385 u32 pad[5];
386};
387
388struct riptideport {
389 u32 audio_control; /* status registers */
390 u32 audio_status;
391 u32 pad[2];
392 struct cmdport port[2]; /* command ports */
393};
394
395struct cmdif {
396 struct riptideport *hwport;
397 spinlock_t lock;
398 unsigned int cmdcnt; /* cmd statistics */
399 unsigned int cmdtime;
400 unsigned int cmdtimemax;
401 unsigned int cmdtimemin;
402 unsigned int errcnt;
403 int is_reset;
404};
405
406struct riptide_firmware {
407 u16 ASIC;
408 u16 CODEC;
409 u16 AUXDSP;
410 u16 PROG;
411};
412
413union cmdret {
414 u8 retbytes[8];
415 u16 retwords[4];
416 u32 retlongs[2];
417};
418
419union firmware_version {
420 union cmdret ret;
421 struct riptide_firmware firmware;
422};
423
424#define get_pcmhwdev(substream) (struct pcmhw *)(substream->runtime->private_data)
425
426#define PLAYBACK_SUBSTREAMS 3
427struct snd_riptide {
428 struct snd_card *card;
429 struct pci_dev *pci;
430 const struct firmware *fw_entry;
431
432 struct cmdif *cif;
433
434 struct snd_pcm *pcm;
435 struct snd_pcm *pcm_i2s;
436 struct snd_rawmidi *rmidi;
437 struct snd_opl3 *opl3;
438 struct snd_ac97 *ac97;
439 struct snd_ac97_bus *ac97_bus;
440
441 struct snd_pcm_substream *playback_substream[PLAYBACK_SUBSTREAMS];
442 struct snd_pcm_substream *capture_substream;
443
444 int openstreams;
445
446 int irq;
447 unsigned long port;
448 unsigned short mpuaddr;
449 unsigned short opladdr;
450#ifdef SUPPORT_JOYSTICK
451 unsigned short gameaddr;
452#endif
453 struct resource *res_port;
454
455 unsigned short device_id;
456
457 union firmware_version firmware;
458
459 spinlock_t lock;
460 struct tasklet_struct riptide_tq;
461 struct snd_info_entry *proc_entry;
462
463 unsigned long received_irqs;
464 unsigned long handled_irqs;
465#ifdef CONFIG_PM
466 int in_suspend;
467#endif
468};
469
470struct sgd { /* scatter gather desriptor */
471 u32 dwNextLink;
472 u32 dwSegPtrPhys;
473 u32 dwSegLen;
474 u32 dwStat_Ctl;
475};
476
477struct pcmhw { /* pcm descriptor */
478 struct lbuspath paths;
479 unsigned char *lbuspath;
480 unsigned char source;
481 unsigned char intdec[2];
482 unsigned char mixer;
483 unsigned char id;
484 unsigned char state;
485 unsigned int rate;
486 unsigned int channels;
487 snd_pcm_format_t format;
488 struct snd_dma_buffer sgdlist;
489 struct sgd *sgdbuf;
490 unsigned int size;
491 unsigned int pages;
492 unsigned int oldpos;
493 unsigned int pointer;
494};
495
496#define CMDRET_ZERO (union cmdret){{(u32)0, (u32) 0}}
497
498static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
499 union cmdret *ret);
500static int getsourcesink(struct cmdif *cif, unsigned char source,
501 unsigned char sink, unsigned char *a,
502 unsigned char *b);
503static int snd_riptide_initialize(struct snd_riptide *chip);
504static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip);
505
506/*
507 */
508
509static struct pci_device_id snd_riptide_ids[] = {
510 {
511 .vendor = 0x127a,.device = 0x4310,
512 .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
513 },
514 {
515 .vendor = 0x127a,.device = 0x4320,
516 .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
517 },
518 {
519 .vendor = 0x127a,.device = 0x4330,
520 .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
521 },
522 {
523 .vendor = 0x127a,.device = 0x4340,
524 .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
525 },
526 {0,},
527};
528
529#ifdef SUPPORT_JOYSTICK
530static struct pci_device_id snd_riptide_joystick_ids[] = {
531 {
532 .vendor = 0x127a,.device = 0x4312,
533 .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
534 },
535 {
536 .vendor = 0x127a,.device = 0x4322,
537 .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
538 },
539 {.vendor = 0x127a,.device = 0x4332,
540 .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
541 },
542 {.vendor = 0x127a,.device = 0x4342,
543 .subvendor = PCI_ANY_ID,.subdevice = PCI_ANY_ID,
544 },
545 {0,},
546};
547#endif
548
549MODULE_DEVICE_TABLE(pci, snd_riptide_ids);
550
551/*
552 */
553
554static unsigned char lbusin2out[E2SINK_MAX + 1][2] = {
555 {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
556 LS_NONE2},
557 {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
558 LS_NONE2},
559 {INTER0_OUT, LS_SRC_INTERPOLATOR}, {INTER1_OUT, LS_SRC_INTERPOLATOR},
560 {INTER2_OUT, LS_SRC_INTERPOLATOR}, {INTER3_OUT, LS_SRC_INTERPOLATOR},
561 {INTER4_OUT, LS_SRC_INTERPOLATOR}, {INTERM0_OUT, LS_SRC_INTERPOLATORM},
562 {INTERM1_OUT, LS_SRC_INTERPOLATORM}, {INTERM2_OUT,
563 LS_SRC_INTERPOLATORM},
564 {INTERM3_OUT, LS_SRC_INTERPOLATORM}, {INTERM4_OUT,
565 LS_SRC_INTERPOLATORM},
566 {INTERM5_OUT, LS_SRC_INTERPOLATORM}, {INTERM6_OUT,
567 LS_SRC_INTERPOLATORM},
568 {DECIMM0_OUT, LS_SRC_DECIMATORM}, {DECIMM1_OUT, LS_SRC_DECIMATORM},
569 {DECIMM2_OUT, LS_SRC_DECIMATORM}, {DECIMM3_OUT, LS_SRC_DECIMATORM},
570 {DECIM0_OUT, LS_SRC_DECIMATOR}, {SR3_4_OUT, LS_NONE1}, {NO_OUT,
571 LS_NONE2},
572 {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1},
573 {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
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 {GAINFUNC0_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC1_OUT,
580 LS_MIXER_GAIN_FUNCTION},
581 {GAINFUNC2_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC3_OUT,
582 LS_MIXER_GAIN_FUNCTION},
583 {GAINFUNC4_OUT, LS_MIXER_GAIN_FUNCTION}, {SOFTMODEMTX, LS_NONE1},
584 {SPLITTER0_OUTL, LS_SRC_SPLITTER}, {SPLITTER1_OUTL, LS_SRC_SPLITTER},
585 {SPLITTER2_OUTL, LS_SRC_SPLITTER}, {SPLITTER3_OUTL, LS_SRC_SPLITTER},
586 {MERGER0_OUT, LS_SRC_MERGER}, {MERGER0_OUT, LS_SRC_MERGER},
587 {MERGER1_OUT, LS_SRC_MERGER},
588 {MERGER1_OUT, LS_SRC_MERGER}, {MERGER2_OUT, LS_SRC_MERGER},
589 {MERGER2_OUT, LS_SRC_MERGER},
590 {MERGER3_OUT, LS_SRC_MERGER}, {MERGER3_OUT, LS_SRC_MERGER}, {NO_OUT,
591 LS_NONE2},
592};
593
594static unsigned char lbus_play_opl3[] = {
595 DIGITAL_MIXER_IN0 + FM_MIXER, 0xff
596};
597static unsigned char lbus_play_modem[] = {
598 DIGITAL_MIXER_IN0 + MODEM_MIXER, 0xff
599};
600static unsigned char lbus_play_i2s[] = {
601 INTER0_IN + I2S_INTDEC, DIGITAL_MIXER_IN0 + I2S_MIXER, 0xff
602};
603static unsigned char lbus_play_out[] = {
604 PDAC2ACLNK, 0xff
605};
606static unsigned char lbus_play_outhp[] = {
607 HNDSPK2ACLNK, 0xff
608};
609static unsigned char lbus_play_noconv1[] = {
610 DIGITAL_MIXER_IN0, 0xff
611};
612static unsigned char lbus_play_stereo1[] = {
613 INTER0_IN, DIGITAL_MIXER_IN0, 0xff
614};
615static unsigned char lbus_play_mono1[] = {
616 INTERM0_IN, DIGITAL_MIXER_IN0, 0xff
617};
618static unsigned char lbus_play_noconv2[] = {
619 DIGITAL_MIXER_IN1, 0xff
620};
621static unsigned char lbus_play_stereo2[] = {
622 INTER1_IN, DIGITAL_MIXER_IN1, 0xff
623};
624static unsigned char lbus_play_mono2[] = {
625 INTERM1_IN, DIGITAL_MIXER_IN1, 0xff
626};
627static unsigned char lbus_play_noconv3[] = {
628 DIGITAL_MIXER_IN2, 0xff
629};
630static unsigned char lbus_play_stereo3[] = {
631 INTER2_IN, DIGITAL_MIXER_IN2, 0xff
632};
633static unsigned char lbus_play_mono3[] = {
634 INTERM2_IN, DIGITAL_MIXER_IN2, 0xff
635};
636static unsigned char lbus_rec_noconv1[] = {
637 LBUS2ARM_FIFO5, 0xff
638};
639static unsigned char lbus_rec_stereo1[] = {
640 DECIM0_IN, LBUS2ARM_FIFO5, 0xff
641};
642static unsigned char lbus_rec_mono1[] = {
643 DECIMM3_IN, LBUS2ARM_FIFO5, 0xff
644};
645
646static unsigned char play_ids[] = { 4, 1, 2, };
647static unsigned char play_sources[] = {
648 ARM2LBUS_FIFO4, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2,
649};
650static struct lbuspath lbus_play_paths[] = {
651 {
652 .noconv = lbus_play_noconv1,
653 .stereo = lbus_play_stereo1,
654 .mono = lbus_play_mono1,
655 },
656 {
657 .noconv = lbus_play_noconv2,
658 .stereo = lbus_play_stereo2,
659 .mono = lbus_play_mono2,
660 },
661 {
662 .noconv = lbus_play_noconv3,
663 .stereo = lbus_play_stereo3,
664 .mono = lbus_play_mono3,
665 },
666};
667static struct lbuspath lbus_rec_path = {
668 .noconv = lbus_rec_noconv1,
669 .stereo = lbus_rec_stereo1,
670 .mono = lbus_rec_mono1,
671};
672
673#define FIRMWARE_VERSIONS 1
674static union firmware_version firmware_versions[] = {
675 {
676 .firmware.ASIC = 3,.firmware.CODEC = 2,
677 .firmware.AUXDSP = 3,.firmware.PROG = 773,
678 },
679};
680
681static u32 atoh(unsigned char *in, unsigned int len)
682{
683 u32 sum = 0;
684 unsigned int mult = 1;
685 unsigned char c;
686
687 while (len) {
688 c = in[len - 1];
689 if ((c >= '0') && (c <= '9'))
690 sum += mult * (c - '0');
691 else if ((c >= 'A') && (c <= 'F'))
692 sum += mult * (c - ('A' - 10));
693 else if ((c >= 'a') && (c <= 'f'))
694 sum += mult * (c - ('a' - 10));
695 mult *= 16;
696 --len;
697 }
698 return sum;
699}
700
701static int senddata(struct cmdif *cif, unsigned char *in, u32 offset)
702{
703 u32 addr;
704 u32 data;
705 u32 i;
706 unsigned char *p;
707
708 i = atoh(&in[1], 2);
709 addr = offset + atoh(&in[3], 4);
710 if (SEND_SMEM(cif, 0, addr) != 0)
711 return -EACCES;
712 p = in + 9;
713 while (i) {
714 data = atoh(p, 8);
715 if (SEND_WMEM(cif, 2,
716 ((data & 0x0f0f0f0f) << 4) | ((data & 0xf0f0f0f0)
717 >> 4)))
718 return -EACCES;
719 i -= 4;
720 p += 8;
721 }
722 return 0;
723}
724
725static int loadfirmware(struct cmdif *cif, unsigned char *img,
726 unsigned int size)
727{
728 unsigned char *in;
729 u32 laddr, saddr, t, val;
730 int err = 0;
731
732 laddr = saddr = 0;
733 while (size > 0 && err == 0) {
734 in = img;
735 if (in[0] == ':') {
736 t = atoh(&in[7], 2);
737 switch (t) {
738 case DATA_REC:
739 err = senddata(cif, in, laddr + saddr);
740 break;
741 case EXT_SEG_ADDR_REC:
742 saddr = atoh(&in[9], 4) << 4;
743 break;
744 case EXT_LIN_ADDR_REC:
745 laddr = atoh(&in[9], 4) << 16;
746 break;
747 case EXT_GOTO_CMD_REC:
748 val = atoh(&in[9], 8);
749 if (SEND_GOTO(cif, val) != 0)
750 err = -EACCES;
751 break;
752 case EXT_END_OF_FILE:
753 size = 0;
754 break;
755 default:
756 break;
757 }
758 while (size > 0) {
759 size--;
760 if (*img++ == '\n')
761 break;
762 }
763 }
764 }
765 snd_printdd("load firmware return %d\n", err);
766 return err;
767}
768
769static void
770alloclbuspath(struct cmdif *cif, unsigned char source,
771 unsigned char *path, unsigned char *mixer, unsigned char *s)
772{
773 while (*path != 0xff) {
774 unsigned char sink, type;
775
776 sink = *path & (~SPLIT_PATH);
777 if (sink != E2SINK_MAX) {
778 snd_printdd("alloc path 0x%x->0x%x\n", source, sink);
779 SEND_PSEL(cif, source, sink);
780 source = lbusin2out[sink][0];
781 type = lbusin2out[sink][1];
782 if (type == LS_MIXER_IN) {
783 if (mixer)
784 *mixer = sink - DIGITAL_MIXER_IN0;
785 }
786 if (type == LS_SRC_DECIMATORM ||
787 type == LS_SRC_DECIMATOR ||
788 type == LS_SRC_INTERPOLATORM ||
789 type == LS_SRC_INTERPOLATOR) {
790 if (s) {
791 if (s[0] != 0xff)
792 s[1] = sink;
793 else
794 s[0] = sink;
795 }
796 }
797 }
798 if (*path++ & SPLIT_PATH) {
799 unsigned char *npath = path;
800
801 while (*npath != 0xff)
802 npath++;
803 alloclbuspath(cif, source + 1, ++npath, mixer, s);
804 }
805 }
806}
807
808static void
809freelbuspath(struct cmdif *cif, unsigned char source, unsigned char *path)
810{
811 while (*path != 0xff) {
812 unsigned char sink;
813
814 sink = *path & (~SPLIT_PATH);
815 if (sink != E2SINK_MAX) {
816 snd_printdd("free path 0x%x->0x%x\n", source, sink);
817 SEND_PCLR(cif, source, sink);
818 source = lbusin2out[sink][0];
819 }
820 if (*path++ & SPLIT_PATH) {
821 unsigned char *npath = path;
822
823 while (*npath != 0xff)
824 npath++;
825 freelbuspath(cif, source + 1, ++npath);
826 }
827 }
828}
829
830static int writearm(struct cmdif *cif, u32 addr, u32 data, u32 mask)
831{
832 union cmdret rptr = CMDRET_ZERO;
833 unsigned int i = MAX_WRITE_RETRY;
834 int flag = 1;
835
836 SEND_RMEM(cif, 0x02, addr, &rptr);
837 rptr.retlongs[0] &= (~mask);
838
839 while (--i) {
840 SEND_SMEM(cif, 0x01, addr);
841 SEND_WMEM(cif, 0x02, (rptr.retlongs[0] | data));
842 SEND_RMEM(cif, 0x02, addr, &rptr);
843 if ((rptr.retlongs[0] & data) == data) {
844 flag = 0;
845 break;
846 } else
847 rptr.retlongs[0] &= ~mask;
848 }
849 snd_printdd("send arm 0x%x 0x%x 0x%x return %d\n", addr, data, mask,
850 flag);
851 return flag;
852}
853
854static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
855 union cmdret *ret)
856{
857 int i, j;
858 int err;
859 unsigned int time = 0;
860 unsigned long irqflags;
861 struct riptideport *hwport;
862 struct cmdport *cmdport = NULL;
863
864 snd_assert(cif, return -EINVAL);
865
866 hwport = cif->hwport;
867 if (cif->errcnt > MAX_ERROR_COUNT) {
868 if (cif->is_reset) {
869 snd_printk(KERN_ERR
870 "Riptide: Too many failed cmds, reinitializing\n");
871 if (riptide_reset(cif, NULL) == 0) {
872 cif->errcnt = 0;
873 return -EIO;
874 }
875 }
876 snd_printk(KERN_ERR "Riptide: Initialization failed.\n");
877 return -EINVAL;
878 }
879 if (ret) {
880 ret->retlongs[0] = 0;
881 ret->retlongs[1] = 0;
882 }
883 i = 0;
884 spin_lock_irqsave(&cif->lock, irqflags);
885 while (i++ < CMDIF_TIMEOUT && !IS_READY(cif->hwport))
886 udelay(10);
887 if (i >= CMDIF_TIMEOUT) {
888 err = -EBUSY;
889 goto errout;
890 }
891
892 err = 0;
893 for (j = 0, time = 0; time < CMDIF_TIMEOUT; j++, time += 2) {
894 cmdport = &(hwport->port[j % 2]);
895 if (IS_DATF(cmdport)) { /* free pending data */
896 READ_PORT_ULONG(cmdport->data1);
897 READ_PORT_ULONG(cmdport->data2);
898 }
899 if (IS_CMDE(cmdport)) {
900 if (flags & PARM) /* put data */
901 WRITE_PORT_ULONG(cmdport->data2, parm);
902 WRITE_PORT_ULONG(cmdport->data1, cmd); /* write cmd */
903 if ((flags & RESP) && ret) {
904 while (!IS_DATF(cmdport) &&
905 time++ < CMDIF_TIMEOUT)
906 udelay(10);
907 if (time < CMDIF_TIMEOUT) { /* read response */
908 ret->retlongs[0] =
909 READ_PORT_ULONG(cmdport->data1);
910 ret->retlongs[1] =
911 READ_PORT_ULONG(cmdport->data2);
912 } else {
913 err = -ENOSYS;
914 goto errout;
915 }
916 }
917 break;
918 }
919 udelay(20);
920 }
921 if (time == CMDIF_TIMEOUT) {
922 err = -ENODATA;
923 goto errout;
924 }
925 spin_unlock_irqrestore(&cif->lock, irqflags);
926
927 cif->cmdcnt++; /* update command statistics */
928 cif->cmdtime += time;
929 if (time > cif->cmdtimemax)
930 cif->cmdtimemax = time;
931 if (time < cif->cmdtimemin)
932 cif->cmdtimemin = time;
933 if ((cif->cmdcnt) % 1000 == 0)
934 snd_printdd
935 ("send cmd %d time: %d mintime: %d maxtime %d err: %d\n",
936 cif->cmdcnt, cif->cmdtime, cif->cmdtimemin,
937 cif->cmdtimemax, cif->errcnt);
938 return 0;
939
940 errout:
941 cif->errcnt++;
942 spin_unlock_irqrestore(&cif->lock, irqflags);
943 snd_printdd
944 ("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",
945 cif->cmdcnt, (int)((void *)&(cmdport->stat) - (void *)hwport),
946 flags, cmd, parm, ret ? ret->retlongs[0] : 0,
947 ret ? ret->retlongs[1] : 0, IS_CMDE(cmdport), IS_DATF(cmdport),
948 err);
949 return err;
950}
951
952static int
953setmixer(struct cmdif *cif, short num, unsigned short rval, unsigned short lval)
954{
955 union cmdret rptr = CMDRET_ZERO;
956 int i = 0;
957
958 snd_printdd("sent mixer %d: 0x%d 0x%d\n", num, rval, lval);
959 do {
960 SEND_SDGV(cif, num, num, rval, lval);
961 SEND_RDGV(cif, num, num, &rptr);
962 if (rptr.retwords[0] == lval && rptr.retwords[1] == rval)
963 return 0;
964 } while (i++ < MAX_WRITE_RETRY);
965 snd_printdd("sent mixer failed\n");
966 return -EIO;
967}
968
969static int getpaths(struct cmdif *cif, unsigned char *o)
970{
971 unsigned char src[E2SINK_MAX];
972 unsigned char sink[E2SINK_MAX];
973 int i, j = 0;
974
975 for (i = 0; i < E2SINK_MAX; i++) {
976 getsourcesink(cif, i, i, &src[i], &sink[i]);
977 if (sink[i] < E2SINK_MAX) {
978 o[j++] = sink[i];
979 o[j++] = i;
980 }
981 }
982 return j;
983}
984
985static int
986getsourcesink(struct cmdif *cif, unsigned char source, unsigned char sink,
987 unsigned char *a, unsigned char *b)
988{
989 union cmdret rptr = CMDRET_ZERO;
990
991 if (SEND_RSSV(cif, source, sink, &rptr) &&
992 SEND_RSSV(cif, source, sink, &rptr))
993 return -EIO;
994 *a = rptr.retbytes[0];
995 *b = rptr.retbytes[1];
996 snd_printdd("getsourcesink 0x%x 0x%x\n", *a, *b);
997 return 0;
998}
999
1000static int
1001getsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int *rate)
1002{
1003 unsigned char *s;
1004 unsigned int p[2] = { 0, 0 };
1005 int i;
1006 union cmdret rptr = CMDRET_ZERO;
1007
1008 s = intdec;
1009 for (i = 0; i < 2; i++) {
1010 if (*s != 0xff) {
1011 if (SEND_RSRC(cif, *s, &rptr) &&
1012 SEND_RSRC(cif, *s, &rptr))
1013 return -EIO;
1014 p[i] += rptr.retwords[1];
1015 p[i] *= rptr.retwords[2];
1016 p[i] += rptr.retwords[3];
1017 p[i] /= 65536;
1018 }
1019 s++;
1020 }
1021 if (p[0]) {
1022 if (p[1] != p[0])
1023 snd_printdd("rates differ %d %d\n", p[0], p[1]);
1024 *rate = (unsigned int)p[0];
1025 } else
1026 *rate = (unsigned int)p[1];
1027 snd_printdd("getsampleformat %d %d %d\n", intdec[0], intdec[1], *rate);
1028 return 0;
1029}
1030
1031static int
1032setsampleformat(struct cmdif *cif,
1033 unsigned char mixer, unsigned char id,
1034 unsigned char channels, unsigned char format)
1035{
1036 unsigned char w, ch, sig, order;
1037
1038 snd_printdd
1039 ("setsampleformat mixer: %d id: %d channels: %d format: %d\n",
1040 mixer, id, channels, format);
1041 ch = channels == 1;
1042 w = snd_pcm_format_width(format) == 8;
1043 sig = snd_pcm_format_unsigned(format) != 0;
1044 order = snd_pcm_format_big_endian(format) != 0;
1045
1046 if (SEND_SETF(cif, mixer, w, ch, order, sig, id) &&
1047 SEND_SETF(cif, mixer, w, ch, order, sig, id)) {
1048 snd_printdd("setsampleformat failed\n");
1049 return -EIO;
1050 }
1051 return 0;
1052}
1053
1054static int
1055setsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int rate)
1056{
1057 u32 D, M, N;
1058 union cmdret rptr = CMDRET_ZERO;
1059 int i;
1060
1061 snd_printdd("setsamplerate intdec: %d,%d rate: %d\n", intdec[0],
1062 intdec[1], rate);
1063 D = 48000;
1064 M = ((rate == 48000) ? 47999 : rate) * 65536;
1065 N = M % D;
1066 M /= D;
1067 for (i = 0; i < 2; i++) {
1068 if (*intdec != 0xff) {
1069 do {
1070 SEND_SSRC(cif, *intdec, D, M, N);
1071 SEND_RSRC(cif, *intdec, &rptr);
1072 } while (rptr.retwords[1] != D &&
1073 rptr.retwords[2] != M &&
1074 rptr.retwords[3] != N &&
1075 i++ < MAX_WRITE_RETRY);
1076 if (i == MAX_WRITE_RETRY) {
1077 snd_printdd("sent samplerate %d: %d failed\n",
1078 *intdec, rate);
1079 return -EIO;
1080 }
1081 }
1082 intdec++;
1083 }
1084 return 0;
1085}
1086
1087static int
1088getmixer(struct cmdif *cif, short num, unsigned short *rval,
1089 unsigned short *lval)
1090{
1091 union cmdret rptr = CMDRET_ZERO;
1092
1093 if (SEND_RDGV(cif, num, num, &rptr) && SEND_RDGV(cif, num, num, &rptr))
1094 return -EIO;
1095 *rval = rptr.retwords[0];
1096 *lval = rptr.retwords[1];
1097 snd_printdd("got mixer %d: 0x%d 0x%d\n", num, *rval, *lval);
1098 return 0;
1099}
1100
1101static void riptide_handleirq(unsigned long dev_id)
1102{
1103 struct snd_riptide *chip = (void *)dev_id;
1104 struct cmdif *cif = chip->cif;
1105 struct snd_pcm_substream *substream[PLAYBACK_SUBSTREAMS + 1];
1106 struct snd_pcm_runtime *runtime;
1107 struct pcmhw *data = NULL;
1108 unsigned int pos, period_bytes;
1109 struct sgd *c;
1110 int i, j;
1111 unsigned int flag;
1112
1113 if (!cif)
1114 return;
1115
1116 for (i = 0; i < PLAYBACK_SUBSTREAMS; i++)
1117 substream[i] = chip->playback_substream[i];
1118 substream[i] = chip->capture_substream;
1119 for (i = 0; i < PLAYBACK_SUBSTREAMS + 1; i++) {
1120 if (substream[i] &&
1121 (runtime = substream[i]->runtime) &&
1122 (data = runtime->private_data) && data->state != ST_STOP) {
1123 pos = 0;
1124 for (j = 0; j < data->pages; j++) {
1125 c = &data->sgdbuf[j];
1126 flag = le32_to_cpu(c->dwStat_Ctl);
1127 if (flag & EOB_STATUS)
1128 pos += le32_to_cpu(c->dwSegLen);
1129 if (flag & EOC_STATUS)
1130 pos += le32_to_cpu(c->dwSegLen);
1131 if ((flag & EOS_STATUS)
1132 && (data->state == ST_PLAY)) {
1133 data->state = ST_STOP;
1134 snd_printk(KERN_ERR
1135 "Riptide: DMA stopped unexpectedly\n");
1136 }
1137 c->dwStat_Ctl =
1138 cpu_to_le32(flag &
1139 ~(EOS_STATUS | EOB_STATUS |
1140 EOC_STATUS));
1141 }
1142 data->pointer += pos;
1143 pos += data->oldpos;
1144 if (data->state != ST_STOP) {
1145 period_bytes =
1146 frames_to_bytes(runtime,
1147 runtime->period_size);
1148 snd_printdd
1149 ("interrupt 0x%x after 0x%lx of 0x%lx frames in period\n",
1150 READ_AUDIO_STATUS(cif->hwport),
1151 bytes_to_frames(runtime, pos),
1152 runtime->period_size);
1153 j = 0;
1154 if (pos >= period_bytes) {
1155 j++;
1156 while (pos >= period_bytes)
1157 pos -= period_bytes;
1158 }
1159 data->oldpos = pos;
1160 if (j > 0)
1161 snd_pcm_period_elapsed(substream[i]);
1162 }
1163 }
1164 }
1165}
1166
1167#ifdef CONFIG_PM
1168static int riptide_suspend(struct pci_dev *pci, pm_message_t state)
1169{
1170 struct snd_card *card = pci_get_drvdata(pci);
1171 struct snd_riptide *chip = card->private_data;
1172
1173 chip->in_suspend = 1;
1174 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1175 snd_pcm_suspend_all(chip->pcm);
1176 snd_ac97_suspend(chip->ac97);
1177 pci_set_power_state(pci, PCI_D3hot);
1178 pci_disable_device(pci);
1179 pci_save_state(pci);
1180 return 0;
1181}
1182
1183static int riptide_resume(struct pci_dev *pci)
1184{
1185 struct snd_card *card = pci_get_drvdata(pci);
1186 struct snd_riptide *chip = card->private_data;
1187
1188 pci_restore_state(pci);
1189 pci_enable_device(pci);
1190 pci_set_power_state(pci, PCI_D0);
1191 pci_set_master(pci);
1192 snd_riptide_initialize(chip);
1193 snd_ac97_resume(chip->ac97);
1194 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1195 chip->in_suspend = 0;
1196 return 0;
1197}
1198#endif
1199
1200static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip)
1201{
1202 int timeout, tries;
1203 union cmdret rptr = CMDRET_ZERO;
1204 union firmware_version firmware;
1205 int i, j, err, has_firmware;
1206
1207 if (!cif)
1208 return -EINVAL;
1209
1210 cif->cmdcnt = 0;
1211 cif->cmdtime = 0;
1212 cif->cmdtimemax = 0;
1213 cif->cmdtimemin = 0xffffffff;
1214 cif->errcnt = 0;
1215 cif->is_reset = 0;
1216
1217 tries = RESET_TRIES;
1218 has_firmware = 0;
1219 while (has_firmware == 0 && tries-- > 0) {
1220 for (i = 0; i < 2; i++) {
1221 WRITE_PORT_ULONG(cif->hwport->port[i].data1, 0);
1222 WRITE_PORT_ULONG(cif->hwport->port[i].data2, 0);
1223 }
1224 SET_GRESET(cif->hwport);
1225 udelay(100);
1226 UNSET_GRESET(cif->hwport);
1227 udelay(100);
1228
1229 for (timeout = 100000; --timeout; udelay(10)) {
1230 if (IS_READY(cif->hwport) && !IS_GERR(cif->hwport))
1231 break;
1232 }
1233 if (timeout == 0) {
1234 snd_printk(KERN_ERR
1235 "Riptide: device not ready, audio status: 0x%x ready: %d gerr: %d\n",
1236 READ_AUDIO_STATUS(cif->hwport),
1237 IS_READY(cif->hwport), IS_GERR(cif->hwport));
1238 return -EIO;
1239 } else {
1240 snd_printdd
1241 ("Riptide: audio status: 0x%x ready: %d gerr: %d\n",
1242 READ_AUDIO_STATUS(cif->hwport),
1243 IS_READY(cif->hwport), IS_GERR(cif->hwport));
1244 }
1245
1246 SEND_GETV(cif, &rptr);
1247 for (i = 0; i < 4; i++)
1248 firmware.ret.retwords[i] = rptr.retwords[i];
1249
1250 snd_printdd
1251 ("Firmware version: ASIC: %d CODEC %d AUXDSP %d PROG %d\n",
1252 firmware.firmware.ASIC, firmware.firmware.CODEC,
1253 firmware.firmware.AUXDSP, firmware.firmware.PROG);
1254
1255 for (j = 0; j < FIRMWARE_VERSIONS; j++) {
1256 has_firmware = 1;
1257 for (i = 0; i < 4; i++) {
1258 if (firmware_versions[j].ret.retwords[i] !=
1259 firmware.ret.retwords[i])
1260 has_firmware = 0;
1261 }
1262 if (has_firmware)
1263 break;
1264 }
1265
1266 if (chip != NULL && has_firmware == 0) {
1267 snd_printdd("Writing Firmware\n");
1268 if (!chip->fw_entry) {
1269 if ((err =
1270 request_firmware(&chip->fw_entry,
1271 "riptide.hex",
1272 &chip->pci->dev)) != 0) {
1273 snd_printk(KERN_ERR
1274 "Riptide: Firmware not available %d\n",
1275 err);
1276 return -EIO;
1277 }
1278 }
1279 err = loadfirmware(cif, chip->fw_entry->data,
1280 chip->fw_entry->size);
1281 if (err)
1282 snd_printk(KERN_ERR
1283 "Riptide: Could not load firmware %d\n",
1284 err);
1285 }
1286 }
1287
1288 SEND_SACR(cif, 0, AC97_RESET);
1289 SEND_RACR(cif, AC97_RESET, &rptr);
1290 snd_printdd("AC97: 0x%x 0x%x\n", rptr.retlongs[0], rptr.retlongs[1]);
1291
1292 SEND_PLST(cif, 0);
1293 SEND_SLST(cif, 0);
1294 SEND_DLST(cif, 0);
1295 SEND_ALST(cif, 0);
1296 SEND_KDMA(cif);
1297
1298 writearm(cif, 0x301F8, 1, 1);
1299 writearm(cif, 0x301F4, 1, 1);
1300
1301 SEND_LSEL(cif, MODEM_CMD, 0, 0, MODEM_INTDEC, MODEM_MERGER,
1302 MODEM_SPLITTER, MODEM_MIXER);
1303 setmixer(cif, MODEM_MIXER, 0x7fff, 0x7fff);
1304 alloclbuspath(cif, ARM2LBUS_FIFO13, lbus_play_modem, NULL, NULL);
1305
1306 SEND_LSEL(cif, FM_CMD, 0, 0, FM_INTDEC, FM_MERGER, FM_SPLITTER,
1307 FM_MIXER);
1308 setmixer(cif, FM_MIXER, 0x7fff, 0x7fff);
1309 writearm(cif, 0x30648 + FM_MIXER * 4, 0x01, 0x00000005);
1310 writearm(cif, 0x301A8, 0x02, 0x00000002);
1311 writearm(cif, 0x30264, 0x08, 0xffffffff);
1312 alloclbuspath(cif, OPL3_SAMPLE, lbus_play_opl3, NULL, NULL);
1313
1314 SEND_SSRC(cif, I2S_INTDEC, 48000,
1315 ((u32) I2S_RATE * 65536) / 48000,
1316 ((u32) I2S_RATE * 65536) % 48000);
1317 SEND_LSEL(cif, I2S_CMD0, 0, 0, I2S_INTDEC, I2S_MERGER, I2S_SPLITTER,
1318 I2S_MIXER);
1319 SEND_SI2S(cif, 1);
1320 alloclbuspath(cif, ARM2LBUS_FIFO0, lbus_play_i2s, NULL, NULL);
1321 alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_out, NULL, NULL);
1322 alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_outhp, NULL, NULL);
1323
1324 SET_AIACK(cif->hwport);
1325 SET_AIE(cif->hwport);
1326 SET_AIACK(cif->hwport);
1327 cif->is_reset = 1;
1328 if (chip) {
1329 for (i = 0; i < 4; i++)
1330 chip->firmware.ret.retwords[i] =
1331 firmware.ret.retwords[i];
1332 }
1333
1334 return 0;
1335}
1336
1337static struct snd_pcm_hardware snd_riptide_playback = {
1338 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1339 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1340 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1341 .formats =
1342 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1343 | SNDRV_PCM_FMTBIT_U16_LE,
1344 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1345 .rate_min = 5500,
1346 .rate_max = 48000,
1347 .channels_min = 1,
1348 .channels_max = 2,
1349 .buffer_bytes_max = (64 * 1024),
1350 .period_bytes_min = PAGE_SIZE >> 1,
1351 .period_bytes_max = PAGE_SIZE << 8,
1352 .periods_min = 2,
1353 .periods_max = 64,
1354 .fifo_size = 0,
1355};
1356static struct snd_pcm_hardware snd_riptide_capture = {
1357 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1358 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1359 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1360 .formats =
1361 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1362 | SNDRV_PCM_FMTBIT_U16_LE,
1363 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1364 .rate_min = 5500,
1365 .rate_max = 48000,
1366 .channels_min = 1,
1367 .channels_max = 2,
1368 .buffer_bytes_max = (64 * 1024),
1369 .period_bytes_min = PAGE_SIZE >> 1,
1370 .period_bytes_max = PAGE_SIZE << 3,
1371 .periods_min = 2,
1372 .periods_max = 64,
1373 .fifo_size = 0,
1374};
1375
1376static snd_pcm_uframes_t snd_riptide_pointer(struct snd_pcm_substream
1377 *substream)
1378{
1379 struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1380 struct snd_pcm_runtime *runtime = substream->runtime;
1381 struct pcmhw *data = get_pcmhwdev(substream);
1382 struct cmdif *cif = chip->cif;
1383 union cmdret rptr = CMDRET_ZERO;
1384 snd_pcm_uframes_t ret;
1385
1386 SEND_GPOS(cif, 0, data->id, &rptr);
1387 if (data->size && runtime->period_size) {
1388 snd_printdd
1389 ("pointer stream %d position 0x%x(0x%x in buffer) bytes 0x%lx(0x%lx in period) frames\n",
1390 data->id, rptr.retlongs[1], rptr.retlongs[1] % data->size,
1391 bytes_to_frames(runtime, rptr.retlongs[1]),
1392 bytes_to_frames(runtime,
1393 rptr.retlongs[1]) % runtime->period_size);
1394 if (rptr.retlongs[1] > data->pointer)
1395 ret =
1396 bytes_to_frames(runtime,
1397 rptr.retlongs[1] % data->size);
1398 else
1399 ret =
1400 bytes_to_frames(runtime,
1401 data->pointer % data->size);
1402 } else {
1403 snd_printdd("stream not started or strange parms (%d %ld)\n",
1404 data->size, runtime->period_size);
1405 ret = bytes_to_frames(runtime, 0);
1406 }
1407 return ret;
1408}
1409
1410static int snd_riptide_trigger(struct snd_pcm_substream *substream, int cmd)
1411{
1412 int i, j;
1413 struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1414 struct pcmhw *data = get_pcmhwdev(substream);
1415 struct cmdif *cif = chip->cif;
1416 union cmdret rptr = CMDRET_ZERO;
1417
1418 spin_lock(&chip->lock);
1419 switch (cmd) {
1420 case SNDRV_PCM_TRIGGER_START:
1421 case SNDRV_PCM_TRIGGER_RESUME:
1422 if (!(data->state & ST_PLAY)) {
1423 SEND_SSTR(cif, data->id, data->sgdlist.addr);
1424 SET_AIE(cif->hwport);
1425 data->state = ST_PLAY;
1426 if (data->mixer != 0xff)
1427 setmixer(cif, data->mixer, 0x7fff, 0x7fff);
1428 chip->openstreams++;
1429 data->oldpos = 0;
1430 data->pointer = 0;
1431 }
1432 break;
1433 case SNDRV_PCM_TRIGGER_STOP:
1434 case SNDRV_PCM_TRIGGER_SUSPEND:
1435 if (data->mixer != 0xff)
1436 setmixer(cif, data->mixer, 0, 0);
1437 setmixer(cif, data->mixer, 0, 0);
1438 SEND_KSTR(cif, data->id);
1439 data->state = ST_STOP;
1440 chip->openstreams--;
1441 j = 0;
1442 do {
1443 i = rptr.retlongs[1];
1444 SEND_GPOS(cif, 0, data->id, &rptr);
1445 udelay(1);
1446 } while (i != rptr.retlongs[1] && j++ < MAX_WRITE_RETRY);
1447 if (j >= MAX_WRITE_RETRY)
1448 snd_printk(KERN_ERR "Riptide: Could not stop stream!");
1449 break;
1450 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1451 if (!(data->state & ST_PAUSE)) {
1452 SEND_PSTR(cif, data->id);
1453 data->state |= ST_PAUSE;
1454 chip->openstreams--;
1455 }
1456 break;
1457 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1458 if (data->state & ST_PAUSE) {
1459 SEND_SSTR(cif, data->id, data->sgdlist.addr);
1460 data->state &= ~ST_PAUSE;
1461 chip->openstreams++;
1462 }
1463 break;
1464 default:
1465 spin_unlock(&chip->lock);
1466 return -EINVAL;
1467 }
1468 spin_unlock(&chip->lock);
1469 return 0;
1470}
1471
1472static int snd_riptide_prepare(struct snd_pcm_substream *substream)
1473{
1474 struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1475 struct snd_pcm_runtime *runtime = substream->runtime;
1476 struct snd_sg_buf *sgbuf = snd_pcm_substream_sgbuf(substream);
1477 struct pcmhw *data = get_pcmhwdev(substream);
1478 struct cmdif *cif = chip->cif;
1479 unsigned char *lbuspath = NULL;
1480 unsigned int rate, channels;
1481 int err = 0;
1482 snd_pcm_format_t format;
1483
1484 snd_assert(cif && data, return -EINVAL);
1485
1486 snd_printdd("prepare id %d ch: %d f:0x%x r:%d\n", data->id,
1487 runtime->channels, runtime->format, runtime->rate);
1488
1489 spin_lock_irq(&chip->lock);
1490 channels = runtime->channels;
1491 format = runtime->format;
1492 rate = runtime->rate;
1493 switch (channels) {
1494 case 1:
1495 if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1496 lbuspath = data->paths.noconv;
1497 else
1498 lbuspath = data->paths.mono;
1499 break;
1500 case 2:
1501 if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1502 lbuspath = data->paths.noconv;
1503 else
1504 lbuspath = data->paths.stereo;
1505 break;
1506 }
1507 snd_printdd("use sgdlist at 0x%p and buffer at 0x%p\n",
1508 data->sgdlist.area, sgbuf);
1509 if (data->sgdlist.area && sgbuf) {
1510 unsigned int i, j, size, pages, f, pt, period;
1511 struct sgd *c, *p = NULL;
1512
1513 size = frames_to_bytes(runtime, runtime->buffer_size);
1514 period = frames_to_bytes(runtime, runtime->period_size);
1515 f = PAGE_SIZE;
1516 while ((size + (f >> 1) - 1) <= (f << 7) && (f << 1) > period)
1517 f = f >> 1;
1518 pages = (size + f - 1) / f;
1519 data->size = size;
1520 data->pages = pages;
1521 snd_printdd
1522 ("create sgd size: 0x%x pages %d of size 0x%x for period 0x%x\n",
1523 size, pages, f, period);
1524 pt = 0;
1525 j = 0;
1526 for (i = 0; i < pages; i++) {
1527 c = &data->sgdbuf[i];
1528 if (p)
1529 p->dwNextLink = cpu_to_le32(data->sgdlist.addr +
1530 (i *
1531 sizeof(struct
1532 sgd)));
1533 c->dwNextLink = cpu_to_le32(data->sgdlist.addr);
1534 c->dwSegPtrPhys =
1535 cpu_to_le32(sgbuf->table[j].addr + pt);
1536 pt = (pt + f) % PAGE_SIZE;
1537 if (pt == 0)
1538 j++;
1539 c->dwSegLen = cpu_to_le32(f);
1540 c->dwStat_Ctl =
1541 cpu_to_le32(IEOB_ENABLE | IEOS_ENABLE |
1542 IEOC_ENABLE);
1543 p = c;
1544 size -= f;
1545 }
1546 data->sgdbuf[i].dwSegLen = cpu_to_le32(size);
1547 }
1548 if (lbuspath && lbuspath != data->lbuspath) {
1549 if (data->lbuspath)
1550 freelbuspath(cif, data->source, data->lbuspath);
1551 alloclbuspath(cif, data->source, lbuspath,
1552 &data->mixer, data->intdec);
1553 data->lbuspath = lbuspath;
1554 data->rate = 0;
1555 }
1556 if (data->rate != rate || data->format != format ||
1557 data->channels != channels) {
1558 data->rate = rate;
1559 data->format = format;
1560 data->channels = channels;
1561 if (setsampleformat
1562 (cif, data->mixer, data->id, channels, format)
1563 || setsamplerate(cif, data->intdec, rate))
1564 err = -EIO;
1565 }
1566 spin_unlock_irq(&chip->lock);
1567 return err;
1568}
1569
1570static int
1571snd_riptide_hw_params(struct snd_pcm_substream *substream,
1572 struct snd_pcm_hw_params *hw_params)
1573{
1574 struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1575 struct pcmhw *data = get_pcmhwdev(substream);
1576 struct snd_dma_buffer *sgdlist = &data->sgdlist;
1577 int err;
1578
1579 snd_printdd("hw params id %d (sgdlist: 0x%p 0x%lx %d)\n", data->id,
1580 sgdlist->area, (unsigned long)sgdlist->addr,
1581 (int)sgdlist->bytes);
1582 if (sgdlist->area)
1583 snd_dma_free_pages(sgdlist);
1584 if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
1585 snd_dma_pci_data(chip->pci),
1586 sizeof(struct sgd) * (DESC_MAX_MASK + 1),
1587 sgdlist)) < 0) {
1588 snd_printk(KERN_ERR "Riptide: failed to alloc %d dma bytes\n",
1589 (int)sizeof(struct sgd) * (DESC_MAX_MASK + 1));
1590 return err;
1591 }
1592 data->sgdbuf = (struct sgd *)sgdlist->area;
1593 return snd_pcm_lib_malloc_pages(substream,
1594 params_buffer_bytes(hw_params));
1595}
1596
1597static int snd_riptide_hw_free(struct snd_pcm_substream *substream)
1598{
1599 struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1600 struct pcmhw *data = get_pcmhwdev(substream);
1601 struct cmdif *cif = chip->cif;
1602
1603 if (cif && data) {
1604 if (data->lbuspath)
1605 freelbuspath(cif, data->source, data->lbuspath);
1606 data->lbuspath = NULL;
1607 data->source = 0xff;
1608 data->intdec[0] = 0xff;
1609 data->intdec[1] = 0xff;
1610
1611 if (data->sgdlist.area) {
1612 snd_dma_free_pages(&data->sgdlist);
1613 data->sgdlist.area = NULL;
1614 }
1615 }
1616 return snd_pcm_lib_free_pages(substream);
1617}
1618
1619static int snd_riptide_playback_open(struct snd_pcm_substream *substream)
1620{
1621 struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1622 struct snd_pcm_runtime *runtime = substream->runtime;
1623 struct pcmhw *data;
1624 int index = substream->number;
1625
1626 chip->playback_substream[index] = substream;
1627 runtime->hw = snd_riptide_playback;
1628 data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1629 data->paths = lbus_play_paths[index];
1630 data->id = play_ids[index];
1631 data->source = play_sources[index];
1632 data->intdec[0] = 0xff;
1633 data->intdec[1] = 0xff;
1634 data->state = ST_STOP;
1635 runtime->private_data = data;
1636 return snd_pcm_hw_constraint_integer(runtime,
1637 SNDRV_PCM_HW_PARAM_PERIODS);
1638}
1639
1640static int snd_riptide_capture_open(struct snd_pcm_substream *substream)
1641{
1642 struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1643 struct snd_pcm_runtime *runtime = substream->runtime;
1644 struct pcmhw *data;
1645
1646 chip->capture_substream = substream;
1647 runtime->hw = snd_riptide_capture;
1648 data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1649 data->paths = lbus_rec_path;
1650 data->id = PADC;
1651 data->source = ACLNK2PADC;
1652 data->intdec[0] = 0xff;
1653 data->intdec[1] = 0xff;
1654 data->state = ST_STOP;
1655 runtime->private_data = data;
1656 return snd_pcm_hw_constraint_integer(runtime,
1657 SNDRV_PCM_HW_PARAM_PERIODS);
1658}
1659
1660static int snd_riptide_playback_close(struct snd_pcm_substream *substream)
1661{
1662 struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1663 struct pcmhw *data = get_pcmhwdev(substream);
1664 int index = substream->number;
1665
1666 substream->runtime->private_data = NULL;
1667 chip->playback_substream[index] = NULL;
1668 kfree(data);
1669 return 0;
1670}
1671
1672static int snd_riptide_capture_close(struct snd_pcm_substream *substream)
1673{
1674 struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1675 struct pcmhw *data = get_pcmhwdev(substream);
1676
1677 substream->runtime->private_data = NULL;
1678 chip->capture_substream = NULL;
1679 kfree(data);
1680 return 0;
1681}
1682
1683static struct snd_pcm_ops snd_riptide_playback_ops = {
1684 .open = snd_riptide_playback_open,
1685 .close = snd_riptide_playback_close,
1686 .ioctl = snd_pcm_lib_ioctl,
1687 .hw_params = snd_riptide_hw_params,
1688 .hw_free = snd_riptide_hw_free,
1689 .prepare = snd_riptide_prepare,
1690 .page = snd_pcm_sgbuf_ops_page,
1691 .trigger = snd_riptide_trigger,
1692 .pointer = snd_riptide_pointer,
1693};
1694static struct snd_pcm_ops snd_riptide_capture_ops = {
1695 .open = snd_riptide_capture_open,
1696 .close = snd_riptide_capture_close,
1697 .ioctl = snd_pcm_lib_ioctl,
1698 .hw_params = snd_riptide_hw_params,
1699 .hw_free = snd_riptide_hw_free,
1700 .prepare = snd_riptide_prepare,
1701 .page = snd_pcm_sgbuf_ops_page,
1702 .trigger = snd_riptide_trigger,
1703 .pointer = snd_riptide_pointer,
1704};
1705
1706static int __devinit
1707snd_riptide_pcm(struct snd_riptide *chip, int device, struct snd_pcm **rpcm)
1708{
1709 struct snd_pcm *pcm;
1710 int err;
1711
1712 if (rpcm)
1713 *rpcm = NULL;
1714 if ((err =
1715 snd_pcm_new(chip->card, "RIPTIDE", device, PLAYBACK_SUBSTREAMS, 1,
1716 &pcm)) < 0)
1717 return err;
1718 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1719 &snd_riptide_playback_ops);
1720 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1721 &snd_riptide_capture_ops);
1722 pcm->private_data = chip;
1723 pcm->info_flags = 0;
1724 strcpy(pcm->name, "RIPTIDE");
1725 chip->pcm = pcm;
1726 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1727 snd_dma_pci_data(chip->pci),
1728 64 * 1024, 128 * 1024);
1729 if (rpcm)
1730 *rpcm = pcm;
1731 return 0;
1732}
1733
1734static irqreturn_t
1735snd_riptide_interrupt(int irq, void *dev_id, struct pt_regs *regs)
1736{
1737 struct snd_riptide *chip = dev_id;
1738 struct cmdif *cif = chip->cif;
1739
1740 if (cif) {
1741 chip->received_irqs++;
1742 if (IS_EOBIRQ(cif->hwport) || IS_EOSIRQ(cif->hwport) ||
1743 IS_EOCIRQ(cif->hwport)) {
1744 chip->handled_irqs++;
1745 tasklet_hi_schedule(&chip->riptide_tq);
1746 }
1747 if (chip->rmidi && IS_MPUIRQ(cif->hwport)) {
1748 chip->handled_irqs++;
1749 snd_mpu401_uart_interrupt(irq,
1750 chip->rmidi->private_data,
1751 regs);
1752 }
1753 SET_AIACK(cif->hwport);
1754 }
1755 return IRQ_HANDLED;
1756}
1757
1758static void
1759snd_riptide_codec_write(struct snd_ac97 *ac97, unsigned short reg,
1760 unsigned short val)
1761{
1762 struct snd_riptide *chip = ac97->private_data;
1763 struct cmdif *cif = chip->cif;
1764 union cmdret rptr = CMDRET_ZERO;
1765 int i = 0;
1766
1767 snd_assert(cif, return);
1768
1769 snd_printdd("Write AC97 reg 0x%x 0x%x\n", reg, val);
1770 do {
1771 SEND_SACR(cif, val, reg);
1772 SEND_RACR(cif, reg, &rptr);
1773 } while (rptr.retwords[1] != val && i++ < MAX_WRITE_RETRY);
1774 if (i == MAX_WRITE_RETRY)
1775 snd_printdd("Write AC97 reg failed\n");
1776}
1777
1778static unsigned short snd_riptide_codec_read(struct snd_ac97 *ac97,
1779 unsigned short reg)
1780{
1781 struct snd_riptide *chip = ac97->private_data;
1782 struct cmdif *cif = chip->cif;
1783 union cmdret rptr = CMDRET_ZERO;
1784
1785 snd_assert(cif, return 0);
1786
1787 if (SEND_RACR(cif, reg, &rptr) != 0)
1788 SEND_RACR(cif, reg, &rptr);
1789 snd_printdd("Read AC97 reg 0x%x got 0x%x\n", reg, rptr.retwords[1]);
1790 return rptr.retwords[1];
1791}
1792
1793static int snd_riptide_initialize(struct snd_riptide *chip)
1794{
1795 struct cmdif *cif;
1796 unsigned int device_id;
1797 int err;
1798
1799 snd_assert(chip, return -EINVAL);
1800
1801 cif = chip->cif;
1802 if (!cif) {
1803 if ((cif = kzalloc(sizeof(struct cmdif), GFP_KERNEL)) == NULL)
1804 return -ENOMEM;
1805 cif->hwport = (struct riptideport *)chip->port;
1806 spin_lock_init(&cif->lock);
1807 chip->cif = cif;
1808 }
1809 cif->is_reset = 0;
1810 if ((err = riptide_reset(cif, chip)) != 0)
1811 return err;
1812 device_id = chip->device_id;
1813 switch (device_id) {
1814 case 0x4310:
1815 case 0x4320:
1816 case 0x4330:
1817 snd_printdd("Modem enable?\n");
1818 SEND_SETDPLL(cif);
1819 break;
1820 }
1821 snd_printdd("Enabling MPU IRQs\n");
1822 if (chip->rmidi)
1823 SET_EMPUIRQ(cif->hwport);
1824 return err;
1825}
1826
1827static int snd_riptide_free(struct snd_riptide *chip)
1828{
1829 struct cmdif *cif;
1830
1831 snd_assert(chip, return 0);
1832
1833 if ((cif = chip->cif)) {
1834 SET_GRESET(cif->hwport);
1835 udelay(100);
1836 UNSET_GRESET(cif->hwport);
1837 kfree(chip->cif);
1838 }
1839 if (chip->fw_entry)
1840 release_firmware(chip->fw_entry);
1841 if (chip->res_port) {
1842 release_resource(chip->res_port);
1843 kfree_nocheck(chip->res_port);
1844 }
1845 if (chip->irq >= 0)
1846 free_irq(chip->irq, chip);
1847 kfree(chip);
1848 return 0;
1849}
1850
1851static int snd_riptide_dev_free(struct snd_device *device)
1852{
1853 struct snd_riptide *chip = device->device_data;
1854
1855 return snd_riptide_free(chip);
1856}
1857
1858static int __devinit
1859snd_riptide_create(struct snd_card *card, struct pci_dev *pci,
1860 struct snd_riptide **rchip)
1861{
1862 struct snd_riptide *chip;
1863 struct riptideport *hwport;
1864 int err;
1865 static struct snd_device_ops ops = {
1866 .dev_free = snd_riptide_dev_free,
1867 };
1868
1869 *rchip = NULL;
1870 if ((err = pci_enable_device(pci)) < 0)
1871 return err;
1872 if (!(chip = kzalloc(sizeof(struct snd_riptide), GFP_KERNEL)))
1873 return -ENOMEM;
1874
1875 spin_lock_init(&chip->lock);
1876 chip->card = card;
1877 chip->pci = pci;
1878 chip->irq = -1;
1879 chip->openstreams = 0;
1880 chip->port = pci_resource_start(pci, 0);
1881 chip->received_irqs = 0;
1882 chip->handled_irqs = 0;
1883 chip->cif = NULL;
1884 tasklet_init(&chip->riptide_tq, riptide_handleirq, (unsigned long)chip);
1885
1886 if ((chip->res_port =
1887 request_region(chip->port, 64, "RIPTIDE")) == NULL) {
1888 snd_printk(KERN_ERR
1889 "Riptide: unable to grab region 0x%lx-0x%lx\n",
1890 chip->port, chip->port + 64 - 1);
1891 snd_riptide_free(chip);
1892 return -EBUSY;
1893 }
1894 hwport = (struct riptideport *)chip->port;
1895 UNSET_AIE(hwport);
1896
1897 if (request_irq
1898 (pci->irq, snd_riptide_interrupt, SA_INTERRUPT | SA_SHIRQ,
1899 "RIPTIDE", chip)) {
1900 snd_printk(KERN_ERR "Riptide: unable to grab IRQ %d\n",
1901 pci->irq);
1902 snd_riptide_free(chip);
1903 return -EBUSY;
1904 }
1905 chip->irq = pci->irq;
1906 chip->device_id = pci->device;
1907 pci_set_master(pci);
1908 if ((err = snd_riptide_initialize(chip)) < 0) {
1909 snd_riptide_free(chip);
1910 return err;
1911 }
1912
1913 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1914 snd_riptide_free(chip);
1915 return err;
1916 }
1917
1918 *rchip = chip;
1919 return 0;
1920}
1921
1922static void
1923snd_riptide_proc_read(struct snd_info_entry *entry,
1924 struct snd_info_buffer *buffer)
1925{
1926 struct snd_riptide *chip = entry->private_data;
1927 struct pcmhw *data;
1928 int i;
1929 struct cmdif *cif = NULL;
1930 unsigned char p[256];
1931 unsigned short rval = 0, lval = 0;
1932 unsigned int rate;
1933
1934 if (!chip)
1935 return;
1936
1937 snd_iprintf(buffer, "%s\n\n", chip->card->longname);
1938 snd_iprintf(buffer, "Device ID: 0x%x\nReceived IRQs: (%ld)%ld\nPorts:",
1939 chip->device_id, chip->handled_irqs, chip->received_irqs);
1940 for (i = 0; i < 64; i += 4)
1941 snd_iprintf(buffer, "%c%02x: %08x",
1942 (i % 16) ? ' ' : '\n', i, inl(chip->port + i));
1943 if ((cif = chip->cif)) {
1944 snd_iprintf(buffer,
1945 "\nVersion: ASIC: %d CODEC: %d AUXDSP: %d PROG: %d",
1946 chip->firmware.firmware.ASIC,
1947 chip->firmware.firmware.CODEC,
1948 chip->firmware.firmware.AUXDSP,
1949 chip->firmware.firmware.PROG);
1950 snd_iprintf(buffer, "\nDigital mixer:");
1951 for (i = 0; i < 12; i++) {
1952 getmixer(cif, i, &rval, &lval);
1953 snd_iprintf(buffer, "\n %d: %d %d", i, rval, lval);
1954 }
1955 snd_iprintf(buffer,
1956 "\nARM Commands num: %d failed: %d time: %d max: %d min: %d",
1957 cif->cmdcnt, cif->errcnt,
1958 cif->cmdtime, cif->cmdtimemax, cif->cmdtimemin);
1959 }
1960 snd_iprintf(buffer, "\nOpen streams %d:\n", chip->openstreams);
1961 for (i = 0; i < PLAYBACK_SUBSTREAMS; i++) {
1962 if (chip->playback_substream[i]
1963 && chip->playback_substream[i]->runtime
1964 && (data =
1965 chip->playback_substream[i]->runtime->private_data)) {
1966 snd_iprintf(buffer,
1967 "stream: %d mixer: %d source: %d (%d,%d)\n",
1968 data->id, data->mixer, data->source,
1969 data->intdec[0], data->intdec[1]);
1970 if (!(getsamplerate(cif, data->intdec, &rate)))
1971 snd_iprintf(buffer, "rate: %d\n", rate);
1972 }
1973 }
1974 if (chip->capture_substream
1975 && chip->capture_substream->runtime
1976 && (data = chip->capture_substream->runtime->private_data)) {
1977 snd_iprintf(buffer,
1978 "stream: %d mixer: %d source: %d (%d,%d)\n",
1979 data->id, data->mixer,
1980 data->source, data->intdec[0], data->intdec[1]);
1981 if (!(getsamplerate(cif, data->intdec, &rate)))
1982 snd_iprintf(buffer, "rate: %d\n", rate);
1983 }
1984 snd_iprintf(buffer, "Paths:\n");
1985 i = getpaths(cif, p);
1986 while (i--) {
1987 snd_iprintf(buffer, "%x->%x ", p[i - 1], p[i]);
1988 i--;
1989 }
1990 snd_iprintf(buffer, "\n");
1991}
1992
1993static void __devinit snd_riptide_proc_init(struct snd_riptide *chip)
1994{
1995 struct snd_info_entry *entry;
1996
1997 if (!snd_card_proc_new(chip->card, "riptide", &entry))
1998 snd_info_set_text_ops(entry, chip, 4096, snd_riptide_proc_read);
1999}
2000
2001static int __devinit snd_riptide_mixer(struct snd_riptide *chip)
2002{
2003 struct snd_ac97_bus *pbus;
2004 struct snd_ac97_template ac97;
2005 int err = 0;
2006 static struct snd_ac97_bus_ops ops = {
2007 .write = snd_riptide_codec_write,
2008 .read = snd_riptide_codec_read,
2009 };
2010
2011 memset(&ac97, 0, sizeof(ac97));
2012 ac97.private_data = chip;
2013 ac97.scaps = AC97_SCAP_SKIP_MODEM;
2014
2015 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0)
2016 return err;
2017
2018 chip->ac97_bus = pbus;
2019 ac97.pci = chip->pci;
2020 if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97)) < 0)
2021 return err;
2022 return err;
2023}
2024
2025#ifdef SUPPORT_JOYSTICK
2026static int have_joystick;
2027static struct pci_dev *riptide_gameport_pci;
2028static struct gameport *riptide_gameport;
2029
2030static int __devinit
2031snd_riptide_joystick_probe(struct pci_dev *pci, const struct pci_device_id *id)
2032{
2033 static int dev;
2034
2035 if (dev >= SNDRV_CARDS)
2036 return -ENODEV;
2037 if (!enable[dev]) {
2038 dev++;
2039 return -ENOENT;
2040 }
2041
2042 if (joystick_port[dev]) {
2043 riptide_gameport = gameport_allocate_port();
2044 if (riptide_gameport) {
2045 if (!request_region
2046 (joystick_port[dev], 8, "Riptide gameport")) {
2047 snd_printk(KERN_WARNING
2048 "Riptide: cannot grab gameport 0x%x\n",
2049 joystick_port[dev]);
2050 gameport_free_port(riptide_gameport);
2051 riptide_gameport = NULL;
2052 } else {
2053 riptide_gameport_pci = pci;
2054 riptide_gameport->io = joystick_port[dev];
2055 gameport_register_port(riptide_gameport);
2056 }
2057 }
2058 }
2059 dev++;
2060 return 0;
2061}
2062
2063static void __devexit snd_riptide_joystick_remove(struct pci_dev *pci)
2064{
2065 if (riptide_gameport) {
2066 if (riptide_gameport_pci == pci) {
2067 release_region(riptide_gameport->io, 8);
2068 riptide_gameport_pci = NULL;
2069 gameport_unregister_port(riptide_gameport);
2070 riptide_gameport = NULL;
2071 }
2072 }
2073}
2074#endif
2075
2076static int __devinit
2077snd_card_riptide_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2078{
2079 static int dev;
2080 struct snd_card *card;
2081 struct snd_riptide *chip;
2082 unsigned short addr;
2083 int err = 0;
2084
2085 if (dev >= SNDRV_CARDS)
2086 return -ENODEV;
2087 if (!enable[dev]) {
2088 dev++;
2089 return -ENOENT;
2090 }
2091
2092 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2093 if (card == NULL)
2094 return -ENOMEM;
2095 if ((err = snd_riptide_create(card, pci, &chip)) < 0) {
2096 snd_card_free(card);
2097 return err;
2098 }
2099 card->private_data = chip;
2100 if ((err = snd_riptide_pcm(chip, 0, NULL)) < 0) {
2101 snd_card_free(card);
2102 return err;
2103 }
2104 if ((err = snd_riptide_mixer(chip)) < 0) {
2105 snd_card_free(card);
2106 return err;
2107 }
2108 pci_write_config_word(chip->pci, PCI_EXT_Legacy_Mask, LEGACY_ENABLE_ALL
2109 | (opl3_port[dev] ? LEGACY_ENABLE_FM : 0)
2110#ifdef SUPPORT_JOYSTICK
2111 | (joystick_port[dev] ? LEGACY_ENABLE_GAMEPORT :
2112 0)
2113#endif
2114 | (mpu_port[dev]
2115 ? (LEGACY_ENABLE_MPU_INT | LEGACY_ENABLE_MPU) :
2116 0)
2117 | ((chip->irq << 4) & 0xF0));
2118 if ((addr = mpu_port[dev]) != 0) {
2119 pci_write_config_word(chip->pci, PCI_EXT_MPU_Base, addr);
2120 if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_RIPTIDE,
2121 addr, 0, chip->irq, 0,
2122 &chip->rmidi)) < 0)
2123 snd_printk(KERN_WARNING
2124 "Riptide: Can't Allocate MPU at 0x%x\n",
2125 addr);
2126 else
2127 chip->mpuaddr = addr;
2128 }
2129 if ((addr = opl3_port[dev]) != 0) {
2130 pci_write_config_word(chip->pci, PCI_EXT_FM_Base, addr);
2131 if ((err = snd_opl3_create(card, addr, addr + 2,
2132 OPL3_HW_RIPTIDE, 0,
2133 &chip->opl3)) < 0)
2134 snd_printk(KERN_WARNING
2135 "Riptide: Can't Allocate OPL3 at 0x%x\n",
2136 addr);
2137 else {
2138 chip->opladdr = addr;
2139 if ((err =
2140 snd_opl3_hwdep_new(chip->opl3, 0, 1, NULL)) < 0)
2141 snd_printk(KERN_WARNING
2142 "Riptide: Can't Allocate OPL3-HWDEP\n");
2143 }
2144 }
2145#ifdef SUPPORT_JOYSTICK
2146 if ((addr = joystick_port[dev]) != 0) {
2147 pci_write_config_word(chip->pci, PCI_EXT_Game_Base, addr);
2148 chip->gameaddr = addr;
2149 }
2150#endif
2151
2152 strcpy(card->driver, "RIPTIDE");
2153 strcpy(card->shortname, "Riptide");
2154#ifdef SUPPORT_JOYSTICK
2155 snprintf(card->longname, sizeof(card->longname),
2156 "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x gameport 0x%x",
2157 card->shortname, chip->port, chip->irq, chip->mpuaddr,
2158 chip->opladdr, chip->gameaddr);
2159#else
2160 snprintf(card->longname, sizeof(card->longname),
2161 "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x",
2162 card->shortname, chip->port, chip->irq, chip->mpuaddr,
2163 chip->opladdr);
2164#endif
2165 snd_riptide_proc_init(chip);
2166 if ((err = snd_card_register(card)) < 0) {
2167 snd_card_free(card);
2168 return err;
2169 }
2170 pci_set_drvdata(pci, card);
2171 dev++;
2172 return 0;
2173}
2174
2175static void __devexit snd_card_riptide_remove(struct pci_dev *pci)
2176{
2177 snd_card_free(pci_get_drvdata(pci));
2178 pci_set_drvdata(pci, NULL);
2179}
2180
2181static struct pci_driver driver = {
2182 .name = "RIPTIDE",
2183 .id_table = snd_riptide_ids,
2184 .probe = snd_card_riptide_probe,
2185 .remove = __devexit_p(snd_card_riptide_remove),
2186#ifdef CONFIG_PM
2187 .suspend = riptide_suspend,
2188 .resume = riptide_resume,
2189#endif
2190};
2191
2192#ifdef SUPPORT_JOYSTICK
2193static struct pci_driver joystick_driver = {
2194 .name = "Riptide Joystick",
2195 .id_table = snd_riptide_joystick_ids,
2196 .probe = snd_riptide_joystick_probe,
2197 .remove = __devexit_p(snd_riptide_joystick_remove),
2198};
2199#endif
2200
2201static int __init alsa_card_riptide_init(void)
2202{
2203 int err;
2204 if ((err = pci_register_driver(&driver)) < 0)
2205 return err;
2206#if defined(SUPPORT_JOYSTICK)
2207 if (pci_register_driver(&joystick_driver) < 0) {
2208 have_joystick = 0;
2209 snd_printk(KERN_INFO "no joystick found\n");
2210 } else
2211 have_joystick = 1;
2212#endif
2213 return 0;
2214}
2215
2216static void __exit alsa_card_riptide_exit(void)
2217{
2218 pci_unregister_driver(&driver);
2219#if defined(SUPPORT_JOYSTICK)
2220 if (have_joystick)
2221 pci_unregister_driver(&joystick_driver);
2222#endif
2223}
2224
2225module_init(alsa_card_riptide_init);
2226module_exit(alsa_card_riptide_exit);
kernel source for telekom puls (alcatel/mediatek)