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Initial commit
[wrt350n-kernel.git] / sound / pci / riptide / riptide.c
blob9408b1eeec40d551615334250d809d8aaf1acdc2
1 /*
2 * Driver for the Conexant Riptide Soundchip
3 *
4 * Copyright (c) 2004 Peter Gruber <nokos@gmx.net>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 *
20 */
21 /*
22 History:
23 - 02/15/2004 first release
24
25 This Driver is based on the OSS Driver version from Linuxant (riptide-0.6lnxtbeta03111100)
26 credits from the original files:
27
28 MODULE NAME: cnxt_rt.h
29 AUTHOR: K. Lazarev (Transcribed by KNL)
30 HISTORY: Major Revision Date By
31 ----------------------------- -------- -----
32 Created 02/1/2000 KNL
33
34 MODULE NAME: int_mdl.c
35 AUTHOR: Konstantin Lazarev (Transcribed by KNL)
36 HISTORY: Major Revision Date By
37 ----------------------------- -------- -----
38 Created 10/01/99 KNL
39
40 MODULE NAME: riptide.h
41 AUTHOR: O. Druzhinin (Transcribed by OLD)
42 HISTORY: Major Revision Date By
43 ----------------------------- -------- -----
44 Created 10/16/97 OLD
45
46 MODULE NAME: Rp_Cmdif.cpp
47 AUTHOR: O. Druzhinin (Transcribed by OLD)
48 K. Lazarev (Transcribed by KNL)
49 HISTORY: Major Revision Date By
50 ----------------------------- -------- -----
51 Adopted from NT4 driver 6/22/99 OLD
52 Ported to Linux 9/01/99 KNL
53
54 MODULE NAME: rt_hw.c
55 AUTHOR: O. Druzhinin (Transcribed by OLD)
56 C. Lazarev (Transcribed by CNL)
57 HISTORY: Major Revision Date By
58 ----------------------------- -------- -----
59 Created 11/18/97 OLD
60 Hardware functions for RipTide 11/24/97 CNL
61 (ES1) are coded
62 Hardware functions for RipTide 12/24/97 CNL
63 (A0) are coded
64 Hardware functions for RipTide 03/20/98 CNL
65 (A1) are coded
66 Boot loader is included 05/07/98 CNL
67 Redesigned for WDM 07/27/98 CNL
68 Redesigned for Linux 09/01/99 CNL
69
70 MODULE NAME: rt_hw.h
71 AUTHOR: C. Lazarev (Transcribed by CNL)
72 HISTORY: Major Revision Date By
73 ----------------------------- -------- -----
74 Created 11/18/97 CNL
75
76 MODULE NAME: rt_mdl.c
77 AUTHOR: Konstantin Lazarev (Transcribed by KNL)
78 HISTORY: Major Revision Date By
79 ----------------------------- -------- -----
80 Created 10/01/99 KNL
81
82 MODULE NAME: mixer.h
83 AUTHOR: K. Kenney
84 HISTORY: Major Revision Date By
85 ----------------------------- -------- -----
86 Created from MS W95 Sample 11/28/95 KRS
87 RipTide 10/15/97 KRS
88 Adopted for Windows NT driver 01/20/98 CNL
89 */
90
91 #include <linux/delay.h>
92 #include <linux/init.h>
93 #include <linux/interrupt.h>
94 #include <linux/pci.h>
95 #include <linux/slab.h>
96 #include <linux/wait.h>
97 #include <linux/gameport.h>
98 #include <linux/device.h>
99 #include <linux/firmware.h>
100 #include <asm/io.h>
101 #include <sound/core.h>
102 #include <sound/info.h>
103 #include <sound/control.h>
104 #include <sound/pcm.h>
105 #include <sound/pcm_params.h>
106 #include <sound/ac97_codec.h>
107 #include <sound/mpu401.h>
108 #include <sound/opl3.h>
109 #include <sound/initval.h>
110
111 #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
112 #define SUPPORT_JOYSTICK 1
113 #endif
114
115 MODULE_AUTHOR("Peter Gruber <nokos@gmx.net>");
116 MODULE_DESCRIPTION("riptide");
117 MODULE_LICENSE("GPL");
118 MODULE_SUPPORTED_DEVICE("{{Conexant,Riptide}}");
119 MODULE_FIRMWARE("riptide.hex");
120
121 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
122 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
123 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
124
125 #ifdef SUPPORT_JOYSTICK
126 static int joystick_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x200 };
127 #endif
128 static int mpu_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x330 };
129 static int opl3_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x388 };
130
131 module_param_array(index, int, NULL, 0444);
132 MODULE_PARM_DESC(index, "Index value for Riptide soundcard.");
133 module_param_array(id, charp, NULL, 0444);
134 MODULE_PARM_DESC(id, "ID string for Riptide soundcard.");
135 module_param_array(enable, bool, NULL, 0444);
136 MODULE_PARM_DESC(enable, "Enable Riptide soundcard.");
137 #ifdef SUPPORT_JOYSTICK
138 module_param_array(joystick_port, int, NULL, 0444);
139 MODULE_PARM_DESC(joystick_port, "Joystick port # for Riptide soundcard.");
140 #endif
141 module_param_array(mpu_port, int, NULL, 0444);
142 MODULE_PARM_DESC(mpu_port, "MPU401 port # for Riptide driver.");
143 module_param_array(opl3_port, int, NULL, 0444);
144 MODULE_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
312 enum FIRMWARE {
313 DATA_REC = 0, EXT_END_OF_FILE, EXT_SEG_ADDR_REC, EXT_GOTO_CMD_REC,
314 EXT_LIN_ADDR_REC,
315 };
316
317 enum 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
326 enum 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
343 enum 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
360 enum 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
366 enum 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
373 enum { SB_CMD = 0, MODEM_CMD, I2S_CMD0, I2S_CMD1, FM_CMD, MAX_CMD };
374
375 struct lbuspath {
376 unsigned char *noconv;
377 unsigned char *stereo;
378 unsigned char *mono;
379 };
380
381 struct cmdport {
382 u32 data1; /* cmd,param */
383 u32 data2; /* param */
384 u32 stat; /* status */
385 u32 pad[5];
386 };
387
388 struct riptideport {
389 u32 audio_control; /* status registers */
390 u32 audio_status;
391 u32 pad[2];
392 struct cmdport port[2]; /* command ports */
393 };
394
395 struct 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
406 struct riptide_firmware {
407 u16 ASIC;
408 u16 CODEC;
409 u16 AUXDSP;
410 u16 PROG;
411 };
412
413 union cmdret {
414 u8 retbytes[8];
415 u16 retwords[4];
416 u32 retlongs[2];
417 };
418
419 union 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
427 struct 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
470 struct sgd { /* scatter gather desriptor */
471 u32 dwNextLink;
472 u32 dwSegPtrPhys;
473 u32 dwSegLen;
474 u32 dwStat_Ctl;
475 };
476
477 struct 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
498 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
499 union cmdret *ret);
500 static int getsourcesink(struct cmdif *cif, unsigned char source,
501 unsigned char sink, unsigned char *a,
502 unsigned char *b);
503 static int snd_riptide_initialize(struct snd_riptide *chip);
504 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip);
505
506 /*
507 */
508
509 static 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
530 static struct pci_device_id snd_riptide_joystick_ids[] __devinitdata = {
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
549 MODULE_DEVICE_TABLE(pci, snd_riptide_ids);
550
551 /*
552 */
553
554 static 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
594 static unsigned char lbus_play_opl3[] = {
595 DIGITAL_MIXER_IN0 + FM_MIXER, 0xff
596 };
597 static unsigned char lbus_play_modem[] = {
598 DIGITAL_MIXER_IN0 + MODEM_MIXER, 0xff
599 };
600 static unsigned char lbus_play_i2s[] = {
601 INTER0_IN + I2S_INTDEC, DIGITAL_MIXER_IN0 + I2S_MIXER, 0xff
602 };
603 static unsigned char lbus_play_out[] = {
604 PDAC2ACLNK, 0xff
605 };
606 static unsigned char lbus_play_outhp[] = {
607 HNDSPK2ACLNK, 0xff
608 };
609 static unsigned char lbus_play_noconv1[] = {
610 DIGITAL_MIXER_IN0, 0xff
611 };
612 static unsigned char lbus_play_stereo1[] = {
613 INTER0_IN, DIGITAL_MIXER_IN0, 0xff
614 };
615 static unsigned char lbus_play_mono1[] = {
616 INTERM0_IN, DIGITAL_MIXER_IN0, 0xff
617 };
618 static unsigned char lbus_play_noconv2[] = {
619 DIGITAL_MIXER_IN1, 0xff
620 };
621 static unsigned char lbus_play_stereo2[] = {
622 INTER1_IN, DIGITAL_MIXER_IN1, 0xff
623 };
624 static unsigned char lbus_play_mono2[] = {
625 INTERM1_IN, DIGITAL_MIXER_IN1, 0xff
626 };
627 static unsigned char lbus_play_noconv3[] = {
628 DIGITAL_MIXER_IN2, 0xff
629 };
630 static unsigned char lbus_play_stereo3[] = {
631 INTER2_IN, DIGITAL_MIXER_IN2, 0xff
632 };
633 static unsigned char lbus_play_mono3[] = {
634 INTERM2_IN, DIGITAL_MIXER_IN2, 0xff
635 };
636 static unsigned char lbus_rec_noconv1[] = {
637 LBUS2ARM_FIFO5, 0xff
638 };
639 static unsigned char lbus_rec_stereo1[] = {
640 DECIM0_IN, LBUS2ARM_FIFO5, 0xff
641 };
642 static unsigned char lbus_rec_mono1[] = {
643 DECIMM3_IN, LBUS2ARM_FIFO5, 0xff
644 };
645
646 static unsigned char play_ids[] = { 4, 1, 2, };
647 static unsigned char play_sources[] = {
648 ARM2LBUS_FIFO4, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2,
649 };
650 static 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 };
667 static 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
674 static union firmware_version firmware_versions[] = {
675 {
676 .firmware = {
677 .ASIC = 3,
678 .CODEC = 2,
679 .AUXDSP = 3,
680 .PROG = 773,
681 },
682 },
683 };
684
685 static u32 atoh(unsigned char *in, unsigned int len)
686 {
687 u32 sum = 0;
688 unsigned int mult = 1;
689 unsigned char c;
690
691 while (len) {
692 c = in[len - 1];
693 if ((c >= '0') && (c <= '9'))
694 sum += mult * (c - '0');
695 else if ((c >= 'A') && (c <= 'F'))
696 sum += mult * (c - ('A' - 10));
697 else if ((c >= 'a') && (c <= 'f'))
698 sum += mult * (c - ('a' - 10));
699 mult *= 16;
700 --len;
701 }
702 return sum;
703 }
704
705 static int senddata(struct cmdif *cif, unsigned char *in, u32 offset)
706 {
707 u32 addr;
708 u32 data;
709 u32 i;
710 unsigned char *p;
711
712 i = atoh(&in[1], 2);
713 addr = offset + atoh(&in[3], 4);
714 if (SEND_SMEM(cif, 0, addr) != 0)
715 return -EACCES;
716 p = in + 9;
717 while (i) {
718 data = atoh(p, 8);
719 if (SEND_WMEM(cif, 2,
720 ((data & 0x0f0f0f0f) << 4) | ((data & 0xf0f0f0f0)
721 >> 4)))
722 return -EACCES;
723 i -= 4;
724 p += 8;
725 }
726 return 0;
727 }
728
729 static int loadfirmware(struct cmdif *cif, unsigned char *img,
730 unsigned int size)
731 {
732 unsigned char *in;
733 u32 laddr, saddr, t, val;
734 int err = 0;
735
736 laddr = saddr = 0;
737 while (size > 0 && err == 0) {
738 in = img;
739 if (in[0] == ':') {
740 t = atoh(&in[7], 2);
741 switch (t) {
742 case DATA_REC:
743 err = senddata(cif, in, laddr + saddr);
744 break;
745 case EXT_SEG_ADDR_REC:
746 saddr = atoh(&in[9], 4) << 4;
747 break;
748 case EXT_LIN_ADDR_REC:
749 laddr = atoh(&in[9], 4) << 16;
750 break;
751 case EXT_GOTO_CMD_REC:
752 val = atoh(&in[9], 8);
753 if (SEND_GOTO(cif, val) != 0)
754 err = -EACCES;
755 break;
756 case EXT_END_OF_FILE:
757 size = 0;
758 break;
759 default:
760 break;
761 }
762 while (size > 0) {
763 size--;
764 if (*img++ == '\n')
765 break;
766 }
767 }
768 }
769 snd_printdd("load firmware return %d\n", err);
770 return err;
771 }
772
773 static void
774 alloclbuspath(struct cmdif *cif, unsigned char source,
775 unsigned char *path, unsigned char *mixer, unsigned char *s)
776 {
777 while (*path != 0xff) {
778 unsigned char sink, type;
779
780 sink = *path & (~SPLIT_PATH);
781 if (sink != E2SINK_MAX) {
782 snd_printdd("alloc path 0x%x->0x%x\n", source, sink);
783 SEND_PSEL(cif, source, sink);
784 source = lbusin2out[sink][0];
785 type = lbusin2out[sink][1];
786 if (type == LS_MIXER_IN) {
787 if (mixer)
788 *mixer = sink - DIGITAL_MIXER_IN0;
789 }
790 if (type == LS_SRC_DECIMATORM ||
791 type == LS_SRC_DECIMATOR ||
792 type == LS_SRC_INTERPOLATORM ||
793 type == LS_SRC_INTERPOLATOR) {
794 if (s) {
795 if (s[0] != 0xff)
796 s[1] = sink;
797 else
798 s[0] = sink;
799 }
800 }
801 }
802 if (*path++ & SPLIT_PATH) {
803 unsigned char *npath = path;
804
805 while (*npath != 0xff)
806 npath++;
807 alloclbuspath(cif, source + 1, ++npath, mixer, s);
808 }
809 }
810 }
811
812 static void
813 freelbuspath(struct cmdif *cif, unsigned char source, unsigned char *path)
814 {
815 while (*path != 0xff) {
816 unsigned char sink;
817
818 sink = *path & (~SPLIT_PATH);
819 if (sink != E2SINK_MAX) {
820 snd_printdd("free path 0x%x->0x%x\n", source, sink);
821 SEND_PCLR(cif, source, sink);
822 source = lbusin2out[sink][0];
823 }
824 if (*path++ & SPLIT_PATH) {
825 unsigned char *npath = path;
826
827 while (*npath != 0xff)
828 npath++;
829 freelbuspath(cif, source + 1, ++npath);
830 }
831 }
832 }
833
834 static int writearm(struct cmdif *cif, u32 addr, u32 data, u32 mask)
835 {
836 union cmdret rptr = CMDRET_ZERO;
837 unsigned int i = MAX_WRITE_RETRY;
838 int flag = 1;
839
840 SEND_RMEM(cif, 0x02, addr, &rptr);
841 rptr.retlongs[0] &= (~mask);
842
843 while (--i) {
844 SEND_SMEM(cif, 0x01, addr);
845 SEND_WMEM(cif, 0x02, (rptr.retlongs[0] | data));
846 SEND_RMEM(cif, 0x02, addr, &rptr);
847 if ((rptr.retlongs[0] & data) == data) {
848 flag = 0;
849 break;
850 } else
851 rptr.retlongs[0] &= ~mask;
852 }
853 snd_printdd("send arm 0x%x 0x%x 0x%x return %d\n", addr, data, mask,
854 flag);
855 return flag;
856 }
857
858 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
859 union cmdret *ret)
860 {
861 int i, j;
862 int err;
863 unsigned int time = 0;
864 unsigned long irqflags;
865 struct riptideport *hwport;
866 struct cmdport *cmdport = NULL;
867
868 snd_assert(cif, return -EINVAL);
869
870 hwport = cif->hwport;
871 if (cif->errcnt > MAX_ERROR_COUNT) {
872 if (cif->is_reset) {
873 snd_printk(KERN_ERR
874 "Riptide: Too many failed cmds, reinitializing\n");
875 if (riptide_reset(cif, NULL) == 0) {
876 cif->errcnt = 0;
877 return -EIO;
878 }
879 }
880 snd_printk(KERN_ERR "Riptide: Initialization failed.\n");
881 return -EINVAL;
882 }
883 if (ret) {
884 ret->retlongs[0] = 0;
885 ret->retlongs[1] = 0;
886 }
887 i = 0;
888 spin_lock_irqsave(&cif->lock, irqflags);
889 while (i++ < CMDIF_TIMEOUT && !IS_READY(cif->hwport))
890 udelay(10);
891 if (i >= CMDIF_TIMEOUT) {
892 err = -EBUSY;
893 goto errout;
894 }
895
896 err = 0;
897 for (j = 0, time = 0; time < CMDIF_TIMEOUT; j++, time += 2) {
898 cmdport = &(hwport->port[j % 2]);
899 if (IS_DATF(cmdport)) { /* free pending data */
900 READ_PORT_ULONG(cmdport->data1);
901 READ_PORT_ULONG(cmdport->data2);
902 }
903 if (IS_CMDE(cmdport)) {
904 if (flags & PARM) /* put data */
905 WRITE_PORT_ULONG(cmdport->data2, parm);
906 WRITE_PORT_ULONG(cmdport->data1, cmd); /* write cmd */
907 if ((flags & RESP) && ret) {
908 while (!IS_DATF(cmdport) &&
909 time++ < CMDIF_TIMEOUT)
910 udelay(10);
911 if (time < CMDIF_TIMEOUT) { /* read response */
912 ret->retlongs[0] =
913 READ_PORT_ULONG(cmdport->data1);
914 ret->retlongs[1] =
915 READ_PORT_ULONG(cmdport->data2);
916 } else {
917 err = -ENOSYS;
918 goto errout;
919 }
920 }
921 break;
922 }
923 udelay(20);
924 }
925 if (time == CMDIF_TIMEOUT) {
926 err = -ENODATA;
927 goto errout;
928 }
929 spin_unlock_irqrestore(&cif->lock, irqflags);
930
931 cif->cmdcnt++; /* update command statistics */
932 cif->cmdtime += time;
933 if (time > cif->cmdtimemax)
934 cif->cmdtimemax = time;
935 if (time < cif->cmdtimemin)
936 cif->cmdtimemin = time;
937 if ((cif->cmdcnt) % 1000 == 0)
938 snd_printdd
939 ("send cmd %d time: %d mintime: %d maxtime %d err: %d\n",
940 cif->cmdcnt, cif->cmdtime, cif->cmdtimemin,
941 cif->cmdtimemax, cif->errcnt);
942 return 0;
943
944 errout:
945 cif->errcnt++;
946 spin_unlock_irqrestore(&cif->lock, irqflags);
947 snd_printdd
948 ("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",
949 cif->cmdcnt, (int)((void *)&(cmdport->stat) - (void *)hwport),
950 flags, cmd, parm, ret ? ret->retlongs[0] : 0,
951 ret ? ret->retlongs[1] : 0, IS_CMDE(cmdport), IS_DATF(cmdport),
952 err);
953 return err;
954 }
955
956 static int
957 setmixer(struct cmdif *cif, short num, unsigned short rval, unsigned short lval)
958 {
959 union cmdret rptr = CMDRET_ZERO;
960 int i = 0;
961
962 snd_printdd("sent mixer %d: 0x%d 0x%d\n", num, rval, lval);
963 do {
964 SEND_SDGV(cif, num, num, rval, lval);
965 SEND_RDGV(cif, num, num, &rptr);
966 if (rptr.retwords[0] == lval && rptr.retwords[1] == rval)
967 return 0;
968 } while (i++ < MAX_WRITE_RETRY);
969 snd_printdd("sent mixer failed\n");
970 return -EIO;
971 }
972
973 static int getpaths(struct cmdif *cif, unsigned char *o)
974 {
975 unsigned char src[E2SINK_MAX];
976 unsigned char sink[E2SINK_MAX];
977 int i, j = 0;
978
979 for (i = 0; i < E2SINK_MAX; i++) {
980 getsourcesink(cif, i, i, &src[i], &sink[i]);
981 if (sink[i] < E2SINK_MAX) {
982 o[j++] = sink[i];
983 o[j++] = i;
984 }
985 }
986 return j;
987 }
988
989 static int
990 getsourcesink(struct cmdif *cif, unsigned char source, unsigned char sink,
991 unsigned char *a, unsigned char *b)
992 {
993 union cmdret rptr = CMDRET_ZERO;
994
995 if (SEND_RSSV(cif, source, sink, &rptr) &&
996 SEND_RSSV(cif, source, sink, &rptr))
997 return -EIO;
998 *a = rptr.retbytes[0];
999 *b = rptr.retbytes[1];
1000 snd_printdd("getsourcesink 0x%x 0x%x\n", *a, *b);
1001 return 0;
1002 }
1003
1004 static int
1005 getsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int *rate)
1006 {
1007 unsigned char *s;
1008 unsigned int p[2] = { 0, 0 };
1009 int i;
1010 union cmdret rptr = CMDRET_ZERO;
1011
1012 s = intdec;
1013 for (i = 0; i < 2; i++) {
1014 if (*s != 0xff) {
1015 if (SEND_RSRC(cif, *s, &rptr) &&
1016 SEND_RSRC(cif, *s, &rptr))
1017 return -EIO;
1018 p[i] += rptr.retwords[1];
1019 p[i] *= rptr.retwords[2];
1020 p[i] += rptr.retwords[3];
1021 p[i] /= 65536;
1022 }
1023 s++;
1024 }
1025 if (p[0]) {
1026 if (p[1] != p[0])
1027 snd_printdd("rates differ %d %d\n", p[0], p[1]);
1028 *rate = (unsigned int)p[0];
1029 } else
1030 *rate = (unsigned int)p[1];
1031 snd_printdd("getsampleformat %d %d %d\n", intdec[0], intdec[1], *rate);
1032 return 0;
1033 }
1034
1035 static int
1036 setsampleformat(struct cmdif *cif,
1037 unsigned char mixer, unsigned char id,
1038 unsigned char channels, unsigned char format)
1039 {
1040 unsigned char w, ch, sig, order;
1041
1042 snd_printdd
1043 ("setsampleformat mixer: %d id: %d channels: %d format: %d\n",
1044 mixer, id, channels, format);
1045 ch = channels == 1;
1046 w = snd_pcm_format_width(format) == 8;
1047 sig = snd_pcm_format_unsigned(format) != 0;
1048 order = snd_pcm_format_big_endian(format) != 0;
1049
1050 if (SEND_SETF(cif, mixer, w, ch, order, sig, id) &&
1051 SEND_SETF(cif, mixer, w, ch, order, sig, id)) {
1052 snd_printdd("setsampleformat failed\n");
1053 return -EIO;
1054 }
1055 return 0;
1056 }
1057
1058 static int
1059 setsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int rate)
1060 {
1061 u32 D, M, N;
1062 union cmdret rptr = CMDRET_ZERO;
1063 int i;
1064
1065 snd_printdd("setsamplerate intdec: %d,%d rate: %d\n", intdec[0],
1066 intdec[1], rate);
1067 D = 48000;
1068 M = ((rate == 48000) ? 47999 : rate) * 65536;
1069 N = M % D;
1070 M /= D;
1071 for (i = 0; i < 2; i++) {
1072 if (*intdec != 0xff) {
1073 do {
1074 SEND_SSRC(cif, *intdec, D, M, N);
1075 SEND_RSRC(cif, *intdec, &rptr);
1076 } while (rptr.retwords[1] != D &&
1077 rptr.retwords[2] != M &&
1078 rptr.retwords[3] != N &&
1079 i++ < MAX_WRITE_RETRY);
1080 if (i == MAX_WRITE_RETRY) {
1081 snd_printdd("sent samplerate %d: %d failed\n",
1082 *intdec, rate);
1083 return -EIO;
1084 }
1085 }
1086 intdec++;
1087 }
1088 return 0;
1089 }
1090
1091 static int
1092 getmixer(struct cmdif *cif, short num, unsigned short *rval,
1093 unsigned short *lval)
1094 {
1095 union cmdret rptr = CMDRET_ZERO;
1096
1097 if (SEND_RDGV(cif, num, num, &rptr) && SEND_RDGV(cif, num, num, &rptr))
1098 return -EIO;
1099 *rval = rptr.retwords[0];
1100 *lval = rptr.retwords[1];
1101 snd_printdd("got mixer %d: 0x%d 0x%d\n", num, *rval, *lval);
1102 return 0;
1103 }
1104
1105 static void riptide_handleirq(unsigned long dev_id)
1106 {
1107 struct snd_riptide *chip = (void *)dev_id;
1108 struct cmdif *cif = chip->cif;
1109 struct snd_pcm_substream *substream[PLAYBACK_SUBSTREAMS + 1];
1110 struct snd_pcm_runtime *runtime;
1111 struct pcmhw *data = NULL;
1112 unsigned int pos, period_bytes;
1113 struct sgd *c;
1114 int i, j;
1115 unsigned int flag;
1116
1117 if (!cif)
1118 return;
1119
1120 for (i = 0; i < PLAYBACK_SUBSTREAMS; i++)
1121 substream[i] = chip->playback_substream[i];
1122 substream[i] = chip->capture_substream;
1123 for (i = 0; i < PLAYBACK_SUBSTREAMS + 1; i++) {
1124 if (substream[i] &&
1125 (runtime = substream[i]->runtime) &&
1126 (data = runtime->private_data) && data->state != ST_STOP) {
1127 pos = 0;
1128 for (j = 0; j < data->pages; j++) {
1129 c = &data->sgdbuf[j];
1130 flag = le32_to_cpu(c->dwStat_Ctl);
1131 if (flag & EOB_STATUS)
1132 pos += le32_to_cpu(c->dwSegLen);
1133 if (flag & EOC_STATUS)
1134 pos += le32_to_cpu(c->dwSegLen);
1135 if ((flag & EOS_STATUS)
1136 && (data->state == ST_PLAY)) {
1137 data->state = ST_STOP;
1138 snd_printk(KERN_ERR
1139 "Riptide: DMA stopped unexpectedly\n");
1140 }
1141 c->dwStat_Ctl =
1142 cpu_to_le32(flag &
1143 ~(EOS_STATUS | EOB_STATUS |
1144 EOC_STATUS));
1145 }
1146 data->pointer += pos;
1147 pos += data->oldpos;
1148 if (data->state != ST_STOP) {
1149 period_bytes =
1150 frames_to_bytes(runtime,
1151 runtime->period_size);
1152 snd_printdd
1153 ("interrupt 0x%x after 0x%lx of 0x%lx frames in period\n",
1154 READ_AUDIO_STATUS(cif->hwport),
1155 bytes_to_frames(runtime, pos),
1156 runtime->period_size);
1157 j = 0;
1158 if (pos >= period_bytes) {
1159 j++;
1160 while (pos >= period_bytes)
1161 pos -= period_bytes;
1162 }
1163 data->oldpos = pos;
1164 if (j > 0)
1165 snd_pcm_period_elapsed(substream[i]);
1166 }
1167 }
1168 }
1169 }
1170
1171 #ifdef CONFIG_PM
1172 static int riptide_suspend(struct pci_dev *pci, pm_message_t state)
1173 {
1174 struct snd_card *card = pci_get_drvdata(pci);
1175 struct snd_riptide *chip = card->private_data;
1176
1177 chip->in_suspend = 1;
1178 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1179 snd_pcm_suspend_all(chip->pcm);
1180 snd_ac97_suspend(chip->ac97);
1181 pci_disable_device(pci);
1182 pci_save_state(pci);
1183 pci_set_power_state(pci, pci_choose_state(pci, state));
1184 return 0;
1185 }
1186
1187 static int riptide_resume(struct pci_dev *pci)
1188 {
1189 struct snd_card *card = pci_get_drvdata(pci);
1190 struct snd_riptide *chip = card->private_data;
1191
1192 pci_set_power_state(pci, PCI_D0);
1193 pci_restore_state(pci);
1194 if (pci_enable_device(pci) < 0) {
1195 printk(KERN_ERR "riptide: pci_enable_device failed, "
1196 "disabling device\n");
1197 snd_card_disconnect(card);
1198 return -EIO;
1199 }
1200 pci_set_master(pci);
1201 snd_riptide_initialize(chip);
1202 snd_ac97_resume(chip->ac97);
1203 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1204 chip->in_suspend = 0;
1205 return 0;
1206 }
1207 #endif
1208
1209 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip)
1210 {
1211 int timeout, tries;
1212 union cmdret rptr = CMDRET_ZERO;
1213 union firmware_version firmware;
1214 int i, j, err, has_firmware;
1215
1216 if (!cif)
1217 return -EINVAL;
1218
1219 cif->cmdcnt = 0;
1220 cif->cmdtime = 0;
1221 cif->cmdtimemax = 0;
1222 cif->cmdtimemin = 0xffffffff;
1223 cif->errcnt = 0;
1224 cif->is_reset = 0;
1225
1226 tries = RESET_TRIES;
1227 has_firmware = 0;
1228 while (has_firmware == 0 && tries-- > 0) {
1229 for (i = 0; i < 2; i++) {
1230 WRITE_PORT_ULONG(cif->hwport->port[i].data1, 0);
1231 WRITE_PORT_ULONG(cif->hwport->port[i].data2, 0);
1232 }
1233 SET_GRESET(cif->hwport);
1234 udelay(100);
1235 UNSET_GRESET(cif->hwport);
1236 udelay(100);
1237
1238 for (timeout = 100000; --timeout; udelay(10)) {
1239 if (IS_READY(cif->hwport) && !IS_GERR(cif->hwport))
1240 break;
1241 }
1242 if (timeout == 0) {
1243 snd_printk(KERN_ERR
1244 "Riptide: device not ready, audio status: 0x%x ready: %d gerr: %d\n",
1245 READ_AUDIO_STATUS(cif->hwport),
1246 IS_READY(cif->hwport), IS_GERR(cif->hwport));
1247 return -EIO;
1248 } else {
1249 snd_printdd
1250 ("Riptide: audio status: 0x%x ready: %d gerr: %d\n",
1251 READ_AUDIO_STATUS(cif->hwport),
1252 IS_READY(cif->hwport), IS_GERR(cif->hwport));
1253 }
1254
1255 SEND_GETV(cif, &rptr);
1256 for (i = 0; i < 4; i++)
1257 firmware.ret.retwords[i] = rptr.retwords[i];
1258
1259 snd_printdd
1260 ("Firmware version: ASIC: %d CODEC %d AUXDSP %d PROG %d\n",
1261 firmware.firmware.ASIC, firmware.firmware.CODEC,
1262 firmware.firmware.AUXDSP, firmware.firmware.PROG);
1263
1264 for (j = 0; j < FIRMWARE_VERSIONS; j++) {
1265 has_firmware = 1;
1266 for (i = 0; i < 4; i++) {
1267 if (firmware_versions[j].ret.retwords[i] !=
1268 firmware.ret.retwords[i])
1269 has_firmware = 0;
1270 }
1271 if (has_firmware)
1272 break;
1273 }
1274
1275 if (chip != NULL && has_firmware == 0) {
1276 snd_printdd("Writing Firmware\n");
1277 if (!chip->fw_entry) {
1278 if ((err =
1279 request_firmware(&chip->fw_entry,
1280 "riptide.hex",
1281 &chip->pci->dev)) != 0) {
1282 snd_printk(KERN_ERR
1283 "Riptide: Firmware not available %d\n",
1284 err);
1285 return -EIO;
1286 }
1287 }
1288 err = loadfirmware(cif, chip->fw_entry->data,
1289 chip->fw_entry->size);
1290 if (err)
1291 snd_printk(KERN_ERR
1292 "Riptide: Could not load firmware %d\n",
1293 err);
1294 }
1295 }
1296
1297 SEND_SACR(cif, 0, AC97_RESET);
1298 SEND_RACR(cif, AC97_RESET, &rptr);
1299 snd_printdd("AC97: 0x%x 0x%x\n", rptr.retlongs[0], rptr.retlongs[1]);
1300
1301 SEND_PLST(cif, 0);
1302 SEND_SLST(cif, 0);
1303 SEND_DLST(cif, 0);
1304 SEND_ALST(cif, 0);
1305 SEND_KDMA(cif);
1306
1307 writearm(cif, 0x301F8, 1, 1);
1308 writearm(cif, 0x301F4, 1, 1);
1309
1310 SEND_LSEL(cif, MODEM_CMD, 0, 0, MODEM_INTDEC, MODEM_MERGER,
1311 MODEM_SPLITTER, MODEM_MIXER);
1312 setmixer(cif, MODEM_MIXER, 0x7fff, 0x7fff);
1313 alloclbuspath(cif, ARM2LBUS_FIFO13, lbus_play_modem, NULL, NULL);
1314
1315 SEND_LSEL(cif, FM_CMD, 0, 0, FM_INTDEC, FM_MERGER, FM_SPLITTER,
1316 FM_MIXER);
1317 setmixer(cif, FM_MIXER, 0x7fff, 0x7fff);
1318 writearm(cif, 0x30648 + FM_MIXER * 4, 0x01, 0x00000005);
1319 writearm(cif, 0x301A8, 0x02, 0x00000002);
1320 writearm(cif, 0x30264, 0x08, 0xffffffff);
1321 alloclbuspath(cif, OPL3_SAMPLE, lbus_play_opl3, NULL, NULL);
1322
1323 SEND_SSRC(cif, I2S_INTDEC, 48000,
1324 ((u32) I2S_RATE * 65536) / 48000,
1325 ((u32) I2S_RATE * 65536) % 48000);
1326 SEND_LSEL(cif, I2S_CMD0, 0, 0, I2S_INTDEC, I2S_MERGER, I2S_SPLITTER,
1327 I2S_MIXER);
1328 SEND_SI2S(cif, 1);
1329 alloclbuspath(cif, ARM2LBUS_FIFO0, lbus_play_i2s, NULL, NULL);
1330 alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_out, NULL, NULL);
1331 alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_outhp, NULL, NULL);
1332
1333 SET_AIACK(cif->hwport);
1334 SET_AIE(cif->hwport);
1335 SET_AIACK(cif->hwport);
1336 cif->is_reset = 1;
1337 if (chip) {
1338 for (i = 0; i < 4; i++)
1339 chip->firmware.ret.retwords[i] =
1340 firmware.ret.retwords[i];
1341 }
1342
1343 return 0;
1344 }
1345
1346 static struct snd_pcm_hardware snd_riptide_playback = {
1347 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1348 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1349 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1350 .formats =
1351 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1352 | SNDRV_PCM_FMTBIT_U16_LE,
1353 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1354 .rate_min = 5500,
1355 .rate_max = 48000,
1356 .channels_min = 1,
1357 .channels_max = 2,
1358 .buffer_bytes_max = (64 * 1024),
1359 .period_bytes_min = PAGE_SIZE >> 1,
1360 .period_bytes_max = PAGE_SIZE << 8,
1361 .periods_min = 2,
1362 .periods_max = 64,
1363 .fifo_size = 0,
1364 };
1365 static struct snd_pcm_hardware snd_riptide_capture = {
1366 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1367 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1368 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1369 .formats =
1370 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1371 | SNDRV_PCM_FMTBIT_U16_LE,
1372 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1373 .rate_min = 5500,
1374 .rate_max = 48000,
1375 .channels_min = 1,
1376 .channels_max = 2,
1377 .buffer_bytes_max = (64 * 1024),
1378 .period_bytes_min = PAGE_SIZE >> 1,
1379 .period_bytes_max = PAGE_SIZE << 3,
1380 .periods_min = 2,
1381 .periods_max = 64,
1382 .fifo_size = 0,
1383 };
1384
1385 static snd_pcm_uframes_t snd_riptide_pointer(struct snd_pcm_substream
1386 *substream)
1387 {
1388 struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1389 struct snd_pcm_runtime *runtime = substream->runtime;
1390 struct pcmhw *data = get_pcmhwdev(substream);
1391 struct cmdif *cif = chip->cif;
1392 union cmdret rptr = CMDRET_ZERO;
1393 snd_pcm_uframes_t ret;
1394
1395 SEND_GPOS(cif, 0, data->id, &rptr);
1396 if (data->size && runtime->period_size) {
1397 snd_printdd
1398 ("pointer stream %d position 0x%x(0x%x in buffer) bytes 0x%lx(0x%lx in period) frames\n",
1399 data->id, rptr.retlongs[1], rptr.retlongs[1] % data->size,
1400 bytes_to_frames(runtime, rptr.retlongs[1]),
1401 bytes_to_frames(runtime,
1402 rptr.retlongs[1]) % runtime->period_size);
1403 if (rptr.retlongs[1] > data->pointer)
1404 ret =
1405 bytes_to_frames(runtime,
1406 rptr.retlongs[1] % data->size);
1407 else
1408 ret =
1409 bytes_to_frames(runtime,
1410 data->pointer % data->size);
1411 } else {
1412 snd_printdd("stream not started or strange parms (%d %ld)\n",
1413 data->size, runtime->period_size);
1414 ret = bytes_to_frames(runtime, 0);
1415 }
1416 return ret;
1417 }
1418
1419 static int snd_riptide_trigger(struct snd_pcm_substream *substream, int cmd)
1420 {
1421 int i, j;
1422 struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1423 struct pcmhw *data = get_pcmhwdev(substream);
1424 struct cmdif *cif = chip->cif;
1425 union cmdret rptr = CMDRET_ZERO;
1426
1427 spin_lock(&chip->lock);
1428 switch (cmd) {
1429 case SNDRV_PCM_TRIGGER_START:
1430 case SNDRV_PCM_TRIGGER_RESUME:
1431 if (!(data->state & ST_PLAY)) {
1432 SEND_SSTR(cif, data->id, data->sgdlist.addr);
1433 SET_AIE(cif->hwport);
1434 data->state = ST_PLAY;
1435 if (data->mixer != 0xff)
1436 setmixer(cif, data->mixer, 0x7fff, 0x7fff);
1437 chip->openstreams++;
1438 data->oldpos = 0;
1439 data->pointer = 0;
1440 }
1441 break;
1442 case SNDRV_PCM_TRIGGER_STOP:
1443 case SNDRV_PCM_TRIGGER_SUSPEND:
1444 if (data->mixer != 0xff)
1445 setmixer(cif, data->mixer, 0, 0);
1446 setmixer(cif, data->mixer, 0, 0);
1447 SEND_KSTR(cif, data->id);
1448 data->state = ST_STOP;
1449 chip->openstreams--;
1450 j = 0;
1451 do {
1452 i = rptr.retlongs[1];
1453 SEND_GPOS(cif, 0, data->id, &rptr);
1454 udelay(1);
1455 } while (i != rptr.retlongs[1] && j++ < MAX_WRITE_RETRY);
1456 if (j >= MAX_WRITE_RETRY)
1457 snd_printk(KERN_ERR "Riptide: Could not stop stream!");
1458 break;
1459 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1460 if (!(data->state & ST_PAUSE)) {
1461 SEND_PSTR(cif, data->id);
1462 data->state |= ST_PAUSE;
1463 chip->openstreams--;
1464 }
1465 break;
1466 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1467 if (data->state & ST_PAUSE) {
1468 SEND_SSTR(cif, data->id, data->sgdlist.addr);
1469 data->state &= ~ST_PAUSE;
1470 chip->openstreams++;
1471 }
1472 break;
1473 default:
1474 spin_unlock(&chip->lock);
1475 return -EINVAL;
1476 }
1477 spin_unlock(&chip->lock);
1478 return 0;
1479 }
1480
1481 static int snd_riptide_prepare(struct snd_pcm_substream *substream)
1482 {
1483 struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1484 struct snd_pcm_runtime *runtime = substream->runtime;
1485 struct snd_sg_buf *sgbuf = snd_pcm_substream_sgbuf(substream);
1486 struct pcmhw *data = get_pcmhwdev(substream);
1487 struct cmdif *cif = chip->cif;
1488 unsigned char *lbuspath = NULL;
1489 unsigned int rate, channels;
1490 int err = 0;
1491 snd_pcm_format_t format;
1492
1493 snd_assert(cif && data, return -EINVAL);
1494
1495 snd_printdd("prepare id %d ch: %d f:0x%x r:%d\n", data->id,
1496 runtime->channels, runtime->format, runtime->rate);
1497
1498 spin_lock_irq(&chip->lock);
1499 channels = runtime->channels;
1500 format = runtime->format;
1501 rate = runtime->rate;
1502 switch (channels) {
1503 case 1:
1504 if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1505 lbuspath = data->paths.noconv;
1506 else
1507 lbuspath = data->paths.mono;
1508 break;
1509 case 2:
1510 if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1511 lbuspath = data->paths.noconv;
1512 else
1513 lbuspath = data->paths.stereo;
1514 break;
1515 }
1516 snd_printdd("use sgdlist at 0x%p and buffer at 0x%p\n",
1517 data->sgdlist.area, sgbuf);
1518 if (data->sgdlist.area && sgbuf) {
1519 unsigned int i, j, size, pages, f, pt, period;
1520 struct sgd *c, *p = NULL;
1521
1522 size = frames_to_bytes(runtime, runtime->buffer_size);
1523 period = frames_to_bytes(runtime, runtime->period_size);
1524 f = PAGE_SIZE;
1525 while ((size + (f >> 1) - 1) <= (f << 7) && (f << 1) > period)
1526 f = f >> 1;
1527 pages = (size + f - 1) / f;
1528 data->size = size;
1529 data->pages = pages;
1530 snd_printdd
1531 ("create sgd size: 0x%x pages %d of size 0x%x for period 0x%x\n",
1532 size, pages, f, period);
1533 pt = 0;
1534 j = 0;
1535 for (i = 0; i < pages; i++) {
1536 c = &data->sgdbuf[i];
1537 if (p)
1538 p->dwNextLink = cpu_to_le32(data->sgdlist.addr +
1539 (i *
1540 sizeof(struct
1541 sgd)));
1542 c->dwNextLink = cpu_to_le32(data->sgdlist.addr);
1543 c->dwSegPtrPhys =
1544 cpu_to_le32(sgbuf->table[j].addr + pt);
1545 pt = (pt + f) % PAGE_SIZE;
1546 if (pt == 0)
1547 j++;
1548 c->dwSegLen = cpu_to_le32(f);
1549 c->dwStat_Ctl =
1550 cpu_to_le32(IEOB_ENABLE | IEOS_ENABLE |
1551 IEOC_ENABLE);
1552 p = c;
1553 size -= f;
1554 }
1555 data->sgdbuf[i].dwSegLen = cpu_to_le32(size);
1556 }
1557 if (lbuspath && lbuspath != data->lbuspath) {
1558 if (data->lbuspath)
1559 freelbuspath(cif, data->source, data->lbuspath);
1560 alloclbuspath(cif, data->source, lbuspath,
1561 &data->mixer, data->intdec);
1562 data->lbuspath = lbuspath;
1563 data->rate = 0;
1564 }
1565 if (data->rate != rate || data->format != format ||
1566 data->channels != channels) {
1567 data->rate = rate;
1568 data->format = format;
1569 data->channels = channels;
1570 if (setsampleformat
1571 (cif, data->mixer, data->id, channels, format)
1572 || setsamplerate(cif, data->intdec, rate))
1573 err = -EIO;
1574 }
1575 spin_unlock_irq(&chip->lock);
1576 return err;
1577 }
1578
1579 static int
1580 snd_riptide_hw_params(struct snd_pcm_substream *substream,
1581 struct snd_pcm_hw_params *hw_params)
1582 {
1583 struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1584 struct pcmhw *data = get_pcmhwdev(substream);
1585 struct snd_dma_buffer *sgdlist = &data->sgdlist;
1586 int err;
1587
1588 snd_printdd("hw params id %d (sgdlist: 0x%p 0x%lx %d)\n", data->id,
1589 sgdlist->area, (unsigned long)sgdlist->addr,
1590 (int)sgdlist->bytes);
1591 if (sgdlist->area)
1592 snd_dma_free_pages(sgdlist);
1593 if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
1594 snd_dma_pci_data(chip->pci),
1595 sizeof(struct sgd) * (DESC_MAX_MASK + 1),
1596 sgdlist)) < 0) {
1597 snd_printk(KERN_ERR "Riptide: failed to alloc %d dma bytes\n",
1598 (int)sizeof(struct sgd) * (DESC_MAX_MASK + 1));
1599 return err;
1600 }
1601 data->sgdbuf = (struct sgd *)sgdlist->area;
1602 return snd_pcm_lib_malloc_pages(substream,
1603 params_buffer_bytes(hw_params));
1604 }
1605
1606 static int snd_riptide_hw_free(struct snd_pcm_substream *substream)
1607 {
1608 struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1609 struct pcmhw *data = get_pcmhwdev(substream);
1610 struct cmdif *cif = chip->cif;
1611
1612 if (cif && data) {
1613 if (data->lbuspath)
1614 freelbuspath(cif, data->source, data->lbuspath);
1615 data->lbuspath = NULL;
1616 data->source = 0xff;
1617 data->intdec[0] = 0xff;
1618 data->intdec[1] = 0xff;
1619
1620 if (data->sgdlist.area) {
1621 snd_dma_free_pages(&data->sgdlist);
1622 data->sgdlist.area = NULL;
1623 }
1624 }
1625 return snd_pcm_lib_free_pages(substream);
1626 }
1627
1628 static int snd_riptide_playback_open(struct snd_pcm_substream *substream)
1629 {
1630 struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1631 struct snd_pcm_runtime *runtime = substream->runtime;
1632 struct pcmhw *data;
1633 int index = substream->number;
1634
1635 chip->playback_substream[index] = substream;
1636 runtime->hw = snd_riptide_playback;
1637 data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1638 data->paths = lbus_play_paths[index];
1639 data->id = play_ids[index];
1640 data->source = play_sources[index];
1641 data->intdec[0] = 0xff;
1642 data->intdec[1] = 0xff;
1643 data->state = ST_STOP;
1644 runtime->private_data = data;
1645 return snd_pcm_hw_constraint_integer(runtime,
1646 SNDRV_PCM_HW_PARAM_PERIODS);
1647 }
1648
1649 static int snd_riptide_capture_open(struct snd_pcm_substream *substream)
1650 {
1651 struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1652 struct snd_pcm_runtime *runtime = substream->runtime;
1653 struct pcmhw *data;
1654
1655 chip->capture_substream = substream;
1656 runtime->hw = snd_riptide_capture;
1657 data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1658 data->paths = lbus_rec_path;
1659 data->id = PADC;
1660 data->source = ACLNK2PADC;
1661 data->intdec[0] = 0xff;
1662 data->intdec[1] = 0xff;
1663 data->state = ST_STOP;
1664 runtime->private_data = data;
1665 return snd_pcm_hw_constraint_integer(runtime,
1666 SNDRV_PCM_HW_PARAM_PERIODS);
1667 }
1668
1669 static int snd_riptide_playback_close(struct snd_pcm_substream *substream)
1670 {
1671 struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1672 struct pcmhw *data = get_pcmhwdev(substream);
1673 int index = substream->number;
1674
1675 substream->runtime->private_data = NULL;
1676 chip->playback_substream[index] = NULL;
1677 kfree(data);
1678 return 0;
1679 }
1680
1681 static int snd_riptide_capture_close(struct snd_pcm_substream *substream)
1682 {
1683 struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1684 struct pcmhw *data = get_pcmhwdev(substream);
1685
1686 substream->runtime->private_data = NULL;
1687 chip->capture_substream = NULL;
1688 kfree(data);
1689 return 0;
1690 }
1691
1692 static struct snd_pcm_ops snd_riptide_playback_ops = {
1693 .open = snd_riptide_playback_open,
1694 .close = snd_riptide_playback_close,
1695 .ioctl = snd_pcm_lib_ioctl,
1696 .hw_params = snd_riptide_hw_params,
1697 .hw_free = snd_riptide_hw_free,
1698 .prepare = snd_riptide_prepare,
1699 .page = snd_pcm_sgbuf_ops_page,
1700 .trigger = snd_riptide_trigger,
1701 .pointer = snd_riptide_pointer,
1702 };
1703 static struct snd_pcm_ops snd_riptide_capture_ops = {
1704 .open = snd_riptide_capture_open,
1705 .close = snd_riptide_capture_close,
1706 .ioctl = snd_pcm_lib_ioctl,
1707 .hw_params = snd_riptide_hw_params,
1708 .hw_free = snd_riptide_hw_free,
1709 .prepare = snd_riptide_prepare,
1710 .page = snd_pcm_sgbuf_ops_page,
1711 .trigger = snd_riptide_trigger,
1712 .pointer = snd_riptide_pointer,
1713 };
1714
1715 static int __devinit
1716 snd_riptide_pcm(struct snd_riptide *chip, int device, struct snd_pcm **rpcm)
1717 {
1718 struct snd_pcm *pcm;
1719 int err;
1720
1721 if (rpcm)
1722 *rpcm = NULL;
1723 if ((err =
1724 snd_pcm_new(chip->card, "RIPTIDE", device, PLAYBACK_SUBSTREAMS, 1,
1725 &pcm)) < 0)
1726 return err;
1727 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1728 &snd_riptide_playback_ops);
1729 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1730 &snd_riptide_capture_ops);
1731 pcm->private_data = chip;
1732 pcm->info_flags = 0;
1733 strcpy(pcm->name, "RIPTIDE");
1734 chip->pcm = pcm;
1735 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1736 snd_dma_pci_data(chip->pci),
1737 64 * 1024, 128 * 1024);
1738 if (rpcm)
1739 *rpcm = pcm;
1740 return 0;
1741 }
1742
1743 static irqreturn_t
1744 snd_riptide_interrupt(int irq, void *dev_id)
1745 {
1746 struct snd_riptide *chip = dev_id;
1747 struct cmdif *cif = chip->cif;
1748
1749 if (cif) {
1750 chip->received_irqs++;
1751 if (IS_EOBIRQ(cif->hwport) || IS_EOSIRQ(cif->hwport) ||
1752 IS_EOCIRQ(cif->hwport)) {
1753 chip->handled_irqs++;
1754 tasklet_hi_schedule(&chip->riptide_tq);
1755 }
1756 if (chip->rmidi && IS_MPUIRQ(cif->hwport)) {
1757 chip->handled_irqs++;
1758 snd_mpu401_uart_interrupt(irq,
1759 chip->rmidi->private_data);
1760 }
1761 SET_AIACK(cif->hwport);
1762 }
1763 return IRQ_HANDLED;
1764 }
1765
1766 static void
1767 snd_riptide_codec_write(struct snd_ac97 *ac97, unsigned short reg,
1768 unsigned short val)
1769 {
1770 struct snd_riptide *chip = ac97->private_data;
1771 struct cmdif *cif = chip->cif;
1772 union cmdret rptr = CMDRET_ZERO;
1773 int i = 0;
1774
1775 snd_assert(cif, return);
1776
1777 snd_printdd("Write AC97 reg 0x%x 0x%x\n", reg, val);
1778 do {
1779 SEND_SACR(cif, val, reg);
1780 SEND_RACR(cif, reg, &rptr);
1781 } while (rptr.retwords[1] != val && i++ < MAX_WRITE_RETRY);
1782 if (i == MAX_WRITE_RETRY)
1783 snd_printdd("Write AC97 reg failed\n");
1784 }
1785
1786 static unsigned short snd_riptide_codec_read(struct snd_ac97 *ac97,
1787 unsigned short reg)
1788 {
1789 struct snd_riptide *chip = ac97->private_data;
1790 struct cmdif *cif = chip->cif;
1791 union cmdret rptr = CMDRET_ZERO;
1792
1793 snd_assert(cif, return 0);
1794
1795 if (SEND_RACR(cif, reg, &rptr) != 0)
1796 SEND_RACR(cif, reg, &rptr);
1797 snd_printdd("Read AC97 reg 0x%x got 0x%x\n", reg, rptr.retwords[1]);
1798 return rptr.retwords[1];
1799 }
1800
1801 static int snd_riptide_initialize(struct snd_riptide *chip)
1802 {
1803 struct cmdif *cif;
1804 unsigned int device_id;
1805 int err;
1806
1807 snd_assert(chip, return -EINVAL);
1808
1809 cif = chip->cif;
1810 if (!cif) {
1811 if ((cif = kzalloc(sizeof(struct cmdif), GFP_KERNEL)) == NULL)
1812 return -ENOMEM;
1813 cif->hwport = (struct riptideport *)chip->port;
1814 spin_lock_init(&cif->lock);
1815 chip->cif = cif;
1816 }
1817 cif->is_reset = 0;
1818 if ((err = riptide_reset(cif, chip)) != 0)
1819 return err;
1820 device_id = chip->device_id;
1821 switch (device_id) {
1822 case 0x4310:
1823 case 0x4320:
1824 case 0x4330:
1825 snd_printdd("Modem enable?\n");
1826 SEND_SETDPLL(cif);
1827 break;
1828 }
1829 snd_printdd("Enabling MPU IRQs\n");
1830 if (chip->rmidi)
1831 SET_EMPUIRQ(cif->hwport);
1832 return err;
1833 }
1834
1835 static int snd_riptide_free(struct snd_riptide *chip)
1836 {
1837 struct cmdif *cif;
1838
1839 snd_assert(chip, return 0);
1840
1841 if ((cif = chip->cif)) {
1842 SET_GRESET(cif->hwport);
1843 udelay(100);
1844 UNSET_GRESET(cif->hwport);
1845 kfree(chip->cif);
1846 }
1847 if (chip->irq >= 0)
1848 free_irq(chip->irq, chip);
1849 if (chip->fw_entry)
1850 release_firmware(chip->fw_entry);
1851 release_and_free_resource(chip->res_port);
1852 kfree(chip);
1853 return 0;
1854 }
1855
1856 static int snd_riptide_dev_free(struct snd_device *device)
1857 {
1858 struct snd_riptide *chip = device->device_data;
1859
1860 return snd_riptide_free(chip);
1861 }
1862
1863 static int __devinit
1864 snd_riptide_create(struct snd_card *card, struct pci_dev *pci,
1865 struct snd_riptide **rchip)
1866 {
1867 struct snd_riptide *chip;
1868 struct riptideport *hwport;
1869 int err;
1870 static struct snd_device_ops ops = {
1871 .dev_free = snd_riptide_dev_free,
1872 };
1873
1874 *rchip = NULL;
1875 if ((err = pci_enable_device(pci)) < 0)
1876 return err;
1877 if (!(chip = kzalloc(sizeof(struct snd_riptide), GFP_KERNEL)))
1878 return -ENOMEM;
1879
1880 spin_lock_init(&chip->lock);
1881 chip->card = card;
1882 chip->pci = pci;
1883 chip->irq = -1;
1884 chip->openstreams = 0;
1885 chip->port = pci_resource_start(pci, 0);
1886 chip->received_irqs = 0;
1887 chip->handled_irqs = 0;
1888 chip->cif = NULL;
1889 tasklet_init(&chip->riptide_tq, riptide_handleirq, (unsigned long)chip);
1890
1891 if ((chip->res_port =
1892 request_region(chip->port, 64, "RIPTIDE")) == NULL) {
1893 snd_printk(KERN_ERR
1894 "Riptide: unable to grab region 0x%lx-0x%lx\n",
1895 chip->port, chip->port + 64 - 1);
1896 snd_riptide_free(chip);
1897 return -EBUSY;
1898 }
1899 hwport = (struct riptideport *)chip->port;
1900 UNSET_AIE(hwport);
1901
1902 if (request_irq(pci->irq, snd_riptide_interrupt, IRQF_SHARED,
1903 "RIPTIDE", chip)) {
1904 snd_printk(KERN_ERR "Riptide: unable to grab IRQ %d\n",
1905 pci->irq);
1906 snd_riptide_free(chip);
1907 return -EBUSY;
1908 }
1909 chip->irq = pci->irq;
1910 chip->device_id = pci->device;
1911 pci_set_master(pci);
1912 if ((err = snd_riptide_initialize(chip)) < 0) {
1913 snd_riptide_free(chip);
1914 return err;
1915 }
1916
1917 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1918 snd_riptide_free(chip);
1919 return err;
1920 }
1921
1922 snd_card_set_dev(card, &pci->dev);
1923
1924 *rchip = chip;
1925 return 0;
1926 }
1927
1928 static void
1929 snd_riptide_proc_read(struct snd_info_entry *entry,
1930 struct snd_info_buffer *buffer)
1931 {
1932 struct snd_riptide *chip = entry->private_data;
1933 struct pcmhw *data;
1934 int i;
1935 struct cmdif *cif = NULL;
1936 unsigned char p[256];
1937 unsigned short rval = 0, lval = 0;
1938 unsigned int rate;
1939
1940 if (!chip)
1941 return;
1942
1943 snd_iprintf(buffer, "%s\n\n", chip->card->longname);
1944 snd_iprintf(buffer, "Device ID: 0x%x\nReceived IRQs: (%ld)%ld\nPorts:",
1945 chip->device_id, chip->handled_irqs, chip->received_irqs);
1946 for (i = 0; i < 64; i += 4)
1947 snd_iprintf(buffer, "%c%02x: %08x",
1948 (i % 16) ? ' ' : '\n', i, inl(chip->port + i));
1949 if ((cif = chip->cif)) {
1950 snd_iprintf(buffer,
1951 "\nVersion: ASIC: %d CODEC: %d AUXDSP: %d PROG: %d",
1952 chip->firmware.firmware.ASIC,
1953 chip->firmware.firmware.CODEC,
1954 chip->firmware.firmware.AUXDSP,
1955 chip->firmware.firmware.PROG);
1956 snd_iprintf(buffer, "\nDigital mixer:");
1957 for (i = 0; i < 12; i++) {
1958 getmixer(cif, i, &rval, &lval);
1959 snd_iprintf(buffer, "\n %d: %d %d", i, rval, lval);
1960 }
1961 snd_iprintf(buffer,
1962 "\nARM Commands num: %d failed: %d time: %d max: %d min: %d",
1963 cif->cmdcnt, cif->errcnt,
1964 cif->cmdtime, cif->cmdtimemax, cif->cmdtimemin);
1965 }
1966 snd_iprintf(buffer, "\nOpen streams %d:\n", chip->openstreams);
1967 for (i = 0; i < PLAYBACK_SUBSTREAMS; i++) {
1968 if (chip->playback_substream[i]
1969 && chip->playback_substream[i]->runtime
1970 && (data =
1971 chip->playback_substream[i]->runtime->private_data)) {
1972 snd_iprintf(buffer,
1973 "stream: %d mixer: %d source: %d (%d,%d)\n",
1974 data->id, data->mixer, data->source,
1975 data->intdec[0], data->intdec[1]);
1976 if (!(getsamplerate(cif, data->intdec, &rate)))
1977 snd_iprintf(buffer, "rate: %d\n", rate);
1978 }
1979 }
1980 if (chip->capture_substream
1981 && chip->capture_substream->runtime
1982 && (data = chip->capture_substream->runtime->private_data)) {
1983 snd_iprintf(buffer,
1984 "stream: %d mixer: %d source: %d (%d,%d)\n",
1985 data->id, data->mixer,
1986 data->source, data->intdec[0], data->intdec[1]);
1987 if (!(getsamplerate(cif, data->intdec, &rate)))
1988 snd_iprintf(buffer, "rate: %d\n", rate);
1989 }
1990 snd_iprintf(buffer, "Paths:\n");
1991 i = getpaths(cif, p);
1992 while (i--) {
1993 snd_iprintf(buffer, "%x->%x ", p[i - 1], p[i]);
1994 i--;
1995 }
1996 snd_iprintf(buffer, "\n");
1997 }
1998
1999 static void __devinit snd_riptide_proc_init(struct snd_riptide *chip)
2000 {
2001 struct snd_info_entry *entry;
2002
2003 if (!snd_card_proc_new(chip->card, "riptide", &entry))
2004 snd_info_set_text_ops(entry, chip, snd_riptide_proc_read);
2005 }
2006
2007 static int __devinit snd_riptide_mixer(struct snd_riptide *chip)
2008 {
2009 struct snd_ac97_bus *pbus;
2010 struct snd_ac97_template ac97;
2011 int err = 0;
2012 static struct snd_ac97_bus_ops ops = {
2013 .write = snd_riptide_codec_write,
2014 .read = snd_riptide_codec_read,
2015 };
2016
2017 memset(&ac97, 0, sizeof(ac97));
2018 ac97.private_data = chip;
2019 ac97.scaps = AC97_SCAP_SKIP_MODEM;
2020
2021 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0)
2022 return err;
2023
2024 chip->ac97_bus = pbus;
2025 ac97.pci = chip->pci;
2026 if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97)) < 0)
2027 return err;
2028 return err;
2029 }
2030
2031 #ifdef SUPPORT_JOYSTICK
2032 static int have_joystick;
2033 static struct pci_dev *riptide_gameport_pci;
2034 static struct gameport *riptide_gameport;
2035
2036 static int __devinit
2037 snd_riptide_joystick_probe(struct pci_dev *pci, const struct pci_device_id *id)
2038 {
2039 static int dev;
2040
2041 if (dev >= SNDRV_CARDS)
2042 return -ENODEV;
2043 if (!enable[dev]) {
2044 dev++;
2045 return -ENOENT;
2046 }
2047
2048 if (joystick_port[dev]) {
2049 riptide_gameport = gameport_allocate_port();
2050 if (riptide_gameport) {
2051 if (!request_region
2052 (joystick_port[dev], 8, "Riptide gameport")) {
2053 snd_printk(KERN_WARNING
2054 "Riptide: cannot grab gameport 0x%x\n",
2055 joystick_port[dev]);
2056 gameport_free_port(riptide_gameport);
2057 riptide_gameport = NULL;
2058 } else {
2059 riptide_gameport_pci = pci;
2060 riptide_gameport->io = joystick_port[dev];
2061 gameport_register_port(riptide_gameport);
2062 }
2063 }
2064 }
2065 dev++;
2066 return 0;
2067 }
2068
2069 static void __devexit snd_riptide_joystick_remove(struct pci_dev *pci)
2070 {
2071 if (riptide_gameport) {
2072 if (riptide_gameport_pci == pci) {
2073 release_region(riptide_gameport->io, 8);
2074 riptide_gameport_pci = NULL;
2075 gameport_unregister_port(riptide_gameport);
2076 riptide_gameport = NULL;
2077 }
2078 }
2079 }
2080 #endif
2081
2082 static int __devinit
2083 snd_card_riptide_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2084 {
2085 static int dev;
2086 struct snd_card *card;
2087 struct snd_riptide *chip;
2088 unsigned short addr;
2089 int err = 0;
2090
2091 if (dev >= SNDRV_CARDS)
2092 return -ENODEV;
2093 if (!enable[dev]) {
2094 dev++;
2095 return -ENOENT;
2096 }
2097
2098 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2099 if (card == NULL)
2100 return -ENOMEM;
2101 if ((err = snd_riptide_create(card, pci, &chip)) < 0) {
2102 snd_card_free(card);
2103 return err;
2104 }
2105 card->private_data = chip;
2106 if ((err = snd_riptide_pcm(chip, 0, NULL)) < 0) {
2107 snd_card_free(card);
2108 return err;
2109 }
2110 if ((err = snd_riptide_mixer(chip)) < 0) {
2111 snd_card_free(card);
2112 return err;
2113 }
2114 pci_write_config_word(chip->pci, PCI_EXT_Legacy_Mask, LEGACY_ENABLE_ALL
2115 | (opl3_port[dev] ? LEGACY_ENABLE_FM : 0)
2116 #ifdef SUPPORT_JOYSTICK
2117 | (joystick_port[dev] ? LEGACY_ENABLE_GAMEPORT :
2118 0)
2119 #endif
2120 | (mpu_port[dev]
2121 ? (LEGACY_ENABLE_MPU_INT | LEGACY_ENABLE_MPU) :
2122 0)
2123 | ((chip->irq << 4) & 0xF0));
2124 if ((addr = mpu_port[dev]) != 0) {
2125 pci_write_config_word(chip->pci, PCI_EXT_MPU_Base, addr);
2126 if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_RIPTIDE,
2127 addr, 0, chip->irq, 0,
2128 &chip->rmidi)) < 0)
2129 snd_printk(KERN_WARNING
2130 "Riptide: Can't Allocate MPU at 0x%x\n",
2131 addr);
2132 else
2133 chip->mpuaddr = addr;
2134 }
2135 if ((addr = opl3_port[dev]) != 0) {
2136 pci_write_config_word(chip->pci, PCI_EXT_FM_Base, addr);
2137 if ((err = snd_opl3_create(card, addr, addr + 2,
2138 OPL3_HW_RIPTIDE, 0,
2139 &chip->opl3)) < 0)
2140 snd_printk(KERN_WARNING
2141 "Riptide: Can't Allocate OPL3 at 0x%x\n",
2142 addr);
2143 else {
2144 chip->opladdr = addr;
2145 if ((err =
2146 snd_opl3_hwdep_new(chip->opl3, 0, 1, NULL)) < 0)
2147 snd_printk(KERN_WARNING
2148 "Riptide: Can't Allocate OPL3-HWDEP\n");
2149 }
2150 }
2151 #ifdef SUPPORT_JOYSTICK
2152 if ((addr = joystick_port[dev]) != 0) {
2153 pci_write_config_word(chip->pci, PCI_EXT_Game_Base, addr);
2154 chip->gameaddr = addr;
2155 }
2156 #endif
2157
2158 strcpy(card->driver, "RIPTIDE");
2159 strcpy(card->shortname, "Riptide");
2160 #ifdef SUPPORT_JOYSTICK
2161 snprintf(card->longname, sizeof(card->longname),
2162 "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x gameport 0x%x",
2163 card->shortname, chip->port, chip->irq, chip->mpuaddr,
2164 chip->opladdr, chip->gameaddr);
2165 #else
2166 snprintf(card->longname, sizeof(card->longname),
2167 "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x",
2168 card->shortname, chip->port, chip->irq, chip->mpuaddr,
2169 chip->opladdr);
2170 #endif
2171 snd_riptide_proc_init(chip);
2172 if ((err = snd_card_register(card)) < 0) {
2173 snd_card_free(card);
2174 return err;
2175 }
2176 pci_set_drvdata(pci, card);
2177 dev++;
2178 return 0;
2179 }
2180
2181 static void __devexit snd_card_riptide_remove(struct pci_dev *pci)
2182 {
2183 snd_card_free(pci_get_drvdata(pci));
2184 pci_set_drvdata(pci, NULL);
2185 }
2186
2187 static struct pci_driver driver = {
2188 .name = "RIPTIDE",
2189 .id_table = snd_riptide_ids,
2190 .probe = snd_card_riptide_probe,
2191 .remove = __devexit_p(snd_card_riptide_remove),
2192 #ifdef CONFIG_PM
2193 .suspend = riptide_suspend,
2194 .resume = riptide_resume,
2195 #endif
2196 };
2197
2198 #ifdef SUPPORT_JOYSTICK
2199 static struct pci_driver joystick_driver = {
2200 .name = "Riptide Joystick",
2201 .id_table = snd_riptide_joystick_ids,
2202 .probe = snd_riptide_joystick_probe,
2203 .remove = __devexit_p(snd_riptide_joystick_remove),
2204 };
2205 #endif
2206
2207 static int __init alsa_card_riptide_init(void)
2208 {
2209 int err;
2210 if ((err = pci_register_driver(&driver)) < 0)
2211 return err;
2212 #if defined(SUPPORT_JOYSTICK)
2213 if (pci_register_driver(&joystick_driver) < 0) {
2214 have_joystick = 0;
2215 snd_printk(KERN_INFO "no joystick found\n");
2216 } else
2217 have_joystick = 1;
2218 #endif
2219 return 0;
2220 }
2221
2222 static void __exit alsa_card_riptide_exit(void)
2223 {
2224 pci_unregister_driver(&driver);
2225 #if defined(SUPPORT_JOYSTICK)
2226 if (have_joystick)
2227 pci_unregister_driver(&joystick_driver);
2228 #endif
2229 }
2230
2231 module_init(alsa_card_riptide_init);
2232 module_exit(alsa_card_riptide_exit);
WRT350N Kernel Patches