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GUI: Fix Tomato RAF theme for all builds. Compilation typo.
[tomato.git] / release / src-rt-6.x.4708 / linux / linux-2.6.36 / sound / pci / riptide / riptide.c
blobad5202efd7a9e270523cc517e487c6e1997027e3
1 /*
2 * Driver for the Conexant Riptide Soundchip
3 *
4 * Copyright (c) 2004 Peter Gruber <nokos@gmx.net>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 *
20 */
21 /*
22 History:
23 - 02/15/2004 first release
24
25 This Driver is based on the OSS Driver version from Linuxant (riptide-0.6lnxtbeta03111100)
26 credits from the original files:
27
28 MODULE NAME: cnxt_rt.h
29 AUTHOR: K. Lazarev (Transcribed by KNL)
30 HISTORY: Major Revision Date By
31 ----------------------------- -------- -----
32 Created 02/1/2000 KNL
33
34 MODULE NAME: int_mdl.c
35 AUTHOR: Konstantin Lazarev (Transcribed by KNL)
36 HISTORY: Major Revision Date By
37 ----------------------------- -------- -----
38 Created 10/01/99 KNL
39
40 MODULE NAME: riptide.h
41 AUTHOR: O. Druzhinin (Transcribed by OLD)
42 HISTORY: Major Revision Date By
43 ----------------------------- -------- -----
44 Created 10/16/97 OLD
45
46 MODULE NAME: Rp_Cmdif.cpp
47 AUTHOR: O. Druzhinin (Transcribed by OLD)
48 K. Lazarev (Transcribed by KNL)
49 HISTORY: Major Revision Date By
50 ----------------------------- -------- -----
51 Adopted from NT4 driver 6/22/99 OLD
52 Ported to Linux 9/01/99 KNL
53
54 MODULE NAME: rt_hw.c
55 AUTHOR: O. Druzhinin (Transcribed by OLD)
56 C. Lazarev (Transcribed by CNL)
57 HISTORY: Major Revision Date By
58 ----------------------------- -------- -----
59 Created 11/18/97 OLD
60 Hardware functions for RipTide 11/24/97 CNL
61 (ES1) are coded
62 Hardware functions for RipTide 12/24/97 CNL
63 (A0) are coded
64 Hardware functions for RipTide 03/20/98 CNL
65 (A1) are coded
66 Boot loader is included 05/07/98 CNL
67 Redesigned for WDM 07/27/98 CNL
68 Redesigned for Linux 09/01/99 CNL
69
70 MODULE NAME: rt_hw.h
71 AUTHOR: C. Lazarev (Transcribed by CNL)
72 HISTORY: Major Revision Date By
73 ----------------------------- -------- -----
74 Created 11/18/97 CNL
75
76 MODULE NAME: rt_mdl.c
77 AUTHOR: Konstantin Lazarev (Transcribed by KNL)
78 HISTORY: Major Revision Date By
79 ----------------------------- -------- -----
80 Created 10/01/99 KNL
81
82 MODULE NAME: mixer.h
83 AUTHOR: K. Kenney
84 HISTORY: Major Revision Date By
85 ----------------------------- -------- -----
86 Created from MS W95 Sample 11/28/95 KRS
87 RipTide 10/15/97 KRS
88 Adopted for Windows NT driver 01/20/98 CNL
89 */
90
91 #include <linux/delay.h>
92 #include <linux/init.h>
93 #include <linux/interrupt.h>
94 #include <linux/pci.h>
95 #include <linux/slab.h>
96 #include <linux/wait.h>
97 #include <linux/gameport.h>
98 #include <linux/device.h>
99 #include <linux/firmware.h>
100 #include <linux/kernel.h>
101 #include <asm/io.h>
102 #include <sound/core.h>
103 #include <sound/info.h>
104 #include <sound/control.h>
105 #include <sound/pcm.h>
106 #include <sound/pcm_params.h>
107 #include <sound/ac97_codec.h>
108 #include <sound/mpu401.h>
109 #include <sound/opl3.h>
110 #include <sound/initval.h>
111
112 #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
113 #define SUPPORT_JOYSTICK 1
114 #endif
115
116 MODULE_AUTHOR("Peter Gruber <nokos@gmx.net>");
117 MODULE_DESCRIPTION("riptide");
118 MODULE_LICENSE("GPL");
119 MODULE_SUPPORTED_DEVICE("{{Conexant,Riptide}}");
120 MODULE_FIRMWARE("riptide.hex");
121
122 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
123 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
124 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
125
126 #ifdef SUPPORT_JOYSTICK
127 static int joystick_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x200 };
128 #endif
129 static int mpu_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x330 };
130 static int opl3_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x388 };
131
132 module_param_array(index, int, NULL, 0444);
133 MODULE_PARM_DESC(index, "Index value for Riptide soundcard.");
134 module_param_array(id, charp, NULL, 0444);
135 MODULE_PARM_DESC(id, "ID string for Riptide soundcard.");
136 module_param_array(enable, bool, NULL, 0444);
137 MODULE_PARM_DESC(enable, "Enable Riptide soundcard.");
138 #ifdef SUPPORT_JOYSTICK
139 module_param_array(joystick_port, int, NULL, 0444);
140 MODULE_PARM_DESC(joystick_port, "Joystick port # for Riptide soundcard.");
141 #endif
142 module_param_array(mpu_port, int, NULL, 0444);
143 MODULE_PARM_DESC(mpu_port, "MPU401 port # for Riptide driver.");
144 module_param_array(opl3_port, int, NULL, 0444);
145 MODULE_PARM_DESC(opl3_port, "OPL3 port # for Riptide driver.");
146
147 /*
148 */
149
150 #define MPU401_HW_RIPTIDE MPU401_HW_MPU401
151 #define OPL3_HW_RIPTIDE OPL3_HW_OPL3
152
153 #define PCI_EXT_CapId 0x40
154 #define PCI_EXT_NextCapPrt 0x41
155 #define PCI_EXT_PWMC 0x42
156 #define PCI_EXT_PWSCR 0x44
157 #define PCI_EXT_Data00 0x46
158 #define PCI_EXT_PMSCR_BSE 0x47
159 #define PCI_EXT_SB_Base 0x48
160 #define PCI_EXT_FM_Base 0x4a
161 #define PCI_EXT_MPU_Base 0x4C
162 #define PCI_EXT_Game_Base 0x4E
163 #define PCI_EXT_Legacy_Mask 0x50
164 #define PCI_EXT_AsicRev 0x52
165 #define PCI_EXT_Reserved3 0x53
166
167 #define LEGACY_ENABLE_ALL 0x8000 /* legacy device options */
168 #define LEGACY_ENABLE_SB 0x4000
169 #define LEGACY_ENABLE_FM 0x2000
170 #define LEGACY_ENABLE_MPU_INT 0x1000
171 #define LEGACY_ENABLE_MPU 0x0800
172 #define LEGACY_ENABLE_GAMEPORT 0x0400
173
174 #define MAX_WRITE_RETRY 10 /* cmd interface limits */
175 #define MAX_ERROR_COUNT 10
176 #define CMDIF_TIMEOUT 50000
177 #define RESET_TRIES 5
178
179 #define READ_PORT_ULONG(p) inl((unsigned long)&(p))
180 #define WRITE_PORT_ULONG(p,x) outl(x,(unsigned long)&(p))
181
182 #define READ_AUDIO_CONTROL(p) READ_PORT_ULONG(p->audio_control)
183 #define WRITE_AUDIO_CONTROL(p,x) WRITE_PORT_ULONG(p->audio_control,x)
184 #define UMASK_AUDIO_CONTROL(p,x) WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)|x)
185 #define MASK_AUDIO_CONTROL(p,x) WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)&x)
186 #define READ_AUDIO_STATUS(p) READ_PORT_ULONG(p->audio_status)
187
188 #define SET_GRESET(p) UMASK_AUDIO_CONTROL(p,0x0001) /* global reset switch */
189 #define UNSET_GRESET(p) MASK_AUDIO_CONTROL(p,~0x0001)
190 #define SET_AIE(p) UMASK_AUDIO_CONTROL(p,0x0004) /* interrupt enable */
191 #define UNSET_AIE(p) MASK_AUDIO_CONTROL(p,~0x0004)
192 #define SET_AIACK(p) UMASK_AUDIO_CONTROL(p,0x0008) /* interrupt acknowledge */
193 #define UNSET_AIACKT(p) MASKAUDIO_CONTROL(p,~0x0008)
194 #define SET_ECMDAE(p) UMASK_AUDIO_CONTROL(p,0x0010)
195 #define UNSET_ECMDAE(p) MASK_AUDIO_CONTROL(p,~0x0010)
196 #define SET_ECMDBE(p) UMASK_AUDIO_CONTROL(p,0x0020)
197 #define UNSET_ECMDBE(p) MASK_AUDIO_CONTROL(p,~0x0020)
198 #define SET_EDATAF(p) UMASK_AUDIO_CONTROL(p,0x0040)
199 #define UNSET_EDATAF(p) MASK_AUDIO_CONTROL(p,~0x0040)
200 #define SET_EDATBF(p) UMASK_AUDIO_CONTROL(p,0x0080)
201 #define UNSET_EDATBF(p) MASK_AUDIO_CONTROL(p,~0x0080)
202 #define SET_ESBIRQON(p) UMASK_AUDIO_CONTROL(p,0x0100)
203 #define UNSET_ESBIRQON(p) MASK_AUDIO_CONTROL(p,~0x0100)
204 #define SET_EMPUIRQ(p) UMASK_AUDIO_CONTROL(p,0x0200)
205 #define UNSET_EMPUIRQ(p) MASK_AUDIO_CONTROL(p,~0x0200)
206 #define IS_CMDE(a) (READ_PORT_ULONG(a->stat)&0x1) /* cmd empty */
207 #define IS_DATF(a) (READ_PORT_ULONG(a->stat)&0x2) /* data filled */
208 #define IS_READY(p) (READ_AUDIO_STATUS(p)&0x0001)
209 #define IS_DLREADY(p) (READ_AUDIO_STATUS(p)&0x0002)
210 #define IS_DLERR(p) (READ_AUDIO_STATUS(p)&0x0004)
211 #define IS_GERR(p) (READ_AUDIO_STATUS(p)&0x0008) /* error ! */
212 #define IS_CMDAEIRQ(p) (READ_AUDIO_STATUS(p)&0x0010)
213 #define IS_CMDBEIRQ(p) (READ_AUDIO_STATUS(p)&0x0020)
214 #define IS_DATAFIRQ(p) (READ_AUDIO_STATUS(p)&0x0040)
215 #define IS_DATBFIRQ(p) (READ_AUDIO_STATUS(p)&0x0080)
216 #define IS_EOBIRQ(p) (READ_AUDIO_STATUS(p)&0x0100) /* interrupt status */
217 #define IS_EOSIRQ(p) (READ_AUDIO_STATUS(p)&0x0200)
218 #define IS_EOCIRQ(p) (READ_AUDIO_STATUS(p)&0x0400)
219 #define IS_UNSLIRQ(p) (READ_AUDIO_STATUS(p)&0x0800)
220 #define IS_SBIRQ(p) (READ_AUDIO_STATUS(p)&0x1000)
221 #define IS_MPUIRQ(p) (READ_AUDIO_STATUS(p)&0x2000)
222
223 #define RESP 0x00000001 /* command flags */
224 #define PARM 0x00000002
225 #define CMDA 0x00000004
226 #define CMDB 0x00000008
227 #define NILL 0x00000000
228
229 #define LONG0(a) ((u32)a) /* shifts and masks */
230 #define BYTE0(a) (LONG0(a)&0xff)
231 #define BYTE1(a) (BYTE0(a)<<8)
232 #define BYTE2(a) (BYTE0(a)<<16)
233 #define BYTE3(a) (BYTE0(a)<<24)
234 #define WORD0(a) (LONG0(a)&0xffff)
235 #define WORD1(a) (WORD0(a)<<8)
236 #define WORD2(a) (WORD0(a)<<16)
237 #define TRINIB0(a) (LONG0(a)&0xffffff)
238 #define TRINIB1(a) (TRINIB0(a)<<8)
239
240 #define RET(a) ((union cmdret *)(a))
241
242 #define SEND_GETV(p,b) sendcmd(p,RESP,GETV,0,RET(b)) /* get version */
243 #define SEND_GETC(p,b,c) sendcmd(p,PARM|RESP,GETC,c,RET(b))
244 #define SEND_GUNS(p,b) sendcmd(p,RESP,GUNS,0,RET(b))
245 #define SEND_SCID(p,b) sendcmd(p,RESP,SCID,0,RET(b))
246 #define SEND_RMEM(p,b,c,d) sendcmd(p,PARM|RESP,RMEM|BYTE1(b),LONG0(c),RET(d)) /* memory access for firmware write */
247 #define SEND_SMEM(p,b,c) sendcmd(p,PARM,SMEM|BYTE1(b),LONG0(c),RET(0)) /* memory access for firmware write */
248 #define SEND_WMEM(p,b,c) sendcmd(p,PARM,WMEM|BYTE1(b),LONG0(c),RET(0)) /* memory access for firmware write */
249 #define SEND_SDTM(p,b,c) sendcmd(p,PARM|RESP,SDTM|TRINIB1(b),0,RET(c)) /* memory access for firmware write */
250 #define SEND_GOTO(p,b) sendcmd(p,PARM,GOTO,LONG0(b),RET(0)) /* memory access for firmware write */
251 #define SEND_SETDPLL(p) sendcmd(p,0,ARM_SETDPLL,0,RET(0))
252 #define SEND_SSTR(p,b,c) sendcmd(p,PARM,SSTR|BYTE3(b),LONG0(c),RET(0)) /* start stream */
253 #define SEND_PSTR(p,b) sendcmd(p,PARM,PSTR,BYTE3(b),RET(0)) /* pause stream */
254 #define SEND_KSTR(p,b) sendcmd(p,PARM,KSTR,BYTE3(b),RET(0)) /* stop stream */
255 #define SEND_KDMA(p) sendcmd(p,0,KDMA,0,RET(0)) /* stop all dma */
256 #define SEND_GPOS(p,b,c,d) sendcmd(p,PARM|RESP,GPOS,BYTE3(c)|BYTE2(b),RET(d)) /* get position in dma */
257 #define SEND_SETF(p,b,c,d,e,f,g) sendcmd(p,PARM,SETF|WORD1(b)|BYTE3(c),d|BYTE1(e)|BYTE2(f)|BYTE3(g),RET(0)) /* set sample format at mixer */
258 #define SEND_GSTS(p,b,c,d) sendcmd(p,PARM|RESP,GSTS,BYTE3(c)|BYTE2(b),RET(d))
259 #define SEND_NGPOS(p,b,c,d) sendcmd(p,PARM|RESP,NGPOS,BYTE3(c)|BYTE2(b),RET(d))
260 #define SEND_PSEL(p,b,c) sendcmd(p,PARM,PSEL,BYTE2(b)|BYTE3(c),RET(0)) /* activate lbus path */
261 #define SEND_PCLR(p,b,c) sendcmd(p,PARM,PCLR,BYTE2(b)|BYTE3(c),RET(0)) /* deactivate lbus path */
262 #define SEND_PLST(p,b) sendcmd(p,PARM,PLST,BYTE3(b),RET(0))
263 #define SEND_RSSV(p,b,c,d) sendcmd(p,PARM|RESP,RSSV,BYTE2(b)|BYTE3(c),RET(d))
264 #define SEND_LSEL(p,b,c,d,e,f,g,h) sendcmd(p,PARM,LSEL|BYTE1(b)|BYTE2(c)|BYTE3(d),BYTE0(e)|BYTE1(f)|BYTE2(g)|BYTE3(h),RET(0)) /* select paths for internal connections */
265 #define SEND_SSRC(p,b,c,d,e) sendcmd(p,PARM,SSRC|BYTE1(b)|WORD2(c),WORD0(d)|WORD2(e),RET(0)) /* configure source */
266 #define SEND_SLST(p,b) sendcmd(p,PARM,SLST,BYTE3(b),RET(0))
267 #define SEND_RSRC(p,b,c) sendcmd(p,RESP,RSRC|BYTE1(b),0,RET(c)) /* read source config */
268 #define SEND_SSRB(p,b,c) sendcmd(p,PARM,SSRB|BYTE1(b),WORD2(c),RET(0))
269 #define SEND_SDGV(p,b,c,d,e) sendcmd(p,PARM,SDGV|BYTE2(b)|BYTE3(c),WORD0(d)|WORD2(e),RET(0)) /* set digital mixer */
270 #define SEND_RDGV(p,b,c,d) sendcmd(p,PARM|RESP,RDGV|BYTE2(b)|BYTE3(c),0,RET(d)) /* read digital mixer */
271 #define SEND_DLST(p,b) sendcmd(p,PARM,DLST,BYTE3(b),RET(0))
272 #define SEND_SACR(p,b,c) sendcmd(p,PARM,SACR,WORD0(b)|WORD2(c),RET(0)) /* set AC97 register */
273 #define SEND_RACR(p,b,c) sendcmd(p,PARM|RESP,RACR,WORD2(b),RET(c)) /* get AC97 register */
274 #define SEND_ALST(p,b) sendcmd(p,PARM,ALST,BYTE3(b),RET(0))
275 #define SEND_TXAC(p,b,c,d,e,f) sendcmd(p,PARM,TXAC|BYTE1(b)|WORD2(c),WORD0(d)|BYTE2(e)|BYTE3(f),RET(0))
276 #define SEND_RXAC(p,b,c,d) sendcmd(p,PARM|RESP,RXAC,BYTE2(b)|BYTE3(c),RET(d))
277 #define SEND_SI2S(p,b) sendcmd(p,PARM,SI2S,WORD2(b),RET(0))
278
279 #define EOB_STATUS 0x80000000 /* status flags : block boundary */
280 #define EOS_STATUS 0x40000000 /* : stoppped */
281 #define EOC_STATUS 0x20000000 /* : stream end */
282 #define ERR_STATUS 0x10000000
283 #define EMPTY_STATUS 0x08000000
284
285 #define IEOB_ENABLE 0x1 /* enable interrupts for status notification above */
286 #define IEOS_ENABLE 0x2
287 #define IEOC_ENABLE 0x4
288 #define RDONCE 0x8
289 #define DESC_MAX_MASK 0xff
290
291 #define ST_PLAY 0x1 /* stream states */
292 #define ST_STOP 0x2
293 #define ST_PAUSE 0x4
294
295 #define I2S_INTDEC 3 /* config for I2S link */
296 #define I2S_MERGER 0
297 #define I2S_SPLITTER 0
298 #define I2S_MIXER 7
299 #define I2S_RATE 44100
300
301 #define MODEM_INTDEC 4 /* config for modem link */
302 #define MODEM_MERGER 3
303 #define MODEM_SPLITTER 0
304 #define MODEM_MIXER 11
305
306 #define FM_INTDEC 3 /* config for FM/OPL3 link */
307 #define FM_MERGER 0
308 #define FM_SPLITTER 0
309 #define FM_MIXER 9
310
311 #define SPLIT_PATH 0x80 /* path splitting flag */
312
313 enum FIRMWARE {
314 DATA_REC = 0, EXT_END_OF_FILE, EXT_SEG_ADDR_REC, EXT_GOTO_CMD_REC,
315 EXT_LIN_ADDR_REC,
316 };
317
318 enum CMDS {
319 GETV = 0x00, GETC, GUNS, SCID, RMEM =
320 0x10, SMEM, WMEM, SDTM, GOTO, SSTR =
321 0x20, PSTR, KSTR, KDMA, GPOS, SETF, GSTS, NGPOS, PSEL =
322 0x30, PCLR, PLST, RSSV, LSEL, SSRC = 0x40, SLST, RSRC, SSRB, SDGV =
323 0x50, RDGV, DLST, SACR = 0x60, RACR, ALST, TXAC, RXAC, SI2S =
324 0x70, ARM_SETDPLL = 0x72,
325 };
326
327 enum E1SOURCE {
328 ARM2LBUS_FIFO0 = 0, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2, ARM2LBUS_FIFO3,
329 ARM2LBUS_FIFO4, ARM2LBUS_FIFO5, ARM2LBUS_FIFO6, ARM2LBUS_FIFO7,
330 ARM2LBUS_FIFO8, ARM2LBUS_FIFO9, ARM2LBUS_FIFO10, ARM2LBUS_FIFO11,
331 ARM2LBUS_FIFO12, ARM2LBUS_FIFO13, ARM2LBUS_FIFO14, ARM2LBUS_FIFO15,
332 INTER0_OUT, INTER1_OUT, INTER2_OUT, INTER3_OUT, INTER4_OUT,
333 INTERM0_OUT, INTERM1_OUT, INTERM2_OUT, INTERM3_OUT, INTERM4_OUT,
334 INTERM5_OUT, INTERM6_OUT, DECIMM0_OUT, DECIMM1_OUT, DECIMM2_OUT,
335 DECIMM3_OUT, DECIM0_OUT, SR3_4_OUT, OPL3_SAMPLE, ASRC0, ASRC1,
336 ACLNK2PADC, ACLNK2MODEM0RX, ACLNK2MIC, ACLNK2MODEM1RX, ACLNK2HNDMIC,
337 DIGITAL_MIXER_OUT0, GAINFUNC0_OUT, GAINFUNC1_OUT, GAINFUNC2_OUT,
338 GAINFUNC3_OUT, GAINFUNC4_OUT, SOFTMODEMTX, SPLITTER0_OUTL,
339 SPLITTER0_OUTR, SPLITTER1_OUTL, SPLITTER1_OUTR, SPLITTER2_OUTL,
340 SPLITTER2_OUTR, SPLITTER3_OUTL, SPLITTER3_OUTR, MERGER0_OUT,
341 MERGER1_OUT, MERGER2_OUT, MERGER3_OUT, ARM2LBUS_FIFO_DIRECT, NO_OUT
342 };
343
344 enum E2SINK {
345 LBUS2ARM_FIFO0 = 0, LBUS2ARM_FIFO1, LBUS2ARM_FIFO2, LBUS2ARM_FIFO3,
346 LBUS2ARM_FIFO4, LBUS2ARM_FIFO5, LBUS2ARM_FIFO6, LBUS2ARM_FIFO7,
347 INTER0_IN, INTER1_IN, INTER2_IN, INTER3_IN, INTER4_IN, INTERM0_IN,
348 INTERM1_IN, INTERM2_IN, INTERM3_IN, INTERM4_IN, INTERM5_IN, INTERM6_IN,
349 DECIMM0_IN, DECIMM1_IN, DECIMM2_IN, DECIMM3_IN, DECIM0_IN, SR3_4_IN,
350 PDAC2ACLNK, MODEM0TX2ACLNK, MODEM1TX2ACLNK, HNDSPK2ACLNK,
351 DIGITAL_MIXER_IN0, DIGITAL_MIXER_IN1, DIGITAL_MIXER_IN2,
352 DIGITAL_MIXER_IN3, DIGITAL_MIXER_IN4, DIGITAL_MIXER_IN5,
353 DIGITAL_MIXER_IN6, DIGITAL_MIXER_IN7, DIGITAL_MIXER_IN8,
354 DIGITAL_MIXER_IN9, DIGITAL_MIXER_IN10, DIGITAL_MIXER_IN11,
355 GAINFUNC0_IN, GAINFUNC1_IN, GAINFUNC2_IN, GAINFUNC3_IN, GAINFUNC4_IN,
356 SOFTMODEMRX, SPLITTER0_IN, SPLITTER1_IN, SPLITTER2_IN, SPLITTER3_IN,
357 MERGER0_INL, MERGER0_INR, MERGER1_INL, MERGER1_INR, MERGER2_INL,
358 MERGER2_INR, MERGER3_INL, MERGER3_INR, E2SINK_MAX
359 };
360
361 enum LBUS_SINK {
362 LS_SRC_INTERPOLATOR = 0, LS_SRC_INTERPOLATORM, LS_SRC_DECIMATOR,
363 LS_SRC_DECIMATORM, LS_MIXER_IN, LS_MIXER_GAIN_FUNCTION,
364 LS_SRC_SPLITTER, LS_SRC_MERGER, LS_NONE1, LS_NONE2,
365 };
366
367 enum RT_CHANNEL_IDS {
368 M0TX = 0, M1TX, TAMTX, HSSPKR, PDAC, DSNDTX0, DSNDTX1, DSNDTX2,
369 DSNDTX3, DSNDTX4, DSNDTX5, DSNDTX6, DSNDTX7, WVSTRTX, COP3DTX, SPARE,
370 M0RX, HSMIC, M1RX, CLEANRX, MICADC, PADC, COPRX1, COPRX2,
371 CHANNEL_ID_COUNTER
372 };
373
374 enum { SB_CMD = 0, MODEM_CMD, I2S_CMD0, I2S_CMD1, FM_CMD, MAX_CMD };
375
376 struct lbuspath {
377 unsigned char *noconv;
378 unsigned char *stereo;
379 unsigned char *mono;
380 };
381
382 struct cmdport {
383 u32 data1; /* cmd,param */
384 u32 data2; /* param */
385 u32 stat; /* status */
386 u32 pad[5];
387 };
388
389 struct riptideport {
390 u32 audio_control; /* status registers */
391 u32 audio_status;
392 u32 pad[2];
393 struct cmdport port[2]; /* command ports */
394 };
395
396 struct cmdif {
397 struct riptideport *hwport;
398 spinlock_t lock;
399 unsigned int cmdcnt; /* cmd statistics */
400 unsigned int cmdtime;
401 unsigned int cmdtimemax;
402 unsigned int cmdtimemin;
403 unsigned int errcnt;
404 int is_reset;
405 };
406
407 struct riptide_firmware {
408 u16 ASIC;
409 u16 CODEC;
410 u16 AUXDSP;
411 u16 PROG;
412 };
413
414 union cmdret {
415 u8 retbytes[8];
416 u16 retwords[4];
417 u32 retlongs[2];
418 };
419
420 union firmware_version {
421 union cmdret ret;
422 struct riptide_firmware firmware;
423 };
424
425 #define get_pcmhwdev(substream) (struct pcmhw *)(substream->runtime->private_data)
426
427 #define PLAYBACK_SUBSTREAMS 3
428 struct snd_riptide {
429 struct snd_card *card;
430 struct pci_dev *pci;
431 const struct firmware *fw_entry;
432
433 struct cmdif *cif;
434
435 struct snd_pcm *pcm;
436 struct snd_pcm *pcm_i2s;
437 struct snd_rawmidi *rmidi;
438 struct snd_opl3 *opl3;
439 struct snd_ac97 *ac97;
440 struct snd_ac97_bus *ac97_bus;
441
442 struct snd_pcm_substream *playback_substream[PLAYBACK_SUBSTREAMS];
443 struct snd_pcm_substream *capture_substream;
444
445 int openstreams;
446
447 int irq;
448 unsigned long port;
449 unsigned short mpuaddr;
450 unsigned short opladdr;
451 #ifdef SUPPORT_JOYSTICK
452 unsigned short gameaddr;
453 #endif
454 struct resource *res_port;
455
456 unsigned short device_id;
457
458 union firmware_version firmware;
459
460 spinlock_t lock;
461 struct tasklet_struct riptide_tq;
462 struct snd_info_entry *proc_entry;
463
464 unsigned long received_irqs;
465 unsigned long handled_irqs;
466 #ifdef CONFIG_PM
467 int in_suspend;
468 #endif
469 };
470
471 struct sgd { /* scatter gather desriptor */
472 u32 dwNextLink;
473 u32 dwSegPtrPhys;
474 u32 dwSegLen;
475 u32 dwStat_Ctl;
476 };
477
478 struct pcmhw { /* pcm descriptor */
479 struct lbuspath paths;
480 unsigned char *lbuspath;
481 unsigned char source;
482 unsigned char intdec[2];
483 unsigned char mixer;
484 unsigned char id;
485 unsigned char state;
486 unsigned int rate;
487 unsigned int channels;
488 snd_pcm_format_t format;
489 struct snd_dma_buffer sgdlist;
490 struct sgd *sgdbuf;
491 unsigned int size;
492 unsigned int pages;
493 unsigned int oldpos;
494 unsigned int pointer;
495 };
496
497 #define CMDRET_ZERO (union cmdret){{(u32)0, (u32) 0}}
498
499 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
500 union cmdret *ret);
501 static int getsourcesink(struct cmdif *cif, unsigned char source,
502 unsigned char sink, unsigned char *a,
503 unsigned char *b);
504 static int snd_riptide_initialize(struct snd_riptide *chip);
505 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip);
506
507 /*
508 */
509
510 static DEFINE_PCI_DEVICE_TABLE(snd_riptide_ids) = {
511 { PCI_DEVICE(0x127a, 0x4310) },
512 { PCI_DEVICE(0x127a, 0x4320) },
513 { PCI_DEVICE(0x127a, 0x4330) },
514 { PCI_DEVICE(0x127a, 0x4340) },
515 {0,},
516 };
517
518 #ifdef SUPPORT_JOYSTICK
519 static DEFINE_PCI_DEVICE_TABLE(snd_riptide_joystick_ids) = {
520 { PCI_DEVICE(0x127a, 0x4312) },
521 { PCI_DEVICE(0x127a, 0x4322) },
522 { PCI_DEVICE(0x127a, 0x4332) },
523 { PCI_DEVICE(0x127a, 0x4342) },
524 {0,},
525 };
526 #endif
527
528 MODULE_DEVICE_TABLE(pci, snd_riptide_ids);
529
530 /*
531 */
532
533 static unsigned char lbusin2out[E2SINK_MAX + 1][2] = {
534 {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
535 LS_NONE2},
536 {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT,
537 LS_NONE2},
538 {INTER0_OUT, LS_SRC_INTERPOLATOR}, {INTER1_OUT, LS_SRC_INTERPOLATOR},
539 {INTER2_OUT, LS_SRC_INTERPOLATOR}, {INTER3_OUT, LS_SRC_INTERPOLATOR},
540 {INTER4_OUT, LS_SRC_INTERPOLATOR}, {INTERM0_OUT, LS_SRC_INTERPOLATORM},
541 {INTERM1_OUT, LS_SRC_INTERPOLATORM}, {INTERM2_OUT,
542 LS_SRC_INTERPOLATORM},
543 {INTERM3_OUT, LS_SRC_INTERPOLATORM}, {INTERM4_OUT,
544 LS_SRC_INTERPOLATORM},
545 {INTERM5_OUT, LS_SRC_INTERPOLATORM}, {INTERM6_OUT,
546 LS_SRC_INTERPOLATORM},
547 {DECIMM0_OUT, LS_SRC_DECIMATORM}, {DECIMM1_OUT, LS_SRC_DECIMATORM},
548 {DECIMM2_OUT, LS_SRC_DECIMATORM}, {DECIMM3_OUT, LS_SRC_DECIMATORM},
549 {DECIM0_OUT, LS_SRC_DECIMATOR}, {SR3_4_OUT, LS_NONE1}, {NO_OUT,
550 LS_NONE2},
551 {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1},
552 {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
553 {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
554 {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
555 {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
556 {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
557 {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN},
558 {GAINFUNC0_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC1_OUT,
559 LS_MIXER_GAIN_FUNCTION},
560 {GAINFUNC2_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC3_OUT,
561 LS_MIXER_GAIN_FUNCTION},
562 {GAINFUNC4_OUT, LS_MIXER_GAIN_FUNCTION}, {SOFTMODEMTX, LS_NONE1},
563 {SPLITTER0_OUTL, LS_SRC_SPLITTER}, {SPLITTER1_OUTL, LS_SRC_SPLITTER},
564 {SPLITTER2_OUTL, LS_SRC_SPLITTER}, {SPLITTER3_OUTL, LS_SRC_SPLITTER},
565 {MERGER0_OUT, LS_SRC_MERGER}, {MERGER0_OUT, LS_SRC_MERGER},
566 {MERGER1_OUT, LS_SRC_MERGER},
567 {MERGER1_OUT, LS_SRC_MERGER}, {MERGER2_OUT, LS_SRC_MERGER},
568 {MERGER2_OUT, LS_SRC_MERGER},
569 {MERGER3_OUT, LS_SRC_MERGER}, {MERGER3_OUT, LS_SRC_MERGER}, {NO_OUT,
570 LS_NONE2},
571 };
572
573 static unsigned char lbus_play_opl3[] = {
574 DIGITAL_MIXER_IN0 + FM_MIXER, 0xff
575 };
576 static unsigned char lbus_play_modem[] = {
577 DIGITAL_MIXER_IN0 + MODEM_MIXER, 0xff
578 };
579 static unsigned char lbus_play_i2s[] = {
580 INTER0_IN + I2S_INTDEC, DIGITAL_MIXER_IN0 + I2S_MIXER, 0xff
581 };
582 static unsigned char lbus_play_out[] = {
583 PDAC2ACLNK, 0xff
584 };
585 static unsigned char lbus_play_outhp[] = {
586 HNDSPK2ACLNK, 0xff
587 };
588 static unsigned char lbus_play_noconv1[] = {
589 DIGITAL_MIXER_IN0, 0xff
590 };
591 static unsigned char lbus_play_stereo1[] = {
592 INTER0_IN, DIGITAL_MIXER_IN0, 0xff
593 };
594 static unsigned char lbus_play_mono1[] = {
595 INTERM0_IN, DIGITAL_MIXER_IN0, 0xff
596 };
597 static unsigned char lbus_play_noconv2[] = {
598 DIGITAL_MIXER_IN1, 0xff
599 };
600 static unsigned char lbus_play_stereo2[] = {
601 INTER1_IN, DIGITAL_MIXER_IN1, 0xff
602 };
603 static unsigned char lbus_play_mono2[] = {
604 INTERM1_IN, DIGITAL_MIXER_IN1, 0xff
605 };
606 static unsigned char lbus_play_noconv3[] = {
607 DIGITAL_MIXER_IN2, 0xff
608 };
609 static unsigned char lbus_play_stereo3[] = {
610 INTER2_IN, DIGITAL_MIXER_IN2, 0xff
611 };
612 static unsigned char lbus_play_mono3[] = {
613 INTERM2_IN, DIGITAL_MIXER_IN2, 0xff
614 };
615 static unsigned char lbus_rec_noconv1[] = {
616 LBUS2ARM_FIFO5, 0xff
617 };
618 static unsigned char lbus_rec_stereo1[] = {
619 DECIM0_IN, LBUS2ARM_FIFO5, 0xff
620 };
621 static unsigned char lbus_rec_mono1[] = {
622 DECIMM3_IN, LBUS2ARM_FIFO5, 0xff
623 };
624
625 static unsigned char play_ids[] = { 4, 1, 2, };
626 static unsigned char play_sources[] = {
627 ARM2LBUS_FIFO4, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2,
628 };
629 static struct lbuspath lbus_play_paths[] = {
630 {
631 .noconv = lbus_play_noconv1,
632 .stereo = lbus_play_stereo1,
633 .mono = lbus_play_mono1,
634 },
635 {
636 .noconv = lbus_play_noconv2,
637 .stereo = lbus_play_stereo2,
638 .mono = lbus_play_mono2,
639 },
640 {
641 .noconv = lbus_play_noconv3,
642 .stereo = lbus_play_stereo3,
643 .mono = lbus_play_mono3,
644 },
645 };
646 static struct lbuspath lbus_rec_path = {
647 .noconv = lbus_rec_noconv1,
648 .stereo = lbus_rec_stereo1,
649 .mono = lbus_rec_mono1,
650 };
651
652 #define FIRMWARE_VERSIONS 1
653 static union firmware_version firmware_versions[] = {
654 {
655 .firmware = {
656 .ASIC = 3,
657 .CODEC = 2,
658 .AUXDSP = 3,
659 .PROG = 773,
660 },
661 },
662 };
663
664 static u32 atoh(const unsigned char *in, unsigned int len)
665 {
666 u32 sum = 0;
667 unsigned int mult = 1;
668 unsigned char c;
669
670 while (len) {
671 int value;
672
673 c = in[len - 1];
674 value = hex_to_bin(c);
675 if (value >= 0)
676 sum += mult * value;
677 mult *= 16;
678 --len;
679 }
680 return sum;
681 }
682
683 static int senddata(struct cmdif *cif, const unsigned char *in, u32 offset)
684 {
685 u32 addr;
686 u32 data;
687 u32 i;
688 const unsigned char *p;
689
690 i = atoh(&in[1], 2);
691 addr = offset + atoh(&in[3], 4);
692 if (SEND_SMEM(cif, 0, addr) != 0)
693 return -EACCES;
694 p = in + 9;
695 while (i) {
696 data = atoh(p, 8);
697 if (SEND_WMEM(cif, 2,
698 ((data & 0x0f0f0f0f) << 4) | ((data & 0xf0f0f0f0)
699 >> 4)))
700 return -EACCES;
701 i -= 4;
702 p += 8;
703 }
704 return 0;
705 }
706
707 static int loadfirmware(struct cmdif *cif, const unsigned char *img,
708 unsigned int size)
709 {
710 const unsigned char *in;
711 u32 laddr, saddr, t, val;
712 int err = 0;
713
714 laddr = saddr = 0;
715 while (size > 0 && err == 0) {
716 in = img;
717 if (in[0] == ':') {
718 t = atoh(&in[7], 2);
719 switch (t) {
720 case DATA_REC:
721 err = senddata(cif, in, laddr + saddr);
722 break;
723 case EXT_SEG_ADDR_REC:
724 saddr = atoh(&in[9], 4) << 4;
725 break;
726 case EXT_LIN_ADDR_REC:
727 laddr = atoh(&in[9], 4) << 16;
728 break;
729 case EXT_GOTO_CMD_REC:
730 val = atoh(&in[9], 8);
731 if (SEND_GOTO(cif, val) != 0)
732 err = -EACCES;
733 break;
734 case EXT_END_OF_FILE:
735 size = 0;
736 break;
737 default:
738 break;
739 }
740 while (size > 0) {
741 size--;
742 if (*img++ == '\n')
743 break;
744 }
745 }
746 }
747 snd_printdd("load firmware return %d\n", err);
748 return err;
749 }
750
751 static void
752 alloclbuspath(struct cmdif *cif, unsigned char source,
753 unsigned char *path, unsigned char *mixer, unsigned char *s)
754 {
755 while (*path != 0xff) {
756 unsigned char sink, type;
757
758 sink = *path & (~SPLIT_PATH);
759 if (sink != E2SINK_MAX) {
760 snd_printdd("alloc path 0x%x->0x%x\n", source, sink);
761 SEND_PSEL(cif, source, sink);
762 source = lbusin2out[sink][0];
763 type = lbusin2out[sink][1];
764 if (type == LS_MIXER_IN) {
765 if (mixer)
766 *mixer = sink - DIGITAL_MIXER_IN0;
767 }
768 if (type == LS_SRC_DECIMATORM ||
769 type == LS_SRC_DECIMATOR ||
770 type == LS_SRC_INTERPOLATORM ||
771 type == LS_SRC_INTERPOLATOR) {
772 if (s) {
773 if (s[0] != 0xff)
774 s[1] = sink;
775 else
776 s[0] = sink;
777 }
778 }
779 }
780 if (*path++ & SPLIT_PATH) {
781 unsigned char *npath = path;
782
783 while (*npath != 0xff)
784 npath++;
785 alloclbuspath(cif, source + 1, ++npath, mixer, s);
786 }
787 }
788 }
789
790 static void
791 freelbuspath(struct cmdif *cif, unsigned char source, unsigned char *path)
792 {
793 while (*path != 0xff) {
794 unsigned char sink;
795
796 sink = *path & (~SPLIT_PATH);
797 if (sink != E2SINK_MAX) {
798 snd_printdd("free path 0x%x->0x%x\n", source, sink);
799 SEND_PCLR(cif, source, sink);
800 source = lbusin2out[sink][0];
801 }
802 if (*path++ & SPLIT_PATH) {
803 unsigned char *npath = path;
804
805 while (*npath != 0xff)
806 npath++;
807 freelbuspath(cif, source + 1, ++npath);
808 }
809 }
810 }
811
812 static int writearm(struct cmdif *cif, u32 addr, u32 data, u32 mask)
813 {
814 union cmdret rptr = CMDRET_ZERO;
815 unsigned int i = MAX_WRITE_RETRY;
816 int flag = 1;
817
818 SEND_RMEM(cif, 0x02, addr, &rptr);
819 rptr.retlongs[0] &= (~mask);
820
821 while (--i) {
822 SEND_SMEM(cif, 0x01, addr);
823 SEND_WMEM(cif, 0x02, (rptr.retlongs[0] | data));
824 SEND_RMEM(cif, 0x02, addr, &rptr);
825 if ((rptr.retlongs[0] & data) == data) {
826 flag = 0;
827 break;
828 } else
829 rptr.retlongs[0] &= ~mask;
830 }
831 snd_printdd("send arm 0x%x 0x%x 0x%x return %d\n", addr, data, mask,
832 flag);
833 return flag;
834 }
835
836 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm,
837 union cmdret *ret)
838 {
839 int i, j;
840 int err;
841 unsigned int time = 0;
842 unsigned long irqflags;
843 struct riptideport *hwport;
844 struct cmdport *cmdport = NULL;
845
846 if (snd_BUG_ON(!cif))
847 return -EINVAL;
848
849 hwport = cif->hwport;
850 if (cif->errcnt > MAX_ERROR_COUNT) {
851 if (cif->is_reset) {
852 snd_printk(KERN_ERR
853 "Riptide: Too many failed cmds, reinitializing\n");
854 if (riptide_reset(cif, NULL) == 0) {
855 cif->errcnt = 0;
856 return -EIO;
857 }
858 }
859 snd_printk(KERN_ERR "Riptide: Initialization failed.\n");
860 return -EINVAL;
861 }
862 if (ret) {
863 ret->retlongs[0] = 0;
864 ret->retlongs[1] = 0;
865 }
866 i = 0;
867 spin_lock_irqsave(&cif->lock, irqflags);
868 while (i++ < CMDIF_TIMEOUT && !IS_READY(cif->hwport))
869 udelay(10);
870 if (i > CMDIF_TIMEOUT) {
871 err = -EBUSY;
872 goto errout;
873 }
874
875 err = 0;
876 for (j = 0, time = 0; time < CMDIF_TIMEOUT; j++, time += 2) {
877 cmdport = &(hwport->port[j % 2]);
878 if (IS_DATF(cmdport)) { /* free pending data */
879 READ_PORT_ULONG(cmdport->data1);
880 READ_PORT_ULONG(cmdport->data2);
881 }
882 if (IS_CMDE(cmdport)) {
883 if (flags & PARM) /* put data */
884 WRITE_PORT_ULONG(cmdport->data2, parm);
885 WRITE_PORT_ULONG(cmdport->data1, cmd); /* write cmd */
886 if ((flags & RESP) && ret) {
887 while (!IS_DATF(cmdport) &&
888 time < CMDIF_TIMEOUT) {
889 udelay(10);
890 time++;
891 }
892 if (time < CMDIF_TIMEOUT) { /* read response */
893 ret->retlongs[0] =
894 READ_PORT_ULONG(cmdport->data1);
895 ret->retlongs[1] =
896 READ_PORT_ULONG(cmdport->data2);
897 } else {
898 err = -ENOSYS;
899 goto errout;
900 }
901 }
902 break;
903 }
904 udelay(20);
905 }
906 if (time == CMDIF_TIMEOUT) {
907 err = -ENODATA;
908 goto errout;
909 }
910 spin_unlock_irqrestore(&cif->lock, irqflags);
911
912 cif->cmdcnt++; /* update command statistics */
913 cif->cmdtime += time;
914 if (time > cif->cmdtimemax)
915 cif->cmdtimemax = time;
916 if (time < cif->cmdtimemin)
917 cif->cmdtimemin = time;
918 if ((cif->cmdcnt) % 1000 == 0)
919 snd_printdd
920 ("send cmd %d time: %d mintime: %d maxtime %d err: %d\n",
921 cif->cmdcnt, cif->cmdtime, cif->cmdtimemin,
922 cif->cmdtimemax, cif->errcnt);
923 return 0;
924
925 errout:
926 cif->errcnt++;
927 spin_unlock_irqrestore(&cif->lock, irqflags);
928 snd_printdd
929 ("send cmd %d hw: 0x%x flag: 0x%x cmd: 0x%x parm: 0x%x ret: 0x%x 0x%x CMDE: %d DATF: %d failed %d\n",
930 cif->cmdcnt, (int)((void *)&(cmdport->stat) - (void *)hwport),
931 flags, cmd, parm, ret ? ret->retlongs[0] : 0,
932 ret ? ret->retlongs[1] : 0, IS_CMDE(cmdport), IS_DATF(cmdport),
933 err);
934 return err;
935 }
936
937 static int
938 setmixer(struct cmdif *cif, short num, unsigned short rval, unsigned short lval)
939 {
940 union cmdret rptr = CMDRET_ZERO;
941 int i = 0;
942
943 snd_printdd("sent mixer %d: 0x%d 0x%d\n", num, rval, lval);
944 do {
945 SEND_SDGV(cif, num, num, rval, lval);
946 SEND_RDGV(cif, num, num, &rptr);
947 if (rptr.retwords[0] == lval && rptr.retwords[1] == rval)
948 return 0;
949 } while (i++ < MAX_WRITE_RETRY);
950 snd_printdd("sent mixer failed\n");
951 return -EIO;
952 }
953
954 static int getpaths(struct cmdif *cif, unsigned char *o)
955 {
956 unsigned char src[E2SINK_MAX];
957 unsigned char sink[E2SINK_MAX];
958 int i, j = 0;
959
960 for (i = 0; i < E2SINK_MAX; i++) {
961 getsourcesink(cif, i, i, &src[i], &sink[i]);
962 if (sink[i] < E2SINK_MAX) {
963 o[j++] = sink[i];
964 o[j++] = i;
965 }
966 }
967 return j;
968 }
969
970 static int
971 getsourcesink(struct cmdif *cif, unsigned char source, unsigned char sink,
972 unsigned char *a, unsigned char *b)
973 {
974 union cmdret rptr = CMDRET_ZERO;
975
976 if (SEND_RSSV(cif, source, sink, &rptr) &&
977 SEND_RSSV(cif, source, sink, &rptr))
978 return -EIO;
979 *a = rptr.retbytes[0];
980 *b = rptr.retbytes[1];
981 snd_printdd("getsourcesink 0x%x 0x%x\n", *a, *b);
982 return 0;
983 }
984
985 static int
986 getsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int *rate)
987 {
988 unsigned char *s;
989 unsigned int p[2] = { 0, 0 };
990 int i;
991 union cmdret rptr = CMDRET_ZERO;
992
993 s = intdec;
994 for (i = 0; i < 2; i++) {
995 if (*s != 0xff) {
996 if (SEND_RSRC(cif, *s, &rptr) &&
997 SEND_RSRC(cif, *s, &rptr))
998 return -EIO;
999 p[i] += rptr.retwords[1];
1000 p[i] *= rptr.retwords[2];
1001 p[i] += rptr.retwords[3];
1002 p[i] /= 65536;
1003 }
1004 s++;
1005 }
1006 if (p[0]) {
1007 if (p[1] != p[0])
1008 snd_printdd("rates differ %d %d\n", p[0], p[1]);
1009 *rate = (unsigned int)p[0];
1010 } else
1011 *rate = (unsigned int)p[1];
1012 snd_printdd("getsampleformat %d %d %d\n", intdec[0], intdec[1], *rate);
1013 return 0;
1014 }
1015
1016 static int
1017 setsampleformat(struct cmdif *cif,
1018 unsigned char mixer, unsigned char id,
1019 unsigned char channels, unsigned char format)
1020 {
1021 unsigned char w, ch, sig, order;
1022
1023 snd_printdd
1024 ("setsampleformat mixer: %d id: %d channels: %d format: %d\n",
1025 mixer, id, channels, format);
1026 ch = channels == 1;
1027 w = snd_pcm_format_width(format) == 8;
1028 sig = snd_pcm_format_unsigned(format) != 0;
1029 order = snd_pcm_format_big_endian(format) != 0;
1030
1031 if (SEND_SETF(cif, mixer, w, ch, order, sig, id) &&
1032 SEND_SETF(cif, mixer, w, ch, order, sig, id)) {
1033 snd_printdd("setsampleformat failed\n");
1034 return -EIO;
1035 }
1036 return 0;
1037 }
1038
1039 static int
1040 setsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int rate)
1041 {
1042 u32 D, M, N;
1043 union cmdret rptr = CMDRET_ZERO;
1044 int i;
1045
1046 snd_printdd("setsamplerate intdec: %d,%d rate: %d\n", intdec[0],
1047 intdec[1], rate);
1048 D = 48000;
1049 M = ((rate == 48000) ? 47999 : rate) * 65536;
1050 N = M % D;
1051 M /= D;
1052 for (i = 0; i < 2; i++) {
1053 if (*intdec != 0xff) {
1054 do {
1055 SEND_SSRC(cif, *intdec, D, M, N);
1056 SEND_RSRC(cif, *intdec, &rptr);
1057 } while (rptr.retwords[1] != D &&
1058 rptr.retwords[2] != M &&
1059 rptr.retwords[3] != N &&
1060 i++ < MAX_WRITE_RETRY);
1061 if (i > MAX_WRITE_RETRY) {
1062 snd_printdd("sent samplerate %d: %d failed\n",
1063 *intdec, rate);
1064 return -EIO;
1065 }
1066 }
1067 intdec++;
1068 }
1069 return 0;
1070 }
1071
1072 static int
1073 getmixer(struct cmdif *cif, short num, unsigned short *rval,
1074 unsigned short *lval)
1075 {
1076 union cmdret rptr = CMDRET_ZERO;
1077
1078 if (SEND_RDGV(cif, num, num, &rptr) && SEND_RDGV(cif, num, num, &rptr))
1079 return -EIO;
1080 *rval = rptr.retwords[0];
1081 *lval = rptr.retwords[1];
1082 snd_printdd("got mixer %d: 0x%d 0x%d\n", num, *rval, *lval);
1083 return 0;
1084 }
1085
1086 static void riptide_handleirq(unsigned long dev_id)
1087 {
1088 struct snd_riptide *chip = (void *)dev_id;
1089 struct cmdif *cif = chip->cif;
1090 struct snd_pcm_substream *substream[PLAYBACK_SUBSTREAMS + 1];
1091 struct snd_pcm_runtime *runtime;
1092 struct pcmhw *data = NULL;
1093 unsigned int pos, period_bytes;
1094 struct sgd *c;
1095 int i, j;
1096 unsigned int flag;
1097
1098 if (!cif)
1099 return;
1100
1101 for (i = 0; i < PLAYBACK_SUBSTREAMS; i++)
1102 substream[i] = chip->playback_substream[i];
1103 substream[i] = chip->capture_substream;
1104 for (i = 0; i < PLAYBACK_SUBSTREAMS + 1; i++) {
1105 if (substream[i] &&
1106 (runtime = substream[i]->runtime) &&
1107 (data = runtime->private_data) && data->state != ST_STOP) {
1108 pos = 0;
1109 for (j = 0; j < data->pages; j++) {
1110 c = &data->sgdbuf[j];
1111 flag = le32_to_cpu(c->dwStat_Ctl);
1112 if (flag & EOB_STATUS)
1113 pos += le32_to_cpu(c->dwSegLen);
1114 if (flag & EOC_STATUS)
1115 pos += le32_to_cpu(c->dwSegLen);
1116 if ((flag & EOS_STATUS)
1117 && (data->state == ST_PLAY)) {
1118 data->state = ST_STOP;
1119 snd_printk(KERN_ERR
1120 "Riptide: DMA stopped unexpectedly\n");
1121 }
1122 c->dwStat_Ctl =
1123 cpu_to_le32(flag &
1124 ~(EOS_STATUS | EOB_STATUS |
1125 EOC_STATUS));
1126 }
1127 data->pointer += pos;
1128 pos += data->oldpos;
1129 if (data->state != ST_STOP) {
1130 period_bytes =
1131 frames_to_bytes(runtime,
1132 runtime->period_size);
1133 snd_printdd
1134 ("interrupt 0x%x after 0x%lx of 0x%lx frames in period\n",
1135 READ_AUDIO_STATUS(cif->hwport),
1136 bytes_to_frames(runtime, pos),
1137 runtime->period_size);
1138 j = 0;
1139 if (pos >= period_bytes) {
1140 j++;
1141 while (pos >= period_bytes)
1142 pos -= period_bytes;
1143 }
1144 data->oldpos = pos;
1145 if (j > 0)
1146 snd_pcm_period_elapsed(substream[i]);
1147 }
1148 }
1149 }
1150 }
1151
1152 #ifdef CONFIG_PM
1153 static int riptide_suspend(struct pci_dev *pci, pm_message_t state)
1154 {
1155 struct snd_card *card = pci_get_drvdata(pci);
1156 struct snd_riptide *chip = card->private_data;
1157
1158 chip->in_suspend = 1;
1159 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1160 snd_pcm_suspend_all(chip->pcm);
1161 snd_ac97_suspend(chip->ac97);
1162 pci_disable_device(pci);
1163 pci_save_state(pci);
1164 pci_set_power_state(pci, pci_choose_state(pci, state));
1165 return 0;
1166 }
1167
1168 static int riptide_resume(struct pci_dev *pci)
1169 {
1170 struct snd_card *card = pci_get_drvdata(pci);
1171 struct snd_riptide *chip = card->private_data;
1172
1173 pci_set_power_state(pci, PCI_D0);
1174 pci_restore_state(pci);
1175 if (pci_enable_device(pci) < 0) {
1176 printk(KERN_ERR "riptide: pci_enable_device failed, "
1177 "disabling device\n");
1178 snd_card_disconnect(card);
1179 return -EIO;
1180 }
1181 pci_set_master(pci);
1182 snd_riptide_initialize(chip);
1183 snd_ac97_resume(chip->ac97);
1184 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1185 chip->in_suspend = 0;
1186 return 0;
1187 }
1188 #endif
1189
1190 static int try_to_load_firmware(struct cmdif *cif, struct snd_riptide *chip)
1191 {
1192 union firmware_version firmware = { .ret = CMDRET_ZERO };
1193 int i, timeout, err;
1194
1195 for (i = 0; i < 2; i++) {
1196 WRITE_PORT_ULONG(cif->hwport->port[i].data1, 0);
1197 WRITE_PORT_ULONG(cif->hwport->port[i].data2, 0);
1198 }
1199 SET_GRESET(cif->hwport);
1200 udelay(100);
1201 UNSET_GRESET(cif->hwport);
1202 udelay(100);
1203
1204 for (timeout = 100000; --timeout; udelay(10)) {
1205 if (IS_READY(cif->hwport) && !IS_GERR(cif->hwport))
1206 break;
1207 }
1208 if (!timeout) {
1209 snd_printk(KERN_ERR
1210 "Riptide: device not ready, audio status: 0x%x "
1211 "ready: %d gerr: %d\n",
1212 READ_AUDIO_STATUS(cif->hwport),
1213 IS_READY(cif->hwport), IS_GERR(cif->hwport));
1214 return -EIO;
1215 } else {
1216 snd_printdd
1217 ("Riptide: audio status: 0x%x ready: %d gerr: %d\n",
1218 READ_AUDIO_STATUS(cif->hwport),
1219 IS_READY(cif->hwport), IS_GERR(cif->hwport));
1220 }
1221
1222 SEND_GETV(cif, &firmware.ret);
1223 snd_printdd("Firmware version: ASIC: %d CODEC %d AUXDSP %d PROG %d\n",
1224 firmware.firmware.ASIC, firmware.firmware.CODEC,
1225 firmware.firmware.AUXDSP, firmware.firmware.PROG);
1226
1227 if (!chip)
1228 return 1;
1229
1230 for (i = 0; i < FIRMWARE_VERSIONS; i++) {
1231 if (!memcmp(&firmware_versions[i], &firmware, sizeof(firmware)))
1232 return 1; /* OK */
1233
1234 }
1235
1236 snd_printdd("Writing Firmware\n");
1237 if (!chip->fw_entry) {
1238 err = request_firmware(&chip->fw_entry, "riptide.hex",
1239 &chip->pci->dev);
1240 if (err) {
1241 snd_printk(KERN_ERR
1242 "Riptide: Firmware not available %d\n", err);
1243 return -EIO;
1244 }
1245 }
1246 err = loadfirmware(cif, chip->fw_entry->data, chip->fw_entry->size);
1247 if (err) {
1248 snd_printk(KERN_ERR
1249 "Riptide: Could not load firmware %d\n", err);
1250 return err;
1251 }
1252
1253 chip->firmware = firmware;
1254
1255 return 1; /* OK */
1256 }
1257
1258 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip)
1259 {
1260 union cmdret rptr = CMDRET_ZERO;
1261 int err, tries;
1262
1263 if (!cif)
1264 return -EINVAL;
1265
1266 cif->cmdcnt = 0;
1267 cif->cmdtime = 0;
1268 cif->cmdtimemax = 0;
1269 cif->cmdtimemin = 0xffffffff;
1270 cif->errcnt = 0;
1271 cif->is_reset = 0;
1272
1273 tries = RESET_TRIES;
1274 do {
1275 err = try_to_load_firmware(cif, chip);
1276 if (err < 0)
1277 return err;
1278 } while (!err && --tries);
1279
1280 SEND_SACR(cif, 0, AC97_RESET);
1281 SEND_RACR(cif, AC97_RESET, &rptr);
1282 snd_printdd("AC97: 0x%x 0x%x\n", rptr.retlongs[0], rptr.retlongs[1]);
1283
1284 SEND_PLST(cif, 0);
1285 SEND_SLST(cif, 0);
1286 SEND_DLST(cif, 0);
1287 SEND_ALST(cif, 0);
1288 SEND_KDMA(cif);
1289
1290 writearm(cif, 0x301F8, 1, 1);
1291 writearm(cif, 0x301F4, 1, 1);
1292
1293 SEND_LSEL(cif, MODEM_CMD, 0, 0, MODEM_INTDEC, MODEM_MERGER,
1294 MODEM_SPLITTER, MODEM_MIXER);
1295 setmixer(cif, MODEM_MIXER, 0x7fff, 0x7fff);
1296 alloclbuspath(cif, ARM2LBUS_FIFO13, lbus_play_modem, NULL, NULL);
1297
1298 SEND_LSEL(cif, FM_CMD, 0, 0, FM_INTDEC, FM_MERGER, FM_SPLITTER,
1299 FM_MIXER);
1300 setmixer(cif, FM_MIXER, 0x7fff, 0x7fff);
1301 writearm(cif, 0x30648 + FM_MIXER * 4, 0x01, 0x00000005);
1302 writearm(cif, 0x301A8, 0x02, 0x00000002);
1303 writearm(cif, 0x30264, 0x08, 0xffffffff);
1304 alloclbuspath(cif, OPL3_SAMPLE, lbus_play_opl3, NULL, NULL);
1305
1306 SEND_SSRC(cif, I2S_INTDEC, 48000,
1307 ((u32) I2S_RATE * 65536) / 48000,
1308 ((u32) I2S_RATE * 65536) % 48000);
1309 SEND_LSEL(cif, I2S_CMD0, 0, 0, I2S_INTDEC, I2S_MERGER, I2S_SPLITTER,
1310 I2S_MIXER);
1311 SEND_SI2S(cif, 1);
1312 alloclbuspath(cif, ARM2LBUS_FIFO0, lbus_play_i2s, NULL, NULL);
1313 alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_out, NULL, NULL);
1314 alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_outhp, NULL, NULL);
1315
1316 SET_AIACK(cif->hwport);
1317 SET_AIE(cif->hwport);
1318 SET_AIACK(cif->hwport);
1319 cif->is_reset = 1;
1320
1321 return 0;
1322 }
1323
1324 static struct snd_pcm_hardware snd_riptide_playback = {
1325 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1326 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1327 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1328 .formats =
1329 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1330 | SNDRV_PCM_FMTBIT_U16_LE,
1331 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1332 .rate_min = 5500,
1333 .rate_max = 48000,
1334 .channels_min = 1,
1335 .channels_max = 2,
1336 .buffer_bytes_max = (64 * 1024),
1337 .period_bytes_min = PAGE_SIZE >> 1,
1338 .period_bytes_max = PAGE_SIZE << 8,
1339 .periods_min = 2,
1340 .periods_max = 64,
1341 .fifo_size = 0,
1342 };
1343 static struct snd_pcm_hardware snd_riptide_capture = {
1344 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1345 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1346 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
1347 .formats =
1348 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8
1349 | SNDRV_PCM_FMTBIT_U16_LE,
1350 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000,
1351 .rate_min = 5500,
1352 .rate_max = 48000,
1353 .channels_min = 1,
1354 .channels_max = 2,
1355 .buffer_bytes_max = (64 * 1024),
1356 .period_bytes_min = PAGE_SIZE >> 1,
1357 .period_bytes_max = PAGE_SIZE << 3,
1358 .periods_min = 2,
1359 .periods_max = 64,
1360 .fifo_size = 0,
1361 };
1362
1363 static snd_pcm_uframes_t snd_riptide_pointer(struct snd_pcm_substream
1364 *substream)
1365 {
1366 struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1367 struct snd_pcm_runtime *runtime = substream->runtime;
1368 struct pcmhw *data = get_pcmhwdev(substream);
1369 struct cmdif *cif = chip->cif;
1370 union cmdret rptr = CMDRET_ZERO;
1371 snd_pcm_uframes_t ret;
1372
1373 SEND_GPOS(cif, 0, data->id, &rptr);
1374 if (data->size && runtime->period_size) {
1375 snd_printdd
1376 ("pointer stream %d position 0x%x(0x%x in buffer) bytes 0x%lx(0x%lx in period) frames\n",
1377 data->id, rptr.retlongs[1], rptr.retlongs[1] % data->size,
1378 bytes_to_frames(runtime, rptr.retlongs[1]),
1379 bytes_to_frames(runtime,
1380 rptr.retlongs[1]) % runtime->period_size);
1381 if (rptr.retlongs[1] > data->pointer)
1382 ret =
1383 bytes_to_frames(runtime,
1384 rptr.retlongs[1] % data->size);
1385 else
1386 ret =
1387 bytes_to_frames(runtime,
1388 data->pointer % data->size);
1389 } else {
1390 snd_printdd("stream not started or strange parms (%d %ld)\n",
1391 data->size, runtime->period_size);
1392 ret = bytes_to_frames(runtime, 0);
1393 }
1394 return ret;
1395 }
1396
1397 static int snd_riptide_trigger(struct snd_pcm_substream *substream, int cmd)
1398 {
1399 int i, j;
1400 struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1401 struct pcmhw *data = get_pcmhwdev(substream);
1402 struct cmdif *cif = chip->cif;
1403 union cmdret rptr = CMDRET_ZERO;
1404
1405 spin_lock(&chip->lock);
1406 switch (cmd) {
1407 case SNDRV_PCM_TRIGGER_START:
1408 case SNDRV_PCM_TRIGGER_RESUME:
1409 if (!(data->state & ST_PLAY)) {
1410 SEND_SSTR(cif, data->id, data->sgdlist.addr);
1411 SET_AIE(cif->hwport);
1412 data->state = ST_PLAY;
1413 if (data->mixer != 0xff)
1414 setmixer(cif, data->mixer, 0x7fff, 0x7fff);
1415 chip->openstreams++;
1416 data->oldpos = 0;
1417 data->pointer = 0;
1418 }
1419 break;
1420 case SNDRV_PCM_TRIGGER_STOP:
1421 case SNDRV_PCM_TRIGGER_SUSPEND:
1422 if (data->mixer != 0xff)
1423 setmixer(cif, data->mixer, 0, 0);
1424 setmixer(cif, data->mixer, 0, 0);
1425 SEND_KSTR(cif, data->id);
1426 data->state = ST_STOP;
1427 chip->openstreams--;
1428 j = 0;
1429 do {
1430 i = rptr.retlongs[1];
1431 SEND_GPOS(cif, 0, data->id, &rptr);
1432 udelay(1);
1433 } while (i != rptr.retlongs[1] && j++ < MAX_WRITE_RETRY);
1434 if (j > MAX_WRITE_RETRY)
1435 snd_printk(KERN_ERR "Riptide: Could not stop stream!");
1436 break;
1437 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1438 if (!(data->state & ST_PAUSE)) {
1439 SEND_PSTR(cif, data->id);
1440 data->state |= ST_PAUSE;
1441 chip->openstreams--;
1442 }
1443 break;
1444 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1445 if (data->state & ST_PAUSE) {
1446 SEND_SSTR(cif, data->id, data->sgdlist.addr);
1447 data->state &= ~ST_PAUSE;
1448 chip->openstreams++;
1449 }
1450 break;
1451 default:
1452 spin_unlock(&chip->lock);
1453 return -EINVAL;
1454 }
1455 spin_unlock(&chip->lock);
1456 return 0;
1457 }
1458
1459 static int snd_riptide_prepare(struct snd_pcm_substream *substream)
1460 {
1461 struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1462 struct snd_pcm_runtime *runtime = substream->runtime;
1463 struct pcmhw *data = get_pcmhwdev(substream);
1464 struct cmdif *cif = chip->cif;
1465 unsigned char *lbuspath = NULL;
1466 unsigned int rate, channels;
1467 int err = 0;
1468 snd_pcm_format_t format;
1469
1470 if (snd_BUG_ON(!cif || !data))
1471 return -EINVAL;
1472
1473 snd_printdd("prepare id %d ch: %d f:0x%x r:%d\n", data->id,
1474 runtime->channels, runtime->format, runtime->rate);
1475
1476 spin_lock_irq(&chip->lock);
1477 channels = runtime->channels;
1478 format = runtime->format;
1479 rate = runtime->rate;
1480 switch (channels) {
1481 case 1:
1482 if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1483 lbuspath = data->paths.noconv;
1484 else
1485 lbuspath = data->paths.mono;
1486 break;
1487 case 2:
1488 if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE)
1489 lbuspath = data->paths.noconv;
1490 else
1491 lbuspath = data->paths.stereo;
1492 break;
1493 }
1494 snd_printdd("use sgdlist at 0x%p\n",
1495 data->sgdlist.area);
1496 if (data->sgdlist.area) {
1497 unsigned int i, j, size, pages, f, pt, period;
1498 struct sgd *c, *p = NULL;
1499
1500 size = frames_to_bytes(runtime, runtime->buffer_size);
1501 period = frames_to_bytes(runtime, runtime->period_size);
1502 f = PAGE_SIZE;
1503 while ((size + (f >> 1) - 1) <= (f << 7) && (f << 1) > period)
1504 f = f >> 1;
1505 pages = (size + f - 1) / f;
1506 data->size = size;
1507 data->pages = pages;
1508 snd_printdd
1509 ("create sgd size: 0x%x pages %d of size 0x%x for period 0x%x\n",
1510 size, pages, f, period);
1511 pt = 0;
1512 j = 0;
1513 for (i = 0; i < pages; i++) {
1514 unsigned int ofs, addr;
1515 c = &data->sgdbuf[i];
1516 if (p)
1517 p->dwNextLink = cpu_to_le32(data->sgdlist.addr +
1518 (i *
1519 sizeof(struct
1520 sgd)));
1521 c->dwNextLink = cpu_to_le32(data->sgdlist.addr);
1522 ofs = j << PAGE_SHIFT;
1523 addr = snd_pcm_sgbuf_get_addr(substream, ofs) + pt;
1524 c->dwSegPtrPhys = cpu_to_le32(addr);
1525 pt = (pt + f) % PAGE_SIZE;
1526 if (pt == 0)
1527 j++;
1528 c->dwSegLen = cpu_to_le32(f);
1529 c->dwStat_Ctl =
1530 cpu_to_le32(IEOB_ENABLE | IEOS_ENABLE |
1531 IEOC_ENABLE);
1532 p = c;
1533 size -= f;
1534 }
1535 data->sgdbuf[i].dwSegLen = cpu_to_le32(size);
1536 }
1537 if (lbuspath && lbuspath != data->lbuspath) {
1538 if (data->lbuspath)
1539 freelbuspath(cif, data->source, data->lbuspath);
1540 alloclbuspath(cif, data->source, lbuspath,
1541 &data->mixer, data->intdec);
1542 data->lbuspath = lbuspath;
1543 data->rate = 0;
1544 }
1545 if (data->rate != rate || data->format != format ||
1546 data->channels != channels) {
1547 data->rate = rate;
1548 data->format = format;
1549 data->channels = channels;
1550 if (setsampleformat
1551 (cif, data->mixer, data->id, channels, format)
1552 || setsamplerate(cif, data->intdec, rate))
1553 err = -EIO;
1554 }
1555 spin_unlock_irq(&chip->lock);
1556 return err;
1557 }
1558
1559 static int
1560 snd_riptide_hw_params(struct snd_pcm_substream *substream,
1561 struct snd_pcm_hw_params *hw_params)
1562 {
1563 struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1564 struct pcmhw *data = get_pcmhwdev(substream);
1565 struct snd_dma_buffer *sgdlist = &data->sgdlist;
1566 int err;
1567
1568 snd_printdd("hw params id %d (sgdlist: 0x%p 0x%lx %d)\n", data->id,
1569 sgdlist->area, (unsigned long)sgdlist->addr,
1570 (int)sgdlist->bytes);
1571 if (sgdlist->area)
1572 snd_dma_free_pages(sgdlist);
1573 if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
1574 snd_dma_pci_data(chip->pci),
1575 sizeof(struct sgd) * (DESC_MAX_MASK + 1),
1576 sgdlist)) < 0) {
1577 snd_printk(KERN_ERR "Riptide: failed to alloc %d dma bytes\n",
1578 (int)sizeof(struct sgd) * (DESC_MAX_MASK + 1));
1579 return err;
1580 }
1581 data->sgdbuf = (struct sgd *)sgdlist->area;
1582 return snd_pcm_lib_malloc_pages(substream,
1583 params_buffer_bytes(hw_params));
1584 }
1585
1586 static int snd_riptide_hw_free(struct snd_pcm_substream *substream)
1587 {
1588 struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1589 struct pcmhw *data = get_pcmhwdev(substream);
1590 struct cmdif *cif = chip->cif;
1591
1592 if (cif && data) {
1593 if (data->lbuspath)
1594 freelbuspath(cif, data->source, data->lbuspath);
1595 data->lbuspath = NULL;
1596 data->source = 0xff;
1597 data->intdec[0] = 0xff;
1598 data->intdec[1] = 0xff;
1599
1600 if (data->sgdlist.area) {
1601 snd_dma_free_pages(&data->sgdlist);
1602 data->sgdlist.area = NULL;
1603 }
1604 }
1605 return snd_pcm_lib_free_pages(substream);
1606 }
1607
1608 static int snd_riptide_playback_open(struct snd_pcm_substream *substream)
1609 {
1610 struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1611 struct snd_pcm_runtime *runtime = substream->runtime;
1612 struct pcmhw *data;
1613 int sub_num = substream->number;
1614
1615 chip->playback_substream[sub_num] = substream;
1616 runtime->hw = snd_riptide_playback;
1617
1618 data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1619 if (data == NULL)
1620 return -ENOMEM;
1621 data->paths = lbus_play_paths[sub_num];
1622 data->id = play_ids[sub_num];
1623 data->source = play_sources[sub_num];
1624 data->intdec[0] = 0xff;
1625 data->intdec[1] = 0xff;
1626 data->state = ST_STOP;
1627 runtime->private_data = data;
1628 return snd_pcm_hw_constraint_integer(runtime,
1629 SNDRV_PCM_HW_PARAM_PERIODS);
1630 }
1631
1632 static int snd_riptide_capture_open(struct snd_pcm_substream *substream)
1633 {
1634 struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1635 struct snd_pcm_runtime *runtime = substream->runtime;
1636 struct pcmhw *data;
1637
1638 chip->capture_substream = substream;
1639 runtime->hw = snd_riptide_capture;
1640
1641 data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL);
1642 if (data == NULL)
1643 return -ENOMEM;
1644 data->paths = lbus_rec_path;
1645 data->id = PADC;
1646 data->source = ACLNK2PADC;
1647 data->intdec[0] = 0xff;
1648 data->intdec[1] = 0xff;
1649 data->state = ST_STOP;
1650 runtime->private_data = data;
1651 return snd_pcm_hw_constraint_integer(runtime,
1652 SNDRV_PCM_HW_PARAM_PERIODS);
1653 }
1654
1655 static int snd_riptide_playback_close(struct snd_pcm_substream *substream)
1656 {
1657 struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1658 struct pcmhw *data = get_pcmhwdev(substream);
1659 int sub_num = substream->number;
1660
1661 substream->runtime->private_data = NULL;
1662 chip->playback_substream[sub_num] = NULL;
1663 kfree(data);
1664 return 0;
1665 }
1666
1667 static int snd_riptide_capture_close(struct snd_pcm_substream *substream)
1668 {
1669 struct snd_riptide *chip = snd_pcm_substream_chip(substream);
1670 struct pcmhw *data = get_pcmhwdev(substream);
1671
1672 substream->runtime->private_data = NULL;
1673 chip->capture_substream = NULL;
1674 kfree(data);
1675 return 0;
1676 }
1677
1678 static struct snd_pcm_ops snd_riptide_playback_ops = {
1679 .open = snd_riptide_playback_open,
1680 .close = snd_riptide_playback_close,
1681 .ioctl = snd_pcm_lib_ioctl,
1682 .hw_params = snd_riptide_hw_params,
1683 .hw_free = snd_riptide_hw_free,
1684 .prepare = snd_riptide_prepare,
1685 .page = snd_pcm_sgbuf_ops_page,
1686 .trigger = snd_riptide_trigger,
1687 .pointer = snd_riptide_pointer,
1688 };
1689 static struct snd_pcm_ops snd_riptide_capture_ops = {
1690 .open = snd_riptide_capture_open,
1691 .close = snd_riptide_capture_close,
1692 .ioctl = snd_pcm_lib_ioctl,
1693 .hw_params = snd_riptide_hw_params,
1694 .hw_free = snd_riptide_hw_free,
1695 .prepare = snd_riptide_prepare,
1696 .page = snd_pcm_sgbuf_ops_page,
1697 .trigger = snd_riptide_trigger,
1698 .pointer = snd_riptide_pointer,
1699 };
1700
1701 static int __devinit
1702 snd_riptide_pcm(struct snd_riptide *chip, int device, struct snd_pcm **rpcm)
1703 {
1704 struct snd_pcm *pcm;
1705 int err;
1706
1707 if (rpcm)
1708 *rpcm = NULL;
1709 if ((err =
1710 snd_pcm_new(chip->card, "RIPTIDE", device, PLAYBACK_SUBSTREAMS, 1,
1711 &pcm)) < 0)
1712 return err;
1713 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1714 &snd_riptide_playback_ops);
1715 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1716 &snd_riptide_capture_ops);
1717 pcm->private_data = chip;
1718 pcm->info_flags = 0;
1719 strcpy(pcm->name, "RIPTIDE");
1720 chip->pcm = pcm;
1721 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1722 snd_dma_pci_data(chip->pci),
1723 64 * 1024, 128 * 1024);
1724 if (rpcm)
1725 *rpcm = pcm;
1726 return 0;
1727 }
1728
1729 static irqreturn_t
1730 snd_riptide_interrupt(int irq, void *dev_id)
1731 {
1732 struct snd_riptide *chip = dev_id;
1733 struct cmdif *cif = chip->cif;
1734
1735 if (cif) {
1736 chip->received_irqs++;
1737 if (IS_EOBIRQ(cif->hwport) || IS_EOSIRQ(cif->hwport) ||
1738 IS_EOCIRQ(cif->hwport)) {
1739 chip->handled_irqs++;
1740 tasklet_schedule(&chip->riptide_tq);
1741 }
1742 if (chip->rmidi && IS_MPUIRQ(cif->hwport)) {
1743 chip->handled_irqs++;
1744 snd_mpu401_uart_interrupt(irq,
1745 chip->rmidi->private_data);
1746 }
1747 SET_AIACK(cif->hwport);
1748 }
1749 return IRQ_HANDLED;
1750 }
1751
1752 static void
1753 snd_riptide_codec_write(struct snd_ac97 *ac97, unsigned short reg,
1754 unsigned short val)
1755 {
1756 struct snd_riptide *chip = ac97->private_data;
1757 struct cmdif *cif = chip->cif;
1758 union cmdret rptr = CMDRET_ZERO;
1759 int i = 0;
1760
1761 if (snd_BUG_ON(!cif))
1762 return;
1763
1764 snd_printdd("Write AC97 reg 0x%x 0x%x\n", reg, val);
1765 do {
1766 SEND_SACR(cif, val, reg);
1767 SEND_RACR(cif, reg, &rptr);
1768 } while (rptr.retwords[1] != val && i++ < MAX_WRITE_RETRY);
1769 if (i > MAX_WRITE_RETRY)
1770 snd_printdd("Write AC97 reg failed\n");
1771 }
1772
1773 static unsigned short snd_riptide_codec_read(struct snd_ac97 *ac97,
1774 unsigned short reg)
1775 {
1776 struct snd_riptide *chip = ac97->private_data;
1777 struct cmdif *cif = chip->cif;
1778 union cmdret rptr = CMDRET_ZERO;
1779
1780 if (snd_BUG_ON(!cif))
1781 return 0;
1782
1783 if (SEND_RACR(cif, reg, &rptr) != 0)
1784 SEND_RACR(cif, reg, &rptr);
1785 snd_printdd("Read AC97 reg 0x%x got 0x%x\n", reg, rptr.retwords[1]);
1786 return rptr.retwords[1];
1787 }
1788
1789 static int snd_riptide_initialize(struct snd_riptide *chip)
1790 {
1791 struct cmdif *cif;
1792 unsigned int device_id;
1793 int err;
1794
1795 if (snd_BUG_ON(!chip))
1796 return -EINVAL;
1797
1798 cif = chip->cif;
1799 if (!cif) {
1800 if ((cif = kzalloc(sizeof(struct cmdif), GFP_KERNEL)) == NULL)
1801 return -ENOMEM;
1802 cif->hwport = (struct riptideport *)chip->port;
1803 spin_lock_init(&cif->lock);
1804 chip->cif = cif;
1805 }
1806 cif->is_reset = 0;
1807 if ((err = riptide_reset(cif, chip)) != 0)
1808 return err;
1809 device_id = chip->device_id;
1810 switch (device_id) {
1811 case 0x4310:
1812 case 0x4320:
1813 case 0x4330:
1814 snd_printdd("Modem enable?\n");
1815 SEND_SETDPLL(cif);
1816 break;
1817 }
1818 snd_printdd("Enabling MPU IRQs\n");
1819 if (chip->rmidi)
1820 SET_EMPUIRQ(cif->hwport);
1821 return err;
1822 }
1823
1824 static int snd_riptide_free(struct snd_riptide *chip)
1825 {
1826 struct cmdif *cif;
1827
1828 if (!chip)
1829 return 0;
1830
1831 if ((cif = chip->cif)) {
1832 SET_GRESET(cif->hwport);
1833 udelay(100);
1834 UNSET_GRESET(cif->hwport);
1835 kfree(chip->cif);
1836 }
1837 if (chip->irq >= 0)
1838 free_irq(chip->irq, chip);
1839 if (chip->fw_entry)
1840 release_firmware(chip->fw_entry);
1841 release_and_free_resource(chip->res_port);
1842 kfree(chip);
1843 return 0;
1844 }
1845
1846 static int snd_riptide_dev_free(struct snd_device *device)
1847 {
1848 struct snd_riptide *chip = device->device_data;
1849
1850 return snd_riptide_free(chip);
1851 }
1852
1853 static int __devinit
1854 snd_riptide_create(struct snd_card *card, struct pci_dev *pci,
1855 struct snd_riptide **rchip)
1856 {
1857 struct snd_riptide *chip;
1858 struct riptideport *hwport;
1859 int err;
1860 static struct snd_device_ops ops = {
1861 .dev_free = snd_riptide_dev_free,
1862 };
1863
1864 *rchip = NULL;
1865 if ((err = pci_enable_device(pci)) < 0)
1866 return err;
1867 if (!(chip = kzalloc(sizeof(struct snd_riptide), GFP_KERNEL)))
1868 return -ENOMEM;
1869
1870 spin_lock_init(&chip->lock);
1871 chip->card = card;
1872 chip->pci = pci;
1873 chip->irq = -1;
1874 chip->openstreams = 0;
1875 chip->port = pci_resource_start(pci, 0);
1876 chip->received_irqs = 0;
1877 chip->handled_irqs = 0;
1878 chip->cif = NULL;
1879 tasklet_init(&chip->riptide_tq, riptide_handleirq, (unsigned long)chip);
1880
1881 if ((chip->res_port =
1882 request_region(chip->port, 64, "RIPTIDE")) == NULL) {
1883 snd_printk(KERN_ERR
1884 "Riptide: unable to grab region 0x%lx-0x%lx\n",
1885 chip->port, chip->port + 64 - 1);
1886 snd_riptide_free(chip);
1887 return -EBUSY;
1888 }
1889 hwport = (struct riptideport *)chip->port;
1890 UNSET_AIE(hwport);
1891
1892 if (request_irq(pci->irq, snd_riptide_interrupt, IRQF_SHARED,
1893 "RIPTIDE", chip)) {
1894 snd_printk(KERN_ERR "Riptide: unable to grab IRQ %d\n",
1895 pci->irq);
1896 snd_riptide_free(chip);
1897 return -EBUSY;
1898 }
1899 chip->irq = pci->irq;
1900 chip->device_id = pci->device;
1901 pci_set_master(pci);
1902 if ((err = snd_riptide_initialize(chip)) < 0) {
1903 snd_riptide_free(chip);
1904 return err;
1905 }
1906
1907 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1908 snd_riptide_free(chip);
1909 return err;
1910 }
1911
1912 snd_card_set_dev(card, &pci->dev);
1913
1914 *rchip = chip;
1915 return 0;
1916 }
1917
1918 static void
1919 snd_riptide_proc_read(struct snd_info_entry *entry,
1920 struct snd_info_buffer *buffer)
1921 {
1922 struct snd_riptide *chip = entry->private_data;
1923 struct pcmhw *data;
1924 int i;
1925 struct cmdif *cif = NULL;
1926 unsigned char p[256];
1927 unsigned short rval = 0, lval = 0;
1928 unsigned int rate;
1929
1930 if (!chip)
1931 return;
1932
1933 snd_iprintf(buffer, "%s\n\n", chip->card->longname);
1934 snd_iprintf(buffer, "Device ID: 0x%x\nReceived IRQs: (%ld)%ld\nPorts:",
1935 chip->device_id, chip->handled_irqs, chip->received_irqs);
1936 for (i = 0; i < 64; i += 4)
1937 snd_iprintf(buffer, "%c%02x: %08x",
1938 (i % 16) ? ' ' : '\n', i, inl(chip->port + i));
1939 if ((cif = chip->cif)) {
1940 snd_iprintf(buffer,
1941 "\nVersion: ASIC: %d CODEC: %d AUXDSP: %d PROG: %d",
1942 chip->firmware.firmware.ASIC,
1943 chip->firmware.firmware.CODEC,
1944 chip->firmware.firmware.AUXDSP,
1945 chip->firmware.firmware.PROG);
1946 snd_iprintf(buffer, "\nDigital mixer:");
1947 for (i = 0; i < 12; i++) {
1948 getmixer(cif, i, &rval, &lval);
1949 snd_iprintf(buffer, "\n %d: %d %d", i, rval, lval);
1950 }
1951 snd_iprintf(buffer,
1952 "\nARM Commands num: %d failed: %d time: %d max: %d min: %d",
1953 cif->cmdcnt, cif->errcnt,
1954 cif->cmdtime, cif->cmdtimemax, cif->cmdtimemin);
1955 }
1956 snd_iprintf(buffer, "\nOpen streams %d:\n", chip->openstreams);
1957 for (i = 0; i < PLAYBACK_SUBSTREAMS; i++) {
1958 if (chip->playback_substream[i]
1959 && chip->playback_substream[i]->runtime
1960 && (data =
1961 chip->playback_substream[i]->runtime->private_data)) {
1962 snd_iprintf(buffer,
1963 "stream: %d mixer: %d source: %d (%d,%d)\n",
1964 data->id, data->mixer, data->source,
1965 data->intdec[0], data->intdec[1]);
1966 if (!(getsamplerate(cif, data->intdec, &rate)))
1967 snd_iprintf(buffer, "rate: %d\n", rate);
1968 }
1969 }
1970 if (chip->capture_substream
1971 && chip->capture_substream->runtime
1972 && (data = chip->capture_substream->runtime->private_data)) {
1973 snd_iprintf(buffer,
1974 "stream: %d mixer: %d source: %d (%d,%d)\n",
1975 data->id, data->mixer,
1976 data->source, data->intdec[0], data->intdec[1]);
1977 if (!(getsamplerate(cif, data->intdec, &rate)))
1978 snd_iprintf(buffer, "rate: %d\n", rate);
1979 }
1980 snd_iprintf(buffer, "Paths:\n");
1981 i = getpaths(cif, p);
1982 while (i >= 2) {
1983 i -= 2;
1984 snd_iprintf(buffer, "%x->%x ", p[i], p[i + 1]);
1985 }
1986 snd_iprintf(buffer, "\n");
1987 }
1988
1989 static void __devinit snd_riptide_proc_init(struct snd_riptide *chip)
1990 {
1991 struct snd_info_entry *entry;
1992
1993 if (!snd_card_proc_new(chip->card, "riptide", &entry))
1994 snd_info_set_text_ops(entry, chip, snd_riptide_proc_read);
1995 }
1996
1997 static int __devinit snd_riptide_mixer(struct snd_riptide *chip)
1998 {
1999 struct snd_ac97_bus *pbus;
2000 struct snd_ac97_template ac97;
2001 int err = 0;
2002 static struct snd_ac97_bus_ops ops = {
2003 .write = snd_riptide_codec_write,
2004 .read = snd_riptide_codec_read,
2005 };
2006
2007 memset(&ac97, 0, sizeof(ac97));
2008 ac97.private_data = chip;
2009 ac97.scaps = AC97_SCAP_SKIP_MODEM;
2010
2011 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0)
2012 return err;
2013
2014 chip->ac97_bus = pbus;
2015 ac97.pci = chip->pci;
2016 if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97)) < 0)
2017 return err;
2018 return err;
2019 }
2020
2021 #ifdef SUPPORT_JOYSTICK
2022
2023 static int __devinit
2024 snd_riptide_joystick_probe(struct pci_dev *pci, const struct pci_device_id *id)
2025 {
2026 static int dev;
2027 struct gameport *gameport;
2028
2029 if (dev >= SNDRV_CARDS)
2030 return -ENODEV;
2031 if (!enable[dev]) {
2032 dev++;
2033 return -ENOENT;
2034 }
2035
2036 if (!joystick_port[dev++])
2037 return 0;
2038
2039 gameport = gameport_allocate_port();
2040 if (!gameport)
2041 return -ENOMEM;
2042 if (!request_region(joystick_port[dev], 8, "Riptide gameport")) {
2043 snd_printk(KERN_WARNING
2044 "Riptide: cannot grab gameport 0x%x\n",
2045 joystick_port[dev]);
2046 gameport_free_port(gameport);
2047 return -EBUSY;
2048 }
2049
2050 gameport->io = joystick_port[dev];
2051 gameport_register_port(gameport);
2052 pci_set_drvdata(pci, gameport);
2053 return 0;
2054 }
2055
2056 static void __devexit snd_riptide_joystick_remove(struct pci_dev *pci)
2057 {
2058 struct gameport *gameport = pci_get_drvdata(pci);
2059 if (gameport) {
2060 release_region(gameport->io, 8);
2061 gameport_unregister_port(gameport);
2062 pci_set_drvdata(pci, NULL);
2063 }
2064 }
2065 #endif
2066
2067 static int __devinit
2068 snd_card_riptide_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
2069 {
2070 static int dev;
2071 struct snd_card *card;
2072 struct snd_riptide *chip;
2073 unsigned short val;
2074 int err;
2075
2076 if (dev >= SNDRV_CARDS)
2077 return -ENODEV;
2078 if (!enable[dev]) {
2079 dev++;
2080 return -ENOENT;
2081 }
2082
2083 err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
2084 if (err < 0)
2085 return err;
2086 err = snd_riptide_create(card, pci, &chip);
2087 if (err < 0)
2088 goto error;
2089 card->private_data = chip;
2090 err = snd_riptide_pcm(chip, 0, NULL);
2091 if (err < 0)
2092 goto error;
2093 err = snd_riptide_mixer(chip);
2094 if (err < 0)
2095 goto error;
2096
2097 val = LEGACY_ENABLE_ALL;
2098 if (opl3_port[dev])
2099 val |= LEGACY_ENABLE_FM;
2100 #ifdef SUPPORT_JOYSTICK
2101 if (joystick_port[dev])
2102 val |= LEGACY_ENABLE_GAMEPORT;
2103 #endif
2104 if (mpu_port[dev])
2105 val |= LEGACY_ENABLE_MPU_INT | LEGACY_ENABLE_MPU;
2106 val |= (chip->irq << 4) & 0xf0;
2107 pci_write_config_word(chip->pci, PCI_EXT_Legacy_Mask, val);
2108 if (mpu_port[dev]) {
2109 val = mpu_port[dev];
2110 pci_write_config_word(chip->pci, PCI_EXT_MPU_Base, val);
2111 err = snd_mpu401_uart_new(card, 0, MPU401_HW_RIPTIDE,
2112 val, 0, chip->irq, 0,
2113 &chip->rmidi);
2114 if (err < 0)
2115 snd_printk(KERN_WARNING
2116 "Riptide: Can't Allocate MPU at 0x%x\n",
2117 val);
2118 else
2119 chip->mpuaddr = val;
2120 }
2121 if (opl3_port[dev]) {
2122 val = opl3_port[dev];
2123 pci_write_config_word(chip->pci, PCI_EXT_FM_Base, val);
2124 err = snd_opl3_create(card, val, val + 2,
2125 OPL3_HW_RIPTIDE, 0, &chip->opl3);
2126 if (err < 0)
2127 snd_printk(KERN_WARNING
2128 "Riptide: Can't Allocate OPL3 at 0x%x\n",
2129 val);
2130 else {
2131 chip->opladdr = val;
2132 err = snd_opl3_hwdep_new(chip->opl3, 0, 1, NULL);
2133 if (err < 0)
2134 snd_printk(KERN_WARNING
2135 "Riptide: Can't Allocate OPL3-HWDEP\n");
2136 }
2137 }
2138 #ifdef SUPPORT_JOYSTICK
2139 if (joystick_port[dev]) {
2140 val = joystick_port[dev];
2141 pci_write_config_word(chip->pci, PCI_EXT_Game_Base, val);
2142 chip->gameaddr = val;
2143 }
2144 #endif
2145
2146 strcpy(card->driver, "RIPTIDE");
2147 strcpy(card->shortname, "Riptide");
2148 #ifdef SUPPORT_JOYSTICK
2149 snprintf(card->longname, sizeof(card->longname),
2150 "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x gameport 0x%x",
2151 card->shortname, chip->port, chip->irq, chip->mpuaddr,
2152 chip->opladdr, chip->gameaddr);
2153 #else
2154 snprintf(card->longname, sizeof(card->longname),
2155 "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x",
2156 card->shortname, chip->port, chip->irq, chip->mpuaddr,
2157 chip->opladdr);
2158 #endif
2159 snd_riptide_proc_init(chip);
2160 err = snd_card_register(card);
2161 if (err < 0)
2162 goto error;
2163 pci_set_drvdata(pci, card);
2164 dev++;
2165 return 0;
2166
2167 error:
2168 snd_card_free(card);
2169 return err;
2170 }
2171
2172 static void __devexit snd_card_riptide_remove(struct pci_dev *pci)
2173 {
2174 snd_card_free(pci_get_drvdata(pci));
2175 pci_set_drvdata(pci, NULL);
2176 }
2177
2178 static struct pci_driver driver = {
2179 .name = "RIPTIDE",
2180 .id_table = snd_riptide_ids,
2181 .probe = snd_card_riptide_probe,
2182 .remove = __devexit_p(snd_card_riptide_remove),
2183 #ifdef CONFIG_PM
2184 .suspend = riptide_suspend,
2185 .resume = riptide_resume,
2186 #endif
2187 };
2188
2189 #ifdef SUPPORT_JOYSTICK
2190 static struct pci_driver joystick_driver = {
2191 .name = "Riptide Joystick",
2192 .id_table = snd_riptide_joystick_ids,
2193 .probe = snd_riptide_joystick_probe,
2194 .remove = __devexit_p(snd_riptide_joystick_remove),
2195 };
2196 #endif
2197
2198 static int __init alsa_card_riptide_init(void)
2199 {
2200 int err;
2201 err = pci_register_driver(&driver);
2202 if (err < 0)
2203 return err;
2204 #if defined(SUPPORT_JOYSTICK)
2205 err = pci_register_driver(&joystick_driver);
2206 /* On failure unregister formerly registered audio driver */
2207 if (err < 0)
2208 pci_unregister_driver(&driver);
2209 #endif
2210 return err;
2211 }
2212
2213 static void __exit alsa_card_riptide_exit(void)
2214 {
2215 pci_unregister_driver(&driver);
2216 #if defined(SUPPORT_JOYSTICK)
2217 pci_unregister_driver(&joystick_driver);
2218 #endif
2219 }
2220
2221 module_init(alsa_card_riptide_init);
2222 module_exit(alsa_card_riptide_exit);
Tomato firmware and modifications.