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 <linux/module.h> 102 #include <linux/io.h> 103 #include <sound/core.h> 104 #include <sound/info.h> 105 #include <sound/control.h> 106 #include <sound/pcm.h> 107 #include <sound/pcm_params.h> 108 #include <sound/ac97_codec.h> 109 #include <sound/mpu401.h> 110 #include <sound/opl3.h> 111 #include <sound/initval.h> 112 113 #if IS_REACHABLE(CONFIG_GAMEPORT) 114 #define SUPPORT_JOYSTICK 1 115 #endif 116 117 MODULE_AUTHOR("Peter Gruber <nokos@gmx.net>"); 118 MODULE_DESCRIPTION("riptide"); 119 MODULE_LICENSE("GPL"); 120 MODULE_SUPPORTED_DEVICE("{{Conexant,Riptide}}"); 121 MODULE_FIRMWARE("riptide.hex"); 122 123 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; 124 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; 125 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; 126 127 #ifdef SUPPORT_JOYSTICK 128 static int joystick_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x200 }; 129 #endif 130 static int mpu_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x330 }; 131 static int opl3_port[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS - 1)] = 0x388 }; 132 133 module_param_array(index, int, NULL, 0444); 134 MODULE_PARM_DESC(index, "Index value for Riptide soundcard."); 135 module_param_array(id, charp, NULL, 0444); 136 MODULE_PARM_DESC(id, "ID string for Riptide soundcard."); 137 module_param_array(enable, bool, NULL, 0444); 138 MODULE_PARM_DESC(enable, "Enable Riptide soundcard."); 139 #ifdef SUPPORT_JOYSTICK 140 module_param_hw_array(joystick_port, int, ioport, NULL, 0444); 141 MODULE_PARM_DESC(joystick_port, "Joystick port # for Riptide soundcard."); 142 #endif 143 module_param_hw_array(mpu_port, int, ioport, NULL, 0444); 144 MODULE_PARM_DESC(mpu_port, "MPU401 port # for Riptide driver."); 145 module_param_hw_array(opl3_port, int, ioport, NULL, 0444); 146 MODULE_PARM_DESC(opl3_port, "OPL3 port # for Riptide driver."); 147 148 /* 149 */ 150 151 #define MPU401_HW_RIPTIDE MPU401_HW_MPU401 152 #define OPL3_HW_RIPTIDE OPL3_HW_OPL3 153 154 #define PCI_EXT_CapId 0x40 155 #define PCI_EXT_NextCapPrt 0x41 156 #define PCI_EXT_PWMC 0x42 157 #define PCI_EXT_PWSCR 0x44 158 #define PCI_EXT_Data00 0x46 159 #define PCI_EXT_PMSCR_BSE 0x47 160 #define PCI_EXT_SB_Base 0x48 161 #define PCI_EXT_FM_Base 0x4a 162 #define PCI_EXT_MPU_Base 0x4C 163 #define PCI_EXT_Game_Base 0x4E 164 #define PCI_EXT_Legacy_Mask 0x50 165 #define PCI_EXT_AsicRev 0x52 166 #define PCI_EXT_Reserved3 0x53 167 168 #define LEGACY_ENABLE_ALL 0x8000 /* legacy device options */ 169 #define LEGACY_ENABLE_SB 0x4000 170 #define LEGACY_ENABLE_FM 0x2000 171 #define LEGACY_ENABLE_MPU_INT 0x1000 172 #define LEGACY_ENABLE_MPU 0x0800 173 #define LEGACY_ENABLE_GAMEPORT 0x0400 174 175 #define MAX_WRITE_RETRY 10 /* cmd interface limits */ 176 #define MAX_ERROR_COUNT 10 177 #define CMDIF_TIMEOUT 50000 178 #define RESET_TRIES 5 179 180 #define READ_PORT_ULONG(p) inl((unsigned long)&(p)) 181 #define WRITE_PORT_ULONG(p,x) outl(x,(unsigned long)&(p)) 182 183 #define READ_AUDIO_CONTROL(p) READ_PORT_ULONG(p->audio_control) 184 #define WRITE_AUDIO_CONTROL(p,x) WRITE_PORT_ULONG(p->audio_control,x) 185 #define UMASK_AUDIO_CONTROL(p,x) WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)|x) 186 #define MASK_AUDIO_CONTROL(p,x) WRITE_PORT_ULONG(p->audio_control,READ_PORT_ULONG(p->audio_control)&x) 187 #define READ_AUDIO_STATUS(p) READ_PORT_ULONG(p->audio_status) 188 189 #define SET_GRESET(p) UMASK_AUDIO_CONTROL(p,0x0001) /* global reset switch */ 190 #define UNSET_GRESET(p) MASK_AUDIO_CONTROL(p,~0x0001) 191 #define SET_AIE(p) UMASK_AUDIO_CONTROL(p,0x0004) /* interrupt enable */ 192 #define UNSET_AIE(p) MASK_AUDIO_CONTROL(p,~0x0004) 193 #define SET_AIACK(p) UMASK_AUDIO_CONTROL(p,0x0008) /* interrupt acknowledge */ 194 #define UNSET_AIACKT(p) MASKAUDIO_CONTROL(p,~0x0008) 195 #define SET_ECMDAE(p) UMASK_AUDIO_CONTROL(p,0x0010) 196 #define UNSET_ECMDAE(p) MASK_AUDIO_CONTROL(p,~0x0010) 197 #define SET_ECMDBE(p) UMASK_AUDIO_CONTROL(p,0x0020) 198 #define UNSET_ECMDBE(p) MASK_AUDIO_CONTROL(p,~0x0020) 199 #define SET_EDATAF(p) UMASK_AUDIO_CONTROL(p,0x0040) 200 #define UNSET_EDATAF(p) MASK_AUDIO_CONTROL(p,~0x0040) 201 #define SET_EDATBF(p) UMASK_AUDIO_CONTROL(p,0x0080) 202 #define UNSET_EDATBF(p) MASK_AUDIO_CONTROL(p,~0x0080) 203 #define SET_ESBIRQON(p) UMASK_AUDIO_CONTROL(p,0x0100) 204 #define UNSET_ESBIRQON(p) MASK_AUDIO_CONTROL(p,~0x0100) 205 #define SET_EMPUIRQ(p) UMASK_AUDIO_CONTROL(p,0x0200) 206 #define UNSET_EMPUIRQ(p) MASK_AUDIO_CONTROL(p,~0x0200) 207 #define IS_CMDE(a) (READ_PORT_ULONG(a->stat)&0x1) /* cmd empty */ 208 #define IS_DATF(a) (READ_PORT_ULONG(a->stat)&0x2) /* data filled */ 209 #define IS_READY(p) (READ_AUDIO_STATUS(p)&0x0001) 210 #define IS_DLREADY(p) (READ_AUDIO_STATUS(p)&0x0002) 211 #define IS_DLERR(p) (READ_AUDIO_STATUS(p)&0x0004) 212 #define IS_GERR(p) (READ_AUDIO_STATUS(p)&0x0008) /* error ! */ 213 #define IS_CMDAEIRQ(p) (READ_AUDIO_STATUS(p)&0x0010) 214 #define IS_CMDBEIRQ(p) (READ_AUDIO_STATUS(p)&0x0020) 215 #define IS_DATAFIRQ(p) (READ_AUDIO_STATUS(p)&0x0040) 216 #define IS_DATBFIRQ(p) (READ_AUDIO_STATUS(p)&0x0080) 217 #define IS_EOBIRQ(p) (READ_AUDIO_STATUS(p)&0x0100) /* interrupt status */ 218 #define IS_EOSIRQ(p) (READ_AUDIO_STATUS(p)&0x0200) 219 #define IS_EOCIRQ(p) (READ_AUDIO_STATUS(p)&0x0400) 220 #define IS_UNSLIRQ(p) (READ_AUDIO_STATUS(p)&0x0800) 221 #define IS_SBIRQ(p) (READ_AUDIO_STATUS(p)&0x1000) 222 #define IS_MPUIRQ(p) (READ_AUDIO_STATUS(p)&0x2000) 223 224 #define RESP 0x00000001 /* command flags */ 225 #define PARM 0x00000002 226 #define CMDA 0x00000004 227 #define CMDB 0x00000008 228 #define NILL 0x00000000 229 230 #define LONG0(a) ((u32)a) /* shifts and masks */ 231 #define BYTE0(a) (LONG0(a)&0xff) 232 #define BYTE1(a) (BYTE0(a)<<8) 233 #define BYTE2(a) (BYTE0(a)<<16) 234 #define BYTE3(a) (BYTE0(a)<<24) 235 #define WORD0(a) (LONG0(a)&0xffff) 236 #define WORD1(a) (WORD0(a)<<8) 237 #define WORD2(a) (WORD0(a)<<16) 238 #define TRINIB0(a) (LONG0(a)&0xffffff) 239 #define TRINIB1(a) (TRINIB0(a)<<8) 240 241 #define RET(a) ((union cmdret *)(a)) 242 243 #define SEND_GETV(p,b) sendcmd(p,RESP,GETV,0,RET(b)) /* get version */ 244 #define SEND_GETC(p,b,c) sendcmd(p,PARM|RESP,GETC,c,RET(b)) 245 #define SEND_GUNS(p,b) sendcmd(p,RESP,GUNS,0,RET(b)) 246 #define SEND_SCID(p,b) sendcmd(p,RESP,SCID,0,RET(b)) 247 #define SEND_RMEM(p,b,c,d) sendcmd(p,PARM|RESP,RMEM|BYTE1(b),LONG0(c),RET(d)) /* memory access for firmware write */ 248 #define SEND_SMEM(p,b,c) sendcmd(p,PARM,SMEM|BYTE1(b),LONG0(c),RET(0)) /* memory access for firmware write */ 249 #define SEND_WMEM(p,b,c) sendcmd(p,PARM,WMEM|BYTE1(b),LONG0(c),RET(0)) /* memory access for firmware write */ 250 #define SEND_SDTM(p,b,c) sendcmd(p,PARM|RESP,SDTM|TRINIB1(b),0,RET(c)) /* memory access for firmware write */ 251 #define SEND_GOTO(p,b) sendcmd(p,PARM,GOTO,LONG0(b),RET(0)) /* memory access for firmware write */ 252 #define SEND_SETDPLL(p) sendcmd(p,0,ARM_SETDPLL,0,RET(0)) 253 #define SEND_SSTR(p,b,c) sendcmd(p,PARM,SSTR|BYTE3(b),LONG0(c),RET(0)) /* start stream */ 254 #define SEND_PSTR(p,b) sendcmd(p,PARM,PSTR,BYTE3(b),RET(0)) /* pause stream */ 255 #define SEND_KSTR(p,b) sendcmd(p,PARM,KSTR,BYTE3(b),RET(0)) /* stop stream */ 256 #define SEND_KDMA(p) sendcmd(p,0,KDMA,0,RET(0)) /* stop all dma */ 257 #define SEND_GPOS(p,b,c,d) sendcmd(p,PARM|RESP,GPOS,BYTE3(c)|BYTE2(b),RET(d)) /* get position in dma */ 258 #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 */ 259 #define SEND_GSTS(p,b,c,d) sendcmd(p,PARM|RESP,GSTS,BYTE3(c)|BYTE2(b),RET(d)) 260 #define SEND_NGPOS(p,b,c,d) sendcmd(p,PARM|RESP,NGPOS,BYTE3(c)|BYTE2(b),RET(d)) 261 #define SEND_PSEL(p,b,c) sendcmd(p,PARM,PSEL,BYTE2(b)|BYTE3(c),RET(0)) /* activate lbus path */ 262 #define SEND_PCLR(p,b,c) sendcmd(p,PARM,PCLR,BYTE2(b)|BYTE3(c),RET(0)) /* deactivate lbus path */ 263 #define SEND_PLST(p,b) sendcmd(p,PARM,PLST,BYTE3(b),RET(0)) 264 #define SEND_RSSV(p,b,c,d) sendcmd(p,PARM|RESP,RSSV,BYTE2(b)|BYTE3(c),RET(d)) 265 #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 */ 266 #define SEND_SSRC(p,b,c,d,e) sendcmd(p,PARM,SSRC|BYTE1(b)|WORD2(c),WORD0(d)|WORD2(e),RET(0)) /* configure source */ 267 #define SEND_SLST(p,b) sendcmd(p,PARM,SLST,BYTE3(b),RET(0)) 268 #define SEND_RSRC(p,b,c) sendcmd(p,RESP,RSRC|BYTE1(b),0,RET(c)) /* read source config */ 269 #define SEND_SSRB(p,b,c) sendcmd(p,PARM,SSRB|BYTE1(b),WORD2(c),RET(0)) 270 #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 */ 271 #define SEND_RDGV(p,b,c,d) sendcmd(p,PARM|RESP,RDGV|BYTE2(b)|BYTE3(c),0,RET(d)) /* read digital mixer */ 272 #define SEND_DLST(p,b) sendcmd(p,PARM,DLST,BYTE3(b),RET(0)) 273 #define SEND_SACR(p,b,c) sendcmd(p,PARM,SACR,WORD0(b)|WORD2(c),RET(0)) /* set AC97 register */ 274 #define SEND_RACR(p,b,c) sendcmd(p,PARM|RESP,RACR,WORD2(b),RET(c)) /* get AC97 register */ 275 #define SEND_ALST(p,b) sendcmd(p,PARM,ALST,BYTE3(b),RET(0)) 276 #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)) 277 #define SEND_RXAC(p,b,c,d) sendcmd(p,PARM|RESP,RXAC,BYTE2(b)|BYTE3(c),RET(d)) 278 #define SEND_SI2S(p,b) sendcmd(p,PARM,SI2S,WORD2(b),RET(0)) 279 280 #define EOB_STATUS 0x80000000 /* status flags : block boundary */ 281 #define EOS_STATUS 0x40000000 /* : stoppped */ 282 #define EOC_STATUS 0x20000000 /* : stream end */ 283 #define ERR_STATUS 0x10000000 284 #define EMPTY_STATUS 0x08000000 285 286 #define IEOB_ENABLE 0x1 /* enable interrupts for status notification above */ 287 #define IEOS_ENABLE 0x2 288 #define IEOC_ENABLE 0x4 289 #define RDONCE 0x8 290 #define DESC_MAX_MASK 0xff 291 292 #define ST_PLAY 0x1 /* stream states */ 293 #define ST_STOP 0x2 294 #define ST_PAUSE 0x4 295 296 #define I2S_INTDEC 3 /* config for I2S link */ 297 #define I2S_MERGER 0 298 #define I2S_SPLITTER 0 299 #define I2S_MIXER 7 300 #define I2S_RATE 44100 301 302 #define MODEM_INTDEC 4 /* config for modem link */ 303 #define MODEM_MERGER 3 304 #define MODEM_SPLITTER 0 305 #define MODEM_MIXER 11 306 307 #define FM_INTDEC 3 /* config for FM/OPL3 link */ 308 #define FM_MERGER 0 309 #define FM_SPLITTER 0 310 #define FM_MIXER 9 311 312 #define SPLIT_PATH 0x80 /* path splitting flag */ 313 314 enum FIRMWARE { 315 DATA_REC = 0, EXT_END_OF_FILE, EXT_SEG_ADDR_REC, EXT_GOTO_CMD_REC, 316 EXT_LIN_ADDR_REC, 317 }; 318 319 enum CMDS { 320 GETV = 0x00, GETC, GUNS, SCID, RMEM = 321 0x10, SMEM, WMEM, SDTM, GOTO, SSTR = 322 0x20, PSTR, KSTR, KDMA, GPOS, SETF, GSTS, NGPOS, PSEL = 323 0x30, PCLR, PLST, RSSV, LSEL, SSRC = 0x40, SLST, RSRC, SSRB, SDGV = 324 0x50, RDGV, DLST, SACR = 0x60, RACR, ALST, TXAC, RXAC, SI2S = 325 0x70, ARM_SETDPLL = 0x72, 326 }; 327 328 enum E1SOURCE { 329 ARM2LBUS_FIFO0 = 0, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2, ARM2LBUS_FIFO3, 330 ARM2LBUS_FIFO4, ARM2LBUS_FIFO5, ARM2LBUS_FIFO6, ARM2LBUS_FIFO7, 331 ARM2LBUS_FIFO8, ARM2LBUS_FIFO9, ARM2LBUS_FIFO10, ARM2LBUS_FIFO11, 332 ARM2LBUS_FIFO12, ARM2LBUS_FIFO13, ARM2LBUS_FIFO14, ARM2LBUS_FIFO15, 333 INTER0_OUT, INTER1_OUT, INTER2_OUT, INTER3_OUT, INTER4_OUT, 334 INTERM0_OUT, INTERM1_OUT, INTERM2_OUT, INTERM3_OUT, INTERM4_OUT, 335 INTERM5_OUT, INTERM6_OUT, DECIMM0_OUT, DECIMM1_OUT, DECIMM2_OUT, 336 DECIMM3_OUT, DECIM0_OUT, SR3_4_OUT, OPL3_SAMPLE, ASRC0, ASRC1, 337 ACLNK2PADC, ACLNK2MODEM0RX, ACLNK2MIC, ACLNK2MODEM1RX, ACLNK2HNDMIC, 338 DIGITAL_MIXER_OUT0, GAINFUNC0_OUT, GAINFUNC1_OUT, GAINFUNC2_OUT, 339 GAINFUNC3_OUT, GAINFUNC4_OUT, SOFTMODEMTX, SPLITTER0_OUTL, 340 SPLITTER0_OUTR, SPLITTER1_OUTL, SPLITTER1_OUTR, SPLITTER2_OUTL, 341 SPLITTER2_OUTR, SPLITTER3_OUTL, SPLITTER3_OUTR, MERGER0_OUT, 342 MERGER1_OUT, MERGER2_OUT, MERGER3_OUT, ARM2LBUS_FIFO_DIRECT, NO_OUT 343 }; 344 345 enum E2SINK { 346 LBUS2ARM_FIFO0 = 0, LBUS2ARM_FIFO1, LBUS2ARM_FIFO2, LBUS2ARM_FIFO3, 347 LBUS2ARM_FIFO4, LBUS2ARM_FIFO5, LBUS2ARM_FIFO6, LBUS2ARM_FIFO7, 348 INTER0_IN, INTER1_IN, INTER2_IN, INTER3_IN, INTER4_IN, INTERM0_IN, 349 INTERM1_IN, INTERM2_IN, INTERM3_IN, INTERM4_IN, INTERM5_IN, INTERM6_IN, 350 DECIMM0_IN, DECIMM1_IN, DECIMM2_IN, DECIMM3_IN, DECIM0_IN, SR3_4_IN, 351 PDAC2ACLNK, MODEM0TX2ACLNK, MODEM1TX2ACLNK, HNDSPK2ACLNK, 352 DIGITAL_MIXER_IN0, DIGITAL_MIXER_IN1, DIGITAL_MIXER_IN2, 353 DIGITAL_MIXER_IN3, DIGITAL_MIXER_IN4, DIGITAL_MIXER_IN5, 354 DIGITAL_MIXER_IN6, DIGITAL_MIXER_IN7, DIGITAL_MIXER_IN8, 355 DIGITAL_MIXER_IN9, DIGITAL_MIXER_IN10, DIGITAL_MIXER_IN11, 356 GAINFUNC0_IN, GAINFUNC1_IN, GAINFUNC2_IN, GAINFUNC3_IN, GAINFUNC4_IN, 357 SOFTMODEMRX, SPLITTER0_IN, SPLITTER1_IN, SPLITTER2_IN, SPLITTER3_IN, 358 MERGER0_INL, MERGER0_INR, MERGER1_INL, MERGER1_INR, MERGER2_INL, 359 MERGER2_INR, MERGER3_INL, MERGER3_INR, E2SINK_MAX 360 }; 361 362 enum LBUS_SINK { 363 LS_SRC_INTERPOLATOR = 0, LS_SRC_INTERPOLATORM, LS_SRC_DECIMATOR, 364 LS_SRC_DECIMATORM, LS_MIXER_IN, LS_MIXER_GAIN_FUNCTION, 365 LS_SRC_SPLITTER, LS_SRC_MERGER, LS_NONE1, LS_NONE2, 366 }; 367 368 enum RT_CHANNEL_IDS { 369 M0TX = 0, M1TX, TAMTX, HSSPKR, PDAC, DSNDTX0, DSNDTX1, DSNDTX2, 370 DSNDTX3, DSNDTX4, DSNDTX5, DSNDTX6, DSNDTX7, WVSTRTX, COP3DTX, SPARE, 371 M0RX, HSMIC, M1RX, CLEANRX, MICADC, PADC, COPRX1, COPRX2, 372 CHANNEL_ID_COUNTER 373 }; 374 375 enum { SB_CMD = 0, MODEM_CMD, I2S_CMD0, I2S_CMD1, FM_CMD, MAX_CMD }; 376 377 struct lbuspath { 378 unsigned char *noconv; 379 unsigned char *stereo; 380 unsigned char *mono; 381 }; 382 383 struct cmdport { 384 u32 data1; /* cmd,param */ 385 u32 data2; /* param */ 386 u32 stat; /* status */ 387 u32 pad[5]; 388 }; 389 390 struct riptideport { 391 u32 audio_control; /* status registers */ 392 u32 audio_status; 393 u32 pad[2]; 394 struct cmdport port[2]; /* command ports */ 395 }; 396 397 struct cmdif { 398 struct riptideport *hwport; 399 spinlock_t lock; 400 unsigned int cmdcnt; /* cmd statistics */ 401 unsigned int cmdtime; 402 unsigned int cmdtimemax; 403 unsigned int cmdtimemin; 404 unsigned int errcnt; 405 int is_reset; 406 }; 407 408 struct riptide_firmware { 409 u16 ASIC; 410 u16 CODEC; 411 u16 AUXDSP; 412 u16 PROG; 413 }; 414 415 union cmdret { 416 u8 retbytes[8]; 417 u16 retwords[4]; 418 u32 retlongs[2]; 419 }; 420 421 union firmware_version { 422 union cmdret ret; 423 struct riptide_firmware firmware; 424 }; 425 426 #define get_pcmhwdev(substream) (struct pcmhw *)(substream->runtime->private_data) 427 428 #define PLAYBACK_SUBSTREAMS 3 429 struct snd_riptide { 430 struct snd_card *card; 431 struct pci_dev *pci; 432 const struct firmware *fw_entry; 433 434 struct cmdif *cif; 435 436 struct snd_pcm *pcm; 437 struct snd_pcm *pcm_i2s; 438 struct snd_rawmidi *rmidi; 439 struct snd_opl3 *opl3; 440 struct snd_ac97 *ac97; 441 struct snd_ac97_bus *ac97_bus; 442 443 struct snd_pcm_substream *playback_substream[PLAYBACK_SUBSTREAMS]; 444 struct snd_pcm_substream *capture_substream; 445 446 int openstreams; 447 448 int irq; 449 unsigned long port; 450 unsigned short mpuaddr; 451 unsigned short opladdr; 452 #ifdef SUPPORT_JOYSTICK 453 unsigned short gameaddr; 454 #endif 455 struct resource *res_port; 456 457 unsigned short device_id; 458 459 union firmware_version firmware; 460 461 spinlock_t lock; 462 struct tasklet_struct riptide_tq; 463 struct snd_info_entry *proc_entry; 464 465 unsigned long received_irqs; 466 unsigned long handled_irqs; 467 #ifdef CONFIG_PM_SLEEP 468 int in_suspend; 469 #endif 470 }; 471 472 struct sgd { /* scatter gather desriptor */ 473 __le32 dwNextLink; 474 __le32 dwSegPtrPhys; 475 __le32 dwSegLen; 476 __le32 dwStat_Ctl; 477 }; 478 479 struct pcmhw { /* pcm descriptor */ 480 struct lbuspath paths; 481 unsigned char *lbuspath; 482 unsigned char source; 483 unsigned char intdec[2]; 484 unsigned char mixer; 485 unsigned char id; 486 unsigned char state; 487 unsigned int rate; 488 unsigned int channels; 489 snd_pcm_format_t format; 490 struct snd_dma_buffer sgdlist; 491 struct sgd *sgdbuf; 492 unsigned int size; 493 unsigned int pages; 494 unsigned int oldpos; 495 unsigned int pointer; 496 }; 497 498 #define CMDRET_ZERO (union cmdret){{(u32)0, (u32) 0}} 499 500 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm, 501 union cmdret *ret); 502 static int getsourcesink(struct cmdif *cif, unsigned char source, 503 unsigned char sink, unsigned char *a, 504 unsigned char *b); 505 static int snd_riptide_initialize(struct snd_riptide *chip); 506 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip); 507 508 /* 509 */ 510 511 static const struct pci_device_id snd_riptide_ids[] = { 512 { PCI_DEVICE(0x127a, 0x4310) }, 513 { PCI_DEVICE(0x127a, 0x4320) }, 514 { PCI_DEVICE(0x127a, 0x4330) }, 515 { PCI_DEVICE(0x127a, 0x4340) }, 516 {0,}, 517 }; 518 519 #ifdef SUPPORT_JOYSTICK 520 static const struct pci_device_id snd_riptide_joystick_ids[] = { 521 { PCI_DEVICE(0x127a, 0x4312) }, 522 { PCI_DEVICE(0x127a, 0x4322) }, 523 { PCI_DEVICE(0x127a, 0x4332) }, 524 { PCI_DEVICE(0x127a, 0x4342) }, 525 {0,}, 526 }; 527 #endif 528 529 MODULE_DEVICE_TABLE(pci, snd_riptide_ids); 530 531 /* 532 */ 533 534 static unsigned char lbusin2out[E2SINK_MAX + 1][2] = { 535 {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT, 536 LS_NONE2}, 537 {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, {NO_OUT, 538 LS_NONE2}, 539 {INTER0_OUT, LS_SRC_INTERPOLATOR}, {INTER1_OUT, LS_SRC_INTERPOLATOR}, 540 {INTER2_OUT, LS_SRC_INTERPOLATOR}, {INTER3_OUT, LS_SRC_INTERPOLATOR}, 541 {INTER4_OUT, LS_SRC_INTERPOLATOR}, {INTERM0_OUT, LS_SRC_INTERPOLATORM}, 542 {INTERM1_OUT, LS_SRC_INTERPOLATORM}, {INTERM2_OUT, 543 LS_SRC_INTERPOLATORM}, 544 {INTERM3_OUT, LS_SRC_INTERPOLATORM}, {INTERM4_OUT, 545 LS_SRC_INTERPOLATORM}, 546 {INTERM5_OUT, LS_SRC_INTERPOLATORM}, {INTERM6_OUT, 547 LS_SRC_INTERPOLATORM}, 548 {DECIMM0_OUT, LS_SRC_DECIMATORM}, {DECIMM1_OUT, LS_SRC_DECIMATORM}, 549 {DECIMM2_OUT, LS_SRC_DECIMATORM}, {DECIMM3_OUT, LS_SRC_DECIMATORM}, 550 {DECIM0_OUT, LS_SRC_DECIMATOR}, {SR3_4_OUT, LS_NONE1}, {NO_OUT, 551 LS_NONE2}, 552 {NO_OUT, LS_NONE1}, {NO_OUT, LS_NONE2}, {NO_OUT, LS_NONE1}, 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 {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, {DIGITAL_MIXER_OUT0, LS_MIXER_IN}, 559 {GAINFUNC0_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC1_OUT, 560 LS_MIXER_GAIN_FUNCTION}, 561 {GAINFUNC2_OUT, LS_MIXER_GAIN_FUNCTION}, {GAINFUNC3_OUT, 562 LS_MIXER_GAIN_FUNCTION}, 563 {GAINFUNC4_OUT, LS_MIXER_GAIN_FUNCTION}, {SOFTMODEMTX, LS_NONE1}, 564 {SPLITTER0_OUTL, LS_SRC_SPLITTER}, {SPLITTER1_OUTL, LS_SRC_SPLITTER}, 565 {SPLITTER2_OUTL, LS_SRC_SPLITTER}, {SPLITTER3_OUTL, LS_SRC_SPLITTER}, 566 {MERGER0_OUT, LS_SRC_MERGER}, {MERGER0_OUT, LS_SRC_MERGER}, 567 {MERGER1_OUT, LS_SRC_MERGER}, 568 {MERGER1_OUT, LS_SRC_MERGER}, {MERGER2_OUT, LS_SRC_MERGER}, 569 {MERGER2_OUT, LS_SRC_MERGER}, 570 {MERGER3_OUT, LS_SRC_MERGER}, {MERGER3_OUT, LS_SRC_MERGER}, {NO_OUT, 571 LS_NONE2}, 572 }; 573 574 static unsigned char lbus_play_opl3[] = { 575 DIGITAL_MIXER_IN0 + FM_MIXER, 0xff 576 }; 577 static unsigned char lbus_play_modem[] = { 578 DIGITAL_MIXER_IN0 + MODEM_MIXER, 0xff 579 }; 580 static unsigned char lbus_play_i2s[] = { 581 INTER0_IN + I2S_INTDEC, DIGITAL_MIXER_IN0 + I2S_MIXER, 0xff 582 }; 583 static unsigned char lbus_play_out[] = { 584 PDAC2ACLNK, 0xff 585 }; 586 static unsigned char lbus_play_outhp[] = { 587 HNDSPK2ACLNK, 0xff 588 }; 589 static unsigned char lbus_play_noconv1[] = { 590 DIGITAL_MIXER_IN0, 0xff 591 }; 592 static unsigned char lbus_play_stereo1[] = { 593 INTER0_IN, DIGITAL_MIXER_IN0, 0xff 594 }; 595 static unsigned char lbus_play_mono1[] = { 596 INTERM0_IN, DIGITAL_MIXER_IN0, 0xff 597 }; 598 static unsigned char lbus_play_noconv2[] = { 599 DIGITAL_MIXER_IN1, 0xff 600 }; 601 static unsigned char lbus_play_stereo2[] = { 602 INTER1_IN, DIGITAL_MIXER_IN1, 0xff 603 }; 604 static unsigned char lbus_play_mono2[] = { 605 INTERM1_IN, DIGITAL_MIXER_IN1, 0xff 606 }; 607 static unsigned char lbus_play_noconv3[] = { 608 DIGITAL_MIXER_IN2, 0xff 609 }; 610 static unsigned char lbus_play_stereo3[] = { 611 INTER2_IN, DIGITAL_MIXER_IN2, 0xff 612 }; 613 static unsigned char lbus_play_mono3[] = { 614 INTERM2_IN, DIGITAL_MIXER_IN2, 0xff 615 }; 616 static unsigned char lbus_rec_noconv1[] = { 617 LBUS2ARM_FIFO5, 0xff 618 }; 619 static unsigned char lbus_rec_stereo1[] = { 620 DECIM0_IN, LBUS2ARM_FIFO5, 0xff 621 }; 622 static unsigned char lbus_rec_mono1[] = { 623 DECIMM3_IN, LBUS2ARM_FIFO5, 0xff 624 }; 625 626 static unsigned char play_ids[] = { 4, 1, 2, }; 627 static unsigned char play_sources[] = { 628 ARM2LBUS_FIFO4, ARM2LBUS_FIFO1, ARM2LBUS_FIFO2, 629 }; 630 static struct lbuspath lbus_play_paths[] = { 631 { 632 .noconv = lbus_play_noconv1, 633 .stereo = lbus_play_stereo1, 634 .mono = lbus_play_mono1, 635 }, 636 { 637 .noconv = lbus_play_noconv2, 638 .stereo = lbus_play_stereo2, 639 .mono = lbus_play_mono2, 640 }, 641 { 642 .noconv = lbus_play_noconv3, 643 .stereo = lbus_play_stereo3, 644 .mono = lbus_play_mono3, 645 }, 646 }; 647 static const struct lbuspath lbus_rec_path = { 648 .noconv = lbus_rec_noconv1, 649 .stereo = lbus_rec_stereo1, 650 .mono = lbus_rec_mono1, 651 }; 652 653 #define FIRMWARE_VERSIONS 1 654 static union firmware_version firmware_versions[] = { 655 { 656 .firmware = { 657 .ASIC = 3, 658 .CODEC = 2, 659 .AUXDSP = 3, 660 .PROG = 773, 661 }, 662 }, 663 }; 664 665 static u32 atoh(const unsigned char *in, unsigned int len) 666 { 667 u32 sum = 0; 668 unsigned int mult = 1; 669 unsigned char c; 670 671 while (len) { 672 int value; 673 674 c = in[len - 1]; 675 value = hex_to_bin(c); 676 if (value >= 0) 677 sum += mult * value; 678 mult *= 16; 679 --len; 680 } 681 return sum; 682 } 683 684 static int senddata(struct cmdif *cif, const unsigned char *in, u32 offset) 685 { 686 u32 addr; 687 u32 data; 688 u32 i; 689 const unsigned char *p; 690 691 i = atoh(&in[1], 2); 692 addr = offset + atoh(&in[3], 4); 693 if (SEND_SMEM(cif, 0, addr) != 0) 694 return -EACCES; 695 p = in + 9; 696 while (i) { 697 data = atoh(p, 8); 698 if (SEND_WMEM(cif, 2, 699 ((data & 0x0f0f0f0f) << 4) | ((data & 0xf0f0f0f0) 700 >> 4))) 701 return -EACCES; 702 i -= 4; 703 p += 8; 704 } 705 return 0; 706 } 707 708 static int loadfirmware(struct cmdif *cif, const unsigned char *img, 709 unsigned int size) 710 { 711 const unsigned char *in; 712 u32 laddr, saddr, t, val; 713 int err = 0; 714 715 laddr = saddr = 0; 716 while (size > 0 && err == 0) { 717 in = img; 718 if (in[0] == ':') { 719 t = atoh(&in[7], 2); 720 switch (t) { 721 case DATA_REC: 722 err = senddata(cif, in, laddr + saddr); 723 break; 724 case EXT_SEG_ADDR_REC: 725 saddr = atoh(&in[9], 4) << 4; 726 break; 727 case EXT_LIN_ADDR_REC: 728 laddr = atoh(&in[9], 4) << 16; 729 break; 730 case EXT_GOTO_CMD_REC: 731 val = atoh(&in[9], 8); 732 if (SEND_GOTO(cif, val) != 0) 733 err = -EACCES; 734 break; 735 case EXT_END_OF_FILE: 736 size = 0; 737 break; 738 default: 739 break; 740 } 741 while (size > 0) { 742 size--; 743 if (*img++ == '\n') 744 break; 745 } 746 } 747 } 748 snd_printdd("load firmware return %d\n", err); 749 return err; 750 } 751 752 static void 753 alloclbuspath(struct cmdif *cif, unsigned char source, 754 unsigned char *path, unsigned char *mixer, unsigned char *s) 755 { 756 while (*path != 0xff) { 757 unsigned char sink, type; 758 759 sink = *path & (~SPLIT_PATH); 760 if (sink != E2SINK_MAX) { 761 snd_printdd("alloc path 0x%x->0x%x\n", source, sink); 762 SEND_PSEL(cif, source, sink); 763 source = lbusin2out[sink][0]; 764 type = lbusin2out[sink][1]; 765 if (type == LS_MIXER_IN) { 766 if (mixer) 767 *mixer = sink - DIGITAL_MIXER_IN0; 768 } 769 if (type == LS_SRC_DECIMATORM || 770 type == LS_SRC_DECIMATOR || 771 type == LS_SRC_INTERPOLATORM || 772 type == LS_SRC_INTERPOLATOR) { 773 if (s) { 774 if (s[0] != 0xff) 775 s[1] = sink; 776 else 777 s[0] = sink; 778 } 779 } 780 } 781 if (*path++ & SPLIT_PATH) { 782 unsigned char *npath = path; 783 784 while (*npath != 0xff) 785 npath++; 786 alloclbuspath(cif, source + 1, ++npath, mixer, s); 787 } 788 } 789 } 790 791 static void 792 freelbuspath(struct cmdif *cif, unsigned char source, unsigned char *path) 793 { 794 while (*path != 0xff) { 795 unsigned char sink; 796 797 sink = *path & (~SPLIT_PATH); 798 if (sink != E2SINK_MAX) { 799 snd_printdd("free path 0x%x->0x%x\n", source, sink); 800 SEND_PCLR(cif, source, sink); 801 source = lbusin2out[sink][0]; 802 } 803 if (*path++ & SPLIT_PATH) { 804 unsigned char *npath = path; 805 806 while (*npath != 0xff) 807 npath++; 808 freelbuspath(cif, source + 1, ++npath); 809 } 810 } 811 } 812 813 static int writearm(struct cmdif *cif, u32 addr, u32 data, u32 mask) 814 { 815 union cmdret rptr = CMDRET_ZERO; 816 unsigned int i = MAX_WRITE_RETRY; 817 int flag = 1; 818 819 SEND_RMEM(cif, 0x02, addr, &rptr); 820 rptr.retlongs[0] &= (~mask); 821 822 while (--i) { 823 SEND_SMEM(cif, 0x01, addr); 824 SEND_WMEM(cif, 0x02, (rptr.retlongs[0] | data)); 825 SEND_RMEM(cif, 0x02, addr, &rptr); 826 if ((rptr.retlongs[0] & data) == data) { 827 flag = 0; 828 break; 829 } else 830 rptr.retlongs[0] &= ~mask; 831 } 832 snd_printdd("send arm 0x%x 0x%x 0x%x return %d\n", addr, data, mask, 833 flag); 834 return flag; 835 } 836 837 static int sendcmd(struct cmdif *cif, u32 flags, u32 cmd, u32 parm, 838 union cmdret *ret) 839 { 840 int i, j; 841 int err; 842 unsigned int time = 0; 843 unsigned long irqflags; 844 struct riptideport *hwport; 845 struct cmdport *cmdport = NULL; 846 847 if (snd_BUG_ON(!cif)) 848 return -EINVAL; 849 850 hwport = cif->hwport; 851 if (cif->errcnt > MAX_ERROR_COUNT) { 852 if (cif->is_reset) { 853 snd_printk(KERN_ERR 854 "Riptide: Too many failed cmds, reinitializing\n"); 855 if (riptide_reset(cif, NULL) == 0) { 856 cif->errcnt = 0; 857 return -EIO; 858 } 859 } 860 snd_printk(KERN_ERR "Riptide: Initialization failed.\n"); 861 return -EINVAL; 862 } 863 if (ret) { 864 ret->retlongs[0] = 0; 865 ret->retlongs[1] = 0; 866 } 867 i = 0; 868 spin_lock_irqsave(&cif->lock, irqflags); 869 while (i++ < CMDIF_TIMEOUT && !IS_READY(cif->hwport)) 870 udelay(10); 871 if (i > CMDIF_TIMEOUT) { 872 err = -EBUSY; 873 goto errout; 874 } 875 876 err = 0; 877 for (j = 0, time = 0; time < CMDIF_TIMEOUT; j++, time += 2) { 878 cmdport = &(hwport->port[j % 2]); 879 if (IS_DATF(cmdport)) { /* free pending data */ 880 READ_PORT_ULONG(cmdport->data1); 881 READ_PORT_ULONG(cmdport->data2); 882 } 883 if (IS_CMDE(cmdport)) { 884 if (flags & PARM) /* put data */ 885 WRITE_PORT_ULONG(cmdport->data2, parm); 886 WRITE_PORT_ULONG(cmdport->data1, cmd); /* write cmd */ 887 if ((flags & RESP) && ret) { 888 while (!IS_DATF(cmdport) && 889 time < CMDIF_TIMEOUT) { 890 udelay(10); 891 time++; 892 } 893 if (time < CMDIF_TIMEOUT) { /* read response */ 894 ret->retlongs[0] = 895 READ_PORT_ULONG(cmdport->data1); 896 ret->retlongs[1] = 897 READ_PORT_ULONG(cmdport->data2); 898 } else { 899 err = -ENOSYS; 900 goto errout; 901 } 902 } 903 break; 904 } 905 udelay(20); 906 } 907 if (time == CMDIF_TIMEOUT) { 908 err = -ENODATA; 909 goto errout; 910 } 911 spin_unlock_irqrestore(&cif->lock, irqflags); 912 913 cif->cmdcnt++; /* update command statistics */ 914 cif->cmdtime += time; 915 if (time > cif->cmdtimemax) 916 cif->cmdtimemax = time; 917 if (time < cif->cmdtimemin) 918 cif->cmdtimemin = time; 919 if ((cif->cmdcnt) % 1000 == 0) 920 snd_printdd 921 ("send cmd %d time: %d mintime: %d maxtime %d err: %d\n", 922 cif->cmdcnt, cif->cmdtime, cif->cmdtimemin, 923 cif->cmdtimemax, cif->errcnt); 924 return 0; 925 926 errout: 927 cif->errcnt++; 928 spin_unlock_irqrestore(&cif->lock, irqflags); 929 snd_printdd 930 ("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", 931 cif->cmdcnt, (int)((void *)&(cmdport->stat) - (void *)hwport), 932 flags, cmd, parm, ret ? ret->retlongs[0] : 0, 933 ret ? ret->retlongs[1] : 0, IS_CMDE(cmdport), IS_DATF(cmdport), 934 err); 935 return err; 936 } 937 938 static int 939 setmixer(struct cmdif *cif, short num, unsigned short rval, unsigned short lval) 940 { 941 union cmdret rptr = CMDRET_ZERO; 942 int i = 0; 943 944 snd_printdd("sent mixer %d: 0x%x 0x%x\n", num, rval, lval); 945 do { 946 SEND_SDGV(cif, num, num, rval, lval); 947 SEND_RDGV(cif, num, num, &rptr); 948 if (rptr.retwords[0] == lval && rptr.retwords[1] == rval) 949 return 0; 950 } while (i++ < MAX_WRITE_RETRY); 951 snd_printdd("sent mixer failed\n"); 952 return -EIO; 953 } 954 955 static int getpaths(struct cmdif *cif, unsigned char *o) 956 { 957 unsigned char src[E2SINK_MAX]; 958 unsigned char sink[E2SINK_MAX]; 959 int i, j = 0; 960 961 for (i = 0; i < E2SINK_MAX; i++) { 962 getsourcesink(cif, i, i, &src[i], &sink[i]); 963 if (sink[i] < E2SINK_MAX) { 964 o[j++] = sink[i]; 965 o[j++] = i; 966 } 967 } 968 return j; 969 } 970 971 static int 972 getsourcesink(struct cmdif *cif, unsigned char source, unsigned char sink, 973 unsigned char *a, unsigned char *b) 974 { 975 union cmdret rptr = CMDRET_ZERO; 976 977 if (SEND_RSSV(cif, source, sink, &rptr) && 978 SEND_RSSV(cif, source, sink, &rptr)) 979 return -EIO; 980 *a = rptr.retbytes[0]; 981 *b = rptr.retbytes[1]; 982 snd_printdd("getsourcesink 0x%x 0x%x\n", *a, *b); 983 return 0; 984 } 985 986 static int 987 getsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int *rate) 988 { 989 unsigned char *s; 990 unsigned int p[2] = { 0, 0 }; 991 int i; 992 union cmdret rptr = CMDRET_ZERO; 993 994 s = intdec; 995 for (i = 0; i < 2; i++) { 996 if (*s != 0xff) { 997 if (SEND_RSRC(cif, *s, &rptr) && 998 SEND_RSRC(cif, *s, &rptr)) 999 return -EIO; 1000 p[i] += rptr.retwords[1]; 1001 p[i] *= rptr.retwords[2]; 1002 p[i] += rptr.retwords[3]; 1003 p[i] /= 65536; 1004 } 1005 s++; 1006 } 1007 if (p[0]) { 1008 if (p[1] != p[0]) 1009 snd_printdd("rates differ %d %d\n", p[0], p[1]); 1010 *rate = (unsigned int)p[0]; 1011 } else 1012 *rate = (unsigned int)p[1]; 1013 snd_printdd("getsampleformat %d %d %d\n", intdec[0], intdec[1], *rate); 1014 return 0; 1015 } 1016 1017 static int 1018 setsampleformat(struct cmdif *cif, 1019 unsigned char mixer, unsigned char id, 1020 unsigned char channels, snd_pcm_format_t format) 1021 { 1022 unsigned char w, ch, sig, order; 1023 1024 snd_printdd 1025 ("setsampleformat mixer: %d id: %d channels: %d format: %d\n", 1026 mixer, id, channels, format); 1027 ch = channels == 1; 1028 w = snd_pcm_format_width(format) == 8; 1029 sig = snd_pcm_format_unsigned(format) != 0; 1030 order = snd_pcm_format_big_endian(format) != 0; 1031 1032 if (SEND_SETF(cif, mixer, w, ch, order, sig, id) && 1033 SEND_SETF(cif, mixer, w, ch, order, sig, id)) { 1034 snd_printdd("setsampleformat failed\n"); 1035 return -EIO; 1036 } 1037 return 0; 1038 } 1039 1040 static int 1041 setsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int rate) 1042 { 1043 u32 D, M, N; 1044 union cmdret rptr = CMDRET_ZERO; 1045 int i; 1046 1047 snd_printdd("setsamplerate intdec: %d,%d rate: %d\n", intdec[0], 1048 intdec[1], rate); 1049 D = 48000; 1050 M = ((rate == 48000) ? 47999 : rate) * 65536; 1051 N = M % D; 1052 M /= D; 1053 for (i = 0; i < 2; i++) { 1054 if (*intdec != 0xff) { 1055 do { 1056 SEND_SSRC(cif, *intdec, D, M, N); 1057 SEND_RSRC(cif, *intdec, &rptr); 1058 } while (rptr.retwords[1] != D && 1059 rptr.retwords[2] != M && 1060 rptr.retwords[3] != N && 1061 i++ < MAX_WRITE_RETRY); 1062 if (i > MAX_WRITE_RETRY) { 1063 snd_printdd("sent samplerate %d: %d failed\n", 1064 *intdec, rate); 1065 return -EIO; 1066 } 1067 } 1068 intdec++; 1069 } 1070 return 0; 1071 } 1072 1073 static int 1074 getmixer(struct cmdif *cif, short num, unsigned short *rval, 1075 unsigned short *lval) 1076 { 1077 union cmdret rptr = CMDRET_ZERO; 1078 1079 if (SEND_RDGV(cif, num, num, &rptr) && SEND_RDGV(cif, num, num, &rptr)) 1080 return -EIO; 1081 *rval = rptr.retwords[0]; 1082 *lval = rptr.retwords[1]; 1083 snd_printdd("got mixer %d: 0x%x 0x%x\n", num, *rval, *lval); 1084 return 0; 1085 } 1086 1087 static void riptide_handleirq(unsigned long dev_id) 1088 { 1089 struct snd_riptide *chip = (void *)dev_id; 1090 struct cmdif *cif = chip->cif; 1091 struct snd_pcm_substream *substream[PLAYBACK_SUBSTREAMS + 1]; 1092 struct snd_pcm_runtime *runtime; 1093 struct pcmhw *data = NULL; 1094 unsigned int pos, period_bytes; 1095 struct sgd *c; 1096 int i, j; 1097 unsigned int flag; 1098 1099 if (!cif) 1100 return; 1101 1102 for (i = 0; i < PLAYBACK_SUBSTREAMS; i++) 1103 substream[i] = chip->playback_substream[i]; 1104 substream[i] = chip->capture_substream; 1105 for (i = 0; i < PLAYBACK_SUBSTREAMS + 1; i++) { 1106 if (substream[i] && 1107 (runtime = substream[i]->runtime) && 1108 (data = runtime->private_data) && data->state != ST_STOP) { 1109 pos = 0; 1110 for (j = 0; j < data->pages; j++) { 1111 c = &data->sgdbuf[j]; 1112 flag = le32_to_cpu(c->dwStat_Ctl); 1113 if (flag & EOB_STATUS) 1114 pos += le32_to_cpu(c->dwSegLen); 1115 if (flag & EOC_STATUS) 1116 pos += le32_to_cpu(c->dwSegLen); 1117 if ((flag & EOS_STATUS) 1118 && (data->state == ST_PLAY)) { 1119 data->state = ST_STOP; 1120 snd_printk(KERN_ERR 1121 "Riptide: DMA stopped unexpectedly\n"); 1122 } 1123 c->dwStat_Ctl = 1124 cpu_to_le32(flag & 1125 ~(EOS_STATUS | EOB_STATUS | 1126 EOC_STATUS)); 1127 } 1128 data->pointer += pos; 1129 pos += data->oldpos; 1130 if (data->state != ST_STOP) { 1131 period_bytes = 1132 frames_to_bytes(runtime, 1133 runtime->period_size); 1134 snd_printdd 1135 ("interrupt 0x%x after 0x%lx of 0x%lx frames in period\n", 1136 READ_AUDIO_STATUS(cif->hwport), 1137 bytes_to_frames(runtime, pos), 1138 runtime->period_size); 1139 j = 0; 1140 if (pos >= period_bytes) { 1141 j++; 1142 while (pos >= period_bytes) 1143 pos -= period_bytes; 1144 } 1145 data->oldpos = pos; 1146 if (j > 0) 1147 snd_pcm_period_elapsed(substream[i]); 1148 } 1149 } 1150 } 1151 } 1152 1153 #ifdef CONFIG_PM_SLEEP 1154 static int riptide_suspend(struct device *dev) 1155 { 1156 struct snd_card *card = dev_get_drvdata(dev); 1157 struct snd_riptide *chip = card->private_data; 1158 1159 chip->in_suspend = 1; 1160 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 1161 snd_ac97_suspend(chip->ac97); 1162 return 0; 1163 } 1164 1165 static int riptide_resume(struct device *dev) 1166 { 1167 struct snd_card *card = dev_get_drvdata(dev); 1168 struct snd_riptide *chip = card->private_data; 1169 1170 snd_riptide_initialize(chip); 1171 snd_ac97_resume(chip->ac97); 1172 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 1173 chip->in_suspend = 0; 1174 return 0; 1175 } 1176 1177 static SIMPLE_DEV_PM_OPS(riptide_pm, riptide_suspend, riptide_resume); 1178 #define RIPTIDE_PM_OPS &riptide_pm 1179 #else 1180 #define RIPTIDE_PM_OPS NULL 1181 #endif /* CONFIG_PM_SLEEP */ 1182 1183 static int try_to_load_firmware(struct cmdif *cif, struct snd_riptide *chip) 1184 { 1185 union firmware_version firmware = { .ret = CMDRET_ZERO }; 1186 int i, timeout, err; 1187 1188 for (i = 0; i < 2; i++) { 1189 WRITE_PORT_ULONG(cif->hwport->port[i].data1, 0); 1190 WRITE_PORT_ULONG(cif->hwport->port[i].data2, 0); 1191 } 1192 SET_GRESET(cif->hwport); 1193 udelay(100); 1194 UNSET_GRESET(cif->hwport); 1195 udelay(100); 1196 1197 for (timeout = 100000; --timeout; udelay(10)) { 1198 if (IS_READY(cif->hwport) && !IS_GERR(cif->hwport)) 1199 break; 1200 } 1201 if (!timeout) { 1202 snd_printk(KERN_ERR 1203 "Riptide: device not ready, audio status: 0x%x " 1204 "ready: %d gerr: %d\n", 1205 READ_AUDIO_STATUS(cif->hwport), 1206 IS_READY(cif->hwport), IS_GERR(cif->hwport)); 1207 return -EIO; 1208 } else { 1209 snd_printdd 1210 ("Riptide: audio status: 0x%x ready: %d gerr: %d\n", 1211 READ_AUDIO_STATUS(cif->hwport), 1212 IS_READY(cif->hwport), IS_GERR(cif->hwport)); 1213 } 1214 1215 SEND_GETV(cif, &firmware.ret); 1216 snd_printdd("Firmware version: ASIC: %d CODEC %d AUXDSP %d PROG %d\n", 1217 firmware.firmware.ASIC, firmware.firmware.CODEC, 1218 firmware.firmware.AUXDSP, firmware.firmware.PROG); 1219 1220 if (!chip) 1221 return 1; 1222 1223 for (i = 0; i < FIRMWARE_VERSIONS; i++) { 1224 if (!memcmp(&firmware_versions[i], &firmware, sizeof(firmware))) 1225 return 1; /* OK */ 1226 1227 } 1228 1229 snd_printdd("Writing Firmware\n"); 1230 if (!chip->fw_entry) { 1231 err = request_firmware(&chip->fw_entry, "riptide.hex", 1232 &chip->pci->dev); 1233 if (err) { 1234 snd_printk(KERN_ERR 1235 "Riptide: Firmware not available %d\n", err); 1236 return -EIO; 1237 } 1238 } 1239 err = loadfirmware(cif, chip->fw_entry->data, chip->fw_entry->size); 1240 if (err) { 1241 snd_printk(KERN_ERR 1242 "Riptide: Could not load firmware %d\n", err); 1243 return err; 1244 } 1245 1246 chip->firmware = firmware; 1247 1248 return 1; /* OK */ 1249 } 1250 1251 static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip) 1252 { 1253 union cmdret rptr = CMDRET_ZERO; 1254 int err, tries; 1255 1256 if (!cif) 1257 return -EINVAL; 1258 1259 cif->cmdcnt = 0; 1260 cif->cmdtime = 0; 1261 cif->cmdtimemax = 0; 1262 cif->cmdtimemin = 0xffffffff; 1263 cif->errcnt = 0; 1264 cif->is_reset = 0; 1265 1266 tries = RESET_TRIES; 1267 do { 1268 err = try_to_load_firmware(cif, chip); 1269 if (err < 0) 1270 return err; 1271 } while (!err && --tries); 1272 1273 SEND_SACR(cif, 0, AC97_RESET); 1274 SEND_RACR(cif, AC97_RESET, &rptr); 1275 snd_printdd("AC97: 0x%x 0x%x\n", rptr.retlongs[0], rptr.retlongs[1]); 1276 1277 SEND_PLST(cif, 0); 1278 SEND_SLST(cif, 0); 1279 SEND_DLST(cif, 0); 1280 SEND_ALST(cif, 0); 1281 SEND_KDMA(cif); 1282 1283 writearm(cif, 0x301F8, 1, 1); 1284 writearm(cif, 0x301F4, 1, 1); 1285 1286 SEND_LSEL(cif, MODEM_CMD, 0, 0, MODEM_INTDEC, MODEM_MERGER, 1287 MODEM_SPLITTER, MODEM_MIXER); 1288 setmixer(cif, MODEM_MIXER, 0x7fff, 0x7fff); 1289 alloclbuspath(cif, ARM2LBUS_FIFO13, lbus_play_modem, NULL, NULL); 1290 1291 SEND_LSEL(cif, FM_CMD, 0, 0, FM_INTDEC, FM_MERGER, FM_SPLITTER, 1292 FM_MIXER); 1293 setmixer(cif, FM_MIXER, 0x7fff, 0x7fff); 1294 writearm(cif, 0x30648 + FM_MIXER * 4, 0x01, 0x00000005); 1295 writearm(cif, 0x301A8, 0x02, 0x00000002); 1296 writearm(cif, 0x30264, 0x08, 0xffffffff); 1297 alloclbuspath(cif, OPL3_SAMPLE, lbus_play_opl3, NULL, NULL); 1298 1299 SEND_SSRC(cif, I2S_INTDEC, 48000, 1300 ((u32) I2S_RATE * 65536) / 48000, 1301 ((u32) I2S_RATE * 65536) % 48000); 1302 SEND_LSEL(cif, I2S_CMD0, 0, 0, I2S_INTDEC, I2S_MERGER, I2S_SPLITTER, 1303 I2S_MIXER); 1304 SEND_SI2S(cif, 1); 1305 alloclbuspath(cif, ARM2LBUS_FIFO0, lbus_play_i2s, NULL, NULL); 1306 alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_out, NULL, NULL); 1307 alloclbuspath(cif, DIGITAL_MIXER_OUT0, lbus_play_outhp, NULL, NULL); 1308 1309 SET_AIACK(cif->hwport); 1310 SET_AIE(cif->hwport); 1311 SET_AIACK(cif->hwport); 1312 cif->is_reset = 1; 1313 1314 return 0; 1315 } 1316 1317 static const struct snd_pcm_hardware snd_riptide_playback = { 1318 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1319 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1320 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID), 1321 .formats = 1322 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 1323 | SNDRV_PCM_FMTBIT_U16_LE, 1324 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000, 1325 .rate_min = 5500, 1326 .rate_max = 48000, 1327 .channels_min = 1, 1328 .channels_max = 2, 1329 .buffer_bytes_max = (64 * 1024), 1330 .period_bytes_min = PAGE_SIZE >> 1, 1331 .period_bytes_max = PAGE_SIZE << 8, 1332 .periods_min = 2, 1333 .periods_max = 64, 1334 .fifo_size = 0, 1335 }; 1336 static const struct snd_pcm_hardware snd_riptide_capture = { 1337 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1338 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1339 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID), 1340 .formats = 1341 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8 1342 | SNDRV_PCM_FMTBIT_U16_LE, 1343 .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000, 1344 .rate_min = 5500, 1345 .rate_max = 48000, 1346 .channels_min = 1, 1347 .channels_max = 2, 1348 .buffer_bytes_max = (64 * 1024), 1349 .period_bytes_min = PAGE_SIZE >> 1, 1350 .period_bytes_max = PAGE_SIZE << 3, 1351 .periods_min = 2, 1352 .periods_max = 64, 1353 .fifo_size = 0, 1354 }; 1355 1356 static snd_pcm_uframes_t snd_riptide_pointer(struct snd_pcm_substream 1357 *substream) 1358 { 1359 struct snd_riptide *chip = snd_pcm_substream_chip(substream); 1360 struct snd_pcm_runtime *runtime = substream->runtime; 1361 struct pcmhw *data = get_pcmhwdev(substream); 1362 struct cmdif *cif = chip->cif; 1363 union cmdret rptr = CMDRET_ZERO; 1364 snd_pcm_uframes_t ret; 1365 1366 SEND_GPOS(cif, 0, data->id, &rptr); 1367 if (data->size && runtime->period_size) { 1368 snd_printdd 1369 ("pointer stream %d position 0x%x(0x%x in buffer) bytes 0x%lx(0x%lx in period) frames\n", 1370 data->id, rptr.retlongs[1], rptr.retlongs[1] % data->size, 1371 bytes_to_frames(runtime, rptr.retlongs[1]), 1372 bytes_to_frames(runtime, 1373 rptr.retlongs[1]) % runtime->period_size); 1374 if (rptr.retlongs[1] > data->pointer) 1375 ret = 1376 bytes_to_frames(runtime, 1377 rptr.retlongs[1] % data->size); 1378 else 1379 ret = 1380 bytes_to_frames(runtime, 1381 data->pointer % data->size); 1382 } else { 1383 snd_printdd("stream not started or strange parms (%d %ld)\n", 1384 data->size, runtime->period_size); 1385 ret = bytes_to_frames(runtime, 0); 1386 } 1387 return ret; 1388 } 1389 1390 static int snd_riptide_trigger(struct snd_pcm_substream *substream, int cmd) 1391 { 1392 int i, j; 1393 struct snd_riptide *chip = snd_pcm_substream_chip(substream); 1394 struct pcmhw *data = get_pcmhwdev(substream); 1395 struct cmdif *cif = chip->cif; 1396 union cmdret rptr = CMDRET_ZERO; 1397 1398 spin_lock(&chip->lock); 1399 switch (cmd) { 1400 case SNDRV_PCM_TRIGGER_START: 1401 case SNDRV_PCM_TRIGGER_RESUME: 1402 if (!(data->state & ST_PLAY)) { 1403 SEND_SSTR(cif, data->id, data->sgdlist.addr); 1404 SET_AIE(cif->hwport); 1405 data->state = ST_PLAY; 1406 if (data->mixer != 0xff) 1407 setmixer(cif, data->mixer, 0x7fff, 0x7fff); 1408 chip->openstreams++; 1409 data->oldpos = 0; 1410 data->pointer = 0; 1411 } 1412 break; 1413 case SNDRV_PCM_TRIGGER_STOP: 1414 case SNDRV_PCM_TRIGGER_SUSPEND: 1415 if (data->mixer != 0xff) 1416 setmixer(cif, data->mixer, 0, 0); 1417 setmixer(cif, data->mixer, 0, 0); 1418 SEND_KSTR(cif, data->id); 1419 data->state = ST_STOP; 1420 chip->openstreams--; 1421 j = 0; 1422 do { 1423 i = rptr.retlongs[1]; 1424 SEND_GPOS(cif, 0, data->id, &rptr); 1425 udelay(1); 1426 } while (i != rptr.retlongs[1] && j++ < MAX_WRITE_RETRY); 1427 if (j > MAX_WRITE_RETRY) 1428 snd_printk(KERN_ERR "Riptide: Could not stop stream!"); 1429 break; 1430 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 1431 if (!(data->state & ST_PAUSE)) { 1432 SEND_PSTR(cif, data->id); 1433 data->state |= ST_PAUSE; 1434 chip->openstreams--; 1435 } 1436 break; 1437 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 1438 if (data->state & ST_PAUSE) { 1439 SEND_SSTR(cif, data->id, data->sgdlist.addr); 1440 data->state &= ~ST_PAUSE; 1441 chip->openstreams++; 1442 } 1443 break; 1444 default: 1445 spin_unlock(&chip->lock); 1446 return -EINVAL; 1447 } 1448 spin_unlock(&chip->lock); 1449 return 0; 1450 } 1451 1452 static int snd_riptide_prepare(struct snd_pcm_substream *substream) 1453 { 1454 struct snd_riptide *chip = snd_pcm_substream_chip(substream); 1455 struct snd_pcm_runtime *runtime = substream->runtime; 1456 struct pcmhw *data = get_pcmhwdev(substream); 1457 struct cmdif *cif = chip->cif; 1458 unsigned char *lbuspath = NULL; 1459 unsigned int rate, channels; 1460 int err = 0; 1461 snd_pcm_format_t format; 1462 1463 if (snd_BUG_ON(!cif || !data)) 1464 return -EINVAL; 1465 1466 snd_printdd("prepare id %d ch: %d f:0x%x r:%d\n", data->id, 1467 runtime->channels, runtime->format, runtime->rate); 1468 1469 spin_lock_irq(&chip->lock); 1470 channels = runtime->channels; 1471 format = runtime->format; 1472 rate = runtime->rate; 1473 switch (channels) { 1474 case 1: 1475 if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE) 1476 lbuspath = data->paths.noconv; 1477 else 1478 lbuspath = data->paths.mono; 1479 break; 1480 case 2: 1481 if (rate == 48000 && format == SNDRV_PCM_FORMAT_S16_LE) 1482 lbuspath = data->paths.noconv; 1483 else 1484 lbuspath = data->paths.stereo; 1485 break; 1486 } 1487 snd_printdd("use sgdlist at 0x%p\n", 1488 data->sgdlist.area); 1489 if (data->sgdlist.area) { 1490 unsigned int i, j, size, pages, f, pt, period; 1491 struct sgd *c, *p = NULL; 1492 1493 size = frames_to_bytes(runtime, runtime->buffer_size); 1494 period = frames_to_bytes(runtime, runtime->period_size); 1495 f = PAGE_SIZE; 1496 while ((size + (f >> 1) - 1) <= (f << 7) && (f << 1) > period) 1497 f = f >> 1; 1498 pages = DIV_ROUND_UP(size, f); 1499 data->size = size; 1500 data->pages = pages; 1501 snd_printdd 1502 ("create sgd size: 0x%x pages %d of size 0x%x for period 0x%x\n", 1503 size, pages, f, period); 1504 pt = 0; 1505 j = 0; 1506 for (i = 0; i < pages; i++) { 1507 unsigned int ofs, addr; 1508 c = &data->sgdbuf[i]; 1509 if (p) 1510 p->dwNextLink = cpu_to_le32(data->sgdlist.addr + 1511 (i * 1512 sizeof(struct 1513 sgd))); 1514 c->dwNextLink = cpu_to_le32(data->sgdlist.addr); 1515 ofs = j << PAGE_SHIFT; 1516 addr = snd_pcm_sgbuf_get_addr(substream, ofs) + pt; 1517 c->dwSegPtrPhys = cpu_to_le32(addr); 1518 pt = (pt + f) % PAGE_SIZE; 1519 if (pt == 0) 1520 j++; 1521 c->dwSegLen = cpu_to_le32(f); 1522 c->dwStat_Ctl = 1523 cpu_to_le32(IEOB_ENABLE | IEOS_ENABLE | 1524 IEOC_ENABLE); 1525 p = c; 1526 size -= f; 1527 } 1528 data->sgdbuf[i].dwSegLen = cpu_to_le32(size); 1529 } 1530 if (lbuspath && lbuspath != data->lbuspath) { 1531 if (data->lbuspath) 1532 freelbuspath(cif, data->source, data->lbuspath); 1533 alloclbuspath(cif, data->source, lbuspath, 1534 &data->mixer, data->intdec); 1535 data->lbuspath = lbuspath; 1536 data->rate = 0; 1537 } 1538 if (data->rate != rate || data->format != format || 1539 data->channels != channels) { 1540 data->rate = rate; 1541 data->format = format; 1542 data->channels = channels; 1543 if (setsampleformat 1544 (cif, data->mixer, data->id, channels, format) 1545 || setsamplerate(cif, data->intdec, rate)) 1546 err = -EIO; 1547 } 1548 spin_unlock_irq(&chip->lock); 1549 return err; 1550 } 1551 1552 static int 1553 snd_riptide_hw_params(struct snd_pcm_substream *substream, 1554 struct snd_pcm_hw_params *hw_params) 1555 { 1556 struct snd_riptide *chip = snd_pcm_substream_chip(substream); 1557 struct pcmhw *data = get_pcmhwdev(substream); 1558 struct snd_dma_buffer *sgdlist = &data->sgdlist; 1559 int err; 1560 1561 snd_printdd("hw params id %d (sgdlist: 0x%p 0x%lx %d)\n", data->id, 1562 sgdlist->area, (unsigned long)sgdlist->addr, 1563 (int)sgdlist->bytes); 1564 if (sgdlist->area) 1565 snd_dma_free_pages(sgdlist); 1566 if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, 1567 snd_dma_pci_data(chip->pci), 1568 sizeof(struct sgd) * (DESC_MAX_MASK + 1), 1569 sgdlist)) < 0) { 1570 snd_printk(KERN_ERR "Riptide: failed to alloc %d dma bytes\n", 1571 (int)sizeof(struct sgd) * (DESC_MAX_MASK + 1)); 1572 return err; 1573 } 1574 data->sgdbuf = (struct sgd *)sgdlist->area; 1575 return snd_pcm_lib_malloc_pages(substream, 1576 params_buffer_bytes(hw_params)); 1577 } 1578 1579 static int snd_riptide_hw_free(struct snd_pcm_substream *substream) 1580 { 1581 struct snd_riptide *chip = snd_pcm_substream_chip(substream); 1582 struct pcmhw *data = get_pcmhwdev(substream); 1583 struct cmdif *cif = chip->cif; 1584 1585 if (cif && data) { 1586 if (data->lbuspath) 1587 freelbuspath(cif, data->source, data->lbuspath); 1588 data->lbuspath = NULL; 1589 data->source = 0xff; 1590 data->intdec[0] = 0xff; 1591 data->intdec[1] = 0xff; 1592 1593 if (data->sgdlist.area) { 1594 snd_dma_free_pages(&data->sgdlist); 1595 data->sgdlist.area = NULL; 1596 } 1597 } 1598 return snd_pcm_lib_free_pages(substream); 1599 } 1600 1601 static int snd_riptide_playback_open(struct snd_pcm_substream *substream) 1602 { 1603 struct snd_riptide *chip = snd_pcm_substream_chip(substream); 1604 struct snd_pcm_runtime *runtime = substream->runtime; 1605 struct pcmhw *data; 1606 int sub_num = substream->number; 1607 1608 chip->playback_substream[sub_num] = substream; 1609 runtime->hw = snd_riptide_playback; 1610 1611 data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL); 1612 if (data == NULL) 1613 return -ENOMEM; 1614 data->paths = lbus_play_paths[sub_num]; 1615 data->id = play_ids[sub_num]; 1616 data->source = play_sources[sub_num]; 1617 data->intdec[0] = 0xff; 1618 data->intdec[1] = 0xff; 1619 data->state = ST_STOP; 1620 runtime->private_data = data; 1621 return snd_pcm_hw_constraint_integer(runtime, 1622 SNDRV_PCM_HW_PARAM_PERIODS); 1623 } 1624 1625 static int snd_riptide_capture_open(struct snd_pcm_substream *substream) 1626 { 1627 struct snd_riptide *chip = snd_pcm_substream_chip(substream); 1628 struct snd_pcm_runtime *runtime = substream->runtime; 1629 struct pcmhw *data; 1630 1631 chip->capture_substream = substream; 1632 runtime->hw = snd_riptide_capture; 1633 1634 data = kzalloc(sizeof(struct pcmhw), GFP_KERNEL); 1635 if (data == NULL) 1636 return -ENOMEM; 1637 data->paths = lbus_rec_path; 1638 data->id = PADC; 1639 data->source = ACLNK2PADC; 1640 data->intdec[0] = 0xff; 1641 data->intdec[1] = 0xff; 1642 data->state = ST_STOP; 1643 runtime->private_data = data; 1644 return snd_pcm_hw_constraint_integer(runtime, 1645 SNDRV_PCM_HW_PARAM_PERIODS); 1646 } 1647 1648 static int snd_riptide_playback_close(struct snd_pcm_substream *substream) 1649 { 1650 struct snd_riptide *chip = snd_pcm_substream_chip(substream); 1651 struct pcmhw *data = get_pcmhwdev(substream); 1652 int sub_num = substream->number; 1653 1654 substream->runtime->private_data = NULL; 1655 chip->playback_substream[sub_num] = NULL; 1656 kfree(data); 1657 return 0; 1658 } 1659 1660 static int snd_riptide_capture_close(struct snd_pcm_substream *substream) 1661 { 1662 struct snd_riptide *chip = snd_pcm_substream_chip(substream); 1663 struct pcmhw *data = get_pcmhwdev(substream); 1664 1665 substream->runtime->private_data = NULL; 1666 chip->capture_substream = NULL; 1667 kfree(data); 1668 return 0; 1669 } 1670 1671 static const struct snd_pcm_ops snd_riptide_playback_ops = { 1672 .open = snd_riptide_playback_open, 1673 .close = snd_riptide_playback_close, 1674 .ioctl = snd_pcm_lib_ioctl, 1675 .hw_params = snd_riptide_hw_params, 1676 .hw_free = snd_riptide_hw_free, 1677 .prepare = snd_riptide_prepare, 1678 .page = snd_pcm_sgbuf_ops_page, 1679 .trigger = snd_riptide_trigger, 1680 .pointer = snd_riptide_pointer, 1681 }; 1682 static const struct snd_pcm_ops snd_riptide_capture_ops = { 1683 .open = snd_riptide_capture_open, 1684 .close = snd_riptide_capture_close, 1685 .ioctl = snd_pcm_lib_ioctl, 1686 .hw_params = snd_riptide_hw_params, 1687 .hw_free = snd_riptide_hw_free, 1688 .prepare = snd_riptide_prepare, 1689 .page = snd_pcm_sgbuf_ops_page, 1690 .trigger = snd_riptide_trigger, 1691 .pointer = snd_riptide_pointer, 1692 }; 1693 1694 static int snd_riptide_pcm(struct snd_riptide *chip, int device) 1695 { 1696 struct snd_pcm *pcm; 1697 int err; 1698 1699 if ((err = 1700 snd_pcm_new(chip->card, "RIPTIDE", device, PLAYBACK_SUBSTREAMS, 1, 1701 &pcm)) < 0) 1702 return err; 1703 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1704 &snd_riptide_playback_ops); 1705 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, 1706 &snd_riptide_capture_ops); 1707 pcm->private_data = chip; 1708 pcm->info_flags = 0; 1709 strcpy(pcm->name, "RIPTIDE"); 1710 chip->pcm = pcm; 1711 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1712 snd_dma_pci_data(chip->pci), 1713 64 * 1024, 128 * 1024); 1714 return 0; 1715 } 1716 1717 static irqreturn_t 1718 snd_riptide_interrupt(int irq, void *dev_id) 1719 { 1720 struct snd_riptide *chip = dev_id; 1721 struct cmdif *cif = chip->cif; 1722 1723 if (cif) { 1724 chip->received_irqs++; 1725 if (IS_EOBIRQ(cif->hwport) || IS_EOSIRQ(cif->hwport) || 1726 IS_EOCIRQ(cif->hwport)) { 1727 chip->handled_irqs++; 1728 tasklet_schedule(&chip->riptide_tq); 1729 } 1730 if (chip->rmidi && IS_MPUIRQ(cif->hwport)) { 1731 chip->handled_irqs++; 1732 snd_mpu401_uart_interrupt(irq, 1733 chip->rmidi->private_data); 1734 } 1735 SET_AIACK(cif->hwport); 1736 } 1737 return IRQ_HANDLED; 1738 } 1739 1740 static void 1741 snd_riptide_codec_write(struct snd_ac97 *ac97, unsigned short reg, 1742 unsigned short val) 1743 { 1744 struct snd_riptide *chip = ac97->private_data; 1745 struct cmdif *cif = chip->cif; 1746 union cmdret rptr = CMDRET_ZERO; 1747 int i = 0; 1748 1749 if (snd_BUG_ON(!cif)) 1750 return; 1751 1752 snd_printdd("Write AC97 reg 0x%x 0x%x\n", reg, val); 1753 do { 1754 SEND_SACR(cif, val, reg); 1755 SEND_RACR(cif, reg, &rptr); 1756 } while (rptr.retwords[1] != val && i++ < MAX_WRITE_RETRY); 1757 if (i > MAX_WRITE_RETRY) 1758 snd_printdd("Write AC97 reg failed\n"); 1759 } 1760 1761 static unsigned short snd_riptide_codec_read(struct snd_ac97 *ac97, 1762 unsigned short reg) 1763 { 1764 struct snd_riptide *chip = ac97->private_data; 1765 struct cmdif *cif = chip->cif; 1766 union cmdret rptr = CMDRET_ZERO; 1767 1768 if (snd_BUG_ON(!cif)) 1769 return 0; 1770 1771 if (SEND_RACR(cif, reg, &rptr) != 0) 1772 SEND_RACR(cif, reg, &rptr); 1773 snd_printdd("Read AC97 reg 0x%x got 0x%x\n", reg, rptr.retwords[1]); 1774 return rptr.retwords[1]; 1775 } 1776 1777 static int snd_riptide_initialize(struct snd_riptide *chip) 1778 { 1779 struct cmdif *cif; 1780 unsigned int device_id; 1781 int err; 1782 1783 if (snd_BUG_ON(!chip)) 1784 return -EINVAL; 1785 1786 cif = chip->cif; 1787 if (!cif) { 1788 if ((cif = kzalloc(sizeof(struct cmdif), GFP_KERNEL)) == NULL) 1789 return -ENOMEM; 1790 cif->hwport = (struct riptideport *)chip->port; 1791 spin_lock_init(&cif->lock); 1792 chip->cif = cif; 1793 } 1794 cif->is_reset = 0; 1795 if ((err = riptide_reset(cif, chip)) != 0) 1796 return err; 1797 device_id = chip->device_id; 1798 switch (device_id) { 1799 case 0x4310: 1800 case 0x4320: 1801 case 0x4330: 1802 snd_printdd("Modem enable?\n"); 1803 SEND_SETDPLL(cif); 1804 break; 1805 } 1806 snd_printdd("Enabling MPU IRQs\n"); 1807 if (chip->rmidi) 1808 SET_EMPUIRQ(cif->hwport); 1809 return err; 1810 } 1811 1812 static int snd_riptide_free(struct snd_riptide *chip) 1813 { 1814 struct cmdif *cif; 1815 1816 if (!chip) 1817 return 0; 1818 1819 if ((cif = chip->cif)) { 1820 SET_GRESET(cif->hwport); 1821 udelay(100); 1822 UNSET_GRESET(cif->hwport); 1823 kfree(chip->cif); 1824 } 1825 if (chip->irq >= 0) 1826 free_irq(chip->irq, chip); 1827 release_firmware(chip->fw_entry); 1828 release_and_free_resource(chip->res_port); 1829 kfree(chip); 1830 return 0; 1831 } 1832 1833 static int snd_riptide_dev_free(struct snd_device *device) 1834 { 1835 struct snd_riptide *chip = device->device_data; 1836 1837 return snd_riptide_free(chip); 1838 } 1839 1840 static int 1841 snd_riptide_create(struct snd_card *card, struct pci_dev *pci, 1842 struct snd_riptide **rchip) 1843 { 1844 struct snd_riptide *chip; 1845 struct riptideport *hwport; 1846 int err; 1847 static struct snd_device_ops ops = { 1848 .dev_free = snd_riptide_dev_free, 1849 }; 1850 1851 *rchip = NULL; 1852 if ((err = pci_enable_device(pci)) < 0) 1853 return err; 1854 if (!(chip = kzalloc(sizeof(struct snd_riptide), GFP_KERNEL))) 1855 return -ENOMEM; 1856 1857 spin_lock_init(&chip->lock); 1858 chip->card = card; 1859 chip->pci = pci; 1860 chip->irq = -1; 1861 chip->openstreams = 0; 1862 chip->port = pci_resource_start(pci, 0); 1863 chip->received_irqs = 0; 1864 chip->handled_irqs = 0; 1865 chip->cif = NULL; 1866 tasklet_init(&chip->riptide_tq, riptide_handleirq, (unsigned long)chip); 1867 1868 if ((chip->res_port = 1869 request_region(chip->port, 64, "RIPTIDE")) == NULL) { 1870 snd_printk(KERN_ERR 1871 "Riptide: unable to grab region 0x%lx-0x%lx\n", 1872 chip->port, chip->port + 64 - 1); 1873 snd_riptide_free(chip); 1874 return -EBUSY; 1875 } 1876 hwport = (struct riptideport *)chip->port; 1877 UNSET_AIE(hwport); 1878 1879 if (request_irq(pci->irq, snd_riptide_interrupt, IRQF_SHARED, 1880 KBUILD_MODNAME, chip)) { 1881 snd_printk(KERN_ERR "Riptide: unable to grab IRQ %d\n", 1882 pci->irq); 1883 snd_riptide_free(chip); 1884 return -EBUSY; 1885 } 1886 chip->irq = pci->irq; 1887 chip->device_id = pci->device; 1888 pci_set_master(pci); 1889 if ((err = snd_riptide_initialize(chip)) < 0) { 1890 snd_riptide_free(chip); 1891 return err; 1892 } 1893 1894 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 1895 snd_riptide_free(chip); 1896 return err; 1897 } 1898 1899 *rchip = chip; 1900 return 0; 1901 } 1902 1903 static void 1904 snd_riptide_proc_read(struct snd_info_entry *entry, 1905 struct snd_info_buffer *buffer) 1906 { 1907 struct snd_riptide *chip = entry->private_data; 1908 struct pcmhw *data; 1909 int i; 1910 struct cmdif *cif = NULL; 1911 unsigned char p[256]; 1912 unsigned short rval = 0, lval = 0; 1913 unsigned int rate; 1914 1915 if (!chip) 1916 return; 1917 1918 snd_iprintf(buffer, "%s\n\n", chip->card->longname); 1919 snd_iprintf(buffer, "Device ID: 0x%x\nReceived IRQs: (%ld)%ld\nPorts:", 1920 chip->device_id, chip->handled_irqs, chip->received_irqs); 1921 for (i = 0; i < 64; i += 4) 1922 snd_iprintf(buffer, "%c%02x: %08x", 1923 (i % 16) ? ' ' : '\n', i, inl(chip->port + i)); 1924 if ((cif = chip->cif)) { 1925 snd_iprintf(buffer, 1926 "\nVersion: ASIC: %d CODEC: %d AUXDSP: %d PROG: %d", 1927 chip->firmware.firmware.ASIC, 1928 chip->firmware.firmware.CODEC, 1929 chip->firmware.firmware.AUXDSP, 1930 chip->firmware.firmware.PROG); 1931 snd_iprintf(buffer, "\nDigital mixer:"); 1932 for (i = 0; i < 12; i++) { 1933 getmixer(cif, i, &rval, &lval); 1934 snd_iprintf(buffer, "\n %d: %d %d", i, rval, lval); 1935 } 1936 snd_iprintf(buffer, 1937 "\nARM Commands num: %d failed: %d time: %d max: %d min: %d", 1938 cif->cmdcnt, cif->errcnt, 1939 cif->cmdtime, cif->cmdtimemax, cif->cmdtimemin); 1940 } 1941 snd_iprintf(buffer, "\nOpen streams %d:\n", chip->openstreams); 1942 for (i = 0; i < PLAYBACK_SUBSTREAMS; i++) { 1943 if (chip->playback_substream[i] 1944 && chip->playback_substream[i]->runtime 1945 && (data = 1946 chip->playback_substream[i]->runtime->private_data)) { 1947 snd_iprintf(buffer, 1948 "stream: %d mixer: %d source: %d (%d,%d)\n", 1949 data->id, data->mixer, data->source, 1950 data->intdec[0], data->intdec[1]); 1951 if (!(getsamplerate(cif, data->intdec, &rate))) 1952 snd_iprintf(buffer, "rate: %d\n", rate); 1953 } 1954 } 1955 if (chip->capture_substream 1956 && chip->capture_substream->runtime 1957 && (data = chip->capture_substream->runtime->private_data)) { 1958 snd_iprintf(buffer, 1959 "stream: %d mixer: %d source: %d (%d,%d)\n", 1960 data->id, data->mixer, 1961 data->source, data->intdec[0], data->intdec[1]); 1962 if (!(getsamplerate(cif, data->intdec, &rate))) 1963 snd_iprintf(buffer, "rate: %d\n", rate); 1964 } 1965 snd_iprintf(buffer, "Paths:\n"); 1966 i = getpaths(cif, p); 1967 while (i >= 2) { 1968 i -= 2; 1969 snd_iprintf(buffer, "%x->%x ", p[i], p[i + 1]); 1970 } 1971 snd_iprintf(buffer, "\n"); 1972 } 1973 1974 static void snd_riptide_proc_init(struct snd_riptide *chip) 1975 { 1976 snd_card_ro_proc_new(chip->card, "riptide", chip, 1977 snd_riptide_proc_read); 1978 } 1979 1980 static int snd_riptide_mixer(struct snd_riptide *chip) 1981 { 1982 struct snd_ac97_bus *pbus; 1983 struct snd_ac97_template ac97; 1984 int err = 0; 1985 static struct snd_ac97_bus_ops ops = { 1986 .write = snd_riptide_codec_write, 1987 .read = snd_riptide_codec_read, 1988 }; 1989 1990 memset(&ac97, 0, sizeof(ac97)); 1991 ac97.private_data = chip; 1992 ac97.scaps = AC97_SCAP_SKIP_MODEM; 1993 1994 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0) 1995 return err; 1996 1997 chip->ac97_bus = pbus; 1998 ac97.pci = chip->pci; 1999 if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97)) < 0) 2000 return err; 2001 return err; 2002 } 2003 2004 #ifdef SUPPORT_JOYSTICK 2005 2006 static int 2007 snd_riptide_joystick_probe(struct pci_dev *pci, const struct pci_device_id *id) 2008 { 2009 static int dev; 2010 struct gameport *gameport; 2011 int ret; 2012 2013 if (dev >= SNDRV_CARDS) 2014 return -ENODEV; 2015 2016 if (!enable[dev]) { 2017 ret = -ENOENT; 2018 goto inc_dev; 2019 } 2020 2021 if (!joystick_port[dev]) { 2022 ret = 0; 2023 goto inc_dev; 2024 } 2025 2026 gameport = gameport_allocate_port(); 2027 if (!gameport) { 2028 ret = -ENOMEM; 2029 goto inc_dev; 2030 } 2031 if (!request_region(joystick_port[dev], 8, "Riptide gameport")) { 2032 snd_printk(KERN_WARNING 2033 "Riptide: cannot grab gameport 0x%x\n", 2034 joystick_port[dev]); 2035 gameport_free_port(gameport); 2036 ret = -EBUSY; 2037 goto inc_dev; 2038 } 2039 2040 gameport->io = joystick_port[dev]; 2041 gameport_register_port(gameport); 2042 pci_set_drvdata(pci, gameport); 2043 2044 ret = 0; 2045 inc_dev: 2046 dev++; 2047 return ret; 2048 } 2049 2050 static void snd_riptide_joystick_remove(struct pci_dev *pci) 2051 { 2052 struct gameport *gameport = pci_get_drvdata(pci); 2053 if (gameport) { 2054 release_region(gameport->io, 8); 2055 gameport_unregister_port(gameport); 2056 } 2057 } 2058 #endif 2059 2060 static int 2061 snd_card_riptide_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) 2062 { 2063 static int dev; 2064 struct snd_card *card; 2065 struct snd_riptide *chip; 2066 unsigned short val; 2067 int err; 2068 2069 if (dev >= SNDRV_CARDS) 2070 return -ENODEV; 2071 if (!enable[dev]) { 2072 dev++; 2073 return -ENOENT; 2074 } 2075 2076 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE, 2077 0, &card); 2078 if (err < 0) 2079 return err; 2080 err = snd_riptide_create(card, pci, &chip); 2081 if (err < 0) 2082 goto error; 2083 card->private_data = chip; 2084 err = snd_riptide_pcm(chip, 0); 2085 if (err < 0) 2086 goto error; 2087 err = snd_riptide_mixer(chip); 2088 if (err < 0) 2089 goto error; 2090 2091 val = LEGACY_ENABLE_ALL; 2092 if (opl3_port[dev]) 2093 val |= LEGACY_ENABLE_FM; 2094 #ifdef SUPPORT_JOYSTICK 2095 if (joystick_port[dev]) 2096 val |= LEGACY_ENABLE_GAMEPORT; 2097 #endif 2098 if (mpu_port[dev]) 2099 val |= LEGACY_ENABLE_MPU_INT | LEGACY_ENABLE_MPU; 2100 val |= (chip->irq << 4) & 0xf0; 2101 pci_write_config_word(chip->pci, PCI_EXT_Legacy_Mask, val); 2102 if (mpu_port[dev]) { 2103 val = mpu_port[dev]; 2104 pci_write_config_word(chip->pci, PCI_EXT_MPU_Base, val); 2105 err = snd_mpu401_uart_new(card, 0, MPU401_HW_RIPTIDE, 2106 val, MPU401_INFO_IRQ_HOOK, -1, 2107 &chip->rmidi); 2108 if (err < 0) 2109 snd_printk(KERN_WARNING 2110 "Riptide: Can't Allocate MPU at 0x%x\n", 2111 val); 2112 else 2113 chip->mpuaddr = val; 2114 } 2115 if (opl3_port[dev]) { 2116 val = opl3_port[dev]; 2117 pci_write_config_word(chip->pci, PCI_EXT_FM_Base, val); 2118 err = snd_opl3_create(card, val, val + 2, 2119 OPL3_HW_RIPTIDE, 0, &chip->opl3); 2120 if (err < 0) 2121 snd_printk(KERN_WARNING 2122 "Riptide: Can't Allocate OPL3 at 0x%x\n", 2123 val); 2124 else { 2125 chip->opladdr = val; 2126 err = snd_opl3_hwdep_new(chip->opl3, 0, 1, NULL); 2127 if (err < 0) 2128 snd_printk(KERN_WARNING 2129 "Riptide: Can't Allocate OPL3-HWDEP\n"); 2130 } 2131 } 2132 #ifdef SUPPORT_JOYSTICK 2133 if (joystick_port[dev]) { 2134 val = joystick_port[dev]; 2135 pci_write_config_word(chip->pci, PCI_EXT_Game_Base, val); 2136 chip->gameaddr = val; 2137 } 2138 #endif 2139 2140 strcpy(card->driver, "RIPTIDE"); 2141 strcpy(card->shortname, "Riptide"); 2142 #ifdef SUPPORT_JOYSTICK 2143 snprintf(card->longname, sizeof(card->longname), 2144 "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x gameport 0x%x", 2145 card->shortname, chip->port, chip->irq, chip->mpuaddr, 2146 chip->opladdr, chip->gameaddr); 2147 #else 2148 snprintf(card->longname, sizeof(card->longname), 2149 "%s at 0x%lx, irq %i mpu 0x%x opl3 0x%x", 2150 card->shortname, chip->port, chip->irq, chip->mpuaddr, 2151 chip->opladdr); 2152 #endif 2153 snd_riptide_proc_init(chip); 2154 err = snd_card_register(card); 2155 if (err < 0) 2156 goto error; 2157 pci_set_drvdata(pci, card); 2158 dev++; 2159 return 0; 2160 2161 error: 2162 snd_card_free(card); 2163 return err; 2164 } 2165 2166 static void snd_card_riptide_remove(struct pci_dev *pci) 2167 { 2168 snd_card_free(pci_get_drvdata(pci)); 2169 } 2170 2171 static struct pci_driver driver = { 2172 .name = KBUILD_MODNAME, 2173 .id_table = snd_riptide_ids, 2174 .probe = snd_card_riptide_probe, 2175 .remove = snd_card_riptide_remove, 2176 .driver = { 2177 .pm = RIPTIDE_PM_OPS, 2178 }, 2179 }; 2180 2181 #ifdef SUPPORT_JOYSTICK 2182 static struct pci_driver joystick_driver = { 2183 .name = KBUILD_MODNAME "-joystick", 2184 .id_table = snd_riptide_joystick_ids, 2185 .probe = snd_riptide_joystick_probe, 2186 .remove = snd_riptide_joystick_remove, 2187 }; 2188 #endif 2189 2190 static int __init alsa_card_riptide_init(void) 2191 { 2192 int err; 2193 err = pci_register_driver(&driver); 2194 if (err < 0) 2195 return err; 2196 #if defined(SUPPORT_JOYSTICK) 2197 err = pci_register_driver(&joystick_driver); 2198 /* On failure unregister formerly registered audio driver */ 2199 if (err < 0) 2200 pci_unregister_driver(&driver); 2201 #endif 2202 return err; 2203 } 2204 2205 static void __exit alsa_card_riptide_exit(void) 2206 { 2207 pci_unregister_driver(&driver); 2208 #if defined(SUPPORT_JOYSTICK) 2209 pci_unregister_driver(&joystick_driver); 2210 #endif 2211 } 2212 2213 module_init(alsa_card_riptide_init); 2214 module_exit(alsa_card_riptide_exit); 2215