git.oblomov.eu Git - linux-2.6/blob - sound/pci/ens1370.c

   1 /*
   2  *  Driver for Ensoniq ES1370/ES1371 AudioPCI soundcard
   3  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>,
   4  *                   Thomas Sailer <sailer@ife.ee.ethz.ch>
   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 /* Power-Management-Code ( CONFIG_PM )
  23  * for ens1371 only ( FIXME )
  24  * derived from cs4281.c, atiixp.c and via82xx.c
  25  * using http://www.alsa-project.org/~iwai/writing-an-alsa-driver/c1540.htm
  26  * by Kurt J. Bosch
  27  */
  28
  29 #include <asm/io.h>
  30 #include <linux/delay.h>
  31 #include <linux/interrupt.h>
  32 #include <linux/init.h>
  33 #include <linux/pci.h>
  34 #include <linux/slab.h>
  35 #include <linux/gameport.h>
  36 #include <linux/moduleparam.h>
  37 #include <linux/mutex.h>
  38
  39 #include <sound/core.h>
  40 #include <sound/control.h>
  41 #include <sound/pcm.h>
  42 #include <sound/rawmidi.h>
  43 #ifdef CHIP1371
  44 #include <sound/ac97_codec.h>
  45 #else
  46 #include <sound/ak4531_codec.h>
  47 #endif
  48 #include <sound/initval.h>
  49 #include <sound/asoundef.h>
  50
  51 #ifndef CHIP1371
  52 #undef CHIP1370
  53 #define CHIP1370
  54 #endif
  55
  56 #ifdef CHIP1370
  57 #define DRIVER_NAME "ENS1370"
  58 #else
  59 #define DRIVER_NAME "ENS1371"
  60 #endif
  61
  62
  63 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>, Thomas Sailer <sailer@ife.ee.ethz.ch>");
  64 MODULE_LICENSE("GPL");
  65 #ifdef CHIP1370
  66 MODULE_DESCRIPTION("Ensoniq AudioPCI ES1370");
  67 MODULE_SUPPORTED_DEVICE("{{Ensoniq,AudioPCI-97 ES1370},"
  68                 "{Creative Labs,SB PCI64/128 (ES1370)}}");
  69 #endif
  70 #ifdef CHIP1371
  71 MODULE_DESCRIPTION("Ensoniq/Creative AudioPCI ES1371+");
  72 MODULE_SUPPORTED_DEVICE("{{Ensoniq,AudioPCI ES1371/73},"
  73                 "{Ensoniq,AudioPCI ES1373},"
  74                 "{Creative Labs,Ectiva EV1938},"
  75                 "{Creative Labs,SB PCI64/128 (ES1371/73)},"
  76                 "{Creative Labs,Vibra PCI128},"
  77                 "{Ectiva,EV1938}}");
  78 #endif
  79
  80 #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
  81 #define SUPPORT_JOYSTICK
  82 #endif
  83
  84 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  85 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  86 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;      /* Enable switches */
  87 #ifdef SUPPORT_JOYSTICK
  88 #ifdef CHIP1371
  89 static int joystick_port[SNDRV_CARDS];
  90 #else
  91 static int joystick[SNDRV_CARDS];
  92 #endif
  93 #endif
  94 #ifdef CHIP1371
  95 static int spdif[SNDRV_CARDS];
  96 static int lineio[SNDRV_CARDS];
  97 #endif
  98
  99 module_param_array(index, int, NULL, 0444);
 100 MODULE_PARM_DESC(index, "Index value for Ensoniq AudioPCI soundcard.");
 101 module_param_array(id, charp, NULL, 0444);
 102 MODULE_PARM_DESC(id, "ID string for Ensoniq AudioPCI soundcard.");
 103 module_param_array(enable, bool, NULL, 0444);
 104 MODULE_PARM_DESC(enable, "Enable Ensoniq AudioPCI soundcard.");
 105 #ifdef SUPPORT_JOYSTICK
 106 #ifdef CHIP1371
 107 module_param_array(joystick_port, int, NULL, 0444);
 108 MODULE_PARM_DESC(joystick_port, "Joystick port address.");
 109 #else
 110 module_param_array(joystick, bool, NULL, 0444);
 111 MODULE_PARM_DESC(joystick, "Enable joystick.");
 112 #endif
 113 #endif /* SUPPORT_JOYSTICK */
 114 #ifdef CHIP1371
 115 module_param_array(spdif, int, NULL, 0444);
 116 MODULE_PARM_DESC(spdif, "S/PDIF output (-1 = none, 0 = auto, 1 = force).");
 117 module_param_array(lineio, int, NULL, 0444);
 118 MODULE_PARM_DESC(lineio, "Line In to Rear Out (0 = auto, 1 = force).");
 119 #endif
 120
 121 /* ES1371 chip ID */
 122 /* This is a little confusing because all ES1371 compatible chips have the
 123    same DEVICE_ID, the only thing differentiating them is the REV_ID field.
 124    This is only significant if you want to enable features on the later parts.
 125    Yes, I know it's stupid and why didn't we use the sub IDs?
 126 */
 127 #define ES1371REV_ES1373_A  0x04
 128 #define ES1371REV_ES1373_B  0x06
 129 #define ES1371REV_CT5880_A  0x07
 130 #define CT5880REV_CT5880_C  0x02
 131 #define CT5880REV_CT5880_D  0x03        /* ??? -jk */
 132 #define CT5880REV_CT5880_E  0x04        /* mw */
 133 #define ES1371REV_ES1371_B  0x09
 134 #define EV1938REV_EV1938_A  0x00
 135 #define ES1371REV_ES1373_8  0x08
 136
 137 /*
 138  * Direct registers
 139  */
 140
 141 #define ES_REG(ensoniq, x) ((ensoniq)->port + ES_REG_##x)
 142
 143 #define ES_REG_CONTROL  0x00    /* R/W: Interrupt/Chip select control register */
 144 #define   ES_1370_ADC_STOP      (1<<31)         /* disable capture buffer transfers */
 145 #define   ES_1370_XCTL1         (1<<30)         /* general purpose output bit */
 146 #define   ES_1373_BYPASS_P1     (1<<31)         /* bypass SRC for PB1 */
 147 #define   ES_1373_BYPASS_P2     (1<<30)         /* bypass SRC for PB2 */
 148 #define   ES_1373_BYPASS_R      (1<<29)         /* bypass SRC for REC */
 149 #define   ES_1373_TEST_BIT      (1<<28)         /* should be set to 0 for normal operation */
 150 #define   ES_1373_RECEN_B       (1<<27)         /* mix record with playback for I2S/SPDIF out */
 151 #define   ES_1373_SPDIF_THRU    (1<<26)         /* 0 = SPDIF thru mode, 1 = SPDIF == dig out */
 152 #define   ES_1371_JOY_ASEL(o)   (((o)&0x03)<<24)/* joystick port mapping */
 153 #define   ES_1371_JOY_ASELM     (0x03<<24)      /* mask for above */
 154 #define   ES_1371_JOY_ASELI(i)  (((i)>>24)&0x03)
 155 #define   ES_1371_GPIO_IN(i)    (((i)>>20)&0x0f)/* GPIO in [3:0] pins - R/O */
 156 #define   ES_1370_PCLKDIVO(o)   (((o)&0x1fff)<<16)/* clock divide ratio for DAC2 */
 157 #define   ES_1370_PCLKDIVM      ((0x1fff)<<16)  /* mask for above */
 158 #define   ES_1370_PCLKDIVI(i)   (((i)>>16)&0x1fff)/* clock divide ratio for DAC2 */
 159 #define   ES_1371_GPIO_OUT(o)   (((o)&0x0f)<<16)/* GPIO out [3:0] pins - W/R */
 160 #define   ES_1371_GPIO_OUTM     (0x0f<<16)      /* mask for above */
 161 #define   ES_MSFMTSEL           (1<<15)         /* MPEG serial data format; 0 = SONY, 1 = I2S */
 162 #define   ES_1370_M_SBB         (1<<14)         /* clock source for DAC - 0 = clock generator; 1 = MPEG clocks */
 163 #define   ES_1371_SYNC_RES      (1<<14)         /* Warm AC97 reset */
 164 #define   ES_1370_WTSRSEL(o)    (((o)&0x03)<<12)/* fixed frequency clock for DAC1 */
 165 #define   ES_1370_WTSRSELM      (0x03<<12)      /* mask for above */
 166 #define   ES_1371_ADC_STOP      (1<<13)         /* disable CCB transfer capture information */
 167 #define   ES_1371_PWR_INTRM     (1<<12)         /* power level change interrupts enable */
 168 #define   ES_1370_DAC_SYNC      (1<<11)         /* DAC's are synchronous */
 169 #define   ES_1371_M_CB          (1<<11)         /* capture clock source; 0 = AC'97 ADC; 1 = I2S */
 170 #define   ES_CCB_INTRM          (1<<10)         /* CCB voice interrupts enable */
 171 #define   ES_1370_M_CB          (1<<9)          /* capture clock source; 0 = ADC; 1 = MPEG */
 172 #define   ES_1370_XCTL0         (1<<8)          /* generap purpose output bit */
 173 #define   ES_1371_PDLEV(o)      (((o)&0x03)<<8) /* current power down level */
 174 #define   ES_1371_PDLEVM        (0x03<<8)       /* mask for above */
 175 #define   ES_BREQ               (1<<7)          /* memory bus request enable */
 176 #define   ES_DAC1_EN            (1<<6)          /* DAC1 playback channel enable */
 177 #define   ES_DAC2_EN            (1<<5)          /* DAC2 playback channel enable */
 178 #define   ES_ADC_EN             (1<<4)          /* ADC capture channel enable */
 179 #define   ES_UART_EN            (1<<3)          /* UART enable */
 180 #define   ES_JYSTK_EN           (1<<2)          /* Joystick module enable */
 181 #define   ES_1370_CDC_EN        (1<<1)          /* Codec interface enable */
 182 #define   ES_1371_XTALCKDIS     (1<<1)          /* Xtal clock disable */
 183 #define   ES_1370_SERR_DISABLE  (1<<0)          /* PCI serr signal disable */
 184 #define   ES_1371_PCICLKDIS     (1<<0)          /* PCI clock disable */
 185 #define ES_REG_STATUS   0x04    /* R/O: Interrupt/Chip select status register */
 186 #define   ES_INTR               (1<<31)         /* Interrupt is pending */
 187 #define   ES_1371_ST_AC97_RST   (1<<29)         /* CT5880 AC'97 Reset bit */
 188 #define   ES_1373_REAR_BIT27    (1<<27)         /* rear bits: 000 - front, 010 - mirror, 101 - separate */
 189 #define   ES_1373_REAR_BIT26    (1<<26)
 190 #define   ES_1373_REAR_BIT24    (1<<24)
 191 #define   ES_1373_GPIO_INT_EN(o)(((o)&0x0f)<<20)/* GPIO [3:0] pins - interrupt enable */
 192 #define   ES_1373_SPDIF_EN      (1<<18)         /* SPDIF enable */
 193 #define   ES_1373_SPDIF_TEST    (1<<17)         /* SPDIF test */
 194 #define   ES_1371_TEST          (1<<16)         /* test ASIC */
 195 #define   ES_1373_GPIO_INT(i)   (((i)&0x0f)>>12)/* GPIO [3:0] pins - interrupt pending */
 196 #define   ES_1370_CSTAT         (1<<10)         /* CODEC is busy or register write in progress */
 197 #define   ES_1370_CBUSY         (1<<9)          /* CODEC is busy */
 198 #define   ES_1370_CWRIP         (1<<8)          /* CODEC register write in progress */
 199 #define   ES_1371_SYNC_ERR      (1<<8)          /* CODEC synchronization error occurred */
 200 #define   ES_1371_VC(i)         (((i)>>6)&0x03) /* voice code from CCB module */
 201 #define   ES_1370_VC(i)         (((i)>>5)&0x03) /* voice code from CCB module */
 202 #define   ES_1371_MPWR          (1<<5)          /* power level interrupt pending */
 203 #define   ES_MCCB               (1<<4)          /* CCB interrupt pending */
 204 #define   ES_UART               (1<<3)          /* UART interrupt pending */
 205 #define   ES_DAC1               (1<<2)          /* DAC1 channel interrupt pending */
 206 #define   ES_DAC2               (1<<1)          /* DAC2 channel interrupt pending */
 207 #define   ES_ADC                (1<<0)          /* ADC channel interrupt pending */
 208 #define ES_REG_UART_DATA 0x08   /* R/W: UART data register */
 209 #define ES_REG_UART_STATUS 0x09 /* R/O: UART status register */
 210 #define   ES_RXINT              (1<<7)          /* RX interrupt occurred */
 211 #define   ES_TXINT              (1<<2)          /* TX interrupt occurred */
 212 #define   ES_TXRDY              (1<<1)          /* transmitter ready */
 213 #define   ES_RXRDY              (1<<0)          /* receiver ready */
 214 #define ES_REG_UART_CONTROL 0x09        /* W/O: UART control register */
 215 #define   ES_RXINTEN            (1<<7)          /* RX interrupt enable */
 216 #define   ES_TXINTENO(o)        (((o)&0x03)<<5) /* TX interrupt enable */
 217 #define   ES_TXINTENM           (0x03<<5)       /* mask for above */
 218 #define   ES_TXINTENI(i)        (((i)>>5)&0x03)
 219 #define   ES_CNTRL(o)           (((o)&0x03)<<0) /* control */
 220 #define   ES_CNTRLM             (0x03<<0)       /* mask for above */
 221 #define ES_REG_UART_RES 0x0a    /* R/W: UART reserver register */
 222 #define   ES_TEST_MODE          (1<<0)          /* test mode enabled */
 223 #define ES_REG_MEM_PAGE 0x0c    /* R/W: Memory page register */
 224 #define   ES_MEM_PAGEO(o)       (((o)&0x0f)<<0) /* memory page select - out */
 225 #define   ES_MEM_PAGEM          (0x0f<<0)       /* mask for above */
 226 #define   ES_MEM_PAGEI(i)       (((i)>>0)&0x0f) /* memory page select - in */
 227 #define ES_REG_1370_CODEC 0x10  /* W/O: Codec write register address */
 228 #define   ES_1370_CODEC_WRITE(a,d) ((((a)&0xff)<<8)|(((d)&0xff)<<0))
 229 #define ES_REG_1371_CODEC 0x14  /* W/R: Codec Read/Write register address */
 230 #define   ES_1371_CODEC_RDY        (1<<31)      /* codec ready */
 231 #define   ES_1371_CODEC_WIP        (1<<30)      /* codec register access in progress */
 232 #define   ES_1371_CODEC_PIRD       (1<<23)      /* codec read/write select register */
 233 #define   ES_1371_CODEC_WRITE(a,d) ((((a)&0x7f)<<16)|(((d)&0xffff)<<0))
 234 #define   ES_1371_CODEC_READS(a)   ((((a)&0x7f)<<16)|ES_1371_CODEC_PIRD)
 235 #define   ES_1371_CODEC_READ(i)    (((i)>>0)&0xffff)
 236
 237 #define ES_REG_1371_SMPRATE 0x10        /* W/R: Codec rate converter interface register */
 238 #define   ES_1371_SRC_RAM_ADDRO(o) (((o)&0x7f)<<25)/* address of the sample rate converter */
 239 #define   ES_1371_SRC_RAM_ADDRM    (0x7f<<25)   /* mask for above */
 240 #define   ES_1371_SRC_RAM_ADDRI(i) (((i)>>25)&0x7f)/* address of the sample rate converter */
 241 #define   ES_1371_SRC_RAM_WE       (1<<24)      /* R/W: read/write control for sample rate converter */
 242 #define   ES_1371_SRC_RAM_BUSY     (1<<23)      /* R/O: sample rate memory is busy */
 243 #define   ES_1371_SRC_DISABLE      (1<<22)      /* sample rate converter disable */
 244 #define   ES_1371_DIS_P1           (1<<21)      /* playback channel 1 accumulator update disable */
 245 #define   ES_1371_DIS_P2           (1<<20)      /* playback channel 1 accumulator update disable */
 246 #define   ES_1371_DIS_R1           (1<<19)      /* capture channel accumulator update disable */
 247 #define   ES_1371_SRC_RAM_DATAO(o) (((o)&0xffff)<<0)/* current value of the sample rate converter */
 248 #define   ES_1371_SRC_RAM_DATAM    (0xffff<<0)  /* mask for above */
 249 #define   ES_1371_SRC_RAM_DATAI(i) (((i)>>0)&0xffff)/* current value of the sample rate converter */
 250
 251 #define ES_REG_1371_LEGACY 0x18 /* W/R: Legacy control/status register */
 252 #define   ES_1371_JFAST         (1<<31)         /* fast joystick timing */
 253 #define   ES_1371_HIB           (1<<30)         /* host interrupt blocking enable */
 254 #define   ES_1371_VSB           (1<<29)         /* SB; 0 = addr 0x220xH, 1 = 0x22FxH */
 255 #define   ES_1371_VMPUO(o)      (((o)&0x03)<<27)/* base register address; 0 = 0x320xH; 1 = 0x330xH; 2 = 0x340xH; 3 = 0x350xH */
 256 #define   ES_1371_VMPUM         (0x03<<27)      /* mask for above */
 257 #define   ES_1371_VMPUI(i)      (((i)>>27)&0x03)/* base register address */
 258 #define   ES_1371_VCDCO(o)      (((o)&0x03)<<25)/* CODEC; 0 = 0x530xH; 1 = undefined; 2 = 0xe80xH; 3 = 0xF40xH */
 259 #define   ES_1371_VCDCM         (0x03<<25)      /* mask for above */
 260 #define   ES_1371_VCDCI(i)      (((i)>>25)&0x03)/* CODEC address */
 261 #define   ES_1371_FIRQ          (1<<24)         /* force an interrupt */
 262 #define   ES_1371_SDMACAP       (1<<23)         /* enable event capture for slave DMA controller */
 263 #define   ES_1371_SPICAP        (1<<22)         /* enable event capture for slave IRQ controller */
 264 #define   ES_1371_MDMACAP       (1<<21)         /* enable event capture for master DMA controller */
 265 #define   ES_1371_MPICAP        (1<<20)         /* enable event capture for master IRQ controller */
 266 #define   ES_1371_ADCAP         (1<<19)         /* enable event capture for ADLIB register; 0x388xH */
 267 #define   ES_1371_SVCAP         (1<<18)         /* enable event capture for SB registers */
 268 #define   ES_1371_CDCCAP        (1<<17)         /* enable event capture for CODEC registers */
 269 #define   ES_1371_BACAP         (1<<16)         /* enable event capture for SoundScape base address */
 270 #define   ES_1371_EXI(i)        (((i)>>8)&0x07) /* event number */
 271 #define   ES_1371_AI(i)         (((i)>>3)&0x1f) /* event significant I/O address */
 272 #define   ES_1371_WR            (1<<2)  /* event capture; 0 = read; 1 = write */
 273 #define   ES_1371_LEGINT        (1<<0)  /* interrupt for legacy events; 0 = interrupt did occur */
 274
 275 #define ES_REG_CHANNEL_STATUS 0x1c /* R/W: first 32-bits from S/PDIF channel status block, es1373 */
 276
 277 #define ES_REG_SERIAL   0x20    /* R/W: Serial interface control register */
 278 #define   ES_1371_DAC_TEST      (1<<22)         /* DAC test mode enable */
 279 #define   ES_P2_END_INCO(o)     (((o)&0x07)<<19)/* binary offset value to increment / loop end */
 280 #define   ES_P2_END_INCM        (0x07<<19)      /* mask for above */
 281 #define   ES_P2_END_INCI(i)     (((i)>>16)&0x07)/* binary offset value to increment / loop end */
 282 #define   ES_P2_ST_INCO(o)      (((o)&0x07)<<16)/* binary offset value to increment / start */
 283 #define   ES_P2_ST_INCM         (0x07<<16)      /* mask for above */
 284 #define   ES_P2_ST_INCI(i)      (((i)<<16)&0x07)/* binary offset value to increment / start */
 285 #define   ES_R1_LOOP_SEL        (1<<15)         /* ADC; 0 - loop mode; 1 = stop mode */
 286 #define   ES_P2_LOOP_SEL        (1<<14)         /* DAC2; 0 - loop mode; 1 = stop mode */
 287 #define   ES_P1_LOOP_SEL        (1<<13)         /* DAC1; 0 - loop mode; 1 = stop mode */
 288 #define   ES_P2_PAUSE           (1<<12)         /* DAC2; 0 - play mode; 1 = pause mode */
 289 #define   ES_P1_PAUSE           (1<<11)         /* DAC1; 0 - play mode; 1 = pause mode */
 290 #define   ES_R1_INT_EN          (1<<10)         /* ADC interrupt enable */
 291 #define   ES_P2_INT_EN          (1<<9)          /* DAC2 interrupt enable */
 292 #define   ES_P1_INT_EN          (1<<8)          /* DAC1 interrupt enable */
 293 #define   ES_P1_SCT_RLD         (1<<7)          /* force sample counter reload for DAC1 */
 294 #define   ES_P2_DAC_SEN         (1<<6)          /* when stop mode: 0 - DAC2 play back zeros; 1 = DAC2 play back last sample */
 295 #define   ES_R1_MODEO(o)        (((o)&0x03)<<4) /* ADC mode; 0 = 8-bit mono; 1 = 8-bit stereo; 2 = 16-bit mono; 3 = 16-bit stereo */
 296 #define   ES_R1_MODEM           (0x03<<4)       /* mask for above */
 297 #define   ES_R1_MODEI(i)        (((i)>>4)&0x03)
 298 #define   ES_P2_MODEO(o)        (((o)&0x03)<<2) /* DAC2 mode; -- '' -- */
 299 #define   ES_P2_MODEM           (0x03<<2)       /* mask for above */
 300 #define   ES_P2_MODEI(i)        (((i)>>2)&0x03)
 301 #define   ES_P1_MODEO(o)        (((o)&0x03)<<0) /* DAC1 mode; -- '' -- */
 302 #define   ES_P1_MODEM           (0x03<<0)       /* mask for above */
 303 #define   ES_P1_MODEI(i)        (((i)>>0)&0x03)
 304
 305 #define ES_REG_DAC1_COUNT 0x24  /* R/W: DAC1 sample count register */
 306 #define ES_REG_DAC2_COUNT 0x28  /* R/W: DAC2 sample count register */
 307 #define ES_REG_ADC_COUNT  0x2c  /* R/W: ADC sample count register */
 308 #define   ES_REG_CURR_COUNT(i)  (((i)>>16)&0xffff)
 309 #define   ES_REG_COUNTO(o)      (((o)&0xffff)<<0)
 310 #define   ES_REG_COUNTM         (0xffff<<0)
 311 #define   ES_REG_COUNTI(i)      (((i)>>0)&0xffff)
 312
 313 #define ES_REG_DAC1_FRAME 0x30  /* R/W: PAGE 0x0c; DAC1 frame address */
 314 #define ES_REG_DAC1_SIZE  0x34  /* R/W: PAGE 0x0c; DAC1 frame size */
 315 #define ES_REG_DAC2_FRAME 0x38  /* R/W: PAGE 0x0c; DAC2 frame address */
 316 #define ES_REG_DAC2_SIZE  0x3c  /* R/W: PAGE 0x0c; DAC2 frame size */
 317 #define ES_REG_ADC_FRAME  0x30  /* R/W: PAGE 0x0d; ADC frame address */
 318 #define ES_REG_ADC_SIZE   0x34  /* R/W: PAGE 0x0d; ADC frame size */
 319 #define   ES_REG_FCURR_COUNTO(o) (((o)&0xffff)<<16)
 320 #define   ES_REG_FCURR_COUNTM    (0xffff<<16)
 321 #define   ES_REG_FCURR_COUNTI(i) (((i)>>14)&0x3fffc)
 322 #define   ES_REG_FSIZEO(o)       (((o)&0xffff)<<0)
 323 #define   ES_REG_FSIZEM          (0xffff<<0)
 324 #define   ES_REG_FSIZEI(i)       (((i)>>0)&0xffff)
 325 #define ES_REG_PHANTOM_FRAME 0x38 /* R/W: PAGE 0x0d: phantom frame address */
 326 #define ES_REG_PHANTOM_COUNT 0x3c /* R/W: PAGE 0x0d: phantom frame count */
 327
 328 #define ES_REG_UART_FIFO  0x30  /* R/W: PAGE 0x0e; UART FIFO register */
 329 #define   ES_REG_UF_VALID        (1<<8)
 330 #define   ES_REG_UF_BYTEO(o)     (((o)&0xff)<<0)
 331 #define   ES_REG_UF_BYTEM        (0xff<<0)
 332 #define   ES_REG_UF_BYTEI(i)     (((i)>>0)&0xff)
 333
 334
 335 /*
 336  *  Pages
 337  */
 338
 339 #define ES_PAGE_DAC     0x0c
 340 #define ES_PAGE_ADC     0x0d
 341 #define ES_PAGE_UART    0x0e
 342 #define ES_PAGE_UART1   0x0f
 343
 344 /*
 345  *  Sample rate converter addresses
 346  */
 347
 348 #define ES_SMPREG_DAC1          0x70
 349 #define ES_SMPREG_DAC2          0x74
 350 #define ES_SMPREG_ADC           0x78
 351 #define ES_SMPREG_VOL_ADC       0x6c
 352 #define ES_SMPREG_VOL_DAC1      0x7c
 353 #define ES_SMPREG_VOL_DAC2      0x7e
 354 #define ES_SMPREG_TRUNC_N       0x00
 355 #define ES_SMPREG_INT_REGS      0x01
 356 #define ES_SMPREG_ACCUM_FRAC    0x02
 357 #define ES_SMPREG_VFREQ_FRAC    0x03
 358
 359 /*
 360  *  Some contants
 361  */
 362
 363 #define ES_1370_SRCLOCK    1411200
 364 #define ES_1370_SRTODIV(x) (ES_1370_SRCLOCK/(x)-2)
 365
 366 /*
 367  *  Open modes
 368  */
 369
 370 #define ES_MODE_PLAY1   0x0001
 371 #define ES_MODE_PLAY2   0x0002
 372 #define ES_MODE_CAPTURE 0x0004
 373
 374 #define ES_MODE_OUTPUT  0x0001  /* for MIDI */
 375 #define ES_MODE_INPUT   0x0002  /* for MIDI */
 376
 377 /*
 378
 379  */
 380
 381 struct ensoniq {
 382         spinlock_t reg_lock;
 383         struct mutex src_mutex;
 384
 385         int irq;
 386
 387         unsigned long playback1size;
 388         unsigned long playback2size;
 389         unsigned long capture3size;
 390
 391         unsigned long port;
 392         unsigned int mode;
 393         unsigned int uartm;     /* UART mode */
 394
 395         unsigned int ctrl;      /* control register */
 396         unsigned int sctrl;     /* serial control register */
 397         unsigned int cssr;      /* control status register */
 398         unsigned int uartc;     /* uart control register */
 399         unsigned int rev;       /* chip revision */
 400
 401         union {
 402 #ifdef CHIP1371
 403                 struct {
 404                         struct snd_ac97 *ac97;
 405                 } es1371;
 406 #else
 407                 struct {
 408                         int pclkdiv_lock;
 409                         struct snd_ak4531 *ak4531;
 410                 } es1370;
 411 #endif
 412         } u;
 413
 414         struct pci_dev *pci;
 415         struct snd_card *card;
 416         struct snd_pcm *pcm1;   /* DAC1/ADC PCM */
 417         struct snd_pcm *pcm2;   /* DAC2 PCM */
 418         struct snd_pcm_substream *playback1_substream;
 419         struct snd_pcm_substream *playback2_substream;
 420         struct snd_pcm_substream *capture_substream;
 421         unsigned int p1_dma_size;
 422         unsigned int p2_dma_size;
 423         unsigned int c_dma_size;
 424         unsigned int p1_period_size;
 425         unsigned int p2_period_size;
 426         unsigned int c_period_size;
 427         struct snd_rawmidi *rmidi;
 428         struct snd_rawmidi_substream *midi_input;
 429         struct snd_rawmidi_substream *midi_output;
 430
 431         unsigned int spdif;
 432         unsigned int spdif_default;
 433         unsigned int spdif_stream;
 434
 435 #ifdef CHIP1370
 436         struct snd_dma_buffer dma_bug;
 437 #endif
 438
 439 #ifdef SUPPORT_JOYSTICK
 440         struct gameport *gameport;
 441 #endif
 442 };
 443
 444 static irqreturn_t snd_audiopci_interrupt(int irq, void *dev_id);
 445
 446 static struct pci_device_id snd_audiopci_ids[] = {
 447 #ifdef CHIP1370
 448         { 0x1274, 0x5000, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },   /* ES1370 */
 449 #endif
 450 #ifdef CHIP1371
 451         { 0x1274, 0x1371, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },   /* ES1371 */
 452         { 0x1274, 0x5880, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },   /* ES1373 - CT5880 */
 453         { 0x1102, 0x8938, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },   /* Ectiva EV1938 */
 454 #endif
 455         { 0, }
 456 };
 457
 458 MODULE_DEVICE_TABLE(pci, snd_audiopci_ids);
 459
 460 /*
 461  *  constants
 462  */
 463
 464 #define POLL_COUNT      0xa000
 465
 466 #ifdef CHIP1370
 467 static unsigned int snd_es1370_fixed_rates[] =
 468         {5512, 11025, 22050, 44100};
 469 static struct snd_pcm_hw_constraint_list snd_es1370_hw_constraints_rates = {
 470         .count = 4,
 471         .list = snd_es1370_fixed_rates,
 472         .mask = 0,
 473 };
 474 static struct snd_ratnum es1370_clock = {
 475         .num = ES_1370_SRCLOCK,
 476         .den_min = 29,
 477         .den_max = 353,
 478         .den_step = 1,
 479 };
 480 static struct snd_pcm_hw_constraint_ratnums snd_es1370_hw_constraints_clock = {
 481         .nrats = 1,
 482         .rats = &es1370_clock,
 483 };
 484 #else
 485 static struct snd_ratden es1371_dac_clock = {
 486         .num_min = 3000 * (1 << 15),
 487         .num_max = 48000 * (1 << 15),
 488         .num_step = 3000,
 489         .den = 1 << 15,
 490 };
 491 static struct snd_pcm_hw_constraint_ratdens snd_es1371_hw_constraints_dac_clock = {
 492         .nrats = 1,
 493         .rats = &es1371_dac_clock,
 494 };
 495 static struct snd_ratnum es1371_adc_clock = {
 496         .num = 48000 << 15,
 497         .den_min = 32768,
 498         .den_max = 393216,
 499         .den_step = 1,
 500 };
 501 static struct snd_pcm_hw_constraint_ratnums snd_es1371_hw_constraints_adc_clock = {
 502         .nrats = 1,
 503         .rats = &es1371_adc_clock,
 504 };
 505 #endif
 506 static const unsigned int snd_ensoniq_sample_shift[] =
 507         {0, 1, 1, 2};
 508
 509 /*
 510  *  common I/O routines
 511  */
 512
 513 #ifdef CHIP1371
 514
 515 static unsigned int snd_es1371_wait_src_ready(struct ensoniq * ensoniq)
 516 {
 517         unsigned int t, r = 0;
 518
 519         for (t = 0; t < POLL_COUNT; t++) {
 520                 r = inl(ES_REG(ensoniq, 1371_SMPRATE));
 521                 if ((r & ES_1371_SRC_RAM_BUSY) == 0)
 522                         return r;
 523                 cond_resched();
 524         }
 525         snd_printk(KERN_ERR "wait source ready timeout 0x%lx [0x%x]\n",
 526                    ES_REG(ensoniq, 1371_SMPRATE), r);
 527         return 0;
 528 }
 529
 530 static unsigned int snd_es1371_src_read(struct ensoniq * ensoniq, unsigned short reg)
 531 {
 532         unsigned int temp, i, orig, r;
 533
 534         /* wait for ready */
 535         temp = orig = snd_es1371_wait_src_ready(ensoniq);
 536
 537         /* expose the SRC state bits */
 538         r = temp & (ES_1371_SRC_DISABLE | ES_1371_DIS_P1 |
 539                     ES_1371_DIS_P2 | ES_1371_DIS_R1);
 540         r |= ES_1371_SRC_RAM_ADDRO(reg) | 0x10000;
 541         outl(r, ES_REG(ensoniq, 1371_SMPRATE));
 542
 543         /* now, wait for busy and the correct time to read */
 544         temp = snd_es1371_wait_src_ready(ensoniq);
 545
 546         if ((temp & 0x00870000) != 0x00010000) {
 547                 /* wait for the right state */
 548                 for (i = 0; i < POLL_COUNT; i++) {
 549                         temp = inl(ES_REG(ensoniq, 1371_SMPRATE));
 550                         if ((temp & 0x00870000) == 0x00010000)
 551                                 break;
 552                 }
 553         }
 554
 555         /* hide the state bits */
 556         r = orig & (ES_1371_SRC_DISABLE | ES_1371_DIS_P1 |
 557                    ES_1371_DIS_P2 | ES_1371_DIS_R1);
 558         r |= ES_1371_SRC_RAM_ADDRO(reg);
 559         outl(r, ES_REG(ensoniq, 1371_SMPRATE));
 560
 561         return temp;
 562 }
 563
 564 static void snd_es1371_src_write(struct ensoniq * ensoniq,
 565                                  unsigned short reg, unsigned short data)
 566 {
 567         unsigned int r;
 568
 569         r = snd_es1371_wait_src_ready(ensoniq) &
 570             (ES_1371_SRC_DISABLE | ES_1371_DIS_P1 |
 571              ES_1371_DIS_P2 | ES_1371_DIS_R1);
 572         r |= ES_1371_SRC_RAM_ADDRO(reg) | ES_1371_SRC_RAM_DATAO(data);
 573         outl(r | ES_1371_SRC_RAM_WE, ES_REG(ensoniq, 1371_SMPRATE));
 574 }
 575
 576 #endif /* CHIP1371 */
 577
 578 #ifdef CHIP1370
 579
 580 static void snd_es1370_codec_write(struct snd_ak4531 *ak4531,
 581                                    unsigned short reg, unsigned short val)
 582 {
 583         struct ensoniq *ensoniq = ak4531->private_data;
 584         unsigned long end_time = jiffies + HZ / 10;
 585
 586 #if 0
 587         printk("CODEC WRITE: reg = 0x%x, val = 0x%x (0x%x), creg = 0x%x\n",
 588                reg, val, ES_1370_CODEC_WRITE(reg, val), ES_REG(ensoniq, 1370_CODEC));
 589 #endif
 590         do {
 591                 if (!(inl(ES_REG(ensoniq, STATUS)) & ES_1370_CSTAT)) {
 592                         outw(ES_1370_CODEC_WRITE(reg, val), ES_REG(ensoniq, 1370_CODEC));
 593                         return;
 594                 }
 595                 schedule_timeout_uninterruptible(1);
 596         } while (time_after(end_time, jiffies));
 597         snd_printk(KERN_ERR "codec write timeout, status = 0x%x\n",
 598                    inl(ES_REG(ensoniq, STATUS)));
 599 }
 600
 601 #endif /* CHIP1370 */
 602
 603 #ifdef CHIP1371
 604
 605 static void snd_es1371_codec_write(struct snd_ac97 *ac97,
 606                                    unsigned short reg, unsigned short val)
 607 {
 608         struct ensoniq *ensoniq = ac97->private_data;
 609         unsigned int t, x;
 610
 611         mutex_lock(&ensoniq->src_mutex);
 612         for (t = 0; t < POLL_COUNT; t++) {
 613                 if (!(inl(ES_REG(ensoniq, 1371_CODEC)) & ES_1371_CODEC_WIP)) {
 614                         /* save the current state for latter */
 615                         x = snd_es1371_wait_src_ready(ensoniq);
 616                         outl((x & (ES_1371_SRC_DISABLE | ES_1371_DIS_P1 |
 617                                    ES_1371_DIS_P2 | ES_1371_DIS_R1)) | 0x00010000,
 618                              ES_REG(ensoniq, 1371_SMPRATE));
 619                         /* wait for not busy (state 0) first to avoid
 620                            transition states */
 621                         for (t = 0; t < POLL_COUNT; t++) {
 622                                 if ((inl(ES_REG(ensoniq, 1371_SMPRATE)) & 0x00870000) ==
 623                                     0x00000000)
 624                                         break;
 625                         }
 626                         /* wait for a SAFE time to write addr/data and then do it, dammit */
 627                         for (t = 0; t < POLL_COUNT; t++) {
 628                                 if ((inl(ES_REG(ensoniq, 1371_SMPRATE)) & 0x00870000) ==
 629                                     0x00010000)
 630                                         break;
 631                         }
 632                         outl(ES_1371_CODEC_WRITE(reg, val), ES_REG(ensoniq, 1371_CODEC));
 633                         /* restore SRC reg */
 634                         snd_es1371_wait_src_ready(ensoniq);
 635                         outl(x, ES_REG(ensoniq, 1371_SMPRATE));
 636                         mutex_unlock(&ensoniq->src_mutex);
 637                         return;
 638                 }
 639         }
 640         mutex_unlock(&ensoniq->src_mutex);
 641         snd_printk(KERN_ERR "codec write timeout at 0x%lx [0x%x]\n",
 642                    ES_REG(ensoniq, 1371_CODEC), inl(ES_REG(ensoniq, 1371_CODEC)));
 643 }
 644
 645 static unsigned short snd_es1371_codec_read(struct snd_ac97 *ac97,
 646                                             unsigned short reg)
 647 {
 648         struct ensoniq *ensoniq = ac97->private_data;
 649         unsigned int t, x, fail = 0;
 650
 651       __again:
 652         mutex_lock(&ensoniq->src_mutex);
 653         for (t = 0; t < POLL_COUNT; t++) {
 654                 if (!(inl(ES_REG(ensoniq, 1371_CODEC)) & ES_1371_CODEC_WIP)) {
 655                         /* save the current state for latter */
 656                         x = snd_es1371_wait_src_ready(ensoniq);
 657                         outl((x & (ES_1371_SRC_DISABLE | ES_1371_DIS_P1 |
 658                                    ES_1371_DIS_P2 | ES_1371_DIS_R1)) | 0x00010000,
 659                              ES_REG(ensoniq, 1371_SMPRATE));
 660                         /* wait for not busy (state 0) first to avoid
 661                            transition states */
 662                         for (t = 0; t < POLL_COUNT; t++) {
 663                                 if ((inl(ES_REG(ensoniq, 1371_SMPRATE)) & 0x00870000) ==
 664                                     0x00000000)
 665                                         break;
 666                         }
 667                         /* wait for a SAFE time to write addr/data and then do it, dammit */
 668                         for (t = 0; t < POLL_COUNT; t++) {
 669                                 if ((inl(ES_REG(ensoniq, 1371_SMPRATE)) & 0x00870000) ==
 670                                     0x00010000)
 671                                         break;
 672                         }
 673                         outl(ES_1371_CODEC_READS(reg), ES_REG(ensoniq, 1371_CODEC));
 674                         /* restore SRC reg */
 675                         snd_es1371_wait_src_ready(ensoniq);
 676                         outl(x, ES_REG(ensoniq, 1371_SMPRATE));
 677                         /* wait for WIP again */
 678                         for (t = 0; t < POLL_COUNT; t++) {
 679                                 if (!(inl(ES_REG(ensoniq, 1371_CODEC)) & ES_1371_CODEC_WIP))
 680                                         break;
 681                         }
 682                         /* now wait for the stinkin' data (RDY) */
 683                         for (t = 0; t < POLL_COUNT; t++) {
 684                                 if ((x = inl(ES_REG(ensoniq, 1371_CODEC))) & ES_1371_CODEC_RDY) {
 685                                         mutex_unlock(&ensoniq->src_mutex);
 686                                         return ES_1371_CODEC_READ(x);
 687                                 }
 688                         }
 689                         mutex_unlock(&ensoniq->src_mutex);
 690                         if (++fail > 10) {
 691                                 snd_printk(KERN_ERR "codec read timeout (final) "
 692                                            "at 0x%lx, reg = 0x%x [0x%x]\n",
 693                                            ES_REG(ensoniq, 1371_CODEC), reg,
 694                                            inl(ES_REG(ensoniq, 1371_CODEC)));
 695                                 return 0;
 696                         }
 697                         goto __again;
 698                 }
 699         }
 700         mutex_unlock(&ensoniq->src_mutex);
 701         snd_printk(KERN_ERR "es1371: codec read timeout at 0x%lx [0x%x]\n",
 702                    ES_REG(ensoniq, 1371_CODEC), inl(ES_REG(ensoniq, 1371_CODEC)));
 703         return 0;
 704 }
 705
 706 static void snd_es1371_codec_wait(struct snd_ac97 *ac97)
 707 {
 708         msleep(750);
 709         snd_es1371_codec_read(ac97, AC97_RESET);
 710         snd_es1371_codec_read(ac97, AC97_VENDOR_ID1);
 711         snd_es1371_codec_read(ac97, AC97_VENDOR_ID2);
 712         msleep(50);
 713 }
 714
 715 static void snd_es1371_adc_rate(struct ensoniq * ensoniq, unsigned int rate)
 716 {
 717         unsigned int n, truncm, freq, result;
 718
 719         mutex_lock(&ensoniq->src_mutex);
 720         n = rate / 3000;
 721         if ((1 << n) & ((1 << 15) | (1 << 13) | (1 << 11) | (1 << 9)))
 722                 n--;
 723         truncm = (21 * n - 1) | 1;
 724         freq = ((48000UL << 15) / rate) * n;
 725         result = (48000UL << 15) / (freq / n);
 726         if (rate >= 24000) {
 727                 if (truncm > 239)
 728                         truncm = 239;
 729                 snd_es1371_src_write(ensoniq, ES_SMPREG_ADC + ES_SMPREG_TRUNC_N,
 730                                 (((239 - truncm) >> 1) << 9) | (n << 4));
 731         } else {
 732                 if (truncm > 119)
 733                         truncm = 119;
 734                 snd_es1371_src_write(ensoniq, ES_SMPREG_ADC + ES_SMPREG_TRUNC_N,
 735                                 0x8000 | (((119 - truncm) >> 1) << 9) | (n << 4));
 736         }
 737         snd_es1371_src_write(ensoniq, ES_SMPREG_ADC + ES_SMPREG_INT_REGS,
 738                              (snd_es1371_src_read(ensoniq, ES_SMPREG_ADC +
 739                                                   ES_SMPREG_INT_REGS) & 0x00ff) |
 740                              ((freq >> 5) & 0xfc00));
 741         snd_es1371_src_write(ensoniq, ES_SMPREG_ADC + ES_SMPREG_VFREQ_FRAC, freq & 0x7fff);
 742         snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC, n << 8);
 743         snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC + 1, n << 8);
 744         mutex_unlock(&ensoniq->src_mutex);
 745 }
 746
 747 static void snd_es1371_dac1_rate(struct ensoniq * ensoniq, unsigned int rate)
 748 {
 749         unsigned int freq, r;
 750
 751         mutex_lock(&ensoniq->src_mutex);
 752         freq = ((rate << 15) + 1500) / 3000;
 753         r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE |
 754                                                    ES_1371_DIS_P2 | ES_1371_DIS_R1)) |
 755                 ES_1371_DIS_P1;
 756         outl(r, ES_REG(ensoniq, 1371_SMPRATE));
 757         snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_INT_REGS,
 758                              (snd_es1371_src_read(ensoniq, ES_SMPREG_DAC1 +
 759                                                   ES_SMPREG_INT_REGS) & 0x00ff) |
 760                              ((freq >> 5) & 0xfc00));
 761         snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_VFREQ_FRAC, freq & 0x7fff);
 762         r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE |
 763                                                    ES_1371_DIS_P2 | ES_1371_DIS_R1));
 764         outl(r, ES_REG(ensoniq, 1371_SMPRATE));
 765         mutex_unlock(&ensoniq->src_mutex);
 766 }
 767
 768 static void snd_es1371_dac2_rate(struct ensoniq * ensoniq, unsigned int rate)
 769 {
 770         unsigned int freq, r;
 771
 772         mutex_lock(&ensoniq->src_mutex);
 773         freq = ((rate << 15) + 1500) / 3000;
 774         r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE |
 775                                                    ES_1371_DIS_P1 | ES_1371_DIS_R1)) |
 776                 ES_1371_DIS_P2;
 777         outl(r, ES_REG(ensoniq, 1371_SMPRATE));
 778         snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_INT_REGS,
 779                              (snd_es1371_src_read(ensoniq, ES_SMPREG_DAC2 +
 780                                                   ES_SMPREG_INT_REGS) & 0x00ff) |
 781                              ((freq >> 5) & 0xfc00));
 782         snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_VFREQ_FRAC,
 783                              freq & 0x7fff);
 784         r = (snd_es1371_wait_src_ready(ensoniq) & (ES_1371_SRC_DISABLE |
 785                                                    ES_1371_DIS_P1 | ES_1371_DIS_R1));
 786         outl(r, ES_REG(ensoniq, 1371_SMPRATE));
 787         mutex_unlock(&ensoniq->src_mutex);
 788 }
 789
 790 #endif /* CHIP1371 */
 791
 792 static int snd_ensoniq_trigger(struct snd_pcm_substream *substream, int cmd)
 793 {
 794         struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
 795         switch (cmd) {
 796         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 797         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 798         {
 799                 unsigned int what = 0;
 800                 struct snd_pcm_substream *s;
 801                 snd_pcm_group_for_each_entry(s, substream) {
 802                         if (s == ensoniq->playback1_substream) {
 803                                 what |= ES_P1_PAUSE;
 804                                 snd_pcm_trigger_done(s, substream);
 805                         } else if (s == ensoniq->playback2_substream) {
 806                                 what |= ES_P2_PAUSE;
 807                                 snd_pcm_trigger_done(s, substream);
 808                         } else if (s == ensoniq->capture_substream)
 809                                 return -EINVAL;
 810                 }
 811                 spin_lock(&ensoniq->reg_lock);
 812                 if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
 813                         ensoniq->sctrl |= what;
 814                 else
 815                         ensoniq->sctrl &= ~what;
 816                 outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
 817                 spin_unlock(&ensoniq->reg_lock);
 818                 break;
 819         }
 820         case SNDRV_PCM_TRIGGER_START:
 821         case SNDRV_PCM_TRIGGER_STOP:
 822         {
 823                 unsigned int what = 0;
 824                 struct snd_pcm_substream *s;
 825                 snd_pcm_group_for_each_entry(s, substream) {
 826                         if (s == ensoniq->playback1_substream) {
 827                                 what |= ES_DAC1_EN;
 828                                 snd_pcm_trigger_done(s, substream);
 829                         } else if (s == ensoniq->playback2_substream) {
 830                                 what |= ES_DAC2_EN;
 831                                 snd_pcm_trigger_done(s, substream);
 832                         } else if (s == ensoniq->capture_substream) {
 833                                 what |= ES_ADC_EN;
 834                                 snd_pcm_trigger_done(s, substream);
 835                         }
 836                 }
 837                 spin_lock(&ensoniq->reg_lock);
 838                 if (cmd == SNDRV_PCM_TRIGGER_START)
 839                         ensoniq->ctrl |= what;
 840                 else
 841                         ensoniq->ctrl &= ~what;
 842                 outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
 843                 spin_unlock(&ensoniq->reg_lock);
 844                 break;
 845         }
 846         default:
 847                 return -EINVAL;
 848         }
 849         return 0;
 850 }
 851
 852 /*
 853  *  PCM part
 854  */
 855
 856 static int snd_ensoniq_hw_params(struct snd_pcm_substream *substream,
 857                                  struct snd_pcm_hw_params *hw_params)
 858 {
 859         return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 860 }
 861
 862 static int snd_ensoniq_hw_free(struct snd_pcm_substream *substream)
 863 {
 864         return snd_pcm_lib_free_pages(substream);
 865 }
 866
 867 static int snd_ensoniq_playback1_prepare(struct snd_pcm_substream *substream)
 868 {
 869         struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
 870         struct snd_pcm_runtime *runtime = substream->runtime;
 871         unsigned int mode = 0;
 872
 873         ensoniq->p1_dma_size = snd_pcm_lib_buffer_bytes(substream);
 874         ensoniq->p1_period_size = snd_pcm_lib_period_bytes(substream);
 875         if (snd_pcm_format_width(runtime->format) == 16)
 876                 mode |= 0x02;
 877         if (runtime->channels > 1)
 878                 mode |= 0x01;
 879         spin_lock_irq(&ensoniq->reg_lock);
 880         ensoniq->ctrl &= ~ES_DAC1_EN;
 881 #ifdef CHIP1371
 882         /* 48k doesn't need SRC (it breaks AC3-passthru) */
 883         if (runtime->rate == 48000)
 884                 ensoniq->ctrl |= ES_1373_BYPASS_P1;
 885         else
 886                 ensoniq->ctrl &= ~ES_1373_BYPASS_P1;
 887 #endif
 888         outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
 889         outl(ES_MEM_PAGEO(ES_PAGE_DAC), ES_REG(ensoniq, MEM_PAGE));
 890         outl(runtime->dma_addr, ES_REG(ensoniq, DAC1_FRAME));
 891         outl((ensoniq->p1_dma_size >> 2) - 1, ES_REG(ensoniq, DAC1_SIZE));
 892         ensoniq->sctrl &= ~(ES_P1_LOOP_SEL | ES_P1_PAUSE | ES_P1_SCT_RLD | ES_P1_MODEM);
 893         ensoniq->sctrl |= ES_P1_INT_EN | ES_P1_MODEO(mode);
 894         outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
 895         outl((ensoniq->p1_period_size >> snd_ensoniq_sample_shift[mode]) - 1,
 896              ES_REG(ensoniq, DAC1_COUNT));
 897 #ifdef CHIP1370
 898         ensoniq->ctrl &= ~ES_1370_WTSRSELM;
 899         switch (runtime->rate) {
 900         case 5512: ensoniq->ctrl |= ES_1370_WTSRSEL(0); break;
 901         case 11025: ensoniq->ctrl |= ES_1370_WTSRSEL(1); break;
 902         case 22050: ensoniq->ctrl |= ES_1370_WTSRSEL(2); break;
 903         case 44100: ensoniq->ctrl |= ES_1370_WTSRSEL(3); break;
 904         default: snd_BUG();
 905         }
 906 #endif
 907         outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
 908         spin_unlock_irq(&ensoniq->reg_lock);
 909 #ifndef CHIP1370
 910         snd_es1371_dac1_rate(ensoniq, runtime->rate);
 911 #endif
 912         return 0;
 913 }
 914
 915 static int snd_ensoniq_playback2_prepare(struct snd_pcm_substream *substream)
 916 {
 917         struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
 918         struct snd_pcm_runtime *runtime = substream->runtime;
 919         unsigned int mode = 0;
 920
 921         ensoniq->p2_dma_size = snd_pcm_lib_buffer_bytes(substream);
 922         ensoniq->p2_period_size = snd_pcm_lib_period_bytes(substream);
 923         if (snd_pcm_format_width(runtime->format) == 16)
 924                 mode |= 0x02;
 925         if (runtime->channels > 1)
 926                 mode |= 0x01;
 927         spin_lock_irq(&ensoniq->reg_lock);
 928         ensoniq->ctrl &= ~ES_DAC2_EN;
 929         outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
 930         outl(ES_MEM_PAGEO(ES_PAGE_DAC), ES_REG(ensoniq, MEM_PAGE));
 931         outl(runtime->dma_addr, ES_REG(ensoniq, DAC2_FRAME));
 932         outl((ensoniq->p2_dma_size >> 2) - 1, ES_REG(ensoniq, DAC2_SIZE));
 933         ensoniq->sctrl &= ~(ES_P2_LOOP_SEL | ES_P2_PAUSE | ES_P2_DAC_SEN |
 934                             ES_P2_END_INCM | ES_P2_ST_INCM | ES_P2_MODEM);
 935         ensoniq->sctrl |= ES_P2_INT_EN | ES_P2_MODEO(mode) |
 936                           ES_P2_END_INCO(mode & 2 ? 2 : 1) | ES_P2_ST_INCO(0);
 937         outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
 938         outl((ensoniq->p2_period_size >> snd_ensoniq_sample_shift[mode]) - 1,
 939              ES_REG(ensoniq, DAC2_COUNT));
 940 #ifdef CHIP1370
 941         if (!(ensoniq->u.es1370.pclkdiv_lock & ES_MODE_CAPTURE)) {
 942                 ensoniq->ctrl &= ~ES_1370_PCLKDIVM;
 943                 ensoniq->ctrl |= ES_1370_PCLKDIVO(ES_1370_SRTODIV(runtime->rate));
 944                 ensoniq->u.es1370.pclkdiv_lock |= ES_MODE_PLAY2;
 945         }
 946 #endif
 947         outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
 948         spin_unlock_irq(&ensoniq->reg_lock);
 949 #ifndef CHIP1370
 950         snd_es1371_dac2_rate(ensoniq, runtime->rate);
 951 #endif
 952         return 0;
 953 }
 954
 955 static int snd_ensoniq_capture_prepare(struct snd_pcm_substream *substream)
 956 {
 957         struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
 958         struct snd_pcm_runtime *runtime = substream->runtime;
 959         unsigned int mode = 0;
 960
 961         ensoniq->c_dma_size = snd_pcm_lib_buffer_bytes(substream);
 962         ensoniq->c_period_size = snd_pcm_lib_period_bytes(substream);
 963         if (snd_pcm_format_width(runtime->format) == 16)
 964                 mode |= 0x02;
 965         if (runtime->channels > 1)
 966                 mode |= 0x01;
 967         spin_lock_irq(&ensoniq->reg_lock);
 968         ensoniq->ctrl &= ~ES_ADC_EN;
 969         outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
 970         outl(ES_MEM_PAGEO(ES_PAGE_ADC), ES_REG(ensoniq, MEM_PAGE));
 971         outl(runtime->dma_addr, ES_REG(ensoniq, ADC_FRAME));
 972         outl((ensoniq->c_dma_size >> 2) - 1, ES_REG(ensoniq, ADC_SIZE));
 973         ensoniq->sctrl &= ~(ES_R1_LOOP_SEL | ES_R1_MODEM);
 974         ensoniq->sctrl |= ES_R1_INT_EN | ES_R1_MODEO(mode);
 975         outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
 976         outl((ensoniq->c_period_size >> snd_ensoniq_sample_shift[mode]) - 1,
 977              ES_REG(ensoniq, ADC_COUNT));
 978 #ifdef CHIP1370
 979         if (!(ensoniq->u.es1370.pclkdiv_lock & ES_MODE_PLAY2)) {
 980                 ensoniq->ctrl &= ~ES_1370_PCLKDIVM;
 981                 ensoniq->ctrl |= ES_1370_PCLKDIVO(ES_1370_SRTODIV(runtime->rate));
 982                 ensoniq->u.es1370.pclkdiv_lock |= ES_MODE_CAPTURE;
 983         }
 984 #endif
 985         outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
 986         spin_unlock_irq(&ensoniq->reg_lock);
 987 #ifndef CHIP1370
 988         snd_es1371_adc_rate(ensoniq, runtime->rate);
 989 #endif
 990         return 0;
 991 }
 992
 993 static snd_pcm_uframes_t snd_ensoniq_playback1_pointer(struct snd_pcm_substream *substream)
 994 {
 995         struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
 996         size_t ptr;
 997
 998         spin_lock(&ensoniq->reg_lock);
 999         if (inl(ES_REG(ensoniq, CONTROL)) & ES_DAC1_EN) {
1000                 outl(ES_MEM_PAGEO(ES_PAGE_DAC), ES_REG(ensoniq, MEM_PAGE));
1001                 ptr = ES_REG_FCURR_COUNTI(inl(ES_REG(ensoniq, DAC1_SIZE)));
1002                 ptr = bytes_to_frames(substream->runtime, ptr);
1003         } else {
1004                 ptr = 0;
1005         }
1006         spin_unlock(&ensoniq->reg_lock);
1007         return ptr;
1008 }
1009
1010 static snd_pcm_uframes_t snd_ensoniq_playback2_pointer(struct snd_pcm_substream *substream)
1011 {
1012         struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1013         size_t ptr;
1014
1015         spin_lock(&ensoniq->reg_lock);
1016         if (inl(ES_REG(ensoniq, CONTROL)) & ES_DAC2_EN) {
1017                 outl(ES_MEM_PAGEO(ES_PAGE_DAC), ES_REG(ensoniq, MEM_PAGE));
1018                 ptr = ES_REG_FCURR_COUNTI(inl(ES_REG(ensoniq, DAC2_SIZE)));
1019                 ptr = bytes_to_frames(substream->runtime, ptr);
1020         } else {
1021                 ptr = 0;
1022         }
1023         spin_unlock(&ensoniq->reg_lock);
1024         return ptr;
1025 }
1026
1027 static snd_pcm_uframes_t snd_ensoniq_capture_pointer(struct snd_pcm_substream *substream)
1028 {
1029         struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1030         size_t ptr;
1031
1032         spin_lock(&ensoniq->reg_lock);
1033         if (inl(ES_REG(ensoniq, CONTROL)) & ES_ADC_EN) {
1034                 outl(ES_MEM_PAGEO(ES_PAGE_ADC), ES_REG(ensoniq, MEM_PAGE));
1035                 ptr = ES_REG_FCURR_COUNTI(inl(ES_REG(ensoniq, ADC_SIZE)));
1036                 ptr = bytes_to_frames(substream->runtime, ptr);
1037         } else {
1038                 ptr = 0;
1039         }
1040         spin_unlock(&ensoniq->reg_lock);
1041         return ptr;
1042 }
1043
1044 static struct snd_pcm_hardware snd_ensoniq_playback1 =
1045 {
1046         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1047                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1048                                  SNDRV_PCM_INFO_MMAP_VALID |
1049                                  SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_SYNC_START),
1050         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1051         .rates =
1052 #ifndef CHIP1370
1053                                 SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1054 #else
1055                                 (SNDRV_PCM_RATE_KNOT |  /* 5512Hz rate */
1056                                  SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_22050 |
1057                                  SNDRV_PCM_RATE_44100),
1058 #endif
1059         .rate_min =             4000,
1060         .rate_max =             48000,
1061         .channels_min =         1,
1062         .channels_max =         2,
1063         .buffer_bytes_max =     (128*1024),
1064         .period_bytes_min =     64,
1065         .period_bytes_max =     (128*1024),
1066         .periods_min =          1,
1067         .periods_max =          1024,
1068         .fifo_size =            0,
1069 };
1070
1071 static struct snd_pcm_hardware snd_ensoniq_playback2 =
1072 {
1073         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1074                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1075                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE |
1076                                  SNDRV_PCM_INFO_SYNC_START),
1077         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1078         .rates =                SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1079         .rate_min =             4000,
1080         .rate_max =             48000,
1081         .channels_min =         1,
1082         .channels_max =         2,
1083         .buffer_bytes_max =     (128*1024),
1084         .period_bytes_min =     64,
1085         .period_bytes_max =     (128*1024),
1086         .periods_min =          1,
1087         .periods_max =          1024,
1088         .fifo_size =            0,
1089 };
1090
1091 static struct snd_pcm_hardware snd_ensoniq_capture =
1092 {
1093         .info =                 (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1094                                  SNDRV_PCM_INFO_BLOCK_TRANSFER |
1095                                  SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_SYNC_START),
1096         .formats =              SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
1097         .rates =                SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1098         .rate_min =             4000,
1099         .rate_max =             48000,
1100         .channels_min =         1,
1101         .channels_max =         2,
1102         .buffer_bytes_max =     (128*1024),
1103         .period_bytes_min =     64,
1104         .period_bytes_max =     (128*1024),
1105         .periods_min =          1,
1106         .periods_max =          1024,
1107         .fifo_size =            0,
1108 };
1109
1110 static int snd_ensoniq_playback1_open(struct snd_pcm_substream *substream)
1111 {
1112         struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1113         struct snd_pcm_runtime *runtime = substream->runtime;
1114
1115         ensoniq->mode |= ES_MODE_PLAY1;
1116         ensoniq->playback1_substream = substream;
1117         runtime->hw = snd_ensoniq_playback1;
1118         snd_pcm_set_sync(substream);
1119         spin_lock_irq(&ensoniq->reg_lock);
1120         if (ensoniq->spdif && ensoniq->playback2_substream == NULL)
1121                 ensoniq->spdif_stream = ensoniq->spdif_default;
1122         spin_unlock_irq(&ensoniq->reg_lock);
1123 #ifdef CHIP1370
1124         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1125                                    &snd_es1370_hw_constraints_rates);
1126 #else
1127         snd_pcm_hw_constraint_ratdens(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1128                                       &snd_es1371_hw_constraints_dac_clock);
1129 #endif
1130         return 0;
1131 }
1132
1133 static int snd_ensoniq_playback2_open(struct snd_pcm_substream *substream)
1134 {
1135         struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1136         struct snd_pcm_runtime *runtime = substream->runtime;
1137
1138         ensoniq->mode |= ES_MODE_PLAY2;
1139         ensoniq->playback2_substream = substream;
1140         runtime->hw = snd_ensoniq_playback2;
1141         snd_pcm_set_sync(substream);
1142         spin_lock_irq(&ensoniq->reg_lock);
1143         if (ensoniq->spdif && ensoniq->playback1_substream == NULL)
1144                 ensoniq->spdif_stream = ensoniq->spdif_default;
1145         spin_unlock_irq(&ensoniq->reg_lock);
1146 #ifdef CHIP1370
1147         snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1148                                       &snd_es1370_hw_constraints_clock);
1149 #else
1150         snd_pcm_hw_constraint_ratdens(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1151                                       &snd_es1371_hw_constraints_dac_clock);
1152 #endif
1153         return 0;
1154 }
1155
1156 static int snd_ensoniq_capture_open(struct snd_pcm_substream *substream)
1157 {
1158         struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1159         struct snd_pcm_runtime *runtime = substream->runtime;
1160
1161         ensoniq->mode |= ES_MODE_CAPTURE;
1162         ensoniq->capture_substream = substream;
1163         runtime->hw = snd_ensoniq_capture;
1164         snd_pcm_set_sync(substream);
1165 #ifdef CHIP1370
1166         snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1167                                       &snd_es1370_hw_constraints_clock);
1168 #else
1169         snd_pcm_hw_constraint_ratnums(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1170                                       &snd_es1371_hw_constraints_adc_clock);
1171 #endif
1172         return 0;
1173 }
1174
1175 static int snd_ensoniq_playback1_close(struct snd_pcm_substream *substream)
1176 {
1177         struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1178
1179         ensoniq->playback1_substream = NULL;
1180         ensoniq->mode &= ~ES_MODE_PLAY1;
1181         return 0;
1182 }
1183
1184 static int snd_ensoniq_playback2_close(struct snd_pcm_substream *substream)
1185 {
1186         struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1187
1188         ensoniq->playback2_substream = NULL;
1189         spin_lock_irq(&ensoniq->reg_lock);
1190 #ifdef CHIP1370
1191         ensoniq->u.es1370.pclkdiv_lock &= ~ES_MODE_PLAY2;
1192 #endif
1193         ensoniq->mode &= ~ES_MODE_PLAY2;
1194         spin_unlock_irq(&ensoniq->reg_lock);
1195         return 0;
1196 }
1197
1198 static int snd_ensoniq_capture_close(struct snd_pcm_substream *substream)
1199 {
1200         struct ensoniq *ensoniq = snd_pcm_substream_chip(substream);
1201
1202         ensoniq->capture_substream = NULL;
1203         spin_lock_irq(&ensoniq->reg_lock);
1204 #ifdef CHIP1370
1205         ensoniq->u.es1370.pclkdiv_lock &= ~ES_MODE_CAPTURE;
1206 #endif
1207         ensoniq->mode &= ~ES_MODE_CAPTURE;
1208         spin_unlock_irq(&ensoniq->reg_lock);
1209         return 0;
1210 }
1211
1212 static struct snd_pcm_ops snd_ensoniq_playback1_ops = {
1213         .open =         snd_ensoniq_playback1_open,
1214         .close =        snd_ensoniq_playback1_close,
1215         .ioctl =        snd_pcm_lib_ioctl,
1216         .hw_params =    snd_ensoniq_hw_params,
1217         .hw_free =      snd_ensoniq_hw_free,
1218         .prepare =      snd_ensoniq_playback1_prepare,
1219         .trigger =      snd_ensoniq_trigger,
1220         .pointer =      snd_ensoniq_playback1_pointer,
1221 };
1222
1223 static struct snd_pcm_ops snd_ensoniq_playback2_ops = {
1224         .open =         snd_ensoniq_playback2_open,
1225         .close =        snd_ensoniq_playback2_close,
1226         .ioctl =        snd_pcm_lib_ioctl,
1227         .hw_params =    snd_ensoniq_hw_params,
1228         .hw_free =      snd_ensoniq_hw_free,
1229         .prepare =      snd_ensoniq_playback2_prepare,
1230         .trigger =      snd_ensoniq_trigger,
1231         .pointer =      snd_ensoniq_playback2_pointer,
1232 };
1233
1234 static struct snd_pcm_ops snd_ensoniq_capture_ops = {
1235         .open =         snd_ensoniq_capture_open,
1236         .close =        snd_ensoniq_capture_close,
1237         .ioctl =        snd_pcm_lib_ioctl,
1238         .hw_params =    snd_ensoniq_hw_params,
1239         .hw_free =      snd_ensoniq_hw_free,
1240         .prepare =      snd_ensoniq_capture_prepare,
1241         .trigger =      snd_ensoniq_trigger,
1242         .pointer =      snd_ensoniq_capture_pointer,
1243 };
1244
1245 static int __devinit snd_ensoniq_pcm(struct ensoniq * ensoniq, int device,
1246                                      struct snd_pcm ** rpcm)
1247 {
1248         struct snd_pcm *pcm;
1249         int err;
1250
1251         if (rpcm)
1252                 *rpcm = NULL;
1253 #ifdef CHIP1370
1254         err = snd_pcm_new(ensoniq->card, "ES1370/1", device, 1, 1, &pcm);
1255 #else
1256         err = snd_pcm_new(ensoniq->card, "ES1371/1", device, 1, 1, &pcm);
1257 #endif
1258         if (err < 0)
1259                 return err;
1260
1261 #ifdef CHIP1370
1262         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ensoniq_playback2_ops);
1263 #else
1264         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ensoniq_playback1_ops);
1265 #endif
1266         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ensoniq_capture_ops);
1267
1268         pcm->private_data = ensoniq;
1269         pcm->info_flags = 0;
1270 #ifdef CHIP1370
1271         strcpy(pcm->name, "ES1370 DAC2/ADC");
1272 #else
1273         strcpy(pcm->name, "ES1371 DAC2/ADC");
1274 #endif
1275         ensoniq->pcm1 = pcm;
1276
1277         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1278                                               snd_dma_pci_data(ensoniq->pci), 64*1024, 128*1024);
1279
1280         if (rpcm)
1281                 *rpcm = pcm;
1282         return 0;
1283 }
1284
1285 static int __devinit snd_ensoniq_pcm2(struct ensoniq * ensoniq, int device,
1286                                       struct snd_pcm ** rpcm)
1287 {
1288         struct snd_pcm *pcm;
1289         int err;
1290
1291         if (rpcm)
1292                 *rpcm = NULL;
1293 #ifdef CHIP1370
1294         err = snd_pcm_new(ensoniq->card, "ES1370/2", device, 1, 0, &pcm);
1295 #else
1296         err = snd_pcm_new(ensoniq->card, "ES1371/2", device, 1, 0, &pcm);
1297 #endif
1298         if (err < 0)
1299                 return err;
1300
1301 #ifdef CHIP1370
1302         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ensoniq_playback1_ops);
1303 #else
1304         snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ensoniq_playback2_ops);
1305 #endif
1306         pcm->private_data = ensoniq;
1307         pcm->info_flags = 0;
1308 #ifdef CHIP1370
1309         strcpy(pcm->name, "ES1370 DAC1");
1310 #else
1311         strcpy(pcm->name, "ES1371 DAC1");
1312 #endif
1313         ensoniq->pcm2 = pcm;
1314
1315         snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1316                                               snd_dma_pci_data(ensoniq->pci), 64*1024, 128*1024);
1317
1318         if (rpcm)
1319                 *rpcm = pcm;
1320         return 0;
1321 }
1322
1323 /*
1324  *  Mixer section
1325  */
1326
1327 /*
1328  * ENS1371 mixer (including SPDIF interface)
1329  */
1330 #ifdef CHIP1371
1331 static int snd_ens1373_spdif_info(struct snd_kcontrol *kcontrol,
1332                                   struct snd_ctl_elem_info *uinfo)
1333 {
1334         uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
1335         uinfo->count = 1;
1336         return 0;
1337 }
1338
1339 static int snd_ens1373_spdif_default_get(struct snd_kcontrol *kcontrol,
1340                                          struct snd_ctl_elem_value *ucontrol)
1341 {
1342         struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1343         spin_lock_irq(&ensoniq->reg_lock);
1344         ucontrol->value.iec958.status[0] = (ensoniq->spdif_default >> 0) & 0xff;
1345         ucontrol->value.iec958.status[1] = (ensoniq->spdif_default >> 8) & 0xff;
1346         ucontrol->value.iec958.status[2] = (ensoniq->spdif_default >> 16) & 0xff;
1347         ucontrol->value.iec958.status[3] = (ensoniq->spdif_default >> 24) & 0xff;
1348         spin_unlock_irq(&ensoniq->reg_lock);
1349         return 0;
1350 }
1351
1352 static int snd_ens1373_spdif_default_put(struct snd_kcontrol *kcontrol,
1353                                          struct snd_ctl_elem_value *ucontrol)
1354 {
1355         struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1356         unsigned int val;
1357         int change;
1358
1359         val = ((u32)ucontrol->value.iec958.status[0] << 0) |
1360               ((u32)ucontrol->value.iec958.status[1] << 8) |
1361               ((u32)ucontrol->value.iec958.status[2] << 16) |
1362               ((u32)ucontrol->value.iec958.status[3] << 24);
1363         spin_lock_irq(&ensoniq->reg_lock);
1364         change = ensoniq->spdif_default != val;
1365         ensoniq->spdif_default = val;
1366         if (change && ensoniq->playback1_substream == NULL &&
1367             ensoniq->playback2_substream == NULL)
1368                 outl(val, ES_REG(ensoniq, CHANNEL_STATUS));
1369         spin_unlock_irq(&ensoniq->reg_lock);
1370         return change;
1371 }
1372
1373 static int snd_ens1373_spdif_mask_get(struct snd_kcontrol *kcontrol,
1374                                       struct snd_ctl_elem_value *ucontrol)
1375 {
1376         ucontrol->value.iec958.status[0] = 0xff;
1377         ucontrol->value.iec958.status[1] = 0xff;
1378         ucontrol->value.iec958.status[2] = 0xff;
1379         ucontrol->value.iec958.status[3] = 0xff;
1380         return 0;
1381 }
1382
1383 static int snd_ens1373_spdif_stream_get(struct snd_kcontrol *kcontrol,
1384                                         struct snd_ctl_elem_value *ucontrol)
1385 {
1386         struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1387         spin_lock_irq(&ensoniq->reg_lock);
1388         ucontrol->value.iec958.status[0] = (ensoniq->spdif_stream >> 0) & 0xff;
1389         ucontrol->value.iec958.status[1] = (ensoniq->spdif_stream >> 8) & 0xff;
1390         ucontrol->value.iec958.status[2] = (ensoniq->spdif_stream >> 16) & 0xff;
1391         ucontrol->value.iec958.status[3] = (ensoniq->spdif_stream >> 24) & 0xff;
1392         spin_unlock_irq(&ensoniq->reg_lock);
1393         return 0;
1394 }
1395
1396 static int snd_ens1373_spdif_stream_put(struct snd_kcontrol *kcontrol,
1397                                         struct snd_ctl_elem_value *ucontrol)
1398 {
1399         struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1400         unsigned int val;
1401         int change;
1402
1403         val = ((u32)ucontrol->value.iec958.status[0] << 0) |
1404               ((u32)ucontrol->value.iec958.status[1] << 8) |
1405               ((u32)ucontrol->value.iec958.status[2] << 16) |
1406               ((u32)ucontrol->value.iec958.status[3] << 24);
1407         spin_lock_irq(&ensoniq->reg_lock);
1408         change = ensoniq->spdif_stream != val;
1409         ensoniq->spdif_stream = val;
1410         if (change && (ensoniq->playback1_substream != NULL ||
1411                        ensoniq->playback2_substream != NULL))
1412                 outl(val, ES_REG(ensoniq, CHANNEL_STATUS));
1413         spin_unlock_irq(&ensoniq->reg_lock);
1414         return change;
1415 }
1416
1417 #define ES1371_SPDIF(xname) \
1418 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_es1371_spdif_info, \
1419   .get = snd_es1371_spdif_get, .put = snd_es1371_spdif_put }
1420
1421 #define snd_es1371_spdif_info           snd_ctl_boolean_mono_info
1422
1423 static int snd_es1371_spdif_get(struct snd_kcontrol *kcontrol,
1424                                 struct snd_ctl_elem_value *ucontrol)
1425 {
1426         struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1427
1428         spin_lock_irq(&ensoniq->reg_lock);
1429         ucontrol->value.integer.value[0] = ensoniq->ctrl & ES_1373_SPDIF_THRU ? 1 : 0;
1430         spin_unlock_irq(&ensoniq->reg_lock);
1431         return 0;
1432 }
1433
1434 static int snd_es1371_spdif_put(struct snd_kcontrol *kcontrol,
1435                                 struct snd_ctl_elem_value *ucontrol)
1436 {
1437         struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1438         unsigned int nval1, nval2;
1439         int change;
1440
1441         nval1 = ucontrol->value.integer.value[0] ? ES_1373_SPDIF_THRU : 0;
1442         nval2 = ucontrol->value.integer.value[0] ? ES_1373_SPDIF_EN : 0;
1443         spin_lock_irq(&ensoniq->reg_lock);
1444         change = (ensoniq->ctrl & ES_1373_SPDIF_THRU) != nval1;
1445         ensoniq->ctrl &= ~ES_1373_SPDIF_THRU;
1446         ensoniq->ctrl |= nval1;
1447         ensoniq->cssr &= ~ES_1373_SPDIF_EN;
1448         ensoniq->cssr |= nval2;
1449         outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1450         outl(ensoniq->cssr, ES_REG(ensoniq, STATUS));
1451         spin_unlock_irq(&ensoniq->reg_lock);
1452         return change;
1453 }
1454
1455
1456 /* spdif controls */
1457 static struct snd_kcontrol_new snd_es1371_mixer_spdif[] __devinitdata = {
1458         ES1371_SPDIF(SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH)),
1459         {
1460                 .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1461                 .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
1462                 .info =         snd_ens1373_spdif_info,
1463                 .get =          snd_ens1373_spdif_default_get,
1464                 .put =          snd_ens1373_spdif_default_put,
1465         },
1466         {
1467                 .access =       SNDRV_CTL_ELEM_ACCESS_READ,
1468                 .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1469                 .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
1470                 .info =         snd_ens1373_spdif_info,
1471                 .get =          snd_ens1373_spdif_mask_get
1472         },
1473         {
1474                 .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
1475                 .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,PCM_STREAM),
1476                 .info =         snd_ens1373_spdif_info,
1477                 .get =          snd_ens1373_spdif_stream_get,
1478                 .put =          snd_ens1373_spdif_stream_put
1479         },
1480 };
1481
1482
1483 #define snd_es1373_rear_info            snd_ctl_boolean_mono_info
1484
1485 static int snd_es1373_rear_get(struct snd_kcontrol *kcontrol,
1486                                struct snd_ctl_elem_value *ucontrol)
1487 {
1488         struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1489         int val = 0;
1490
1491         spin_lock_irq(&ensoniq->reg_lock);
1492         if ((ensoniq->cssr & (ES_1373_REAR_BIT27|ES_1373_REAR_BIT26|
1493                               ES_1373_REAR_BIT24)) == ES_1373_REAR_BIT26)
1494                 val = 1;
1495         ucontrol->value.integer.value[0] = val;
1496         spin_unlock_irq(&ensoniq->reg_lock);
1497         return 0;
1498 }
1499
1500 static int snd_es1373_rear_put(struct snd_kcontrol *kcontrol,
1501                                struct snd_ctl_elem_value *ucontrol)
1502 {
1503         struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1504         unsigned int nval1;
1505         int change;
1506
1507         nval1 = ucontrol->value.integer.value[0] ?
1508                 ES_1373_REAR_BIT26 : (ES_1373_REAR_BIT27|ES_1373_REAR_BIT24);
1509         spin_lock_irq(&ensoniq->reg_lock);
1510         change = (ensoniq->cssr & (ES_1373_REAR_BIT27|
1511                                    ES_1373_REAR_BIT26|ES_1373_REAR_BIT24)) != nval1;
1512         ensoniq->cssr &= ~(ES_1373_REAR_BIT27|ES_1373_REAR_BIT26|ES_1373_REAR_BIT24);
1513         ensoniq->cssr |= nval1;
1514         outl(ensoniq->cssr, ES_REG(ensoniq, STATUS));
1515         spin_unlock_irq(&ensoniq->reg_lock);
1516         return change;
1517 }
1518
1519 static struct snd_kcontrol_new snd_ens1373_rear __devinitdata =
1520 {
1521         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
1522         .name =         "AC97 2ch->4ch Copy Switch",
1523         .info =         snd_es1373_rear_info,
1524         .get =          snd_es1373_rear_get,
1525         .put =          snd_es1373_rear_put,
1526 };
1527
1528 #define snd_es1373_line_info            snd_ctl_boolean_mono_info
1529
1530 static int snd_es1373_line_get(struct snd_kcontrol *kcontrol,
1531                                struct snd_ctl_elem_value *ucontrol)
1532 {
1533         struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1534         int val = 0;
1535
1536         spin_lock_irq(&ensoniq->reg_lock);
1537         if ((ensoniq->ctrl & ES_1371_GPIO_OUTM) >= 4)
1538                 val = 1;
1539         ucontrol->value.integer.value[0] = val;
1540         spin_unlock_irq(&ensoniq->reg_lock);
1541         return 0;
1542 }
1543
1544 static int snd_es1373_line_put(struct snd_kcontrol *kcontrol,
1545                                struct snd_ctl_elem_value *ucontrol)
1546 {
1547         struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1548         int changed;
1549         unsigned int ctrl;
1550
1551         spin_lock_irq(&ensoniq->reg_lock);
1552         ctrl = ensoniq->ctrl;
1553         if (ucontrol->value.integer.value[0])
1554                 ensoniq->ctrl |= ES_1371_GPIO_OUT(4);   /* switch line-in -> rear out */
1555         else
1556                 ensoniq->ctrl &= ~ES_1371_GPIO_OUT(4);
1557         changed = (ctrl != ensoniq->ctrl);
1558         if (changed)
1559                 outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1560         spin_unlock_irq(&ensoniq->reg_lock);
1561         return changed;
1562 }
1563
1564 static struct snd_kcontrol_new snd_ens1373_line __devinitdata =
1565 {
1566         .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
1567         .name =         "Line In->Rear Out Switch",
1568         .info =         snd_es1373_line_info,
1569         .get =          snd_es1373_line_get,
1570         .put =          snd_es1373_line_put,
1571 };
1572
1573 static void snd_ensoniq_mixer_free_ac97(struct snd_ac97 *ac97)
1574 {
1575         struct ensoniq *ensoniq = ac97->private_data;
1576         ensoniq->u.es1371.ac97 = NULL;
1577 }
1578
1579 struct es1371_quirk {
1580         unsigned short vid;             /* vendor ID */
1581         unsigned short did;             /* device ID */
1582         unsigned char rev;              /* revision */
1583 };
1584
1585 static int es1371_quirk_lookup(struct ensoniq *ensoniq,
1586                                 struct es1371_quirk *list)
1587 {
1588         while (list->vid != (unsigned short)PCI_ANY_ID) {
1589                 if (ensoniq->pci->vendor == list->vid &&
1590                     ensoniq->pci->device == list->did &&
1591                     ensoniq->rev == list->rev)
1592                         return 1;
1593                 list++;
1594         }
1595         return 0;
1596 }
1597
1598 static struct es1371_quirk es1371_spdif_present[] __devinitdata = {
1599         { .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_C },
1600         { .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_D },
1601         { .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_E },
1602         { .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_ES1371, .rev = ES1371REV_CT5880_A },
1603         { .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_ES1371, .rev = ES1371REV_ES1373_8 },
1604         { .vid = PCI_ANY_ID, .did = PCI_ANY_ID }
1605 };
1606
1607 static struct snd_pci_quirk ens1373_line_quirk[] __devinitdata = {
1608         SND_PCI_QUIRK_ID(0x1274, 0x2000), /* GA-7DXR */
1609         SND_PCI_QUIRK_ID(0x1458, 0xa000), /* GA-8IEXP */
1610         { } /* end */
1611 };
1612
1613 static int __devinit snd_ensoniq_1371_mixer(struct ensoniq *ensoniq,
1614                                             int has_spdif, int has_line)
1615 {
1616         struct snd_card *card = ensoniq->card;
1617         struct snd_ac97_bus *pbus;
1618         struct snd_ac97_template ac97;
1619         int err;
1620         static struct snd_ac97_bus_ops ops = {
1621                 .write = snd_es1371_codec_write,
1622                 .read = snd_es1371_codec_read,
1623                 .wait = snd_es1371_codec_wait,
1624         };
1625
1626         if ((err = snd_ac97_bus(card, 0, &ops, NULL, &pbus)) < 0)
1627                 return err;
1628
1629         memset(&ac97, 0, sizeof(ac97));
1630         ac97.private_data = ensoniq;
1631         ac97.private_free = snd_ensoniq_mixer_free_ac97;
1632         ac97.scaps = AC97_SCAP_AUDIO;
1633         if ((err = snd_ac97_mixer(pbus, &ac97, &ensoniq->u.es1371.ac97)) < 0)
1634                 return err;
1635         if (has_spdif > 0 ||
1636             (!has_spdif && es1371_quirk_lookup(ensoniq, es1371_spdif_present))) {
1637                 struct snd_kcontrol *kctl;
1638                 int i, index = 0;
1639
1640                 ensoniq->spdif_default = ensoniq->spdif_stream =
1641                         SNDRV_PCM_DEFAULT_CON_SPDIF;
1642                 outl(ensoniq->spdif_default, ES_REG(ensoniq, CHANNEL_STATUS));
1643
1644                 if (ensoniq->u.es1371.ac97->ext_id & AC97_EI_SPDIF)
1645                         index++;
1646
1647                 for (i = 0; i < ARRAY_SIZE(snd_es1371_mixer_spdif); i++) {
1648                         kctl = snd_ctl_new1(&snd_es1371_mixer_spdif[i], ensoniq);
1649                         if (!kctl)
1650                                 return -ENOMEM;
1651                         kctl->id.index = index;
1652                         err = snd_ctl_add(card, kctl);
1653                         if (err < 0)
1654                                 return err;
1655                 }
1656         }
1657         if (ensoniq->u.es1371.ac97->ext_id & AC97_EI_SDAC) {
1658                 /* mirror rear to front speakers */
1659                 ensoniq->cssr &= ~(ES_1373_REAR_BIT27|ES_1373_REAR_BIT24);
1660                 ensoniq->cssr |= ES_1373_REAR_BIT26;
1661                 err = snd_ctl_add(card, snd_ctl_new1(&snd_ens1373_rear, ensoniq));
1662                 if (err < 0)
1663                         return err;
1664         }
1665         if (has_line > 0 ||
1666             snd_pci_quirk_lookup(ensoniq->pci, ens1373_line_quirk)) {
1667                  err = snd_ctl_add(card, snd_ctl_new1(&snd_ens1373_line,
1668                                                       ensoniq));
1669                  if (err < 0)
1670                          return err;
1671         }
1672
1673         return 0;
1674 }
1675
1676 #endif /* CHIP1371 */
1677
1678 /* generic control callbacks for ens1370 */
1679 #ifdef CHIP1370
1680 #define ENSONIQ_CONTROL(xname, mask) \
1681 { .iface = SNDRV_CTL_ELEM_IFACE_CARD, .name = xname, .info = snd_ensoniq_control_info, \
1682   .get = snd_ensoniq_control_get, .put = snd_ensoniq_control_put, \
1683   .private_value = mask }
1684
1685 #define snd_ensoniq_control_info        snd_ctl_boolean_mono_info
1686
1687 static int snd_ensoniq_control_get(struct snd_kcontrol *kcontrol,
1688                                    struct snd_ctl_elem_value *ucontrol)
1689 {
1690         struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1691         int mask = kcontrol->private_value;
1692
1693         spin_lock_irq(&ensoniq->reg_lock);
1694         ucontrol->value.integer.value[0] = ensoniq->ctrl & mask ? 1 : 0;
1695         spin_unlock_irq(&ensoniq->reg_lock);
1696         return 0;
1697 }
1698
1699 static int snd_ensoniq_control_put(struct snd_kcontrol *kcontrol,
1700                                    struct snd_ctl_elem_value *ucontrol)
1701 {
1702         struct ensoniq *ensoniq = snd_kcontrol_chip(kcontrol);
1703         int mask = kcontrol->private_value;
1704         unsigned int nval;
1705         int change;
1706
1707         nval = ucontrol->value.integer.value[0] ? mask : 0;
1708         spin_lock_irq(&ensoniq->reg_lock);
1709         change = (ensoniq->ctrl & mask) != nval;
1710         ensoniq->ctrl &= ~mask;
1711         ensoniq->ctrl |= nval;
1712         outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1713         spin_unlock_irq(&ensoniq->reg_lock);
1714         return change;
1715 }
1716
1717 /*
1718  * ENS1370 mixer
1719  */
1720
1721 static struct snd_kcontrol_new snd_es1370_controls[2] __devinitdata = {
1722 ENSONIQ_CONTROL("PCM 0 Output also on Line-In Jack", ES_1370_XCTL0),
1723 ENSONIQ_CONTROL("Mic +5V bias", ES_1370_XCTL1)
1724 };
1725
1726 #define ES1370_CONTROLS ARRAY_SIZE(snd_es1370_controls)
1727
1728 static void snd_ensoniq_mixer_free_ak4531(struct snd_ak4531 *ak4531)
1729 {
1730         struct ensoniq *ensoniq = ak4531->private_data;
1731         ensoniq->u.es1370.ak4531 = NULL;
1732 }
1733
1734 static int __devinit snd_ensoniq_1370_mixer(struct ensoniq * ensoniq)
1735 {
1736         struct snd_card *card = ensoniq->card;
1737         struct snd_ak4531 ak4531;
1738         unsigned int idx;
1739         int err;
1740
1741         /* try reset AK4531 */
1742         outw(ES_1370_CODEC_WRITE(AK4531_RESET, 0x02), ES_REG(ensoniq, 1370_CODEC));
1743         inw(ES_REG(ensoniq, 1370_CODEC));
1744         udelay(100);
1745         outw(ES_1370_CODEC_WRITE(AK4531_RESET, 0x03), ES_REG(ensoniq, 1370_CODEC));
1746         inw(ES_REG(ensoniq, 1370_CODEC));
1747         udelay(100);
1748
1749         memset(&ak4531, 0, sizeof(ak4531));
1750         ak4531.write = snd_es1370_codec_write;
1751         ak4531.private_data = ensoniq;
1752         ak4531.private_free = snd_ensoniq_mixer_free_ak4531;
1753         if ((err = snd_ak4531_mixer(card, &ak4531, &ensoniq->u.es1370.ak4531)) < 0)
1754                 return err;
1755         for (idx = 0; idx < ES1370_CONTROLS; idx++) {
1756                 err = snd_ctl_add(card, snd_ctl_new1(&snd_es1370_controls[idx], ensoniq));
1757                 if (err < 0)
1758                         return err;
1759         }
1760         return 0;
1761 }
1762
1763 #endif /* CHIP1370 */
1764
1765 #ifdef SUPPORT_JOYSTICK
1766
1767 #ifdef CHIP1371
1768 static int __devinit snd_ensoniq_get_joystick_port(int dev)
1769 {
1770         switch (joystick_port[dev]) {
1771         case 0: /* disabled */
1772         case 1: /* auto-detect */
1773         case 0x200:
1774         case 0x208:
1775         case 0x210:
1776         case 0x218:
1777                 return joystick_port[dev];
1778
1779         default:
1780                 printk(KERN_ERR "ens1371: invalid joystick port %#x", joystick_port[dev]);
1781                 return 0;
1782         }
1783 }
1784 #else
1785 static inline int snd_ensoniq_get_joystick_port(int dev)
1786 {
1787         return joystick[dev] ? 0x200 : 0;
1788 }
1789 #endif
1790
1791 static int __devinit snd_ensoniq_create_gameport(struct ensoniq *ensoniq, int dev)
1792 {
1793         struct gameport *gp;
1794         int io_port;
1795
1796         io_port = snd_ensoniq_get_joystick_port(dev);
1797
1798         switch (io_port) {
1799         case 0:
1800                 return -ENOSYS;
1801
1802         case 1: /* auto_detect */
1803                 for (io_port = 0x200; io_port <= 0x218; io_port += 8)
1804                         if (request_region(io_port, 8, "ens137x: gameport"))
1805                                 break;
1806                 if (io_port > 0x218) {
1807                         printk(KERN_WARNING "ens137x: no gameport ports available\n");
1808                         return -EBUSY;
1809                 }
1810                 break;
1811
1812         default:
1813                 if (!request_region(io_port, 8, "ens137x: gameport")) {
1814                         printk(KERN_WARNING "ens137x: gameport io port 0x%#x in use\n",
1815                                io_port);
1816                         return -EBUSY;
1817                 }
1818                 break;
1819         }
1820
1821         ensoniq->gameport = gp = gameport_allocate_port();
1822         if (!gp) {
1823                 printk(KERN_ERR "ens137x: cannot allocate memory for gameport\n");
1824                 release_region(io_port, 8);
1825                 return -ENOMEM;
1826         }
1827
1828         gameport_set_name(gp, "ES137x");
1829         gameport_set_phys(gp, "pci%s/gameport0", pci_name(ensoniq->pci));
1830         gameport_set_dev_parent(gp, &ensoniq->pci->dev);
1831         gp->io = io_port;
1832
1833         ensoniq->ctrl |= ES_JYSTK_EN;
1834 #ifdef CHIP1371
1835         ensoniq->ctrl &= ~ES_1371_JOY_ASELM;
1836         ensoniq->ctrl |= ES_1371_JOY_ASEL((io_port - 0x200) / 8);
1837 #endif
1838         outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1839
1840         gameport_register_port(ensoniq->gameport);
1841
1842         return 0;
1843 }
1844
1845 static void snd_ensoniq_free_gameport(struct ensoniq *ensoniq)
1846 {
1847         if (ensoniq->gameport) {
1848                 int port = ensoniq->gameport->io;
1849
1850                 gameport_unregister_port(ensoniq->gameport);
1851                 ensoniq->gameport = NULL;
1852                 ensoniq->ctrl &= ~ES_JYSTK_EN;
1853                 outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1854                 release_region(port, 8);
1855         }
1856 }
1857 #else
1858 static inline int snd_ensoniq_create_gameport(struct ensoniq *ensoniq, long port) { return -ENOSYS; }
1859 static inline void snd_ensoniq_free_gameport(struct ensoniq *ensoniq) { }
1860 #endif /* SUPPORT_JOYSTICK */
1861
1862 /*
1863
1864  */
1865
1866 static void snd_ensoniq_proc_read(struct snd_info_entry *entry,
1867                                   struct snd_info_buffer *buffer)
1868 {
1869         struct ensoniq *ensoniq = entry->private_data;
1870
1871 #ifdef CHIP1370
1872         snd_iprintf(buffer, "Ensoniq AudioPCI ES1370\n\n");
1873 #else
1874         snd_iprintf(buffer, "Ensoniq AudioPCI ES1371\n\n");
1875 #endif
1876         snd_iprintf(buffer, "Joystick enable  : %s\n",
1877                     ensoniq->ctrl & ES_JYSTK_EN ? "on" : "off");
1878 #ifdef CHIP1370
1879         snd_iprintf(buffer, "MIC +5V bias     : %s\n",
1880                     ensoniq->ctrl & ES_1370_XCTL1 ? "on" : "off");
1881         snd_iprintf(buffer, "Line In to AOUT  : %s\n",
1882                     ensoniq->ctrl & ES_1370_XCTL0 ? "on" : "off");
1883 #else
1884         snd_iprintf(buffer, "Joystick port    : 0x%x\n",
1885                     (ES_1371_JOY_ASELI(ensoniq->ctrl) * 8) + 0x200);
1886 #endif
1887 }
1888
1889 static void __devinit snd_ensoniq_proc_init(struct ensoniq * ensoniq)
1890 {
1891         struct snd_info_entry *entry;
1892
1893         if (! snd_card_proc_new(ensoniq->card, "audiopci", &entry))
1894                 snd_info_set_text_ops(entry, ensoniq, snd_ensoniq_proc_read);
1895 }
1896
1897 /*
1898
1899  */
1900
1901 static int snd_ensoniq_free(struct ensoniq *ensoniq)
1902 {
1903         snd_ensoniq_free_gameport(ensoniq);
1904         if (ensoniq->irq < 0)
1905                 goto __hw_end;
1906 #ifdef CHIP1370
1907         outl(ES_1370_SERR_DISABLE, ES_REG(ensoniq, CONTROL));   /* switch everything off */
1908         outl(0, ES_REG(ensoniq, SERIAL));       /* clear serial interface */
1909 #else
1910         outl(0, ES_REG(ensoniq, CONTROL));      /* switch everything off */
1911         outl(0, ES_REG(ensoniq, SERIAL));       /* clear serial interface */
1912 #endif
1913         synchronize_irq(ensoniq->irq);
1914         pci_set_power_state(ensoniq->pci, 3);
1915       __hw_end:
1916 #ifdef CHIP1370
1917         if (ensoniq->dma_bug.area)
1918                 snd_dma_free_pages(&ensoniq->dma_bug);
1919 #endif
1920         if (ensoniq->irq >= 0)
1921                 free_irq(ensoniq->irq, ensoniq);
1922         pci_release_regions(ensoniq->pci);
1923         pci_disable_device(ensoniq->pci);
1924         kfree(ensoniq);
1925         return 0;
1926 }
1927
1928 static int snd_ensoniq_dev_free(struct snd_device *device)
1929 {
1930         struct ensoniq *ensoniq = device->device_data;
1931         return snd_ensoniq_free(ensoniq);
1932 }
1933
1934 #ifdef CHIP1371
1935 static struct snd_pci_quirk es1371_amplifier_hack[] __devinitdata = {
1936         SND_PCI_QUIRK_ID(0x107b, 0x2150),       /* Gateway Solo 2150 */
1937         SND_PCI_QUIRK_ID(0x13bd, 0x100c),       /* EV1938 on Mebius PC-MJ100V */
1938         SND_PCI_QUIRK_ID(0x1102, 0x5938),       /* Targa Xtender300 */
1939         SND_PCI_QUIRK_ID(0x1102, 0x8938),       /* IPC Topnote G notebook */
1940         { } /* end */
1941 };
1942
1943 static struct es1371_quirk es1371_ac97_reset_hack[] = {
1944         { .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_C },
1945         { .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_D },
1946         { .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_CT5880, .rev = CT5880REV_CT5880_E },
1947         { .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_ES1371, .rev = ES1371REV_CT5880_A },
1948         { .vid = PCI_VENDOR_ID_ENSONIQ, .did = PCI_DEVICE_ID_ENSONIQ_ES1371, .rev = ES1371REV_ES1373_8 },
1949         { .vid = PCI_ANY_ID, .did = PCI_ANY_ID }
1950 };
1951 #endif
1952
1953 static void snd_ensoniq_chip_init(struct ensoniq *ensoniq)
1954 {
1955 #ifdef CHIP1371
1956         int idx;
1957 #endif
1958         /* this code was part of snd_ensoniq_create before intruduction
1959           * of suspend/resume
1960           */
1961 #ifdef CHIP1370
1962         outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1963         outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
1964         outl(ES_MEM_PAGEO(ES_PAGE_ADC), ES_REG(ensoniq, MEM_PAGE));
1965         outl(ensoniq->dma_bug.addr, ES_REG(ensoniq, PHANTOM_FRAME));
1966         outl(0, ES_REG(ensoniq, PHANTOM_COUNT));
1967 #else
1968         outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1969         outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
1970         outl(0, ES_REG(ensoniq, 1371_LEGACY));
1971         if (es1371_quirk_lookup(ensoniq, es1371_ac97_reset_hack)) {
1972             outl(ensoniq->cssr, ES_REG(ensoniq, STATUS));
1973             /* need to delay around 20ms(bleech) to give
1974                some CODECs enough time to wakeup */
1975             msleep(20);
1976         }
1977         /* AC'97 warm reset to start the bitclk */
1978         outl(ensoniq->ctrl | ES_1371_SYNC_RES, ES_REG(ensoniq, CONTROL));
1979         inl(ES_REG(ensoniq, CONTROL));
1980         udelay(20);
1981         outl(ensoniq->ctrl, ES_REG(ensoniq, CONTROL));
1982         /* Init the sample rate converter */
1983         snd_es1371_wait_src_ready(ensoniq);
1984         outl(ES_1371_SRC_DISABLE, ES_REG(ensoniq, 1371_SMPRATE));
1985         for (idx = 0; idx < 0x80; idx++)
1986                 snd_es1371_src_write(ensoniq, idx, 0);
1987         snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_TRUNC_N, 16 << 4);
1988         snd_es1371_src_write(ensoniq, ES_SMPREG_DAC1 + ES_SMPREG_INT_REGS, 16 << 10);
1989         snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_TRUNC_N, 16 << 4);
1990         snd_es1371_src_write(ensoniq, ES_SMPREG_DAC2 + ES_SMPREG_INT_REGS, 16 << 10);
1991         snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC, 1 << 12);
1992         snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_ADC + 1, 1 << 12);
1993         snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC1, 1 << 12);
1994         snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC1 + 1, 1 << 12);
1995         snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC2, 1 << 12);
1996         snd_es1371_src_write(ensoniq, ES_SMPREG_VOL_DAC2 + 1, 1 << 12);
1997         snd_es1371_adc_rate(ensoniq, 22050);
1998         snd_es1371_dac1_rate(ensoniq, 22050);
1999         snd_es1371_dac2_rate(ensoniq, 22050);
2000         /* WARNING:
2001          * enabling the sample rate converter without properly programming
2002          * its parameters causes the chip to lock up (the SRC busy bit will
2003          * be stuck high, and I've found no way to rectify this other than
2004          * power cycle) - Thomas Sailer
2005          */
2006         snd_es1371_wait_src_ready(ensoniq);
2007         outl(0, ES_REG(ensoniq, 1371_SMPRATE));
2008         /* try reset codec directly */
2009         outl(ES_1371_CODEC_WRITE(0, 0), ES_REG(ensoniq, 1371_CODEC));
2010 #endif
2011         outb(ensoniq->uartc = 0x00, ES_REG(ensoniq, UART_CONTROL));
2012         outb(0x00, ES_REG(ensoniq, UART_RES));
2013         outl(ensoniq->cssr, ES_REG(ensoniq, STATUS));
2014         synchronize_irq(ensoniq->irq);
2015 }
2016
2017 #ifdef CONFIG_PM
2018 static int snd_ensoniq_suspend(struct pci_dev *pci, pm_message_t state)
2019 {
2020         struct snd_card *card = pci_get_drvdata(pci);
2021         struct ensoniq *ensoniq = card->private_data;
2022
2023         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2024
2025         snd_pcm_suspend_all(ensoniq->pcm1);
2026         snd_pcm_suspend_all(ensoniq->pcm2);
2027
2028 #ifdef CHIP1371
2029         snd_ac97_suspend(ensoniq->u.es1371.ac97);
2030 #else
2031         /* try to reset AK4531 */
2032         outw(ES_1370_CODEC_WRITE(AK4531_RESET, 0x02), ES_REG(ensoniq, 1370_CODEC));
2033         inw(ES_REG(ensoniq, 1370_CODEC));
2034         udelay(100);
2035         outw(ES_1370_CODEC_WRITE(AK4531_RESET, 0x03), ES_REG(ensoniq, 1370_CODEC));
2036         inw(ES_REG(ensoniq, 1370_CODEC));
2037         udelay(100);
2038         snd_ak4531_suspend(ensoniq->u.es1370.ak4531);
2039 #endif
2040
2041         pci_disable_device(pci);
2042         pci_save_state(pci);
2043         pci_set_power_state(pci, pci_choose_state(pci, state));
2044         return 0;
2045 }
2046
2047 static int snd_ensoniq_resume(struct pci_dev *pci)
2048 {
2049         struct snd_card *card = pci_get_drvdata(pci);
2050         struct ensoniq *ensoniq = card->private_data;
2051
2052         pci_set_power_state(pci, PCI_D0);
2053         pci_restore_state(pci);
2054         if (pci_enable_device(pci) < 0) {
2055                 printk(KERN_ERR DRIVER_NAME ": pci_enable_device failed, "
2056                        "disabling device\n");
2057                 snd_card_disconnect(card);
2058                 return -EIO;
2059         }
2060         pci_set_master(pci);
2061
2062         snd_ensoniq_chip_init(ensoniq);
2063
2064 #ifdef CHIP1371
2065         snd_ac97_resume(ensoniq->u.es1371.ac97);
2066 #else
2067         snd_ak4531_resume(ensoniq->u.es1370.ak4531);
2068 #endif
2069         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2070         return 0;
2071 }
2072 #endif /* CONFIG_PM */
2073
2074
2075 static int __devinit snd_ensoniq_create(struct snd_card *card,
2076                                      struct pci_dev *pci,
2077                                      struct ensoniq ** rensoniq)
2078 {
2079         struct ensoniq *ensoniq;
2080         int err;
2081         static struct snd_device_ops ops = {
2082                 .dev_free =     snd_ensoniq_dev_free,
2083         };
2084
2085         *rensoniq = NULL;
2086         if ((err = pci_enable_device(pci)) < 0)
2087                 return err;
2088         ensoniq = kzalloc(sizeof(*ensoniq), GFP_KERNEL);
2089         if (ensoniq == NULL) {
2090                 pci_disable_device(pci);
2091                 return -ENOMEM;
2092         }
2093         spin_lock_init(&ensoniq->reg_lock);
2094         mutex_init(&ensoniq->src_mutex);
2095         ensoniq->card = card;
2096         ensoniq->pci = pci;
2097         ensoniq->irq = -1;
2098         if ((err = pci_request_regions(pci, "Ensoniq AudioPCI")) < 0) {
2099                 kfree(ensoniq);
2100                 pci_disable_device(pci);
2101                 return err;
2102         }
2103         ensoniq->port = pci_resource_start(pci, 0);
2104         if (request_irq(pci->irq, snd_audiopci_interrupt, IRQF_SHARED,
2105                         "Ensoniq AudioPCI", ensoniq)) {
2106                 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
2107                 snd_ensoniq_free(ensoniq);
2108                 return -EBUSY;
2109         }
2110         ensoniq->irq = pci->irq;
2111 #ifdef CHIP1370
2112         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2113                                 16, &ensoniq->dma_bug) < 0) {
2114                 snd_printk(KERN_ERR "unable to allocate space for phantom area - dma_bug\n");
2115                 snd_ensoniq_free(ensoniq);
2116                 return -EBUSY;
2117         }
2118 #endif
2119         pci_set_master(pci);
2120         ensoniq->rev = pci->revision;
2121 #ifdef CHIP1370
2122 #if 0
2123         ensoniq->ctrl = ES_1370_CDC_EN | ES_1370_SERR_DISABLE |
2124                 ES_1370_PCLKDIVO(ES_1370_SRTODIV(8000));
2125 #else   /* get microphone working */
2126         ensoniq->ctrl = ES_1370_CDC_EN | ES_1370_PCLKDIVO(ES_1370_SRTODIV(8000));
2127 #endif
2128         ensoniq->sctrl = 0;
2129 #else
2130         ensoniq->ctrl = 0;
2131         ensoniq->sctrl = 0;
2132         ensoniq->cssr = 0;
2133         if (snd_pci_quirk_lookup(pci, es1371_amplifier_hack))
2134                 ensoniq->ctrl |= ES_1371_GPIO_OUT(1);   /* turn amplifier on */
2135
2136         if (es1371_quirk_lookup(ensoniq, es1371_ac97_reset_hack))
2137                 ensoniq->cssr |= ES_1371_ST_AC97_RST;
2138 #endif
2139
2140         snd_ensoniq_chip_init(ensoniq);
2141
2142         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ensoniq, &ops)) < 0) {
2143                 snd_ensoniq_free(ensoniq);
2144                 return err;
2145         }
2146
2147         snd_ensoniq_proc_init(ensoniq);
2148
2149         snd_card_set_dev(card, &pci->dev);
2150
2151         *rensoniq = ensoniq;
2152         return 0;
2153 }
2154
2155 /*
2156  *  MIDI section
2157  */
2158
2159 static void snd_ensoniq_midi_interrupt(struct ensoniq * ensoniq)
2160 {
2161         struct snd_rawmidi *rmidi = ensoniq->rmidi;
2162         unsigned char status, mask, byte;
2163
2164         if (rmidi == NULL)
2165                 return;
2166         /* do Rx at first */
2167         spin_lock(&ensoniq->reg_lock);
2168         mask = ensoniq->uartm & ES_MODE_INPUT ? ES_RXRDY : 0;
2169         while (mask) {
2170                 status = inb(ES_REG(ensoniq, UART_STATUS));
2171                 if ((status & mask) == 0)
2172                         break;
2173                 byte = inb(ES_REG(ensoniq, UART_DATA));
2174                 snd_rawmidi_receive(ensoniq->midi_input, &byte, 1);
2175         }
2176         spin_unlock(&ensoniq->reg_lock);
2177
2178         /* do Tx at second */
2179         spin_lock(&ensoniq->reg_lock);
2180         mask = ensoniq->uartm & ES_MODE_OUTPUT ? ES_TXRDY : 0;
2181         while (mask) {
2182                 status = inb(ES_REG(ensoniq, UART_STATUS));
2183                 if ((status & mask) == 0)
2184                         break;
2185                 if (snd_rawmidi_transmit(ensoniq->midi_output, &byte, 1) != 1) {
2186                         ensoniq->uartc &= ~ES_TXINTENM;
2187                         outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2188                         mask &= ~ES_TXRDY;
2189                 } else {
2190                         outb(byte, ES_REG(ensoniq, UART_DATA));
2191                 }
2192         }
2193         spin_unlock(&ensoniq->reg_lock);
2194 }
2195
2196 static int snd_ensoniq_midi_input_open(struct snd_rawmidi_substream *substream)
2197 {
2198         struct ensoniq *ensoniq = substream->rmidi->private_data;
2199
2200         spin_lock_irq(&ensoniq->reg_lock);
2201         ensoniq->uartm |= ES_MODE_INPUT;
2202         ensoniq->midi_input = substream;
2203         if (!(ensoniq->uartm & ES_MODE_OUTPUT)) {
2204                 outb(ES_CNTRL(3), ES_REG(ensoniq, UART_CONTROL));
2205                 outb(ensoniq->uartc = 0, ES_REG(ensoniq, UART_CONTROL));
2206                 outl(ensoniq->ctrl |= ES_UART_EN, ES_REG(ensoniq, CONTROL));
2207         }
2208         spin_unlock_irq(&ensoniq->reg_lock);
2209         return 0;
2210 }
2211
2212 static int snd_ensoniq_midi_input_close(struct snd_rawmidi_substream *substream)
2213 {
2214         struct ensoniq *ensoniq = substream->rmidi->private_data;
2215
2216         spin_lock_irq(&ensoniq->reg_lock);
2217         if (!(ensoniq->uartm & ES_MODE_OUTPUT)) {
2218                 outb(ensoniq->uartc = 0, ES_REG(ensoniq, UART_CONTROL));
2219                 outl(ensoniq->ctrl &= ~ES_UART_EN, ES_REG(ensoniq, CONTROL));
2220         } else {
2221                 outb(ensoniq->uartc &= ~ES_RXINTEN, ES_REG(ensoniq, UART_CONTROL));
2222         }
2223         ensoniq->midi_input = NULL;
2224         ensoniq->uartm &= ~ES_MODE_INPUT;
2225         spin_unlock_irq(&ensoniq->reg_lock);
2226         return 0;
2227 }
2228
2229 static int snd_ensoniq_midi_output_open(struct snd_rawmidi_substream *substream)
2230 {
2231         struct ensoniq *ensoniq = substream->rmidi->private_data;
2232
2233         spin_lock_irq(&ensoniq->reg_lock);
2234         ensoniq->uartm |= ES_MODE_OUTPUT;
2235         ensoniq->midi_output = substream;
2236         if (!(ensoniq->uartm & ES_MODE_INPUT)) {
2237                 outb(ES_CNTRL(3), ES_REG(ensoniq, UART_CONTROL));
2238                 outb(ensoniq->uartc = 0, ES_REG(ensoniq, UART_CONTROL));
2239                 outl(ensoniq->ctrl |= ES_UART_EN, ES_REG(ensoniq, CONTROL));
2240         }
2241         spin_unlock_irq(&ensoniq->reg_lock);
2242         return 0;
2243 }
2244
2245 static int snd_ensoniq_midi_output_close(struct snd_rawmidi_substream *substream)
2246 {
2247         struct ensoniq *ensoniq = substream->rmidi->private_data;
2248
2249         spin_lock_irq(&ensoniq->reg_lock);
2250         if (!(ensoniq->uartm & ES_MODE_INPUT)) {
2251                 outb(ensoniq->uartc = 0, ES_REG(ensoniq, UART_CONTROL));
2252                 outl(ensoniq->ctrl &= ~ES_UART_EN, ES_REG(ensoniq, CONTROL));
2253         } else {
2254                 outb(ensoniq->uartc &= ~ES_TXINTENM, ES_REG(ensoniq, UART_CONTROL));
2255         }
2256         ensoniq->midi_output = NULL;
2257         ensoniq->uartm &= ~ES_MODE_OUTPUT;
2258         spin_unlock_irq(&ensoniq->reg_lock);
2259         return 0;
2260 }
2261
2262 static void snd_ensoniq_midi_input_trigger(struct snd_rawmidi_substream *substream, int up)
2263 {
2264         unsigned long flags;
2265         struct ensoniq *ensoniq = substream->rmidi->private_data;
2266         int idx;
2267
2268         spin_lock_irqsave(&ensoniq->reg_lock, flags);
2269         if (up) {
2270                 if ((ensoniq->uartc & ES_RXINTEN) == 0) {
2271                         /* empty input FIFO */
2272                         for (idx = 0; idx < 32; idx++)
2273                                 inb(ES_REG(ensoniq, UART_DATA));
2274                         ensoniq->uartc |= ES_RXINTEN;
2275                         outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2276                 }
2277         } else {
2278                 if (ensoniq->uartc & ES_RXINTEN) {
2279                         ensoniq->uartc &= ~ES_RXINTEN;
2280                         outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2281                 }
2282         }
2283         spin_unlock_irqrestore(&ensoniq->reg_lock, flags);
2284 }
2285
2286 static void snd_ensoniq_midi_output_trigger(struct snd_rawmidi_substream *substream, int up)
2287 {
2288         unsigned long flags;
2289         struct ensoniq *ensoniq = substream->rmidi->private_data;
2290         unsigned char byte;
2291
2292         spin_lock_irqsave(&ensoniq->reg_lock, flags);
2293         if (up) {
2294                 if (ES_TXINTENI(ensoniq->uartc) == 0) {
2295                         ensoniq->uartc |= ES_TXINTENO(1);
2296                         /* fill UART FIFO buffer at first, and turn Tx interrupts only if necessary */
2297                         while (ES_TXINTENI(ensoniq->uartc) == 1 &&
2298                                (inb(ES_REG(ensoniq, UART_STATUS)) & ES_TXRDY)) {
2299                                 if (snd_rawmidi_transmit(substream, &byte, 1) != 1) {
2300                                         ensoniq->uartc &= ~ES_TXINTENM;
2301                                 } else {
2302                                         outb(byte, ES_REG(ensoniq, UART_DATA));
2303                                 }
2304                         }
2305                         outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2306                 }
2307         } else {
2308                 if (ES_TXINTENI(ensoniq->uartc) == 1) {
2309                         ensoniq->uartc &= ~ES_TXINTENM;
2310                         outb(ensoniq->uartc, ES_REG(ensoniq, UART_CONTROL));
2311                 }
2312         }
2313         spin_unlock_irqrestore(&ensoniq->reg_lock, flags);
2314 }
2315
2316 static struct snd_rawmidi_ops snd_ensoniq_midi_output =
2317 {
2318         .open =         snd_ensoniq_midi_output_open,
2319         .close =        snd_ensoniq_midi_output_close,
2320         .trigger =      snd_ensoniq_midi_output_trigger,
2321 };
2322
2323 static struct snd_rawmidi_ops snd_ensoniq_midi_input =
2324 {
2325         .open =         snd_ensoniq_midi_input_open,
2326         .close =        snd_ensoniq_midi_input_close,
2327         .trigger =      snd_ensoniq_midi_input_trigger,
2328 };
2329
2330 static int __devinit snd_ensoniq_midi(struct ensoniq * ensoniq, int device,
2331                                       struct snd_rawmidi **rrawmidi)
2332 {
2333         struct snd_rawmidi *rmidi;
2334         int err;
2335
2336         if (rrawmidi)
2337                 *rrawmidi = NULL;
2338         if ((err = snd_rawmidi_new(ensoniq->card, "ES1370/1", device, 1, 1, &rmidi)) < 0)
2339                 return err;
2340 #ifdef CHIP1370
2341         strcpy(rmidi->name, "ES1370");
2342 #else
2343         strcpy(rmidi->name, "ES1371");
2344 #endif
2345         snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_ensoniq_midi_output);
2346         snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_ensoniq_midi_input);
2347         rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT | SNDRV_RAWMIDI_INFO_INPUT |
2348                 SNDRV_RAWMIDI_INFO_DUPLEX;
2349         rmidi->private_data = ensoniq;
2350         ensoniq->rmidi = rmidi;
2351         if (rrawmidi)
2352                 *rrawmidi = rmidi;
2353         return 0;
2354 }
2355
2356 /*
2357  *  Interrupt handler
2358  */
2359
2360 static irqreturn_t snd_audiopci_interrupt(int irq, void *dev_id)
2361 {
2362         struct ensoniq *ensoniq = dev_id;
2363         unsigned int status, sctrl;
2364
2365         if (ensoniq == NULL)
2366                 return IRQ_NONE;
2367
2368         status = inl(ES_REG(ensoniq, STATUS));
2369         if (!(status & ES_INTR))
2370                 return IRQ_NONE;
2371
2372         spin_lock(&ensoniq->reg_lock);
2373         sctrl = ensoniq->sctrl;
2374         if (status & ES_DAC1)
2375                 sctrl &= ~ES_P1_INT_EN;
2376         if (status & ES_DAC2)
2377                 sctrl &= ~ES_P2_INT_EN;
2378         if (status & ES_ADC)
2379                 sctrl &= ~ES_R1_INT_EN;
2380         outl(sctrl, ES_REG(ensoniq, SERIAL));
2381         outl(ensoniq->sctrl, ES_REG(ensoniq, SERIAL));
2382         spin_unlock(&ensoniq->reg_lock);
2383
2384         if (status & ES_UART)
2385                 snd_ensoniq_midi_interrupt(ensoniq);
2386         if ((status & ES_DAC2) && ensoniq->playback2_substream)
2387                 snd_pcm_period_elapsed(ensoniq->playback2_substream);
2388         if ((status & ES_ADC) && ensoniq->capture_substream)
2389                 snd_pcm_period_elapsed(ensoniq->capture_substream);
2390         if ((status & ES_DAC1) && ensoniq->playback1_substream)
2391                 snd_pcm_period_elapsed(ensoniq->playback1_substream);
2392         return IRQ_HANDLED;
2393 }
2394
2395 static int __devinit snd_audiopci_probe(struct pci_dev *pci,
2396                                         const struct pci_device_id *pci_id)
2397 {
2398         static int dev;
2399         struct snd_card *card;
2400         struct ensoniq *ensoniq;
2401         int err, pcm_devs[2];
2402
2403         if (dev >= SNDRV_CARDS)
2404                 return -ENODEV;
2405         if (!enable[dev]) {
2406                 dev++;
2407                 return -ENOENT;
2408         }
2409
2410         card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2411         if (card == NULL)
2412                 return -ENOMEM;
2413
2414         if ((err = snd_ensoniq_create(card, pci, &ensoniq)) < 0) {
2415                 snd_card_free(card);
2416                 return err;
2417         }
2418         card->private_data = ensoniq;
2419
2420         pcm_devs[0] = 0; pcm_devs[1] = 1;
2421 #ifdef CHIP1370
2422         if ((err = snd_ensoniq_1370_mixer(ensoniq)) < 0) {
2423                 snd_card_free(card);
2424                 return err;
2425         }
2426 #endif
2427 #ifdef CHIP1371
2428         if ((err = snd_ensoniq_1371_mixer(ensoniq, spdif[dev], lineio[dev])) < 0) {
2429                 snd_card_free(card);
2430                 return err;
2431         }
2432 #endif
2433         if ((err = snd_ensoniq_pcm(ensoniq, 0, NULL)) < 0) {
2434                 snd_card_free(card);
2435                 return err;
2436         }
2437         if ((err = snd_ensoniq_pcm2(ensoniq, 1, NULL)) < 0) {
2438                 snd_card_free(card);
2439                 return err;
2440         }
2441         if ((err = snd_ensoniq_midi(ensoniq, 0, NULL)) < 0) {
2442                 snd_card_free(card);
2443                 return err;
2444         }
2445
2446         snd_ensoniq_create_gameport(ensoniq, dev);
2447
2448         strcpy(card->driver, DRIVER_NAME);
2449
2450         strcpy(card->shortname, "Ensoniq AudioPCI");
2451         sprintf(card->longname, "%s %s at 0x%lx, irq %i",
2452                 card->shortname,
2453                 card->driver,
2454                 ensoniq->port,
2455                 ensoniq->irq);
2456
2457         if ((err = snd_card_register(card)) < 0) {
2458                 snd_card_free(card);
2459                 return err;
2460         }
2461
2462         pci_set_drvdata(pci, card);
2463         dev++;
2464         return 0;
2465 }
2466
2467 static void __devexit snd_audiopci_remove(struct pci_dev *pci)
2468 {
2469         snd_card_free(pci_get_drvdata(pci));
2470         pci_set_drvdata(pci, NULL);
2471 }
2472
2473 static struct pci_driver driver = {
2474         .name = DRIVER_NAME,
2475         .id_table = snd_audiopci_ids,
2476         .probe = snd_audiopci_probe,
2477         .remove = __devexit_p(snd_audiopci_remove),
2478 #ifdef CONFIG_PM
2479         .suspend = snd_ensoniq_suspend,
2480         .resume = snd_ensoniq_resume,
2481 #endif
2482 };
2483
2484 static int __init alsa_card_ens137x_init(void)
2485 {
2486         return pci_register_driver(&driver);
2487 }
2488
2489 static void __exit alsa_card_ens137x_exit(void)
2490 {
2491         pci_unregister_driver(&driver);
2492 }
2493
2494 module_init(alsa_card_ens137x_init)
2495 module_exit(alsa_card_ens137x_exit)