sound/oss/es1370.c

   1 /*****************************************************************************/
   2
   3 /*
   4  *      es1370.c  --  Ensoniq ES1370/Asahi Kasei AK4531 audio driver.
   5  *
   6  *      Copyright (C) 1998-2001, 2003  Thomas Sailer (t.sailer@alumni.ethz.ch)
   7  *
   8  *      This program is free software; you can redistribute it and/or modify
   9  *      it under the terms of the GNU General Public License as published by
  10  *      the Free Software Foundation; either version 2 of the License, or
  11  *      (at your option) any later version.
  12  *
  13  *      This program is distributed in the hope that it will be useful,
  14  *      but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *      GNU General Public License for more details.
  17  *
  18  *      You should have received a copy of the GNU General Public License
  19  *      along with this program; if not, write to the Free Software
  20  *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21  *
  22  * Special thanks to David C. Niemi
  23  *
  24  *
  25  * Module command line parameters:
  26  *   lineout  if 1 the LINE jack is used as an output instead of an input.
  27  *            LINE then contains the unmixed dsp output. This can be used
  28  *            to make the card a four channel one: use dsp to output two
  29  *            channels to LINE and dac to output the other two channels to
  30  *            SPKR. Set the mixer to only output synth to SPKR.
  31  *   micbias  sets the +5V bias to the mic if using an electretmic.
  32  *
  33  *
  34  *  Note: sync mode is not yet supported (i.e. running dsp and dac from the same
  35  *  clock source)
  36  *
  37  *  Supported devices:
  38  *  /dev/dsp    standard /dev/dsp device, (mostly) OSS compatible
  39  *  /dev/mixer  standard /dev/mixer device, (mostly) OSS compatible
  40  *  /dev/dsp1   additional DAC, like /dev/dsp, but output only,
  41  *              only 5512, 11025, 22050 and 44100 samples/s,
  42  *              outputs to mixer "SYNTH" setting
  43  *  /dev/midi   simple MIDI UART interface, no ioctl
  44  *
  45  *  NOTE: the card does not have any FM/Wavetable synthesizer, it is supposed
  46  *  to be done in software. That is what /dev/dac is for. By now (Q2 1998)
  47  *  there are several MIDI to PCM (WAV) packages, one of them is timidity.
  48  *
  49  *  Revision history
  50  *    26.03.1998   0.1   Initial release
  51  *    31.03.1998   0.2   Fix bug in GETOSPACE
  52  *    04.04.1998   0.3   Make it work (again) under 2.0.33
  53  *                       Fix mixer write operation not returning the actual
  54  *                       settings
  55  *    05.04.1998   0.4   First attempt at using the new PCI stuff
  56  *    29.04.1998   0.5   Fix hang when ^C is pressed on amp
  57  *    07.05.1998   0.6   Don't double lock around stop_*() in *_release()
  58  *    10.05.1998   0.7   First stab at a simple midi interface (no bells&whistles)
  59  *    14.05.1998   0.8   Don't allow excessive interrupt rates
  60  *    08.06.1998   0.9   First release using Alan Cox' soundcore instead of
  61  *                       miscdevice
  62  *    05.07.1998   0.10  Fixed the driver to correctly maintin OSS style volume
  63  *                       settings (not sure if this should be standard)
  64  *                       Fixed many references: f_flags should be f_mode
  65  *                       -- Gerald Britton <gbritton@mit.edu>
  66  *    03.08.1998   0.11  Now mixer behaviour can basically be selected between
  67  *                       "OSS documented" and "OSS actual" behaviour
  68  *                       Fixed mixer table thanks to Hakan.Lennestal@lu.erisoft.se
  69  *                       On module startup, set DAC2 to 11kSPS instead of 5.5kSPS,
  70  *                       as it produces an annoying ssssh in the lower sampling rate
  71  *                       Do not include modversions.h
  72  *    22.08.1998   0.12  Mixer registers actually have 5 instead of 4 bits
  73  *                       pointed out by Itai Nahshon
  74  *    31.08.1998   0.13  Fix realplayer problems - dac.count issues
  75  *    08.10.1998   0.14  Joystick support fixed
  76  *                       -- Oliver Neukum <c188@org.chemie.uni-muenchen.de>
  77  *    10.12.1998   0.15  Fix drain_dac trying to wait on not yet initialized DMA
  78  *    16.12.1998   0.16  Don't wake up app until there are fragsize bytes to read/write
  79  *    06.01.1999   0.17  remove the silly SA_INTERRUPT flag.
  80  *                       hopefully killed the egcs section type conflict
  81  *    12.03.1999   0.18  cinfo.blocks should be reset after GETxPTR ioctl.
  82  *                       reported by Johan Maes <joma@telindus.be>
  83  *    22.03.1999   0.19  return EAGAIN instead of EBUSY when O_NONBLOCK
  84  *                       read/write cannot be executed
  85  *    07.04.1999   0.20  implemented the following ioctl's: SOUND_PCM_READ_RATE,
  86  *                       SOUND_PCM_READ_CHANNELS, SOUND_PCM_READ_BITS;
  87  *                       Alpha fixes reported by Peter Jones <pjones@redhat.com>
  88  *                       Note: joystick address handling might still be wrong on archs
  89  *                       other than i386
  90  *    10.05.1999   0.21  Added support for an electret mic for SB PCI64
  91  *                       to the Linux kernel sound driver. This mod also straighten
  92  *                       out the question marks around the mic impedance setting
  93  *                       (micz). From Kim.Berts@fisub.mail.abb.com
  94  *    11.05.1999   0.22  Implemented the IMIX call to mute recording monitor.
  95  *                       Guenter Geiger <geiger@epy.co.at>
  96  *    15.06.1999   0.23  Fix bad allocation bug.
  97  *                       Thanks to Deti Fliegl <fliegl@in.tum.de>
  98  *    28.06.1999   0.24  Add pci_set_master
  99  *    02.08.1999   0.25  Added workaround for the "phantom write" bug first
 100  *                       documented by Dave Sharpless from Anchor Games
 101  *    03.08.1999   0.26  adapt to Linus' new __setup/__initcall
 102  *                       added kernel command line option "es1370=joystick[,lineout[,micbias]]"
 103  *                       removed CONFIG_SOUND_ES1370_JOYPORT_BOOT kludge
 104  *    12.08.1999   0.27  module_init/__setup fixes
 105  *    19.08.1999   0.28  SOUND_MIXER_IMIX fixes, reported by Gianluca <gialluca@mail.tiscalinet.it>
 106  *    31.08.1999   0.29  add spin_lock_init
 107  *                       replaced current->state = x with set_current_state(x)
 108  *    03.09.1999   0.30  change read semantics for MIDI to match
 109  *                       OSS more closely; remove possible wakeup race
 110  *    28.10.1999   0.31  More waitqueue races fixed
 111  *    08.01.2000   0.32  Prevent some ioctl's from returning bad count values on underrun/overrun;
 112  *                       Tim Janik's BSE (Bedevilled Sound Engine) found this
 113  *    07.02.2000   0.33  Use pci_alloc_consistent and pci_register_driver
 114  *    21.11.2000   0.34  Initialize dma buffers in poll, otherwise poll may return a bogus mask
 115  *    12.12.2000   0.35  More dma buffer initializations, patch from
 116  *                       Tjeerd Mulder <tjeerd.mulder@fujitsu-siemens.com>
 117  *    07.01.2001   0.36  Timeout change in wrcodec as requested by Frank Klemm <pfk@fuchs.offl.uni-jena.de>
 118  *    31.01.2001   0.37  Register/Unregister gameport
 119  *                       Fix SETTRIGGER non OSS API conformity
 120  *    03.01.2003   0.38  open_mode fixes from Georg Acher <acher@in.tum.de>
 121  *
 122  * some important things missing in Ensoniq documentation:
 123  *
 124  * Experimental PCLKDIV results:  play the same waveforms on both DAC1 and DAC2
 125  * and vary PCLKDIV to obtain zero beat.
 126  *  5512sps:  254
 127  * 44100sps:   30
 128  * seems to be fs = 1411200/(PCLKDIV+2)
 129  *
 130  * should find out when curr_sample_ct is cleared and
 131  * where exactly the CCB fetches data
 132  *
 133  * The card uses a 22.5792 MHz crystal.
 134  * The LINEIN jack may be converted to an AOUT jack by
 135  * setting pin 47 (XCTL0) of the ES1370 to high.
 136  * Pin 48 (XCTL1) of the ES1370 sets the +5V bias for an electretmic
 137  *
 138  *
 139  */
 140
 141 /*****************************************************************************/
 142
 143 #include <linux/interrupt.h>
 144 #include <linux/module.h>
 145 #include <linux/string.h>
 146 #include <linux/ioport.h>
 147 #include <linux/sched.h>
 148 #include <linux/delay.h>
 149 #include <linux/sound.h>
 150 #include <linux/slab.h>
 151 #include <linux/soundcard.h>
 152 #include <linux/pci.h>
 153 #include <linux/smp_lock.h>
 154 #include <linux/init.h>
 155 #include <linux/poll.h>
 156 #include <linux/spinlock.h>
 157 #include <linux/gameport.h>
 158 #include <linux/wait.h>
 159
 160 #include <asm/io.h>
 161 #include <asm/page.h>
 162 #include <asm/uaccess.h>
 163
 164 /* --------------------------------------------------------------------- */
 165
 166 #undef OSS_DOCUMENTED_MIXER_SEMANTICS
 167 #define DBG(x) {}
 168 /*#define DBG(x) {x}*/
 169
 170 /* --------------------------------------------------------------------- */
 171
 172 #ifndef PCI_VENDOR_ID_ENSONIQ
 173 #define PCI_VENDOR_ID_ENSONIQ        0x1274
 174 #endif
 175
 176 #ifndef PCI_DEVICE_ID_ENSONIQ_ES1370
 177 #define PCI_DEVICE_ID_ENSONIQ_ES1370 0x5000
 178 #endif
 179
 180 #define ES1370_MAGIC  ((PCI_VENDOR_ID_ENSONIQ<<16)|PCI_DEVICE_ID_ENSONIQ_ES1370)
 181
 182 #define ES1370_EXTENT             0x40
 183 #define JOY_EXTENT                8
 184
 185 #define ES1370_REG_CONTROL        0x00
 186 #define ES1370_REG_STATUS         0x04
 187 #define ES1370_REG_UART_DATA      0x08
 188 #define ES1370_REG_UART_STATUS    0x09
 189 #define ES1370_REG_UART_CONTROL   0x09
 190 #define ES1370_REG_UART_TEST      0x0a
 191 #define ES1370_REG_MEMPAGE        0x0c
 192 #define ES1370_REG_CODEC          0x10
 193 #define ES1370_REG_SERIAL_CONTROL 0x20
 194 #define ES1370_REG_DAC1_SCOUNT    0x24
 195 #define ES1370_REG_DAC2_SCOUNT    0x28
 196 #define ES1370_REG_ADC_SCOUNT     0x2c
 197
 198 #define ES1370_REG_DAC1_FRAMEADR    0xc30
 199 #define ES1370_REG_DAC1_FRAMECNT    0xc34
 200 #define ES1370_REG_DAC2_FRAMEADR    0xc38
 201 #define ES1370_REG_DAC2_FRAMECNT    0xc3c
 202 #define ES1370_REG_ADC_FRAMEADR     0xd30
 203 #define ES1370_REG_ADC_FRAMECNT     0xd34
 204 #define ES1370_REG_PHANTOM_FRAMEADR 0xd38
 205 #define ES1370_REG_PHANTOM_FRAMECNT 0xd3c
 206
 207 #define ES1370_FMT_U8_MONO     0
 208 #define ES1370_FMT_U8_STEREO   1
 209 #define ES1370_FMT_S16_MONO    2
 210 #define ES1370_FMT_S16_STEREO  3
 211 #define ES1370_FMT_STEREO      1
 212 #define ES1370_FMT_S16         2
 213 #define ES1370_FMT_MASK        3
 214
 215 static const unsigned sample_size[] = { 1, 2, 2, 4 };
 216 static const unsigned sample_shift[] = { 0, 1, 1, 2 };
 217
 218 static const unsigned dac1_samplerate[] = { 5512, 11025, 22050, 44100 };
 219
 220 #define DAC2_SRTODIV(x) (((1411200+(x)/2)/(x))-2)
 221 #define DAC2_DIVTOSR(x) (1411200/((x)+2))
 222
 223 #define CTRL_ADC_STOP   0x80000000  /* 1 = ADC stopped */
 224 #define CTRL_XCTL1      0x40000000  /* electret mic bias */
 225 #define CTRL_OPEN       0x20000000  /* no function, can be read and written */
 226 #define CTRL_PCLKDIV    0x1fff0000  /* ADC/DAC2 clock divider */
 227 #define CTRL_SH_PCLKDIV 16
 228 #define CTRL_MSFMTSEL   0x00008000  /* MPEG serial data fmt: 0 = Sony, 1 = I2S */
 229 #define CTRL_M_SBB      0x00004000  /* DAC2 clock: 0 = PCLKDIV, 1 = MPEG */
 230 #define CTRL_WTSRSEL    0x00003000  /* DAC1 clock freq: 0=5512, 1=11025, 2=22050, 3=44100 */
 231 #define CTRL_SH_WTSRSEL 12
 232 #define CTRL_DAC_SYNC   0x00000800  /* 1 = DAC2 runs off DAC1 clock */
 233 #define CTRL_CCB_INTRM  0x00000400  /* 1 = CCB "voice" ints enabled */
 234 #define CTRL_M_CB       0x00000200  /* recording source: 0 = ADC, 1 = MPEG */
 235 #define CTRL_XCTL0      0x00000100  /* 0 = Line in, 1 = Line out */
 236 #define CTRL_BREQ       0x00000080  /* 1 = test mode (internal mem test) */
 237 #define CTRL_DAC1_EN    0x00000040  /* enable DAC1 */
 238 #define CTRL_DAC2_EN    0x00000020  /* enable DAC2 */
 239 #define CTRL_ADC_EN     0x00000010  /* enable ADC */
 240 #define CTRL_UART_EN    0x00000008  /* enable MIDI uart */
 241 #define CTRL_JYSTK_EN   0x00000004  /* enable Joystick port (presumably at address 0x200) */
 242 #define CTRL_CDC_EN     0x00000002  /* enable serial (CODEC) interface */
 243 #define CTRL_SERR_DIS   0x00000001  /* 1 = disable PCI SERR signal */
 244
 245 #define STAT_INTR       0x80000000  /* wired or of all interrupt bits */
 246 #define STAT_CSTAT      0x00000400  /* 1 = codec busy or codec write in progress */
 247 #define STAT_CBUSY      0x00000200  /* 1 = codec busy */
 248 #define STAT_CWRIP      0x00000100  /* 1 = codec write in progress */
 249 #define STAT_VC         0x00000060  /* CCB int source, 0=DAC1, 1=DAC2, 2=ADC, 3=undef */
 250 #define STAT_SH_VC      5
 251 #define STAT_MCCB       0x00000010  /* CCB int pending */
 252 #define STAT_UART       0x00000008  /* UART int pending */
 253 #define STAT_DAC1       0x00000004  /* DAC1 int pending */
 254 #define STAT_DAC2       0x00000002  /* DAC2 int pending */
 255 #define STAT_ADC        0x00000001  /* ADC int pending */
 256
 257 #define USTAT_RXINT     0x80        /* UART rx int pending */
 258 #define USTAT_TXINT     0x04        /* UART tx int pending */
 259 #define USTAT_TXRDY     0x02        /* UART tx ready */
 260 #define USTAT_RXRDY     0x01        /* UART rx ready */
 261
 262 #define UCTRL_RXINTEN   0x80        /* 1 = enable RX ints */
 263 #define UCTRL_TXINTEN   0x60        /* TX int enable field mask */
 264 #define UCTRL_ENA_TXINT 0x20        /* enable TX int */
 265 #define UCTRL_CNTRL     0x03        /* control field */
 266 #define UCTRL_CNTRL_SWR 0x03        /* software reset command */
 267
 268 #define SCTRL_P2ENDINC    0x00380000  /*  */
 269 #define SCTRL_SH_P2ENDINC 19
 270 #define SCTRL_P2STINC     0x00070000  /*  */
 271 #define SCTRL_SH_P2STINC  16
 272 #define SCTRL_R1LOOPSEL   0x00008000  /* 0 = loop mode */
 273 #define SCTRL_P2LOOPSEL   0x00004000  /* 0 = loop mode */
 274 #define SCTRL_P1LOOPSEL   0x00002000  /* 0 = loop mode */
 275 #define SCTRL_P2PAUSE     0x00001000  /* 1 = pause mode */
 276 #define SCTRL_P1PAUSE     0x00000800  /* 1 = pause mode */
 277 #define SCTRL_R1INTEN     0x00000400  /* enable interrupt */
 278 #define SCTRL_P2INTEN     0x00000200  /* enable interrupt */
 279 #define SCTRL_P1INTEN     0x00000100  /* enable interrupt */
 280 #define SCTRL_P1SCTRLD    0x00000080  /* reload sample count register for DAC1 */
 281 #define SCTRL_P2DACSEN    0x00000040  /* 1 = DAC2 play back last sample when disabled */
 282 #define SCTRL_R1SEB       0x00000020  /* 1 = 16bit */
 283 #define SCTRL_R1SMB       0x00000010  /* 1 = stereo */
 284 #define SCTRL_R1FMT       0x00000030  /* format mask */
 285 #define SCTRL_SH_R1FMT    4
 286 #define SCTRL_P2SEB       0x00000008  /* 1 = 16bit */
 287 #define SCTRL_P2SMB       0x00000004  /* 1 = stereo */
 288 #define SCTRL_P2FMT       0x0000000c  /* format mask */
 289 #define SCTRL_SH_P2FMT    2
 290 #define SCTRL_P1SEB       0x00000002  /* 1 = 16bit */
 291 #define SCTRL_P1SMB       0x00000001  /* 1 = stereo */
 292 #define SCTRL_P1FMT       0x00000003  /* format mask */
 293 #define SCTRL_SH_P1FMT    0
 294
 295 /* misc stuff */
 296
 297 #define FMODE_DAC         4           /* slight misuse of mode_t */
 298
 299 /* MIDI buffer sizes */
 300
 301 #define MIDIINBUF  256
 302 #define MIDIOUTBUF 256
 303
 304 #define FMODE_MIDI_SHIFT 3
 305 #define FMODE_MIDI_READ  (FMODE_READ << FMODE_MIDI_SHIFT)
 306 #define FMODE_MIDI_WRITE (FMODE_WRITE << FMODE_MIDI_SHIFT)
 307
 308 /* --------------------------------------------------------------------- */
 309
 310 struct es1370_state {
 311         /* magic */
 312         unsigned int magic;
 313
 314         /* list of es1370 devices */
 315         struct list_head devs;
 316
 317         /* the corresponding pci_dev structure */
 318         struct pci_dev *dev;
 319
 320         /* soundcore stuff */
 321         int dev_audio;
 322         int dev_mixer;
 323         int dev_dac;
 324         int dev_midi;
 325
 326         /* hardware resources */
 327         unsigned long io; /* long for SPARC */
 328         unsigned int irq;
 329
 330         /* mixer registers; there is no HW readback */
 331         struct {
 332                 unsigned short vol[10];
 333                 unsigned int recsrc;
 334                 unsigned int modcnt;
 335                 unsigned short micpreamp;
 336                 unsigned int imix;
 337         } mix;
 338
 339         /* wave stuff */
 340         unsigned ctrl;
 341         unsigned sctrl;
 342
 343         spinlock_t lock;
 344         struct semaphore open_sem;
 345         mode_t open_mode;
 346         wait_queue_head_t open_wait;
 347
 348         struct dmabuf {
 349                 void *rawbuf;
 350                 dma_addr_t dmaaddr;
 351                 unsigned buforder;
 352                 unsigned numfrag;
 353                 unsigned fragshift;
 354                 unsigned hwptr, swptr;
 355                 unsigned total_bytes;
 356                 int count;
 357                 unsigned error; /* over/underrun */
 358                 wait_queue_head_t wait;
 359                 /* redundant, but makes calculations easier */
 360                 unsigned fragsize;
 361                 unsigned dmasize;
 362                 unsigned fragsamples;
 363                 /* OSS stuff */
 364                 unsigned mapped:1;
 365                 unsigned ready:1;
 366                 unsigned endcleared:1;
 367                 unsigned enabled:1;
 368                 unsigned ossfragshift;
 369                 int ossmaxfrags;
 370                 unsigned subdivision;
 371         } dma_dac1, dma_dac2, dma_adc;
 372
 373         /* The following buffer is used to point the phantom write channel to. */
 374         unsigned char *bugbuf_cpu;
 375         dma_addr_t bugbuf_dma;
 376
 377         /* midi stuff */
 378         struct {
 379                 unsigned ird, iwr, icnt;
 380                 unsigned ord, owr, ocnt;
 381                 wait_queue_head_t iwait;
 382                 wait_queue_head_t owait;
 383                 unsigned char ibuf[MIDIINBUF];
 384                 unsigned char obuf[MIDIOUTBUF];
 385         } midi;
 386
 387         struct gameport *gameport;
 388         struct semaphore sem;
 389 };
 390
 391 /* --------------------------------------------------------------------- */
 392
 393 static LIST_HEAD(devs);
 394
 395 /* --------------------------------------------------------------------- */
 396
 397 static inline unsigned ld2(unsigned int x)
 398 {
 399         unsigned r = 0;
 400
 401         if (x >= 0x10000) {
 402                 x >>= 16;
 403                 r += 16;
 404         }
 405         if (x >= 0x100) {
 406                 x >>= 8;
 407                 r += 8;
 408         }
 409         if (x >= 0x10) {
 410                 x >>= 4;
 411                 r += 4;
 412         }
 413         if (x >= 4) {
 414                 x >>= 2;
 415                 r += 2;
 416         }
 417         if (x >= 2)
 418                 r++;
 419         return r;
 420 }
 421
 422 /* --------------------------------------------------------------------- */
 423
 424 static void wrcodec(struct es1370_state *s, unsigned char idx, unsigned char data)
 425 {
 426         unsigned long tmo = jiffies + HZ/10, j;
 427
 428         do {
 429                 j = jiffies;
 430                 if (!(inl(s->io+ES1370_REG_STATUS) & STAT_CSTAT)) {
 431                         outw((((unsigned short)idx)<<8)|data, s->io+ES1370_REG_CODEC);
 432                         return;
 433                 }
 434                 schedule();
 435         } while ((signed)(tmo-j) > 0);
 436         printk(KERN_ERR "es1370: write to codec register timeout\n");
 437 }
 438
 439 /* --------------------------------------------------------------------- */
 440
 441 static inline void stop_adc(struct es1370_state *s)
 442 {
 443         unsigned long flags;
 444
 445         spin_lock_irqsave(&s->lock, flags);
 446         s->ctrl &= ~CTRL_ADC_EN;
 447         outl(s->ctrl, s->io+ES1370_REG_CONTROL);
 448         spin_unlock_irqrestore(&s->lock, flags);
 449 }
 450
 451 static inline void stop_dac1(struct es1370_state *s)
 452 {
 453         unsigned long flags;
 454
 455         spin_lock_irqsave(&s->lock, flags);
 456         s->ctrl &= ~CTRL_DAC1_EN;
 457         outl(s->ctrl, s->io+ES1370_REG_CONTROL);
 458         spin_unlock_irqrestore(&s->lock, flags);
 459 }
 460
 461 static inline void stop_dac2(struct es1370_state *s)
 462 {
 463         unsigned long flags;
 464
 465         spin_lock_irqsave(&s->lock, flags);
 466         s->ctrl &= ~CTRL_DAC2_EN;
 467         outl(s->ctrl, s->io+ES1370_REG_CONTROL);
 468         spin_unlock_irqrestore(&s->lock, flags);
 469 }
 470
 471 static void start_dac1(struct es1370_state *s)
 472 {
 473         unsigned long flags;
 474         unsigned fragremain, fshift;
 475
 476         spin_lock_irqsave(&s->lock, flags);
 477         if (!(s->ctrl & CTRL_DAC1_EN) && (s->dma_dac1.mapped || s->dma_dac1.count > 0)
 478             && s->dma_dac1.ready) {
 479                 s->ctrl |= CTRL_DAC1_EN;
 480                 s->sctrl = (s->sctrl & ~(SCTRL_P1LOOPSEL | SCTRL_P1PAUSE | SCTRL_P1SCTRLD)) | SCTRL_P1INTEN;
 481                 outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL);
 482                 fragremain = ((- s->dma_dac1.hwptr) & (s->dma_dac1.fragsize-1));
 483                 fshift = sample_shift[(s->sctrl & SCTRL_P1FMT) >> SCTRL_SH_P1FMT];
 484                 if (fragremain < 2*fshift)
 485                         fragremain = s->dma_dac1.fragsize;
 486                 outl((fragremain >> fshift) - 1, s->io+ES1370_REG_DAC1_SCOUNT);
 487                 outl(s->ctrl, s->io+ES1370_REG_CONTROL);
 488                 outl((s->dma_dac1.fragsize >> fshift) - 1, s->io+ES1370_REG_DAC1_SCOUNT);
 489         }
 490         spin_unlock_irqrestore(&s->lock, flags);
 491 }
 492
 493 static void start_dac2(struct es1370_state *s)
 494 {
 495         unsigned long flags;
 496         unsigned fragremain, fshift;
 497
 498         spin_lock_irqsave(&s->lock, flags);
 499         if (!(s->ctrl & CTRL_DAC2_EN) && (s->dma_dac2.mapped || s->dma_dac2.count > 0)
 500             && s->dma_dac2.ready) {
 501                 s->ctrl |= CTRL_DAC2_EN;
 502                 s->sctrl = (s->sctrl & ~(SCTRL_P2LOOPSEL | SCTRL_P2PAUSE | SCTRL_P2DACSEN |
 503                                          SCTRL_P2ENDINC | SCTRL_P2STINC)) | SCTRL_P2INTEN |
 504                         (((s->sctrl & SCTRL_P2FMT) ? 2 : 1) << SCTRL_SH_P2ENDINC) |
 505                         (0 << SCTRL_SH_P2STINC);
 506                 outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL);
 507                 fragremain = ((- s->dma_dac2.hwptr) & (s->dma_dac2.fragsize-1));
 508                 fshift = sample_shift[(s->sctrl & SCTRL_P2FMT) >> SCTRL_SH_P2FMT];
 509                 if (fragremain < 2*fshift)
 510                         fragremain = s->dma_dac2.fragsize;
 511                 outl((fragremain >> fshift) - 1, s->io+ES1370_REG_DAC2_SCOUNT);
 512                 outl(s->ctrl, s->io+ES1370_REG_CONTROL);
 513                 outl((s->dma_dac2.fragsize >> fshift) - 1, s->io+ES1370_REG_DAC2_SCOUNT);
 514         }
 515         spin_unlock_irqrestore(&s->lock, flags);
 516 }
 517
 518 static void start_adc(struct es1370_state *s)
 519 {
 520         unsigned long flags;
 521         unsigned fragremain, fshift;
 522
 523         spin_lock_irqsave(&s->lock, flags);
 524         if (!(s->ctrl & CTRL_ADC_EN) && (s->dma_adc.mapped || s->dma_adc.count < (signed)(s->dma_adc.dmasize - 2*s->dma_adc.fragsize))
 525             && s->dma_adc.ready) {
 526                 s->ctrl |= CTRL_ADC_EN;
 527                 s->sctrl = (s->sctrl & ~SCTRL_R1LOOPSEL) | SCTRL_R1INTEN;
 528                 outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL);
 529                 fragremain = ((- s->dma_adc.hwptr) & (s->dma_adc.fragsize-1));
 530                 fshift = sample_shift[(s->sctrl & SCTRL_R1FMT) >> SCTRL_SH_R1FMT];
 531                 if (fragremain < 2*fshift)
 532                         fragremain = s->dma_adc.fragsize;
 533                 outl((fragremain >> fshift) - 1, s->io+ES1370_REG_ADC_SCOUNT);
 534                 outl(s->ctrl, s->io+ES1370_REG_CONTROL);
 535                 outl((s->dma_adc.fragsize >> fshift) - 1, s->io+ES1370_REG_ADC_SCOUNT);
 536         }
 537         spin_unlock_irqrestore(&s->lock, flags);
 538 }
 539
 540 /* --------------------------------------------------------------------- */
 541
 542 #define DMABUF_DEFAULTORDER (17-PAGE_SHIFT)
 543 #define DMABUF_MINORDER 1
 544
 545 static inline void dealloc_dmabuf(struct es1370_state *s, struct dmabuf *db)
 546 {
 547         struct page *page, *pend;
 548
 549         if (db->rawbuf) {
 550                 /* undo marking the pages as reserved */
 551                 pend = virt_to_page(db->rawbuf + (PAGE_SIZE << db->buforder) - 1);
 552                 for (page = virt_to_page(db->rawbuf); page <= pend; page++)
 553                         ClearPageReserved(page);
 554                 pci_free_consistent(s->dev, PAGE_SIZE << db->buforder, db->rawbuf, db->dmaaddr);
 555         }
 556         db->rawbuf = NULL;
 557         db->mapped = db->ready = 0;
 558 }
 559
 560 static int prog_dmabuf(struct es1370_state *s, struct dmabuf *db, unsigned rate, unsigned fmt, unsigned reg)
 561 {
 562         int order;
 563         unsigned bytepersec;
 564         unsigned bufs;
 565         struct page *page, *pend;
 566
 567         db->hwptr = db->swptr = db->total_bytes = db->count = db->error = db->endcleared = 0;
 568         if (!db->rawbuf) {
 569                 db->ready = db->mapped = 0;
 570                 for (order = DMABUF_DEFAULTORDER; order >= DMABUF_MINORDER; order--)
 571                         if ((db->rawbuf = pci_alloc_consistent(s->dev, PAGE_SIZE << order, &db->dmaaddr)))
 572                                 break;
 573                 if (!db->rawbuf)
 574                         return -ENOMEM;
 575                 db->buforder = order;
 576                 /* now mark the pages as reserved; otherwise remap_pfn_range doesn't do what we want */
 577                 pend = virt_to_page(db->rawbuf + (PAGE_SIZE << db->buforder) - 1);
 578                 for (page = virt_to_page(db->rawbuf); page <= pend; page++)
 579                         SetPageReserved(page);
 580         }
 581         fmt &= ES1370_FMT_MASK;
 582         bytepersec = rate << sample_shift[fmt];
 583         bufs = PAGE_SIZE << db->buforder;
 584         if (db->ossfragshift) {
 585                 if ((1000 << db->ossfragshift) < bytepersec)
 586                         db->fragshift = ld2(bytepersec/1000);
 587                 else
 588                         db->fragshift = db->ossfragshift;
 589         } else {
 590                 db->fragshift = ld2(bytepersec/100/(db->subdivision ? db->subdivision : 1));
 591                 if (db->fragshift < 3)
 592                         db->fragshift = 3;
 593         }
 594         db->numfrag = bufs >> db->fragshift;
 595         while (db->numfrag < 4 && db->fragshift > 3) {
 596                 db->fragshift--;
 597                 db->numfrag = bufs >> db->fragshift;
 598         }
 599         db->fragsize = 1 << db->fragshift;
 600         if (db->ossmaxfrags >= 4 && db->ossmaxfrags < db->numfrag)
 601                 db->numfrag = db->ossmaxfrags;
 602         db->fragsamples = db->fragsize >> sample_shift[fmt];
 603         db->dmasize = db->numfrag << db->fragshift;
 604         memset(db->rawbuf, (fmt & ES1370_FMT_S16) ? 0 : 0x80, db->dmasize);
 605         outl((reg >> 8) & 15, s->io+ES1370_REG_MEMPAGE);
 606         outl(db->dmaaddr, s->io+(reg & 0xff));
 607         outl((db->dmasize >> 2)-1, s->io+((reg + 4) & 0xff));
 608         db->enabled = 1;
 609         db->ready = 1;
 610         return 0;
 611 }
 612
 613 static inline int prog_dmabuf_adc(struct es1370_state *s)
 614 {
 615         stop_adc(s);
 616         return prog_dmabuf(s, &s->dma_adc, DAC2_DIVTOSR((s->ctrl & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV),
 617                            (s->sctrl >> SCTRL_SH_R1FMT) & ES1370_FMT_MASK, ES1370_REG_ADC_FRAMEADR);
 618 }
 619
 620 static inline int prog_dmabuf_dac2(struct es1370_state *s)
 621 {
 622         stop_dac2(s);
 623         return prog_dmabuf(s, &s->dma_dac2, DAC2_DIVTOSR((s->ctrl & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV),
 624                            (s->sctrl >> SCTRL_SH_P2FMT) & ES1370_FMT_MASK, ES1370_REG_DAC2_FRAMEADR);
 625 }
 626
 627 static inline int prog_dmabuf_dac1(struct es1370_state *s)
 628 {
 629         stop_dac1(s);
 630         return prog_dmabuf(s, &s->dma_dac1, dac1_samplerate[(s->ctrl & CTRL_WTSRSEL) >> CTRL_SH_WTSRSEL],
 631                            (s->sctrl >> SCTRL_SH_P1FMT) & ES1370_FMT_MASK, ES1370_REG_DAC1_FRAMEADR);
 632 }
 633
 634 static inline unsigned get_hwptr(struct es1370_state *s, struct dmabuf *db, unsigned reg)
 635 {
 636         unsigned hwptr, diff;
 637
 638         outl((reg >> 8) & 15, s->io+ES1370_REG_MEMPAGE);
 639         hwptr = (inl(s->io+(reg & 0xff)) >> 14) & 0x3fffc;
 640         diff = (db->dmasize + hwptr - db->hwptr) % db->dmasize;
 641         db->hwptr = hwptr;
 642         return diff;
 643 }
 644
 645 static inline void clear_advance(void *buf, unsigned bsize, unsigned bptr, unsigned len, unsigned char c)
 646 {
 647         if (bptr + len > bsize) {
 648                 unsigned x = bsize - bptr;
 649                 memset(((char *)buf) + bptr, c, x);
 650                 bptr = 0;
 651                 len -= x;
 652         }
 653         memset(((char *)buf) + bptr, c, len);
 654 }
 655
 656 /* call with spinlock held! */
 657 static void es1370_update_ptr(struct es1370_state *s)
 658 {
 659         int diff;
 660
 661         /* update ADC pointer */
 662         if (s->ctrl & CTRL_ADC_EN) {
 663                 diff = get_hwptr(s, &s->dma_adc, ES1370_REG_ADC_FRAMECNT);
 664                 s->dma_adc.total_bytes += diff;
 665                 s->dma_adc.count += diff;
 666                 if (s->dma_adc.count >= (signed)s->dma_adc.fragsize)
 667                         wake_up(&s->dma_adc.wait);
 668                 if (!s->dma_adc.mapped) {
 669                         if (s->dma_adc.count > (signed)(s->dma_adc.dmasize - ((3 * s->dma_adc.fragsize) >> 1))) {
 670                                 s->ctrl &= ~CTRL_ADC_EN;
 671                                 outl(s->ctrl, s->io+ES1370_REG_CONTROL);
 672                                 s->dma_adc.error++;
 673                         }
 674                 }
 675         }
 676         /* update DAC1 pointer */
 677         if (s->ctrl & CTRL_DAC1_EN) {
 678                 diff = get_hwptr(s, &s->dma_dac1, ES1370_REG_DAC1_FRAMECNT);
 679                 s->dma_dac1.total_bytes += diff;
 680                 if (s->dma_dac1.mapped) {
 681                         s->dma_dac1.count += diff;
 682                         if (s->dma_dac1.count >= (signed)s->dma_dac1.fragsize)
 683                                 wake_up(&s->dma_dac1.wait);
 684                 } else {
 685                         s->dma_dac1.count -= diff;
 686                         if (s->dma_dac1.count <= 0) {
 687                                 s->ctrl &= ~CTRL_DAC1_EN;
 688                                 outl(s->ctrl, s->io+ES1370_REG_CONTROL);
 689                                 s->dma_dac1.error++;
 690                         } else if (s->dma_dac1.count <= (signed)s->dma_dac1.fragsize && !s->dma_dac1.endcleared) {
 691                                 clear_advance(s->dma_dac1.rawbuf, s->dma_dac1.dmasize, s->dma_dac1.swptr,
 692                                               s->dma_dac1.fragsize, (s->sctrl & SCTRL_P1SEB) ? 0 : 0x80);
 693                                 s->dma_dac1.endcleared = 1;
 694                         }
 695                         if (s->dma_dac1.count + (signed)s->dma_dac1.fragsize <= (signed)s->dma_dac1.dmasize)
 696                                 wake_up(&s->dma_dac1.wait);
 697                 }
 698         }
 699         /* update DAC2 pointer */
 700         if (s->ctrl & CTRL_DAC2_EN) {
 701                 diff = get_hwptr(s, &s->dma_dac2, ES1370_REG_DAC2_FRAMECNT);
 702                 s->dma_dac2.total_bytes += diff;
 703                 if (s->dma_dac2.mapped) {
 704                         s->dma_dac2.count += diff;
 705                         if (s->dma_dac2.count >= (signed)s->dma_dac2.fragsize)
 706                                 wake_up(&s->dma_dac2.wait);
 707                 } else {
 708                         s->dma_dac2.count -= diff;
 709                         if (s->dma_dac2.count <= 0) {
 710                                 s->ctrl &= ~CTRL_DAC2_EN;
 711                                 outl(s->ctrl, s->io+ES1370_REG_CONTROL);
 712                                 s->dma_dac2.error++;
 713                         } else if (s->dma_dac2.count <= (signed)s->dma_dac2.fragsize && !s->dma_dac2.endcleared) {
 714                                 clear_advance(s->dma_dac2.rawbuf, s->dma_dac2.dmasize, s->dma_dac2.swptr,
 715                                               s->dma_dac2.fragsize, (s->sctrl & SCTRL_P2SEB) ? 0 : 0x80);
 716                                 s->dma_dac2.endcleared = 1;
 717                         }
 718                         if (s->dma_dac2.count + (signed)s->dma_dac2.fragsize <= (signed)s->dma_dac2.dmasize)
 719                                 wake_up(&s->dma_dac2.wait);
 720                 }
 721         }
 722 }
 723
 724 /* hold spinlock for the following! */
 725 static void es1370_handle_midi(struct es1370_state *s)
 726 {
 727         unsigned char ch;
 728         int wake;
 729
 730         if (!(s->ctrl & CTRL_UART_EN))
 731                 return;
 732         wake = 0;
 733         while (inb(s->io+ES1370_REG_UART_STATUS) & USTAT_RXRDY) {
 734                 ch = inb(s->io+ES1370_REG_UART_DATA);
 735                 if (s->midi.icnt < MIDIINBUF) {
 736                         s->midi.ibuf[s->midi.iwr] = ch;
 737                         s->midi.iwr = (s->midi.iwr + 1) % MIDIINBUF;
 738                         s->midi.icnt++;
 739                 }
 740                 wake = 1;
 741         }
 742         if (wake)
 743                 wake_up(&s->midi.iwait);
 744         wake = 0;
 745         while ((inb(s->io+ES1370_REG_UART_STATUS) & USTAT_TXRDY) && s->midi.ocnt > 0) {
 746                 outb(s->midi.obuf[s->midi.ord], s->io+ES1370_REG_UART_DATA);
 747                 s->midi.ord = (s->midi.ord + 1) % MIDIOUTBUF;
 748                 s->midi.ocnt--;
 749                 if (s->midi.ocnt < MIDIOUTBUF-16)
 750                         wake = 1;
 751         }
 752         if (wake)
 753                 wake_up(&s->midi.owait);
 754         outb((s->midi.ocnt > 0) ? UCTRL_RXINTEN | UCTRL_ENA_TXINT : UCTRL_RXINTEN, s->io+ES1370_REG_UART_CONTROL);
 755 }
 756
 757 static irqreturn_t es1370_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 758 {
 759         struct es1370_state *s = (struct es1370_state *)dev_id;
 760         unsigned int intsrc, sctl;
 761
 762         /* fastpath out, to ease interrupt sharing */
 763         intsrc = inl(s->io+ES1370_REG_STATUS);
 764         if (!(intsrc & 0x80000000))
 765                 return IRQ_NONE;
 766         spin_lock(&s->lock);
 767         /* clear audio interrupts first */
 768         sctl = s->sctrl;
 769         if (intsrc & STAT_ADC)
 770                 sctl &= ~SCTRL_R1INTEN;
 771         if (intsrc & STAT_DAC1)
 772                 sctl &= ~SCTRL_P1INTEN;
 773         if (intsrc & STAT_DAC2)
 774                 sctl &= ~SCTRL_P2INTEN;
 775         outl(sctl, s->io+ES1370_REG_SERIAL_CONTROL);
 776         outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL);
 777         es1370_update_ptr(s);
 778         es1370_handle_midi(s);
 779         spin_unlock(&s->lock);
 780         return IRQ_HANDLED;
 781 }
 782
 783 /* --------------------------------------------------------------------- */
 784
 785 static const char invalid_magic[] = KERN_CRIT "es1370: invalid magic value\n";
 786
 787 #define VALIDATE_STATE(s)                         \
 788 ({                                                \
 789         if (!(s) || (s)->magic != ES1370_MAGIC) { \
 790                 printk(invalid_magic);            \
 791                 return -ENXIO;                    \
 792         }                                         \
 793 })
 794
 795 /* --------------------------------------------------------------------- */
 796
 797 static const struct {
 798         unsigned volidx:4;
 799         unsigned left:4;
 800         unsigned right:4;
 801         unsigned stereo:1;
 802         unsigned recmask:13;
 803         unsigned avail:1;
 804 } mixtable[SOUND_MIXER_NRDEVICES] = {
 805         [SOUND_MIXER_VOLUME] = { 0, 0x0, 0x1, 1, 0x0000, 1 },   /* master */
 806         [SOUND_MIXER_PCM]    = { 1, 0x2, 0x3, 1, 0x0400, 1 },   /* voice */
 807         [SOUND_MIXER_SYNTH]  = { 2, 0x4, 0x5, 1, 0x0060, 1 },   /* FM */
 808         [SOUND_MIXER_CD]     = { 3, 0x6, 0x7, 1, 0x0006, 1 },   /* CD */
 809         [SOUND_MIXER_LINE]   = { 4, 0x8, 0x9, 1, 0x0018, 1 },   /* Line */
 810         [SOUND_MIXER_LINE1]  = { 5, 0xa, 0xb, 1, 0x1800, 1 },   /* AUX */
 811         [SOUND_MIXER_LINE2]  = { 6, 0xc, 0x0, 0, 0x0100, 1 },   /* Mono1 */
 812         [SOUND_MIXER_LINE3]  = { 7, 0xd, 0x0, 0, 0x0200, 1 },   /* Mono2 */
 813         [SOUND_MIXER_MIC]    = { 8, 0xe, 0x0, 0, 0x0001, 1 },   /* Mic */
 814         [SOUND_MIXER_OGAIN]  = { 9, 0xf, 0x0, 0, 0x0000, 1 }    /* mono out */
 815 };
 816
 817 static void set_recsrc(struct es1370_state *s, unsigned int val)
 818 {
 819         unsigned int i, j;
 820
 821         for (j = i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
 822                 if (!(val & (1 << i)))
 823                         continue;
 824                 if (!mixtable[i].recmask) {
 825                         val &= ~(1 << i);
 826                         continue;
 827                 }
 828                 j |= mixtable[i].recmask;
 829         }
 830         s->mix.recsrc = val;
 831         wrcodec(s, 0x12, j & 0xd5);
 832         wrcodec(s, 0x13, j & 0xaa);
 833         wrcodec(s, 0x14, (j >> 8) & 0x17);
 834         wrcodec(s, 0x15, (j >> 8) & 0x0f);
 835         i = (j & 0x37f) | ((j << 1) & 0x3000) | 0xc60;
 836         if (!s->mix.imix) {
 837                 i &= 0xff60;  /* mute record and line monitor */
 838         }
 839         wrcodec(s, 0x10, i);
 840         wrcodec(s, 0x11, i >> 8);
 841 }
 842
 843 static int mixer_ioctl(struct es1370_state *s, unsigned int cmd, unsigned long arg)
 844 {
 845         unsigned long flags;
 846         int i, val;
 847         unsigned char l, r, rl, rr;
 848         int __user *p = (int __user *)arg;
 849
 850         VALIDATE_STATE(s);
 851         if (cmd == SOUND_MIXER_PRIVATE1) {
 852                 /* enable/disable/query mixer preamp */
 853                 if (get_user(val, p))
 854                         return -EFAULT;
 855                 if (val != -1) {
 856                         s->mix.micpreamp = !!val;
 857                         wrcodec(s, 0x19, s->mix.micpreamp);
 858                 }
 859                 return put_user(s->mix.micpreamp, p);
 860         }
 861         if (cmd == SOUND_MIXER_PRIVATE2) {
 862                 /* enable/disable/query use of linein as second lineout */
 863                 if (get_user(val, p))
 864                         return -EFAULT;
 865                 if (val != -1) {
 866                         spin_lock_irqsave(&s->lock, flags);
 867                         if (val)
 868                                 s->ctrl |= CTRL_XCTL0;
 869                         else
 870                                 s->ctrl &= ~CTRL_XCTL0;
 871                         outl(s->ctrl, s->io+ES1370_REG_CONTROL);
 872                         spin_unlock_irqrestore(&s->lock, flags);
 873                 }
 874                 return put_user((s->ctrl & CTRL_XCTL0) ? 1 : 0, p);
 875         }
 876         if (cmd == SOUND_MIXER_PRIVATE3) {
 877                 /* enable/disable/query microphone impedance setting */
 878                 if (get_user(val, p))
 879                         return -EFAULT;
 880                 if (val != -1) {
 881                         spin_lock_irqsave(&s->lock, flags);
 882                         if (val)
 883                                 s->ctrl |= CTRL_XCTL1;
 884                         else
 885                                 s->ctrl &= ~CTRL_XCTL1;
 886                         outl(s->ctrl, s->io+ES1370_REG_CONTROL);
 887                         spin_unlock_irqrestore(&s->lock, flags);
 888                 }
 889                 return put_user((s->ctrl & CTRL_XCTL1) ? 1 : 0, p);
 890         }
 891         if (cmd == SOUND_MIXER_INFO) {
 892                 mixer_info info;
 893                 strncpy(info.id, "ES1370", sizeof(info.id));
 894                 strncpy(info.name, "Ensoniq ES1370", sizeof(info.name));
 895                 info.modify_counter = s->mix.modcnt;
 896                 if (copy_to_user((void __user *)arg, &info, sizeof(info)))
 897                         return -EFAULT;
 898                 return 0;
 899         }
 900         if (cmd == SOUND_OLD_MIXER_INFO) {
 901                 _old_mixer_info info;
 902                 strncpy(info.id, "ES1370", sizeof(info.id));
 903                 strncpy(info.name, "Ensoniq ES1370", sizeof(info.name));
 904                 if (copy_to_user((void __user *)arg, &info, sizeof(info)))
 905                         return -EFAULT;
 906                 return 0;
 907         }
 908         if (cmd == OSS_GETVERSION)
 909                 return put_user(SOUND_VERSION, p);
 910         if (_IOC_TYPE(cmd) != 'M' || _SIOC_SIZE(cmd) != sizeof(int))
 911                 return -EINVAL;
 912         if (_SIOC_DIR(cmd) == _SIOC_READ) {
 913                 switch (_IOC_NR(cmd)) {
 914                 case SOUND_MIXER_RECSRC: /* Arg contains a bit for each recording source */
 915                         return put_user(s->mix.recsrc, p);
 916
 917                 case SOUND_MIXER_DEVMASK: /* Arg contains a bit for each supported device */
 918                         val = SOUND_MASK_IMIX;
 919                         for (i = 0; i < SOUND_MIXER_NRDEVICES; i++)
 920                                 if (mixtable[i].avail)
 921                                         val |= 1 << i;
 922                         return put_user(val, p);
 923
 924                 case SOUND_MIXER_RECMASK: /* Arg contains a bit for each supported recording source */
 925                         for (val = i = 0; i < SOUND_MIXER_NRDEVICES; i++)
 926                                 if (mixtable[i].recmask)
 927                                         val |= 1 << i;
 928                         return put_user(val, p);
 929
 930                 case SOUND_MIXER_STEREODEVS: /* Mixer channels supporting stereo */
 931                         for (val = i = 0; i < SOUND_MIXER_NRDEVICES; i++)
 932                                 if (mixtable[i].stereo)
 933                                         val |= 1 << i;
 934                         return put_user(val, p);
 935
 936                 case SOUND_MIXER_CAPS:
 937                         return put_user(0, p);
 938
 939                 case SOUND_MIXER_IMIX:
 940                         return put_user(s->mix.imix, p);
 941
 942                 default:
 943                         i = _IOC_NR(cmd);
 944                         if (i >= SOUND_MIXER_NRDEVICES || !mixtable[i].avail)
 945                                 return -EINVAL;
 946                         return put_user(s->mix.vol[mixtable[i].volidx], p);
 947                 }
 948         }
 949         if (_SIOC_DIR(cmd) != (_SIOC_READ|_SIOC_WRITE))
 950                 return -EINVAL;
 951         s->mix.modcnt++;
 952         switch (_IOC_NR(cmd)) {
 953
 954         case SOUND_MIXER_IMIX:
 955                 if (get_user(s->mix.imix, p))
 956                         return -EFAULT;
 957                 set_recsrc(s, s->mix.recsrc);
 958                 return 0;
 959
 960         case SOUND_MIXER_RECSRC: /* Arg contains a bit for each recording source */
 961                 if (get_user(val, p))
 962                         return -EFAULT;
 963                 set_recsrc(s, val);
 964                 return 0;
 965
 966         default:
 967                 i = _IOC_NR(cmd);
 968                 if (i >= SOUND_MIXER_NRDEVICES || !mixtable[i].avail)
 969                         return -EINVAL;
 970                 if (get_user(val, p))
 971                         return -EFAULT;
 972                 l = val & 0xff;
 973                 if (l > 100)
 974                         l = 100;
 975                 if (mixtable[i].stereo) {
 976                         r = (val >> 8) & 0xff;
 977                         if (r > 100)
 978                                 r = 100;
 979                         if (l < 7) {
 980                                 rl = 0x80;
 981                                 l = 0;
 982                         } else {
 983                                 rl = 31 - ((l - 7) / 3);
 984                                 l = (31 - rl) * 3 + 7;
 985                         }
 986                         if (r < 7) {
 987                                 rr = 0x80;
 988                                 r = 0;
 989                         } else {
 990                                 rr =  31 - ((r - 7) / 3);
 991                                 r = (31 - rr) * 3 + 7;
 992                         }
 993                         wrcodec(s, mixtable[i].right, rr);
 994                 } else {
 995                         if (mixtable[i].left == 15) {
 996                                 if (l < 2) {
 997                                         rr = rl = 0x80;
 998                                         r = l = 0;
 999                                 } else {
1000                                         rl = 7 - ((l - 2) / 14);
1001                                         r = l = (7 - rl) * 14 + 2;
1002                                 }
1003                         } else {
1004                                 if (l < 7) {
1005                                         rl = 0x80;
1006                                         r = l = 0;
1007                                 } else {
1008                                         rl = 31 - ((l - 7) / 3);
1009                                         r = l = (31 - rl) * 3 + 7;
1010                                 }
1011                         }
1012                 }
1013                 wrcodec(s, mixtable[i].left, rl);
1014 #ifdef OSS_DOCUMENTED_MIXER_SEMANTICS
1015                 s->mix.vol[mixtable[i].volidx] = ((unsigned int)r << 8) | l;
1016 #else
1017                 s->mix.vol[mixtable[i].volidx] = val;
1018 #endif
1019                 return put_user(s->mix.vol[mixtable[i].volidx], p);
1020         }
1021 }
1022
1023 /* --------------------------------------------------------------------- */
1024
1025 static int es1370_open_mixdev(struct inode *inode, struct file *file)
1026 {
1027         unsigned int minor = iminor(inode);
1028         struct list_head *list;
1029         struct es1370_state *s;
1030
1031         for (list = devs.next; ; list = list->next) {
1032                 if (list == &devs)
1033                         return -ENODEV;
1034                 s = list_entry(list, struct es1370_state, devs);
1035                 if (s->dev_mixer == minor)
1036                         break;
1037         }
1038         VALIDATE_STATE(s);
1039         file->private_data = s;
1040         return nonseekable_open(inode, file);
1041 }
1042
1043 static int es1370_release_mixdev(struct inode *inode, struct file *file)
1044 {
1045         struct es1370_state *s = (struct es1370_state *)file->private_data;
1046
1047         VALIDATE_STATE(s);
1048         return 0;
1049 }
1050
1051 static int es1370_ioctl_mixdev(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
1052 {
1053         return mixer_ioctl((struct es1370_state *)file->private_data, cmd, arg);
1054 }
1055
1056 static /*const*/ struct file_operations es1370_mixer_fops = {
1057         .owner          = THIS_MODULE,
1058         .llseek         = no_llseek,
1059         .ioctl          = es1370_ioctl_mixdev,
1060         .open           = es1370_open_mixdev,
1061         .release        = es1370_release_mixdev,
1062 };
1063
1064 /* --------------------------------------------------------------------- */
1065
1066 static int drain_dac1(struct es1370_state *s, int nonblock)
1067 {
1068         DECLARE_WAITQUEUE(wait, current);
1069         unsigned long flags;
1070         int count, tmo;
1071
1072         if (s->dma_dac1.mapped || !s->dma_dac1.ready)
1073                 return 0;
1074         add_wait_queue(&s->dma_dac1.wait, &wait);
1075         for (;;) {
1076                 __set_current_state(TASK_INTERRUPTIBLE);
1077                 spin_lock_irqsave(&s->lock, flags);
1078                 count = s->dma_dac1.count;
1079                 spin_unlock_irqrestore(&s->lock, flags);
1080                 if (count <= 0)
1081                         break;
1082                 if (signal_pending(current))
1083                         break;
1084                 if (nonblock) {
1085                         remove_wait_queue(&s->dma_dac1.wait, &wait);
1086                         set_current_state(TASK_RUNNING);
1087                         return -EBUSY;
1088                 }
1089                 tmo = 3 * HZ * (count + s->dma_dac1.fragsize) / 2
1090                         / dac1_samplerate[(s->ctrl & CTRL_WTSRSEL) >> CTRL_SH_WTSRSEL];
1091                 tmo >>= sample_shift[(s->sctrl & SCTRL_P1FMT) >> SCTRL_SH_P1FMT];
1092                 if (!schedule_timeout(tmo + 1))
1093                         DBG(printk(KERN_DEBUG "es1370: dma timed out??\n");)
1094         }
1095         remove_wait_queue(&s->dma_dac1.wait, &wait);
1096         set_current_state(TASK_RUNNING);
1097         if (signal_pending(current))
1098                 return -ERESTARTSYS;
1099         return 0;
1100 }
1101
1102 static int drain_dac2(struct es1370_state *s, int nonblock)
1103 {
1104         DECLARE_WAITQUEUE(wait, current);
1105         unsigned long flags;
1106         int count, tmo;
1107
1108         if (s->dma_dac2.mapped || !s->dma_dac2.ready)
1109                 return 0;
1110         add_wait_queue(&s->dma_dac2.wait, &wait);
1111         for (;;) {
1112                 __set_current_state(TASK_INTERRUPTIBLE);
1113                 spin_lock_irqsave(&s->lock, flags);
1114                 count = s->dma_dac2.count;
1115                 spin_unlock_irqrestore(&s->lock, flags);
1116                 if (count <= 0)
1117                         break;
1118                 if (signal_pending(current))
1119                         break;
1120                 if (nonblock) {
1121                         remove_wait_queue(&s->dma_dac2.wait, &wait);
1122                         set_current_state(TASK_RUNNING);
1123                         return -EBUSY;
1124                 }
1125                 tmo = 3 * HZ * (count + s->dma_dac2.fragsize) / 2
1126                         / DAC2_DIVTOSR((s->ctrl & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV);
1127                 tmo >>= sample_shift[(s->sctrl & SCTRL_P2FMT) >> SCTRL_SH_P2FMT];
1128                 if (!schedule_timeout(tmo + 1))
1129                         DBG(printk(KERN_DEBUG "es1370: dma timed out??\n");)
1130         }
1131         remove_wait_queue(&s->dma_dac2.wait, &wait);
1132         set_current_state(TASK_RUNNING);
1133         if (signal_pending(current))
1134                 return -ERESTARTSYS;
1135         return 0;
1136 }
1137
1138 /* --------------------------------------------------------------------- */
1139
1140 static ssize_t es1370_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos)
1141 {
1142         struct es1370_state *s = (struct es1370_state *)file->private_data;
1143         DECLARE_WAITQUEUE(wait, current);
1144         ssize_t ret = 0;
1145         unsigned long flags;
1146         unsigned swptr;
1147         int cnt;
1148
1149         VALIDATE_STATE(s);
1150         if (s->dma_adc.mapped)
1151                 return -ENXIO;
1152         if (!access_ok(VERIFY_WRITE, buffer, count))
1153                 return -EFAULT;
1154         down(&s->sem);
1155         if (!s->dma_adc.ready && (ret = prog_dmabuf_adc(s)))
1156                 goto out;
1157
1158         add_wait_queue(&s->dma_adc.wait, &wait);
1159         while (count > 0) {
1160                 spin_lock_irqsave(&s->lock, flags);
1161                 swptr = s->dma_adc.swptr;
1162                 cnt = s->dma_adc.dmasize-swptr;
1163                 if (s->dma_adc.count < cnt)
1164                         cnt = s->dma_adc.count;
1165                 if (cnt <= 0)
1166                         __set_current_state(TASK_INTERRUPTIBLE);
1167                 spin_unlock_irqrestore(&s->lock, flags);
1168                 if (cnt > count)
1169                         cnt = count;
1170                 if (cnt <= 0) {
1171                         if (s->dma_adc.enabled)
1172                                 start_adc(s);
1173                         if (file->f_flags & O_NONBLOCK) {
1174                                 if (!ret)
1175                                         ret = -EAGAIN;
1176                                 goto out;
1177                         }
1178                         up(&s->sem);
1179                         schedule();
1180                         if (signal_pending(current)) {
1181                                 if (!ret)
1182                                         ret = -ERESTARTSYS;
1183                                 goto out;
1184                         }
1185                         down(&s->sem);
1186                         if (s->dma_adc.mapped)
1187                         {
1188                                 ret = -ENXIO;
1189                                 goto out;
1190                         }
1191                         continue;
1192                 }
1193                 if (copy_to_user(buffer, s->dma_adc.rawbuf + swptr, cnt)) {
1194                         if (!ret)
1195                                 ret = -EFAULT;
1196                         goto out;
1197                 }
1198                 swptr = (swptr + cnt) % s->dma_adc.dmasize;
1199                 spin_lock_irqsave(&s->lock, flags);
1200                 s->dma_adc.swptr = swptr;
1201                 s->dma_adc.count -= cnt;
1202                 spin_unlock_irqrestore(&s->lock, flags);
1203                 count -= cnt;
1204                 buffer += cnt;
1205                 ret += cnt;
1206                 if (s->dma_adc.enabled)
1207                         start_adc(s);
1208         }
1209 out:
1210         up(&s->sem);
1211         remove_wait_queue(&s->dma_adc.wait, &wait);
1212         set_current_state(TASK_RUNNING);
1213         return ret;
1214 }
1215
1216 static ssize_t es1370_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos)
1217 {
1218         struct es1370_state *s = (struct es1370_state *)file->private_data;
1219         DECLARE_WAITQUEUE(wait, current);
1220         ssize_t ret = 0;
1221         unsigned long flags;
1222         unsigned swptr;
1223         int cnt;
1224
1225         VALIDATE_STATE(s);
1226         if (s->dma_dac2.mapped)
1227                 return -ENXIO;
1228         if (!access_ok(VERIFY_READ, buffer, count))
1229                 return -EFAULT;
1230         down(&s->sem);
1231         if (!s->dma_dac2.ready && (ret = prog_dmabuf_dac2(s)))
1232                 goto out;
1233         ret = 0;
1234         add_wait_queue(&s->dma_dac2.wait, &wait);
1235         while (count > 0) {
1236                 spin_lock_irqsave(&s->lock, flags);
1237                 if (s->dma_dac2.count < 0) {
1238                         s->dma_dac2.count = 0;
1239                         s->dma_dac2.swptr = s->dma_dac2.hwptr;
1240                 }
1241                 swptr = s->dma_dac2.swptr;
1242                 cnt = s->dma_dac2.dmasize-swptr;
1243                 if (s->dma_dac2.count + cnt > s->dma_dac2.dmasize)
1244                         cnt = s->dma_dac2.dmasize - s->dma_dac2.count;
1245                 if (cnt <= 0)
1246                         __set_current_state(TASK_INTERRUPTIBLE);
1247                 spin_unlock_irqrestore(&s->lock, flags);
1248                 if (cnt > count)
1249                         cnt = count;
1250                 if (cnt <= 0) {
1251                         if (s->dma_dac2.enabled)
1252                                 start_dac2(s);
1253                         if (file->f_flags & O_NONBLOCK) {
1254                                 if (!ret)
1255                                         ret = -EAGAIN;
1256                                 goto out;
1257                         }
1258                         up(&s->sem);
1259                         schedule();
1260                         if (signal_pending(current)) {
1261                                 if (!ret)
1262                                         ret = -ERESTARTSYS;
1263                                 goto out;
1264                         }
1265                         down(&s->sem);
1266                         if (s->dma_dac2.mapped)
1267                         {
1268                         ret = -ENXIO;
1269                         goto out;
1270                         }
1271                         continue;
1272                 }
1273                 if (copy_from_user(s->dma_dac2.rawbuf + swptr, buffer, cnt)) {
1274                         if (!ret)
1275                                 ret = -EFAULT;
1276                         goto out;
1277                 }
1278                 swptr = (swptr + cnt) % s->dma_dac2.dmasize;
1279                 spin_lock_irqsave(&s->lock, flags);
1280                 s->dma_dac2.swptr = swptr;
1281                 s->dma_dac2.count += cnt;
1282                 s->dma_dac2.endcleared = 0;
1283                 spin_unlock_irqrestore(&s->lock, flags);
1284                 count -= cnt;
1285                 buffer += cnt;
1286                 ret += cnt;
1287                 if (s->dma_dac2.enabled)
1288                         start_dac2(s);
1289         }
1290 out:
1291         up(&s->sem);
1292         remove_wait_queue(&s->dma_dac2.wait, &wait);
1293         set_current_state(TASK_RUNNING);
1294         return ret;
1295 }
1296
1297 /* No kernel lock - we have our own spinlock */
1298 static unsigned int es1370_poll(struct file *file, struct poll_table_struct *wait)
1299 {
1300         struct es1370_state *s = (struct es1370_state *)file->private_data;
1301         unsigned long flags;
1302         unsigned int mask = 0;
1303
1304         VALIDATE_STATE(s);
1305         if (file->f_mode & FMODE_WRITE) {
1306                 if (!s->dma_dac2.ready && prog_dmabuf_dac2(s))
1307                         return 0;
1308                 poll_wait(file, &s->dma_dac2.wait, wait);
1309         }
1310         if (file->f_mode & FMODE_READ) {
1311                 if (!s->dma_adc.ready && prog_dmabuf_adc(s))
1312                         return 0;
1313                 poll_wait(file, &s->dma_adc.wait, wait);
1314         }
1315         spin_lock_irqsave(&s->lock, flags);
1316         es1370_update_ptr(s);
1317         if (file->f_mode & FMODE_READ) {
1318                 if (s->dma_adc.count >= (signed)s->dma_adc.fragsize)
1319                         mask |= POLLIN | POLLRDNORM;
1320         }
1321         if (file->f_mode & FMODE_WRITE) {
1322                 if (s->dma_dac2.mapped) {
1323                         if (s->dma_dac2.count >= (signed)s->dma_dac2.fragsize)
1324                                 mask |= POLLOUT | POLLWRNORM;
1325                 } else {
1326                         if ((signed)s->dma_dac2.dmasize >= s->dma_dac2.count + (signed)s->dma_dac2.fragsize)
1327                                 mask |= POLLOUT | POLLWRNORM;
1328                 }
1329         }
1330         spin_unlock_irqrestore(&s->lock, flags);
1331         return mask;
1332 }
1333
1334 static int es1370_mmap(struct file *file, struct vm_area_struct *vma)
1335 {
1336         struct es1370_state *s = (struct es1370_state *)file->private_data;
1337         struct dmabuf *db;
1338         int ret = 0;
1339         unsigned long size;
1340
1341         VALIDATE_STATE(s);
1342         lock_kernel();
1343         down(&s->sem);
1344         if (vma->vm_flags & VM_WRITE) {
1345                 if ((ret = prog_dmabuf_dac2(s)) != 0) {
1346                         goto out;
1347                 }
1348                 db = &s->dma_dac2;
1349         } else if (vma->vm_flags & VM_READ) {
1350                 if ((ret = prog_dmabuf_adc(s)) != 0) {
1351                         goto out;
1352                 }
1353                 db = &s->dma_adc;
1354         } else  {
1355                 ret = -EINVAL;
1356                 goto out;
1357         }
1358         if (vma->vm_pgoff != 0) {
1359                 ret = -EINVAL;
1360                 goto out;
1361         }
1362         size = vma->vm_end - vma->vm_start;
1363         if (size > (PAGE_SIZE << db->buforder)) {
1364                 ret = -EINVAL;
1365                 goto out;
1366         }
1367         if (remap_pfn_range(vma, vma->vm_start,
1368                                 virt_to_phys(db->rawbuf) >> PAGE_SHIFT,
1369                                 size, vma->vm_page_prot)) {
1370                 ret = -EAGAIN;
1371                 goto out;
1372         }
1373         db->mapped = 1;
1374 out:
1375         up(&s->sem);
1376         unlock_kernel();
1377         return ret;
1378 }
1379
1380 static int es1370_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
1381 {
1382         struct es1370_state *s = (struct es1370_state *)file->private_data;
1383         unsigned long flags;
1384         audio_buf_info abinfo;
1385         count_info cinfo;
1386         int count;
1387         int val, mapped, ret;
1388         void __user *argp = (void __user *)arg;
1389         int __user *p = argp;
1390
1391         VALIDATE_STATE(s);
1392         mapped = ((file->f_mode & FMODE_WRITE) && s->dma_dac2.mapped) ||
1393                 ((file->f_mode & FMODE_READ) && s->dma_adc.mapped);
1394         switch (cmd) {
1395         case OSS_GETVERSION:
1396                 return put_user(SOUND_VERSION, p);
1397
1398         case SNDCTL_DSP_SYNC:
1399                 if (file->f_mode & FMODE_WRITE)
1400                         return drain_dac2(s, 0/*file->f_flags & O_NONBLOCK*/);
1401                 return 0;
1402
1403         case SNDCTL_DSP_SETDUPLEX:
1404                 return 0;
1405
1406         case SNDCTL_DSP_GETCAPS:
1407                 return put_user(DSP_CAP_DUPLEX | DSP_CAP_REALTIME | DSP_CAP_TRIGGER | DSP_CAP_MMAP, p);
1408
1409         case SNDCTL_DSP_RESET:
1410                 if (file->f_mode & FMODE_WRITE) {
1411                         stop_dac2(s);
1412                         synchronize_irq(s->irq);
1413                         s->dma_dac2.swptr = s->dma_dac2.hwptr = s->dma_dac2.count = s->dma_dac2.total_bytes = 0;
1414                 }
1415                 if (file->f_mode & FMODE_READ) {
1416                         stop_adc(s);
1417                         synchronize_irq(s->irq);
1418                         s->dma_adc.swptr = s->dma_adc.hwptr = s->dma_adc.count = s->dma_adc.total_bytes = 0;
1419                 }
1420                 return 0;
1421
1422         case SNDCTL_DSP_SPEED:
1423                 if (get_user(val, p))
1424                         return -EFAULT;
1425                 if (val >= 0) {
1426                         if (s->open_mode & (~file->f_mode) & (FMODE_READ|FMODE_WRITE))
1427                                 return -EINVAL;
1428                         if (val < 4000)
1429                                 val = 4000;
1430                         if (val > 50000)
1431                                 val = 50000;
1432                         stop_adc(s);
1433                         stop_dac2(s);
1434                         s->dma_adc.ready = s->dma_dac2.ready = 0;
1435                         spin_lock_irqsave(&s->lock, flags);
1436                         s->ctrl = (s->ctrl & ~CTRL_PCLKDIV) | (DAC2_SRTODIV(val) << CTRL_SH_PCLKDIV);
1437                         outl(s->ctrl, s->io+ES1370_REG_CONTROL);
1438                         spin_unlock_irqrestore(&s->lock, flags);
1439                 }
1440                 return put_user(DAC2_DIVTOSR((s->ctrl & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV), p);
1441
1442         case SNDCTL_DSP_STEREO:
1443                 if (get_user(val, p))
1444                         return -EFAULT;
1445                 if (file->f_mode & FMODE_READ) {
1446                         stop_adc(s);
1447                         s->dma_adc.ready = 0;
1448                         spin_lock_irqsave(&s->lock, flags);
1449                         if (val)
1450                                 s->sctrl |= SCTRL_R1SMB;
1451                         else
1452                                 s->sctrl &= ~SCTRL_R1SMB;
1453                         outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL);
1454                         spin_unlock_irqrestore(&s->lock, flags);
1455                 }
1456                 if (file->f_mode & FMODE_WRITE) {
1457                         stop_dac2(s);
1458                         s->dma_dac2.ready = 0;
1459                         spin_lock_irqsave(&s->lock, flags);
1460                         if (val)
1461                                 s->sctrl |= SCTRL_P2SMB;
1462                         else
1463                                 s->sctrl &= ~SCTRL_P2SMB;
1464                         outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL);
1465                         spin_unlock_irqrestore(&s->lock, flags);
1466                 }
1467                 return 0;
1468
1469         case SNDCTL_DSP_CHANNELS:
1470                 if (get_user(val, p))
1471                         return -EFAULT;
1472                 if (val != 0) {
1473                         if (file->f_mode & FMODE_READ) {
1474                                 stop_adc(s);
1475                                 s->dma_adc.ready = 0;
1476                                 spin_lock_irqsave(&s->lock, flags);
1477                                 if (val >= 2)
1478                                         s->sctrl |= SCTRL_R1SMB;
1479                                 else
1480                                         s->sctrl &= ~SCTRL_R1SMB;
1481                                 outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL);
1482                                 spin_unlock_irqrestore(&s->lock, flags);
1483                         }
1484                         if (file->f_mode & FMODE_WRITE) {
1485                                 stop_dac2(s);
1486                                 s->dma_dac2.ready = 0;
1487                                 spin_lock_irqsave(&s->lock, flags);
1488                                 if (val >= 2)
1489                                         s->sctrl |= SCTRL_P2SMB;
1490                                 else
1491                                         s->sctrl &= ~SCTRL_P2SMB;
1492                                 outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL);
1493                                 spin_unlock_irqrestore(&s->lock, flags);
1494                         }
1495                 }
1496                 return put_user((s->sctrl & ((file->f_mode & FMODE_READ) ? SCTRL_R1SMB : SCTRL_P2SMB)) ? 2 : 1, p);
1497
1498         case SNDCTL_DSP_GETFMTS: /* Returns a mask */
1499                 return put_user(AFMT_S16_LE|AFMT_U8, p);
1500
1501         case SNDCTL_DSP_SETFMT: /* Selects ONE fmt*/
1502                 if (get_user(val, p))
1503                         return -EFAULT;
1504                 if (val != AFMT_QUERY) {
1505                         if (file->f_mode & FMODE_READ) {
1506                                 stop_adc(s);
1507                                 s->dma_adc.ready = 0;
1508                                 spin_lock_irqsave(&s->lock, flags);
1509                                 if (val == AFMT_S16_LE)
1510                                         s->sctrl |= SCTRL_R1SEB;
1511                                 else
1512                                         s->sctrl &= ~SCTRL_R1SEB;
1513                                 outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL);
1514                                 spin_unlock_irqrestore(&s->lock, flags);
1515                         }
1516                         if (file->f_mode & FMODE_WRITE) {
1517                                 stop_dac2(s);
1518                                 s->dma_dac2.ready = 0;
1519                                 spin_lock_irqsave(&s->lock, flags);
1520                                 if (val == AFMT_S16_LE)
1521                                         s->sctrl |= SCTRL_P2SEB;
1522                                 else
1523                                         s->sctrl &= ~SCTRL_P2SEB;
1524                                 outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL);
1525                                 spin_unlock_irqrestore(&s->lock, flags);
1526                         }
1527                 }
1528                 return put_user((s->sctrl & ((file->f_mode & FMODE_READ) ? SCTRL_R1SEB : SCTRL_P2SEB)) ?
1529                                 AFMT_S16_LE : AFMT_U8, p);
1530
1531         case SNDCTL_DSP_POST:
1532                 return 0;
1533
1534         case SNDCTL_DSP_GETTRIGGER:
1535                 val = 0;
1536                 if (file->f_mode & FMODE_READ && s->ctrl & CTRL_ADC_EN)
1537                         val |= PCM_ENABLE_INPUT;
1538                 if (file->f_mode & FMODE_WRITE && s->ctrl & CTRL_DAC2_EN)
1539                         val |= PCM_ENABLE_OUTPUT;
1540                 return put_user(val, p);
1541
1542         case SNDCTL_DSP_SETTRIGGER:
1543                 if (get_user(val, p))
1544                         return -EFAULT;
1545                 if (file->f_mode & FMODE_READ) {
1546                         if (val & PCM_ENABLE_INPUT) {
1547                                 if (!s->dma_adc.ready && (ret = prog_dmabuf_adc(s)))
1548                                         return ret;
1549                                 s->dma_adc.enabled = 1;
1550                                 start_adc(s);
1551                         } else {
1552                                 s->dma_adc.enabled = 0;
1553                                 stop_adc(s);
1554                         }
1555                 }
1556                 if (file->f_mode & FMODE_WRITE) {
1557                         if (val & PCM_ENABLE_OUTPUT) {
1558                                 if (!s->dma_dac2.ready && (ret = prog_dmabuf_dac2(s)))
1559                                         return ret;
1560                                 s->dma_dac2.enabled = 1;
1561                                 start_dac2(s);
1562                         } else {
1563                                 s->dma_dac2.enabled = 0;
1564                                 stop_dac2(s);
1565                         }
1566                 }
1567                 return 0;
1568
1569         case SNDCTL_DSP_GETOSPACE:
1570                 if (!(file->f_mode & FMODE_WRITE))
1571                         return -EINVAL;
1572                 if (!s->dma_dac2.ready && (val = prog_dmabuf_dac2(s)) != 0)
1573                         return val;
1574                 spin_lock_irqsave(&s->lock, flags);
1575                 es1370_update_ptr(s);
1576                 abinfo.fragsize = s->dma_dac2.fragsize;
1577                 count = s->dma_dac2.count;
1578                 if (count < 0)
1579                         count = 0;
1580                 abinfo.bytes = s->dma_dac2.dmasize - count;
1581                 abinfo.fragstotal = s->dma_dac2.numfrag;
1582                 abinfo.fragments = abinfo.bytes >> s->dma_dac2.fragshift;
1583                 spin_unlock_irqrestore(&s->lock, flags);
1584                 return copy_to_user(argp, &abinfo, sizeof(abinfo)) ? -EFAULT : 0;
1585
1586         case SNDCTL_DSP_GETISPACE:
1587                 if (!(file->f_mode & FMODE_READ))
1588                         return -EINVAL;
1589                 if (!s->dma_adc.ready && (val = prog_dmabuf_adc(s)) != 0)
1590                         return val;
1591                 spin_lock_irqsave(&s->lock, flags);
1592                 es1370_update_ptr(s);
1593                 abinfo.fragsize = s->dma_adc.fragsize;
1594                 count = s->dma_adc.count;
1595                 if (count < 0)
1596                         count = 0;
1597                 abinfo.bytes = count;
1598                 abinfo.fragstotal = s->dma_adc.numfrag;
1599                 abinfo.fragments = abinfo.bytes >> s->dma_adc.fragshift;
1600                 spin_unlock_irqrestore(&s->lock, flags);
1601                 return copy_to_user(argp, &abinfo, sizeof(abinfo)) ? -EFAULT : 0;
1602
1603         case SNDCTL_DSP_NONBLOCK:
1604                 file->f_flags |= O_NONBLOCK;
1605                 return 0;
1606
1607         case SNDCTL_DSP_GETODELAY:
1608                 if (!(file->f_mode & FMODE_WRITE))
1609                         return -EINVAL;
1610                 if (!s->dma_dac2.ready && (val = prog_dmabuf_dac2(s)) != 0)
1611                         return val;
1612                 spin_lock_irqsave(&s->lock, flags);
1613                 es1370_update_ptr(s);
1614                 count = s->dma_dac2.count;
1615                 spin_unlock_irqrestore(&s->lock, flags);
1616                 if (count < 0)
1617                         count = 0;
1618                 return put_user(count, p);
1619
1620         case SNDCTL_DSP_GETIPTR:
1621                 if (!(file->f_mode & FMODE_READ))
1622                         return -EINVAL;
1623                 if (!s->dma_adc.ready && (val = prog_dmabuf_adc(s)) != 0)
1624                         return val;
1625                 spin_lock_irqsave(&s->lock, flags);
1626                 es1370_update_ptr(s);
1627                 cinfo.bytes = s->dma_adc.total_bytes;
1628                 count = s->dma_adc.count;
1629                 if (count < 0)
1630                         count = 0;
1631                 cinfo.blocks = count >> s->dma_adc.fragshift;
1632                 cinfo.ptr = s->dma_adc.hwptr;
1633                 if (s->dma_adc.mapped)
1634                         s->dma_adc.count &= s->dma_adc.fragsize-1;
1635                 spin_unlock_irqrestore(&s->lock, flags);
1636                 if (copy_to_user(argp, &cinfo, sizeof(cinfo)))
1637                         return -EFAULT;
1638                 return 0;
1639
1640         case SNDCTL_DSP_GETOPTR:
1641                 if (!(file->f_mode & FMODE_WRITE))
1642                         return -EINVAL;
1643                 if (!s->dma_dac2.ready && (val = prog_dmabuf_dac2(s)) != 0)
1644                         return val;
1645                 spin_lock_irqsave(&s->lock, flags);
1646                 es1370_update_ptr(s);
1647                 cinfo.bytes = s->dma_dac2.total_bytes;
1648                 count = s->dma_dac2.count;
1649                 if (count < 0)
1650                         count = 0;
1651                 cinfo.blocks = count >> s->dma_dac2.fragshift;
1652                 cinfo.ptr = s->dma_dac2.hwptr;
1653                 if (s->dma_dac2.mapped)
1654                         s->dma_dac2.count &= s->dma_dac2.fragsize-1;
1655                 spin_unlock_irqrestore(&s->lock, flags);
1656                 if (copy_to_user(argp, &cinfo, sizeof(cinfo)))
1657                         return -EFAULT;
1658                 return 0;
1659
1660         case SNDCTL_DSP_GETBLKSIZE:
1661                 if (file->f_mode & FMODE_WRITE) {
1662                         if ((val = prog_dmabuf_dac2(s)))
1663                                 return val;
1664                         return put_user(s->dma_dac2.fragsize, p);
1665                 }
1666                 if ((val = prog_dmabuf_adc(s)))
1667                         return val;
1668                 return put_user(s->dma_adc.fragsize, p);
1669
1670         case SNDCTL_DSP_SETFRAGMENT:
1671                 if (get_user(val, p))
1672                         return -EFAULT;
1673                 if (file->f_mode & FMODE_READ) {
1674                         s->dma_adc.ossfragshift = val & 0xffff;
1675                         s->dma_adc.ossmaxfrags = (val >> 16) & 0xffff;
1676                         if (s->dma_adc.ossfragshift < 4)
1677                                 s->dma_adc.ossfragshift = 4;
1678                         if (s->dma_adc.ossfragshift > 15)
1679                                 s->dma_adc.ossfragshift = 15;
1680                         if (s->dma_adc.ossmaxfrags < 4)
1681                                 s->dma_adc.ossmaxfrags = 4;
1682                 }
1683                 if (file->f_mode & FMODE_WRITE) {
1684                         s->dma_dac2.ossfragshift = val & 0xffff;
1685                         s->dma_dac2.ossmaxfrags = (val >> 16) & 0xffff;
1686                         if (s->dma_dac2.ossfragshift < 4)
1687                                 s->dma_dac2.ossfragshift = 4;
1688                         if (s->dma_dac2.ossfragshift > 15)
1689                                 s->dma_dac2.ossfragshift = 15;
1690                         if (s->dma_dac2.ossmaxfrags < 4)
1691                                 s->dma_dac2.ossmaxfrags = 4;
1692                 }
1693                 return 0;
1694
1695         case SNDCTL_DSP_SUBDIVIDE:
1696                 if ((file->f_mode & FMODE_READ && s->dma_adc.subdivision) ||
1697                     (file->f_mode & FMODE_WRITE && s->dma_dac2.subdivision))
1698                         return -EINVAL;
1699                 if (get_user(val, p))
1700                         return -EFAULT;
1701                 if (val != 1 && val != 2 && val != 4)
1702                         return -EINVAL;
1703                 if (file->f_mode & FMODE_READ)
1704                         s->dma_adc.subdivision = val;
1705                 if (file->f_mode & FMODE_WRITE)
1706                         s->dma_dac2.subdivision = val;
1707                 return 0;
1708
1709         case SOUND_PCM_READ_RATE:
1710                 return put_user(DAC2_DIVTOSR((s->ctrl & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV), p);
1711
1712         case SOUND_PCM_READ_CHANNELS:
1713                 return put_user((s->sctrl & ((file->f_mode & FMODE_READ) ? SCTRL_R1SMB : SCTRL_P2SMB)) ?
1714                                 2 : 1, p);
1715
1716         case SOUND_PCM_READ_BITS:
1717                 return put_user((s->sctrl & ((file->f_mode & FMODE_READ) ? SCTRL_R1SEB : SCTRL_P2SEB)) ?
1718                                 16 : 8, p);
1719
1720         case SOUND_PCM_WRITE_FILTER:
1721         case SNDCTL_DSP_SETSYNCRO:
1722         case SOUND_PCM_READ_FILTER:
1723                 return -EINVAL;
1724
1725         }
1726         return mixer_ioctl(s, cmd, arg);
1727 }
1728
1729 static int es1370_open(struct inode *inode, struct file *file)
1730 {
1731         unsigned int minor = iminor(inode);
1732         DECLARE_WAITQUEUE(wait, current);
1733         unsigned long flags;
1734         struct list_head *list;
1735         struct es1370_state *s;
1736
1737         for (list = devs.next; ; list = list->next) {
1738                 if (list == &devs)
1739                         return -ENODEV;
1740                 s = list_entry(list, struct es1370_state, devs);
1741                 if (!((s->dev_audio ^ minor) & ~0xf))
1742                         break;
1743         }
1744         VALIDATE_STATE(s);
1745         file->private_data = s;
1746         /* wait for device to become free */
1747         down(&s->open_sem);
1748         while (s->open_mode & file->f_mode) {
1749                 if (file->f_flags & O_NONBLOCK) {
1750                         up(&s->open_sem);
1751                         return -EBUSY;
1752                 }
1753                 add_wait_queue(&s->open_wait, &wait);
1754                 __set_current_state(TASK_INTERRUPTIBLE);
1755                 up(&s->open_sem);
1756                 schedule();
1757                 remove_wait_queue(&s->open_wait, &wait);
1758                 set_current_state(TASK_RUNNING);
1759                 if (signal_pending(current))
1760                         return -ERESTARTSYS;
1761                 down(&s->open_sem);
1762         }
1763         spin_lock_irqsave(&s->lock, flags);
1764         if (!(s->open_mode & (FMODE_READ|FMODE_WRITE)))
1765                 s->ctrl = (s->ctrl & ~CTRL_PCLKDIV) | (DAC2_SRTODIV(8000) << CTRL_SH_PCLKDIV);
1766         if (file->f_mode & FMODE_READ) {
1767                 s->dma_adc.ossfragshift = s->dma_adc.ossmaxfrags = s->dma_adc.subdivision = 0;
1768                 s->dma_adc.enabled = 1;
1769                 s->sctrl &= ~SCTRL_R1FMT;
1770                 if ((minor & 0xf) == SND_DEV_DSP16)
1771                         s->sctrl |= ES1370_FMT_S16_MONO << SCTRL_SH_R1FMT;
1772                 else
1773                         s->sctrl |= ES1370_FMT_U8_MONO << SCTRL_SH_R1FMT;
1774         }
1775         if (file->f_mode & FMODE_WRITE) {
1776                 s->dma_dac2.ossfragshift = s->dma_dac2.ossmaxfrags = s->dma_dac2.subdivision = 0;
1777                 s->dma_dac2.enabled = 1;
1778                 s->sctrl &= ~SCTRL_P2FMT;
1779                 if ((minor & 0xf) == SND_DEV_DSP16)
1780                         s->sctrl |= ES1370_FMT_S16_MONO << SCTRL_SH_P2FMT;
1781                 else
1782                         s->sctrl |= ES1370_FMT_U8_MONO << SCTRL_SH_P2FMT;
1783         }
1784         outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL);
1785         outl(s->ctrl, s->io+ES1370_REG_CONTROL);
1786         spin_unlock_irqrestore(&s->lock, flags);
1787         s->open_mode |= file->f_mode & (FMODE_READ | FMODE_WRITE);
1788         up(&s->open_sem);
1789         init_MUTEX(&s->sem);
1790         return nonseekable_open(inode, file);
1791 }
1792
1793 static int es1370_release(struct inode *inode, struct file *file)
1794 {
1795         struct es1370_state *s = (struct es1370_state *)file->private_data;
1796
1797         VALIDATE_STATE(s);
1798         lock_kernel();
1799         if (file->f_mode & FMODE_WRITE)
1800                 drain_dac2(s, file->f_flags & O_NONBLOCK);
1801         down(&s->open_sem);
1802         if (file->f_mode & FMODE_WRITE) {
1803                 stop_dac2(s);
1804                 synchronize_irq(s->irq);
1805                 dealloc_dmabuf(s, &s->dma_dac2);
1806         }
1807         if (file->f_mode & FMODE_READ) {
1808                 stop_adc(s);
1809                 dealloc_dmabuf(s, &s->dma_adc);
1810         }
1811         s->open_mode &= ~(file->f_mode & (FMODE_READ|FMODE_WRITE));
1812         wake_up(&s->open_wait);
1813         up(&s->open_sem);
1814         unlock_kernel();
1815         return 0;
1816 }
1817
1818 static /*const*/ struct file_operations es1370_audio_fops = {
1819         .owner          = THIS_MODULE,
1820         .llseek         = no_llseek,
1821         .read           = es1370_read,
1822         .write          = es1370_write,
1823         .poll           = es1370_poll,
1824         .ioctl          = es1370_ioctl,
1825         .mmap           = es1370_mmap,
1826         .open           = es1370_open,
1827         .release        = es1370_release,
1828 };
1829
1830 /* --------------------------------------------------------------------- */
1831
1832 static ssize_t es1370_write_dac(struct file *file, const char __user *buffer, size_t count, loff_t *ppos)
1833 {
1834         struct es1370_state *s = (struct es1370_state *)file->private_data;
1835         DECLARE_WAITQUEUE(wait, current);
1836         ssize_t ret = 0;
1837         unsigned long flags;
1838         unsigned swptr;
1839         int cnt;
1840
1841         VALIDATE_STATE(s);
1842         if (s->dma_dac1.mapped)
1843                 return -ENXIO;
1844         if (!s->dma_dac1.ready && (ret = prog_dmabuf_dac1(s)))
1845                 return ret;
1846         if (!access_ok(VERIFY_READ, buffer, count))
1847                 return -EFAULT;
1848         add_wait_queue(&s->dma_dac1.wait, &wait);
1849         while (count > 0) {
1850                 spin_lock_irqsave(&s->lock, flags);
1851                 if (s->dma_dac1.count < 0) {
1852                         s->dma_dac1.count = 0;
1853                         s->dma_dac1.swptr = s->dma_dac1.hwptr;
1854                 }
1855                 swptr = s->dma_dac1.swptr;
1856                 cnt = s->dma_dac1.dmasize-swptr;
1857                 if (s->dma_dac1.count + cnt > s->dma_dac1.dmasize)
1858                         cnt = s->dma_dac1.dmasize - s->dma_dac1.count;
1859                 if (cnt <= 0)
1860                         __set_current_state(TASK_INTERRUPTIBLE);
1861                 spin_unlock_irqrestore(&s->lock, flags);
1862                 if (cnt > count)
1863                         cnt = count;
1864                 if (cnt <= 0) {
1865                         if (s->dma_dac1.enabled)
1866                                 start_dac1(s);
1867                         if (file->f_flags & O_NONBLOCK) {
1868                                 if (!ret)
1869                                         ret = -EAGAIN;
1870                                 break;
1871                         }
1872                         schedule();
1873                         if (signal_pending(current)) {
1874                                 if (!ret)
1875                                         ret = -ERESTARTSYS;
1876                                 break;
1877                         }
1878                         continue;
1879                 }
1880                 if (copy_from_user(s->dma_dac1.rawbuf + swptr, buffer, cnt)) {
1881                         if (!ret)
1882                                 ret = -EFAULT;
1883                         break;
1884                 }
1885                 swptr = (swptr + cnt) % s->dma_dac1.dmasize;
1886                 spin_lock_irqsave(&s->lock, flags);
1887                 s->dma_dac1.swptr = swptr;
1888                 s->dma_dac1.count += cnt;
1889                 s->dma_dac1.endcleared = 0;
1890                 spin_unlock_irqrestore(&s->lock, flags);
1891                 count -= cnt;
1892                 buffer += cnt;
1893                 ret += cnt;
1894                 if (s->dma_dac1.enabled)
1895                         start_dac1(s);
1896         }
1897         remove_wait_queue(&s->dma_dac1.wait, &wait);
1898         set_current_state(TASK_RUNNING);
1899         return ret;
1900 }
1901
1902 /* No kernel lock - we have our own spinlock */
1903 static unsigned int es1370_poll_dac(struct file *file, struct poll_table_struct *wait)
1904 {
1905         struct es1370_state *s = (struct es1370_state *)file->private_data;
1906         unsigned long flags;
1907         unsigned int mask = 0;
1908
1909         VALIDATE_STATE(s);
1910         if (!s->dma_dac1.ready && prog_dmabuf_dac1(s))
1911                 return 0;
1912         poll_wait(file, &s->dma_dac1.wait, wait);
1913         spin_lock_irqsave(&s->lock, flags);
1914         es1370_update_ptr(s);
1915         if (s->dma_dac1.mapped) {
1916                 if (s->dma_dac1.count >= (signed)s->dma_dac1.fragsize)
1917                         mask |= POLLOUT | POLLWRNORM;
1918         } else {
1919                 if ((signed)s->dma_dac1.dmasize >= s->dma_dac1.count + (signed)s->dma_dac1.fragsize)
1920                         mask |= POLLOUT | POLLWRNORM;
1921         }
1922         spin_unlock_irqrestore(&s->lock, flags);
1923         return mask;
1924 }
1925
1926 static int es1370_mmap_dac(struct file *file, struct vm_area_struct *vma)
1927 {
1928         struct es1370_state *s = (struct es1370_state *)file->private_data;
1929         int ret;
1930         unsigned long size;
1931
1932         VALIDATE_STATE(s);
1933         if (!(vma->vm_flags & VM_WRITE))
1934                 return -EINVAL;
1935         lock_kernel();
1936         if ((ret = prog_dmabuf_dac1(s)) != 0)
1937                 goto out;
1938         ret = -EINVAL;
1939         if (vma->vm_pgoff != 0)
1940                 goto out;
1941         size = vma->vm_end - vma->vm_start;
1942         if (size > (PAGE_SIZE << s->dma_dac1.buforder))
1943                 goto out;
1944         ret = -EAGAIN;
1945         if (remap_pfn_range(vma, vma->vm_start,
1946                         virt_to_phys(s->dma_dac1.rawbuf) >> PAGE_SHIFT,
1947                         size, vma->vm_page_prot))
1948                 goto out;
1949         s->dma_dac1.mapped = 1;
1950         ret = 0;
1951 out:
1952         unlock_kernel();
1953         return ret;
1954 }
1955
1956 static int es1370_ioctl_dac(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
1957 {
1958         struct es1370_state *s = (struct es1370_state *)file->private_data;
1959         unsigned long flags;
1960         audio_buf_info abinfo;
1961         count_info cinfo;
1962         int count;
1963         unsigned ctrl;
1964         int val, ret;
1965         int __user *p = (int __user *)arg;
1966
1967         VALIDATE_STATE(s);
1968         switch (cmd) {
1969         case OSS_GETVERSION:
1970                 return put_user(SOUND_VERSION, p);
1971
1972         case SNDCTL_DSP_SYNC:
1973                 return drain_dac1(s, 0/*file->f_flags & O_NONBLOCK*/);
1974
1975         case SNDCTL_DSP_SETDUPLEX:
1976                 return -EINVAL;
1977
1978         case SNDCTL_DSP_GETCAPS:
1979                 return put_user(DSP_CAP_REALTIME | DSP_CAP_TRIGGER | DSP_CAP_MMAP, p);
1980
1981         case SNDCTL_DSP_RESET:
1982                 stop_dac1(s);
1983                 synchronize_irq(s->irq);
1984                 s->dma_dac1.swptr = s->dma_dac1.hwptr = s->dma_dac1.count = s->dma_dac1.total_bytes = 0;
1985                 return 0;
1986
1987         case SNDCTL_DSP_SPEED:
1988                 if (get_user(val, p))
1989                         return -EFAULT;
1990                 if (val >= 0) {
1991                         stop_dac1(s);
1992                         s->dma_dac1.ready = 0;
1993                         for (ctrl = 0; ctrl <= 2; ctrl++)
1994                                 if (val < (dac1_samplerate[ctrl] + dac1_samplerate[ctrl+1]) / 2)
1995                                         break;
1996                         spin_lock_irqsave(&s->lock, flags);
1997                         s->ctrl = (s->ctrl & ~CTRL_WTSRSEL) | (ctrl << CTRL_SH_WTSRSEL);
1998                         outl(s->ctrl, s->io+ES1370_REG_CONTROL);
1999                         spin_unlock_irqrestore(&s->lock, flags);
2000                 }
2001                 return put_user(dac1_samplerate[(s->ctrl & CTRL_WTSRSEL) >> CTRL_SH_WTSRSEL], p);
2002
2003         case SNDCTL_DSP_STEREO:
2004                 if (get_user(val, p))
2005                         return -EFAULT;
2006                 stop_dac1(s);
2007                 s->dma_dac1.ready = 0;
2008                 spin_lock_irqsave(&s->lock, flags);
2009                 if (val)
2010                         s->sctrl |= SCTRL_P1SMB;
2011                 else
2012                         s->sctrl &= ~SCTRL_P1SMB;
2013                 outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL);
2014                 spin_unlock_irqrestore(&s->lock, flags);
2015                 return 0;
2016
2017         case SNDCTL_DSP_CHANNELS:
2018                 if (get_user(val, p))
2019                         return -EFAULT;
2020                 if (val != 0) {
2021                         if (s->dma_dac1.mapped)
2022                                 return -EINVAL;
2023                         stop_dac1(s);
2024                         s->dma_dac1.ready = 0;
2025                         spin_lock_irqsave(&s->lock, flags);
2026                         if (val >= 2)
2027                                 s->sctrl |= SCTRL_P1SMB;
2028                         else
2029                                 s->sctrl &= ~SCTRL_P1SMB;
2030                         outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL);
2031                         spin_unlock_irqrestore(&s->lock, flags);
2032                 }
2033                 return put_user((s->sctrl & SCTRL_P1SMB) ? 2 : 1, p);
2034
2035         case SNDCTL_DSP_GETFMTS: /* Returns a mask */
2036                 return put_user(AFMT_S16_LE|AFMT_U8, p);
2037
2038         case SNDCTL_DSP_SETFMT: /* Selects ONE fmt*/
2039                 if (get_user(val, p))
2040                         return -EFAULT;
2041                 if (val != AFMT_QUERY) {
2042                         stop_dac1(s);
2043                         s->dma_dac1.ready = 0;
2044                         spin_lock_irqsave(&s->lock, flags);
2045                         if (val == AFMT_S16_LE)
2046                                 s->sctrl |= SCTRL_P1SEB;
2047                         else
2048                                 s->sctrl &= ~SCTRL_P1SEB;
2049                         outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL);
2050                         spin_unlock_irqrestore(&s->lock, flags);
2051                 }
2052                 return put_user((s->sctrl & SCTRL_P1SEB) ? AFMT_S16_LE : AFMT_U8, p);
2053
2054         case SNDCTL_DSP_POST:
2055                 return 0;
2056
2057         case SNDCTL_DSP_GETTRIGGER:
2058                 return put_user((s->ctrl & CTRL_DAC1_EN) ? PCM_ENABLE_OUTPUT : 0, p);
2059
2060         case SNDCTL_DSP_SETTRIGGER:
2061                 if (get_user(val, p))
2062                         return -EFAULT;
2063                 if (val & PCM_ENABLE_OUTPUT) {
2064                         if (!s->dma_dac1.ready && (ret = prog_dmabuf_dac1(s)))
2065                                 return ret;
2066                         s->dma_dac1.enabled = 1;
2067                         start_dac1(s);
2068                 } else {
2069                         s->dma_dac1.enabled = 0;
2070                         stop_dac1(s);
2071                 }
2072                 return 0;
2073
2074         case SNDCTL_DSP_GETOSPACE:
2075                 if (!s->dma_dac1.ready && (val = prog_dmabuf_dac1(s)) != 0)
2076                         return val;
2077                 spin_lock_irqsave(&s->lock, flags);
2078                 es1370_update_ptr(s);
2079                 abinfo.fragsize = s->dma_dac1.fragsize;
2080                 count = s->dma_dac1.count;
2081                 if (count < 0)
2082                         count = 0;
2083                 abinfo.bytes = s->dma_dac1.dmasize - count;
2084                 abinfo.fragstotal = s->dma_dac1.numfrag;
2085                 abinfo.fragments = abinfo.bytes >> s->dma_dac1.fragshift;
2086                 spin_unlock_irqrestore(&s->lock, flags);
2087                 return copy_to_user((void __user *)arg, &abinfo, sizeof(abinfo)) ? -EFAULT : 0;
2088
2089         case SNDCTL_DSP_NONBLOCK:
2090                 file->f_flags |= O_NONBLOCK;
2091                 return 0;
2092
2093         case SNDCTL_DSP_GETODELAY:
2094                 if (!s->dma_dac1.ready && (val = prog_dmabuf_dac1(s)) != 0)
2095                         return val;
2096                 spin_lock_irqsave(&s->lock, flags);
2097                 es1370_update_ptr(s);
2098                 count = s->dma_dac1.count;
2099                 spin_unlock_irqrestore(&s->lock, flags);
2100                 if (count < 0)
2101                         count = 0;
2102                 return put_user(count, p);
2103
2104         case SNDCTL_DSP_GETOPTR:
2105                 if (!s->dma_dac1.ready && (val = prog_dmabuf_dac1(s)) != 0)
2106                         return val;
2107                 spin_lock_irqsave(&s->lock, flags);
2108                 es1370_update_ptr(s);
2109                 cinfo.bytes = s->dma_dac1.total_bytes;
2110                 count = s->dma_dac1.count;
2111                 if (count < 0)
2112                         count = 0;
2113                 cinfo.blocks = count >> s->dma_dac1.fragshift;
2114                 cinfo.ptr = s->dma_dac1.hwptr;
2115                 if (s->dma_dac1.mapped)
2116                         s->dma_dac1.count &= s->dma_dac1.fragsize-1;
2117                 spin_unlock_irqrestore(&s->lock, flags);
2118                 if (copy_to_user((void __user *)arg, &cinfo, sizeof(cinfo)))
2119                         return -EFAULT;
2120                 return 0;
2121
2122         case SNDCTL_DSP_GETBLKSIZE:
2123                 if ((val = prog_dmabuf_dac1(s)))
2124                         return val;
2125                 return put_user(s->dma_dac1.fragsize, p);
2126
2127         case SNDCTL_DSP_SETFRAGMENT:
2128                 if (get_user(val, p))
2129                         return -EFAULT;
2130                 s->dma_dac1.ossfragshift = val & 0xffff;
2131                 s->dma_dac1.ossmaxfrags = (val >> 16) & 0xffff;
2132                 if (s->dma_dac1.ossfragshift < 4)
2133                         s->dma_dac1.ossfragshift = 4;
2134                 if (s->dma_dac1.ossfragshift > 15)
2135                         s->dma_dac1.ossfragshift = 15;
2136                 if (s->dma_dac1.ossmaxfrags < 4)
2137                         s->dma_dac1.ossmaxfrags = 4;
2138                 return 0;
2139
2140         case SNDCTL_DSP_SUBDIVIDE:
2141                 if (s->dma_dac1.subdivision)
2142                         return -EINVAL;
2143                 if (get_user(val, p))
2144                         return -EFAULT;
2145                 if (val != 1 && val != 2 && val != 4)
2146                         return -EINVAL;
2147                 s->dma_dac1.subdivision = val;
2148                 return 0;
2149
2150         case SOUND_PCM_READ_RATE:
2151                 return put_user(dac1_samplerate[(s->ctrl & CTRL_WTSRSEL) >> CTRL_SH_WTSRSEL], p);
2152
2153         case SOUND_PCM_READ_CHANNELS:
2154                 return put_user((s->sctrl & SCTRL_P1SMB) ? 2 : 1, p);
2155
2156         case SOUND_PCM_READ_BITS:
2157                 return put_user((s->sctrl & SCTRL_P1SEB) ? 16 : 8, p);
2158
2159         case SOUND_PCM_WRITE_FILTER:
2160         case SNDCTL_DSP_SETSYNCRO:
2161         case SOUND_PCM_READ_FILTER:
2162                 return -EINVAL;
2163
2164         }
2165         return mixer_ioctl(s, cmd, arg);
2166 }
2167
2168 static int es1370_open_dac(struct inode *inode, struct file *file)
2169 {
2170         unsigned int minor = iminor(inode);
2171         DECLARE_WAITQUEUE(wait, current);
2172         unsigned long flags;
2173         struct list_head *list;
2174         struct es1370_state *s;
2175
2176         for (list = devs.next; ; list = list->next) {
2177                 if (list == &devs)
2178                         return -ENODEV;
2179                 s = list_entry(list, struct es1370_state, devs);
2180                 if (!((s->dev_dac ^ minor) & ~0xf))
2181                         break;
2182         }
2183         VALIDATE_STATE(s);
2184         /* we allow opening with O_RDWR, most programs do it although they will only write */
2185 #if 0
2186         if (file->f_mode & FMODE_READ)
2187                 return -EPERM;
2188 #endif
2189         if (!(file->f_mode & FMODE_WRITE))
2190                 return -EINVAL;
2191         file->private_data = s;
2192         /* wait for device to become free */
2193         down(&s->open_sem);
2194         while (s->open_mode & FMODE_DAC) {
2195                 if (file->f_flags & O_NONBLOCK) {
2196                         up(&s->open_sem);
2197                         return -EBUSY;
2198                 }
2199                 add_wait_queue(&s->open_wait, &wait);
2200                 __set_current_state(TASK_INTERRUPTIBLE);
2201                 up(&s->open_sem);
2202                 schedule();
2203                 remove_wait_queue(&s->open_wait, &wait);
2204                 set_current_state(TASK_RUNNING);
2205                 if (signal_pending(current))
2206                         return -ERESTARTSYS;
2207                 down(&s->open_sem);
2208         }
2209         s->dma_dac1.ossfragshift = s->dma_dac1.ossmaxfrags = s->dma_dac1.subdivision = 0;
2210         s->dma_dac1.enabled = 1;
2211         spin_lock_irqsave(&s->lock, flags);
2212         s->ctrl = (s->ctrl & ~CTRL_WTSRSEL) | (1 << CTRL_SH_WTSRSEL);
2213         s->sctrl &= ~SCTRL_P1FMT;
2214         if ((minor & 0xf) == SND_DEV_DSP16)
2215                 s->sctrl |= ES1370_FMT_S16_MONO << SCTRL_SH_P1FMT;
2216         else
2217                 s->sctrl |= ES1370_FMT_U8_MONO << SCTRL_SH_P1FMT;
2218         outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL);
2219         outl(s->ctrl, s->io+ES1370_REG_CONTROL);
2220         spin_unlock_irqrestore(&s->lock, flags);
2221         s->open_mode |= FMODE_DAC;
2222         up(&s->open_sem);
2223         return nonseekable_open(inode, file);
2224 }
2225
2226 static int es1370_release_dac(struct inode *inode, struct file *file)
2227 {
2228         struct es1370_state *s = (struct es1370_state *)file->private_data;
2229
2230         VALIDATE_STATE(s);
2231         lock_kernel();
2232         drain_dac1(s, file->f_flags & O_NONBLOCK);
2233         down(&s->open_sem);
2234         stop_dac1(s);
2235         dealloc_dmabuf(s, &s->dma_dac1);
2236         s->open_mode &= ~FMODE_DAC;
2237         wake_up(&s->open_wait);
2238         up(&s->open_sem);
2239         unlock_kernel();
2240         return 0;
2241 }
2242
2243 static /*const*/ struct file_operations es1370_dac_fops = {
2244         .owner          = THIS_MODULE,
2245         .llseek         = no_llseek,
2246         .write          = es1370_write_dac,
2247         .poll           = es1370_poll_dac,
2248         .ioctl          = es1370_ioctl_dac,
2249         .mmap           = es1370_mmap_dac,
2250         .open           = es1370_open_dac,
2251         .release        = es1370_release_dac,
2252 };
2253
2254 /* --------------------------------------------------------------------- */
2255
2256 static ssize_t es1370_midi_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos)
2257 {
2258         struct es1370_state *s = (struct es1370_state *)file->private_data;
2259         DECLARE_WAITQUEUE(wait, current);
2260         ssize_t ret;
2261         unsigned long flags;
2262         unsigned ptr;
2263         int cnt;
2264
2265         VALIDATE_STATE(s);
2266         if (!access_ok(VERIFY_WRITE, buffer, count))
2267                 return -EFAULT;
2268         if (count == 0)
2269                 return 0;
2270         ret = 0;
2271         add_wait_queue(&s->midi.iwait, &wait);
2272         while (count > 0) {
2273                 spin_lock_irqsave(&s->lock, flags);
2274                 ptr = s->midi.ird;
2275                 cnt = MIDIINBUF - ptr;
2276                 if (s->midi.icnt < cnt)
2277                         cnt = s->midi.icnt;
2278                 if (cnt <= 0)
2279                         __set_current_state(TASK_INTERRUPTIBLE);
2280                 spin_unlock_irqrestore(&s->lock, flags);
2281                 if (cnt > count)
2282                         cnt = count;
2283                 if (cnt <= 0) {
2284                         if (file->f_flags & O_NONBLOCK) {
2285                                 if (!ret)
2286                                         ret = -EAGAIN;
2287                                 break;
2288                         }
2289                         schedule();
2290                         if (signal_pending(current)) {
2291                                 if (!ret)
2292                                         ret = -ERESTARTSYS;
2293                                 break;
2294                         }
2295                         continue;
2296                 }
2297                 if (copy_to_user(buffer, s->midi.ibuf + ptr, cnt)) {
2298                         if (!ret)
2299                                 ret = -EFAULT;
2300                         break;
2301                 }
2302                 ptr = (ptr + cnt) % MIDIINBUF;
2303                 spin_lock_irqsave(&s->lock, flags);
2304                 s->midi.ird = ptr;
2305                 s->midi.icnt -= cnt;
2306                 spin_unlock_irqrestore(&s->lock, flags);
2307                 count -= cnt;
2308                 buffer += cnt;
2309                 ret += cnt;
2310                 break;
2311         }
2312         __set_current_state(TASK_RUNNING);
2313         remove_wait_queue(&s->midi.iwait, &wait);
2314         return ret;
2315 }
2316
2317 static ssize_t es1370_midi_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos)
2318 {
2319         struct es1370_state *s = (struct es1370_state *)file->private_data;
2320         DECLARE_WAITQUEUE(wait, current);
2321         ssize_t ret;
2322         unsigned long flags;
2323         unsigned ptr;
2324         int cnt;
2325
2326         VALIDATE_STATE(s);
2327         if (!access_ok(VERIFY_READ, buffer, count))
2328                 return -EFAULT;
2329         if (count == 0)
2330                 return 0;
2331         ret = 0;
2332         add_wait_queue(&s->midi.owait, &wait);
2333         while (count > 0) {
2334                 spin_lock_irqsave(&s->lock, flags);
2335                 ptr = s->midi.owr;
2336                 cnt = MIDIOUTBUF - ptr;
2337                 if (s->midi.ocnt + cnt > MIDIOUTBUF)
2338                         cnt = MIDIOUTBUF - s->midi.ocnt;
2339                 if (cnt <= 0) {
2340                         __set_current_state(TASK_INTERRUPTIBLE);
2341                         es1370_handle_midi(s);
2342                 }
2343                 spin_unlock_irqrestore(&s->lock, flags);
2344                 if (cnt > count)
2345                         cnt = count;
2346                 if (cnt <= 0) {
2347                         if (file->f_flags & O_NONBLOCK) {
2348                                 if (!ret)
2349                                         ret = -EAGAIN;
2350                                 break;
2351                         }
2352                         schedule();
2353                         if (signal_pending(current)) {
2354                                 if (!ret)
2355                                         ret = -ERESTARTSYS;
2356                                 break;
2357                         }
2358                         continue;
2359                 }
2360                 if (copy_from_user(s->midi.obuf + ptr, buffer, cnt)) {
2361                         if (!ret)
2362                                 ret = -EFAULT;
2363                         break;
2364                 }
2365                 ptr = (ptr + cnt) % MIDIOUTBUF;
2366                 spin_lock_irqsave(&s->lock, flags);
2367                 s->midi.owr = ptr;
2368                 s->midi.ocnt += cnt;
2369                 spin_unlock_irqrestore(&s->lock, flags);
2370                 count -= cnt;
2371                 buffer += cnt;
2372                 ret += cnt;
2373                 spin_lock_irqsave(&s->lock, flags);
2374                 es1370_handle_midi(s);
2375                 spin_unlock_irqrestore(&s->lock, flags);
2376         }
2377         __set_current_state(TASK_RUNNING);
2378         remove_wait_queue(&s->midi.owait, &wait);
2379         return ret;
2380 }
2381
2382 /* No kernel lock - we have our own spinlock */
2383 static unsigned int es1370_midi_poll(struct file *file, struct poll_table_struct *wait)
2384 {
2385         struct es1370_state *s = (struct es1370_state *)file->private_data;
2386         unsigned long flags;
2387         unsigned int mask = 0;
2388
2389         VALIDATE_STATE(s);
2390         if (file->f_mode & FMODE_WRITE)
2391                 poll_wait(file, &s->midi.owait, wait);
2392         if (file->f_mode & FMODE_READ)
2393                 poll_wait(file, &s->midi.iwait, wait);
2394         spin_lock_irqsave(&s->lock, flags);
2395         if (file->f_mode & FMODE_READ) {
2396                 if (s->midi.icnt > 0)
2397                         mask |= POLLIN | POLLRDNORM;
2398         }
2399         if (file->f_mode & FMODE_WRITE) {
2400                 if (s->midi.ocnt < MIDIOUTBUF)
2401                         mask |= POLLOUT | POLLWRNORM;
2402         }
2403         spin_unlock_irqrestore(&s->lock, flags);
2404         return mask;
2405 }
2406
2407 static int es1370_midi_open(struct inode *inode, struct file *file)
2408 {
2409         unsigned int minor = iminor(inode);
2410         DECLARE_WAITQUEUE(wait, current);
2411         unsigned long flags;
2412         struct list_head *list;
2413         struct es1370_state *s;
2414
2415         for (list = devs.next; ; list = list->next) {
2416                 if (list == &devs)
2417                         return -ENODEV;
2418                 s = list_entry(list, struct es1370_state, devs);
2419                 if (s->dev_midi == minor)
2420                         break;
2421         }
2422         VALIDATE_STATE(s);
2423         file->private_data = s;
2424         /* wait for device to become free */
2425         down(&s->open_sem);
2426         while (s->open_mode & (file->f_mode << FMODE_MIDI_SHIFT)) {
2427                 if (file->f_flags & O_NONBLOCK) {
2428                         up(&s->open_sem);
2429                         return -EBUSY;
2430                 }
2431                 add_wait_queue(&s->open_wait, &wait);
2432                 __set_current_state(TASK_INTERRUPTIBLE);
2433                 up(&s->open_sem);
2434                 schedule();
2435                 remove_wait_queue(&s->open_wait, &wait);
2436                 set_current_state(TASK_RUNNING);
2437                 if (signal_pending(current))
2438                         return -ERESTARTSYS;
2439                 down(&s->open_sem);
2440         }
2441         spin_lock_irqsave(&s->lock, flags);
2442         if (!(s->open_mode & (FMODE_MIDI_READ | FMODE_MIDI_WRITE))) {
2443                 s->midi.ird = s->midi.iwr = s->midi.icnt = 0;
2444                 s->midi.ord = s->midi.owr = s->midi.ocnt = 0;
2445                 outb(UCTRL_CNTRL_SWR, s->io+ES1370_REG_UART_CONTROL);
2446                 outb(0, s->io+ES1370_REG_UART_CONTROL);
2447                 outb(0, s->io+ES1370_REG_UART_TEST);
2448         }
2449         if (file->f_mode & FMODE_READ) {
2450                 s->midi.ird = s->midi.iwr = s->midi.icnt = 0;
2451         }
2452         if (file->f_mode & FMODE_WRITE) {
2453                 s->midi.ord = s->midi.owr = s->midi.ocnt = 0;
2454         }
2455         s->ctrl |= CTRL_UART_EN;
2456         outl(s->ctrl, s->io+ES1370_REG_CONTROL);
2457         es1370_handle_midi(s);
2458         spin_unlock_irqrestore(&s->lock, flags);
2459         s->open_mode |= (file->f_mode << FMODE_MIDI_SHIFT) & (FMODE_MIDI_READ | FMODE_MIDI_WRITE);
2460         up(&s->open_sem);
2461         return nonseekable_open(inode, file);
2462 }
2463
2464 static int es1370_midi_release(struct inode *inode, struct file *file)
2465 {
2466         struct es1370_state *s = (struct es1370_state *)file->private_data;
2467         DECLARE_WAITQUEUE(wait, current);
2468         unsigned long flags;
2469         unsigned count, tmo;
2470
2471         VALIDATE_STATE(s);
2472
2473         lock_kernel();
2474         if (file->f_mode & FMODE_WRITE) {
2475                 add_wait_queue(&s->midi.owait, &wait);
2476                 for (;;) {
2477                         __set_current_state(TASK_INTERRUPTIBLE);
2478                         spin_lock_irqsave(&s->lock, flags);
2479                         count = s->midi.ocnt;
2480                         spin_unlock_irqrestore(&s->lock, flags);
2481                         if (count <= 0)
2482                                 break;
2483                         if (signal_pending(current))
2484                                 break;
2485                         if (file->f_flags & O_NONBLOCK)
2486                                 break;
2487                         tmo = (count * HZ) / 3100;
2488                         if (!schedule_timeout(tmo ? : 1) && tmo)
2489                                 DBG(printk(KERN_DEBUG "es1370: midi timed out??\n");)
2490                 }
2491                 remove_wait_queue(&s->midi.owait, &wait);
2492                 set_current_state(TASK_RUNNING);
2493         }
2494         down(&s->open_sem);
2495         s->open_mode &= ~((file->f_mode << FMODE_MIDI_SHIFT) & (FMODE_MIDI_READ|FMODE_MIDI_WRITE));
2496         spin_lock_irqsave(&s->lock, flags);
2497         if (!(s->open_mode & (FMODE_MIDI_READ | FMODE_MIDI_WRITE))) {
2498                 s->ctrl &= ~CTRL_UART_EN;
2499                 outl(s->ctrl, s->io+ES1370_REG_CONTROL);
2500         }
2501         spin_unlock_irqrestore(&s->lock, flags);
2502         wake_up(&s->open_wait);
2503         up(&s->open_sem);
2504         unlock_kernel();
2505         return 0;
2506 }
2507
2508 static /*const*/ struct file_operations es1370_midi_fops = {
2509         .owner          = THIS_MODULE,
2510         .llseek         = no_llseek,
2511         .read           = es1370_midi_read,
2512         .write          = es1370_midi_write,
2513         .poll           = es1370_midi_poll,
2514         .open           = es1370_midi_open,
2515         .release        = es1370_midi_release,
2516 };
2517
2518 /* --------------------------------------------------------------------- */
2519
2520 /* maximum number of devices; only used for command line params */
2521 #define NR_DEVICE 5
2522
2523 static int lineout[NR_DEVICE];
2524 static int micbias[NR_DEVICE];
2525
2526 static unsigned int devindex;
2527
2528 module_param_array(lineout, bool, NULL, 0);
2529 MODULE_PARM_DESC(lineout, "if 1 the LINE input is converted to LINE out");
2530 module_param_array(micbias, bool, NULL, 0);
2531 MODULE_PARM_DESC(micbias, "sets the +5V bias for an electret microphone");
2532
2533 MODULE_AUTHOR("Thomas M. Sailer, sailer@ife.ee.ethz.ch, hb9jnx@hb9w.che.eu");
2534 MODULE_DESCRIPTION("ES1370 AudioPCI Driver");
2535 MODULE_LICENSE("GPL");
2536
2537
2538 /* --------------------------------------------------------------------- */
2539
2540 static struct initvol {
2541         int mixch;
2542         int vol;
2543 } initvol[] __devinitdata = {
2544         { SOUND_MIXER_WRITE_VOLUME, 0x4040 },
2545         { SOUND_MIXER_WRITE_PCM, 0x4040 },
2546         { SOUND_MIXER_WRITE_SYNTH, 0x4040 },
2547         { SOUND_MIXER_WRITE_CD, 0x4040 },
2548         { SOUND_MIXER_WRITE_LINE, 0x4040 },
2549         { SOUND_MIXER_WRITE_LINE1, 0x4040 },
2550         { SOUND_MIXER_WRITE_LINE2, 0x4040 },
2551         { SOUND_MIXER_WRITE_LINE3, 0x4040 },
2552         { SOUND_MIXER_WRITE_MIC, 0x4040 },
2553         { SOUND_MIXER_WRITE_OGAIN, 0x4040 }
2554 };
2555
2556 static int __devinit es1370_probe(struct pci_dev *pcidev, const struct pci_device_id *pciid)
2557 {
2558         struct es1370_state *s;
2559         struct gameport *gp = NULL;
2560         mm_segment_t fs;
2561         int i, val, ret;
2562
2563         if ((ret=pci_enable_device(pcidev)))
2564                 return ret;
2565
2566         if ( !(pci_resource_flags(pcidev, 0) & IORESOURCE_IO) ||
2567              !pci_resource_start(pcidev, 0)
2568         )
2569                 return -ENODEV;
2570         if (pcidev->irq == 0)
2571                 return -ENODEV;
2572         i = pci_set_dma_mask(pcidev, 0xffffffff);
2573         if (i) {
2574                 printk(KERN_WARNING "es1370: architecture does not support 32bit PCI busmaster DMA\n");
2575                 return i;
2576         }
2577         if (!(s = kmalloc(sizeof(struct es1370_state), GFP_KERNEL))) {
2578                 printk(KERN_WARNING "es1370: out of memory\n");
2579                 return -ENOMEM;
2580         }
2581         memset(s, 0, sizeof(struct es1370_state));
2582         init_waitqueue_head(&s->dma_adc.wait);
2583         init_waitqueue_head(&s->dma_dac1.wait);
2584         init_waitqueue_head(&s->dma_dac2.wait);
2585         init_waitqueue_head(&s->open_wait);
2586         init_waitqueue_head(&s->midi.iwait);
2587         init_waitqueue_head(&s->midi.owait);
2588         init_MUTEX(&s->open_sem);
2589         spin_lock_init(&s->lock);
2590         s->magic = ES1370_MAGIC;
2591         s->dev = pcidev;
2592         s->io = pci_resource_start(pcidev, 0);
2593         s->irq = pcidev->irq;
2594         if (!request_region(s->io, ES1370_EXTENT, "es1370")) {
2595                 printk(KERN_ERR "es1370: io ports %#lx-%#lx in use\n", s->io, s->io+ES1370_EXTENT-1);
2596                 ret = -EBUSY;
2597                 goto err_region;
2598         }
2599         if ((ret=request_irq(s->irq, es1370_interrupt, SA_SHIRQ, "es1370",s))) {
2600                 printk(KERN_ERR "es1370: irq %u in use\n", s->irq);
2601                 goto err_irq;
2602         }
2603
2604         /* initialize codec registers */
2605         /* note: setting CTRL_SERR_DIS is reported to break
2606          * mic bias setting (by Kim.Berts@fisub.mail.abb.com) */
2607         s->ctrl = CTRL_CDC_EN | (DAC2_SRTODIV(8000) << CTRL_SH_PCLKDIV) | (1 << CTRL_SH_WTSRSEL);
2608         if (!request_region(0x200, JOY_EXTENT, "es1370")) {
2609                 printk(KERN_ERR "es1370: joystick io port 0x200 in use\n");
2610         } else if (!(s->gameport = gp = gameport_allocate_port())) {
2611                 printk(KERN_ERR "es1370: can not allocate memory for gameport\n");
2612                 release_region(0x200, JOY_EXTENT);
2613         } else {
2614                 gameport_set_name(gp, "ESS1370");
2615                 gameport_set_phys(gp, "pci%s/gameport0", pci_name(s->dev));
2616                 gp->dev.parent = &s->dev->dev;
2617                 gp->io = 0x200;
2618                 s->ctrl |= CTRL_JYSTK_EN;
2619         }
2620         if (lineout[devindex])
2621                 s->ctrl |= CTRL_XCTL0;
2622         if (micbias[devindex])
2623                 s->ctrl |= CTRL_XCTL1;
2624         s->sctrl = 0;
2625         printk(KERN_INFO "es1370: found adapter at io %#lx irq %u\n"
2626                KERN_INFO "es1370: features: joystick %s, line %s, mic impedance %s\n",
2627                s->io, s->irq, (s->ctrl & CTRL_JYSTK_EN) ? "on" : "off",
2628                (s->ctrl & CTRL_XCTL0) ? "out" : "in",
2629                        (s->ctrl & CTRL_XCTL1) ? "1" : "0");
2630         /* register devices */
2631         if ((s->dev_audio = register_sound_dsp(&es1370_audio_fops, -1)) < 0) {
2632                 ret = s->dev_audio;
2633                 goto err_dev1;
2634         }
2635         if ((s->dev_mixer = register_sound_mixer(&es1370_mixer_fops, -1)) < 0) {
2636                 ret = s->dev_mixer;
2637                 goto err_dev2;
2638         }
2639         if ((s->dev_dac = register_sound_dsp(&es1370_dac_fops, -1)) < 0) {
2640                 ret = s->dev_dac;
2641                 goto err_dev3;
2642         }
2643         if ((s->dev_midi = register_sound_midi(&es1370_midi_fops, -1)) < 0) {
2644                 ret = s->dev_midi;
2645                 goto err_dev4;
2646         }
2647         /* initialize the chips */
2648         outl(s->ctrl, s->io+ES1370_REG_CONTROL);
2649         outl(s->sctrl, s->io+ES1370_REG_SERIAL_CONTROL);
2650         /* point phantom write channel to "bugbuf" */
2651         s->bugbuf_cpu = pci_alloc_consistent(pcidev,16,&s->bugbuf_dma);
2652         if (!s->bugbuf_cpu) {
2653                 ret = -ENOMEM;
2654                 goto err_dev5;
2655         }
2656         outl((ES1370_REG_PHANTOM_FRAMEADR >> 8) & 15, s->io+ES1370_REG_MEMPAGE);
2657         outl(s->bugbuf_dma, s->io+(ES1370_REG_PHANTOM_FRAMEADR & 0xff));
2658         outl(0, s->io+(ES1370_REG_PHANTOM_FRAMECNT & 0xff));
2659         pci_set_master(pcidev);  /* enable bus mastering */
2660         wrcodec(s, 0x16, 3); /* no RST, PD */
2661         wrcodec(s, 0x17, 0); /* CODEC ADC and CODEC DAC use {LR,B}CLK2 and run off the LRCLK2 PLL; program DAC_SYNC=0!!  */
2662         wrcodec(s, 0x18, 0); /* recording source is mixer */
2663         wrcodec(s, 0x19, s->mix.micpreamp = 1); /* turn on MIC preamp */
2664         s->mix.imix = 1;
2665         fs = get_fs();
2666         set_fs(KERNEL_DS);
2667         val = SOUND_MASK_LINE|SOUND_MASK_SYNTH|SOUND_MASK_CD;
2668         mixer_ioctl(s, SOUND_MIXER_WRITE_RECSRC, (unsigned long)&val);
2669         for (i = 0; i < sizeof(initvol)/sizeof(initvol[0]); i++) {
2670                 val = initvol[i].vol;
2671                 mixer_ioctl(s, initvol[i].mixch, (unsigned long)&val);
2672         }
2673         set_fs(fs);
2674
2675         /* register gameport */
2676         if (gp)
2677                 gameport_register_port(gp);
2678
2679         /* store it in the driver field */
2680         pci_set_drvdata(pcidev, s);
2681         /* put it into driver list */
2682         list_add_tail(&s->devs, &devs);
2683         /* increment devindex */
2684         if (devindex < NR_DEVICE-1)
2685                 devindex++;
2686         return 0;
2687
2688  err_dev5:
2689         unregister_sound_midi(s->dev_midi);
2690  err_dev4:
2691         unregister_sound_dsp(s->dev_dac);
2692  err_dev3:
2693         unregister_sound_mixer(s->dev_mixer);
2694  err_dev2:
2695         unregister_sound_dsp(s->dev_audio);
2696  err_dev1:
2697         printk(KERN_ERR "es1370: cannot register misc device\n");
2698         free_irq(s->irq, s);
2699         if (s->gameport) {
2700                 release_region(s->gameport->io, JOY_EXTENT);
2701                 gameport_free_port(s->gameport);
2702         }
2703  err_irq:
2704         release_region(s->io, ES1370_EXTENT);
2705  err_region:
2706         kfree(s);
2707         return ret;
2708 }
2709
2710 static void __devexit es1370_remove(struct pci_dev *dev)
2711 {
2712         struct es1370_state *s = pci_get_drvdata(dev);
2713
2714         if (!s)
2715                 return;
2716         list_del(&s->devs);
2717         outl(CTRL_SERR_DIS | (1 << CTRL_SH_WTSRSEL), s->io+ES1370_REG_CONTROL); /* switch everything off */
2718         outl(0, s->io+ES1370_REG_SERIAL_CONTROL); /* clear serial interrupts */
2719         synchronize_irq(s->irq);
2720         free_irq(s->irq, s);
2721         if (s->gameport) {
2722                 int gpio = s->gameport->io;
2723                 gameport_unregister_port(s->gameport);
2724                 release_region(gpio, JOY_EXTENT);
2725         }
2726         release_region(s->io, ES1370_EXTENT);
2727         unregister_sound_dsp(s->dev_audio);
2728         unregister_sound_mixer(s->dev_mixer);
2729         unregister_sound_dsp(s->dev_dac);
2730         unregister_sound_midi(s->dev_midi);
2731         pci_free_consistent(dev, 16, s->bugbuf_cpu, s->bugbuf_dma);
2732         kfree(s);
2733         pci_set_drvdata(dev, NULL);
2734 }
2735
2736 static struct pci_device_id id_table[] = {
2737         { PCI_VENDOR_ID_ENSONIQ, PCI_DEVICE_ID_ENSONIQ_ES1370, PCI_ANY_ID, PCI_ANY_ID, 0, 0 },
2738         { 0, }
2739 };
2740
2741 MODULE_DEVICE_TABLE(pci, id_table);
2742
2743 static struct pci_driver es1370_driver = {
2744         .name           = "es1370",
2745         .id_table       = id_table,
2746         .probe          = es1370_probe,
2747         .remove         = __devexit_p(es1370_remove),
2748 };
2749
2750 static int __init init_es1370(void)
2751 {
2752         printk(KERN_INFO "es1370: version v0.38 time " __TIME__ " " __DATE__ "\n");
2753         return pci_module_init(&es1370_driver);
2754 }
2755
2756 static void __exit cleanup_es1370(void)
2757 {
2758         printk(KERN_INFO "es1370: unloading\n");
2759         pci_unregister_driver(&es1370_driver);
2760 }
2761
2762 module_init(init_es1370);
2763 module_exit(cleanup_es1370);
2764
2765 /* --------------------------------------------------------------------- */
2766
2767 #ifndef MODULE
2768
2769 /* format is: es1370=lineout[,micbias]] */
2770
2771 static int __init es1370_setup(char *str)
2772 {
2773         static unsigned __initdata nr_dev = 0;
2774
2775         if (nr_dev >= NR_DEVICE)
2776                 return 0;
2777
2778         (void)
2779         ((get_option(&str,&lineout [nr_dev]) == 2)
2780          && get_option(&str,&micbias [nr_dev])
2781         );
2782
2783         nr_dev++;
2784         return 1;
2785 }
2786
2787 __setup("es1370=", es1370_setup);
2788
2789 #endif /* MODULE */