The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/dev/sound/pci/vibes.c

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    1 /*-
    2  * Copyright (c) 2001 Orion Hodson <O.Hodson@cs.ucl.ac.uk>
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  *
   26  * This card has the annoying habit of "clicking" when attached and
   27  * detached, haven't been able to remedy this with any combination of
   28  * muting.
   29  */
   30 
   31 #include <dev/sound/pcm/sound.h>
   32 #include <dev/sound/pci/vibes.h>
   33 
   34 #include <dev/pci/pcireg.h>
   35 #include <dev/pci/pcivar.h>
   36 
   37 #include "mixer_if.h"
   38 
   39 SND_DECLARE_FILE("$FreeBSD$");
   40 
   41 /* ------------------------------------------------------------------------- */
   42 /* Constants */
   43 
   44 #define SV_PCI_ID               0xca005333
   45 #define SV_DEFAULT_BUFSZ        16384
   46 #define SV_MIN_BLKSZ            128
   47 #define SV_INTR_PER_BUFFER      2
   48 
   49 #ifndef DEB
   50 #define DEB(x) /* (x) */
   51 #endif
   52 
   53 /* ------------------------------------------------------------------------- */
   54 /* Structures */
   55 
   56 struct sc_info;
   57 
   58 struct sc_chinfo {
   59         struct sc_info  *parent;
   60         struct pcm_channel      *channel;
   61         struct snd_dbuf *buffer;
   62         u_int32_t       fmt, spd;
   63         int             dir;
   64         int             dma_active, dma_was_active;
   65 };
   66 
   67 struct sc_info {
   68         device_t                dev;
   69 
   70         /* DMA buffer allocator */
   71         bus_dma_tag_t           parent_dmat;
   72 
   73         /* Enhanced register resources */
   74         struct resource         *enh_reg;
   75         bus_space_tag_t         enh_st;
   76         bus_space_handle_t      enh_sh;
   77         int                     enh_type;
   78         int                     enh_rid;
   79 
   80         /* DMA configuration */
   81         struct resource         *dmaa_reg, *dmac_reg;
   82         bus_space_tag_t         dmaa_st, dmac_st;
   83         bus_space_handle_t      dmaa_sh, dmac_sh;
   84         int                     dmaa_type, dmac_type;
   85         int                     dmaa_rid, dmac_rid;
   86 
   87         /* Interrupt resources */
   88         struct resource         *irq;
   89         int                     irqid;
   90         void                    *ih;
   91 
   92         /* User configurable buffer size */
   93         unsigned int            bufsz;
   94 
   95         struct sc_chinfo        rch, pch;
   96         u_int8_t                rev;
   97 };
   98 
   99 static u_int32_t sc_fmt[] = {
  100         AFMT_U8,
  101         AFMT_U8 | AFMT_STEREO,
  102         AFMT_S16_LE,
  103         AFMT_S16_LE | AFMT_STEREO,
  104         0
  105 };
  106 
  107 static struct pcmchan_caps sc_caps = {8000, 48000, sc_fmt, 0};
  108 
  109 /* ------------------------------------------------------------------------- */
  110 /* Register Manipulations */
  111 
  112 #define sv_direct_set(x, y, z) _sv_direct_set(x, y, z, __LINE__)
  113 
  114 static u_int8_t
  115 sv_direct_get(struct sc_info *sc, u_int8_t reg)
  116 {
  117         return bus_space_read_1(sc->enh_st, sc->enh_sh, reg);
  118 }
  119 
  120 static void
  121 _sv_direct_set(struct sc_info *sc, u_int8_t reg, u_int8_t val, int line)
  122 {
  123         u_int8_t n;
  124         bus_space_write_1(sc->enh_st, sc->enh_sh, reg, val);
  125 
  126         n = sv_direct_get(sc, reg);
  127         if (n != val) {
  128                 device_printf(sc->dev, "sv_direct_set register 0x%02x %d != %d from line %d\n", reg, n, val, line);
  129         }
  130 }
  131 
  132 static u_int8_t
  133 sv_indirect_get(struct sc_info *sc, u_int8_t reg)
  134 {
  135         if (reg == SV_REG_FORMAT || reg == SV_REG_ANALOG_PWR)
  136                 reg |= SV_CM_INDEX_MCE;
  137 
  138         bus_space_write_1(sc->enh_st, sc->enh_sh, SV_CM_INDEX, reg);
  139         return bus_space_read_1(sc->enh_st, sc->enh_sh, SV_CM_DATA);
  140 }
  141 
  142 #define sv_indirect_set(x, y, z) _sv_indirect_set(x, y, z, __LINE__)
  143 
  144 static void
  145 _sv_indirect_set(struct sc_info *sc, u_int8_t reg, u_int8_t val, int line)
  146 {
  147         if (reg == SV_REG_FORMAT || reg == SV_REG_ANALOG_PWR)
  148                 reg |= SV_CM_INDEX_MCE;
  149 
  150         bus_space_write_1(sc->enh_st, sc->enh_sh, SV_CM_INDEX, reg);
  151         bus_space_write_1(sc->enh_st, sc->enh_sh, SV_CM_DATA, val);
  152 
  153         reg &= ~SV_CM_INDEX_MCE;
  154         if (reg != SV_REG_ADC_PLLM) {
  155                 u_int8_t n;
  156                 n = sv_indirect_get(sc, reg);
  157                 if (n != val) {
  158                         device_printf(sc->dev, "sv_indirect_set register 0x%02x %d != %d line %d\n", reg, n, val, line);
  159                 }
  160         }
  161 }
  162 
  163 static void
  164 sv_dma_set_config(bus_space_tag_t st, bus_space_handle_t sh,
  165                   u_int32_t base, u_int32_t count, u_int8_t mode)
  166 {
  167         bus_space_write_4(st, sh, SV_DMA_ADDR, base);
  168         bus_space_write_4(st, sh, SV_DMA_COUNT, count & 0xffffff);
  169         bus_space_write_1(st, sh, SV_DMA_MODE, mode);
  170 
  171         DEB(printf("base 0x%08x count %5d mode 0x%02x\n",
  172                    base, count, mode));
  173 }
  174 
  175 static u_int32_t
  176 sv_dma_get_count(bus_space_tag_t st, bus_space_handle_t sh)
  177 {
  178         return bus_space_read_4(st, sh, SV_DMA_COUNT) & 0xffffff;
  179 }
  180 
  181 /* ------------------------------------------------------------------------- */
  182 /* Play / Record Common Interface */
  183 
  184 static void *
  185 svchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
  186 {
  187         struct sc_info          *sc = devinfo;
  188         struct sc_chinfo        *ch;
  189         ch = (dir == PCMDIR_PLAY) ? &sc->pch : &sc->rch;
  190 
  191         ch->parent = sc;
  192         ch->channel = c;
  193         ch->dir = dir;
  194 
  195         if (sndbuf_alloc(b, sc->parent_dmat, sc->bufsz) != 0) {
  196                 DEB(printf("svchan_init failed\n"));
  197                 return NULL;
  198         }
  199         ch->buffer = b;
  200         ch->fmt = AFMT_U8;
  201         ch->spd = DSP_DEFAULT_SPEED;
  202         ch->dma_active = ch->dma_was_active = 0;
  203 
  204         return ch;
  205 }
  206 
  207 static struct pcmchan_caps *
  208 svchan_getcaps(kobj_t obj, void *data)
  209 {
  210         return &sc_caps;
  211 }
  212 
  213 static int
  214 svchan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
  215 {
  216         struct sc_chinfo *ch = data;
  217         struct sc_info *sc = ch->parent;
  218 
  219         /* user has requested interrupts every blocksize bytes */
  220         RANGE(blocksize, SV_MIN_BLKSZ, sc->bufsz / SV_INTR_PER_BUFFER);
  221         sndbuf_resize(ch->buffer, SV_INTR_PER_BUFFER, blocksize);
  222         DEB(printf("svchan_setblocksize: %d\n", blocksize));
  223         return blocksize;
  224 }
  225 
  226 static int
  227 svchan_setformat(kobj_t obj, void *data, u_int32_t format)
  228 {
  229         struct sc_chinfo *ch = data;
  230         /* NB Just note format here as setting format register
  231          * generates noise if dma channel is inactive. */
  232         ch->fmt  = (format & AFMT_STEREO) ? SV_AFMT_STEREO : SV_AFMT_MONO;
  233         ch->fmt |= (format & AFMT_16BIT) ? SV_AFMT_S16 : SV_AFMT_U8;
  234         return 0;
  235 }
  236 
  237 static int
  238 svchan_setspeed(kobj_t obj, void *data, u_int32_t speed)
  239 {
  240         struct sc_chinfo *ch = data;
  241         RANGE(speed, 8000, 48000);
  242         ch->spd = speed;
  243         return speed;
  244 }
  245 
  246 /* ------------------------------------------------------------------------- */
  247 /* Recording interface */
  248 
  249 static int
  250 sv_set_recspeed(struct sc_info *sc, u_int32_t speed)
  251 {
  252         u_int32_t       f_out, f_actual;
  253         u_int32_t       rs, re, r, best_r = 0, r2, t, n, best_n = 0;
  254         int32_t         m, best_m = 0, ms, me, err, min_err;
  255 
  256         /* This algorithm is a variant described in sonicvibes.pdf
  257          * appendix A.  This search is marginally more extensive and
  258          * results in (nominally) better sample rate matching. */
  259 
  260         f_out = SV_F_SCALE * speed;
  261         min_err = 0x7fffffff;
  262 
  263         /* Find bounds of r to examine, rs <= r <= re */
  264         t = 80000000 / f_out;
  265         for (rs = 1; (1 << rs) < t; rs++);
  266 
  267         t = 150000000 / f_out;
  268         for (re = 1; (2 << re) < t; re++);
  269         if (re > 7) re = 7;
  270 
  271         /* Search over r, n, m */
  272         for (r = rs; r <= re; r++) {
  273                 r2 = (1 << r);
  274                 for (n = 3; n < 34; n++) {
  275                         m = f_out * n / (SV_F_REF / r2);
  276                         ms = (m > 3) ? (m - 1) : 3;
  277                         me = (m < 129) ? (m + 1) : 129;
  278                         for (m = ms; m <= me; m++) {
  279                                 f_actual = m * SV_F_REF / (n * r2);
  280                                 if (f_actual > f_out) {
  281                                         err = f_actual - f_out;
  282                                 } else {
  283                                         err = f_out - f_actual;
  284                                 }
  285                                 if (err < min_err) {
  286                                         best_r = r;
  287                                         best_m = m - 2;
  288                                         best_n = n - 2;
  289                                         min_err = err;
  290                                         if (err == 0) break;
  291                                 }
  292                         }
  293                 }
  294         }
  295 
  296         sv_indirect_set(sc, SV_REG_ADC_PLLM, best_m);
  297         sv_indirect_set(sc, SV_REG_ADC_PLLN,
  298                         SV_ADC_PLLN(best_n) | SV_ADC_PLLR(best_r));
  299         DEB(printf("svrchan_setspeed: %d -> PLLM 0x%02x PLLNR 0x%08x\n",
  300                    speed,
  301                    sv_indirect_get(sc, SV_REG_ADC_PLLM),
  302                    sv_indirect_get(sc, SV_REG_ADC_PLLN)));
  303         return 0;
  304 }
  305 
  306 static int
  307 svrchan_trigger(kobj_t obj, void *data, int go)
  308 {
  309         struct sc_chinfo        *ch = data;
  310         struct sc_info          *sc = ch->parent;
  311         u_int32_t               count, enable;
  312         u_int8_t                v;
  313 
  314         switch(go) {
  315         case PCMTRIG_START:
  316                 /* Set speed */
  317                 sv_set_recspeed(sc, ch->spd);
  318 
  319                 /* Set format */
  320                 v  = sv_indirect_get(sc, SV_REG_FORMAT) & ~SV_AFMT_DMAC_MSK;
  321                 v |= SV_AFMT_DMAC(ch->fmt);
  322                 sv_indirect_set(sc, SV_REG_FORMAT, v);
  323 
  324                 /* Program DMA */
  325                 count = sndbuf_getsize(ch->buffer) / 2; /* DMAC uses words */
  326                 sv_dma_set_config(sc->dmac_st, sc->dmac_sh,
  327                                   sndbuf_getbufaddr(ch->buffer),
  328                                   count - 1,
  329                                   SV_DMA_MODE_AUTO | SV_DMA_MODE_RD);
  330                 count = count / SV_INTR_PER_BUFFER - 1;
  331                 sv_indirect_set(sc, SV_REG_DMAC_COUNT_HI, count >> 8);
  332                 sv_indirect_set(sc, SV_REG_DMAC_COUNT_LO, count & 0xff);
  333 
  334                 /* Enable DMA */
  335                 enable = sv_indirect_get(sc, SV_REG_ENABLE) | SV_RECORD_ENABLE;
  336                 sv_indirect_set(sc, SV_REG_ENABLE, enable);
  337                 ch->dma_active = 1;
  338                 break;
  339         case PCMTRIG_ABORT:
  340                 enable = sv_indirect_get(sc, SV_REG_ENABLE) & ~SV_RECORD_ENABLE;
  341                 sv_indirect_set(sc, SV_REG_ENABLE, enable);
  342                 ch->dma_active = 0;
  343                 break;
  344         }
  345 
  346         return 0;
  347 }
  348 
  349 static int
  350 svrchan_getptr(kobj_t obj, void *data)
  351 {
  352         struct sc_chinfo        *ch = data;
  353         struct sc_info          *sc = ch->parent;
  354         u_int32_t sz, remain;
  355 
  356         sz = sndbuf_getsize(ch->buffer);
  357         /* DMAC uses words */
  358         remain = (sv_dma_get_count(sc->dmac_st, sc->dmac_sh) + 1) * 2;
  359         return sz - remain;
  360 }
  361 
  362 static kobj_method_t svrchan_methods[] = {
  363         KOBJMETHOD(channel_init,                svchan_init),
  364         KOBJMETHOD(channel_setformat,           svchan_setformat),
  365         KOBJMETHOD(channel_setspeed,            svchan_setspeed),
  366         KOBJMETHOD(channel_setblocksize,        svchan_setblocksize),
  367         KOBJMETHOD(channel_trigger,             svrchan_trigger),
  368         KOBJMETHOD(channel_getptr,              svrchan_getptr),
  369         KOBJMETHOD(channel_getcaps,             svchan_getcaps),
  370         { 0, 0 }
  371 };
  372 CHANNEL_DECLARE(svrchan);
  373 
  374 /* ------------------------------------------------------------------------- */
  375 /* Playback interface */
  376 
  377 static int
  378 svpchan_trigger(kobj_t obj, void *data, int go)
  379 {
  380         struct sc_chinfo        *ch = data;
  381         struct sc_info          *sc = ch->parent;
  382         u_int32_t               count, enable, speed;
  383         u_int8_t                v;
  384 
  385         switch(go) {
  386         case PCMTRIG_START:
  387                 /* Set speed */
  388                 speed = (ch->spd * 65536) / 48000;
  389                 if (speed > 65535)
  390                         speed = 65535;
  391                 sv_indirect_set(sc, SV_REG_PCM_SAMPLING_HI, speed >> 8);
  392                 sv_indirect_set(sc, SV_REG_PCM_SAMPLING_LO, speed & 0xff);
  393 
  394                 /* Set format */
  395                 v  = sv_indirect_get(sc, SV_REG_FORMAT) & ~SV_AFMT_DMAA_MSK;
  396                 v |= SV_AFMT_DMAA(ch->fmt);
  397                 sv_indirect_set(sc, SV_REG_FORMAT, v);
  398 
  399                 /* Program DMA */
  400                 count = sndbuf_getsize(ch->buffer);
  401                 sv_dma_set_config(sc->dmaa_st, sc->dmaa_sh,
  402                                   sndbuf_getbufaddr(ch->buffer),
  403                                   count - 1,
  404                                   SV_DMA_MODE_AUTO | SV_DMA_MODE_WR);
  405                 count = count / SV_INTR_PER_BUFFER - 1;
  406                 sv_indirect_set(sc, SV_REG_DMAA_COUNT_HI, count >> 8);
  407                 sv_indirect_set(sc, SV_REG_DMAA_COUNT_LO, count & 0xff);
  408 
  409                 /* Enable DMA */
  410                 enable = sv_indirect_get(sc, SV_REG_ENABLE);
  411                 enable = (enable | SV_PLAY_ENABLE) & ~SV_PLAYBACK_PAUSE;
  412                 sv_indirect_set(sc, SV_REG_ENABLE, enable);
  413                 ch->dma_active = 1;
  414                 break;
  415         case PCMTRIG_ABORT:
  416                 enable = sv_indirect_get(sc, SV_REG_ENABLE) & ~SV_PLAY_ENABLE;
  417                 sv_indirect_set(sc, SV_REG_ENABLE, enable);
  418                 ch->dma_active = 0;
  419                 break;
  420         }
  421 
  422         return 0;
  423 }
  424 
  425 static int
  426 svpchan_getptr(kobj_t obj, void *data)
  427 {
  428         struct sc_chinfo        *ch = data;
  429         struct sc_info          *sc = ch->parent;
  430         u_int32_t sz, remain;
  431 
  432         sz = sndbuf_getsize(ch->buffer);
  433         /* DMAA uses bytes */
  434         remain = sv_dma_get_count(sc->dmaa_st, sc->dmaa_sh) + 1;
  435         return (sz - remain);
  436 }
  437 
  438 static kobj_method_t svpchan_methods[] = {
  439         KOBJMETHOD(channel_init,                svchan_init),
  440         KOBJMETHOD(channel_setformat,           svchan_setformat),
  441         KOBJMETHOD(channel_setspeed,            svchan_setspeed),
  442         KOBJMETHOD(channel_setblocksize,        svchan_setblocksize),
  443         KOBJMETHOD(channel_trigger,             svpchan_trigger),
  444         KOBJMETHOD(channel_getptr,              svpchan_getptr),
  445         KOBJMETHOD(channel_getcaps,             svchan_getcaps),
  446         { 0, 0 }
  447 };
  448 CHANNEL_DECLARE(svpchan);
  449 
  450 /* ------------------------------------------------------------------------- */
  451 /* Mixer support */
  452 
  453 struct sv_mix_props {
  454         u_int8_t        reg;            /* Register */
  455         u_int8_t        stereo:1;       /* Supports 2 channels */
  456         u_int8_t        mute:1;         /* Supports muting */
  457         u_int8_t        neg:1;          /* Negative gain */
  458         u_int8_t        max;            /* Max gain */
  459         u_int8_t        iselect;        /* Input selector */
  460 } static const mt [SOUND_MIXER_NRDEVICES] = {
  461         [SOUND_MIXER_LINE1]  = {SV_REG_AUX1,      1, 1, 1, SV_DEFAULT_MAX, SV_INPUT_AUX1},
  462         [SOUND_MIXER_CD]     = {SV_REG_CD,        1, 1, 1, SV_DEFAULT_MAX, SV_INPUT_CD},
  463         [SOUND_MIXER_LINE]   = {SV_REG_LINE,      1, 1, 1, SV_DEFAULT_MAX, SV_INPUT_LINE},
  464         [SOUND_MIXER_MIC]    = {SV_REG_MIC,       0, 1, 1, SV_MIC_MAX,     SV_INPUT_MIC},
  465         [SOUND_MIXER_SYNTH]  = {SV_REG_SYNTH,     0, 1, 1, SV_DEFAULT_MAX, 0},
  466         [SOUND_MIXER_LINE2]  = {SV_REG_AUX2,      1, 1, 1, SV_DEFAULT_MAX, SV_INPUT_AUX2},
  467         [SOUND_MIXER_VOLUME] = {SV_REG_MIX,       1, 1, 1, SV_DEFAULT_MAX, 0},
  468         [SOUND_MIXER_PCM]    = {SV_REG_PCM,       1, 1, 1, SV_PCM_MAX,     0},
  469         [SOUND_MIXER_RECLEV] = {SV_REG_ADC_INPUT, 1, 0, 0, SV_ADC_MAX, 0},
  470 };
  471 
  472 static void
  473 sv_channel_gain(struct sc_info *sc, u_int32_t dev, u_int32_t gain, u_int32_t channel)
  474 {
  475         u_int8_t        v;
  476         int32_t         g;
  477 
  478         g = mt[dev].max * gain / 100;
  479         if (mt[dev].neg)
  480                 g = mt[dev].max - g;
  481         v  = sv_indirect_get(sc, mt[dev].reg + channel) & ~mt[dev].max;
  482         v |= g;
  483 
  484         if (mt[dev].mute) {
  485                 if (gain == 0) {
  486                         v |= SV_MUTE;
  487                 } else {
  488                         v &= ~SV_MUTE;
  489                 }
  490         }
  491         sv_indirect_set(sc, mt[dev].reg + channel, v);
  492 }
  493 
  494 static int
  495 sv_gain(struct sc_info *sc, u_int32_t dev, u_int32_t left, u_int32_t right)
  496 {
  497         sv_channel_gain(sc, dev, left, 0);
  498         if (mt[dev].stereo)
  499                 sv_channel_gain(sc, dev, right, 1);
  500         return 0;
  501 }
  502 
  503 static void
  504 sv_mix_mute_all(struct sc_info *sc)
  505 {
  506         int32_t i;
  507         for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
  508                 if (mt[i].reg) sv_gain(sc, i, 0, 0);
  509         }
  510 }
  511 
  512 static int
  513 sv_mix_init(struct snd_mixer *m)
  514 {
  515         u_int32_t       i, v;
  516 
  517         for(i = v = 0; i < SOUND_MIXER_NRDEVICES; i++) {
  518                 if (mt[i].max) v |= (1 << i);
  519         }
  520         mix_setdevs(m, v);
  521 
  522         for(i = v = 0; i < SOUND_MIXER_NRDEVICES; i++) {
  523                 if (mt[i].iselect) v |= (1 << i);
  524         }
  525         mix_setrecdevs(m, v);
  526 
  527         return 0;
  528 }
  529 
  530 static int
  531 sv_mix_set(struct snd_mixer *m, u_int32_t dev, u_int32_t left, u_int32_t right)
  532 {
  533         struct sc_info  *sc = mix_getdevinfo(m);
  534         return sv_gain(sc, dev, left, right);
  535 }
  536 
  537 static int
  538 sv_mix_setrecsrc(struct snd_mixer *m, u_int32_t mask)
  539 {
  540         struct sc_info  *sc = mix_getdevinfo(m);
  541         u_int32_t       i, v;
  542 
  543         v = sv_indirect_get(sc, SV_REG_ADC_INPUT) & SV_INPUT_GAIN_MASK;
  544         for(i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
  545                 if ((1 << i) & mask) {
  546                         v |= mt[i].iselect;
  547                 }
  548         }
  549         DEB(printf("sv_mix_setrecsrc: mask 0x%08x adc_input 0x%02x\n", mask, v));
  550         sv_indirect_set(sc, SV_REG_ADC_INPUT, v);
  551         return mask;
  552 }
  553 
  554 static kobj_method_t sv_mixer_methods[] = {
  555         KOBJMETHOD(mixer_init,          sv_mix_init),
  556         KOBJMETHOD(mixer_set,           sv_mix_set),
  557         KOBJMETHOD(mixer_setrecsrc,     sv_mix_setrecsrc),
  558         { 0, 0 }
  559 };
  560 MIXER_DECLARE(sv_mixer);
  561 
  562 /* ------------------------------------------------------------------------- */
  563 /* Power management and reset */
  564 
  565 static void
  566 sv_power(struct sc_info *sc, int state)
  567 {
  568         u_int8_t v;
  569 
  570         switch (state) {
  571         case 0:
  572                 /* power on */
  573                 v = sv_indirect_get(sc, SV_REG_ANALOG_PWR) &~ SV_ANALOG_OFF;
  574                 v |= SV_ANALOG_OFF_SRS | SV_ANALOG_OFF_SPLL;
  575                 sv_indirect_set(sc, SV_REG_ANALOG_PWR, v);
  576                 v = sv_indirect_get(sc, SV_REG_DIGITAL_PWR) &~ SV_DIGITAL_OFF;
  577                 v |= SV_DIGITAL_OFF_SYN | SV_DIGITAL_OFF_MU | SV_DIGITAL_OFF_GP;
  578                 sv_indirect_set(sc, SV_REG_DIGITAL_PWR, v);
  579                 break;
  580         default:
  581                 /* power off */
  582                 v = sv_indirect_get(sc, SV_REG_ANALOG_PWR) | SV_ANALOG_OFF;
  583                 sv_indirect_set(sc, SV_REG_ANALOG_PWR, v);
  584                 v = sv_indirect_get(sc, SV_REG_DIGITAL_PWR) | SV_DIGITAL_OFF;
  585                 sv_indirect_set(sc, SV_REG_DIGITAL_PWR, SV_DIGITAL_OFF);
  586                 break;
  587         }
  588         DEB(printf("Power state %d\n", state));
  589 }
  590 
  591 static int
  592 sv_init(struct sc_info *sc)
  593 {
  594         u_int8_t        v;
  595 
  596         /* Effect reset */
  597         v  = sv_direct_get(sc, SV_CM_CONTROL) & ~SV_CM_CONTROL_ENHANCED;
  598         v |= SV_CM_CONTROL_RESET;
  599         sv_direct_set(sc, SV_CM_CONTROL, v);
  600         DELAY(50);
  601 
  602         v = sv_direct_get(sc, SV_CM_CONTROL) & ~SV_CM_CONTROL_RESET;
  603         sv_direct_set(sc, SV_CM_CONTROL, v);
  604         DELAY(50);
  605 
  606         /* Set in enhanced mode */
  607         v = sv_direct_get(sc, SV_CM_CONTROL);
  608         v |= SV_CM_CONTROL_ENHANCED;
  609         sv_direct_set(sc, SV_CM_CONTROL, v);
  610 
  611         /* Enable interrupts (UDM and MIDM are superfluous) */
  612         v = sv_direct_get(sc, SV_CM_IMR);
  613         v &= ~(SV_CM_IMR_AMSK | SV_CM_IMR_CMSK | SV_CM_IMR_SMSK);
  614         sv_direct_set(sc, SV_CM_IMR, v);
  615 
  616         /* Select ADC PLL for ADC clock */
  617         v = sv_indirect_get(sc, SV_REG_CLOCK_SOURCE) & ~SV_CLOCK_ALTERNATE;
  618         sv_indirect_set(sc, SV_REG_CLOCK_SOURCE, v);
  619 
  620         /* Disable loopback - binds ADC and DAC rates */
  621         v = sv_indirect_get(sc, SV_REG_LOOPBACK) & ~SV_LOOPBACK_ENABLE;
  622         sv_indirect_set(sc, SV_REG_LOOPBACK, v);
  623 
  624         /* Disable SRS */
  625         v = sv_indirect_get(sc, SV_REG_SRS_SPACE) | SV_SRS_DISABLED;
  626         sv_indirect_set(sc, SV_REG_SRS_SPACE, v);
  627 
  628         /* Get revision */
  629         sc->rev = sv_indirect_get(sc, SV_REG_REVISION);
  630 
  631         return 0;
  632 }
  633 
  634 static int
  635 sv_suspend(device_t dev)
  636 {
  637         struct sc_info  *sc = pcm_getdevinfo(dev);
  638 
  639         sc->rch.dma_was_active = sc->rch.dma_active;
  640         svrchan_trigger(NULL, &sc->rch, PCMTRIG_ABORT);
  641 
  642         sc->pch.dma_was_active = sc->pch.dma_active;
  643         svrchan_trigger(NULL, &sc->pch, PCMTRIG_ABORT);
  644 
  645         sv_mix_mute_all(sc);
  646         sv_power(sc, 3);
  647 
  648         return 0;
  649 }
  650 
  651 static int
  652 sv_resume(device_t dev)
  653 {
  654         struct sc_info  *sc = pcm_getdevinfo(dev);
  655 
  656         sv_mix_mute_all(sc);
  657         sv_power(sc, 0);
  658         if (sv_init(sc) == -1) {
  659                 device_printf(dev, "unable to reinitialize the card\n");
  660                 return ENXIO;
  661         }
  662 
  663         if (mixer_reinit(dev) == -1) {
  664                 device_printf(dev, "unable to reinitialize the mixer\n");
  665                 return ENXIO;
  666         }
  667 
  668         if (sc->rch.dma_was_active) {
  669                 svrchan_trigger(0, &sc->rch, PCMTRIG_START);
  670         }
  671 
  672         if (sc->pch.dma_was_active) {
  673                 svpchan_trigger(0, &sc->pch, PCMTRIG_START);
  674         }
  675 
  676         return 0;
  677 }
  678 
  679 /* ------------------------------------------------------------------------- */
  680 /* Resource related */
  681 
  682 static void
  683 sv_intr(void *data)
  684 {
  685         struct sc_info  *sc = data;
  686         u_int8_t        status;
  687 
  688         status = sv_direct_get(sc, SV_CM_STATUS);
  689         if (status & SV_CM_STATUS_AINT)
  690                 chn_intr(sc->pch.channel);
  691 
  692         if (status & SV_CM_STATUS_CINT)
  693                 chn_intr(sc->rch.channel);
  694 
  695         status &= ~(SV_CM_STATUS_AINT|SV_CM_STATUS_CINT);
  696         DEB(if (status) printf("intr 0x%02x ?\n", status));
  697 
  698         return;
  699 }
  700 
  701 static int
  702 sv_probe(device_t dev)
  703 {
  704         switch(pci_get_devid(dev)) {
  705         case SV_PCI_ID:
  706                 device_set_desc(dev, "S3 Sonicvibes");
  707                 return 0;
  708         default:
  709                 return ENXIO;
  710         }
  711 }
  712 
  713 static int
  714 sv_attach(device_t dev) {
  715         struct snddev_info      *d;
  716         struct sc_info  *sc;
  717         u_int32_t       data;
  718         char            status[SND_STATUSLEN];
  719         u_long          midi_start, games_start, count, sdmaa, sdmac, ml, mu;
  720 
  721         d = device_get_softc(dev);
  722 
  723         sc = malloc(sizeof(struct sc_info), M_DEVBUF, M_NOWAIT | M_ZERO);
  724         if (sc == NULL) {
  725                 device_printf(dev, "cannot allocate softc");
  726                 return ENXIO;
  727         }
  728         sc->dev = dev;
  729 
  730         data = pci_read_config(dev, PCIR_COMMAND, 2);
  731         data |= (PCIM_CMD_PORTEN|PCIM_CMD_BUSMASTEREN);
  732         pci_write_config(dev, PCIR_COMMAND, data, 2);
  733         data = pci_read_config(dev, PCIR_COMMAND, 2);
  734 
  735 #if __FreeBSD_version > 500000
  736         if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) {
  737                 device_printf(dev, "chip is in D%d power mode "
  738                               "-- setting to D0\n", pci_get_powerstate(dev));
  739                 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
  740         }
  741 #endif
  742         sc->enh_rid  = SV_PCI_ENHANCED;
  743         sc->enh_type = SYS_RES_IOPORT;
  744         sc->enh_reg  = bus_alloc_resource(dev, sc->enh_type,
  745                                           &sc->enh_rid, 0, ~0,
  746                                           SV_PCI_ENHANCED_SIZE, RF_ACTIVE);
  747         if (sc->enh_reg == NULL) {
  748                 device_printf(dev, "sv_attach: cannot allocate enh\n");
  749                 return ENXIO;
  750         }
  751         sc->enh_st = rman_get_bustag(sc->enh_reg);
  752         sc->enh_sh = rman_get_bushandle(sc->enh_reg);
  753 
  754         data = pci_read_config(dev, SV_PCI_DMAA, 4);
  755         DEB(printf("sv_attach: initial dmaa 0x%08x\n", data));
  756         data = pci_read_config(dev, SV_PCI_DMAC, 4);
  757         DEB(printf("sv_attach: initial dmac 0x%08x\n", data));
  758 
  759         /* Initialize DMA_A and DMA_C */
  760         pci_write_config(dev, SV_PCI_DMAA, SV_PCI_DMA_EXTENDED, 4);
  761         pci_write_config(dev, SV_PCI_DMAC, 0, 4);
  762 
  763         /* Register IRQ handler */
  764         sc->irqid = 0;
  765         sc->irq   = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irqid,
  766                                        0, ~0, 1, RF_ACTIVE | RF_SHAREABLE);
  767         if (!sc->irq ||
  768             bus_setup_intr(dev, sc->irq, INTR_TYPE_AV, sv_intr, sc, &sc->ih)) {
  769                 device_printf(dev, "sv_attach: Unable to map interrupt\n");
  770                 goto fail;
  771         }
  772 
  773         sc->bufsz = pcm_getbuffersize(dev, 4096, SV_DEFAULT_BUFSZ, 65536);
  774         if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0,
  775                                /*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
  776                                /*highaddr*/BUS_SPACE_MAXADDR,
  777                                /*filter*/NULL, /*filterarg*/NULL,
  778                                /*maxsize*/sc->bufsz, /*nsegments*/1,
  779                                /*maxsegz*/0x3ffff, /*flags*/0,
  780                                /*lockfunc*/busdma_lock_mutex,
  781                                /*lockarg*/&Giant, &sc->parent_dmat) != 0) {
  782                 device_printf(dev, "sv_attach: Unable to create dma tag\n");
  783                 goto fail;
  784         }
  785 
  786         /* Power up and initialize */
  787         sv_mix_mute_all(sc);
  788         sv_power(sc, 0);
  789         sv_init(sc);
  790 
  791         if (mixer_init(dev, &sv_mixer_class, sc) != 0) {
  792                 device_printf(dev, "sv_attach: Mixer failed to initialize\n");
  793                 goto fail;
  794         }
  795 
  796         /* XXX This is a hack, and it's ugly.  Okay, the deal is this
  797          * card has two more io regions that available for automatic
  798          * configuration by the pci code.  These need to be allocated
  799          * to used as control registers for the DMA engines.
  800          * Unfortunately FBSD has no bus_space_foo() functions so we
  801          * have to grab port space in region of existing resources.  Go
  802          * for space between midi and game ports.
  803          */
  804         bus_get_resource(dev, SYS_RES_IOPORT, SV_PCI_MIDI, &midi_start, &count);
  805         bus_get_resource(dev, SYS_RES_IOPORT, SV_PCI_GAMES, &games_start, &count);
  806 
  807         if (games_start < midi_start) {
  808                 ml = games_start;
  809                 mu = midi_start;
  810         } else {
  811                 ml = midi_start;
  812                 mu = games_start;
  813         }
  814         /* Check assumptions about space availability and
  815            alignment. How driver loaded can determine whether
  816            games_start > midi_start or vice versa */
  817         if ((mu - ml >= 0x800)  ||
  818             ((mu - ml) % 0x200)) {
  819                 device_printf(dev, "sv_attach: resource assumptions not met "
  820                               "(midi 0x%08lx, games 0x%08lx)\n",
  821                               midi_start, games_start);
  822                 goto fail;
  823         }
  824 
  825         sdmaa = ml + 0x40;
  826         sdmac = sdmaa + 0x40;
  827 
  828         /* Add resources to list of pci resources for this device - from here on
  829          * they look like normal pci resources. */
  830         bus_set_resource(dev, SYS_RES_IOPORT, SV_PCI_DMAA, sdmaa, SV_PCI_DMAA_SIZE);
  831         bus_set_resource(dev, SYS_RES_IOPORT, SV_PCI_DMAC, sdmac, SV_PCI_DMAC_SIZE);
  832 
  833         /* Cache resource short-cuts for dma_a */
  834         sc->dmaa_rid = SV_PCI_DMAA;
  835         sc->dmaa_type = SYS_RES_IOPORT;
  836         sc->dmaa_reg  = bus_alloc_resource(dev, sc->dmaa_type,
  837                                            &sc->dmaa_rid, 0, ~0,
  838                                            SV_PCI_ENHANCED_SIZE, RF_ACTIVE);
  839         if (sc->dmaa_reg == NULL) {
  840                 device_printf(dev, "sv_attach: cannot allocate dmaa\n");
  841                 goto fail;
  842         }
  843         sc->dmaa_st = rman_get_bustag(sc->dmaa_reg);
  844         sc->dmaa_sh = rman_get_bushandle(sc->dmaa_reg);
  845 
  846         /* Poke port into dma_a configuration, nb bit flags to enable dma */
  847         data = pci_read_config(dev, SV_PCI_DMAA, 4) | SV_PCI_DMA_ENABLE | SV_PCI_DMA_EXTENDED;
  848         data = ((u_int32_t)sdmaa & 0xfffffff0) | (data & 0x0f);
  849         pci_write_config(dev, SV_PCI_DMAA, data, 4);
  850         DEB(printf("dmaa: 0x%x 0x%x\n", data, pci_read_config(dev, SV_PCI_DMAA, 4)));
  851 
  852         /* Cache resource short-cuts for dma_c */
  853         sc->dmac_rid = SV_PCI_DMAC;
  854         sc->dmac_type = SYS_RES_IOPORT;
  855         sc->dmac_reg  = bus_alloc_resource(dev, sc->dmac_type,
  856                                            &sc->dmac_rid, 0, ~0,
  857                                            SV_PCI_ENHANCED_SIZE, RF_ACTIVE);
  858         if (sc->dmac_reg == NULL) {
  859                 device_printf(dev, "sv_attach: cannot allocate dmac\n");
  860                 goto fail;
  861         }
  862         sc->dmac_st = rman_get_bustag(sc->dmac_reg);
  863         sc->dmac_sh = rman_get_bushandle(sc->dmac_reg);
  864 
  865         /* Poke port into dma_c configuration, nb bit flags to enable dma */
  866         data = pci_read_config(dev, SV_PCI_DMAC, 4) | SV_PCI_DMA_ENABLE | SV_PCI_DMA_EXTENDED;
  867         data = ((u_int32_t)sdmac & 0xfffffff0) | (data & 0x0f);
  868         pci_write_config(dev, SV_PCI_DMAC, data, 4);
  869         DEB(printf("dmac: 0x%x 0x%x\n", data, pci_read_config(dev, SV_PCI_DMAC, 4)));
  870 
  871         if (bootverbose)
  872                 printf("Sonicvibes: revision %d.\n", sc->rev);
  873 
  874         if (pcm_register(dev, sc, 1, 1)) {
  875                 device_printf(dev, "sv_attach: pcm_register fail\n");
  876                 goto fail;
  877         }
  878 
  879         pcm_addchan(dev, PCMDIR_PLAY, &svpchan_class, sc);
  880         pcm_addchan(dev, PCMDIR_REC,  &svrchan_class, sc);
  881 
  882         snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld %s",
  883                  rman_get_start(sc->enh_reg),  rman_get_start(sc->irq),PCM_KLDSTRING(snd_vibes));
  884         pcm_setstatus(dev, status);
  885 
  886         DEB(printf("sv_attach: succeeded\n"));
  887 
  888         return 0;
  889 
  890  fail:
  891         if (sc->parent_dmat)
  892                 bus_dma_tag_destroy(sc->parent_dmat);
  893         if (sc->ih)
  894                 bus_teardown_intr(dev, sc->irq, sc->ih);
  895         if (sc->irq)
  896                 bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq);
  897         if (sc->enh_reg)
  898                 bus_release_resource(dev, sc->enh_type, sc->enh_rid, sc->enh_reg);
  899         if (sc->dmaa_reg)
  900                 bus_release_resource(dev, sc->dmaa_type, sc->dmaa_rid, sc->dmaa_reg);
  901         if (sc->dmac_reg)
  902                 bus_release_resource(dev, sc->dmac_type, sc->dmac_rid, sc->dmac_reg);
  903         return ENXIO;
  904 }
  905 
  906 static int
  907 sv_detach(device_t dev) {
  908         struct sc_info  *sc;
  909         int             r;
  910 
  911         r = pcm_unregister(dev);
  912         if (r) return r;
  913 
  914         sc = pcm_getdevinfo(dev);
  915         sv_mix_mute_all(sc);
  916         sv_power(sc, 3);
  917 
  918         bus_dma_tag_destroy(sc->parent_dmat);
  919         bus_teardown_intr(dev, sc->irq, sc->ih);
  920         bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq);
  921         bus_release_resource(dev, sc->enh_type, sc->enh_rid, sc->enh_reg);
  922         bus_release_resource(dev, sc->dmaa_type, sc->dmaa_rid, sc->dmaa_reg);
  923         bus_release_resource(dev, sc->dmac_type, sc->dmac_rid, sc->dmac_reg);
  924 
  925         free(sc, M_DEVBUF);
  926 
  927         return 0;
  928 }
  929 
  930 static device_method_t sc_methods[] = {
  931         DEVMETHOD(device_probe,         sv_probe),
  932         DEVMETHOD(device_attach,        sv_attach),
  933         DEVMETHOD(device_detach,        sv_detach),
  934         DEVMETHOD(device_resume,        sv_resume),
  935         DEVMETHOD(device_suspend,       sv_suspend),
  936         { 0, 0 }
  937 };
  938 
  939 static driver_t sonicvibes_driver = {
  940         "pcm",
  941         sc_methods,
  942         PCM_SOFTC_SIZE
  943 };
  944 
  945 DRIVER_MODULE(snd_vibes, pci, sonicvibes_driver, pcm_devclass, 0, 0);
  946 MODULE_DEPEND(snd_vibes, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER);
  947 MODULE_VERSION(snd_vibes, 1);

Cache object: af018327a64f88ca9ccd948601e4890f


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