ref: 53f2b41ec64895a1d8bcebeeb7824c59e854eb13
dir: /sys/src/9/pc/audiohda.c/
#include "u.h"
#include "../port/lib.h"
#include "mem.h"
#include "dat.h"
#include "fns.h"
#include "io.h"
#include "../port/pci.h"
#include "../port/error.h"
#include "../port/audioif.h"
typedef struct Codec Codec;
typedef struct Ctlr Ctlr;
typedef struct Bld Bld;
typedef struct Ring Ring;
typedef struct Stream Stream;
typedef struct Id Id;
typedef struct Widget Widget;
typedef struct Codec Codec;
typedef struct Fungroup Fungroup;
typedef struct Pinprop Pinprop;
enum {
Gcap = 0x00,
Gctl = 0x08,
Rst = 1,
Flush = 2,
Acc = 1<<8,
Wakeen = 0x0c,
Statests = 0x0e,
Sdiwake = 1 | 2 | 4,
Intctl = 0x20,
Gie = 1<<31,
Cie = 1<<30,
Intsts = 0x24,
Gis = 1<<31,
Cis = 1<<30,
Walclk = 0x30,
Corblbase = 0x40,
Corbubase = 0x44,
Corbwp = 0x48,
Corbrp = 0x4a,
Corbptrrst = 1<<15,
Corbctl = 0x4c,
Corbdma = 2,
Corbint = 1,
Corbsts = 0x4d,
Cmei = 1,
Corbsz = 0x4e,
Rirblbase = 0x50,
Rirbubase = 0x54,
Rirbwp = 0x58,
Rirbptrrst = 1<<15,
Rintcnt = 0x5a,
Rirbctl = 0x5c,
Rirbover = 4,
Rirbdma = 2,
Rirbint = 1,
Rirbsts = 0x5d,
Rirbrover = 4,
Rirbrint = 1,
Rirbsz = 0x5e,
Immcmd = 0x60,
Immresp = 0x64,
Immstat = 0x68,
Dplbase = 0x70,
Dpubase = 0x74,
/* Warning: Sdctl is 24bit register */
Sdctl0 = 0x80,
Srst = 1<<0,
Srun = 1<<1,
Scie = 1<<2,
Seie = 1<<3,
Sdie = 1<<4,
Stagbit = 20,
Sdsts = 0x03,
Scompl = 1<<2,
Sfifoerr = 1<<3,
Sdescerr = 1<<4,
Sfifordy = 1<<5,
Sdlpib = 0x04,
Sdcbl = 0x08,
Sdlvi = 0x0c,
Sdfifow = 0x0e,
Sdfifos = 0x10,
Sdfmt = 0x12,
Fmtmono = 0,
Fmtstereo = 1,
Fmtsampw = 1<<4,
Fmtsampb = 0<<4,
Fmtdiv1 = 0<<8,
Fmtmul1 = 0<<11,
Fmtbase441 = 1<<14,
Fmtbase48 = 0<<14,
Sdbdplo = 0x18,
Sdbdphi = 0x1c,
};
enum {
Bufsize = 64 * 1024 * 4,
Nblocks = 256,
Blocksize = Bufsize / Nblocks,
BytesPerSample = 4,
Maxrirbwait = 1000, /* microseconds */
Maxwaitup = 500, /* microseconds */
Codecdelay = 1000, /* microseconds */
};
enum {
/* 12-bit cmd + 8-bit payload */
Getparm = 0xf00,
Vendorid = 0x00,
Revid = 0x02,
Subnodecnt = 0x04,
Fungrtype = 0x05,
Graudio = 0x01,
Grmodem = 0x02,
Fungrcap = 0x08,
Widgetcap = 0x09,
Waout = 0,
Wain = 1,
Wamix = 2,
Wasel = 3,
Wpin = 4,
Wpower = 5,
Wknob = 6,
Wbeep = 7,
Winampcap = 0x0002,
Woutampcap = 0x0004,
Wampovrcap = 0x0008,
Wfmtovrcap = 0x0010,
Wstripecap = 0x0020,
Wproccap = 0x0040,
Wunsolcap = 0x0080,
Wconncap = 0x0100,
Wdigicap = 0x0200,
Wpwrcap = 0x0400,
Wlrcap = 0x0800,
Wcpcap = 0x1000,
Streamrate = 0x0a,
Streamfmt = 0x0b,
Pincap = 0x0c,
Psense = 1<<0,
Ptrigreq = 1<<1,
Pdetect = 1<<2,
Pheadphone = 1<<3,
Pout = 1<<4,
Pin = 1<<5,
Pbalanced = 1<<6,
Phdmi = 1<<7,
Peapd = 1<<16,
Inampcap = 0x0d,
Outampcap = 0x12,
Connlistlen = 0x0e,
Powerstates = 0x0f,
Processcap = 0x10,
Gpiocount = 0x11,
Knobcap = 0x13,
Getconn = 0xf01,
Setconn = 0x701,
Getconnlist = 0xf02,
Getstate = 0xf03,
Setstate = 0x703,
Setpower = 0x705,
Getpower = 0xf05,
Getstream = 0xf06,
Setstream = 0x706,
Getpinctl = 0xf07,
Setpinctl = 0x707,
Pinctlin = 1<<5,
Pinctlout = 1<<6,
Pinctlhphn = 1<<7,
Getunsolresp = 0xf08,
Setunsolresp = 0x708,
Getpinsense = 0xf09,
Exepinsense = 0x709,
Getgpi = 0xf10,
Setgpi = 0x710,
Getbeep = 0xf0a,
Setbeep = 0x70a,
Seteapd = 0x70c,
Btlenable = 1,
Eapdenable = 2,
LRswap = 4,
Getknob = 0xf0f,
Setknob = 0x70f,
Getdefault = 0xf1c,
Funreset = 0x7ff,
Getchancnt = 0xf2d,
Setchancnt = 0x72d,
/* 4-bit cmd + 16-bit payload */
Getcoef = 0xd,
Setcoef = 0x5,
Getproccoef = 0xc,
Setproccoef = 0x4,
Getamp = 0xb,
Setamp = 0x3,
Asetout = 1<<15,
Asetin = 1<<14,
Asetleft = 1<<13,
Asetright = 1<<12,
Asetmute = 1<<7,
Asetidx = 8,
Agetin = 0<<15,
Agetout = 1<<15,
Agetleft = 1<<13,
Agetright = 1<<15,
Agetidx = 0,
Again = 0,
Againmask = 0x7f,
Getconvfmt = 0xa,
Setconvfmt = 0x2,
};
enum {
Maxcodecs = 16,
Maxwidgets = 256,
};
struct Ring {
Rendez r;
uchar *buf;
ulong nbuf;
ulong ri;
ulong wi;
};
struct Stream {
Ring ring;
Bld *blds;
uint sdctl;
uint sdintr;
uint sdnum;
uint afmt;
uint atag;
int active;
uint pin;
uint cad;
Widget *conv; /* DAC or ADC */
Widget *jack; /* the pin jack */
};
struct Id {
Ctlr *ctlr;
uint codec, nid;
};
struct Widget {
Id id;
Fungroup *fg;
uint cap, type;
uint nlist;
Widget **list;
union {
struct {
uint pin, pincap;
};
struct {
uint convrate, convfmt;
};
};
Widget *next; /* next in function group */
Widget *path; /* next in audio path */
Widget *link; /* temporary for findpath */
};
struct Fungroup {
Id id;
Codec *codec;
uint type;
Widget *first;
Fungroup *next;
};
struct Codec {
Id id;
uint vid, rid;
Widget *widgets[Maxwidgets];
Fungroup *fgroup;
};
/* hardware structures */
struct Bld {
ulong addrlo;
ulong addrhi;
ulong len;
ulong flags;
};
struct Ctlr {
Ctlr *next;
int no;
Lock; /* interrupt lock */
QLock; /* command lock */
Audio *adev;
uvlong port;
Pcidev *pcidev;
uchar *mem;
ulong size;
Queue *q;
ulong *corb;
ulong corbsize;
ulong *rirb;
ulong rirbsize;
Stream sout;
Stream sin;
uint iss, oss, bss;
uint codecmask;
Codec *codec[Maxcodecs];
};
#define csr32(c, r) (*(ulong *)&(c)->mem[r])
#define csr16(c, r) (*(ushort *)&(c)->mem[r])
#define csr8(c, r) (*(uchar *)&(c)->mem[r])
static char *widtype[] = {
"aout",
"ain",
"amix",
"asel",
"pin",
"power",
"knob",
"beep",
};
static char *pinport[] = {
"jack",
"nothing",
"fix",
"jack+fix",
};
static char *pinfunc[] = {
"lineout",
"speaker",
"hpout",
"cd",
"spdifout",
"digiout",
"modemline",
"modemhandset",
"linein",
"aux",
"micin",
"telephony",
"spdifin",
"digiin",
"resvd",
"other",
};
static char *pincol[] = {
"?",
"black",
"grey",
"blue",
"green",
"red",
"orange",
"yellow",
"purple",
"pink",
"resvd",
"resvd",
"resvd",
"resvd",
"white",
"other",
};
static char *pinloc[] = {
"N/A",
"rear",
"front",
"left",
"right",
"top",
"bottom",
"special",
"special",
"special",
"resvd",
"resvd",
"resvd",
"resvd",
"resvd",
"resvd",
};
static char *pinloc2[] = {
"ext",
"int",
"sep",
"other",
};
Ctlr *lastcard;
static int
waitup8(Ctlr *ctlr, int reg, uchar mask, uchar set)
{
int i;
for(i=0; i<Maxwaitup; i++){
if((csr8(ctlr, reg) & mask) == set)
return 0;
microdelay(1);
}
print("#A%d: waitup timeout for reg=%x, mask=%x, set=%x\n",
ctlr->no, reg, mask, set);
return -1;
}
static int
waitup16(Ctlr *ctlr, int reg, ushort mask, ushort set)
{
int i;
for(i=0; i<Maxwaitup; i++){
if((csr16(ctlr, reg) & mask) == set)
return 0;
microdelay(1);
}
print("#A%d: waitup timeout for reg=%x, mask=%x, set=%x\n",
ctlr->no, reg, mask, set);
return -1;
}
static int
waitup32(Ctlr *ctlr, int reg, uint mask, uint set)
{
int i;
for(i=0; i<Maxwaitup; i++){
if((csr32(ctlr, reg) & mask) == set)
return 0;
microdelay(1);
}
print("#A%d: waitup timeout for reg=%x, mask=%x, set=%x\n",
ctlr->no, reg, mask, set);
return -1;
}
static int
hdacmd(Ctlr *ctlr, uint request, uint reply[2])
{
uint rp, wp, re;
int wait, ret;
re = csr16(ctlr, Rirbwp);
rp = csr16(ctlr, Corbrp);
wp = (csr16(ctlr, Corbwp) + 1) % ctlr->corbsize;
if(rp == wp){
print("#A%d: corb full\n", ctlr->no);
return -1;
}
ctlr->corb[wp] = request;
coherence();
csr16(ctlr, Corbwp) = wp;
ret = 0;
for(wait=0; wait < Maxrirbwait; wait++){
if(csr16(ctlr, Rirbwp) != re){
re = (re + 1) % ctlr->rirbsize;
memmove(reply, &ctlr->rirb[re*2], 8);
ret = 1;
break;
}
microdelay(1);
}
/* reset intcnt for qemu */
csr8(ctlr, Rirbsts) = Rirbrover|Rirbrint;
return ret;
}
static int
cmderr(Id id, uint verb, uint par, uint *ret)
{
uint q, w[2];
q = (id.codec << 28) | (id.nid << 20);
if((verb & 0x700) == 0x700)
q |= (verb << 8) | par;
else
q |= (verb << 16) | par;
if(hdacmd(id.ctlr, q, w) != 1)
return -1;
if(w[1] != id.codec)
return -1;
*ret = w[0];
return 0;
}
static uint
cmd(Id id, uint verb, uint par)
{
uint w[2];
if(cmderr(id, verb, par, w) == -1)
return ~0;
return w[0];
}
static Id
newnid(Id id, uint nid)
{
id.nid = nid;
return id;
}
static uint
getoutamprange(Widget *w)
{
uint r;
if((w->cap & Woutampcap) == 0)
return 0;
if((w->cap & Wampovrcap) == 0)
r = cmd(w->fg->id, Getparm, Outampcap);
else
r = cmd(w->id, Getparm, Outampcap);
return (r >> 8) & 0x7f;
}
static void
getoutamp(Widget *w, int vol[2])
{
vol[0] = vol[1] = 0;
if((w->cap & Woutampcap) == 0)
return;
vol[0] = cmd(w->id, Getamp, Agetout | Agetleft) & Againmask;
vol[1] = cmd(w->id, Getamp, Agetout | Agetright) & Againmask;
}
/* vol is 0...range or nil for 0dB; mute is 0/1 */
static void
setoutamp(Widget *w, int mute, int *vol)
{
uint q, r, i;
uint zerodb;
if((w->cap & Woutampcap) == 0)
return;
if((w->cap & Wampovrcap) == 0)
r = cmd(w->fg->id, Getparm, Outampcap);
else
r = cmd(w->id, Getparm, Outampcap);
zerodb = r & 0x7f;
for(i=0; i<2; i++){
q = Asetout | (i == 0 ? Asetleft : Asetright);
if(mute)
q |= Asetmute;
else if(vol == nil)
q |= zerodb << Again;
else
q |= vol[i] << Again;
cmd(w->id, Setamp, q);
}
}
static uint
getinamprange(Widget *w)
{
uint r;
if((w->cap & Winampcap) == 0)
return 0;
if((w->cap & Wampovrcap) == 0)
r = cmd(w->fg->id, Getparm, Inampcap);
else
r = cmd(w->id, Getparm, Inampcap);
return (r >> 8) & 0x7f;
}
static void
getinamp(Widget *w, int vol[2])
{
vol[0] = vol[1] = 0;
if((w->cap & Winampcap) == 0)
return;
vol[0] = cmd(w->id, Getamp, Agetin | Agetleft) & Againmask;
vol[1] = cmd(w->id, Getamp, Agetin | Agetright) & Againmask;
}
/* vol is 0...range or nil for 0dB; mute is 0/1; in is widget or nil for all */
static void
setinamp(Widget *w, Widget *in, int mute, int *vol)
{
uint q, r, i, j;
uint zerodb;
if((w->cap & Winampcap) == 0)
return;
if((w->cap & Wampovrcap) == 0)
r = cmd(w->fg->id, Getparm, Inampcap);
else
r = cmd(w->id, Getparm, Inampcap);
zerodb = r & 0x7f;
for(i=0; i<2; i++){
q = Asetin | (i == 0 ? Asetleft : Asetright);
if(mute)
q |= Asetmute;
else if(vol == nil)
q |= zerodb << Again;
else
q |= vol[i] << Again;
for(j=0; j<w->nlist; j++){
if(in == nil || w->list[j] == in)
cmd(w->id, Setamp, q | (j << Asetidx));
}
}
}
static Widget *
findpath(Widget *jack, int type, char *route)
{
Widget *q[Maxwidgets];
uint l, r, i;
Widget *w, *to;
Fungroup *fg;
fg = jack->fg;
l = r = 0;
for(w=fg->first; w != nil; w = w->next)
w->link = nil;
if(route != nil && *route != 0){
w = jack;
while(*route++ == ','){
i = strtoul(route, &route, 0);
if(i >= Maxwidgets)
return nil;
to = fg->codec->widgets[i];
if(to == nil || to->fg != fg || to->link != nil)
return nil;
if(type == Waout)
to->link = w;
else
w->link = to;
w = to;
}
if(w == jack || w->type != type)
w = nil;
return w;
}
if(type == Waout){
q[r++] = jack;
jack->link = jack;
} else {
for(w=fg->first; w != nil; w = w->next)
if(w->type == type){
q[r++] = w;
w->link = w;
}
}
while(l < r){
w = q[l++];
if(type == Waout){
if(w->type == type)
return w;
} else if(w == jack){
for(w = jack->link; w != nil; w = w->link)
if(w->type == type)
return w;
break;
}
for(i=0; i<w->nlist; i++){
to = w->list[i];
if(to == nil || to->link)
continue;
to->link = w;
q[r++] = to;
}
}
return nil;
}
static void
disconnectpath(Widget *from, Widget *to)
{
Widget *next;
for(; from != nil && from != to; from = next){
next = from->path;
from->path = nil;
setoutamp(from, 1, nil);
if(next != nil)
setinamp(next, from, 1, nil);
}
setoutamp(to, 1, nil);
}
static void
muteall(Ctlr *ctlr)
{
Fungroup *fg;
Widget *w;
int i;
for(i=0; i<Maxcodecs; i++){
if(ctlr->codec[i] == nil)
continue;
for(fg=ctlr->codec[i]->fgroup; fg; fg=fg->next){
for(w=fg->first; w != nil; w=w->next){
setinamp(w, nil, 1, nil);
setoutamp(w, 1, nil);
switch(w->type){
case Wain:
case Waout:
cmd(w->id, Setstream, 0);
break;
case Wpin:
cmd(w->id, Setpinctl, 0);
break;
}
}
}
}
}
static void
connectpath(Widget *from, Widget *to)
{
Widget *next;
uint i;
for(; from != nil && from != to; from = next){
next = from->link;
from->path = next;
setoutamp(from, 0, nil);
if(next != nil){
setinamp(next, from, 0, nil);
for(i=0; i < next->nlist; i++){
if(next->list[i] == from){
cmd(next->id, Setconn, i);
break;
}
}
}
}
setoutamp(to, 0, nil);
}
static void
addconn(Widget *w, uint nid)
{
Widget *src;
src = nil;
if(nid < Maxwidgets)
src = w->fg->codec->widgets[nid];
if(src == nil || (src->fg != w->fg)){
print("hda: invalid connection %d:%s[%d] -> %d\n",
w->id.nid, widtype[w->type & 7], w->nlist, nid);
src = nil;
}
if((w->nlist % 16) == 0){
void *p;
if((p = realloc(w->list, sizeof(Widget*) * (w->nlist+16))) == nil){
print("hda: no memory for Widgetlist\n");
return;
}
w->list = p;
}
w->list[w->nlist++] = src;
}
static void
enumconns(Widget *w)
{
uint r, f, b, m, i, n, x, y;
if((w->cap & Wconncap) == 0)
return;
r = cmd(w->id, Getparm, Connlistlen);
n = r & 0x7f;
b = (r & 0x80) ? 16 : 8;
m = (1<<b)-1;
f = (32/b)-1;
x = 0;
for(i=0; i<n; i++){
if(i & f)
r >>= b;
else
r = cmd(w->id, Getconnlist, i);
y = r & (m>>1);
if(i && (r & m) != y)
while(++x < y)
addconn(w, x);
addconn(w, y);
x = y;
}
}
static void
enumwidget(Widget *w)
{
w->cap = cmd(w->id, Getparm, Widgetcap);
w->type = (w->cap >> 20) & 0x7;
if(w->cap & Wpwrcap){
cmd(w->id, Setpower, 0);
delay(10);
}
switch(w->type){
case Wpin:
w->pin = cmd(w->id, Getdefault, 0);
w->pincap = cmd(w->id, Getparm, Pincap);
if(w->pincap & Peapd)
cmd(w->id, Seteapd, Eapdenable);
break;
}
}
static Fungroup *
enumfungroup(Codec *codec, Id id)
{
Fungroup *fg;
Widget *w, **tail;
uint i, r, n, base;
r = cmd(id, Getparm, Fungrtype) & 0x7f;
if(r != Graudio){
cmd(id, Setpower, 3); /* turn off */
return nil;
}
/* open eyes */
cmd(id, Setpower, 0);
delay(10);
r = cmd(id, Getparm, Subnodecnt);
n = r & 0xff;
base = (r >> 16) & 0xff;
if(base >= Maxwidgets){
print("hda: enumfungroup: base %d out of range\n", base);
return nil;
}
if(base+n > Maxwidgets){
print("hda: enumfungroup: widgets %d - %d out of range\n", base, base+n);
n = Maxwidgets - base;
}
fg = mallocz(sizeof *fg, 1);
if(fg == nil){
Nomem:
print("hda: enumfungroup: out of memory\n");
return nil;
}
fg->codec = codec;
fg->id = id;
fg->type = r;
tail = &fg->first;
for(i=0; i<n; i++){
if(codec->widgets[base + i] != nil){
print("hda: enumfungroup: duplicate widget %d\n", base + i);
continue;
}
w = mallocz(sizeof(Widget), 1);
if(w == nil){
while(w = fg->first){
fg->first = w->next;
codec->widgets[w->id.nid] = nil;
free(w);
}
free(fg);
goto Nomem;
}
w->id = newnid(id, base + i);
w->fg = fg;
*tail = w;
tail = &w->next;
codec->widgets[w->id.nid] = w;
}
for(i=0; i<n; i++)
enumwidget(codec->widgets[base + i]);
for(i=0; i<n; i++)
enumconns(codec->widgets[base + i]);
return fg;
}
static int
enumcodec(Codec *codec, Id id)
{
Fungroup *fg;
uint i, r, n, base;
uint vid, rid;
if(cmderr(id, Getparm, Vendorid, &vid) < 0)
return -1;
if(cmderr(id, Getparm, Revid, &rid) < 0)
return -1;
codec->id = id;
codec->vid = vid;
codec->rid = rid;
r = cmd(id, Getparm, Subnodecnt);
n = r & 0xff;
base = (r >> 16) & 0xff;
for(i=0; i<n; i++){
fg = enumfungroup(codec, newnid(id, base + i));
if(fg == nil)
continue;
fg->next = codec->fgroup;
codec->fgroup = fg;
}
if(codec->fgroup == nil)
return -1;
print("#A%d: codec #%d, vendor %08ux, rev %08ux\n",
id.ctlr->no, codec->id.codec, codec->vid, codec->rid);
return 0;
}
static int
enumdev(Ctlr *ctlr)
{
Codec *codec;
int ret;
Id id;
int i;
ret = -1;
id.ctlr = ctlr;
id.nid = 0;
for(i=0; i<Maxcodecs; i++){
if(((1<<i) & ctlr->codecmask) == 0)
continue;
codec = mallocz(sizeof(Codec), 1);
if(codec == nil){
print("hda: no memory for Codec\n");
break;
}
id.codec = i;
ctlr->codec[i] = codec;
if(enumcodec(codec, id) < 0){
ctlr->codec[i] = nil;
free(codec);
continue;
}
ret++;
}
return ret;
}
static int
connectpin(Ctlr *ctlr, Stream *s, int type, uint pin, uint cad, char *route)
{
Widget *jack, *conv;
if(s->atag == 0)
return -1;
if(cad >= Maxcodecs || pin >= Maxwidgets || ctlr->codec[cad] == nil)
return -1;
jack = ctlr->codec[cad]->widgets[pin];
if(jack == nil)
return -1;
if(jack->type != Wpin)
return -1;
conv = findpath(jack, type, route);
if(conv == nil)
return -1;
if(s->conv != nil && s->jack != nil){
if(s->conv->type == Waout)
disconnectpath(s->conv, s->jack);
else
disconnectpath(s->jack, s->conv);
cmd(s->conv->id, Setstream, 0);
cmd(s->jack->id, Setpinctl, 0);
}
if(type == Waout){
connectpath(conv, jack);
cmd(jack->id, Setpinctl, Pinctlout);
} else {
connectpath(jack, conv);
cmd(jack->id, Setpinctl, Pinctlin);
}
cmd(conv->id, Setconvfmt, s->afmt);
cmd(conv->id, Setstream, (s->atag << 4) | 0);
cmd(conv->id, Setchancnt, 1);
s->conv = conv;
s->jack = jack;
s->pin = pin;
s->cad = cad;
return 0;
}
static int
scoreout(Widget *w)
{
int score;
uint r;
if((w->pincap & Pout) == 0)
return -1;
if(w->id.ctlr->sin.jack == w)
return -1;
score = 0;
r = w->pin;
if(((r >> 30) & 0x3) >= 2) /* fix or fix+jack */
score |= 32;
if(((r >> 12) & 0xf) == 4) /* green */
score |= 32;
if(((r >> 24) & 0xf) == 1) /* rear */
score |= 16;
if(((r >> 28) & 0x3) == 0) /* ext */
score |= 8;
if(((r >> 20) & 0xf) == 2) /* hpout */
score |= 4;
if(((r >> 20) & 0xf) == 0) /* lineout */
score |= 4;
return score;
}
static int
scorein(Widget *w)
{
int score;
uint r;
if((w->pincap & Pin) == 0)
return -1;
if(w->id.ctlr->sout.jack == w)
return -1;
score = 0;
r = w->pin;
if(((r >> 30) & 0x3) >= 2) /* fix or fix+jack */
score |= 4;
return score;
}
static int
bestpin(Ctlr *ctlr, int *pcad, int (*fscore)(Widget *))
{
Fungroup *fg;
Widget *w;
int best, pin, score;
int i;
pin = -1;
best = -1;
for(i=0; i<Maxcodecs; i++){
if(ctlr->codec[i] == nil)
continue;
for(fg=ctlr->codec[i]->fgroup; fg != nil; fg=fg->next){
for(w=fg->first; w != nil; w=w->next){
if(w->type != Wpin)
continue;
score = (*fscore)(w);
if(score >= 0 && score >= best){
best = score;
pin = w->id.nid;
*pcad = i;
}
}
}
}
return pin;
}
static long
buffered(Ring *r)
{
ulong ri, wi;
ri = r->ri;
wi = r->wi;
if(wi >= ri)
return wi - ri;
else
return r->nbuf - (ri - wi);
}
static long
available(Ring *r)
{
long m;
m = (r->nbuf - BytesPerSample) - buffered(r);
if(m < 0)
m = 0;
return m;
}
static long
readring(Ring *r, uchar *p, long n)
{
long n0, m;
n0 = n;
while(n > 0){
if((m = buffered(r)) <= 0)
break;
if(m > n)
m = n;
if(p){
if(r->ri + m > r->nbuf)
m = r->nbuf - r->ri;
memmove(p, r->buf + r->ri, m);
p += m;
}
r->ri = (r->ri + m) % r->nbuf;
n -= m;
}
return n0 - n;
}
static long
writering(Ring *r, uchar *p, long n)
{
long n0, m;
n0 = n;
while(n > 0){
if((m = available(r)) <= 0)
break;
if(m > n)
m = n;
if(p){
if(r->wi + m > r->nbuf)
m = r->nbuf - r->wi;
memmove(r->buf + r->wi, p, m);
p += m;
}
r->wi = (r->wi + m) % r->nbuf;
n -= m;
}
return n0 - n;
}
static int
streamalloc(Ctlr *ctlr, Stream *s, int num)
{
u64int pa;
Ring *r;
int i;
r = &s->ring;
r->buf = xspanalloc(r->nbuf = Bufsize, 128, 0);
s->blds = xspanalloc(Nblocks * sizeof(Bld), 128, 0);
if(r->buf == nil || s->blds == nil){
print("hda: no memory for stream\n");
return -1;
}
for(i=0; i<Nblocks; i++){
pa = PCIWADDR(r->buf) + i*Blocksize;
s->blds[i].addrlo = pa;
s->blds[i].addrhi = pa >> 32;
s->blds[i].len = Blocksize;
s->blds[i].flags = 0x01; /* interrupt on completion */
}
s->sdnum = num;
s->sdctl = Sdctl0 + s->sdnum*0x20;
s->sdintr = 1<<s->sdnum;
s->atag = s->sdnum+1;
s->afmt = Fmtstereo | Fmtsampw | Fmtdiv1 | Fmtmul1 | Fmtbase441;
s->active = 0;
/* perform reset */
csr8(ctlr, s->sdctl) &= ~(Srst | Srun | Scie | Seie | Sdie);
csr8(ctlr, s->sdctl) |= Srst;
microdelay(Codecdelay);
waitup8(ctlr, s->sdctl, Srst, Srst);
csr8(ctlr, s->sdctl) &= ~Srst;
microdelay(Codecdelay);
waitup8(ctlr, s->sdctl, Srst, 0);
/* set stream number */
csr32(ctlr, s->sdctl) = (s->atag << Stagbit) |
(csr32(ctlr, s->sdctl) & ~(0xF << Stagbit));
/* set stream format */
csr16(ctlr, Sdfmt+s->sdctl) = s->afmt;
/* program stream DMA & parms */
pa = PCIWADDR(s->blds);
csr32(ctlr, Sdbdplo+s->sdctl) = pa;
csr32(ctlr, Sdbdphi+s->sdctl) = pa >> 32;
csr32(ctlr, Sdcbl+s->sdctl) = r->nbuf;
csr16(ctlr, Sdlvi+s->sdctl) = (Nblocks - 1) & 0xff;
/* mask out ints */
csr8(ctlr, Sdsts+s->sdctl) = Scompl | Sfifoerr | Sdescerr;
/* enable global intrs for this stream */
csr32(ctlr, Intctl) |= s->sdintr;
csr8(ctlr, s->sdctl) |= Scie | Seie | Sdie;
return 0;
}
static void
streamstart(Ctlr *ctlr, Stream *s)
{
s->active = 1;
csr8(ctlr, s->sdctl) |= Srun;
waitup8(ctlr, s->sdctl, Srun, Srun);
}
static void
streamstop(Ctlr *ctlr, Stream *s)
{
csr8(ctlr, s->sdctl) &= ~Srun;
waitup8(ctlr, s->sdctl, Srun, 0);
s->active = 0;
}
static uint
streampos(Ctlr *ctlr, Stream *s)
{
uint p;
p = csr32(ctlr, Sdlpib+s->sdctl);
if(p >= s->ring.nbuf)
p = 0;
return p;
}
static long
hdactl(Audio *adev, void *va, long n, vlong)
{
char *p, *e, *x, *route, *tok[4];
int ntok;
Ctlr *ctlr;
uint pin, cad;
ctlr = adev->ctlr;
p = va;
e = p + n;
for(; p < e; p = x){
route = nil;
if(x = strchr(p, '\n'))
*x++ = 0;
else
x = e;
ntok = tokenize(p, tok, 4);
if(ntok <= 0)
continue;
if(cistrcmp(tok[0], "pin") == 0 && ntok >= 2){
cad = ctlr->sout.cad;
pin = strtoul(tok[1], &route, 0);
if(ntok > 2)
cad = strtoul(tok[2], 0, 0);
if(connectpin(ctlr, &ctlr->sout, Waout, pin, cad, route) < 0)
error("connectpin failed");
}else
if(cistrcmp(tok[0], "inpin") == 0 && ntok >= 2){
cad = ctlr->sin.cad;
pin = strtoul(tok[1], &route, 0);
if(ntok > 2)
cad = strtoul(tok[2], 0, 0);
if(connectpin(ctlr, &ctlr->sin, Wain, pin, cad, route) < 0)
error("connectpin failed");
}else
error(Ebadctl);
}
return n;
}
static int
inavail(void *arg)
{
Ring *r = arg;
return buffered(r) > 0;
}
static int
outavail(void *arg)
{
Ring *r = arg;
return available(r) > 0;
}
static int
outrate(void *arg)
{
Ctlr *ctlr = arg;
int delay = ctlr->adev->delay*BytesPerSample;
return (delay <= 0) || (buffered(&ctlr->sout.ring) <= delay) || (ctlr->sout.active == 0);
}
static long
hdabuffered(Audio *adev)
{
Ctlr *ctlr;
ctlr = adev->ctlr;
return buffered(&ctlr->sout.ring);
}
static void
hdakick(Ctlr *ctlr)
{
int delay;
if(ctlr->sout.active)
return;
delay = ctlr->adev->delay*BytesPerSample;
if(buffered(&ctlr->sout.ring) >= delay)
streamstart(ctlr, &ctlr->sout);
}
static long
hdaread(Audio *adev, void *vp, long n, vlong)
{
uchar *p, *e;
Ctlr *ctlr;
Ring *ring;
p = vp;
e = p + n;
ctlr = adev->ctlr;
ring = &ctlr->sin.ring;
if(ring->buf == nil || ctlr->sin.conv == nil)
return 0;
while(p < e) {
if((n = readring(ring, p, e - p)) <= 0){
if(!ctlr->sin.active)
streamstart(ctlr, &ctlr->sin);
sleep(&ring->r, inavail, ring);
continue;
}
p += n;
}
return p - (uchar*)vp;
}
static long
hdawrite(Audio *adev, void *vp, long n, vlong)
{
uchar *p, *e;
Ctlr *ctlr;
Ring *ring;
p = vp;
e = p + n;
ctlr = adev->ctlr;
ring = &ctlr->sout.ring;
if(ring->buf == nil || ctlr->sout.conv == nil)
return 0;
while(p < e) {
if((n = writering(ring, p, e - p)) <= 0){
hdakick(ctlr);
sleep(&ring->r, outavail, ring);
continue;
}
p += n;
}
hdakick(ctlr);
while(outrate(ctlr) == 0)
sleep(&ring->r, outrate, ctlr);
return p - (uchar*)vp;
}
static void
hdaclose(Audio *adev, int mode)
{
Ctlr *ctlr;
Ring *ring;
ctlr = adev->ctlr;
if(mode == OREAD || mode == ORDWR){
if(ctlr->sin.active)
streamstop(ctlr, &ctlr->sin);
}
if(mode == OWRITE || mode == ORDWR){
ring = &ctlr->sout.ring;
while(ring->wi % Blocksize)
if(writering(ring, (uchar*)"", 1) <= 0)
break;
}
}
enum {
Vmaster,
Vrecord,
Vspeed,
Vdelay,
Nvol,
};
static Volume voltab[] = {
[Vmaster] "master", 0, 0x7f, Stereo, 0,
[Vrecord] "recgain", 0, 0x7f, Stereo, 0,
[Vspeed] "speed", 0, 0, Absolute, 0,
[Vdelay] "delay", 0, 0, Absolute, 0,
0
};
static Widget*
findoutamp(Stream *s)
{
Widget *w;
for(w = s->conv; w != nil; w = w->path){
if(w->cap & Woutampcap)
return w;
if(w == s->jack)
break;
}
return nil;
}
static Widget*
findinamp(Stream *s)
{
Widget *w, *p, *a;
a = nil;
for(p = nil, w = s->jack; w != nil; p = w, w = w->path){
w->link = p; /* for setinamp */
if(w->cap & Winampcap)
a = w;
if(w == s->conv)
break;
}
return a;
}
static int
hdagetvol(Audio *adev, int x, int a[2])
{
Ctlr *ctlr = adev->ctlr;
Widget *w;
switch(x){
case Vmaster:
if((w = findoutamp(&ctlr->sout)) != nil)
getoutamp(w, a);
break;
case Vrecord:
if((w = findinamp(&ctlr->sin)) != nil)
getinamp(w, a);
break;
case Vspeed:
a[0] = adev->speed;
break;
case Vdelay:
a[0] = adev->delay;
break;
}
return 0;
}
static int
hdasetvol(Audio *adev, int x, int a[2])
{
Ctlr *ctlr = adev->ctlr;
Widget *w;
switch(x){
case Vmaster:
if((w = findoutamp(&ctlr->sout)) != nil)
setoutamp(w, 0, a);
break;
case Vrecord:
if((w = findinamp(&ctlr->sin)) != nil)
setinamp(w, w->link, 0, a);
break;
case Vspeed:
adev->speed = a[0];
break;
case Vdelay:
if(a[0] < Blocksize/BytesPerSample) {
adev->delay = Blocksize/BytesPerSample;
} else if(a[0] > (ctlr->sout.ring.nbuf/BytesPerSample)-1) {
adev->delay = (ctlr->sout.ring.nbuf/BytesPerSample)-1;
} else {
adev->delay = a[0];
}
break;
}
return 0;
}
static void
fillvoltab(Ctlr *ctlr, Volume *vt)
{
Widget *w;
memmove(vt, voltab, sizeof(voltab));
if((w = findoutamp(&ctlr->sout)) != nil)
vt[Vmaster].range = getoutamprange(w);
if((w = findinamp(&ctlr->sin)) != nil)
vt[Vrecord].range = getinamprange(w);
}
static long
hdavolread(Audio *adev, void *a, long n, vlong)
{
Volume voltab[Nvol+1];
fillvoltab(adev->ctlr, voltab);
return genaudiovolread(adev, a, n, 0, voltab, hdagetvol, 0);
}
static long
hdavolwrite(Audio *adev, void *a, long n, vlong)
{
Volume voltab[Nvol+1];
fillvoltab(adev->ctlr, voltab);
return genaudiovolwrite(adev, a, n, 0, voltab, hdasetvol, 0);
}
static void
hdainterrupt(Ureg *, void *arg)
{
Ctlr *ctlr;
Audio *adev;
Ring *r;
uint sts;
adev = arg;
ctlr = adev->ctlr;
if(ctlr == nil || ctlr->adev != adev)
return;
ilock(ctlr);
sts = csr32(ctlr, Intsts);
if(sts & ctlr->sout.sdintr){
csr8(ctlr, Sdsts+ctlr->sout.sdctl) |= Scompl;
r = &ctlr->sout.ring;
r->ri = streampos(ctlr, &ctlr->sout);
if(ctlr->sout.active && buffered(r) < Blocksize){
streamstop(ctlr, &ctlr->sout);
r->ri = r->wi = streampos(ctlr, &ctlr->sout);
}
wakeup(&r->r);
}
if(sts & ctlr->sin.sdintr){
csr8(ctlr, Sdsts+ctlr->sin.sdctl) |= Scompl;
r = &ctlr->sin.ring;
r->wi = streampos(ctlr, &ctlr->sin);
if(ctlr->sin.active && available(r) < Blocksize){
streamstop(ctlr, &ctlr->sin);
r->ri = r->wi = streampos(ctlr, &ctlr->sin);
}
wakeup(&r->r);
}
if(sts & Cis){
csr8(ctlr, Rirbsts) = Rirbrover|Rirbrint;
}
iunlock(ctlr);
}
static long
hdastatus(Audio *adev, void *a, long n, vlong)
{
Ctlr *ctlr = adev->ctlr;
Codec *codec;
Widget *w;
uint r;
int i, j, k;
char *s, *e;
s = a;
e = s + n;
s = seprint(s, e, "bufsize %6d buffered %6ld\n", Blocksize, buffered(&ctlr->sout.ring));
for(i=0; i<Maxcodecs; i++){
if((codec = ctlr->codec[i]) == nil)
continue;
s = seprint(s, e, "codec %d pin %d inpin %d\n",
codec->id.codec, ctlr->sout.pin, ctlr->sin.pin);
for(j=0; j<Maxwidgets; j++){
if((w = codec->widgets[j]) == nil)
continue;
switch(w->type){
case Wpin:
r = w->pin;
s = seprint(s, e, "%s %d %s%s %s %s %s %s %s%s%s",
widtype[w->type&7], w->id.nid,
(w->pincap & Pin) != 0 ? "in" : "",
(w->pincap & Pout) != 0 ? "out" : "",
pinport[(r >> 30) & 0x3],
pinloc2[(r >> 28) & 0x3],
pinloc[(r >> 24) & 0xf],
pinfunc[(r >> 20) & 0xf],
pincol[(r >> 12) & 0xf],
(w->pincap & Phdmi) ? " hdmi" : "",
(w->pincap & Peapd) ? " eapd" : ""
);
break;
default:
s = seprint(s, e, "%s %d %lux",
widtype[w->type&7], w->id.nid,
(ulong)w->cap);
}
if(w->nlist > 0){
s = seprint(s, e, " ← ");
for(k=0; k<w->nlist; k++){
if(k > 0)
s = seprint(s, e, ", ");
if(w->list[k] != nil)
s = seprint(s, e, "%s %d", widtype[w->list[k]->type&7], w->list[k]->id.nid);
}
}
s = seprint(s, e, "\n");
}
}
if(ctlr->sout.conv != nil && ctlr->sout.jack != nil){
s = seprint(s, e, "outpath ");
for(w=ctlr->sout.conv; w != nil; w = w->path){
s = seprint(s, e, "%s %d", widtype[w->type&7], w->id.nid);
if(w == ctlr->sout.jack)
break;
s = seprint(s, e, " → ");
}
s = seprint(s, e, "\n");
if((w = findoutamp(&ctlr->sout)) != nil)
s = seprint(s, e, "outamp %s %d\n", widtype[w->type&7], w->id.nid);
}
if(ctlr->sin.conv != nil && ctlr->sin.jack != nil){
s = seprint(s, e, "inpath ");
for(w=ctlr->sin.jack; w != nil; w = w->path){
s = seprint(s, e, "%s %d", widtype[w->type&7], w->id.nid);
if(w == ctlr->sin.conv)
break;
s = seprint(s, e, " → ");
}
s = seprint(s, e, "\n");
if((w = findinamp(&ctlr->sin)) != nil)
s = seprint(s, e, "inamp %s %d\n", widtype[w->type&7], w->id.nid);
}
return s - (char*)a;
}
static int
hdastart(Ctlr *ctlr)
{
static int cmdbufsize[] = { 2, 16, 256, 2048 };
int n, size;
u64int pa;
uint cap;
/* reset controller */
csr32(ctlr, Gctl) &= ~Rst;
waitup32(ctlr, Gctl, Rst, 0);
microdelay(Codecdelay);
csr32(ctlr, Gctl) |= Rst;
if(waitup32(ctlr, Gctl, Rst, Rst) &&
waitup32(ctlr, Gctl, Rst, Rst)){
print("#A%d: hda failed to reset\n", ctlr->no);
return -1;
}
microdelay(Codecdelay);
ctlr->codecmask = csr16(ctlr, Statests);
if(ctlr->codecmask == 0){
print("#A%d: hda no codecs\n", ctlr->no);
return -1;
}
cap = csr16(ctlr, Gcap);
ctlr->bss = (cap>>3) & 0x1F;
ctlr->iss = (cap>>8) & 0xF;
ctlr->oss = (cap>>12) & 0xF;
csr8(ctlr, Corbctl) = 0;
waitup8(ctlr, Corbctl, Corbdma, 0);
csr8(ctlr, Rirbctl) = 0;
waitup8(ctlr, Rirbctl, Rirbdma, 0);
/* alloc command buffers */
size = csr8(ctlr, Corbsz);
n = cmdbufsize[size & 3];
ctlr->corb = xspanalloc(n * 4, 128, 0);
memset(ctlr->corb, 0, n * 4);
ctlr->corbsize = n;
size = csr8(ctlr, Rirbsz);
n = cmdbufsize[size & 3];
ctlr->rirb = xspanalloc(n * 8, 128, 0);
memset(ctlr->rirb, 0, n * 8);
ctlr->rirbsize = n;
/* setup controller */
csr32(ctlr, Dplbase) = 0;
csr32(ctlr, Dpubase) = 0;
csr16(ctlr, Statests) = csr16(ctlr, Statests);
csr8(ctlr, Rirbsts) = csr8(ctlr, Rirbsts);
/* setup CORB */
pa = PCIWADDR(ctlr->corb);
csr32(ctlr, Corblbase) = pa;
csr32(ctlr, Corbubase) = pa >> 32;
csr16(ctlr, Corbwp) = 0;
csr16(ctlr, Corbrp) = Corbptrrst;
waitup16(ctlr, Corbrp, Corbptrrst, Corbptrrst);
csr16(ctlr, Corbrp) = 0;
waitup16(ctlr, Corbrp, Corbptrrst, 0);
csr8(ctlr, Corbctl) = Corbdma;
waitup8(ctlr, Corbctl, Corbdma, Corbdma);
/* setup RIRB */
pa = PCIWADDR(ctlr->rirb);
csr32(ctlr, Rirblbase) = pa;
csr32(ctlr, Rirbubase) = pa >> 32;
csr16(ctlr, Rirbwp) = Rirbptrrst;
/*
* qemu requires interrupt handshake,
* even tho we just poll the irb write
* pointer for command completion.
*/
csr16(ctlr, Rintcnt) = 1;
csr8(ctlr, Rirbctl) = Rirbdma|Rirbint;
waitup8(ctlr, Rirbctl, Rirbdma, Rirbdma);
return 0;
}
static Pcidev*
hdamatch(Pcidev *p)
{
while(p = pcimatch(p, 0, 0))
switch((p->vid << 16) | p->did){
case (0x8086 << 16) | 0x2668: /* Intel ICH6 (untested) */
case (0x8086 << 16) | 0x27d8: /* Intel ICH7 */
case (0x8086 << 16) | 0x269a: /* Intel ESB2 (untested) */
case (0x8086 << 16) | 0x284b: /* Intel ICH8 */
case (0x8086 << 16) | 0x293f: /* Intel ICH9 (untested) */
case (0x8086 << 16) | 0x293e: /* Intel P35 (untested) */
case (0x8086 << 16) | 0x3b56: /* Intel P55 (Ibex Peak) */
case (0x8086 << 16) | 0x811b: /* Intel SCH (Poulsbo) */
case (0x8086 << 16) | 0x080a: /* Intel SCH (Oaktrail) */
case (0x8086 << 16) | 0x1c20: /* Intel PCH */
case (0x8086 << 16) | 0x1e20: /* Intel (Thinkpad x230t) */
case (0x8086 << 16) | 0x8c20: /* Intel 8 Series/C220 Series */
case (0x8086 << 16) | 0x8ca0: /* Intel 9 Series */
case (0x8086 << 16) | 0x9c20: /* Intel 8 Series Lynx Point */
case (0x8086 << 16) | 0x9ca0: /* Intel Wildcat Point */
case (0x8086 << 16) | 0xa170: /* Intel Sunrise Point-H */
case (0x8086 << 16) | 0x9d70: /* Intel Sunrise Point-LP */
case (0x8086 << 16) | 0x9d71: /* Intel Kabylake-LP */
case (0x8086 << 16) | 0x3a6e: /* Intel ICH10 */
case (0x8086 << 16) | 0x3198: /* Intel Gemini-Lake */
case (0x8086 << 16) | 0x8d20: /* Intel C610/X99 */
case (0x8086 << 16) | 0xa2f0: /* Intel 200 Series PCH HD Audio */
case (0x8086 << 16) | 0xa3f0: /* Intel CometLake-S */
case (0x8086 << 16) | 0x0f04: /* Atom Z36*,Z37* */
case (0x8086 << 16) | 0x9dc8: /* Intel Cannon Point-LP */
case (0x10de << 16) | 0x026c: /* NVidia MCP51 (untested) */
case (0x10de << 16) | 0x0371: /* NVidia MCP55 (untested) */
case (0x10de << 16) | 0x03e4: /* NVidia MCP61 (untested) */
case (0x10de << 16) | 0x03f0: /* NVidia MCP61A (untested) */
case (0x10de << 16) | 0x044a: /* NVidia MCP65 (untested) */
case (0x10de << 16) | 0x055c: /* NVidia MCP67 (untested) */
case (0x10de << 16) | 0x0fbb: /* NVidia GM204 (untested) */
case (0x1002 << 16) | 0x437b: /* ATI SB450 (untested) */
case (0x1002 << 16) | 0x4383: /* ATI SB600 */
case (0x1002 << 16) | 0xaa55: /* ATI HDMI (8500 series) */
case (0x1002 << 16) | 0x7919: /* ATI HDMI */
case (0x1106 << 16) | 0x3288: /* VIA (untested) */
case (0x1039 << 16) | 0x7502: /* SIS (untested) */
case (0x10b9 << 16) | 0x5461: /* ULI (untested) */
case (0x1022 << 16) | 0x780d: /* AMD FCH Azalia Controller */
case (0x1022 << 16) | 0x1457: /* AMD Family 17h (Models 00h-0fh) HD Audio Controller */
case (0x1022 << 16) | 0x1487: /* AMD Starship/Matisse HD Audio Controller */
case (0x1022 << 16) | 0x15e3: /* AMD Raven HD Audio Controller */
case (0x15ad << 16) | 0x1977: /* Vmware */
return p;
}
return nil;
}
static long
hdacmdread(Chan *, void *a, long n, vlong)
{
Ctlr *ctlr;
ctlr = lastcard;
if(ctlr == nil)
error(Enodev);
if(n & 7)
error(Ebadarg);
return qread(ctlr->q, a, n);
}
static long
hdacmdwrite(Chan *, void *a, long n, vlong)
{
Ctlr *ctlr;
ulong *lp;
int i;
uint w[2];
ctlr = lastcard;
if(ctlr == nil)
error(Enodev);
if(n & 3)
error(Ebadarg);
lp = a;
qlock(ctlr);
for(i=0; i<n/4; i++){
if(hdacmd(ctlr, lp[i], w) <= 0){
w[0] = 0;
w[1] = ~0;
}
qproduce(ctlr->q, w, sizeof(w));
}
qunlock(ctlr);
return n;
}
static int
hdareset1(Audio *adev, Ctlr *ctlr)
{
int best, cad, irq, tbdf;
Pcidev *p;
p = ctlr->pcidev;
irq = p->intl;
tbdf = p->tbdf;
if(p->vid == 0x10de){
/* magic for NVidia */
pcicfgw8(p, 0x4e, (pcicfgr8(p, 0x4e) & 0xf0) | 0x0f);
}
if(p->vid == 0x10b9){
/* magic for ULI */
pcicfgw16(p, 0x40, pcicfgr16(p, 0x40) | 0x10);
pcicfgw32(p, PciBAR1, 0);
}
if(p->vid == 0x8086){
/* magic for Intel */
switch(p->did){
case 0x1c20: /* PCH */
case 0x1e20:
case 0x811b: /* SCH */
case 0x080a:
case 0x8c20:
case 0x8ca0:
case 0x9c20:
case 0x9ca0:
case 0xa170:
pcicfgw16(p, 0x78, pcicfgr16(p, 0x78) & ~0x800);
}
}
if(p->vid == 0x1002){
/* magic for ATI */
pcicfgw8(p, 0x42, pcicfgr8(p, 0x42) | 0x02);
} else {
/* TCSEL */
pcicfgw8(p, 0x44, pcicfgr8(p, 0x44) & 0xf8);
}
if(p->mem[0].bar & 1){
print("hda: bar0 %llux: not memory\n", p->mem[0].bar);
return -1;
}
ctlr->size = p->mem[0].size;
ctlr->port = p->mem[0].bar & ~0xF;
ctlr->mem = vmap(ctlr->port, ctlr->size);
if(ctlr->mem == nil){
print("hda: can't map %llux\n", ctlr->port);
return -1;
}
ctlr->no = adev->ctlrno;
print("#A%d: hda mem %llux irq %d\n", ctlr->no, ctlr->port, irq);
if(hdastart(ctlr) < 0){
print("#A%d: unable to start hda\n", ctlr->no);
return -1;
}
/* iss + oss + bss */
if(streamalloc(ctlr, &ctlr->sout, ctlr->iss) < 0)
print("#A%d: output streamalloc failed\n", ctlr->no);
if(ctlr->iss > 0){
if(streamalloc(ctlr, &ctlr->sin, 0) < 0)
print("#A%d: input streamalloc failed\n", ctlr->no);
}
else if(ctlr->bss > 0){
if(ctlr->oss > 0){
if(streamalloc(ctlr, &ctlr->sin, ctlr->oss) < 0)
print("#A%d: input streamalloc failed\n", ctlr->no);
} else if(ctlr->bss > 1) {
if(streamalloc(ctlr, &ctlr->sin, 1) < 0)
print("#A%d: input streamalloc failed\n", ctlr->no);
}
}
pcisetbme(p);
if(enumdev(ctlr) < 0){
print("#A%d: no audio codecs found\n", ctlr->no);
return -1;
}
muteall(ctlr);
best = bestpin(ctlr, &cad, scoreout);
if(best < 0)
print("#A%d: no output pins found\n", ctlr->no);
else if(connectpin(ctlr, &ctlr->sout, Waout, best, cad, nil) < 0)
print("#A%d: error connecting output pin\n", ctlr->no);
best = bestpin(ctlr, &cad, scorein);
if(best < 0)
print("#A%d: no input pins found\n", ctlr->no);
else if(connectpin(ctlr, &ctlr->sin, Wain, best, cad, nil) < 0)
print("#A%d: error connecting input pin\n", ctlr->no);
adev->ctlr = ctlr;
adev->read = hdaread;
adev->write = hdawrite;
adev->close = hdaclose;
adev->buffered = hdabuffered;
adev->volread = hdavolread;
adev->volwrite = hdavolwrite;
adev->status = hdastatus;
adev->ctl = hdactl;
intrenable(irq, hdainterrupt, adev, tbdf, "hda");
/* enable interrupts */
csr32(ctlr, Intctl) |= Gie | Cie;
ctlr->q = qopen(256, 0, 0, 0);
lastcard = ctlr;
addarchfile("hdacmd", 0664, hdacmdread, hdacmdwrite);
return 0;
}
static int
hdareset(Audio *adev)
{
static Ctlr *cards = nil;
Ctlr *ctlr;
Pcidev *p;
/* make a list of all cards if not already done */
if(cards == nil){
p = nil;
while((p = hdamatch(p)) != nil){
ctlr = mallocz(sizeof(Ctlr), 1);
if(ctlr == nil){
print("hda: can't allocate memory\n");
break;
}
ctlr->pcidev = p;
ctlr->next = cards;
cards = ctlr;
}
}
/* pick a card from the list */
for(ctlr = cards; ctlr != nil; ctlr = ctlr->next){
if(ctlr->adev == nil && ctlr->pcidev != nil){
ctlr->adev = adev;
pcienable(ctlr->pcidev);
if(hdareset1(adev, ctlr) == 0)
return 0;
pcidisable(ctlr->pcidev);
ctlr->pcidev = nil;
ctlr->adev = nil;
}
}
return -1;
}
void
audiohdalink(void)
{
addaudiocard("hda", hdareset);
}