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qemu-irix/hw/es1370.c

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/*
* QEMU ES1370 emulation
*
* Copyright (c) 2005 Vassili Karpov (malc)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
/* #define DEBUG_ES1370 */
/* #define VERBOSE_ES1370 */
#define SILENT_ES1370
#include "hw.h"
#include "audiodev.h"
#include "audio/audio.h"
#include "pci.h"
#include "dma.h"
/* Missing stuff:
SCTRL_P[12](END|ST)INC
SCTRL_P1SCTRLD
SCTRL_P2DACSEN
CTRL_DAC_SYNC
MIDI
non looped mode
surely more
*/
/*
Following macros and samplerate array were copied verbatim from
Linux kernel 2.4.30: drivers/sound/es1370.c
Copyright (C) 1998-2001, 2003 Thomas Sailer (t.sailer@alumni.ethz.ch)
*/
/* Start blatant GPL violation */
#define ES1370_REG_CONTROL 0x00
#define ES1370_REG_STATUS 0x04
#define ES1370_REG_UART_DATA 0x08
#define ES1370_REG_UART_STATUS 0x09
#define ES1370_REG_UART_CONTROL 0x09
#define ES1370_REG_UART_TEST 0x0a
#define ES1370_REG_MEMPAGE 0x0c
#define ES1370_REG_CODEC 0x10
#define ES1370_REG_SERIAL_CONTROL 0x20
#define ES1370_REG_DAC1_SCOUNT 0x24
#define ES1370_REG_DAC2_SCOUNT 0x28
#define ES1370_REG_ADC_SCOUNT 0x2c
#define ES1370_REG_DAC1_FRAMEADR 0xc30
#define ES1370_REG_DAC1_FRAMECNT 0xc34
#define ES1370_REG_DAC2_FRAMEADR 0xc38
#define ES1370_REG_DAC2_FRAMECNT 0xc3c
#define ES1370_REG_ADC_FRAMEADR 0xd30
#define ES1370_REG_ADC_FRAMECNT 0xd34
#define ES1370_REG_PHANTOM_FRAMEADR 0xd38
#define ES1370_REG_PHANTOM_FRAMECNT 0xd3c
static const unsigned dac1_samplerate[] = { 5512, 11025, 22050, 44100 };
#define DAC2_SRTODIV(x) (((1411200+(x)/2)/(x))-2)
#define DAC2_DIVTOSR(x) (1411200/((x)+2))
#define CTRL_ADC_STOP 0x80000000 /* 1 = ADC stopped */
#define CTRL_XCTL1 0x40000000 /* electret mic bias */
#define CTRL_OPEN 0x20000000 /* no function, can be read and written */
#define CTRL_PCLKDIV 0x1fff0000 /* ADC/DAC2 clock divider */
#define CTRL_SH_PCLKDIV 16
#define CTRL_MSFMTSEL 0x00008000 /* MPEG serial data fmt: 0 = Sony, 1 = I2S */
#define CTRL_M_SBB 0x00004000 /* DAC2 clock: 0 = PCLKDIV, 1 = MPEG */
#define CTRL_WTSRSEL 0x00003000 /* DAC1 clock freq: 0=5512, 1=11025, 2=22050, 3=44100 */
#define CTRL_SH_WTSRSEL 12
#define CTRL_DAC_SYNC 0x00000800 /* 1 = DAC2 runs off DAC1 clock */
#define CTRL_CCB_INTRM 0x00000400 /* 1 = CCB "voice" ints enabled */
#define CTRL_M_CB 0x00000200 /* recording source: 0 = ADC, 1 = MPEG */
#define CTRL_XCTL0 0x00000100 /* 0 = Line in, 1 = Line out */
#define CTRL_BREQ 0x00000080 /* 1 = test mode (internal mem test) */
#define CTRL_DAC1_EN 0x00000040 /* enable DAC1 */
#define CTRL_DAC2_EN 0x00000020 /* enable DAC2 */
#define CTRL_ADC_EN 0x00000010 /* enable ADC */
#define CTRL_UART_EN 0x00000008 /* enable MIDI uart */
#define CTRL_JYSTK_EN 0x00000004 /* enable Joystick port (presumably at address 0x200) */
#define CTRL_CDC_EN 0x00000002 /* enable serial (CODEC) interface */
#define CTRL_SERR_DIS 0x00000001 /* 1 = disable PCI SERR signal */
#define STAT_INTR 0x80000000 /* wired or of all interrupt bits */
#define STAT_CSTAT 0x00000400 /* 1 = codec busy or codec write in progress */
#define STAT_CBUSY 0x00000200 /* 1 = codec busy */
#define STAT_CWRIP 0x00000100 /* 1 = codec write in progress */
#define STAT_VC 0x00000060 /* CCB int source, 0=DAC1, 1=DAC2, 2=ADC, 3=undef */
#define STAT_SH_VC 5
#define STAT_MCCB 0x00000010 /* CCB int pending */
#define STAT_UART 0x00000008 /* UART int pending */
#define STAT_DAC1 0x00000004 /* DAC1 int pending */
#define STAT_DAC2 0x00000002 /* DAC2 int pending */
#define STAT_ADC 0x00000001 /* ADC int pending */
#define USTAT_RXINT 0x80 /* UART rx int pending */
#define USTAT_TXINT 0x04 /* UART tx int pending */
#define USTAT_TXRDY 0x02 /* UART tx ready */
#define USTAT_RXRDY 0x01 /* UART rx ready */
#define UCTRL_RXINTEN 0x80 /* 1 = enable RX ints */
#define UCTRL_TXINTEN 0x60 /* TX int enable field mask */
#define UCTRL_ENA_TXINT 0x20 /* enable TX int */
#define UCTRL_CNTRL 0x03 /* control field */
#define UCTRL_CNTRL_SWR 0x03 /* software reset command */
#define SCTRL_P2ENDINC 0x00380000 /* */
#define SCTRL_SH_P2ENDINC 19
#define SCTRL_P2STINC 0x00070000 /* */
#define SCTRL_SH_P2STINC 16
#define SCTRL_R1LOOPSEL 0x00008000 /* 0 = loop mode */
#define SCTRL_P2LOOPSEL 0x00004000 /* 0 = loop mode */
#define SCTRL_P1LOOPSEL 0x00002000 /* 0 = loop mode */
#define SCTRL_P2PAUSE 0x00001000 /* 1 = pause mode */
#define SCTRL_P1PAUSE 0x00000800 /* 1 = pause mode */
#define SCTRL_R1INTEN 0x00000400 /* enable interrupt */
#define SCTRL_P2INTEN 0x00000200 /* enable interrupt */
#define SCTRL_P1INTEN 0x00000100 /* enable interrupt */
#define SCTRL_P1SCTRLD 0x00000080 /* reload sample count register for DAC1 */
#define SCTRL_P2DACSEN 0x00000040 /* 1 = DAC2 play back last sample when disabled */
#define SCTRL_R1SEB 0x00000020 /* 1 = 16bit */
#define SCTRL_R1SMB 0x00000010 /* 1 = stereo */
#define SCTRL_R1FMT 0x00000030 /* format mask */
#define SCTRL_SH_R1FMT 4
#define SCTRL_P2SEB 0x00000008 /* 1 = 16bit */
#define SCTRL_P2SMB 0x00000004 /* 1 = stereo */
#define SCTRL_P2FMT 0x0000000c /* format mask */
#define SCTRL_SH_P2FMT 2
#define SCTRL_P1SEB 0x00000002 /* 1 = 16bit */
#define SCTRL_P1SMB 0x00000001 /* 1 = stereo */
#define SCTRL_P1FMT 0x00000003 /* format mask */
#define SCTRL_SH_P1FMT 0
/* End blatant GPL violation */
#define NB_CHANNELS 3
#define DAC1_CHANNEL 0
#define DAC2_CHANNEL 1
#define ADC_CHANNEL 2
#define IO_READ_PROTO(n) \
static uint32_t n (void *opaque, uint32_t addr)
#define IO_WRITE_PROTO(n) \
static void n (void *opaque, uint32_t addr, uint32_t val)
static void es1370_dac1_callback (void *opaque, int free);
static void es1370_dac2_callback (void *opaque, int free);
static void es1370_adc_callback (void *opaque, int avail);
#ifdef DEBUG_ES1370
#define ldebug(...) AUD_log ("es1370", __VA_ARGS__)
static void print_ctl (uint32_t val)
{
char buf[1024];
buf[0] = '\0';
#define a(n) if (val & CTRL_##n) strcat (buf, " "#n)
a (ADC_STOP);
a (XCTL1);
a (OPEN);
a (MSFMTSEL);
a (M_SBB);
a (DAC_SYNC);
a (CCB_INTRM);
a (M_CB);
a (XCTL0);
a (BREQ);
a (DAC1_EN);
a (DAC2_EN);
a (ADC_EN);
a (UART_EN);
a (JYSTK_EN);
a (CDC_EN);
a (SERR_DIS);
#undef a
AUD_log ("es1370", "ctl - PCLKDIV %d(DAC2 freq %d), freq %d,%s\n",
(val & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV,
DAC2_DIVTOSR ((val & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV),
dac1_samplerate[(val & CTRL_WTSRSEL) >> CTRL_SH_WTSRSEL],
buf);
}
static void print_sctl (uint32_t val)
{
static const char *fmt_names[] = {"8M", "8S", "16M", "16S"};
char buf[1024];
buf[0] = '\0';
#define a(n) if (val & SCTRL_##n) strcat (buf, " "#n)
#define b(n) if (!(val & SCTRL_##n)) strcat (buf, " "#n)
b (R1LOOPSEL);
b (P2LOOPSEL);
b (P1LOOPSEL);
a (P2PAUSE);
a (P1PAUSE);
a (R1INTEN);
a (P2INTEN);
a (P1INTEN);
a (P1SCTRLD);
a (P2DACSEN);
if (buf[0]) {
strcat (buf, "\n ");
}
else {
buf[0] = ' ';
buf[1] = '\0';
}
#undef b
#undef a
AUD_log ("es1370",
"%s"
"p2_end_inc %d, p2_st_inc %d, r1_fmt %s, p2_fmt %s, p1_fmt %s\n",
buf,
(val & SCTRL_P2ENDINC) >> SCTRL_SH_P2ENDINC,
(val & SCTRL_P2STINC) >> SCTRL_SH_P2STINC,
fmt_names [(val >> SCTRL_SH_R1FMT) & 3],
fmt_names [(val >> SCTRL_SH_P2FMT) & 3],
fmt_names [(val >> SCTRL_SH_P1FMT) & 3]
);
}
#else
#define ldebug(...)
#define print_ctl(...)
#define print_sctl(...)
#endif
#ifdef VERBOSE_ES1370
#define dolog(...) AUD_log ("es1370", __VA_ARGS__)
#else
#define dolog(...)
#endif
#ifndef SILENT_ES1370
#define lwarn(...) AUD_log ("es1370: warning", __VA_ARGS__)
#else
#define lwarn(...)
#endif
struct chan {
uint32_t shift;
uint32_t leftover;
uint32_t scount;
uint32_t frame_addr;
uint32_t frame_cnt;
};
typedef struct ES1370State {
PCIDevice dev;
QEMUSoundCard card;
MemoryRegion io;
struct chan chan[NB_CHANNELS];
SWVoiceOut *dac_voice[2];
SWVoiceIn *adc_voice;
uint32_t ctl;
uint32_t status;
uint32_t mempage;
uint32_t codec;
uint32_t sctl;
} ES1370State;
struct chan_bits {
uint32_t ctl_en;
uint32_t stat_int;
uint32_t sctl_pause;
uint32_t sctl_inten;
uint32_t sctl_fmt;
uint32_t sctl_sh_fmt;
uint32_t sctl_loopsel;
void (*calc_freq) (ES1370State *s, uint32_t ctl,
uint32_t *old_freq, uint32_t *new_freq);
};
static void es1370_dac1_calc_freq (ES1370State *s, uint32_t ctl,
uint32_t *old_freq, uint32_t *new_freq);
static void es1370_dac2_and_adc_calc_freq (ES1370State *s, uint32_t ctl,
uint32_t *old_freq,
uint32_t *new_freq);
static const struct chan_bits es1370_chan_bits[] = {
{CTRL_DAC1_EN, STAT_DAC1, SCTRL_P1PAUSE, SCTRL_P1INTEN,
SCTRL_P1FMT, SCTRL_SH_P1FMT, SCTRL_P1LOOPSEL,
es1370_dac1_calc_freq},
{CTRL_DAC2_EN, STAT_DAC2, SCTRL_P2PAUSE, SCTRL_P2INTEN,
SCTRL_P2FMT, SCTRL_SH_P2FMT, SCTRL_P2LOOPSEL,
es1370_dac2_and_adc_calc_freq},
{CTRL_ADC_EN, STAT_ADC, 0, SCTRL_R1INTEN,
SCTRL_R1FMT, SCTRL_SH_R1FMT, SCTRL_R1LOOPSEL,
es1370_dac2_and_adc_calc_freq}
};
static void es1370_update_status (ES1370State *s, uint32_t new_status)
{
uint32_t level = new_status & (STAT_DAC1 | STAT_DAC2 | STAT_ADC);
if (level) {
s->status = new_status | STAT_INTR;
}
else {
s->status = new_status & ~STAT_INTR;
}
qemu_set_irq (s->dev.irq[0], !!level);
}
static void es1370_reset (ES1370State *s)
{
size_t i;
s->ctl = 1;
s->status = 0x60;
s->mempage = 0;
s->codec = 0;
s->sctl = 0;
for (i = 0; i < NB_CHANNELS; ++i) {
struct chan *d = &s->chan[i];
d->scount = 0;
d->leftover = 0;
if (i == ADC_CHANNEL) {
AUD_close_in (&s->card, s->adc_voice);
s->adc_voice = NULL;
}
else {
AUD_close_out (&s->card, s->dac_voice[i]);
s->dac_voice[i] = NULL;
}
}
qemu_irq_lower (s->dev.irq[0]);
}
static void es1370_maybe_lower_irq (ES1370State *s, uint32_t sctl)
{
uint32_t new_status = s->status;
if (!(sctl & SCTRL_P1INTEN) && (s->sctl & SCTRL_P1INTEN)) {
new_status &= ~STAT_DAC1;
}
if (!(sctl & SCTRL_P2INTEN) && (s->sctl & SCTRL_P2INTEN)) {
new_status &= ~STAT_DAC2;
}
if (!(sctl & SCTRL_R1INTEN) && (s->sctl & SCTRL_R1INTEN)) {
new_status &= ~STAT_ADC;
}
if (new_status != s->status) {
es1370_update_status (s, new_status);
}
}
static void es1370_dac1_calc_freq (ES1370State *s, uint32_t ctl,
uint32_t *old_freq, uint32_t *new_freq)
{
*old_freq = dac1_samplerate[(s->ctl & CTRL_WTSRSEL) >> CTRL_SH_WTSRSEL];
*new_freq = dac1_samplerate[(ctl & CTRL_WTSRSEL) >> CTRL_SH_WTSRSEL];
}
static void es1370_dac2_and_adc_calc_freq (ES1370State *s, uint32_t ctl,
uint32_t *old_freq,
uint32_t *new_freq)
{
uint32_t old_pclkdiv, new_pclkdiv;
new_pclkdiv = (ctl & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV;
old_pclkdiv = (s->ctl & CTRL_PCLKDIV) >> CTRL_SH_PCLKDIV;
*new_freq = DAC2_DIVTOSR (new_pclkdiv);
*old_freq = DAC2_DIVTOSR (old_pclkdiv);
}
static void es1370_update_voices (ES1370State *s, uint32_t ctl, uint32_t sctl)
{
size_t i;
uint32_t old_freq, new_freq, old_fmt, new_fmt;
for (i = 0; i < NB_CHANNELS; ++i) {
struct chan *d = &s->chan[i];
const struct chan_bits *b = &es1370_chan_bits[i];
new_fmt = (sctl & b->sctl_fmt) >> b->sctl_sh_fmt;
old_fmt = (s->sctl & b->sctl_fmt) >> b->sctl_sh_fmt;
b->calc_freq (s, ctl, &old_freq, &new_freq);
if ((old_fmt != new_fmt) || (old_freq != new_freq)) {
d->shift = (new_fmt & 1) + (new_fmt >> 1);
ldebug ("channel %d, freq = %d, nchannels %d, fmt %d, shift %d\n",
i,
new_freq,
1 << (new_fmt & 1),
(new_fmt & 2) ? AUD_FMT_S16 : AUD_FMT_U8,
d->shift);
if (new_freq) {
struct audsettings as;
as.freq = new_freq;
as.nchannels = 1 << (new_fmt & 1);
as.fmt = (new_fmt & 2) ? AUD_FMT_S16 : AUD_FMT_U8;
as.endianness = 0;
if (i == ADC_CHANNEL) {
s->adc_voice =
AUD_open_in (
&s->card,
s->adc_voice,
"es1370.adc",
s,
es1370_adc_callback,
&as
);
}
else {
s->dac_voice[i] =
AUD_open_out (
&s->card,
s->dac_voice[i],
i ? "es1370.dac2" : "es1370.dac1",
s,
i ? es1370_dac2_callback : es1370_dac1_callback,
&as
);
}
}
}
if (((ctl ^ s->ctl) & b->ctl_en)
|| ((sctl ^ s->sctl) & b->sctl_pause)) {
int on = (ctl & b->ctl_en) && !(sctl & b->sctl_pause);
if (i == ADC_CHANNEL) {
AUD_set_active_in (s->adc_voice, on);
}
else {
AUD_set_active_out (s->dac_voice[i], on);
}
}
}
s->ctl = ctl;
s->sctl = sctl;
}
static inline uint32_t es1370_fixup (ES1370State *s, uint32_t addr)
{
addr &= 0xff;
if (addr >= 0x30 && addr <= 0x3f)
addr |= s->mempage << 8;
return addr;
}
IO_WRITE_PROTO (es1370_writeb)
{
ES1370State *s = opaque;
uint32_t shift, mask;
addr = es1370_fixup (s, addr);
switch (addr) {
case ES1370_REG_CONTROL:
case ES1370_REG_CONTROL + 1:
case ES1370_REG_CONTROL + 2:
case ES1370_REG_CONTROL + 3:
shift = (addr - ES1370_REG_CONTROL) << 3;
mask = 0xff << shift;
val = (s->ctl & ~mask) | ((val & 0xff) << shift);
es1370_update_voices (s, val, s->sctl);
print_ctl (val);
break;
case ES1370_REG_MEMPAGE:
s->mempage = val;
break;
case ES1370_REG_SERIAL_CONTROL:
case ES1370_REG_SERIAL_CONTROL + 1:
case ES1370_REG_SERIAL_CONTROL + 2:
case ES1370_REG_SERIAL_CONTROL + 3:
shift = (addr - ES1370_REG_SERIAL_CONTROL) << 3;
mask = 0xff << shift;
val = (s->sctl & ~mask) | ((val & 0xff) << shift);
es1370_maybe_lower_irq (s, val);
es1370_update_voices (s, s->ctl, val);
print_sctl (val);
break;
default:
lwarn ("writeb %#x <- %#x\n", addr, val);
break;
}
}
IO_WRITE_PROTO (es1370_writew)
{
ES1370State *s = opaque;
addr = es1370_fixup (s, addr);
uint32_t shift, mask;
struct chan *d = &s->chan[0];
switch (addr) {
case ES1370_REG_CODEC:
dolog ("ignored codec write address %#x, data %#x\n",
(val >> 8) & 0xff, val & 0xff);
s->codec = val;
break;
case ES1370_REG_CONTROL:
case ES1370_REG_CONTROL + 2:
shift = (addr != ES1370_REG_CONTROL) << 4;
mask = 0xffff << shift;
val = (s->ctl & ~mask) | ((val & 0xffff) << shift);
es1370_update_voices (s, val, s->sctl);
print_ctl (val);
break;
case ES1370_REG_ADC_SCOUNT:
d++;
case ES1370_REG_DAC2_SCOUNT:
d++;
case ES1370_REG_DAC1_SCOUNT:
d->scount = (d->scount & ~0xffff) | (val & 0xffff);
break;
default:
lwarn ("writew %#x <- %#x\n", addr, val);
break;
}
}
IO_WRITE_PROTO (es1370_writel)
{
ES1370State *s = opaque;
struct chan *d = &s->chan[0];
addr = es1370_fixup (s, addr);
switch (addr) {
case ES1370_REG_CONTROL:
es1370_update_voices (s, val, s->sctl);
print_ctl (val);
break;
case ES1370_REG_MEMPAGE:
s->mempage = val & 0xf;
break;
case ES1370_REG_SERIAL_CONTROL:
es1370_maybe_lower_irq (s, val);
es1370_update_voices (s, s->ctl, val);
print_sctl (val);
break;
case ES1370_REG_ADC_SCOUNT:
d++;
case ES1370_REG_DAC2_SCOUNT:
d++;
case ES1370_REG_DAC1_SCOUNT:
d->scount = (val & 0xffff) | (d->scount & ~0xffff);
ldebug ("chan %d CURR_SAMP_CT %d, SAMP_CT %d\n",
d - &s->chan[0], val >> 16, (val & 0xffff));
break;
case ES1370_REG_ADC_FRAMEADR:
d++;
case ES1370_REG_DAC2_FRAMEADR:
d++;
case ES1370_REG_DAC1_FRAMEADR:
d->frame_addr = val;
ldebug ("chan %d frame address %#x\n", d - &s->chan[0], val);
break;
case ES1370_REG_PHANTOM_FRAMECNT:
lwarn ("writing to phantom frame count %#x\n", val);
break;
case ES1370_REG_PHANTOM_FRAMEADR:
lwarn ("writing to phantom frame address %#x\n", val);
break;
case ES1370_REG_ADC_FRAMECNT:
d++;
case ES1370_REG_DAC2_FRAMECNT:
d++;
case ES1370_REG_DAC1_FRAMECNT:
d->frame_cnt = val;
d->leftover = 0;
ldebug ("chan %d frame count %d, buffer size %d\n",
d - &s->chan[0], val >> 16, val & 0xffff);
break;
default:
lwarn ("writel %#x <- %#x\n", addr, val);
break;
}
}
IO_READ_PROTO (es1370_readb)
{
ES1370State *s = opaque;
uint32_t val;
addr = es1370_fixup (s, addr);
switch (addr) {
case 0x1b: /* Legacy */
lwarn ("Attempt to read from legacy register\n");
val = 5;
break;
case ES1370_REG_MEMPAGE:
val = s->mempage;
break;
case ES1370_REG_CONTROL + 0:
case ES1370_REG_CONTROL + 1:
case ES1370_REG_CONTROL + 2:
case ES1370_REG_CONTROL + 3:
val = s->ctl >> ((addr - ES1370_REG_CONTROL) << 3);
break;
case ES1370_REG_STATUS + 0:
case ES1370_REG_STATUS + 1:
case ES1370_REG_STATUS + 2:
case ES1370_REG_STATUS + 3:
val = s->status >> ((addr - ES1370_REG_STATUS) << 3);
break;
default:
val = ~0;
lwarn ("readb %#x -> %#x\n", addr, val);
break;
}
return val;
}
IO_READ_PROTO (es1370_readw)
{
ES1370State *s = opaque;
struct chan *d = &s->chan[0];
uint32_t val;
addr = es1370_fixup (s, addr);
switch (addr) {
case ES1370_REG_ADC_SCOUNT + 2:
d++;
case ES1370_REG_DAC2_SCOUNT + 2:
d++;
case ES1370_REG_DAC1_SCOUNT + 2:
val = d->scount >> 16;
break;
case ES1370_REG_ADC_FRAMECNT:
d++;
case ES1370_REG_DAC2_FRAMECNT:
d++;
case ES1370_REG_DAC1_FRAMECNT:
val = d->frame_cnt & 0xffff;
break;
case ES1370_REG_ADC_FRAMECNT + 2:
d++;
case ES1370_REG_DAC2_FRAMECNT + 2:
d++;
case ES1370_REG_DAC1_FRAMECNT + 2:
val = d->frame_cnt >> 16;
break;
default:
val = ~0;
lwarn ("readw %#x -> %#x\n", addr, val);
break;
}
return val;
}
IO_READ_PROTO (es1370_readl)
{
ES1370State *s = opaque;
uint32_t val;
struct chan *d = &s->chan[0];
addr = es1370_fixup (s, addr);
switch (addr) {
case ES1370_REG_CONTROL:
val = s->ctl;
break;
case ES1370_REG_STATUS:
val = s->status;
break;
case ES1370_REG_MEMPAGE:
val = s->mempage;
break;
case ES1370_REG_CODEC:
val = s->codec;
break;
case ES1370_REG_SERIAL_CONTROL:
val = s->sctl;
break;
case ES1370_REG_ADC_SCOUNT:
d++;
case ES1370_REG_DAC2_SCOUNT:
d++;
case ES1370_REG_DAC1_SCOUNT:
val = d->scount;
#ifdef DEBUG_ES1370
{
uint32_t curr_count = d->scount >> 16;
uint32_t count = d->scount & 0xffff;
curr_count <<= d->shift;
count <<= d->shift;
dolog ("read scount curr %d, total %d\n", curr_count, count);
}
#endif
break;
case ES1370_REG_ADC_FRAMECNT:
d++;
case ES1370_REG_DAC2_FRAMECNT:
d++;
case ES1370_REG_DAC1_FRAMECNT:
val = d->frame_cnt;
#ifdef DEBUG_ES1370
{
uint32_t size = ((d->frame_cnt & 0xffff) + 1) << 2;
uint32_t curr = ((d->frame_cnt >> 16) + 1) << 2;
if (curr > size)
dolog ("read framecnt curr %d, size %d %d\n", curr, size,
curr > size);
}
#endif
break;
case ES1370_REG_ADC_FRAMEADR:
d++;
case ES1370_REG_DAC2_FRAMEADR:
d++;
case ES1370_REG_DAC1_FRAMEADR:
val = d->frame_addr;
break;
case ES1370_REG_PHANTOM_FRAMECNT:
val = ~0U;
lwarn ("reading from phantom frame count\n");
break;
case ES1370_REG_PHANTOM_FRAMEADR:
val = ~0U;
lwarn ("reading from phantom frame address\n");
break;
default:
val = ~0U;
lwarn ("readl %#x -> %#x\n", addr, val);
break;
}
return val;
}
static void es1370_transfer_audio (ES1370State *s, struct chan *d, int loop_sel,
int max, int *irq)
{
uint8_t tmpbuf[4096];
uint32_t addr = d->frame_addr;
int sc = d->scount & 0xffff;
int csc = d->scount >> 16;
int csc_bytes = (csc + 1) << d->shift;
int cnt = d->frame_cnt >> 16;
int size = d->frame_cnt & 0xffff;
int left = ((size - cnt + 1) << 2) + d->leftover;
int transferred = 0;
int temp = audio_MIN (max, audio_MIN (left, csc_bytes));
int index = d - &s->chan[0];
addr += (cnt << 2) + d->leftover;
if (index == ADC_CHANNEL) {
while (temp) {
int acquired, to_copy;
to_copy = audio_MIN ((size_t) temp, sizeof (tmpbuf));
acquired = AUD_read (s->adc_voice, tmpbuf, to_copy);
if (!acquired)
break;
pci_dma_write (&s->dev, addr, tmpbuf, acquired);
temp -= acquired;
addr += acquired;
transferred += acquired;
}
}
else {
SWVoiceOut *voice = s->dac_voice[index];
while (temp) {
int copied, to_copy;
to_copy = audio_MIN ((size_t) temp, sizeof (tmpbuf));
pci_dma_read (&s->dev, addr, tmpbuf, to_copy);
copied = AUD_write (voice, tmpbuf, to_copy);
if (!copied)
break;
temp -= copied;
addr += copied;
transferred += copied;
}
}
if (csc_bytes == transferred) {
*irq = 1;
d->scount = sc | (sc << 16);
ldebug ("sc = %d, rate = %f\n",
(sc + 1) << d->shift,
(sc + 1) / (double) 44100);
}
else {
*irq = 0;
d->scount = sc | (((csc_bytes - transferred - 1) >> d->shift) << 16);
}
cnt += (transferred + d->leftover) >> 2;
if (s->sctl & loop_sel) {
/* Bah, how stupid is that having a 0 represent true value?
i just spent few hours on this shit */
AUD_log ("es1370: warning", "non looping mode\n");
}
else {
d->frame_cnt = size;
if ((uint32_t) cnt <= d->frame_cnt)
d->frame_cnt |= cnt << 16;
}
d->leftover = (transferred + d->leftover) & 3;
}
static void es1370_run_channel (ES1370State *s, size_t chan, int free_or_avail)
{
uint32_t new_status = s->status;
int max_bytes, irq;
struct chan *d = &s->chan[chan];
const struct chan_bits *b = &es1370_chan_bits[chan];
if (!(s->ctl & b->ctl_en) || (s->sctl & b->sctl_pause)) {
return;
}
max_bytes = free_or_avail;
max_bytes &= ~((1 << d->shift) - 1);
if (!max_bytes) {
return;
}
es1370_transfer_audio (s, d, b->sctl_loopsel, max_bytes, &irq);
if (irq) {
if (s->sctl & b->sctl_inten) {
new_status |= b->stat_int;
}
}
if (new_status != s->status) {
es1370_update_status (s, new_status);
}
}
static void es1370_dac1_callback (void *opaque, int free)
{
ES1370State *s = opaque;
es1370_run_channel (s, DAC1_CHANNEL, free);
}
static void es1370_dac2_callback (void *opaque, int free)
{
ES1370State *s = opaque;
es1370_run_channel (s, DAC2_CHANNEL, free);
}
static void es1370_adc_callback (void *opaque, int avail)
{
ES1370State *s = opaque;
es1370_run_channel (s, ADC_CHANNEL, avail);
}
static const MemoryRegionPortio es1370_portio[] = {
{ 0, 0x40 * 4, 1, .write = es1370_writeb, },
{ 0, 0x40 * 2, 2, .write = es1370_writew, },
{ 0, 0x40, 4, .write = es1370_writel, },
{ 0, 0x40 * 4, 1, .read = es1370_readb, },
{ 0, 0x40 * 2, 2, .read = es1370_readw, },
{ 0, 0x40, 4, .read = es1370_readl, },
PORTIO_END_OF_LIST ()
};
static const MemoryRegionOps es1370_io_ops = {
.old_portio = es1370_portio,
.endianness = DEVICE_LITTLE_ENDIAN,
};
static const VMStateDescription vmstate_es1370_channel = {
.name = "es1370_channel",
.version_id = 2,
.minimum_version_id = 2,
.minimum_version_id_old = 2,
.fields = (VMStateField []) {
VMSTATE_UINT32 (shift, struct chan),
VMSTATE_UINT32 (leftover, struct chan),
VMSTATE_UINT32 (scount, struct chan),
VMSTATE_UINT32 (frame_addr, struct chan),
VMSTATE_UINT32 (frame_cnt, struct chan),
VMSTATE_END_OF_LIST ()
}
};
static int es1370_post_load (void *opaque, int version_id)
{
uint32_t ctl, sctl;
ES1370State *s = opaque;
size_t i;
for (i = 0; i < NB_CHANNELS; ++i) {
if (i == ADC_CHANNEL) {
if (s->adc_voice) {
AUD_close_in (&s->card, s->adc_voice);
s->adc_voice = NULL;
}
}
else {
if (s->dac_voice[i]) {
AUD_close_out (&s->card, s->dac_voice[i]);
s->dac_voice[i] = NULL;
}
}
}
ctl = s->ctl;
sctl = s->sctl;
s->ctl = 0;
s->sctl = 0;
es1370_update_voices (s, ctl, sctl);
return 0;
}
static const VMStateDescription vmstate_es1370 = {
.name = "es1370",
.version_id = 2,
.minimum_version_id = 2,
.minimum_version_id_old = 2,
.post_load = es1370_post_load,
.fields = (VMStateField []) {
VMSTATE_PCI_DEVICE (dev, ES1370State),
VMSTATE_STRUCT_ARRAY (chan, ES1370State, NB_CHANNELS, 2,
vmstate_es1370_channel, struct chan),
VMSTATE_UINT32 (ctl, ES1370State),
VMSTATE_UINT32 (status, ES1370State),
VMSTATE_UINT32 (mempage, ES1370State),
VMSTATE_UINT32 (codec, ES1370State),
VMSTATE_UINT32 (sctl, ES1370State),
VMSTATE_END_OF_LIST ()
}
};
static void es1370_on_reset (void *opaque)
{
ES1370State *s = opaque;
es1370_reset (s);
}
static int es1370_initfn (PCIDevice *dev)
{
ES1370State *s = DO_UPCAST (ES1370State, dev, dev);
uint8_t *c = s->dev.config;
c[PCI_STATUS + 1] = PCI_STATUS_DEVSEL_SLOW >> 8;
#if 0
c[PCI_CAPABILITY_LIST] = 0xdc;
c[PCI_INTERRUPT_LINE] = 10;
c[0xdc] = 0x00;
#endif
c[PCI_INTERRUPT_PIN] = 1;
c[PCI_MIN_GNT] = 0x0c;
c[PCI_MAX_LAT] = 0x80;
memory_region_init_io (&s->io, &es1370_io_ops, s, "es1370", 256);
pci_register_bar (&s->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io);
qemu_register_reset (es1370_on_reset, s);
AUD_register_card ("es1370", &s->card);
es1370_reset (s);
return 0;
}
static int es1370_exitfn (PCIDevice *dev)
{
ES1370State *s = DO_UPCAST (ES1370State, dev, dev);
memory_region_destroy (&s->io);
return 0;
}
int es1370_init (PCIBus *bus)
{
pci_create_simple (bus, -1, "ES1370");
return 0;
}
static void es1370_class_init (ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS (klass);
PCIDeviceClass *k = PCI_DEVICE_CLASS (klass);
k->init = es1370_initfn;
k->exit = es1370_exitfn;
k->vendor_id = PCI_VENDOR_ID_ENSONIQ;
k->device_id = PCI_DEVICE_ID_ENSONIQ_ES1370;
k->class_id = PCI_CLASS_MULTIMEDIA_AUDIO;
k->subsystem_vendor_id = 0x4942;
k->subsystem_id = 0x4c4c;
dc->desc = "ENSONIQ AudioPCI ES1370";
dc->vmsd = &vmstate_es1370;
}
static TypeInfo es1370_info = {
.name = "ES1370",
.parent = TYPE_PCI_DEVICE,
.instance_size = sizeof (ES1370State),
.class_init = es1370_class_init,
};
static void es1370_register_types (void)
{
type_register_static (&es1370_info);
}
type_init (es1370_register_types)
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