--- /dev/null
+/*
+ * 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/hw.h"
+#include "hw/audio/audio.h"
+#include "audio/audio.h"
+#include "hw/pci/pci.h"
+#include "sysemu/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;
+ }
+ pci_set_irq(&s->dev, !!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;
+ }
+ }
+ pci_irq_deassert(&s->dev);
+}
+
+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 %zu, 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 %td 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 %td 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 %td 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 uint64_t es1370_read(void *opaque, hwaddr addr,
+ unsigned size)
+{
+ switch (size) {
+ case 1:
+ return es1370_readb(opaque, addr);
+ case 2:
+ return es1370_readw(opaque, addr);
+ case 4:
+ return es1370_readl(opaque, addr);
+ default:
+ return -1;
+ }
+}
+
+static void es1370_write(void *opaque, hwaddr addr, uint64_t val,
+ unsigned size)
+{
+ switch (size) {
+ case 1:
+ es1370_writeb(opaque, addr, val);
+ break;
+ case 2:
+ es1370_writew(opaque, addr, val);
+ break;
+ case 4:
+ es1370_writel(opaque, addr, val);
+ break;
+ }
+}
+
+static const MemoryRegionOps es1370_io_ops = {
+ .read = es1370_read,
+ .write = es1370_write,
+ .impl = {
+ .min_access_size = 1,
+ .max_access_size = 4,
+ },
+ .endianness = DEVICE_LITTLE_ENDIAN,
+};
+
+static const VMStateDescription vmstate_es1370_channel = {
+ .name = "es1370_channel",
+ .version_id = 2,
+ .minimum_version_id = 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,
+ .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 void es1370_realize(PCIDevice *dev, Error **errp)
+{
+ 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, OBJECT(s), &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);
+}
+
+static 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->realize = es1370_realize;
+ 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;
+ set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
+ dc->desc = "ENSONIQ AudioPCI ES1370";
+ dc->vmsd = &vmstate_es1370;
+}
+
+static const 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);
+ pci_register_soundhw("es1370", "ENSONIQ AudioPCI ES1370", es1370_init);
+}
+
+type_init (es1370_register_types)
+
Code Review / kvmfornfv.git / blobdiff