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-rw-r--r--hw/audio/ac97.c1438
1 files changed, 1438 insertions, 0 deletions
diff --git a/hw/audio/ac97.c b/hw/audio/ac97.c
new file mode 100644
index 0000000..ab68ec6
--- /dev/null
+++ b/hw/audio/ac97.c
@@ -0,0 +1,1438 @@
+/*
+ * Copyright (C) 2006 InnoTek Systemberatung GmbH
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License as published by the Free Software Foundation,
+ * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
+ * distribution. VirtualBox OSE is distributed in the hope that it will
+ * be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * If you received this file as part of a commercial VirtualBox
+ * distribution, then only the terms of your commercial VirtualBox
+ * license agreement apply instead of the previous paragraph.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
+ */
+
+#include "hw/hw.h"
+#include "hw/audio/audio.h"
+#include "audio/audio.h"
+#include "hw/pci/pci.h"
+#include "sysemu/dma.h"
+
+enum {
+ AC97_Reset = 0x00,
+ AC97_Master_Volume_Mute = 0x02,
+ AC97_Headphone_Volume_Mute = 0x04,
+ AC97_Master_Volume_Mono_Mute = 0x06,
+ AC97_Master_Tone_RL = 0x08,
+ AC97_PC_BEEP_Volume_Mute = 0x0A,
+ AC97_Phone_Volume_Mute = 0x0C,
+ AC97_Mic_Volume_Mute = 0x0E,
+ AC97_Line_In_Volume_Mute = 0x10,
+ AC97_CD_Volume_Mute = 0x12,
+ AC97_Video_Volume_Mute = 0x14,
+ AC97_Aux_Volume_Mute = 0x16,
+ AC97_PCM_Out_Volume_Mute = 0x18,
+ AC97_Record_Select = 0x1A,
+ AC97_Record_Gain_Mute = 0x1C,
+ AC97_Record_Gain_Mic_Mute = 0x1E,
+ AC97_General_Purpose = 0x20,
+ AC97_3D_Control = 0x22,
+ AC97_AC_97_RESERVED = 0x24,
+ AC97_Powerdown_Ctrl_Stat = 0x26,
+ AC97_Extended_Audio_ID = 0x28,
+ AC97_Extended_Audio_Ctrl_Stat = 0x2A,
+ AC97_PCM_Front_DAC_Rate = 0x2C,
+ AC97_PCM_Surround_DAC_Rate = 0x2E,
+ AC97_PCM_LFE_DAC_Rate = 0x30,
+ AC97_PCM_LR_ADC_Rate = 0x32,
+ AC97_MIC_ADC_Rate = 0x34,
+ AC97_6Ch_Vol_C_LFE_Mute = 0x36,
+ AC97_6Ch_Vol_L_R_Surround_Mute = 0x38,
+ AC97_Vendor_Reserved = 0x58,
+ AC97_Sigmatel_Analog = 0x6c, /* We emulate a Sigmatel codec */
+ AC97_Sigmatel_Dac2Invert = 0x6e, /* We emulate a Sigmatel codec */
+ AC97_Vendor_ID1 = 0x7c,
+ AC97_Vendor_ID2 = 0x7e
+};
+
+#define SOFT_VOLUME
+#define SR_FIFOE 16 /* rwc */
+#define SR_BCIS 8 /* rwc */
+#define SR_LVBCI 4 /* rwc */
+#define SR_CELV 2 /* ro */
+#define SR_DCH 1 /* ro */
+#define SR_VALID_MASK ((1 << 5) - 1)
+#define SR_WCLEAR_MASK (SR_FIFOE | SR_BCIS | SR_LVBCI)
+#define SR_RO_MASK (SR_DCH | SR_CELV)
+#define SR_INT_MASK (SR_FIFOE | SR_BCIS | SR_LVBCI)
+
+#define CR_IOCE 16 /* rw */
+#define CR_FEIE 8 /* rw */
+#define CR_LVBIE 4 /* rw */
+#define CR_RR 2 /* rw */
+#define CR_RPBM 1 /* rw */
+#define CR_VALID_MASK ((1 << 5) - 1)
+#define CR_DONT_CLEAR_MASK (CR_IOCE | CR_FEIE | CR_LVBIE)
+
+#define GC_WR 4 /* rw */
+#define GC_CR 2 /* rw */
+#define GC_VALID_MASK ((1 << 6) - 1)
+
+#define GS_MD3 (1<<17) /* rw */
+#define GS_AD3 (1<<16) /* rw */
+#define GS_RCS (1<<15) /* rwc */
+#define GS_B3S12 (1<<14) /* ro */
+#define GS_B2S12 (1<<13) /* ro */
+#define GS_B1S12 (1<<12) /* ro */
+#define GS_S1R1 (1<<11) /* rwc */
+#define GS_S0R1 (1<<10) /* rwc */
+#define GS_S1CR (1<<9) /* ro */
+#define GS_S0CR (1<<8) /* ro */
+#define GS_MINT (1<<7) /* ro */
+#define GS_POINT (1<<6) /* ro */
+#define GS_PIINT (1<<5) /* ro */
+#define GS_RSRVD ((1<<4)|(1<<3))
+#define GS_MOINT (1<<2) /* ro */
+#define GS_MIINT (1<<1) /* ro */
+#define GS_GSCI 1 /* rwc */
+#define GS_RO_MASK (GS_B3S12| \
+ GS_B2S12| \
+ GS_B1S12| \
+ GS_S1CR| \
+ GS_S0CR| \
+ GS_MINT| \
+ GS_POINT| \
+ GS_PIINT| \
+ GS_RSRVD| \
+ GS_MOINT| \
+ GS_MIINT)
+#define GS_VALID_MASK ((1 << 18) - 1)
+#define GS_WCLEAR_MASK (GS_RCS|GS_S1R1|GS_S0R1|GS_GSCI)
+
+#define BD_IOC (1<<31)
+#define BD_BUP (1<<30)
+
+#define EACS_VRA 1
+#define EACS_VRM 8
+
+#define MUTE_SHIFT 15
+
+#define REC_MASK 7
+enum {
+ REC_MIC = 0,
+ REC_CD,
+ REC_VIDEO,
+ REC_AUX,
+ REC_LINE_IN,
+ REC_STEREO_MIX,
+ REC_MONO_MIX,
+ REC_PHONE
+};
+
+typedef struct BD {
+ uint32_t addr;
+ uint32_t ctl_len;
+} BD;
+
+typedef struct AC97BusMasterRegs {
+ uint32_t bdbar; /* rw 0 */
+ uint8_t civ; /* ro 0 */
+ uint8_t lvi; /* rw 0 */
+ uint16_t sr; /* rw 1 */
+ uint16_t picb; /* ro 0 */
+ uint8_t piv; /* ro 0 */
+ uint8_t cr; /* rw 0 */
+ unsigned int bd_valid;
+ BD bd;
+} AC97BusMasterRegs;
+
+typedef struct AC97LinkState {
+ PCIDevice dev;
+ QEMUSoundCard card;
+ uint32_t use_broken_id;
+ uint32_t glob_cnt;
+ uint32_t glob_sta;
+ uint32_t cas;
+ uint32_t last_samp;
+ AC97BusMasterRegs bm_regs[3];
+ uint8_t mixer_data[256];
+ SWVoiceIn *voice_pi;
+ SWVoiceOut *voice_po;
+ SWVoiceIn *voice_mc;
+ int invalid_freq[3];
+ uint8_t silence[128];
+ int bup_flag;
+ MemoryRegion io_nam;
+ MemoryRegion io_nabm;
+} AC97LinkState;
+
+enum {
+ BUP_SET = 1,
+ BUP_LAST = 2
+};
+
+#ifdef DEBUG_AC97
+#define dolog(...) AUD_log ("ac97", __VA_ARGS__)
+#else
+#define dolog(...)
+#endif
+
+#define MKREGS(prefix, start) \
+enum { \
+ prefix ## _BDBAR = start, \
+ prefix ## _CIV = start + 4, \
+ prefix ## _LVI = start + 5, \
+ prefix ## _SR = start + 6, \
+ prefix ## _PICB = start + 8, \
+ prefix ## _PIV = start + 10, \
+ prefix ## _CR = start + 11 \
+}
+
+enum {
+ PI_INDEX = 0,
+ PO_INDEX,
+ MC_INDEX,
+ LAST_INDEX
+};
+
+MKREGS (PI, PI_INDEX * 16);
+MKREGS (PO, PO_INDEX * 16);
+MKREGS (MC, MC_INDEX * 16);
+
+enum {
+ GLOB_CNT = 0x2c,
+ GLOB_STA = 0x30,
+ CAS = 0x34
+};
+
+#define GET_BM(index) (((index) >> 4) & 3)
+
+static void po_callback (void *opaque, int free);
+static void pi_callback (void *opaque, int avail);
+static void mc_callback (void *opaque, int avail);
+
+static void warm_reset (AC97LinkState *s)
+{
+ (void) s;
+}
+
+static void cold_reset (AC97LinkState * s)
+{
+ (void) s;
+}
+
+static void fetch_bd (AC97LinkState *s, AC97BusMasterRegs *r)
+{
+ uint8_t b[8];
+
+ pci_dma_read (&s->dev, r->bdbar + r->civ * 8, b, 8);
+ r->bd_valid = 1;
+ r->bd.addr = le32_to_cpu (*(uint32_t *) &b[0]) & ~3;
+ r->bd.ctl_len = le32_to_cpu (*(uint32_t *) &b[4]);
+ r->picb = r->bd.ctl_len & 0xffff;
+ dolog ("bd %2d addr=%#x ctl=%#06x len=%#x(%d bytes)\n",
+ r->civ, r->bd.addr, r->bd.ctl_len >> 16,
+ r->bd.ctl_len & 0xffff,
+ (r->bd.ctl_len & 0xffff) << 1);
+}
+
+static void update_sr (AC97LinkState *s, AC97BusMasterRegs *r, uint32_t new_sr)
+{
+ int event = 0;
+ int level = 0;
+ uint32_t new_mask = new_sr & SR_INT_MASK;
+ uint32_t old_mask = r->sr & SR_INT_MASK;
+ uint32_t masks[] = {GS_PIINT, GS_POINT, GS_MINT};
+
+ if (new_mask ^ old_mask) {
+ /** @todo is IRQ deasserted when only one of status bits is cleared? */
+ if (!new_mask) {
+ event = 1;
+ level = 0;
+ }
+ else {
+ if ((new_mask & SR_LVBCI) && (r->cr & CR_LVBIE)) {
+ event = 1;
+ level = 1;
+ }
+ if ((new_mask & SR_BCIS) && (r->cr & CR_IOCE)) {
+ event = 1;
+ level = 1;
+ }
+ }
+ }
+
+ r->sr = new_sr;
+
+ dolog ("IOC%d LVB%d sr=%#x event=%d level=%d\n",
+ r->sr & SR_BCIS, r->sr & SR_LVBCI,
+ r->sr,
+ event, level);
+
+ if (!event)
+ return;
+
+ if (level) {
+ s->glob_sta |= masks[r - s->bm_regs];
+ dolog ("set irq level=1\n");
+ qemu_set_irq (s->dev.irq[0], 1);
+ }
+ else {
+ s->glob_sta &= ~masks[r - s->bm_regs];
+ dolog ("set irq level=0\n");
+ qemu_set_irq (s->dev.irq[0], 0);
+ }
+}
+
+static void voice_set_active (AC97LinkState *s, int bm_index, int on)
+{
+ switch (bm_index) {
+ case PI_INDEX:
+ AUD_set_active_in (s->voice_pi, on);
+ break;
+
+ case PO_INDEX:
+ AUD_set_active_out (s->voice_po, on);
+ break;
+
+ case MC_INDEX:
+ AUD_set_active_in (s->voice_mc, on);
+ break;
+
+ default:
+ AUD_log ("ac97", "invalid bm_index(%d) in voice_set_active", bm_index);
+ break;
+ }
+}
+
+static void reset_bm_regs (AC97LinkState *s, AC97BusMasterRegs *r)
+{
+ dolog ("reset_bm_regs\n");
+ r->bdbar = 0;
+ r->civ = 0;
+ r->lvi = 0;
+ /** todo do we need to do that? */
+ update_sr (s, r, SR_DCH);
+ r->picb = 0;
+ r->piv = 0;
+ r->cr = r->cr & CR_DONT_CLEAR_MASK;
+ r->bd_valid = 0;
+
+ voice_set_active (s, r - s->bm_regs, 0);
+ memset (s->silence, 0, sizeof (s->silence));
+}
+
+static void mixer_store (AC97LinkState *s, uint32_t i, uint16_t v)
+{
+ if (i + 2 > sizeof (s->mixer_data)) {
+ dolog ("mixer_store: index %d out of bounds %zd\n",
+ i, sizeof (s->mixer_data));
+ return;
+ }
+
+ s->mixer_data[i + 0] = v & 0xff;
+ s->mixer_data[i + 1] = v >> 8;
+}
+
+static uint16_t mixer_load (AC97LinkState *s, uint32_t i)
+{
+ uint16_t val = 0xffff;
+
+ if (i + 2 > sizeof (s->mixer_data)) {
+ dolog ("mixer_load: index %d out of bounds %zd\n",
+ i, sizeof (s->mixer_data));
+ }
+ else {
+ val = s->mixer_data[i + 0] | (s->mixer_data[i + 1] << 8);
+ }
+
+ return val;
+}
+
+static void open_voice (AC97LinkState *s, int index, int freq)
+{
+ struct audsettings as;
+
+ as.freq = freq;
+ as.nchannels = 2;
+ as.fmt = AUD_FMT_S16;
+ as.endianness = 0;
+
+ if (freq > 0) {
+ s->invalid_freq[index] = 0;
+ switch (index) {
+ case PI_INDEX:
+ s->voice_pi = AUD_open_in (
+ &s->card,
+ s->voice_pi,
+ "ac97.pi",
+ s,
+ pi_callback,
+ &as
+ );
+ break;
+
+ case PO_INDEX:
+ s->voice_po = AUD_open_out (
+ &s->card,
+ s->voice_po,
+ "ac97.po",
+ s,
+ po_callback,
+ &as
+ );
+ break;
+
+ case MC_INDEX:
+ s->voice_mc = AUD_open_in (
+ &s->card,
+ s->voice_mc,
+ "ac97.mc",
+ s,
+ mc_callback,
+ &as
+ );
+ break;
+ }
+ }
+ else {
+ s->invalid_freq[index] = freq;
+ switch (index) {
+ case PI_INDEX:
+ AUD_close_in (&s->card, s->voice_pi);
+ s->voice_pi = NULL;
+ break;
+
+ case PO_INDEX:
+ AUD_close_out (&s->card, s->voice_po);
+ s->voice_po = NULL;
+ break;
+
+ case MC_INDEX:
+ AUD_close_in (&s->card, s->voice_mc);
+ s->voice_mc = NULL;
+ break;
+ }
+ }
+}
+
+static void reset_voices (AC97LinkState *s, uint8_t active[LAST_INDEX])
+{
+ uint16_t freq;
+
+ freq = mixer_load (s, AC97_PCM_LR_ADC_Rate);
+ open_voice (s, PI_INDEX, freq);
+ AUD_set_active_in (s->voice_pi, active[PI_INDEX]);
+
+ freq = mixer_load (s, AC97_PCM_Front_DAC_Rate);
+ open_voice (s, PO_INDEX, freq);
+ AUD_set_active_out (s->voice_po, active[PO_INDEX]);
+
+ freq = mixer_load (s, AC97_MIC_ADC_Rate);
+ open_voice (s, MC_INDEX, freq);
+ AUD_set_active_in (s->voice_mc, active[MC_INDEX]);
+}
+
+static void get_volume (uint16_t vol, uint16_t mask, int inverse,
+ int *mute, uint8_t *lvol, uint8_t *rvol)
+{
+ *mute = (vol >> MUTE_SHIFT) & 1;
+ *rvol = (255 * (vol & mask)) / mask;
+ *lvol = (255 * ((vol >> 8) & mask)) / mask;
+
+ if (inverse) {
+ *rvol = 255 - *rvol;
+ *lvol = 255 - *lvol;
+ }
+}
+
+static void update_combined_volume_out (AC97LinkState *s)
+{
+ uint8_t lvol, rvol, plvol, prvol;
+ int mute, pmute;
+
+ get_volume (mixer_load (s, AC97_Master_Volume_Mute), 0x3f, 1,
+ &mute, &lvol, &rvol);
+ get_volume (mixer_load (s, AC97_PCM_Out_Volume_Mute), 0x1f, 1,
+ &pmute, &plvol, &prvol);
+
+ mute = mute | pmute;
+ lvol = (lvol * plvol) / 255;
+ rvol = (rvol * prvol) / 255;
+
+ AUD_set_volume_out (s->voice_po, mute, lvol, rvol);
+}
+
+static void update_volume_in (AC97LinkState *s)
+{
+ uint8_t lvol, rvol;
+ int mute;
+
+ get_volume (mixer_load (s, AC97_Record_Gain_Mute), 0x0f, 0,
+ &mute, &lvol, &rvol);
+
+ AUD_set_volume_in (s->voice_pi, mute, lvol, rvol);
+}
+
+static void set_volume (AC97LinkState *s, int index, uint32_t val)
+{
+ switch (index) {
+ case AC97_Master_Volume_Mute:
+ val &= 0xbf3f;
+ mixer_store (s, index, val);
+ update_combined_volume_out (s);
+ break;
+ case AC97_PCM_Out_Volume_Mute:
+ val &= 0x9f1f;
+ mixer_store (s, index, val);
+ update_combined_volume_out (s);
+ break;
+ case AC97_Record_Gain_Mute:
+ val &= 0x8f0f;
+ mixer_store (s, index, val);
+ update_volume_in (s);
+ break;
+ }
+}
+
+static void record_select (AC97LinkState *s, uint32_t val)
+{
+ uint8_t rs = val & REC_MASK;
+ uint8_t ls = (val >> 8) & REC_MASK;
+ mixer_store (s, AC97_Record_Select, rs | (ls << 8));
+}
+
+static void mixer_reset (AC97LinkState *s)
+{
+ uint8_t active[LAST_INDEX];
+
+ dolog ("mixer_reset\n");
+ memset (s->mixer_data, 0, sizeof (s->mixer_data));
+ memset (active, 0, sizeof (active));
+ mixer_store (s, AC97_Reset , 0x0000); /* 6940 */
+ mixer_store (s, AC97_Headphone_Volume_Mute , 0x0000);
+ mixer_store (s, AC97_Master_Volume_Mono_Mute , 0x0000);
+ mixer_store (s, AC97_Master_Tone_RL, 0x0000);
+ mixer_store (s, AC97_PC_BEEP_Volume_Mute , 0x0000);
+ mixer_store (s, AC97_Phone_Volume_Mute , 0x0000);
+ mixer_store (s, AC97_Mic_Volume_Mute , 0x0000);
+ mixer_store (s, AC97_Line_In_Volume_Mute , 0x0000);
+ mixer_store (s, AC97_CD_Volume_Mute , 0x0000);
+ mixer_store (s, AC97_Video_Volume_Mute , 0x0000);
+ mixer_store (s, AC97_Aux_Volume_Mute , 0x0000);
+ mixer_store (s, AC97_Record_Gain_Mic_Mute , 0x0000);
+ mixer_store (s, AC97_General_Purpose , 0x0000);
+ mixer_store (s, AC97_3D_Control , 0x0000);
+ mixer_store (s, AC97_Powerdown_Ctrl_Stat , 0x000f);
+
+ /*
+ * Sigmatel 9700 (STAC9700)
+ */
+ mixer_store (s, AC97_Vendor_ID1 , 0x8384);
+ mixer_store (s, AC97_Vendor_ID2 , 0x7600); /* 7608 */
+
+ mixer_store (s, AC97_Extended_Audio_ID , 0x0809);
+ mixer_store (s, AC97_Extended_Audio_Ctrl_Stat, 0x0009);
+ mixer_store (s, AC97_PCM_Front_DAC_Rate , 0xbb80);
+ mixer_store (s, AC97_PCM_Surround_DAC_Rate , 0xbb80);
+ mixer_store (s, AC97_PCM_LFE_DAC_Rate , 0xbb80);
+ mixer_store (s, AC97_PCM_LR_ADC_Rate , 0xbb80);
+ mixer_store (s, AC97_MIC_ADC_Rate , 0xbb80);
+
+ record_select (s, 0);
+ set_volume (s, AC97_Master_Volume_Mute, 0x8000);
+ set_volume (s, AC97_PCM_Out_Volume_Mute, 0x8808);
+ set_volume (s, AC97_Record_Gain_Mute, 0x8808);
+
+ reset_voices (s, active);
+}
+
+/**
+ * Native audio mixer
+ * I/O Reads
+ */
+static uint32_t nam_readb (void *opaque, uint32_t addr)
+{
+ AC97LinkState *s = opaque;
+ dolog ("U nam readb %#x\n", addr);
+ s->cas = 0;
+ return ~0U;
+}
+
+static uint32_t nam_readw (void *opaque, uint32_t addr)
+{
+ AC97LinkState *s = opaque;
+ uint32_t val = ~0U;
+ uint32_t index = addr;
+ s->cas = 0;
+ val = mixer_load (s, index);
+ return val;
+}
+
+static uint32_t nam_readl (void *opaque, uint32_t addr)
+{
+ AC97LinkState *s = opaque;
+ dolog ("U nam readl %#x\n", addr);
+ s->cas = 0;
+ return ~0U;
+}
+
+/**
+ * Native audio mixer
+ * I/O Writes
+ */
+static void nam_writeb (void *opaque, uint32_t addr, uint32_t val)
+{
+ AC97LinkState *s = opaque;
+ dolog ("U nam writeb %#x <- %#x\n", addr, val);
+ s->cas = 0;
+}
+
+static void nam_writew (void *opaque, uint32_t addr, uint32_t val)
+{
+ AC97LinkState *s = opaque;
+ uint32_t index = addr;
+ s->cas = 0;
+ switch (index) {
+ case AC97_Reset:
+ mixer_reset (s);
+ break;
+ case AC97_Powerdown_Ctrl_Stat:
+ val &= ~0x800f;
+ val |= mixer_load (s, index) & 0xf;
+ mixer_store (s, index, val);
+ break;
+ case AC97_PCM_Out_Volume_Mute:
+ case AC97_Master_Volume_Mute:
+ case AC97_Record_Gain_Mute:
+ set_volume (s, index, val);
+ break;
+ case AC97_Record_Select:
+ record_select (s, val);
+ break;
+ case AC97_Vendor_ID1:
+ case AC97_Vendor_ID2:
+ dolog ("Attempt to write vendor ID to %#x\n", val);
+ break;
+ case AC97_Extended_Audio_ID:
+ dolog ("Attempt to write extended audio ID to %#x\n", val);
+ break;
+ case AC97_Extended_Audio_Ctrl_Stat:
+ if (!(val & EACS_VRA)) {
+ mixer_store (s, AC97_PCM_Front_DAC_Rate, 0xbb80);
+ mixer_store (s, AC97_PCM_LR_ADC_Rate, 0xbb80);
+ open_voice (s, PI_INDEX, 48000);
+ open_voice (s, PO_INDEX, 48000);
+ }
+ if (!(val & EACS_VRM)) {
+ mixer_store (s, AC97_MIC_ADC_Rate, 0xbb80);
+ open_voice (s, MC_INDEX, 48000);
+ }
+ dolog ("Setting extended audio control to %#x\n", val);
+ mixer_store (s, AC97_Extended_Audio_Ctrl_Stat, val);
+ break;
+ case AC97_PCM_Front_DAC_Rate:
+ if (mixer_load (s, AC97_Extended_Audio_Ctrl_Stat) & EACS_VRA) {
+ mixer_store (s, index, val);
+ dolog ("Set front DAC rate to %d\n", val);
+ open_voice (s, PO_INDEX, val);
+ }
+ else {
+ dolog ("Attempt to set front DAC rate to %d, "
+ "but VRA is not set\n",
+ val);
+ }
+ break;
+ case AC97_MIC_ADC_Rate:
+ if (mixer_load (s, AC97_Extended_Audio_Ctrl_Stat) & EACS_VRM) {
+ mixer_store (s, index, val);
+ dolog ("Set MIC ADC rate to %d\n", val);
+ open_voice (s, MC_INDEX, val);
+ }
+ else {
+ dolog ("Attempt to set MIC ADC rate to %d, "
+ "but VRM is not set\n",
+ val);
+ }
+ break;
+ case AC97_PCM_LR_ADC_Rate:
+ if (mixer_load (s, AC97_Extended_Audio_Ctrl_Stat) & EACS_VRA) {
+ mixer_store (s, index, val);
+ dolog ("Set front LR ADC rate to %d\n", val);
+ open_voice (s, PI_INDEX, val);
+ }
+ else {
+ dolog ("Attempt to set LR ADC rate to %d, but VRA is not set\n",
+ val);
+ }
+ break;
+ case AC97_Headphone_Volume_Mute:
+ case AC97_Master_Volume_Mono_Mute:
+ case AC97_Master_Tone_RL:
+ case AC97_PC_BEEP_Volume_Mute:
+ case AC97_Phone_Volume_Mute:
+ case AC97_Mic_Volume_Mute:
+ case AC97_Line_In_Volume_Mute:
+ case AC97_CD_Volume_Mute:
+ case AC97_Video_Volume_Mute:
+ case AC97_Aux_Volume_Mute:
+ case AC97_Record_Gain_Mic_Mute:
+ case AC97_General_Purpose:
+ case AC97_3D_Control:
+ case AC97_Sigmatel_Analog:
+ case AC97_Sigmatel_Dac2Invert:
+ /* None of the features in these regs are emulated, so they are RO */
+ break;
+ default:
+ dolog ("U nam writew %#x <- %#x\n", addr, val);
+ mixer_store (s, index, val);
+ break;
+ }
+}
+
+static void nam_writel (void *opaque, uint32_t addr, uint32_t val)
+{
+ AC97LinkState *s = opaque;
+ dolog ("U nam writel %#x <- %#x\n", addr, val);
+ s->cas = 0;
+}
+
+/**
+ * Native audio bus master
+ * I/O Reads
+ */
+static uint32_t nabm_readb (void *opaque, uint32_t addr)
+{
+ AC97LinkState *s = opaque;
+ AC97BusMasterRegs *r = NULL;
+ uint32_t index = addr;
+ uint32_t val = ~0U;
+
+ switch (index) {
+ case CAS:
+ dolog ("CAS %d\n", s->cas);
+ val = s->cas;
+ s->cas = 1;
+ break;
+ case PI_CIV:
+ case PO_CIV:
+ case MC_CIV:
+ r = &s->bm_regs[GET_BM (index)];
+ val = r->civ;
+ dolog ("CIV[%d] -> %#x\n", GET_BM (index), val);
+ break;
+ case PI_LVI:
+ case PO_LVI:
+ case MC_LVI:
+ r = &s->bm_regs[GET_BM (index)];
+ val = r->lvi;
+ dolog ("LVI[%d] -> %#x\n", GET_BM (index), val);
+ break;
+ case PI_PIV:
+ case PO_PIV:
+ case MC_PIV:
+ r = &s->bm_regs[GET_BM (index)];
+ val = r->piv;
+ dolog ("PIV[%d] -> %#x\n", GET_BM (index), val);
+ break;
+ case PI_CR:
+ case PO_CR:
+ case MC_CR:
+ r = &s->bm_regs[GET_BM (index)];
+ val = r->cr;
+ dolog ("CR[%d] -> %#x\n", GET_BM (index), val);
+ break;
+ case PI_SR:
+ case PO_SR:
+ case MC_SR:
+ r = &s->bm_regs[GET_BM (index)];
+ val = r->sr & 0xff;
+ dolog ("SRb[%d] -> %#x\n", GET_BM (index), val);
+ break;
+ default:
+ dolog ("U nabm readb %#x -> %#x\n", addr, val);
+ break;
+ }
+ return val;
+}
+
+static uint32_t nabm_readw (void *opaque, uint32_t addr)
+{
+ AC97LinkState *s = opaque;
+ AC97BusMasterRegs *r = NULL;
+ uint32_t index = addr;
+ uint32_t val = ~0U;
+
+ switch (index) {
+ case PI_SR:
+ case PO_SR:
+ case MC_SR:
+ r = &s->bm_regs[GET_BM (index)];
+ val = r->sr;
+ dolog ("SR[%d] -> %#x\n", GET_BM (index), val);
+ break;
+ case PI_PICB:
+ case PO_PICB:
+ case MC_PICB:
+ r = &s->bm_regs[GET_BM (index)];
+ val = r->picb;
+ dolog ("PICB[%d] -> %#x\n", GET_BM (index), val);
+ break;
+ default:
+ dolog ("U nabm readw %#x -> %#x\n", addr, val);
+ break;
+ }
+ return val;
+}
+
+static uint32_t nabm_readl (void *opaque, uint32_t addr)
+{
+ AC97LinkState *s = opaque;
+ AC97BusMasterRegs *r = NULL;
+ uint32_t index = addr;
+ uint32_t val = ~0U;
+
+ switch (index) {
+ case PI_BDBAR:
+ case PO_BDBAR:
+ case MC_BDBAR:
+ r = &s->bm_regs[GET_BM (index)];
+ val = r->bdbar;
+ dolog ("BMADDR[%d] -> %#x\n", GET_BM (index), val);
+ break;
+ case PI_CIV:
+ case PO_CIV:
+ case MC_CIV:
+ r = &s->bm_regs[GET_BM (index)];
+ val = r->civ | (r->lvi << 8) | (r->sr << 16);
+ dolog ("CIV LVI SR[%d] -> %#x, %#x, %#x\n", GET_BM (index),
+ r->civ, r->lvi, r->sr);
+ break;
+ case PI_PICB:
+ case PO_PICB:
+ case MC_PICB:
+ r = &s->bm_regs[GET_BM (index)];
+ val = r->picb | (r->piv << 16) | (r->cr << 24);
+ dolog ("PICB PIV CR[%d] -> %#x %#x %#x %#x\n", GET_BM (index),
+ val, r->picb, r->piv, r->cr);
+ break;
+ case GLOB_CNT:
+ val = s->glob_cnt;
+ dolog ("glob_cnt -> %#x\n", val);
+ break;
+ case GLOB_STA:
+ val = s->glob_sta | GS_S0CR;
+ dolog ("glob_sta -> %#x\n", val);
+ break;
+ default:
+ dolog ("U nabm readl %#x -> %#x\n", addr, val);
+ break;
+ }
+ return val;
+}
+
+/**
+ * Native audio bus master
+ * I/O Writes
+ */
+static void nabm_writeb (void *opaque, uint32_t addr, uint32_t val)
+{
+ AC97LinkState *s = opaque;
+ AC97BusMasterRegs *r = NULL;
+ uint32_t index = addr;
+ switch (index) {
+ case PI_LVI:
+ case PO_LVI:
+ case MC_LVI:
+ r = &s->bm_regs[GET_BM (index)];
+ if ((r->cr & CR_RPBM) && (r->sr & SR_DCH)) {
+ r->sr &= ~(SR_DCH | SR_CELV);
+ r->civ = r->piv;
+ r->piv = (r->piv + 1) % 32;
+ fetch_bd (s, r);
+ }
+ r->lvi = val % 32;
+ dolog ("LVI[%d] <- %#x\n", GET_BM (index), val);
+ break;
+ case PI_CR:
+ case PO_CR:
+ case MC_CR:
+ r = &s->bm_regs[GET_BM (index)];
+ if (val & CR_RR) {
+ reset_bm_regs (s, r);
+ }
+ else {
+ r->cr = val & CR_VALID_MASK;
+ if (!(r->cr & CR_RPBM)) {
+ voice_set_active (s, r - s->bm_regs, 0);
+ r->sr |= SR_DCH;
+ }
+ else {
+ r->civ = r->piv;
+ r->piv = (r->piv + 1) % 32;
+ fetch_bd (s, r);
+ r->sr &= ~SR_DCH;
+ voice_set_active (s, r - s->bm_regs, 1);
+ }
+ }
+ dolog ("CR[%d] <- %#x (cr %#x)\n", GET_BM (index), val, r->cr);
+ break;
+ case PI_SR:
+ case PO_SR:
+ case MC_SR:
+ r = &s->bm_regs[GET_BM (index)];
+ r->sr |= val & ~(SR_RO_MASK | SR_WCLEAR_MASK);
+ update_sr (s, r, r->sr & ~(val & SR_WCLEAR_MASK));
+ dolog ("SR[%d] <- %#x (sr %#x)\n", GET_BM (index), val, r->sr);
+ break;
+ default:
+ dolog ("U nabm writeb %#x <- %#x\n", addr, val);
+ break;
+ }
+}
+
+static void nabm_writew (void *opaque, uint32_t addr, uint32_t val)
+{
+ AC97LinkState *s = opaque;
+ AC97BusMasterRegs *r = NULL;
+ uint32_t index = addr;
+ switch (index) {
+ case PI_SR:
+ case PO_SR:
+ case MC_SR:
+ r = &s->bm_regs[GET_BM (index)];
+ r->sr |= val & ~(SR_RO_MASK | SR_WCLEAR_MASK);
+ update_sr (s, r, r->sr & ~(val & SR_WCLEAR_MASK));
+ dolog ("SR[%d] <- %#x (sr %#x)\n", GET_BM (index), val, r->sr);
+ break;
+ default:
+ dolog ("U nabm writew %#x <- %#x\n", addr, val);
+ break;
+ }
+}
+
+static void nabm_writel (void *opaque, uint32_t addr, uint32_t val)
+{
+ AC97LinkState *s = opaque;
+ AC97BusMasterRegs *r = NULL;
+ uint32_t index = addr;
+ switch (index) {
+ case PI_BDBAR:
+ case PO_BDBAR:
+ case MC_BDBAR:
+ r = &s->bm_regs[GET_BM (index)];
+ r->bdbar = val & ~3;
+ dolog ("BDBAR[%d] <- %#x (bdbar %#x)\n",
+ GET_BM (index), val, r->bdbar);
+ break;
+ case GLOB_CNT:
+ if (val & GC_WR)
+ warm_reset (s);
+ if (val & GC_CR)
+ cold_reset (s);
+ if (!(val & (GC_WR | GC_CR)))
+ s->glob_cnt = val & GC_VALID_MASK;
+ dolog ("glob_cnt <- %#x (glob_cnt %#x)\n", val, s->glob_cnt);
+ break;
+ case GLOB_STA:
+ s->glob_sta &= ~(val & GS_WCLEAR_MASK);
+ s->glob_sta |= (val & ~(GS_WCLEAR_MASK | GS_RO_MASK)) & GS_VALID_MASK;
+ dolog ("glob_sta <- %#x (glob_sta %#x)\n", val, s->glob_sta);
+ break;
+ default:
+ dolog ("U nabm writel %#x <- %#x\n", addr, val);
+ break;
+ }
+}
+
+static int write_audio (AC97LinkState *s, AC97BusMasterRegs *r,
+ int max, int *stop)
+{
+ uint8_t tmpbuf[4096];
+ uint32_t addr = r->bd.addr;
+ uint32_t temp = r->picb << 1;
+ uint32_t written = 0;
+ int to_copy = 0;
+ temp = audio_MIN (temp, max);
+
+ if (!temp) {
+ *stop = 1;
+ return 0;
+ }
+
+ while (temp) {
+ int copied;
+ to_copy = audio_MIN (temp, sizeof (tmpbuf));
+ pci_dma_read (&s->dev, addr, tmpbuf, to_copy);
+ copied = AUD_write (s->voice_po, tmpbuf, to_copy);
+ dolog ("write_audio max=%x to_copy=%x copied=%x\n",
+ max, to_copy, copied);
+ if (!copied) {
+ *stop = 1;
+ break;
+ }
+ temp -= copied;
+ addr += copied;
+ written += copied;
+ }
+
+ if (!temp) {
+ if (to_copy < 4) {
+ dolog ("whoops\n");
+ s->last_samp = 0;
+ }
+ else {
+ s->last_samp = *(uint32_t *) &tmpbuf[to_copy - 4];
+ }
+ }
+
+ r->bd.addr = addr;
+ return written;
+}
+
+static void write_bup (AC97LinkState *s, int elapsed)
+{
+ dolog ("write_bup\n");
+ if (!(s->bup_flag & BUP_SET)) {
+ if (s->bup_flag & BUP_LAST) {
+ int i;
+ uint8_t *p = s->silence;
+ for (i = 0; i < sizeof (s->silence) / 4; i++, p += 4) {
+ *(uint32_t *) p = s->last_samp;
+ }
+ }
+ else {
+ memset (s->silence, 0, sizeof (s->silence));
+ }
+ s->bup_flag |= BUP_SET;
+ }
+
+ while (elapsed) {
+ int temp = audio_MIN (elapsed, sizeof (s->silence));
+ while (temp) {
+ int copied = AUD_write (s->voice_po, s->silence, temp);
+ if (!copied)
+ return;
+ temp -= copied;
+ elapsed -= copied;
+ }
+ }
+}
+
+static int read_audio (AC97LinkState *s, AC97BusMasterRegs *r,
+ int max, int *stop)
+{
+ uint8_t tmpbuf[4096];
+ uint32_t addr = r->bd.addr;
+ uint32_t temp = r->picb << 1;
+ uint32_t nread = 0;
+ int to_copy = 0;
+ SWVoiceIn *voice = (r - s->bm_regs) == MC_INDEX ? s->voice_mc : s->voice_pi;
+
+ temp = audio_MIN (temp, max);
+
+ if (!temp) {
+ *stop = 1;
+ return 0;
+ }
+
+ while (temp) {
+ int acquired;
+ to_copy = audio_MIN (temp, sizeof (tmpbuf));
+ acquired = AUD_read (voice, tmpbuf, to_copy);
+ if (!acquired) {
+ *stop = 1;
+ break;
+ }
+ pci_dma_write (&s->dev, addr, tmpbuf, acquired);
+ temp -= acquired;
+ addr += acquired;
+ nread += acquired;
+ }
+
+ r->bd.addr = addr;
+ return nread;
+}
+
+static void transfer_audio (AC97LinkState *s, int index, int elapsed)
+{
+ AC97BusMasterRegs *r = &s->bm_regs[index];
+ int stop = 0;
+
+ if (s->invalid_freq[index]) {
+ AUD_log ("ac97", "attempt to use voice %d with invalid frequency %d\n",
+ index, s->invalid_freq[index]);
+ return;
+ }
+
+ if (r->sr & SR_DCH) {
+ if (r->cr & CR_RPBM) {
+ switch (index) {
+ case PO_INDEX:
+ write_bup (s, elapsed);
+ break;
+ }
+ }
+ return;
+ }
+
+ while ((elapsed >> 1) && !stop) {
+ int temp;
+
+ if (!r->bd_valid) {
+ dolog ("invalid bd\n");
+ fetch_bd (s, r);
+ }
+
+ if (!r->picb) {
+ dolog ("fresh bd %d is empty %#x %#x\n",
+ r->civ, r->bd.addr, r->bd.ctl_len);
+ if (r->civ == r->lvi) {
+ r->sr |= SR_DCH; /* CELV? */
+ s->bup_flag = 0;
+ break;
+ }
+ r->sr &= ~SR_CELV;
+ r->civ = r->piv;
+ r->piv = (r->piv + 1) % 32;
+ fetch_bd (s, r);
+ return;
+ }
+
+ switch (index) {
+ case PO_INDEX:
+ temp = write_audio (s, r, elapsed, &stop);
+ elapsed -= temp;
+ r->picb -= (temp >> 1);
+ break;
+
+ case PI_INDEX:
+ case MC_INDEX:
+ temp = read_audio (s, r, elapsed, &stop);
+ elapsed -= temp;
+ r->picb -= (temp >> 1);
+ break;
+ }
+
+ if (!r->picb) {
+ uint32_t new_sr = r->sr & ~SR_CELV;
+
+ if (r->bd.ctl_len & BD_IOC) {
+ new_sr |= SR_BCIS;
+ }
+
+ if (r->civ == r->lvi) {
+ dolog ("Underrun civ (%d) == lvi (%d)\n", r->civ, r->lvi);
+
+ new_sr |= SR_LVBCI | SR_DCH | SR_CELV;
+ stop = 1;
+ s->bup_flag = (r->bd.ctl_len & BD_BUP) ? BUP_LAST : 0;
+ }
+ else {
+ r->civ = r->piv;
+ r->piv = (r->piv + 1) % 32;
+ fetch_bd (s, r);
+ }
+
+ update_sr (s, r, new_sr);
+ }
+ }
+}
+
+static void pi_callback (void *opaque, int avail)
+{
+ transfer_audio (opaque, PI_INDEX, avail);
+}
+
+static void mc_callback (void *opaque, int avail)
+{
+ transfer_audio (opaque, MC_INDEX, avail);
+}
+
+static void po_callback (void *opaque, int free)
+{
+ transfer_audio (opaque, PO_INDEX, free);
+}
+
+static const VMStateDescription vmstate_ac97_bm_regs = {
+ .name = "ac97_bm_regs",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .minimum_version_id_old = 1,
+ .fields = (VMStateField []) {
+ VMSTATE_UINT32 (bdbar, AC97BusMasterRegs),
+ VMSTATE_UINT8 (civ, AC97BusMasterRegs),
+ VMSTATE_UINT8 (lvi, AC97BusMasterRegs),
+ VMSTATE_UINT16 (sr, AC97BusMasterRegs),
+ VMSTATE_UINT16 (picb, AC97BusMasterRegs),
+ VMSTATE_UINT8 (piv, AC97BusMasterRegs),
+ VMSTATE_UINT8 (cr, AC97BusMasterRegs),
+ VMSTATE_UINT32 (bd_valid, AC97BusMasterRegs),
+ VMSTATE_UINT32 (bd.addr, AC97BusMasterRegs),
+ VMSTATE_UINT32 (bd.ctl_len, AC97BusMasterRegs),
+ VMSTATE_END_OF_LIST ()
+ }
+};
+
+static int ac97_post_load (void *opaque, int version_id)
+{
+ uint8_t active[LAST_INDEX];
+ AC97LinkState *s = opaque;
+
+ record_select (s, mixer_load (s, AC97_Record_Select));
+ set_volume (s, AC97_Master_Volume_Mute,
+ mixer_load (s, AC97_Master_Volume_Mute));
+ set_volume (s, AC97_PCM_Out_Volume_Mute,
+ mixer_load (s, AC97_PCM_Out_Volume_Mute));
+ set_volume (s, AC97_Record_Gain_Mute,
+ mixer_load (s, AC97_Record_Gain_Mute));
+
+ active[PI_INDEX] = !!(s->bm_regs[PI_INDEX].cr & CR_RPBM);
+ active[PO_INDEX] = !!(s->bm_regs[PO_INDEX].cr & CR_RPBM);
+ active[MC_INDEX] = !!(s->bm_regs[MC_INDEX].cr & CR_RPBM);
+ reset_voices (s, active);
+
+ s->bup_flag = 0;
+ s->last_samp = 0;
+ return 0;
+}
+
+static bool is_version_2 (void *opaque, int version_id)
+{
+ return version_id == 2;
+}
+
+static const VMStateDescription vmstate_ac97 = {
+ .name = "ac97",
+ .version_id = 3,
+ .minimum_version_id = 2,
+ .minimum_version_id_old = 2,
+ .post_load = ac97_post_load,
+ .fields = (VMStateField []) {
+ VMSTATE_PCI_DEVICE (dev, AC97LinkState),
+ VMSTATE_UINT32 (glob_cnt, AC97LinkState),
+ VMSTATE_UINT32 (glob_sta, AC97LinkState),
+ VMSTATE_UINT32 (cas, AC97LinkState),
+ VMSTATE_STRUCT_ARRAY (bm_regs, AC97LinkState, 3, 1,
+ vmstate_ac97_bm_regs, AC97BusMasterRegs),
+ VMSTATE_BUFFER (mixer_data, AC97LinkState),
+ VMSTATE_UNUSED_TEST (is_version_2, 3),
+ VMSTATE_END_OF_LIST ()
+ }
+};
+
+static uint64_t nam_read(void *opaque, hwaddr addr, unsigned size)
+{
+ if ((addr / size) > 256) {
+ return -1;
+ }
+
+ switch (size) {
+ case 1:
+ return nam_readb(opaque, addr);
+ case 2:
+ return nam_readw(opaque, addr);
+ case 4:
+ return nam_readl(opaque, addr);
+ default:
+ return -1;
+ }
+}
+
+static void nam_write(void *opaque, hwaddr addr, uint64_t val,
+ unsigned size)
+{
+ if ((addr / size) > 256) {
+ return;
+ }
+
+ switch (size) {
+ case 1:
+ nam_writeb(opaque, addr, val);
+ break;
+ case 2:
+ nam_writew(opaque, addr, val);
+ break;
+ case 4:
+ nam_writel(opaque, addr, val);
+ break;
+ }
+}
+
+static const MemoryRegionOps ac97_io_nam_ops = {
+ .read = nam_read,
+ .write = nam_write,
+ .impl = {
+ .min_access_size = 1,
+ .max_access_size = 4,
+ },
+ .endianness = DEVICE_LITTLE_ENDIAN,
+};
+
+static uint64_t nabm_read(void *opaque, hwaddr addr, unsigned size)
+{
+ if ((addr / size) > 64) {
+ return -1;
+ }
+
+ switch (size) {
+ case 1:
+ return nabm_readb(opaque, addr);
+ case 2:
+ return nabm_readw(opaque, addr);
+ case 4:
+ return nabm_readl(opaque, addr);
+ default:
+ return -1;
+ }
+}
+
+static void nabm_write(void *opaque, hwaddr addr, uint64_t val,
+ unsigned size)
+{
+ if ((addr / size) > 64) {
+ return;
+ }
+
+ switch (size) {
+ case 1:
+ nabm_writeb(opaque, addr, val);
+ break;
+ case 2:
+ nabm_writew(opaque, addr, val);
+ break;
+ case 4:
+ nabm_writel(opaque, addr, val);
+ break;
+ }
+}
+
+
+static const MemoryRegionOps ac97_io_nabm_ops = {
+ .read = nabm_read,
+ .write = nabm_write,
+ .impl = {
+ .min_access_size = 1,
+ .max_access_size = 4,
+ },
+ .endianness = DEVICE_LITTLE_ENDIAN,
+};
+
+static void ac97_on_reset (void *opaque)
+{
+ AC97LinkState *s = opaque;
+
+ reset_bm_regs (s, &s->bm_regs[0]);
+ reset_bm_regs (s, &s->bm_regs[1]);
+ reset_bm_regs (s, &s->bm_regs[2]);
+
+ /*
+ * Reset the mixer too. The Windows XP driver seems to rely on
+ * this. At least it wants to read the vendor id before it resets
+ * the codec manually.
+ */
+ mixer_reset (s);
+}
+
+static int ac97_initfn (PCIDevice *dev)
+{
+ AC97LinkState *s = DO_UPCAST (AC97LinkState, dev, dev);
+ uint8_t *c = s->dev.config;
+
+ /* TODO: no need to override */
+ c[PCI_COMMAND] = 0x00; /* pcicmd pci command rw, ro */
+ c[PCI_COMMAND + 1] = 0x00;
+
+ /* TODO: */
+ c[PCI_STATUS] = PCI_STATUS_FAST_BACK; /* pcists pci status rwc, ro */
+ c[PCI_STATUS + 1] = PCI_STATUS_DEVSEL_MEDIUM >> 8;
+
+ c[PCI_CLASS_PROG] = 0x00; /* pi programming interface ro */
+
+ /* TODO set when bar is registered. no need to override. */
+ /* nabmar native audio mixer base address rw */
+ c[PCI_BASE_ADDRESS_0] = PCI_BASE_ADDRESS_SPACE_IO;
+ c[PCI_BASE_ADDRESS_0 + 1] = 0x00;
+ c[PCI_BASE_ADDRESS_0 + 2] = 0x00;
+ c[PCI_BASE_ADDRESS_0 + 3] = 0x00;
+
+ /* TODO set when bar is registered. no need to override. */
+ /* nabmbar native audio bus mastering base address rw */
+ c[PCI_BASE_ADDRESS_0 + 4] = PCI_BASE_ADDRESS_SPACE_IO;
+ c[PCI_BASE_ADDRESS_0 + 5] = 0x00;
+ c[PCI_BASE_ADDRESS_0 + 6] = 0x00;
+ c[PCI_BASE_ADDRESS_0 + 7] = 0x00;
+
+ if (s->use_broken_id) {
+ c[PCI_SUBSYSTEM_VENDOR_ID] = 0x86;
+ c[PCI_SUBSYSTEM_VENDOR_ID + 1] = 0x80;
+ c[PCI_SUBSYSTEM_ID] = 0x00;
+ c[PCI_SUBSYSTEM_ID + 1] = 0x00;
+ }
+
+ c[PCI_INTERRUPT_LINE] = 0x00; /* intr_ln interrupt line rw */
+ c[PCI_INTERRUPT_PIN] = 0x01; /* intr_pn interrupt pin ro */
+
+ memory_region_init_io (&s->io_nam, &ac97_io_nam_ops, s, "ac97-nam", 1024);
+ memory_region_init_io (&s->io_nabm, &ac97_io_nabm_ops, s, "ac97-nabm", 256);
+ pci_register_bar (&s->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io_nam);
+ pci_register_bar (&s->dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &s->io_nabm);
+ qemu_register_reset (ac97_on_reset, s);
+ AUD_register_card ("ac97", &s->card);
+ ac97_on_reset (s);
+ return 0;
+}
+
+static void ac97_exitfn (PCIDevice *dev)
+{
+ AC97LinkState *s = DO_UPCAST (AC97LinkState, dev, dev);
+
+ memory_region_destroy (&s->io_nam);
+ memory_region_destroy (&s->io_nabm);
+}
+
+int ac97_init (PCIBus *bus)
+{
+ pci_create_simple (bus, -1, "AC97");
+ return 0;
+}
+
+static Property ac97_properties[] = {
+ DEFINE_PROP_UINT32 ("use_broken_id", AC97LinkState, use_broken_id, 0),
+ DEFINE_PROP_END_OF_LIST (),
+};
+
+static void ac97_class_init (ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS (klass);
+ PCIDeviceClass *k = PCI_DEVICE_CLASS (klass);
+
+ k->init = ac97_initfn;
+ k->exit = ac97_exitfn;
+ k->vendor_id = PCI_VENDOR_ID_INTEL;
+ k->device_id = PCI_DEVICE_ID_INTEL_82801AA_5;
+ k->revision = 0x01;
+ k->class_id = PCI_CLASS_MULTIMEDIA_AUDIO;
+ dc->desc = "Intel 82801AA AC97 Audio";
+ dc->vmsd = &vmstate_ac97;
+ dc->props = ac97_properties;
+}
+
+static const TypeInfo ac97_info = {
+ .name = "AC97",
+ .parent = TYPE_PCI_DEVICE,
+ .instance_size = sizeof (AC97LinkState),
+ .class_init = ac97_class_init,
+};
+
+static void ac97_register_types (void)
+{
+ type_register_static (&ac97_info);
+}
+
+type_init (ac97_register_types)
generated by cgit v1.1 at 2024-12-27 23:14:25 +0000