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* Copyright (C) 2006 InnoTek Systemberatung GmbH
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* This file is part of VirtualBox Open Source Edition (OSE), as
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* available from http://www.virtualbox.org. This file is free software;
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* you can redistribute it and/or modify it under the terms of the GNU
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* General Public License as published by the Free Software Foundation,
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* in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
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* distribution. VirtualBox OSE is distributed in the hope that it will
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* be useful, but WITHOUT ANY WARRANTY of any kind.
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* If you received this file as part of a commercial VirtualBox
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* distribution, then only the terms of your commercial VirtualBox
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* license agreement apply instead of the previous paragraph.
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#include "audio/audio.h"
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AC97_Master_Volume_Mute = 0x02,
25
AC97_Headphone_Volume_Mute = 0x04,
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AC97_Master_Volume_Mono_Mute = 0x06,
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AC97_Master_Tone_RL = 0x08,
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AC97_PC_BEEP_Volume_Mute = 0x0A,
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AC97_Phone_Volume_Mute = 0x0C,
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AC97_Mic_Volume_Mute = 0x0E,
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AC97_Line_In_Volume_Mute = 0x10,
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AC97_CD_Volume_Mute = 0x12,
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AC97_Video_Volume_Mute = 0x14,
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AC97_Aux_Volume_Mute = 0x16,
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AC97_PCM_Out_Volume_Mute = 0x18,
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AC97_Record_Select = 0x1A,
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AC97_Record_Gain_Mute = 0x1C,
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AC97_Record_Gain_Mic_Mute = 0x1E,
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AC97_General_Purpose = 0x20,
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AC97_3D_Control = 0x22,
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AC97_AC_97_RESERVED = 0x24,
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AC97_Powerdown_Ctrl_Stat = 0x26,
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AC97_Extended_Audio_ID = 0x28,
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AC97_Extended_Audio_Ctrl_Stat = 0x2A,
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AC97_PCM_Front_DAC_Rate = 0x2C,
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AC97_PCM_Surround_DAC_Rate = 0x2E,
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AC97_PCM_LFE_DAC_Rate = 0x30,
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AC97_PCM_LR_ADC_Rate = 0x32,
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AC97_MIC_ADC_Rate = 0x34,
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AC97_6Ch_Vol_C_LFE_Mute = 0x36,
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AC97_6Ch_Vol_L_R_Surround_Mute = 0x38,
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AC97_Vendor_Reserved = 0x58,
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AC97_Vendor_ID1 = 0x7c,
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AC97_Vendor_ID2 = 0x7e
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#define SR_FIFOE 16 /* rwc */
59
#define SR_BCIS 8 /* rwc */
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#define SR_LVBCI 4 /* rwc */
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#define SR_CELV 2 /* ro */
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#define SR_DCH 1 /* ro */
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#define SR_VALID_MASK ((1 << 5) - 1)
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#define SR_WCLEAR_MASK (SR_FIFOE | SR_BCIS | SR_LVBCI)
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#define SR_RO_MASK (SR_DCH | SR_CELV)
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#define SR_INT_MASK (SR_FIFOE | SR_BCIS | SR_LVBCI)
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#define CR_IOCE 16 /* rw */
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#define CR_FEIE 8 /* rw */
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#define CR_LVBIE 4 /* rw */
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#define CR_RR 2 /* rw */
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#define CR_RPBM 1 /* rw */
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#define CR_VALID_MASK ((1 << 5) - 1)
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#define CR_DONT_CLEAR_MASK (CR_IOCE | CR_FEIE | CR_LVBIE)
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#define GC_WR 4 /* rw */
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#define GC_CR 2 /* rw */
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#define GC_VALID_MASK ((1 << 6) - 1)
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#define GS_MD3 (1<<17) /* rw */
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#define GS_AD3 (1<<16) /* rw */
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#define GS_RCS (1<<15) /* rwc */
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#define GS_B3S12 (1<<14) /* ro */
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#define GS_B2S12 (1<<13) /* ro */
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#define GS_B1S12 (1<<12) /* ro */
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#define GS_S1R1 (1<<11) /* rwc */
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#define GS_S0R1 (1<<10) /* rwc */
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#define GS_S1CR (1<<9) /* ro */
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#define GS_S0CR (1<<8) /* ro */
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#define GS_MINT (1<<7) /* ro */
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#define GS_POINT (1<<6) /* ro */
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#define GS_PIINT (1<<5) /* ro */
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#define GS_RSRVD ((1<<4)|(1<<3))
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#define GS_MOINT (1<<2) /* ro */
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#define GS_MIINT (1<<1) /* ro */
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#define GS_GSCI 1 /* rwc */
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#define GS_RO_MASK (GS_B3S12| \
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#define GS_VALID_MASK ((1 << 18) - 1)
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#define GS_WCLEAR_MASK (GS_RCS|GS_S1R1|GS_S0R1|GS_GSCI)
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#define BD_IOC (1<<31)
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#define BD_BUP (1<<30)
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#define VOL_MASK 0x1f
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#define MUTE_SHIFT 15
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typedef struct AC97BusMasterRegs {
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uint32_t bdbar; /* rw 0 */
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uint8_t civ; /* ro 0 */
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uint8_t lvi; /* rw 0 */
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uint16_t sr; /* rw 1 */
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uint16_t picb; /* ro 0 */
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uint8_t piv; /* ro 0 */
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uint8_t cr; /* rw 0 */
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unsigned int bd_valid;
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typedef struct AC97LinkState {
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AC97BusMasterRegs bm_regs[3];
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uint8_t mixer_data[256];
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SWVoiceOut *voice_po;
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uint8_t silence[128];
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#define dolog(...) AUD_log ("ac97", __VA_ARGS__)
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typedef struct PCIAC97LinkState {
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#define MKREGS(prefix, start) \
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prefix ## _BDBAR = start, \
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prefix ## _CIV = start + 4, \
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prefix ## _LVI = start + 5, \
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prefix ## _SR = start + 6, \
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prefix ## _PICB = start + 8, \
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prefix ## _PIV = start + 10, \
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prefix ## _CR = start + 11 \
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MKREGS (PI, PI_INDEX * 16);
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MKREGS (PO, PO_INDEX * 16);
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MKREGS (MC, MC_INDEX * 16);
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#define GET_BM(index) (((index) >> 4) & 3)
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static void po_callback (void *opaque, int free);
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static void pi_callback (void *opaque, int avail);
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static void mc_callback (void *opaque, int avail);
216
static void warm_reset (AC97LinkState *s)
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static void cold_reset (AC97LinkState * s)
226
static void fetch_bd (AC97LinkState *s, AC97BusMasterRegs *r)
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cpu_physical_memory_read (r->bdbar + r->civ * 8, b, 8);
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r->bd.addr = le32_to_cpu (*(uint32_t *) &b[0]) & ~3;
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r->bd.ctl_len = le32_to_cpu (*(uint32_t *) &b[4]);
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r->picb = r->bd.ctl_len & 0xffff;
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dolog ("bd %2d addr=%#x ctl=%#06x len=%#x(%d bytes)\n",
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r->civ, r->bd.addr, r->bd.ctl_len >> 16,
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r->bd.ctl_len & 0xffff,
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(r->bd.ctl_len & 0xffff) << 1);
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static void update_sr (AC97LinkState *s, AC97BusMasterRegs *r, uint32_t new_sr)
245
uint32_t new_mask = new_sr & SR_INT_MASK;
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uint32_t old_mask = r->sr & SR_INT_MASK;
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uint32_t masks[] = {GS_PIINT, GS_POINT, GS_MINT};
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if (new_mask ^ old_mask) {
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/** @todo is IRQ deasserted when only one of status bits is cleared? */
256
if ((new_mask & SR_LVBCI) && (r->cr & CR_LVBIE)) {
260
if ((new_mask & SR_BCIS) && (r->cr & CR_IOCE)) {
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dolog ("IOC%d LVB%d sr=%#x event=%d level=%d\n",
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r->sr & SR_BCIS, r->sr & SR_LVBCI,
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s->glob_sta |= masks[r - s->bm_regs];
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dolog ("set irq level=1\n");
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qemu_set_irq(s->pci_dev->irq[0], 1);
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s->glob_sta &= ~masks[r - s->bm_regs];
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dolog ("set irq level=0\n");
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qemu_set_irq(s->pci_dev->irq[0], 0);
289
static void voice_set_active (AC97LinkState *s, int bm_index, int on)
293
AUD_set_active_in (s->voice_pi, on);
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AUD_set_active_out (s->voice_po, on);
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AUD_set_active_in (s->voice_mc, on);
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AUD_log ("ac97", "invalid bm_index(%d) in voice_set_active", bm_index);
310
static void reset_bm_regs (AC97LinkState *s, AC97BusMasterRegs *r)
312
dolog ("reset_bm_regs\n");
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/** todo do we need to do that? */
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update_sr (s, r, SR_DCH);
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r->cr = r->cr & CR_DONT_CLEAR_MASK;
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voice_set_active (s, r - s->bm_regs, 0);
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memset (s->silence, 0, sizeof (s->silence));
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static void mixer_store (AC97LinkState *s, uint32_t i, uint16_t v)
329
if (i + 2 > sizeof (s->mixer_data)) {
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dolog ("mixer_store: index %d out of bounds %d\n",
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i, sizeof (s->mixer_data));
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s->mixer_data[i + 0] = v & 0xff;
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s->mixer_data[i + 1] = v >> 8;
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static uint16_t mixer_load (AC97LinkState *s, uint32_t i)
341
uint16_t val = 0xffff;
343
if (i + 2 > sizeof (s->mixer_data)) {
344
dolog ("mixer_store: index %d out of bounds %d\n",
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i, sizeof (s->mixer_data));
348
val = s->mixer_data[i + 0] | (s->mixer_data[i + 1] << 8);
354
static void open_voice (AC97LinkState *s, int index, int freq)
360
as.fmt = AUD_FMT_S16;
365
s->voice_pi = AUD_open_in (
376
s->voice_po = AUD_open_out (
387
s->voice_mc = AUD_open_in (
399
static void reset_voices (AC97LinkState *s, uint8_t active[LAST_INDEX])
403
freq = mixer_load (s, AC97_PCM_LR_ADC_Rate);
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open_voice (s, PI_INDEX, freq);
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AUD_set_active_in (s->voice_pi, active[PI_INDEX]);
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freq = mixer_load (s, AC97_PCM_Front_DAC_Rate);
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open_voice (s, PO_INDEX, freq);
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AUD_set_active_out (s->voice_po, active[PO_INDEX]);
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freq = mixer_load (s, AC97_MIC_ADC_Rate);
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open_voice (s, MC_INDEX, freq);
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AUD_set_active_in (s->voice_mc, active[MC_INDEX]);
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static void set_volume (AC97LinkState *s, int index,
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audmixerctl_t mt, uint32_t val)
420
int mute = (val >> MUTE_SHIFT) & 1;
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uint8_t rvol = VOL_MASK - (val & VOL_MASK);
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uint8_t lvol = VOL_MASK - ((val >> 8) & VOL_MASK);
423
rvol = 255 * rvol / VOL_MASK;
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lvol = 255 * lvol / VOL_MASK;
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if (index == AC97_Master_Volume_Mute) {
428
AUD_set_volume_out (s->voice_po, mute, lvol, rvol);
431
AUD_set_volume (mt, &mute, &lvol, &rvol);
434
AUD_set_volume (mt, &mute, &lvol, &rvol);
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rvol = VOL_MASK - ((VOL_MASK * rvol) / 255);
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lvol = VOL_MASK - ((VOL_MASK * lvol) / 255);
439
mixer_store (s, index, val);
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static audrecsource_t ac97_to_aud_record_source (uint8_t i)
452
return AUD_REC_VIDEO;
458
return AUD_REC_LINE_IN;
461
return AUD_REC_PHONE;
464
dolog ("Unknown record source %d, using MIC\n", i);
469
static uint8_t aud_to_ac97_record_source (audrecsource_t rs)
484
case AUD_REC_LINE_IN:
491
dolog ("Unknown audio recording source %d using MIC\n", rs);
496
static void record_select (AC97LinkState *s, uint32_t val)
498
uint8_t rs = val & REC_MASK;
499
uint8_t ls = (val >> 8) & REC_MASK;
500
audrecsource_t ars = ac97_to_aud_record_source (rs);
501
audrecsource_t als = ac97_to_aud_record_source (ls);
502
AUD_set_record_source (&als, &ars);
503
rs = aud_to_ac97_record_source (ars);
504
ls = aud_to_ac97_record_source (als);
505
mixer_store (s, AC97_Record_Select, rs | (ls << 8));
509
static void mixer_reset (AC97LinkState *s)
511
uint8_t active[LAST_INDEX];
513
dolog ("mixer_reset\n");
514
memset (s->mixer_data, 0, sizeof (s->mixer_data));
515
memset (active, 0, sizeof (active));
516
mixer_store (s, AC97_Reset , 0x0000); /* 6940 */
517
mixer_store (s, AC97_Master_Volume_Mono_Mute , 0x8000);
518
mixer_store (s, AC97_PC_BEEP_Volume_Mute , 0x0000);
520
mixer_store (s, AC97_Phone_Volume_Mute , 0x8008);
521
mixer_store (s, AC97_Mic_Volume_Mute , 0x8008);
522
mixer_store (s, AC97_CD_Volume_Mute , 0x8808);
523
mixer_store (s, AC97_Aux_Volume_Mute , 0x8808);
524
mixer_store (s, AC97_Record_Gain_Mic_Mute , 0x8000);
525
mixer_store (s, AC97_General_Purpose , 0x0000);
526
mixer_store (s, AC97_3D_Control , 0x0000);
527
mixer_store (s, AC97_Powerdown_Ctrl_Stat , 0x000f);
530
* Sigmatel 9700 (STAC9700)
532
mixer_store (s, AC97_Vendor_ID1 , 0x8384);
533
mixer_store (s, AC97_Vendor_ID2 , 0x7600); /* 7608 */
535
mixer_store (s, AC97_Extended_Audio_ID , 0x0809);
536
mixer_store (s, AC97_Extended_Audio_Ctrl_Stat, 0x0009);
537
mixer_store (s, AC97_PCM_Front_DAC_Rate , 0xbb80);
538
mixer_store (s, AC97_PCM_Surround_DAC_Rate , 0xbb80);
539
mixer_store (s, AC97_PCM_LFE_DAC_Rate , 0xbb80);
540
mixer_store (s, AC97_PCM_LR_ADC_Rate , 0xbb80);
541
mixer_store (s, AC97_MIC_ADC_Rate , 0xbb80);
544
record_select (s, 0);
545
set_volume (s, AC97_Master_Volume_Mute, AUD_MIXER_VOLUME , 0x8000);
546
set_volume (s, AC97_PCM_Out_Volume_Mute, AUD_MIXER_PCM , 0x8808);
547
set_volume (s, AC97_Line_In_Volume_Mute, AUD_MIXER_LINE_IN, 0x8808);
549
reset_voices (s, active);
556
static uint32_t nam_readb (void *opaque, uint32_t addr)
558
PCIAC97LinkState *d = opaque;
559
AC97LinkState *s = &d->ac97;
560
dolog ("U nam readb %#x\n", addr);
565
static uint32_t nam_readw (void *opaque, uint32_t addr)
567
PCIAC97LinkState *d = opaque;
568
AC97LinkState *s = &d->ac97;
570
uint32_t index = addr - s->base[0];
572
val = mixer_load (s, index);
576
static uint32_t nam_readl (void *opaque, uint32_t addr)
578
PCIAC97LinkState *d = opaque;
579
AC97LinkState *s = &d->ac97;
580
dolog ("U nam readl %#x\n", addr);
589
static void nam_writeb (void *opaque, uint32_t addr, uint32_t val)
591
PCIAC97LinkState *d = opaque;
592
AC97LinkState *s = &d->ac97;
593
dolog ("U nam writeb %#x <- %#x\n", addr, val);
597
static void nam_writew (void *opaque, uint32_t addr, uint32_t val)
599
PCIAC97LinkState *d = opaque;
600
AC97LinkState *s = &d->ac97;
601
uint32_t index = addr - s->base[0];
607
case AC97_Powerdown_Ctrl_Stat:
609
val |= mixer_load (s, index) & 0xf;
610
mixer_store (s, index, val);
613
case AC97_Master_Volume_Mute:
614
set_volume (s, index, AUD_MIXER_VOLUME, val);
616
case AC97_PCM_Out_Volume_Mute:
617
set_volume (s, index, AUD_MIXER_PCM, val);
619
case AC97_Line_In_Volume_Mute:
620
set_volume (s, index, AUD_MIXER_LINE_IN, val);
622
case AC97_Record_Select:
623
record_select (s, val);
626
case AC97_Vendor_ID1:
627
case AC97_Vendor_ID2:
628
dolog ("Attempt to write vendor ID to %#x\n", val);
630
case AC97_Extended_Audio_ID:
631
dolog ("Attempt to write extended audio ID to %#x\n", val);
633
case AC97_Extended_Audio_Ctrl_Stat:
634
if (!(val & EACS_VRA)) {
635
mixer_store (s, AC97_PCM_Front_DAC_Rate, 0xbb80);
636
mixer_store (s, AC97_PCM_LR_ADC_Rate, 0xbb80);
637
open_voice (s, PI_INDEX, 48000);
638
open_voice (s, PO_INDEX, 48000);
640
if (!(val & EACS_VRM)) {
641
mixer_store (s, AC97_MIC_ADC_Rate, 0xbb80);
642
open_voice (s, MC_INDEX, 48000);
644
dolog ("Setting extended audio control to %#x\n", val);
645
mixer_store (s, AC97_Extended_Audio_Ctrl_Stat, val);
647
case AC97_PCM_Front_DAC_Rate:
648
if (mixer_load (s, AC97_Extended_Audio_Ctrl_Stat) & EACS_VRA) {
649
mixer_store (s, index, val);
650
dolog ("Set front DAC rate to %d\n", val);
651
open_voice (s, PO_INDEX, val);
654
dolog ("Attempt to set front DAC rate to %d, "
655
"but VRA is not set\n",
659
case AC97_MIC_ADC_Rate:
660
if (mixer_load (s, AC97_Extended_Audio_Ctrl_Stat) & EACS_VRM) {
661
mixer_store (s, index, val);
662
dolog ("Set MIC ADC rate to %d\n", val);
663
open_voice (s, MC_INDEX, val);
666
dolog ("Attempt to set MIC ADC rate to %d, "
667
"but VRM is not set\n",
671
case AC97_PCM_LR_ADC_Rate:
672
if (mixer_load (s, AC97_Extended_Audio_Ctrl_Stat) & EACS_VRA) {
673
mixer_store (s, index, val);
674
dolog ("Set front LR ADC rate to %d\n", val);
675
open_voice (s, PI_INDEX, val);
678
dolog ("Attempt to set LR ADC rate to %d, but VRA is not set\n",
683
dolog ("U nam writew %#x <- %#x\n", addr, val);
684
mixer_store (s, index, val);
689
static void nam_writel (void *opaque, uint32_t addr, uint32_t val)
691
PCIAC97LinkState *d = opaque;
692
AC97LinkState *s = &d->ac97;
693
dolog ("U nam writel %#x <- %#x\n", addr, val);
698
* Native audio bus master
701
static uint32_t nabm_readb (void *opaque, uint32_t addr)
703
PCIAC97LinkState *d = opaque;
704
AC97LinkState *s = &d->ac97;
705
AC97BusMasterRegs *r = NULL;
706
uint32_t index = addr - s->base[1];
711
dolog ("CAS %d\n", s->cas);
718
r = &s->bm_regs[GET_BM (index)];
720
dolog ("CIV[%d] -> %#x\n", GET_BM (index), val);
725
r = &s->bm_regs[GET_BM (index)];
727
dolog ("LVI[%d] -> %#x\n", GET_BM (index), val);
732
r = &s->bm_regs[GET_BM (index)];
734
dolog ("PIV[%d] -> %#x\n", GET_BM (index), val);
739
r = &s->bm_regs[GET_BM (index)];
741
dolog ("CR[%d] -> %#x\n", GET_BM (index), val);
746
r = &s->bm_regs[GET_BM (index)];
748
dolog ("SRb[%d] -> %#x\n", GET_BM (index), val);
751
dolog ("U nabm readb %#x -> %#x\n", addr, val);
757
static uint32_t nabm_readw (void *opaque, uint32_t addr)
759
PCIAC97LinkState *d = opaque;
760
AC97LinkState *s = &d->ac97;
761
AC97BusMasterRegs *r = NULL;
762
uint32_t index = addr - s->base[1];
769
r = &s->bm_regs[GET_BM (index)];
771
dolog ("SR[%d] -> %#x\n", GET_BM (index), val);
776
r = &s->bm_regs[GET_BM (index)];
778
dolog ("PICB[%d] -> %#x\n", GET_BM (index), val);
781
dolog ("U nabm readw %#x -> %#x\n", addr, val);
787
static uint32_t nabm_readl (void *opaque, uint32_t addr)
789
PCIAC97LinkState *d = opaque;
790
AC97LinkState *s = &d->ac97;
791
AC97BusMasterRegs *r = NULL;
792
uint32_t index = addr - s->base[1];
799
r = &s->bm_regs[GET_BM (index)];
801
dolog ("BMADDR[%d] -> %#x\n", GET_BM (index), val);
806
r = &s->bm_regs[GET_BM (index)];
807
val = r->civ | (r->lvi << 8) | (r->sr << 16);
808
dolog ("CIV LVI SR[%d] -> %#x, %#x, %#x\n", GET_BM (index),
809
r->civ, r->lvi, r->sr);
814
r = &s->bm_regs[GET_BM (index)];
815
val = r->picb | (r->piv << 16) | (r->cr << 24);
816
dolog ("PICB PIV CR[%d] -> %#x %#x %#x %#x\n", GET_BM (index),
817
val, r->picb, r->piv, r->cr);
821
dolog ("glob_cnt -> %#x\n", val);
824
val = s->glob_sta | GS_S0CR;
825
dolog ("glob_sta -> %#x\n", val);
828
dolog ("U nabm readl %#x -> %#x\n", addr, val);
835
* Native audio bus master
838
static void nabm_writeb (void *opaque, uint32_t addr, uint32_t val)
840
PCIAC97LinkState *d = opaque;
841
AC97LinkState *s = &d->ac97;
842
AC97BusMasterRegs *r = NULL;
843
uint32_t index = addr - s->base[1];
848
r = &s->bm_regs[GET_BM (index)];
849
if ((r->cr & CR_RPBM) && (r->sr & SR_DCH)) {
850
r->sr &= ~(SR_DCH | SR_CELV);
852
r->piv = (r->piv + 1) % 32;
856
dolog ("LVI[%d] <- %#x\n", GET_BM (index), val);
861
r = &s->bm_regs[GET_BM (index)];
863
reset_bm_regs (s, r);
866
r->cr = val & CR_VALID_MASK;
867
if (!(r->cr & CR_RPBM)) {
868
voice_set_active (s, r - s->bm_regs, 0);
873
r->piv = (r->piv + 1) % 32;
876
voice_set_active (s, r - s->bm_regs, 1);
879
dolog ("CR[%d] <- %#x (cr %#x)\n", GET_BM (index), val, r->cr);
884
r = &s->bm_regs[GET_BM (index)];
885
r->sr |= val & ~(SR_RO_MASK | SR_WCLEAR_MASK);
886
update_sr (s, r, r->sr & ~(val & SR_WCLEAR_MASK));
887
dolog ("SR[%d] <- %#x (sr %#x)\n", GET_BM (index), val, r->sr);
890
dolog ("U nabm writeb %#x <- %#x\n", addr, val);
895
static void nabm_writew (void *opaque, uint32_t addr, uint32_t val)
897
PCIAC97LinkState *d = opaque;
898
AC97LinkState *s = &d->ac97;
899
AC97BusMasterRegs *r = NULL;
900
uint32_t index = addr - s->base[1];
905
r = &s->bm_regs[GET_BM (index)];
906
r->sr |= val & ~(SR_RO_MASK | SR_WCLEAR_MASK);
907
update_sr (s, r, r->sr & ~(val & SR_WCLEAR_MASK));
908
dolog ("SR[%d] <- %#x (sr %#x)\n", GET_BM (index), val, r->sr);
911
dolog ("U nabm writew %#x <- %#x\n", addr, val);
916
static void nabm_writel (void *opaque, uint32_t addr, uint32_t val)
918
PCIAC97LinkState *d = opaque;
919
AC97LinkState *s = &d->ac97;
920
AC97BusMasterRegs *r = NULL;
921
uint32_t index = addr - s->base[1];
926
r = &s->bm_regs[GET_BM (index)];
928
dolog ("BDBAR[%d] <- %#x (bdbar %#x)\n",
929
GET_BM (index), val, r->bdbar);
936
if (!(val & (GC_WR | GC_CR)))
937
s->glob_cnt = val & GC_VALID_MASK;
938
dolog ("glob_cnt <- %#x (glob_cnt %#x)\n", val, s->glob_cnt);
941
s->glob_sta &= ~(val & GS_WCLEAR_MASK);
942
s->glob_sta |= (val & ~(GS_WCLEAR_MASK | GS_RO_MASK)) & GS_VALID_MASK;
943
dolog ("glob_sta <- %#x (glob_sta %#x)\n", val, s->glob_sta);
946
dolog ("U nabm writel %#x <- %#x\n", addr, val);
951
static int write_audio (AC97LinkState *s, AC97BusMasterRegs *r,
954
uint8_t tmpbuf[4096];
955
uint32_t addr = r->bd.addr;
956
uint32_t temp = r->picb << 1;
957
uint32_t written = 0;
959
temp = audio_MIN (temp, max);
968
to_copy = audio_MIN (temp, sizeof (tmpbuf));
969
cpu_physical_memory_read (addr, tmpbuf, to_copy);
970
copied = AUD_write (s->voice_po, tmpbuf, to_copy);
971
dolog ("write_audio max=%x to_copy=%x copied=%x\n",
972
max, to_copy, copied);
988
s->last_samp = *(uint32_t *) &tmpbuf[to_copy - 4];
996
static void write_bup (AC97LinkState *s, int elapsed)
1000
dolog ("write_bup\n");
1001
if (!(s->bup_flag & BUP_SET)) {
1002
if (s->bup_flag & BUP_LAST) {
1004
uint8_t *p = s->silence;
1005
for (i = 0; i < sizeof (s->silence) / 4; i++, p += 4) {
1006
*(uint32_t *) p = s->last_samp;
1010
memset (s->silence, 0, sizeof (s->silence));
1012
s->bup_flag |= BUP_SET;
1016
int temp = audio_MIN (elapsed, sizeof (s->silence));
1018
int copied = AUD_write (s->voice_po, s->silence, temp);
1028
static int read_audio (AC97LinkState *s, AC97BusMasterRegs *r,
1031
uint8_t tmpbuf[4096];
1032
uint32_t addr = r->bd.addr;
1033
uint32_t temp = r->picb << 1;
1036
SWVoiceIn *voice = (r - s->bm_regs) == MC_INDEX ? s->voice_mc : s->voice_pi;
1038
temp = audio_MIN (temp, max);
1047
to_copy = audio_MIN (temp, sizeof (tmpbuf));
1048
acquired = AUD_read (voice, tmpbuf, to_copy);
1053
cpu_physical_memory_write (addr, tmpbuf, acquired);
1063
static void transfer_audio (AC97LinkState *s, int index, int elapsed)
1065
AC97BusMasterRegs *r = &s->bm_regs[index];
1066
int written = 0, stop = 0;
1068
if (r->sr & SR_DCH) {
1069
if (r->cr & CR_RPBM) {
1072
write_bup (s, elapsed);
1079
while ((elapsed >> 1) && !stop) {
1083
dolog ("invalid bd\n");
1088
dolog ("fresh bd %d is empty %#x %#x\n",
1089
r->civ, r->bd.addr, r->bd.ctl_len);
1090
if (r->civ == r->lvi) {
1091
r->sr |= SR_DCH; /* CELV? */
1097
r->piv = (r->piv + 1) % 32;
1104
temp = write_audio (s, r, elapsed, &stop);
1107
r->picb -= (temp >> 1);
1112
temp = read_audio (s, r, elapsed, &stop);
1114
r->picb -= (temp >> 1);
1119
uint32_t new_sr = r->sr & ~SR_CELV;
1121
if (r->bd.ctl_len & BD_IOC) {
1125
if (r->civ == r->lvi) {
1126
dolog ("Underrun civ (%d) == lvi (%d)\n", r->civ, r->lvi);
1128
new_sr |= SR_LVBCI | SR_DCH | SR_CELV;
1130
s->bup_flag = (r->bd.ctl_len & BD_BUP) ? BUP_LAST : 0;
1134
r->piv = (r->piv + 1) % 32;
1138
update_sr (s, r, new_sr);
1143
static void pi_callback (void *opaque, int avail)
1145
transfer_audio (opaque, PI_INDEX, avail);
1148
static void mc_callback (void *opaque, int avail)
1150
transfer_audio (opaque, MC_INDEX, avail);
1153
static void po_callback (void *opaque, int free)
1155
transfer_audio (opaque, PO_INDEX, free);
1158
static void ac97_save (QEMUFile *f, void *opaque)
1161
uint8_t active[LAST_INDEX];
1162
AC97LinkState *s = opaque;
1164
qemu_put_be32s (f, &s->glob_cnt);
1165
qemu_put_be32s (f, &s->glob_sta);
1166
qemu_put_be32s (f, &s->cas);
1168
for (i = 0; i < sizeof (s->bm_regs) / sizeof (s->bm_regs[0]); ++i) {
1169
AC97BusMasterRegs *r = &s->bm_regs[i];
1170
qemu_put_be32s (f, &r->bdbar);
1171
qemu_put_8s (f, &r->civ);
1172
qemu_put_8s (f, &r->lvi);
1173
qemu_put_be16s (f, &r->sr);
1174
qemu_put_be16s (f, &r->picb);
1175
qemu_put_8s (f, &r->piv);
1176
qemu_put_8s (f, &r->cr);
1177
qemu_put_be32s (f, &r->bd_valid);
1178
qemu_put_be32s (f, &r->bd.addr);
1179
qemu_put_be32s (f, &r->bd.ctl_len);
1181
qemu_put_buffer (f, s->mixer_data, sizeof (s->mixer_data));
1183
active[PI_INDEX] = AUD_is_active_in (s->voice_pi) ? 1 : 0;
1184
active[PO_INDEX] = AUD_is_active_out (s->voice_po) ? 1 : 0;
1185
active[MC_INDEX] = AUD_is_active_in (s->voice_mc) ? 1 : 0;
1186
qemu_put_buffer (f, active, sizeof (active));
1189
static int ac97_load (QEMUFile *f, void *opaque, int version_id)
1192
uint8_t active[LAST_INDEX];
1193
AC97LinkState *s = opaque;
1195
if (version_id != 1)
1198
qemu_get_be32s (f, &s->glob_cnt);
1199
qemu_get_be32s (f, &s->glob_sta);
1200
qemu_get_be32s (f, &s->cas);
1202
for (i = 0; i < sizeof (s->bm_regs) / sizeof (s->bm_regs[0]); ++i) {
1203
AC97BusMasterRegs *r = &s->bm_regs[i];
1204
qemu_get_be32s (f, &r->bdbar);
1205
qemu_get_8s (f, &r->civ);
1206
qemu_get_8s (f, &r->lvi);
1207
qemu_get_be16s (f, &r->sr);
1208
qemu_get_be16s (f, &r->picb);
1209
qemu_get_8s (f, &r->piv);
1210
qemu_get_8s (f, &r->cr);
1211
qemu_get_be32s (f, &r->bd_valid);
1212
qemu_get_be32s (f, &r->bd.addr);
1213
qemu_get_be32s (f, &r->bd.ctl_len);
1215
qemu_get_buffer (f, s->mixer_data, sizeof (s->mixer_data));
1216
qemu_get_buffer (f, active, sizeof (active));
1219
record_select (s, mixer_load (s, AC97_Record_Select));
1220
#define V_(a, b) set_volume (s, a, b, mixer_load (s, a))
1221
V_ (AC97_Master_Volume_Mute, AUD_MIXER_VOLUME);
1222
V_ (AC97_PCM_Out_Volume_Mute, AUD_MIXER_PCM);
1223
V_ (AC97_Line_In_Volume_Mute, AUD_MIXER_LINE_IN);
1226
reset_voices (s, active);
1233
static void ac97_map (PCIDevice *pci_dev, int region_num,
1234
uint32_t addr, uint32_t size, int type)
1236
PCIAC97LinkState *d = (PCIAC97LinkState *) pci_dev;
1237
AC97LinkState *s = &d->ac97;
1241
register_ioport_read (addr, 256 * 1, 1, nam_readb, d);
1242
register_ioport_read (addr, 256 * 2, 2, nam_readw, d);
1243
register_ioport_read (addr, 256 * 4, 4, nam_readl, d);
1244
register_ioport_write (addr, 256 * 1, 1, nam_writeb, d);
1245
register_ioport_write (addr, 256 * 2, 2, nam_writew, d);
1246
register_ioport_write (addr, 256 * 4, 4, nam_writel, d);
1250
register_ioport_read (addr, 64 * 1, 1, nabm_readb, d);
1251
register_ioport_read (addr, 64 * 2, 2, nabm_readw, d);
1252
register_ioport_read (addr, 64 * 4, 4, nabm_readl, d);
1253
register_ioport_write (addr, 64 * 1, 1, nabm_writeb, d);
1254
register_ioport_write (addr, 64 * 2, 2, nabm_writew, d);
1255
register_ioport_write (addr, 64 * 4, 4, nabm_writel, d);
1259
static void ac97_on_reset (void *opaque)
1261
AC97LinkState *s = opaque;
1263
reset_bm_regs (s, &s->bm_regs[0]);
1264
reset_bm_regs (s, &s->bm_regs[1]);
1265
reset_bm_regs (s, &s->bm_regs[2]);
1268
* Reset the mixer too. The Windows XP driver seems to rely on
1269
* this. At least it wants to read the vendor id before it resets
1270
* the codec manually.
1275
int ac97_init (PCIBus *bus, AudioState *audio)
1277
PCIAC97LinkState *d;
1282
AUD_log ("ac97", "No PCI bus\n");
1287
AUD_log ("ac97", "No audio state\n");
1291
d = (PCIAC97LinkState *) pci_register_device (bus, "AC97",
1292
sizeof (PCIAC97LinkState),
1296
AUD_log ("ac97", "Failed to register PCI device\n");
1301
s->pci_dev = &d->dev;
1303
c[0x00] = 0x86; /* vid vendor id intel ro */
1304
c[0x01] = 0x80; /* intel */
1306
c[0x02] = 0x15; /* did device id 82801 ro */
1307
c[0x03] = 0x24; /* 82801aa */
1309
c[0x04] = 0x00; /* pcicmd pci command rw, ro */
1312
c[0x06] = 0x80; /* pcists pci status rwc, ro */
1315
c[0x08] = 0x01; /* rid revision ro */
1316
c[0x09] = 0x00; /* pi programming interface ro */
1317
c[0x0a] = 0x01; /* scc sub class code ro */
1318
c[0x0b] = 0x04; /* bcc base class code ro */
1319
c[0x0e] = 0x00; /* headtyp header type ro */
1321
c[0x10] = 0x01; /* nabmar native audio mixer base
1327
c[0x14] = 0x01; /* nabmbar native audio bus mastering
1333
c[0x2c] = 0x86; /* svid subsystem vendor id rwo */
1336
c[0x2e] = 0x00; /* sid subsystem id rwo */
1339
c[0x3c] = 0x00; /* intr_ln interrupt line rw */
1340
c[0x3d] = 0x01; /* intr_pn interrupt pin ro */
1342
pci_register_io_region (&d->dev, 0, 256 * 4, PCI_ADDRESS_SPACE_IO, ac97_map);
1343
pci_register_io_region (&d->dev, 1, 64 * 4, PCI_ADDRESS_SPACE_IO, ac97_map);
1344
register_savevm ("ac97", 0, 1, ac97_save, ac97_load, s);
1345
qemu_register_reset (ac97_on_reset, s);
1346
AUD_register_card (audio, "ac97", &s->card);