| /* |
| * 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"); |
| pci_irq_assert(&s->dev); |
| } |
| else { |
| s->glob_sta &= ~masks[r - s->bm_regs]; |
| dolog ("set irq level=0\n"); |
| pci_irq_deassert(&s->dev); |
| } |
| } |
| |
| 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, |
| .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, |
| .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, OBJECT(s), &ac97_io_nam_ops, s, |
| "ac97-nam", 1024); |
| memory_region_init_io (&s->io_nabm, OBJECT(s), &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 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->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; |
| set_bit(DEVICE_CATEGORY_SOUND, dc->categories); |
| 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); |
| pci_register_soundhw("ac97", "Intel 82801AA AC97 Audio", ac97_init); |
| } |
| |
| type_init (ac97_register_types) |
