diff options
Diffstat (limited to 'hw/ac97.c')
| -rw-r--r-- | hw/ac97.c | 1438 |
1 files changed, 0 insertions, 1438 deletions
diff --git a/hw/ac97.c b/hw/ac97.c deleted file mode 100644 index c7d601f..0000000 --- a/hw/ac97.c +++ /dev/null @@ -1,1438 +0,0 @@ -/* - * 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/audiodev.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) |