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/*
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* Copyright (C) 2006 InnoTek Systemberatung GmbH
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*
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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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*
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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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*/
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#include "hw.h" |
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#include "audiodev.h" |
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#include "audio/audio.h" |
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#include "pci.h" |
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#include "dma.h" |
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enum {
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AC97_Reset = 0x00,
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AC97_Master_Volume_Mute = 0x02,
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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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}; |
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#define SOFT_VOLUME
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#define SR_FIFOE 16 /* rwc */ |
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#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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GS_B2S12| \ |
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GS_B1S12| \ |
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GS_S1CR| \ |
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GS_S0CR| \ |
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GS_MINT| \ |
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GS_POINT| \ |
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GS_PIINT| \ |
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GS_RSRVD| \ |
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GS_MOINT| \ |
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GS_MIINT) |
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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 EACS_VRA 1 |
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#define EACS_VRM 8 |
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#define VOL_MASK 0x1f |
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#define MUTE_SHIFT 15 |
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#define REC_MASK 7 |
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enum {
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REC_MIC = 0,
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REC_CD, |
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REC_VIDEO, |
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REC_AUX, |
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REC_LINE_IN, |
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REC_STEREO_MIX, |
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REC_MONO_MIX, |
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REC_PHONE |
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}; |
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typedef struct BD { |
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uint32_t addr; |
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uint32_t ctl_len; |
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} BD; |
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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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BD bd; |
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} AC97BusMasterRegs; |
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typedef struct AC97LinkState { |
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PCIDevice dev; |
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QEMUSoundCard card; |
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uint32_t use_broken_id; |
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uint32_t glob_cnt; |
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uint32_t glob_sta; |
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uint32_t cas; |
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uint32_t last_samp; |
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AC97BusMasterRegs bm_regs[3];
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uint8_t mixer_data[256];
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SWVoiceIn *voice_pi; |
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SWVoiceOut *voice_po; |
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SWVoiceIn *voice_mc; |
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int invalid_freq[3]; |
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uint8_t silence[128];
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int bup_flag;
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MemoryRegion io_nam; |
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MemoryRegion io_nabm; |
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} AC97LinkState; |
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enum {
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BUP_SET = 1,
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BUP_LAST = 2
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}; |
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#ifdef DEBUG_AC97
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#define dolog(...) AUD_log ("ac97", __VA_ARGS__) |
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#else
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#define dolog(...)
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#endif
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#define MKREGS(prefix, start) \
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enum { \
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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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} |
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enum {
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PI_INDEX = 0,
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PO_INDEX, |
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MC_INDEX, |
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LAST_INDEX |
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}; |
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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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enum {
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GLOB_CNT = 0x2c,
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GLOB_STA = 0x30,
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CAS = 0x34
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}; |
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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); |
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static void warm_reset (AC97LinkState *s) |
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{ |
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(void) s;
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} |
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static void cold_reset (AC97LinkState * s) |
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{ |
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(void) s;
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} |
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static void fetch_bd (AC97LinkState *s, AC97BusMasterRegs *r) |
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{ |
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uint8_t b[8];
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pci_dma_read (&s->dev, r->bdbar + r->civ * 8, b, 8); |
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r->bd_valid = 1;
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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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} |
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static void update_sr (AC97LinkState *s, AC97BusMasterRegs *r, uint32_t new_sr) |
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{ |
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int event = 0; |
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int level = 0; |
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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? */
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if (!new_mask) {
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event = 1;
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level = 0;
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} |
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else {
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if ((new_mask & SR_LVBCI) && (r->cr & CR_LVBIE)) {
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event = 1;
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level = 1;
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} |
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if ((new_mask & SR_BCIS) && (r->cr & CR_IOCE)) {
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event = 1;
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level = 1;
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} |
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} |
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} |
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r->sr = new_sr; |
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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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r->sr, |
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event, level); |
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if (!event)
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return;
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if (level) {
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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->dev.irq[0], 1); |
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} |
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else {
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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->dev.irq[0], 0); |
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} |
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} |
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static void voice_set_active (AC97LinkState *s, int bm_index, int on) |
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{ |
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switch (bm_index) {
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case PI_INDEX:
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AUD_set_active_in (s->voice_pi, on); |
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break;
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case PO_INDEX:
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AUD_set_active_out (s->voice_po, on); |
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break;
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case MC_INDEX:
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AUD_set_active_in (s->voice_mc, on); |
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break;
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default:
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AUD_log ("ac97", "invalid bm_index(%d) in voice_set_active", bm_index); |
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break;
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} |
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} |
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static void reset_bm_regs (AC97LinkState *s, AC97BusMasterRegs *r) |
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{ |
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dolog ("reset_bm_regs\n");
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r->bdbar = 0;
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r->civ = 0;
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r->lvi = 0;
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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->picb = 0;
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r->piv = 0;
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r->cr = r->cr & CR_DONT_CLEAR_MASK; |
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r->bd_valid = 0;
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voice_set_active (s, r - s->bm_regs, 0);
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memset (s->silence, 0, sizeof (s->silence)); |
324 |
} |
325 |
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static void mixer_store (AC97LinkState *s, uint32_t i, uint16_t v) |
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{ |
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if (i + 2 > sizeof (s->mixer_data)) { |
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dolog ("mixer_store: index %d out of bounds %zd\n",
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i, sizeof (s->mixer_data));
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return;
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} |
333 |
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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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} |
337 |
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static uint16_t mixer_load (AC97LinkState *s, uint32_t i)
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{ |
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uint16_t val = 0xffff;
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if (i + 2 > sizeof (s->mixer_data)) { |
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dolog ("mixer_store: index %d out of bounds %zd\n",
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i, sizeof (s->mixer_data));
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} |
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else {
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val = s->mixer_data[i + 0] | (s->mixer_data[i + 1] << 8); |
348 |
} |
349 |
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return val;
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} |
352 |
|
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static void open_voice (AC97LinkState *s, int index, int freq) |
354 |
{ |
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struct audsettings as;
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as.freq = freq; |
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as.nchannels = 2;
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as.fmt = AUD_FMT_S16; |
360 |
as.endianness = 0;
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|
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if (freq > 0) { |
363 |
s->invalid_freq[index] = 0;
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switch (index) {
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case PI_INDEX:
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s->voice_pi = AUD_open_in ( |
367 |
&s->card, |
368 |
s->voice_pi, |
369 |
"ac97.pi",
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s, |
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pi_callback, |
372 |
&as |
373 |
); |
374 |
break;
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375 |
|
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case PO_INDEX:
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s->voice_po = AUD_open_out ( |
378 |
&s->card, |
379 |
s->voice_po, |
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"ac97.po",
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s, |
382 |
po_callback, |
383 |
&as |
384 |
); |
385 |
break;
|
386 |
|
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case MC_INDEX:
|
388 |
s->voice_mc = AUD_open_in ( |
389 |
&s->card, |
390 |
s->voice_mc, |
391 |
"ac97.mc",
|
392 |
s, |
393 |
mc_callback, |
394 |
&as |
395 |
); |
396 |
break;
|
397 |
} |
398 |
} |
399 |
else {
|
400 |
s->invalid_freq[index] = freq; |
401 |
switch (index) {
|
402 |
case PI_INDEX:
|
403 |
AUD_close_in (&s->card, s->voice_pi); |
404 |
s->voice_pi = NULL;
|
405 |
break;
|
406 |
|
407 |
case PO_INDEX:
|
408 |
AUD_close_out (&s->card, s->voice_po); |
409 |
s->voice_po = NULL;
|
410 |
break;
|
411 |
|
412 |
case MC_INDEX:
|
413 |
AUD_close_in (&s->card, s->voice_mc); |
414 |
s->voice_mc = NULL;
|
415 |
break;
|
416 |
} |
417 |
} |
418 |
} |
419 |
|
420 |
static void reset_voices (AC97LinkState *s, uint8_t active[LAST_INDEX]) |
421 |
{ |
422 |
uint16_t freq; |
423 |
|
424 |
freq = mixer_load (s, AC97_PCM_LR_ADC_Rate); |
425 |
open_voice (s, PI_INDEX, freq); |
426 |
AUD_set_active_in (s->voice_pi, active[PI_INDEX]); |
427 |
|
428 |
freq = mixer_load (s, AC97_PCM_Front_DAC_Rate); |
429 |
open_voice (s, PO_INDEX, freq); |
430 |
AUD_set_active_out (s->voice_po, active[PO_INDEX]); |
431 |
|
432 |
freq = mixer_load (s, AC97_MIC_ADC_Rate); |
433 |
open_voice (s, MC_INDEX, freq); |
434 |
AUD_set_active_in (s->voice_mc, active[MC_INDEX]); |
435 |
} |
436 |
|
437 |
#ifdef USE_MIXER
|
438 |
static void set_volume (AC97LinkState *s, int index, |
439 |
audmixerctl_t mt, uint32_t val) |
440 |
{ |
441 |
int mute = (val >> MUTE_SHIFT) & 1; |
442 |
uint8_t rvol = VOL_MASK - (val & VOL_MASK); |
443 |
uint8_t lvol = VOL_MASK - ((val >> 8) & VOL_MASK);
|
444 |
rvol = 255 * rvol / VOL_MASK;
|
445 |
lvol = 255 * lvol / VOL_MASK;
|
446 |
|
447 |
#ifdef SOFT_VOLUME
|
448 |
if (index == AC97_Master_Volume_Mute) {
|
449 |
AUD_set_volume_out (s->voice_po, mute, lvol, rvol); |
450 |
} |
451 |
else {
|
452 |
AUD_set_volume (mt, &mute, &lvol, &rvol); |
453 |
} |
454 |
#else
|
455 |
AUD_set_volume (mt, &mute, &lvol, &rvol); |
456 |
#endif
|
457 |
|
458 |
rvol = VOL_MASK - ((VOL_MASK * rvol) / 255);
|
459 |
lvol = VOL_MASK - ((VOL_MASK * lvol) / 255);
|
460 |
mixer_store (s, index, val); |
461 |
} |
462 |
|
463 |
static audrecsource_t ac97_to_aud_record_source (uint8_t i)
|
464 |
{ |
465 |
switch (i) {
|
466 |
case REC_MIC:
|
467 |
return AUD_REC_MIC;
|
468 |
|
469 |
case REC_CD:
|
470 |
return AUD_REC_CD;
|
471 |
|
472 |
case REC_VIDEO:
|
473 |
return AUD_REC_VIDEO;
|
474 |
|
475 |
case REC_AUX:
|
476 |
return AUD_REC_AUX;
|
477 |
|
478 |
case REC_LINE_IN:
|
479 |
return AUD_REC_LINE_IN;
|
480 |
|
481 |
case REC_PHONE:
|
482 |
return AUD_REC_PHONE;
|
483 |
|
484 |
default:
|
485 |
dolog ("Unknown record source %d, using MIC\n", i);
|
486 |
return AUD_REC_MIC;
|
487 |
} |
488 |
} |
489 |
|
490 |
static uint8_t aud_to_ac97_record_source (audrecsource_t rs)
|
491 |
{ |
492 |
switch (rs) {
|
493 |
case AUD_REC_MIC:
|
494 |
return REC_MIC;
|
495 |
|
496 |
case AUD_REC_CD:
|
497 |
return REC_CD;
|
498 |
|
499 |
case AUD_REC_VIDEO:
|
500 |
return REC_VIDEO;
|
501 |
|
502 |
case AUD_REC_AUX:
|
503 |
return REC_AUX;
|
504 |
|
505 |
case AUD_REC_LINE_IN:
|
506 |
return REC_LINE_IN;
|
507 |
|
508 |
case AUD_REC_PHONE:
|
509 |
return REC_PHONE;
|
510 |
|
511 |
default:
|
512 |
dolog ("Unknown audio recording source %d using MIC\n", rs);
|
513 |
return REC_MIC;
|
514 |
} |
515 |
} |
516 |
|
517 |
static void record_select (AC97LinkState *s, uint32_t val) |
518 |
{ |
519 |
uint8_t rs = val & REC_MASK; |
520 |
uint8_t ls = (val >> 8) & REC_MASK;
|
521 |
audrecsource_t ars = ac97_to_aud_record_source (rs); |
522 |
audrecsource_t als = ac97_to_aud_record_source (ls); |
523 |
AUD_set_record_source (&als, &ars); |
524 |
rs = aud_to_ac97_record_source (ars); |
525 |
ls = aud_to_ac97_record_source (als); |
526 |
mixer_store (s, AC97_Record_Select, rs | (ls << 8));
|
527 |
} |
528 |
#endif
|
529 |
|
530 |
static void mixer_reset (AC97LinkState *s) |
531 |
{ |
532 |
uint8_t active[LAST_INDEX]; |
533 |
|
534 |
dolog ("mixer_reset\n");
|
535 |
memset (s->mixer_data, 0, sizeof (s->mixer_data)); |
536 |
memset (active, 0, sizeof (active)); |
537 |
mixer_store (s, AC97_Reset , 0x0000); /* 6940 */ |
538 |
mixer_store (s, AC97_Master_Volume_Mono_Mute , 0x8000);
|
539 |
mixer_store (s, AC97_PC_BEEP_Volume_Mute , 0x0000);
|
540 |
|
541 |
mixer_store (s, AC97_Phone_Volume_Mute , 0x8008);
|
542 |
mixer_store (s, AC97_Mic_Volume_Mute , 0x8008);
|
543 |
mixer_store (s, AC97_CD_Volume_Mute , 0x8808);
|
544 |
mixer_store (s, AC97_Aux_Volume_Mute , 0x8808);
|
545 |
mixer_store (s, AC97_Record_Gain_Mic_Mute , 0x8000);
|
546 |
mixer_store (s, AC97_General_Purpose , 0x0000);
|
547 |
mixer_store (s, AC97_3D_Control , 0x0000);
|
548 |
mixer_store (s, AC97_Powerdown_Ctrl_Stat , 0x000f);
|
549 |
|
550 |
/*
|
551 |
* Sigmatel 9700 (STAC9700)
|
552 |
*/
|
553 |
mixer_store (s, AC97_Vendor_ID1 , 0x8384);
|
554 |
mixer_store (s, AC97_Vendor_ID2 , 0x7600); /* 7608 */ |
555 |
|
556 |
mixer_store (s, AC97_Extended_Audio_ID , 0x0809);
|
557 |
mixer_store (s, AC97_Extended_Audio_Ctrl_Stat, 0x0009);
|
558 |
mixer_store (s, AC97_PCM_Front_DAC_Rate , 0xbb80);
|
559 |
mixer_store (s, AC97_PCM_Surround_DAC_Rate , 0xbb80);
|
560 |
mixer_store (s, AC97_PCM_LFE_DAC_Rate , 0xbb80);
|
561 |
mixer_store (s, AC97_PCM_LR_ADC_Rate , 0xbb80);
|
562 |
mixer_store (s, AC97_MIC_ADC_Rate , 0xbb80);
|
563 |
|
564 |
#ifdef USE_MIXER
|
565 |
record_select (s, 0);
|
566 |
set_volume (s, AC97_Master_Volume_Mute, AUD_MIXER_VOLUME , 0x8000);
|
567 |
set_volume (s, AC97_PCM_Out_Volume_Mute, AUD_MIXER_PCM , 0x8808);
|
568 |
set_volume (s, AC97_Line_In_Volume_Mute, AUD_MIXER_LINE_IN, 0x8808);
|
569 |
#endif
|
570 |
reset_voices (s, active); |
571 |
} |
572 |
|
573 |
/**
|
574 |
* Native audio mixer
|
575 |
* I/O Reads
|
576 |
*/
|
577 |
static uint32_t nam_readb (void *opaque, uint32_t addr) |
578 |
{ |
579 |
AC97LinkState *s = opaque; |
580 |
dolog ("U nam readb %#x\n", addr);
|
581 |
s->cas = 0;
|
582 |
return ~0U; |
583 |
} |
584 |
|
585 |
static uint32_t nam_readw (void *opaque, uint32_t addr) |
586 |
{ |
587 |
AC97LinkState *s = opaque; |
588 |
uint32_t val = ~0U;
|
589 |
uint32_t index = addr; |
590 |
s->cas = 0;
|
591 |
val = mixer_load (s, index); |
592 |
return val;
|
593 |
} |
594 |
|
595 |
static uint32_t nam_readl (void *opaque, uint32_t addr) |
596 |
{ |
597 |
AC97LinkState *s = opaque; |
598 |
dolog ("U nam readl %#x\n", addr);
|
599 |
s->cas = 0;
|
600 |
return ~0U; |
601 |
} |
602 |
|
603 |
/**
|
604 |
* Native audio mixer
|
605 |
* I/O Writes
|
606 |
*/
|
607 |
static void nam_writeb (void *opaque, uint32_t addr, uint32_t val) |
608 |
{ |
609 |
AC97LinkState *s = opaque; |
610 |
dolog ("U nam writeb %#x <- %#x\n", addr, val);
|
611 |
s->cas = 0;
|
612 |
} |
613 |
|
614 |
static void nam_writew (void *opaque, uint32_t addr, uint32_t val) |
615 |
{ |
616 |
AC97LinkState *s = opaque; |
617 |
uint32_t index = addr; |
618 |
s->cas = 0;
|
619 |
switch (index) {
|
620 |
case AC97_Reset:
|
621 |
mixer_reset (s); |
622 |
break;
|
623 |
case AC97_Powerdown_Ctrl_Stat:
|
624 |
val &= ~0xf;
|
625 |
val |= mixer_load (s, index) & 0xf;
|
626 |
mixer_store (s, index, val); |
627 |
break;
|
628 |
#ifdef USE_MIXER
|
629 |
case AC97_Master_Volume_Mute:
|
630 |
set_volume (s, index, AUD_MIXER_VOLUME, val); |
631 |
break;
|
632 |
case AC97_PCM_Out_Volume_Mute:
|
633 |
set_volume (s, index, AUD_MIXER_PCM, val); |
634 |
break;
|
635 |
case AC97_Line_In_Volume_Mute:
|
636 |
set_volume (s, index, AUD_MIXER_LINE_IN, val); |
637 |
break;
|
638 |
case AC97_Record_Select:
|
639 |
record_select (s, val); |
640 |
break;
|
641 |
#endif
|
642 |
case AC97_Vendor_ID1:
|
643 |
case AC97_Vendor_ID2:
|
644 |
dolog ("Attempt to write vendor ID to %#x\n", val);
|
645 |
break;
|
646 |
case AC97_Extended_Audio_ID:
|
647 |
dolog ("Attempt to write extended audio ID to %#x\n", val);
|
648 |
break;
|
649 |
case AC97_Extended_Audio_Ctrl_Stat:
|
650 |
if (!(val & EACS_VRA)) {
|
651 |
mixer_store (s, AC97_PCM_Front_DAC_Rate, 0xbb80);
|
652 |
mixer_store (s, AC97_PCM_LR_ADC_Rate, 0xbb80);
|
653 |
open_voice (s, PI_INDEX, 48000);
|
654 |
open_voice (s, PO_INDEX, 48000);
|
655 |
} |
656 |
if (!(val & EACS_VRM)) {
|
657 |
mixer_store (s, AC97_MIC_ADC_Rate, 0xbb80);
|
658 |
open_voice (s, MC_INDEX, 48000);
|
659 |
} |
660 |
dolog ("Setting extended audio control to %#x\n", val);
|
661 |
mixer_store (s, AC97_Extended_Audio_Ctrl_Stat, val); |
662 |
break;
|
663 |
case AC97_PCM_Front_DAC_Rate:
|
664 |
if (mixer_load (s, AC97_Extended_Audio_Ctrl_Stat) & EACS_VRA) {
|
665 |
mixer_store (s, index, val); |
666 |
dolog ("Set front DAC rate to %d\n", val);
|
667 |
open_voice (s, PO_INDEX, val); |
668 |
} |
669 |
else {
|
670 |
dolog ("Attempt to set front DAC rate to %d, "
|
671 |
"but VRA is not set\n",
|
672 |
val); |
673 |
} |
674 |
break;
|
675 |
case AC97_MIC_ADC_Rate:
|
676 |
if (mixer_load (s, AC97_Extended_Audio_Ctrl_Stat) & EACS_VRM) {
|
677 |
mixer_store (s, index, val); |
678 |
dolog ("Set MIC ADC rate to %d\n", val);
|
679 |
open_voice (s, MC_INDEX, val); |
680 |
} |
681 |
else {
|
682 |
dolog ("Attempt to set MIC ADC rate to %d, "
|
683 |
"but VRM is not set\n",
|
684 |
val); |
685 |
} |
686 |
break;
|
687 |
case AC97_PCM_LR_ADC_Rate:
|
688 |
if (mixer_load (s, AC97_Extended_Audio_Ctrl_Stat) & EACS_VRA) {
|
689 |
mixer_store (s, index, val); |
690 |
dolog ("Set front LR ADC rate to %d\n", val);
|
691 |
open_voice (s, PI_INDEX, val); |
692 |
} |
693 |
else {
|
694 |
dolog ("Attempt to set LR ADC rate to %d, but VRA is not set\n",
|
695 |
val); |
696 |
} |
697 |
break;
|
698 |
default:
|
699 |
dolog ("U nam writew %#x <- %#x\n", addr, val);
|
700 |
mixer_store (s, index, val); |
701 |
break;
|
702 |
} |
703 |
} |
704 |
|
705 |
static void nam_writel (void *opaque, uint32_t addr, uint32_t val) |
706 |
{ |
707 |
AC97LinkState *s = opaque; |
708 |
dolog ("U nam writel %#x <- %#x\n", addr, val);
|
709 |
s->cas = 0;
|
710 |
} |
711 |
|
712 |
/**
|
713 |
* Native audio bus master
|
714 |
* I/O Reads
|
715 |
*/
|
716 |
static uint32_t nabm_readb (void *opaque, uint32_t addr) |
717 |
{ |
718 |
AC97LinkState *s = opaque; |
719 |
AC97BusMasterRegs *r = NULL;
|
720 |
uint32_t index = addr; |
721 |
uint32_t val = ~0U;
|
722 |
|
723 |
switch (index) {
|
724 |
case CAS:
|
725 |
dolog ("CAS %d\n", s->cas);
|
726 |
val = s->cas; |
727 |
s->cas = 1;
|
728 |
break;
|
729 |
case PI_CIV:
|
730 |
case PO_CIV:
|
731 |
case MC_CIV:
|
732 |
r = &s->bm_regs[GET_BM (index)]; |
733 |
val = r->civ; |
734 |
dolog ("CIV[%d] -> %#x\n", GET_BM (index), val);
|
735 |
break;
|
736 |
case PI_LVI:
|
737 |
case PO_LVI:
|
738 |
case MC_LVI:
|
739 |
r = &s->bm_regs[GET_BM (index)]; |
740 |
val = r->lvi; |
741 |
dolog ("LVI[%d] -> %#x\n", GET_BM (index), val);
|
742 |
break;
|
743 |
case PI_PIV:
|
744 |
case PO_PIV:
|
745 |
case MC_PIV:
|
746 |
r = &s->bm_regs[GET_BM (index)]; |
747 |
val = r->piv; |
748 |
dolog ("PIV[%d] -> %#x\n", GET_BM (index), val);
|
749 |
break;
|
750 |
case PI_CR:
|
751 |
case PO_CR:
|
752 |
case MC_CR:
|
753 |
r = &s->bm_regs[GET_BM (index)]; |
754 |
val = r->cr; |
755 |
dolog ("CR[%d] -> %#x\n", GET_BM (index), val);
|
756 |
break;
|
757 |
case PI_SR:
|
758 |
case PO_SR:
|
759 |
case MC_SR:
|
760 |
r = &s->bm_regs[GET_BM (index)]; |
761 |
val = r->sr & 0xff;
|
762 |
dolog ("SRb[%d] -> %#x\n", GET_BM (index), val);
|
763 |
break;
|
764 |
default:
|
765 |
dolog ("U nabm readb %#x -> %#x\n", addr, val);
|
766 |
break;
|
767 |
} |
768 |
return val;
|
769 |
} |
770 |
|
771 |
static uint32_t nabm_readw (void *opaque, uint32_t addr) |
772 |
{ |
773 |
AC97LinkState *s = opaque; |
774 |
AC97BusMasterRegs *r = NULL;
|
775 |
uint32_t index = addr; |
776 |
uint32_t val = ~0U;
|
777 |
|
778 |
switch (index) {
|
779 |
case PI_SR:
|
780 |
case PO_SR:
|
781 |
case MC_SR:
|
782 |
r = &s->bm_regs[GET_BM (index)]; |
783 |
val = r->sr; |
784 |
dolog ("SR[%d] -> %#x\n", GET_BM (index), val);
|
785 |
break;
|
786 |
case PI_PICB:
|
787 |
case PO_PICB:
|
788 |
case MC_PICB:
|
789 |
r = &s->bm_regs[GET_BM (index)]; |
790 |
val = r->picb; |
791 |
dolog ("PICB[%d] -> %#x\n", GET_BM (index), val);
|
792 |
break;
|
793 |
default:
|
794 |
dolog ("U nabm readw %#x -> %#x\n", addr, val);
|
795 |
break;
|
796 |
} |
797 |
return val;
|
798 |
} |
799 |
|
800 |
static uint32_t nabm_readl (void *opaque, uint32_t addr) |
801 |
{ |
802 |
AC97LinkState *s = opaque; |
803 |
AC97BusMasterRegs *r = NULL;
|
804 |
uint32_t index = addr; |
805 |
uint32_t val = ~0U;
|
806 |
|
807 |
switch (index) {
|
808 |
case PI_BDBAR:
|
809 |
case PO_BDBAR:
|
810 |
case MC_BDBAR:
|
811 |
r = &s->bm_regs[GET_BM (index)]; |
812 |
val = r->bdbar; |
813 |
dolog ("BMADDR[%d] -> %#x\n", GET_BM (index), val);
|
814 |
break;
|
815 |
case PI_CIV:
|
816 |
case PO_CIV:
|
817 |
case MC_CIV:
|
818 |
r = &s->bm_regs[GET_BM (index)]; |
819 |
val = r->civ | (r->lvi << 8) | (r->sr << 16); |
820 |
dolog ("CIV LVI SR[%d] -> %#x, %#x, %#x\n", GET_BM (index),
|
821 |
r->civ, r->lvi, r->sr); |
822 |
break;
|
823 |
case PI_PICB:
|
824 |
case PO_PICB:
|
825 |
case MC_PICB:
|
826 |
r = &s->bm_regs[GET_BM (index)]; |
827 |
val = r->picb | (r->piv << 16) | (r->cr << 24); |
828 |
dolog ("PICB PIV CR[%d] -> %#x %#x %#x %#x\n", GET_BM (index),
|
829 |
val, r->picb, r->piv, r->cr); |
830 |
break;
|
831 |
case GLOB_CNT:
|
832 |
val = s->glob_cnt; |
833 |
dolog ("glob_cnt -> %#x\n", val);
|
834 |
break;
|
835 |
case GLOB_STA:
|
836 |
val = s->glob_sta | GS_S0CR; |
837 |
dolog ("glob_sta -> %#x\n", val);
|
838 |
break;
|
839 |
default:
|
840 |
dolog ("U nabm readl %#x -> %#x\n", addr, val);
|
841 |
break;
|
842 |
} |
843 |
return val;
|
844 |
} |
845 |
|
846 |
/**
|
847 |
* Native audio bus master
|
848 |
* I/O Writes
|
849 |
*/
|
850 |
static void nabm_writeb (void *opaque, uint32_t addr, uint32_t val) |
851 |
{ |
852 |
AC97LinkState *s = opaque; |
853 |
AC97BusMasterRegs *r = NULL;
|
854 |
uint32_t index = addr; |
855 |
switch (index) {
|
856 |
case PI_LVI:
|
857 |
case PO_LVI:
|
858 |
case MC_LVI:
|
859 |
r = &s->bm_regs[GET_BM (index)]; |
860 |
if ((r->cr & CR_RPBM) && (r->sr & SR_DCH)) {
|
861 |
r->sr &= ~(SR_DCH | SR_CELV); |
862 |
r->civ = r->piv; |
863 |
r->piv = (r->piv + 1) % 32; |
864 |
fetch_bd (s, r); |
865 |
} |
866 |
r->lvi = val % 32;
|
867 |
dolog ("LVI[%d] <- %#x\n", GET_BM (index), val);
|
868 |
break;
|
869 |
case PI_CR:
|
870 |
case PO_CR:
|
871 |
case MC_CR:
|
872 |
r = &s->bm_regs[GET_BM (index)]; |
873 |
if (val & CR_RR) {
|
874 |
reset_bm_regs (s, r); |
875 |
} |
876 |
else {
|
877 |
r->cr = val & CR_VALID_MASK; |
878 |
if (!(r->cr & CR_RPBM)) {
|
879 |
voice_set_active (s, r - s->bm_regs, 0);
|
880 |
r->sr |= SR_DCH; |
881 |
} |
882 |
else {
|
883 |
r->civ = r->piv; |
884 |
r->piv = (r->piv + 1) % 32; |
885 |
fetch_bd (s, r); |
886 |
r->sr &= ~SR_DCH; |
887 |
voice_set_active (s, r - s->bm_regs, 1);
|
888 |
} |
889 |
} |
890 |
dolog ("CR[%d] <- %#x (cr %#x)\n", GET_BM (index), val, r->cr);
|
891 |
break;
|
892 |
case PI_SR:
|
893 |
case PO_SR:
|
894 |
case MC_SR:
|
895 |
r = &s->bm_regs[GET_BM (index)]; |
896 |
r->sr |= val & ~(SR_RO_MASK | SR_WCLEAR_MASK); |
897 |
update_sr (s, r, r->sr & ~(val & SR_WCLEAR_MASK)); |
898 |
dolog ("SR[%d] <- %#x (sr %#x)\n", GET_BM (index), val, r->sr);
|
899 |
break;
|
900 |
default:
|
901 |
dolog ("U nabm writeb %#x <- %#x\n", addr, val);
|
902 |
break;
|
903 |
} |
904 |
} |
905 |
|
906 |
static void nabm_writew (void *opaque, uint32_t addr, uint32_t val) |
907 |
{ |
908 |
AC97LinkState *s = opaque; |
909 |
AC97BusMasterRegs *r = NULL;
|
910 |
uint32_t index = addr; |
911 |
switch (index) {
|
912 |
case PI_SR:
|
913 |
case PO_SR:
|
914 |
case MC_SR:
|
915 |
r = &s->bm_regs[GET_BM (index)]; |
916 |
r->sr |= val & ~(SR_RO_MASK | SR_WCLEAR_MASK); |
917 |
update_sr (s, r, r->sr & ~(val & SR_WCLEAR_MASK)); |
918 |
dolog ("SR[%d] <- %#x (sr %#x)\n", GET_BM (index), val, r->sr);
|
919 |
break;
|
920 |
default:
|
921 |
dolog ("U nabm writew %#x <- %#x\n", addr, val);
|
922 |
break;
|
923 |
} |
924 |
} |
925 |
|
926 |
static void nabm_writel (void *opaque, uint32_t addr, uint32_t val) |
927 |
{ |
928 |
AC97LinkState *s = opaque; |
929 |
AC97BusMasterRegs *r = NULL;
|
930 |
uint32_t index = addr; |
931 |
switch (index) {
|
932 |
case PI_BDBAR:
|
933 |
case PO_BDBAR:
|
934 |
case MC_BDBAR:
|
935 |
r = &s->bm_regs[GET_BM (index)]; |
936 |
r->bdbar = val & ~3;
|
937 |
dolog ("BDBAR[%d] <- %#x (bdbar %#x)\n",
|
938 |
GET_BM (index), val, r->bdbar); |
939 |
break;
|
940 |
case GLOB_CNT:
|
941 |
if (val & GC_WR)
|
942 |
warm_reset (s); |
943 |
if (val & GC_CR)
|
944 |
cold_reset (s); |
945 |
if (!(val & (GC_WR | GC_CR)))
|
946 |
s->glob_cnt = val & GC_VALID_MASK; |
947 |
dolog ("glob_cnt <- %#x (glob_cnt %#x)\n", val, s->glob_cnt);
|
948 |
break;
|
949 |
case GLOB_STA:
|
950 |
s->glob_sta &= ~(val & GS_WCLEAR_MASK); |
951 |
s->glob_sta |= (val & ~(GS_WCLEAR_MASK | GS_RO_MASK)) & GS_VALID_MASK; |
952 |
dolog ("glob_sta <- %#x (glob_sta %#x)\n", val, s->glob_sta);
|
953 |
break;
|
954 |
default:
|
955 |
dolog ("U nabm writel %#x <- %#x\n", addr, val);
|
956 |
break;
|
957 |
} |
958 |
} |
959 |
|
960 |
static int write_audio (AC97LinkState *s, AC97BusMasterRegs *r, |
961 |
int max, int *stop) |
962 |
{ |
963 |
uint8_t tmpbuf[4096];
|
964 |
uint32_t addr = r->bd.addr; |
965 |
uint32_t temp = r->picb << 1;
|
966 |
uint32_t written = 0;
|
967 |
int to_copy = 0; |
968 |
temp = audio_MIN (temp, max); |
969 |
|
970 |
if (!temp) {
|
971 |
*stop = 1;
|
972 |
return 0; |
973 |
} |
974 |
|
975 |
while (temp) {
|
976 |
int copied;
|
977 |
to_copy = audio_MIN (temp, sizeof (tmpbuf));
|
978 |
pci_dma_read (&s->dev, addr, tmpbuf, to_copy); |
979 |
copied = AUD_write (s->voice_po, tmpbuf, to_copy); |
980 |
dolog ("write_audio max=%x to_copy=%x copied=%x\n",
|
981 |
max, to_copy, copied); |
982 |
if (!copied) {
|
983 |
*stop = 1;
|
984 |
break;
|
985 |
} |
986 |
temp -= copied; |
987 |
addr += copied; |
988 |
written += copied; |
989 |
} |
990 |
|
991 |
if (!temp) {
|
992 |
if (to_copy < 4) { |
993 |
dolog ("whoops\n");
|
994 |
s->last_samp = 0;
|
995 |
} |
996 |
else {
|
997 |
s->last_samp = *(uint32_t *) &tmpbuf[to_copy - 4];
|
998 |
} |
999 |
} |
1000 |
|
1001 |
r->bd.addr = addr; |
1002 |
return written;
|
1003 |
} |
1004 |
|
1005 |
static void write_bup (AC97LinkState *s, int elapsed) |
1006 |
{ |
1007 |
dolog ("write_bup\n");
|
1008 |
if (!(s->bup_flag & BUP_SET)) {
|
1009 |
if (s->bup_flag & BUP_LAST) {
|
1010 |
int i;
|
1011 |
uint8_t *p = s->silence; |
1012 |
for (i = 0; i < sizeof (s->silence) / 4; i++, p += 4) { |
1013 |
*(uint32_t *) p = s->last_samp; |
1014 |
} |
1015 |
} |
1016 |
else {
|
1017 |
memset (s->silence, 0, sizeof (s->silence)); |
1018 |
} |
1019 |
s->bup_flag |= BUP_SET; |
1020 |
} |
1021 |
|
1022 |
while (elapsed) {
|
1023 |
int temp = audio_MIN (elapsed, sizeof (s->silence)); |
1024 |
while (temp) {
|
1025 |
int copied = AUD_write (s->voice_po, s->silence, temp);
|
1026 |
if (!copied)
|
1027 |
return;
|
1028 |
temp -= copied; |
1029 |
elapsed -= copied; |
1030 |
} |
1031 |
} |
1032 |
} |
1033 |
|
1034 |
static int read_audio (AC97LinkState *s, AC97BusMasterRegs *r, |
1035 |
int max, int *stop) |
1036 |
{ |
1037 |
uint8_t tmpbuf[4096];
|
1038 |
uint32_t addr = r->bd.addr; |
1039 |
uint32_t temp = r->picb << 1;
|
1040 |
uint32_t nread = 0;
|
1041 |
int to_copy = 0; |
1042 |
SWVoiceIn *voice = (r - s->bm_regs) == MC_INDEX ? s->voice_mc : s->voice_pi; |
1043 |
|
1044 |
temp = audio_MIN (temp, max); |
1045 |
|
1046 |
if (!temp) {
|
1047 |
*stop = 1;
|
1048 |
return 0; |
1049 |
} |
1050 |
|
1051 |
while (temp) {
|
1052 |
int acquired;
|
1053 |
to_copy = audio_MIN (temp, sizeof (tmpbuf));
|
1054 |
acquired = AUD_read (voice, tmpbuf, to_copy); |
1055 |
if (!acquired) {
|
1056 |
*stop = 1;
|
1057 |
break;
|
1058 |
} |
1059 |
pci_dma_write (&s->dev, addr, tmpbuf, acquired); |
1060 |
temp -= acquired; |
1061 |
addr += acquired; |
1062 |
nread += acquired; |
1063 |
} |
1064 |
|
1065 |
r->bd.addr = addr; |
1066 |
return nread;
|
1067 |
} |
1068 |
|
1069 |
static void transfer_audio (AC97LinkState *s, int index, int elapsed) |
1070 |
{ |
1071 |
AC97BusMasterRegs *r = &s->bm_regs[index]; |
1072 |
int stop = 0; |
1073 |
|
1074 |
if (s->invalid_freq[index]) {
|
1075 |
AUD_log ("ac97", "attempt to use voice %d with invalid frequency %d\n", |
1076 |
index, s->invalid_freq[index]); |
1077 |
return;
|
1078 |
} |
1079 |
|
1080 |
if (r->sr & SR_DCH) {
|
1081 |
if (r->cr & CR_RPBM) {
|
1082 |
switch (index) {
|
1083 |
case PO_INDEX:
|
1084 |
write_bup (s, elapsed); |
1085 |
break;
|
1086 |
} |
1087 |
} |
1088 |
return;
|
1089 |
} |
1090 |
|
1091 |
while ((elapsed >> 1) && !stop) { |
1092 |
int temp;
|
1093 |
|
1094 |
if (!r->bd_valid) {
|
1095 |
dolog ("invalid bd\n");
|
1096 |
fetch_bd (s, r); |
1097 |
} |
1098 |
|
1099 |
if (!r->picb) {
|
1100 |
dolog ("fresh bd %d is empty %#x %#x\n",
|
1101 |
r->civ, r->bd.addr, r->bd.ctl_len); |
1102 |
if (r->civ == r->lvi) {
|
1103 |
r->sr |= SR_DCH; /* CELV? */
|
1104 |
s->bup_flag = 0;
|
1105 |
break;
|
1106 |
} |
1107 |
r->sr &= ~SR_CELV; |
1108 |
r->civ = r->piv; |
1109 |
r->piv = (r->piv + 1) % 32; |
1110 |
fetch_bd (s, r); |
1111 |
return;
|
1112 |
} |
1113 |
|
1114 |
switch (index) {
|
1115 |
case PO_INDEX:
|
1116 |
temp = write_audio (s, r, elapsed, &stop); |
1117 |
elapsed -= temp; |
1118 |
r->picb -= (temp >> 1);
|
1119 |
break;
|
1120 |
|
1121 |
case PI_INDEX:
|
1122 |
case MC_INDEX:
|
1123 |
temp = read_audio (s, r, elapsed, &stop); |
1124 |
elapsed -= temp; |
1125 |
r->picb -= (temp >> 1);
|
1126 |
break;
|
1127 |
} |
1128 |
|
1129 |
if (!r->picb) {
|
1130 |
uint32_t new_sr = r->sr & ~SR_CELV; |
1131 |
|
1132 |
if (r->bd.ctl_len & BD_IOC) {
|
1133 |
new_sr |= SR_BCIS; |
1134 |
} |
1135 |
|
1136 |
if (r->civ == r->lvi) {
|
1137 |
dolog ("Underrun civ (%d) == lvi (%d)\n", r->civ, r->lvi);
|
1138 |
|
1139 |
new_sr |= SR_LVBCI | SR_DCH | SR_CELV; |
1140 |
stop = 1;
|
1141 |
s->bup_flag = (r->bd.ctl_len & BD_BUP) ? BUP_LAST : 0;
|
1142 |
} |
1143 |
else {
|
1144 |
r->civ = r->piv; |
1145 |
r->piv = (r->piv + 1) % 32; |
1146 |
fetch_bd (s, r); |
1147 |
} |
1148 |
|
1149 |
update_sr (s, r, new_sr); |
1150 |
} |
1151 |
} |
1152 |
} |
1153 |
|
1154 |
static void pi_callback (void *opaque, int avail) |
1155 |
{ |
1156 |
transfer_audio (opaque, PI_INDEX, avail); |
1157 |
} |
1158 |
|
1159 |
static void mc_callback (void *opaque, int avail) |
1160 |
{ |
1161 |
transfer_audio (opaque, MC_INDEX, avail); |
1162 |
} |
1163 |
|
1164 |
static void po_callback (void *opaque, int free) |
1165 |
{ |
1166 |
transfer_audio (opaque, PO_INDEX, free); |
1167 |
} |
1168 |
|
1169 |
static const VMStateDescription vmstate_ac97_bm_regs = { |
1170 |
.name = "ac97_bm_regs",
|
1171 |
.version_id = 1,
|
1172 |
.minimum_version_id = 1,
|
1173 |
.minimum_version_id_old = 1,
|
1174 |
.fields = (VMStateField []) { |
1175 |
VMSTATE_UINT32(bdbar, AC97BusMasterRegs), |
1176 |
VMSTATE_UINT8(civ, AC97BusMasterRegs), |
1177 |
VMSTATE_UINT8(lvi, AC97BusMasterRegs), |
1178 |
VMSTATE_UINT16(sr, AC97BusMasterRegs), |
1179 |
VMSTATE_UINT16(picb, AC97BusMasterRegs), |
1180 |
VMSTATE_UINT8(piv, AC97BusMasterRegs), |
1181 |
VMSTATE_UINT8(cr, AC97BusMasterRegs), |
1182 |
VMSTATE_UINT32(bd_valid, AC97BusMasterRegs), |
1183 |
VMSTATE_UINT32(bd.addr, AC97BusMasterRegs), |
1184 |
VMSTATE_UINT32(bd.ctl_len, AC97BusMasterRegs), |
1185 |
VMSTATE_END_OF_LIST() |
1186 |
} |
1187 |
}; |
1188 |
|
1189 |
static int ac97_post_load (void *opaque, int version_id) |
1190 |
{ |
1191 |
uint8_t active[LAST_INDEX]; |
1192 |
AC97LinkState *s = opaque; |
1193 |
|
1194 |
#ifdef USE_MIXER
|
1195 |
record_select (s, mixer_load (s, AC97_Record_Select)); |
1196 |
#define V_(a, b) set_volume (s, a, b, mixer_load (s, a))
|
1197 |
V_ (AC97_Master_Volume_Mute, AUD_MIXER_VOLUME); |
1198 |
V_ (AC97_PCM_Out_Volume_Mute, AUD_MIXER_PCM); |
1199 |
V_ (AC97_Line_In_Volume_Mute, AUD_MIXER_LINE_IN); |
1200 |
#undef V_
|
1201 |
#endif
|
1202 |
active[PI_INDEX] = !!(s->bm_regs[PI_INDEX].cr & CR_RPBM); |
1203 |
active[PO_INDEX] = !!(s->bm_regs[PO_INDEX].cr & CR_RPBM); |
1204 |
active[MC_INDEX] = !!(s->bm_regs[MC_INDEX].cr & CR_RPBM); |
1205 |
reset_voices (s, active); |
1206 |
|
1207 |
s->bup_flag = 0;
|
1208 |
s->last_samp = 0;
|
1209 |
return 0; |
1210 |
} |
1211 |
|
1212 |
static bool is_version_2 (void *opaque, int version_id) |
1213 |
{ |
1214 |
return version_id == 2; |
1215 |
} |
1216 |
|
1217 |
static const VMStateDescription vmstate_ac97 = { |
1218 |
.name = "ac97",
|
1219 |
.version_id = 3,
|
1220 |
.minimum_version_id = 2,
|
1221 |
.minimum_version_id_old = 2,
|
1222 |
.post_load = ac97_post_load, |
1223 |
.fields = (VMStateField []) { |
1224 |
VMSTATE_PCI_DEVICE(dev, AC97LinkState), |
1225 |
VMSTATE_UINT32(glob_cnt, AC97LinkState), |
1226 |
VMSTATE_UINT32(glob_sta, AC97LinkState), |
1227 |
VMSTATE_UINT32(cas, AC97LinkState), |
1228 |
VMSTATE_STRUCT_ARRAY(bm_regs, AC97LinkState, 3, 1, |
1229 |
vmstate_ac97_bm_regs, AC97BusMasterRegs), |
1230 |
VMSTATE_BUFFER(mixer_data, AC97LinkState), |
1231 |
VMSTATE_UNUSED_TEST(is_version_2, 3),
|
1232 |
VMSTATE_END_OF_LIST() |
1233 |
} |
1234 |
}; |
1235 |
|
1236 |
static const MemoryRegionPortio nam_portio[] = { |
1237 |
{ 0, 256 * 1, 1, .read = nam_readb, }, |
1238 |
{ 0, 256 * 2, 2, .read = nam_readw, }, |
1239 |
{ 0, 256 * 4, 4, .read = nam_readl, }, |
1240 |
{ 0, 256 * 1, 1, .write = nam_writeb, }, |
1241 |
{ 0, 256 * 2, 2, .write = nam_writew, }, |
1242 |
{ 0, 256 * 4, 4, .write = nam_writel, }, |
1243 |
PORTIO_END_OF_LIST(), |
1244 |
}; |
1245 |
|
1246 |
static const MemoryRegionOps ac97_io_nam_ops = { |
1247 |
.old_portio = nam_portio, |
1248 |
}; |
1249 |
|
1250 |
static const MemoryRegionPortio nabm_portio[] = { |
1251 |
{ 0, 64 * 1, 1, .read = nabm_readb, }, |
1252 |
{ 0, 64 * 2, 2, .read = nabm_readw, }, |
1253 |
{ 0, 64 * 4, 4, .read = nabm_readl, }, |
1254 |
{ 0, 64 * 1, 1, .write = nabm_writeb, }, |
1255 |
{ 0, 64 * 2, 2, .write = nabm_writew, }, |
1256 |
{ 0, 64 * 4, 4, .write = nabm_writel, }, |
1257 |
PORTIO_END_OF_LIST() |
1258 |
}; |
1259 |
|
1260 |
static const MemoryRegionOps ac97_io_nabm_ops = { |
1261 |
.old_portio = nabm_portio, |
1262 |
}; |
1263 |
|
1264 |
static void ac97_on_reset (void *opaque) |
1265 |
{ |
1266 |
AC97LinkState *s = opaque; |
1267 |
|
1268 |
reset_bm_regs (s, &s->bm_regs[0]);
|
1269 |
reset_bm_regs (s, &s->bm_regs[1]);
|
1270 |
reset_bm_regs (s, &s->bm_regs[2]);
|
1271 |
|
1272 |
/*
|
1273 |
* Reset the mixer too. The Windows XP driver seems to rely on
|
1274 |
* this. At least it wants to read the vendor id before it resets
|
1275 |
* the codec manually.
|
1276 |
*/
|
1277 |
mixer_reset (s); |
1278 |
} |
1279 |
|
1280 |
static int ac97_initfn (PCIDevice *dev) |
1281 |
{ |
1282 |
AC97LinkState *s = DO_UPCAST (AC97LinkState, dev, dev); |
1283 |
uint8_t *c = s->dev.config; |
1284 |
|
1285 |
/* TODO: no need to override */
|
1286 |
c[PCI_COMMAND] = 0x00; /* pcicmd pci command rw, ro */ |
1287 |
c[PCI_COMMAND + 1] = 0x00; |
1288 |
|
1289 |
/* TODO: */
|
1290 |
c[PCI_STATUS] = PCI_STATUS_FAST_BACK; /* pcists pci status rwc, ro */
|
1291 |
c[PCI_STATUS + 1] = PCI_STATUS_DEVSEL_MEDIUM >> 8; |
1292 |
|
1293 |
c[PCI_CLASS_PROG] = 0x00; /* pi programming interface ro */ |
1294 |
|
1295 |
/* TODO set when bar is registered. no need to override. */
|
1296 |
/* nabmar native audio mixer base address rw */
|
1297 |
c[PCI_BASE_ADDRESS_0] = PCI_BASE_ADDRESS_SPACE_IO; |
1298 |
c[PCI_BASE_ADDRESS_0 + 1] = 0x00; |
1299 |
c[PCI_BASE_ADDRESS_0 + 2] = 0x00; |
1300 |
c[PCI_BASE_ADDRESS_0 + 3] = 0x00; |
1301 |
|
1302 |
/* TODO set when bar is registered. no need to override. */
|
1303 |
/* nabmbar native audio bus mastering base address rw */
|
1304 |
c[PCI_BASE_ADDRESS_0 + 4] = PCI_BASE_ADDRESS_SPACE_IO;
|
1305 |
c[PCI_BASE_ADDRESS_0 + 5] = 0x00; |
1306 |
c[PCI_BASE_ADDRESS_0 + 6] = 0x00; |
1307 |
c[PCI_BASE_ADDRESS_0 + 7] = 0x00; |
1308 |
|
1309 |
if (s->use_broken_id) {
|
1310 |
c[PCI_SUBSYSTEM_VENDOR_ID] = 0x86;
|
1311 |
c[PCI_SUBSYSTEM_VENDOR_ID + 1] = 0x80; |
1312 |
c[PCI_SUBSYSTEM_ID] = 0x00;
|
1313 |
c[PCI_SUBSYSTEM_ID + 1] = 0x00; |
1314 |
} |
1315 |
|
1316 |
c[PCI_INTERRUPT_LINE] = 0x00; /* intr_ln interrupt line rw */ |
1317 |
c[PCI_INTERRUPT_PIN] = 0x01; /* intr_pn interrupt pin ro */ |
1318 |
|
1319 |
memory_region_init_io (&s->io_nam, &ac97_io_nam_ops, s, "ac97-nam", 1024); |
1320 |
memory_region_init_io (&s->io_nabm, &ac97_io_nabm_ops, s, "ac97-nabm", 256); |
1321 |
pci_register_bar (&s->dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io_nam);
|
1322 |
pci_register_bar (&s->dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &s->io_nabm);
|
1323 |
qemu_register_reset (ac97_on_reset, s); |
1324 |
AUD_register_card ("ac97", &s->card);
|
1325 |
ac97_on_reset (s); |
1326 |
return 0; |
1327 |
} |
1328 |
|
1329 |
static int ac97_exitfn (PCIDevice *dev) |
1330 |
{ |
1331 |
AC97LinkState *s = DO_UPCAST (AC97LinkState, dev, dev); |
1332 |
|
1333 |
memory_region_destroy (&s->io_nam); |
1334 |
memory_region_destroy (&s->io_nabm); |
1335 |
return 0; |
1336 |
} |
1337 |
|
1338 |
int ac97_init (PCIBus *bus)
|
1339 |
{ |
1340 |
pci_create_simple (bus, -1, "AC97"); |
1341 |
return 0; |
1342 |
} |
1343 |
|
1344 |
static PCIDeviceInfo ac97_info = {
|
1345 |
.qdev.name = "AC97",
|
1346 |
.qdev.desc = "Intel 82801AA AC97 Audio",
|
1347 |
.qdev.size = sizeof (AC97LinkState),
|
1348 |
.qdev.vmsd = &vmstate_ac97, |
1349 |
.init = ac97_initfn, |
1350 |
.exit = ac97_exitfn, |
1351 |
.vendor_id = PCI_VENDOR_ID_INTEL, |
1352 |
.device_id = PCI_DEVICE_ID_INTEL_82801AA_5, |
1353 |
.revision = 0x01,
|
1354 |
.class_id = PCI_CLASS_MULTIMEDIA_AUDIO, |
1355 |
.qdev.props = (Property[]) { |
1356 |
DEFINE_PROP_UINT32("use_broken_id", AC97LinkState, use_broken_id, 0), |
1357 |
DEFINE_PROP_END_OF_LIST(), |
1358 |
} |
1359 |
}; |
1360 |
|
1361 |
static void ac97_register (void) |
1362 |
{ |
1363 |
pci_qdev_register (&ac97_info); |
1364 |
} |
1365 |
device_init (ac97_register); |
1366 |
|