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AC97 codec overhaul, now with proper enabling through settings and proper codec features

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This commit is contained in:
RichardG867
2021-11-12 00:43:03 -03:00
parent d95f7cb8d2
commit 6527fe9993
8 changed files with 502 additions and 159 deletions
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91
src/include/86box/snd_ac97.h
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@@ -18,14 +18,97 @@
# define EMU_SND_AC97_H
#define AC97_VENDOR_ID(f, s, t, dev) ((((f) & 0xff) << 24) | (((s) & 0xff) << 16) | (((t) & 0xff) << 8) | ((dev) & 0xff))
/* Misc support bits (misc_flags). Most of these are not part of any
registers, but control enabling/disabling of registers and bits. */
#define AC97_MASTER_6B (1 << 0) /* register 02 bits [13,5] (ML5/MR5) */
#define AC97_AUXOUT (1 << 1) /* register 04 */
#define AC97_AUXOUT_6B (1 << 2) /* register 04 bits [13,5] (ML5/MR5) */
#define AC97_MONOOUT (1 << 3) /* register 06 */
#define AC97_MONOOUT_6B (1 << 4) /* register 06 bit 5 (MM5) */
#define AC97_PCBEEP (1 << 5) /* register 0A */
#define AC97_PCBEEP_GEN (1 << 6) /* register 0A bits [12:5] (F[7:0]) */
#define AC97_PHONE (1 << 9) /* register 0C */
#define AC97_VIDEO (1 << 10) /* register 14 */
#define AC97_AUXIN (1 << 11) /* register 16 */
#define AC97_POP (1 << 15) /* register 20 bit 15 (POP) - definition shared with General Purpose bits */
#define AC97_MS (1 << 8) /* register 20 bit 8 (MS) - definition shared with General Purpose bits */
#define AC97_LPBK (1 << 7) /* register 20 bit 7 (LPBK) - definition shared with General Purpose bits */
#define AC97_DSA (1 << 12) /* register 28 bits [5:4] (DSA[1:0]) */
#define AC97_LFE_6B (1 << 13) /* register 36 bit 13 (LFE5) */
#define AC97_CENTER_6B (1 << 14) /* register 36 bit 5 (CNT5) */
#define AC97_SURR_6B (1 << 16) /* register 38 bits [13,5] (LSR5/RSR5) */
/* Reset bits (reset_flags), register 00. */
#define AC97_MICPCM (1 << 0)
#define AC97_MODEMLINE (1 << 1)
#define AC97_TONECTL (1 << 2)
#define AC97_SIMSTEREO (1 << 3)
#define AC97_HPOUT (1 << 4)
#define AC97_LOUDNESS (1 << 5)
#define AC97_DAC_18B (1 << 6)
#define AC97_DAC_20B (1 << 7)
#define AC97_ADC_18B (1 << 8)
#define AC97_ADC_20B (1 << 9)
#define AC97_3D_SHIFT 10
/* Extended Audio ID bits (extid_flags), register 28. */
#define AC97_VRA (1 << 0)
#define AC97_DRA (1 << 1)
#define AC97_SPDIF (1 << 2)
#define AC97_VRM (1 << 3)
#define AC97_CDAC (1 << 6)
#define AC97_SDAC (1 << 7)
#define AC97_LDAC (1 << 8)
#define AC97_AMAP (1 << 9)
#define AC97_REV_2_1 (0 << 10)
#define AC97_REV_2_2 (1 << 10)
#define AC97_REV_2_3 (2 << 10)
#define AC97_REV_MASK (3 << 10)
/* Volume bits. */
#define AC97_MUTE (1 << 15)
#define AC97_MUTE_L (1 << 15)
#define AC97_MUTE_R (1 << 7)
/* General Purpose bits, register 20. */
/* POP already defined */
#define AC97_ST (1 << 14)
#define AC97_3D (1 << 13)
#define AC97_LD (1 << 12)
#define AC97_DRSS_MASK (3 << 10)
#define AC97_MIX (1 << 9)
/* MS already defined */
/* LPBK already defined */
/* Extended Audio Status/Control bits, register 2A. */
#define AC97_SPSA_SHIFT 4
#define AC97_SPSA_MASK 3
#define AC97_MADC (1 << 9)
#define AC97_SPCV (1 << 10)
#define AC97_PRI (1 << 11)
#define AC97_PRJ (1 << 12)
#define AC97_PRK (1 << 13)
#define AC97_PRL (1 << 14)
typedef struct {
uint32_t vendor_id;
uint8_t codec_id, regs[128];
const uint16_t index, value, write_mask;
} ac97_vendor_reg_t;
typedef struct {
uint32_t vendor_id, max_rate, misc_flags;
uint16_t reset_flags, extid_flags,
powerdown_mask, regs[64];
uint8_t codec_id, vendor_reg_page_max;
const ac97_vendor_reg_t *vendor_regs;
uint16_t *vendor_reg_pages;
} ac97_codec_t;
extern uint8_t ac97_codec_read(ac97_codec_t *dev, uint8_t reg);
extern void ac97_codec_write(ac97_codec_t *dev, uint8_t reg, uint8_t val);
extern uint16_t ac97_codec_readw(ac97_codec_t *dev, uint8_t reg);
extern void ac97_codec_writew(ac97_codec_t *dev, uint8_t reg, uint16_t val);
extern void ac97_codec_reset(void *priv);
extern void ac97_codec_getattn(void *priv, uint8_t reg, int *l, int *r);
extern uint32_t ac97_codec_getrate(void *priv, uint8_t reg);