From: astra <[email protected]>
---
libsound/audio.c | 64 ++++++++++++++++++++++++++
libsound/audio.h | 111 ++++++++++++++++++++++++++++++++++++++++++++++
libsound/makefile | 7 +++
3 files changed, 182 insertions(+)
create mode 100644 libsound/audio.c
create mode 100644 libsound/audio.h
create mode 100644 libsound/makefile
diff --git a/libsound/audio.c b/libsound/audio.c
new file mode 100644
index 00000000..7d18e41f
--- /dev/null
+++ b/libsound/audio.c
@@ -0,0 +1,64 @@
+/* This File Is Part Of Hurd Audio Interface System (Haudis) */
+/* This file Is Under GNU General Public License Version 3 (GPL3) */
+/* Original Author : AHMED KHIDER (2026) */
+
+
+
+#include "audio.h"
+
+bool init_hda_enge(volatile uint32_t *cntlr)
+{
+
+
+ /* Controller Initialization */
+
+ cntlr[HDA_GC] &= ~RESET;
+ uint8_t wait = 50;
+
+ while ( (wait--) > 0)
+ { /* Wait Until Read Back */ }
+
+ if (wait <= 0) return 1;
+
+ cntlr[HDA_GC] |= RESET;
+
+ while ( (wait--) > 0)
+ { /* Wait Until Read Back */ }
+
+ if (wait <= 0) return 1;
+
+ if ((cntlr[HDA_ST] & 0x0F) != 0) return 1;
+
+ /* CORB Initialization */
+
+ cntlr[HDA_CORB_CNTRL] = 0x00;
+ while (cntlr[HDA_CORB_CNTRL] & 2);
+
+ cntlr[HDA_CORB_LBA] &= 0xFFFFFFFF;
+ cntlr[HDA_CORB_UBA] = (*cntlr >> 16) & 0xFFFFFFFF;
+
+ cntlr[HDA_CORB_WP] = 0x0000;
+
+ cntlr[HDA_CORB_RP] &= (1 << 15); /* 0x8000 */
+ while( cntlr[HDA_CORB_RP] &= (1 << 15) );
+ cntlr[HDA_CORB_RP] = 0x0000;
+ cntlr[HDA_CORB_CNTRL] = 0x02;
+
+
+ /* RIRB Initialization */
+
+ cntlr[HDA_RIRB_CNTRL]=0x00;
+ while (cntlr[HDA_RIRB_CNTRL] & 2);
+
+ cntlr[HDA_RIRB_LBA] &= 0xFFFFFFFFF;
+ cntlr[HDA_RIRB_UBA] = (*cntlr >> 16) & 0xFFFFFFFF;
+
+ cntlr[HDA_RIRB_SIZE] = 0x02;
+
+ cntlr[HDA_CORB_WP] = (1 << 15);
+ while( cntlr[HDA_RIRB_WP] &= (1 << 15) ); /* 0x8000 */
+ cntlr[HDA_RIRB_WP] = 0x0000;
+ cntlr[HDA_RIRB_CNTRL] = 0x02;
+
+ return 0;
+}
diff --git a/libsound/audio.h b/libsound/audio.h
new file mode 100644
index 00000000..2b07c902
--- /dev/null
+++ b/libsound/audio.h
@@ -0,0 +1,111 @@
+/* This File Is Part Of Hurd Audio Interface System (Haudis) */
+/* This file Is Under GNU General Public License Version 3 (GPL3) */
+/* Original Author : AHMED KHIDER (2026) */
+
+#ifndef HURD_AUDIO_INTERFACE
+#define HURD_AUDIO_INTERFACE
+
+#include <stdint.h>
+#include <stdbool.h>
+
+/* Intel High Definition Audio */
+
+#ifndef INTEL_HDA_REG
+#define INTEL_HDA_REG
+#define HDA_GCP 0x00 /* Global Capablities */
+#define HDA_MNV 0x02 /* Minor Version */
+#define HDA_MJV 0x03 /* Major Version */
+#define HDA_GC 0x08 /* Global control */
+#define HDA_ST 0x0E /* Status Test */
+#define HDA_IC 0x20 /* Interrupt Control */
+#define HDA_STREAM_SYNCH 0x34 /* Stream Synchronization */
+#define HDA_CORB_LBA 0x40 /* CORB Lower Base Address */
+#define HDA_CORB_UBA 0x44 /* CORB Upper Base Address */
+#define HDA_CORB_WP 0x48 /* CORB Write Pointer */
+#define HDA_CORB_RP 0x4A /* CORB Read Pointer */
+#define HDA_CORB_CNTRL 0x4C /* CORB Control */
+#define HDA_CORB_SIZE 0x4E /* CORB Size */
+#define HDA_RIRB_LBA 0x50 /* RIRB Lower Base Address */
+#define HDA_RIRB_UBA 0x54 /* RIRB Upper Base Address */
+#define HDA_RIRB_WP 0x58 /* RIRB Write Pointer */
+#define HDA_RIRB_RIC 0x5A /* RIRB Response Interrupt Count */
+#define HDA_RIRB_CNTRL 0x5C /* RIRB Control */
+#define HDA_RIRB_SIZE 0x5E /* RIRB Size */
+#define HDA_DMA_PLBA 0x70 /* DMA Position Lower Base Address */
+#define HDA_DMA_PUBA 0x74 /* DMA Position Upper Base Address */
+#define HDA_SD_CNTL1 0x00 /* Stream Descriptor */
+#define HDA_SD_CNTL2 0x01 /* Stream Descriptor */
+#define HDA_SD_CNTL3 0x02 /* Stream Descriptor */
+#define HDA_SD_STS 0X03 /* Stream Status */
+#define HDA_SD_LPIB1 0x04 /* Stream Link Position In Buffer */
+#define HDA_SD_LPIB2 0x05 /* Stream Link Position In Buffer */
+#define HDA_SD_LPIB3 0x06 /* Stream Link Position In Buffer */
+#define HDA_SD_LPIB4 0x07 /* Stream Link Position In Buffer */
+#define HDA_SD_LVD1 0x0C /* Stream Last Valid Index */
+#define HDA_SD_LVD2 0x0D /* Stream Last Valid Index */
+#define HDA_SD_FIFOWM1 0x0E /* Stream FIFO Watermark */
+#define HDA_SD_FIFOWM2 0x0F /* Stream FIFO Watermark */
+#define HDA_SD_FMT1 0x12 /* Stream Format */
+#define HDA_SD_FMT2 0x13 /* Stream Format */
+#endif /* INTEL_HDA_REG*/
+
+
+/* Intel AC97 Registers */
+
+#ifndef INTEL_AC97_REG
+#define AC97_REG
+#define AC97_RR 0x00 /* Reset Register */
+#define AC97_MV 0x02 /* Master Valume */
+#define AC97_AUX_OV 0x04 /* AUX Output Volume */
+#define AC97_MPV 0x0E /* Microphone Valume */
+#define AC97_PCM_OV 0x18 /* PCM Output Volume */
+#define AC97_SRID 0x1A /* Select Record Input Device */
+#define AC97_RG 0x1C /* Record Gain */
+#define AC97_RGOM 0x1E /* Record Gain Of Microphone */
+#define AC97_GC 0x2C /* Global Contorl */
+#define AC97_GS 0x30 /* Global Status */
+#define AC97_BDBA1 0x00 /* Buffer Descriper Base Address */
+#define AC97_BDBA2 0x10 /* Buffer Descriper Base Address */
+#define AC97_BDBA3 0x20 /* Buffer Descriper Base Address */
+#define AC97_CPSE1 0x04 /* Current Processed Entry */
+#define AC97_CPSE2 0x14 /* Current Processed Entry */
+#define AC97_CPSE3 0x24 /* Current Processed Entry */
+#define AC97_LVD1 0x05 /* Last Valid Entry */
+#define AC97_LVD2 0x15 /* Last Valid Entry */
+#define AC97_LVD3 0x25 /* Last Valid Entry */
+#define AC97_TS1 0x06 /* Transfer Status */
+#define AC97_TS2 0x16 /* Transfer Status */
+#define AC97_TS3 0x26 /* Transfer Status */
+#define AC97_PICE1 0x08 /* Position In Current Entry */
+#define AC97_PICE2 0x18 /* Position In Current Entry */
+#define AC97_PICE3 0x28 /* Position In Current Entry */
+#define AC97_PE1 0x0A /* Prefetched Entry */
+#define AC97_PE2 0x1A /* Prefetched Entry */
+#define AC97_PE3 0x2A /* Prefetched Entry */
+#define AC97_TC1 0x0B /* Transfer Control */
+#define AC97_TC2 0x1B /* Transfer Control*/
+#define AC97_TC3 0x2B /* Transfer Control*/
+#endif /* INTEL_AC97_REG */
+
+
+
+
+/* Bitwise Functions */
+
+#define RESET (1 << 0)
+#define BLSHIFT(shift,value) (value << shift) /* Left Shifting */
+#define BRSHIFT(shift,value) (value >> shift) /* Right Shifting */
+
+/* Read Functions */
+
+#define READ(addrs,offset)(addrs[offset]);
+
+/* Write Functions */
+
+#define WRITE(addrs,offset,value)(addrs[offset]=value)
+
+/* Initalization Funcations */
+
+bool init_hda_enge(volatile uint32_t *cntlr);
+
+#endif /* HURD_AUDIO_INTERFACE */
diff --git a/libsound/makefile b/libsound/makefile
new file mode 100644
index 00000000..ee5046e5
--- /dev/null
+++ b/libsound/makefile
@@ -0,0 +1,7 @@
+CC ?= gcc
+CFLAGS = -Wall -Wextra
+
+haudis: audio.o
+
+audio.o:
+ $(CC) -o audio.c
--
2.47.3
