[PATCH] Source code files for sound library

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