Begin CSND refactoring
This commit is contained in:
fincs
parent
8d68a751f3
commit
840088a02b
@ -4,30 +4,24 @@
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#define CSND_SHAREDMEM_DEFAULT 0x10004000
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#define CSND_TIMER(n) (0x3FEC3FC / ((u32)(n)))
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typedef enum{
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CSND_LOOP_DISABLE,
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CSND_LOOP_ENABLE
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CSND_LOOP_ENABLE,
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} CSND_LOOPING;
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typedef enum{
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CSND_ENCODING_PCM8,
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CSND_ENCODING_PCM16,
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CSND_ENCODING_IMA_ADPCM,
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CSND_ENCODING_PSG//"3 = PSG, similar to DS?"
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CSND_ENCODING_PSG, // Similar to DS?
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} CSND_ENCODING;
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struct CSND_CHANNEL_STATUS {
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u8 state;
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u8 pad[3];
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u32 unknown;
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u32 position;
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} ALIGN(4);
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// See here regarding CSND shared-mem commands, etc: http://3dbrew.org/wiki/CSND_Shared_Memory
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Result CSND_initialize(u32* sharedMem);
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Result CSND_shutdown();
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Result csndInit(void);
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Result csndExit(void);
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u32 CSND_convertsamplerate(u32 samplerate);
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Result CSND_playsound(u32 channel, u32 looping, u32 encoding, u32 samplerate, u32 *vaddr0, u32 *vaddr1, u32 totalbytesize, u32 unk0, u32 unk1);
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@ -8,17 +8,17 @@
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// See here regarding CSND shared-mem commands, etc: http://3dbrew.org/wiki/CSND_Shared_Memory
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Handle CSND_handle = 0;
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Handle CSND_mutexhandle = 0;
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Handle CSND_sharedmemhandle = 0;
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u32 *CSND_sharedmem = NULL;
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static u32 CSND_bitmask=0;
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static Handle csndHandle = 0;
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static Handle csndMutex = 0;
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static Handle csndSharedMemBlock = 0;
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static u32* csndSharedMem = NULL;
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static u32 csndBitmask = 0;
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static u32 CSND_sharedmem_cmdblocksize = 0x2000;
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static u32 CSND_sharedmem_startcmdoff = 0;
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static u32 CSND_sharedmem_currentcmdoff = 0;
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static u32 csndCmdBlockSize = 0x2000;
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static u32 csndCmdStartOff = 0;
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static u32 csndCmdCurOff = 0;
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Result CSND_cmd1(Handle *mutexhandle, Handle *sharedmemhandle, u32 sharedmem_size, u32 off0, u32 off1, u32 off2, u32 off3)
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static Result CSND_Initialize(u32 sharedmem_size, u32 off0, u32 off1, u32 off2, u32 off3)
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{
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Result ret=0;
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u32 *cmdbuf = getThreadCommandBuffer();
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@ -30,78 +30,79 @@ Result CSND_cmd1(Handle *mutexhandle, Handle *sharedmemhandle, u32 sharedmem_siz
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cmdbuf[4] = off2;
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cmdbuf[5] = off3;
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if((ret = svcSendSyncRequest(CSND_handle))!=0)return ret;
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if((ret = svcSendSyncRequest(csndHandle))!=0)return ret;
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*mutexhandle = cmdbuf[3];
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*sharedmemhandle = cmdbuf[4];
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csndMutex = cmdbuf[3];
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csndSharedMemBlock = cmdbuf[4];
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return (Result)cmdbuf[1];
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}
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Result CSND_cmd2()
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static Result CSND_Shutdown()
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{
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Result ret=0;
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u32 *cmdbuf = getThreadCommandBuffer();
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cmdbuf[0] = 0x00020000;
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if((ret = svcSendSyncRequest(CSND_handle))!=0)return ret;
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if((ret = svcSendSyncRequest(csndHandle))!=0)return ret;
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return (Result)cmdbuf[1];
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}
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Result CSND_cmd5(u32 *bitmask)
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static Result CSND_GetBitmask(u32* bitmask)
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{
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Result ret=0;
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u32 *cmdbuf = getThreadCommandBuffer();
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cmdbuf[0] = 0x00050000;
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if((ret = svcSendSyncRequest(CSND_handle))!=0)return ret;
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if((ret = svcSendSyncRequest(csndHandle))!=0)return ret;
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*bitmask = cmdbuf[2];
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return (Result)cmdbuf[1];
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}
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Result CSND_initialize(u32* sharedMem)
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Result csndInit(void)
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{
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Result ret=0;
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csndSharedMem = (u32*)CSND_SHAREDMEM_DEFAULT;
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if(sharedMem==NULL)sharedMem = (u32*)CSND_SHAREDMEM_DEFAULT;
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CSND_sharedmem = sharedMem;
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// TODO: proper error handling!
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ret = srvGetServiceHandle(&CSND_handle, "csnd:SND");
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ret = srvGetServiceHandle(&csndHandle, "csnd:SND");
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if (ret != 0) return ret;
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ret = CSND_cmd1(&CSND_mutexhandle, &CSND_sharedmemhandle, CSND_sharedmem_cmdblocksize+0x114, CSND_sharedmem_cmdblocksize, CSND_sharedmem_cmdblocksize+8, CSND_sharedmem_cmdblocksize+0xc8, CSND_sharedmem_cmdblocksize+0xd8);
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u32 sharedMemSize = csndCmdBlockSize+0x114;
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ret = CSND_Initialize(sharedMemSize, csndCmdBlockSize, csndCmdBlockSize+8, csndCmdBlockSize+0xc8, csndCmdBlockSize+0xd8);
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if (ret != 0) return ret;
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ret = svcMapMemoryBlock(CSND_sharedmemhandle, (u32)CSND_sharedmem, 3, 0x10000000);
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ret = svcMapMemoryBlock(csndSharedMemBlock, (u32)csndSharedMem, 3, 0x10000000);
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if (ret != 0) return ret;
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memset(CSND_sharedmem, 0, 0x2114);
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memset(csndSharedMem, 0, sharedMemSize);
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ret = CSND_cmd5(&CSND_bitmask);
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ret = CSND_GetBitmask(&csndBitmask);
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if (ret != 0) return ret;
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return 0;
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}
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Result CSND_shutdown()
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Result csndExit(void)
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{
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Result ret;
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svcUnmapMemoryBlock(CSND_sharedmemhandle, (u32)CSND_sharedmem);
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svcCloseHandle(CSND_sharedmemhandle);
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svcUnmapMemoryBlock(csndSharedMemBlock, (u32)csndSharedMem);
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svcCloseHandle(csndSharedMemBlock);
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ret = CSND_cmd2();
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if(ret!=0)return ret;
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return svcCloseHandle(CSND_handle);
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ret = CSND_Shutdown();
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svcCloseHandle(csndHandle);
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return ret;
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}
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Result CSND_cmd3(u32 offset)
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static Result CSND_ExecCommand20(u32 offset)
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{
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Result ret=0;
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u32 *cmdbuf = getThreadCommandBuffer();
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@ -109,35 +110,31 @@ Result CSND_cmd3(u32 offset)
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cmdbuf[0] = 0x00030040;
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cmdbuf[1] = offset;
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if((ret = svcSendSyncRequest(CSND_handle))!=0)return ret;
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if((ret = svcSendSyncRequest(csndHandle))!=0)return ret;
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return (Result)cmdbuf[1];
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}
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void CSND_writesharedmem_cmdtype0(u16 cmdid, u8 *cmdparams)
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static void csndWriteCmdType0(int cmdid, u8 *cmdparams)
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{
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u16* ptr;
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u32 prevoff;
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s32 outindex=0;
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svcWaitSynchronizationN(&outindex, &CSND_mutexhandle, 1, 0, ~0);
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svcWaitSynchronizationN(&outindex, &csndMutex, 1, 0, ~0);
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if(CSND_sharedmem_startcmdoff != CSND_sharedmem_currentcmdoff)
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if (csndCmdStartOff != csndCmdCurOff)
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{
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if(CSND_sharedmem_currentcmdoff>=0x20)
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{
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prevoff = CSND_sharedmem_currentcmdoff-0x20;
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}
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if (csndCmdCurOff>=0x20)
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prevoff = csndCmdCurOff-0x20;
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else
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{
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prevoff = CSND_sharedmem_cmdblocksize-0x20;
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prevoff = csndCmdBlockSize-0x20;
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ptr = (u16*)&csndSharedMem[prevoff>>2];
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*ptr = csndCmdCurOff;
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}
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ptr = (u16*)&CSND_sharedmem[prevoff>>2];
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*ptr = CSND_sharedmem_currentcmdoff;
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}
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ptr = (u16*)&CSND_sharedmem[CSND_sharedmem_currentcmdoff>>2];
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ptr = (u16*)&csndSharedMem[csndCmdCurOff>>2];
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ptr[0] = 0xffff;
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ptr[1] = cmdid;
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@ -145,30 +142,28 @@ void CSND_writesharedmem_cmdtype0(u16 cmdid, u8 *cmdparams)
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ptr[3] = 0;
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memcpy(&ptr[8>>1], cmdparams, 0x18);
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CSND_sharedmem_currentcmdoff+= 0x20;
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if(CSND_sharedmem_currentcmdoff >= CSND_sharedmem_cmdblocksize)CSND_sharedmem_currentcmdoff = 0;
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csndCmdCurOff += 0x20;
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if (csndCmdCurOff >= csndCmdBlockSize)
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csndCmdCurOff = 0;
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svcReleaseMutex(CSND_mutexhandle);
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svcReleaseMutex(csndMutex);
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}
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Result CSND_processtype0cmds()
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static Result csndExecCmdType0()
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{
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Result ret=0;
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if(CSND_sharedmem_startcmdoff == CSND_sharedmem_currentcmdoff)return 0;
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// Check we actually wrote commands
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if (csndCmdStartOff == csndCmdCurOff)
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return 0;
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ret = CSND_cmd3(CSND_sharedmem_startcmdoff);
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CSND_sharedmem_startcmdoff = CSND_sharedmem_currentcmdoff;
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ret = CSND_ExecCommand20(csndCmdStartOff);
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csndCmdStartOff = csndCmdCurOff;
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return ret;
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}
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u32 CSND_convertsamplerate(u32 samplerate)
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{
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return (u32)(6.7027964E+07f / ((float)samplerate));
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}
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void CSND_sharedmemtype0_cmd0(u32 channel, u32 value)
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void csndSharedMemtype0_cmd0(u32 channel, u32 value)
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{
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u32 cmdparams[0x18>>2];
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@ -177,7 +172,7 @@ void CSND_sharedmemtype0_cmd0(u32 channel, u32 value)
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cmdparams[0] = channel & 0x1f;
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cmdparams[1] = value;
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CSND_writesharedmem_cmdtype0(0x0, (u8*)&cmdparams);
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csndWriteCmdType0(0x0, (u8*)&cmdparams);
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}
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void CSND_setchannel_playbackstate(u32 channel, u32 value)
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@ -189,10 +184,10 @@ void CSND_setchannel_playbackstate(u32 channel, u32 value)
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cmdparams[0] = channel & 0x1f;
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cmdparams[1] = value;
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CSND_writesharedmem_cmdtype0(0x1, (u8*)&cmdparams);
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csndWriteCmdType0(0x1, (u8*)&cmdparams);
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}
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void CSND_sharedmemtype0_cmd3(u32 channel, u32 physaddr, u32 size)
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void csndSharedMemtype0_cmd3(u32 channel, u32 physaddr, u32 size)
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{
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u32 cmdparams[0x18>>2];
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@ -202,10 +197,10 @@ void CSND_sharedmemtype0_cmd3(u32 channel, u32 physaddr, u32 size)
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cmdparams[1] = physaddr;
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cmdparams[2] = size;
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CSND_writesharedmem_cmdtype0(0x3, (u8*)&cmdparams);
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csndWriteCmdType0(0x3, (u8*)&cmdparams);
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}
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void CSND_sharedmemtype0_cmd9(u32 channel, u16 value)
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void csndSharedMemtype0_cmd9(u32 channel, u16 value)
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{
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u32 cmdparams[0x18>>2];
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@ -214,22 +209,22 @@ void CSND_sharedmemtype0_cmd9(u32 channel, u16 value)
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cmdparams[0] = channel & 0x1f;
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cmdparams[1] = value | (value<<16);
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CSND_writesharedmem_cmdtype0(0x9, (u8*)&cmdparams);
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csndWriteCmdType0(0x9, (u8*)&cmdparams);
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}
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void CSND_sharedmemtype0_cmd8(u32 channel, u32 samplerate)
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void csndSharedMemtype0_cmd8(u32 channel, u32 samplerate)
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{
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u32 cmdparams[0x18>>2];
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memset(cmdparams, 0, 0x18);
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cmdparams[0] = channel & 0x1f;
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cmdparams[1] = CSND_convertsamplerate(samplerate);
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cmdparams[1] = CSND_TIMER(samplerate);
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CSND_writesharedmem_cmdtype0(0x8, (u8*)&cmdparams);
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csndWriteCmdType0(0x8, (u8*)&cmdparams);
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}
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void CSND_sharedmemtype0_cmde(u32 channel, u32 looping, u32 encoding, u32 samplerate, u32 unk0, u32 unk1, u32 physaddr0, u32 physaddr1, u32 totalbytesize)
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void csndSharedMemtype0_cmde(u32 channel, u32 looping, u32 encoding, u32 samplerate, u32 unk0, u32 unk1, u32 physaddr0, u32 physaddr1, u32 totalbytesize)
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{
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u32 val;
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u32 cmdparams[0x18>>2];
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@ -243,7 +238,7 @@ void CSND_sharedmemtype0_cmde(u32 channel, u32 looping, u32 encoding, u32 sample
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cmdparams[0] |= (encoding & 3) << 12;
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cmdparams[0] |= (unk1 & 3) << 14;
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val = CSND_convertsamplerate(samplerate);
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val = CSND_TIMER(samplerate);
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if(val<0x42)val = 0x42;
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if(val>0xffff)val = 0xffff;
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cmdparams[0] |= val<<16;
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@ -252,10 +247,10 @@ void CSND_sharedmemtype0_cmde(u32 channel, u32 looping, u32 encoding, u32 sample
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cmdparams[4] = physaddr1;
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cmdparams[5] = totalbytesize;
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CSND_writesharedmem_cmdtype0(0xe, (u8*)&cmdparams);
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csndWriteCmdType0(0xe, (u8*)&cmdparams);
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}
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Result CSND_sharedmemtype0_cmdupdatestate(int waitdone)
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Result csndSharedMemtype0_cmdupdatestate(int waitdone)
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{
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u8 *ptr;
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int ret=0;
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@ -264,11 +259,11 @@ Result CSND_sharedmemtype0_cmdupdatestate(int waitdone)
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memset(cmdparams, 0, 0x18);
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ptr = (u8*)&CSND_sharedmem[CSND_sharedmem_startcmdoff>>2];
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ptr = (u8*)&csndSharedMem[csndCmdStartOff>>2];
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CSND_writesharedmem_cmdtype0(0x300, (u8*)&cmdparams);
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csndWriteCmdType0(0x300, (u8*)&cmdparams);
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ret = CSND_processtype0cmds();
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ret = csndExecCmdType0();
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if(ret!=0)return ret;
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if(waitdone)
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@ -287,28 +282,28 @@ Result CSND_playsound(u32 channel, u32 looping, u32 encoding, u32 samplerate, u3
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physaddr0 = osConvertVirtToPhys((u32)vaddr0);
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physaddr1 = osConvertVirtToPhys((u32)vaddr1);
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CSND_sharedmemtype0_cmde(channel, looping, encoding, samplerate, unk0, unk1, physaddr0, physaddr1, totalbytesize);
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CSND_sharedmemtype0_cmd8(channel, samplerate);
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csndSharedMemtype0_cmde(channel, looping, encoding, samplerate, unk0, unk1, physaddr0, physaddr1, totalbytesize);
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csndSharedMemtype0_cmd8(channel, samplerate);
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if(looping)
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{
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if(physaddr1>physaddr0)totalbytesize-= (u32)physaddr1 - (u32)physaddr0;
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CSND_sharedmemtype0_cmd3(channel, physaddr1, totalbytesize);
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csndSharedMemtype0_cmd3(channel, physaddr1, totalbytesize);
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}
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CSND_sharedmemtype0_cmd8(channel, samplerate);
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CSND_sharedmemtype0_cmd9(channel, 0xffff);
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csndSharedMemtype0_cmd8(channel, samplerate);
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csndSharedMemtype0_cmd9(channel, 0xffff);
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CSND_setchannel_playbackstate(channel, 1);
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return CSND_sharedmemtype0_cmdupdatestate(0);
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return csndSharedMemtype0_cmdupdatestate(0);
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}
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Result CSND_getchannelstate(u32 entryindex, struct CSND_CHANNEL_STATUS *out)
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{
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Result ret=0;
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if((ret = CSND_sharedmemtype0_cmdupdatestate(1))!=0)return ret;
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if((ret = csndSharedMemtype0_cmdupdatestate(1))!=0)return ret;
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memcpy(out, &CSND_sharedmem[(CSND_sharedmem_cmdblocksize+8 + entryindex*0xc) >> 2], 0xc);
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out->position -= 0x0c000000;
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memcpy(out, &csndSharedMem[(csndCmdBlockSize+8 + entryindex*0xc) >> 2], 0xc);
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out[2] -= 0x0c000000;
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return 0;
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}
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