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Diffstat (limited to 'include/libnds/nds/ipc.h')
| -rw-r--r-- | include/libnds/nds/ipc.h | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/include/libnds/nds/ipc.h b/include/libnds/nds/ipc.h new file mode 100644 index 0000000000..968d6c2ea5 --- /dev/null +++ b/include/libnds/nds/ipc.h @@ -0,0 +1,155 @@ +/*--------------------------------------------------------------------------------- + Inter Processor Communication + + Copyright (C) 2005 + Michael Noland (joat) + Jason Rogers (dovoto) + Dave Murphy (WinterMute) + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any + damages arising from the use of this software. + + Permission is granted to anyone to use this software for any + purpose, including commercial applications, and to alter it and + redistribute it freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you + must not claim that you wrote the original software. If you use + this software in a product, an acknowledgment in the product + documentation would be appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and + must not be misrepresented as being the original software. + 3. This notice may not be removed or altered from any source + distribution. + +---------------------------------------------------------------------------------*/ + +#ifndef NDS_IPC_INCLUDE +#define NDS_IPC_INCLUDE + +#include <nds/jtypes.h> + +//--------------------------------------------------------------------------------- +typedef struct sTransferSoundData { +//--------------------------------------------------------------------------------- + const void *data; + u32 len; + u32 rate; + u8 vol; + u8 pan; + u8 format; + u8 PADDING; +} TransferSoundData, * pTransferSoundData; + + +//--------------------------------------------------------------------------------- +typedef struct sTransferSound { +//--------------------------------------------------------------------------------- + TransferSoundData data[16]; + u8 count; + u8 PADDING[3]; +} TransferSound, * pTransferSound; + + +//--------------------------------------------------------------------------------- +typedef struct sTransferRegion { +//--------------------------------------------------------------------------------- + vint16 touchX, touchY; // TSC X, Y + vint16 touchXpx, touchYpx; // TSC X, Y pixel values + vint16 touchZ1, touchZ2; // TSC x-panel measurements + vuint16 tdiode1, tdiode2; // TSC temperature diodes + vuint32 temperature; // TSC computed temperature + + uint16 buttons; // X, Y, /PENIRQ buttons + + union { + vuint8 curtime[8]; // current time response from RTC + + struct { + vu8 command; + vu8 year; //add 2000 to get 4 digit year + vu8 month; //1 to 12 + vu8 day; //1 to (days in month) + + vu8 weekday; // day of week + vu8 hours; //0 to 11 for AM, 52 to 63 for PM + vu8 minutes; //0 to 59 + vu8 seconds; //0 to 59 + } rtc; + } time; + vint32 unixTime; + + uint16 battery; // battery life ?? hopefully. :) + uint16 aux; // i have no idea... + + // Don't rely on these below, will change or be removed in the future + pTransferSound soundData; + + vuint32 mailAddr; + vuint32 mailData; + vuint8 mailRead; + vuint8 mailBusy; + vuint32 mailSize; +} TransferRegion, * pTransferRegion; + + +static inline +TransferRegion volatile * getIPC(void); // __attribute__ ((deprecated)); + +static inline +TransferRegion volatile * getIPC(void) { + return (TransferRegion volatile *)(0x027FF000); +} + +#define IPC getIPC() + +#define IPC_PEN_DOWN BIT(6) +#define IPC_X BIT(0) +#define IPC_Y BIT(1) +#define IPC_LID_CLOSED BIT(7) + +//--------------------------------------------------------------------------------- +// Synchronization register +//--------------------------------------------------------------------------------- +#define REG_IPC_SYNC (*(vuint16*)0x04000180) + +enum IPC_SYNC_BITS { + IPC_SYNC_IRQ_ENABLE = BIT(14), + IPC_SYNC_IRQ_REQUEST = BIT(13) +}; + +//--------------------------------------------------------------------------------- +static inline void IPC_SendSync(unsigned int sync) { +//--------------------------------------------------------------------------------- + REG_IPC_SYNC = (REG_IPC_SYNC & 0xf0ff) | (((sync) & 0x0f) << 8) | IPC_SYNC_IRQ_REQUEST; +} + +//--------------------------------------------------------------------------------- +static inline int IPC_GetSync(void) { +//--------------------------------------------------------------------------------- + return REG_IPC_SYNC & 0x0f; +} + +//--------------------------------------------------------------------------------- +// fifo +//--------------------------------------------------------------------------------- +#define REG_IPC_FIFO_TX (*(vu32*)0x4000188) +#define REG_IPC_FIFO_RX (*(vu32*)0x4100000) +#define REG_IPC_FIFO_CR (*(vu16*)0x4000184) + +enum IPC_CONTROL_BITS { + IPC_FIFO_SEND_EMPTY = (1<<0), + IPC_FIFO_SEND_FULL = (1<<1), + IPC_FIFO_SEND_IRQ = (1<<2), + IPC_FIFO_SEND_CLEAR = (1<<3), + IPC_FIFO_RECV_EMPTY = (1<<8), + IPC_FIFO_RECV_FULL = (1<<9), + IPC_FIFO_RECV_IRQ = (1<<10), + IPC_FIFO_ERROR = (1<<14), + IPC_FIFO_ENABLE = (1<<15) +}; + +#endif // NDS_IPC_INCLUDE + + |