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Diffstat (limited to 'c/src/lib/libbsp/arm/nds/libnds/include/nds/interrupts.h')
| -rw-r--r-- | c/src/lib/libbsp/arm/nds/libnds/include/nds/interrupts.h | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/c/src/lib/libbsp/arm/nds/libnds/include/nds/interrupts.h b/c/src/lib/libbsp/arm/nds/libnds/include/nds/interrupts.h deleted file mode 100644 index 5f31190fda..0000000000 --- a/c/src/lib/libbsp/arm/nds/libnds/include/nds/interrupts.h +++ /dev/null @@ -1,185 +0,0 @@ -/*--------------------------------------------------------------------------------- - Interrupt registers and vector pointers - - Copyright (C) 2005 - 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. - - ----------------------------------------------------------------------------------*/ - -/*! \file interrupts.h - - \brief nds interrupt support. - -*/ - -#ifndef NDS_INTERRUPTS_INCLUDE -#define NDS_INTERRUPTS_INCLUDE - -#include <nds/jtypes.h> - -/*! \enum IRQ_MASKS - \brief values allowed for REG_IE and REG_IF - -*/ -enum IRQ_MASKS { - IRQ_VBLANK = BIT(0), /*!< vertical blank interrupt mask */ - IRQ_HBLANK = BIT(1), /*!< horizontal blank interrupt mask */ - IRQ_VCOUNT = BIT(2), /*!< vcount match interrupt mask */ - IRQ_TIMER0 = BIT(3), /*!< timer 0 interrupt mask */ - IRQ_TIMER1 = BIT(4), /*!< timer 1 interrupt mask */ - IRQ_TIMER2 = BIT(5), /*!< timer 2 interrupt mask */ - IRQ_TIMER3 = BIT(6), /*!< timer 3 interrupt mask */ - IRQ_NETWORK = BIT(7), /*!< serial interrupt mask */ - IRQ_DMA0 = BIT(8), /*!< DMA 0 interrupt mask */ - IRQ_DMA1 = BIT(9), /*!< DMA 1 interrupt mask */ - IRQ_DMA2 = BIT(10), /*!< DMA 2 interrupt mask */ - IRQ_DMA3 = BIT(11), /*!< DMA 3 interrupt mask */ - IRQ_KEYS = BIT(12), /*!< Keypad interrupt mask */ - IRQ_CART = BIT(13), /*!< GBA cartridge interrupt mask */ - IRQ_IPC_SYNC = BIT(16), /*!< IPC sync interrupt mask */ - IRQ_FIFO_EMPTY = BIT(17), /*!< Send FIFO empty interrupt mask */ - IRQ_FIFO_NOT_EMPTY = BIT(18), /*!< Receive FIFO empty interrupt mask */ - IRQ_CARD = BIT(19), /*!< interrupt mask */ - IRQ_CARD_LINE = BIT(20), /*!< interrupt mask */ - IRQ_GEOMETRY_FIFO = BIT(21), /*!< geometry FIFO interrupt mask */ - IRQ_LID = BIT(22), /*!< interrupt mask */ - IRQ_SPI = BIT(23), /*!< SPI interrupt mask */ - IRQ_WIFI = BIT(24), /*!< WIFI interrupt mask (ARM7)*/ - IRQ_ALL = (~0) -}; - -#define MAX_INTERRUPTS 25 - -typedef enum IRQ_MASKS IRQ_MASK; - -/*! \def REG_IE - - \brief Interrupt Enable Register. - - This is the activation mask for the internal interrupts. Unless - the corresponding bit is set, the IRQ will be masked out. -*/ -#define REG_IE (*(vuint32*)0x04000210) - -/*! \def REG_IF - - \brief Interrupt Flag Register. - - Since there is only one hardware interrupt vector, the IF register - contains flags to indicate when a particular of interrupt has occured. - To acknowledge processing interrupts, set IF to the value of the - interrupt handled. - -*/ -#define REG_IF (*(vuint32*)0x04000214) - -/*! \def REG_IME - - \brief Interrupt Master Enable Register. - - When bit 0 is clear, all interrupts are masked. When it is 1, - interrupts will occur if not masked out in REG_IE. - -*/ -#define REG_IME (*(vuint16*)0x04000208) - -/*! \enum IME_VALUE - \brief values allowed for REG_IME -*/ -enum IME_VALUE { - IME_DISABLE = 0, /*!< Disable all interrupts. */ - IME_ENABLE = 1, /*!< Enable all interrupts not masked out in REG_IE */ -}; - - -#ifdef __cplusplus -extern "C" { -#endif - - -extern VoidFunctionPointer __irq_vector[]; -extern vuint32 __irq_flags[]; -#define VBLANK_INTR_WAIT_FLAGS *(__irq_flags) -#define IRQ_HANDLER *(__irq_vector) - -struct IntTable{IntFn handler; u32 mask;}; - -/*! \fn irqInit(void) - \brief Initialise the libnds interrupt system. - - Call this function at the start of any application which requires interrupt support. - This function should be used in preference to irqInitHandler. - -*/ -void irqInit(void); -/*! \fn irqSet(IRQ_MASK irq, VoidFunctionPointer handler) - \brief Add a handler for the given interrupt mask. - - Specify the handler to use for the given interrupt. This only works with - the default interrupt handler, do not mix the use of this routine with a - user-installed IRQ handler. - \param irq Mask associated with the interrupt. - \param handler Address of the function to use as an interrupt service routine - \note - When any handler specifies using IRQ_VBLANK or IRQ_HBLANK, DISP_SR - is automatically updated to include the corresponding DISP_VBLANK_IRQ or DISP_HBLANK_IRQ. - - \warning Only one IRQ_MASK can be specified with this function. -*/ -void irqSet(IRQ_MASK irq, VoidFunctionPointer handler); -/*! \fn irqClear(IRQ_MASK irq) - \brief remove the handler associated with the interrupt mask irq. - \param irq Mask associated with the interrupt. -*/ -void irqClear(IRQ_MASK irq); -/*! \fn irqInitHandler(VoidFunctionPointer handler) - \brief Install a user interrupt dispatcher. - - This function installs the main interrupt function, all interrupts are serviced through this routine. For most - purposes the libnds interrupt dispacther should be used in preference to user code unless you know *exactly* what you're doing. - - \param handler Address of the function to use as an interrupt dispatcher - \note the function *must* be ARM code -*/ -void irqInitHandler(VoidFunctionPointer handler); -/*! \fn irqEnable(uint32 irq) - \brief Allow the given interrupt to occur. - \param irq The set of interrupt masks to enable. - \note Specify multiple interrupts to enable by ORing several IRQ_MASKS. -*/ -void irqEnable(uint32 irq); -/*! \fn irqDisable(uint32 irq) - \brief Prevent the given interrupt from occuring. - \param irq The set of interrupt masks to disable. - \note Specify multiple interrupts to disable by ORing several IRQ_MASKS. -*/ -void irqDisable(uint32 irq); - - -#ifdef __cplusplus -} -#endif - -#endif //NDS_INTERRUPTS_INCLUDE - |