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135 lines
4.2 KiB
135 lines
4.2 KiB
3 weeks ago
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/* vxbFtGpio.h - Driver for GPIO controller*/
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/*
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*
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* This program is OPEN SOURCE software: you can redistribute it and/or modify it;
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* This program is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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*/
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#ifndef __INCvxbFtGpioh
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#define __INCvxbFtGpioh
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define GPIO_READ_4(pCtrl, addr) \
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vxbRead32 ((pCtrl->gpioHandle), \
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(UINT32 *)((char *)(pCtrl->pInst->pRegBase[0]) + (addr)))
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#define GPIO_WRITE_4(pCtrl, addr, data) \
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vxbWrite32 ((pCtrl->gpioHandle), \
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(UINT32 *)((char *)(pCtrl->pInst->pRegBase[0]) + (addr)), data)
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/* gpio mode */
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#define GPIO_MODE_NOT_USED 0
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#define GPIO_MODE_IN 1
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#define GPIO_MODE_OUT 2
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#define GPIO_MODE_INT 3
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#define FT_GPIO_PORT_WIDTH 8
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/* Register offset */
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#define GPIO_SW_DR_A 0x00 /* output register for port A*/
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#define GPIO_SW_DDR_A 0x04 /* director register for port A. 0:input; 1:output */
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#define GPIO_EXT_A 0x08 /* input register for port A*/
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#define GPIO_SW_DR_B 0x0c /* output register for port B*/
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#define GPIO_SW_DDR_B 0x10 /* director register for port B. 0:input; 1:output */
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#define GPIO_EXT_B 0x14 /* input register for port B*/
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#define GPIO_INTEN_A 0x18 /* only Port A support interrupt */
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#define GPIO_INTMASK_A 0x1c
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#define GPIO_INTTYPE_LEVEL_A 0x20
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#define GPIO_INT_POLARITY_A 0x24
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#define GPIO_INTSTATUS_A 0x28
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#define GPIO_RAW_INTSTATUS_A 0x2c
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#define GPIO_LS_SYNC_A 0x30
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#define GPIO_DEBOUNCE 0x34
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#define GPIO_PORTA_EOI_A 0x38
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/* group index */
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#define GPIO_PORT_A 0
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#define GPIO_PORT_B 1
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#define GPIO_PORT_MUM 2
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/* gpio direction */
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#define GPIO_DIR_IN 0
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#define GPIO_DIR_OUT 1
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/* int enable/disable */
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#define GPIO_INT_DIS 0
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#define GPIO_INT_ENA 1
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/* int mask */
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#define GPIO_INT_NOT_MASK 0
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#define GPIO_INT_MASK 1
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/* int type */
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#define GPIO_INT_TYPE_LEVEL 0
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#define GPIO_INT_TYPE_EDGE 1
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/* int polarity */
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#define GPIO_INT_POL_LOW_DOWN 0
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#define GPIO_INT_POL_HIGH_UP 1
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/* Private context structure */
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typedef struct ftIsrEntry
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{
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VOIDFUNCPTR pIsr; /* ISR */
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void * pArg; /* parameter */
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} FT_ISR_ENTRY;
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typedef struct ftGpioDrvCtrl
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{
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VXB_DEVICE_ID pInst; /* pointer to the controller instance */
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void * gpioHandle; /* handle of GPIO vxbRead/vxbWrite */
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FT_ISR_ENTRY isrTable[FT_GPIO_PORT_WIDTH]; /* ISR handler table */
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UINT8 pinMode[GPIO_PORT_MUM][FT_GPIO_PORT_WIDTH]; /* GPIO_MODE_NOT_USED 0
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GPIO_MODE_IN 1
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GPIO_MODE_OUT 2
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GPIO_MODE_INT 3
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*/
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STATUS intEnabled; /*whether have pin of portA used as interrupt mode */
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UINT32 triggerMode; /*Trigger mode*/
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/* set pin mode */
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STATUS (*gpioModeSet)
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(
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VXB_DEVICE_ID pDev,
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UINT32 port,
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UINT32 pin,
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UINT32 mode
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);
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/* get input value of a pin */
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UINT32 (*gpioInput)
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(
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VXB_DEVICE_ID pDev,
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UINT32 port,
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UINT32 pin
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);
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/* output value to a pin */
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STATUS (*gpioOutput)
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(
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VXB_DEVICE_ID pDev,
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UINT32 port,
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UINT32 pin,
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UINT32 value
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);
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/* set ISR for a pin */
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STATUS (*gpioISRSet)
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(
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VXB_DEVICE_ID pDev,
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UINT32 pin,
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VOIDFUNCPTR pIsr, /* ISR */
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void * pArg /* parameter */
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);
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} FT_GPIO_DRVCTRL;
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#ifdef __cplusplus
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}
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#endif
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#endif /* __INCvxbFtGpioh */
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