1 /*-
2  * SPDX-License-Identifier: ISC
4  * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
5  * Copyright (c) 2002-2008 Atheros Communications, Inc.
32 #define	AR_NUM_GPIO	6		/* 6 GPIO pins */
33 #define	AR_GPIOD_MASK	0x0000002F	/* GPIO data reg r/w mask */
36  * Configure GPIO Output lines
39 ar5212GpioCfgOutput(struct ath_hal *ah, uint32_t gpio, HAL_GPIO_MUX_TYPE type)  in ar5212GpioCfgOutput()  argument
41 	HALASSERT(gpio < AR_NUM_GPIO);  in ar5212GpioCfgOutput()
48 		  OS_REG_READ(ah, AR_GPIOCR) | AR_GPIOCR_CR_A(gpio));  in ar5212GpioCfgOutput()
54  * Configure GPIO Input lines
57 ar5212GpioCfgInput(struct ath_hal *ah, uint32_t gpio)  in ar5212GpioCfgInput()  argument
59 	HALASSERT(gpio < AR_NUM_GPIO);  in ar5212GpioCfgInput()
62 		  (OS_REG_READ(ah, AR_GPIOCR) &~ AR_GPIOCR_CR_A(gpio))  in ar5212GpioCfgInput()
63 		| AR_GPIOCR_CR_N(gpio));  in ar5212GpioCfgInput()
69  * Once configured for I/O - set output lines
72 ar5212GpioSet(struct ath_hal *ah, uint32_t gpio, uint32_t val)  in ar5212GpioSet()  argument
76 	HALASSERT(gpio < AR_NUM_GPIO);  in ar5212GpioSet()
79 	reg &= ~(1 << gpio);  in ar5212GpioSet()
80 	reg |= (val&1) << gpio;  in ar5212GpioSet()
87  * Once configured for I/O - get input lines
90 ar5212GpioGet(struct ath_hal *ah, uint32_t gpio)  in ar5212GpioGet()  argument
92 	if (gpio < AR_NUM_GPIO) {  in ar5212GpioGet()
94 		val = ((val & AR_GPIOD_MASK) >> gpio) & 0x1;  in ar5212GpioGet()
102  * Set the GPIO Interrupt
105 ar5212GpioSetIntr(struct ath_hal *ah, u_int gpio, uint32_t ilevel)  in ar5212GpioSetIntr()  argument
109 	/* XXX bounds check gpio */  in ar5212GpioSetIntr()
111 	val &= ~(AR_GPIOCR_CR_A(gpio) |  in ar5212GpioSetIntr()
113 	val |= AR_GPIOCR_CR_N(gpio) | AR_GPIOCR_INT(gpio) | AR_GPIOCR_INT_ENA;  in ar5212GpioSetIntr()
123 	(void) ar5212SetInterrupts(ah, AH5212(ah)->ah_maskReg | HAL_INT_GPIO);  in ar5212GpioSetIntr()