4 #include <linux/interrupt.h>
5 #include <linux/ssb/ssb_embedded.h>
6 #include <linux/gpio.h>
9 static inline u32
gpio_in(void)
11 switch (bcm47xx_bus_type
) {
12 #ifdef CONFIG_BCM47XX_SSB
13 case BCM47XX_BUS_TYPE_SSB
:
14 return ssb_gpio_in(&bcm47xx_bus
.ssb
, ~0);
16 #ifdef CONFIG_BCM47XX_BCMA
17 case BCM47XX_BUS_TYPE_BCMA
:
18 return bcma_chipco_gpio_in(&bcm47xx_bus
.bcma
.bus
.drv_cc
, ~0);
24 static inline u32
gpio_out(u32 mask
, u32 value
)
26 switch (bcm47xx_bus_type
) {
27 #ifdef CONFIG_BCM47XX_SSB
28 case BCM47XX_BUS_TYPE_SSB
:
29 return ssb_gpio_out(&bcm47xx_bus
.ssb
, mask
, value
);
31 #ifdef CONFIG_BCM47XX_BCMA
32 case BCM47XX_BUS_TYPE_BCMA
:
33 return bcma_chipco_gpio_out(&bcm47xx_bus
.bcma
.bus
.drv_cc
, mask
, value
);
39 static inline u32
gpio_outen(u32 mask
, u32 value
)
41 switch (bcm47xx_bus_type
) {
42 #ifdef CONFIG_BCM47XX_SSB
43 case BCM47XX_BUS_TYPE_SSB
:
44 ssb_gpio_outen(&bcm47xx_bus
.ssb
, mask
, value
);
47 #ifdef CONFIG_BCM47XX_BCMA
48 case BCM47XX_BUS_TYPE_BCMA
:
49 bcma_chipco_gpio_outen(&bcm47xx_bus
.bcma
.bus
.drv_cc
, mask
, value
);
56 static inline u32
gpio_control(u32 mask
, u32 value
)
58 switch (bcm47xx_bus_type
) {
59 #ifdef CONFIG_BCM47XX_SSB
60 case BCM47XX_BUS_TYPE_SSB
:
61 return ssb_gpio_control(&bcm47xx_bus
.ssb
, mask
, value
);
63 #ifdef CONFIG_BCM47XX_BCMA
64 case BCM47XX_BUS_TYPE_BCMA
:
65 return bcma_chipco_gpio_control(&bcm47xx_bus
.bcma
.bus
.drv_cc
, mask
, value
);
71 static inline u32
gpio_setintmask(u32 mask
, u32 value
)
73 switch (bcm47xx_bus_type
) {
74 #ifdef CONFIG_BCM47XX_SSB
75 case BCM47XX_BUS_TYPE_SSB
:
76 return ssb_gpio_intmask(&bcm47xx_bus
.ssb
, mask
, value
);
78 #ifdef CONFIG_BCM47XX_BCMA
79 case BCM47XX_BUS_TYPE_BCMA
:
80 return bcma_chipco_gpio_intmask(&bcm47xx_bus
.bcma
.bus
.drv_cc
, mask
, value
);
86 static inline u32
gpio_intpolarity(u32 mask
, u32 value
)
88 switch (bcm47xx_bus_type
) {
89 #ifdef CONFIG_BCM47XX_SSB
90 case BCM47XX_BUS_TYPE_SSB
:
91 return ssb_gpio_polarity(&bcm47xx_bus
.ssb
, mask
, value
);
93 #ifdef CONFIG_BCM47XX_BCMA
94 case BCM47XX_BUS_TYPE_BCMA
:
95 return bcma_chipco_gpio_polarity(&bcm47xx_bus
.bcma
.bus
.drv_cc
, mask
, value
);
101 #ifdef CONFIG_BCM47XX_SSB
102 static inline u32
__ssb_write32_masked(struct ssb_device
*dev
, u16 offset
,
106 value
|= ssb_read32(dev
, offset
) & ~mask
;
107 ssb_write32(dev
, offset
, value
);
112 #ifdef CONFIG_BCM47XX_BCMA
113 static inline u32
__bcma_write32_masked(struct bcma_device
*dev
, u16 offset
,
117 value
|= bcma_read32(dev
, offset
) & ~mask
;
118 bcma_write32(dev
, offset
, value
);
123 static void gpio_set_irqenable(int enabled
, irqreturn_t (*handler
)(int, void *))
127 irq
= gpio_to_irq(0);
128 if (irq
== -EINVAL
) return;
131 if (request_irq(irq
, handler
, IRQF_SHARED
| IRQF_SAMPLE_RANDOM
, "gpio", handler
))
134 free_irq(irq
, handler
);
137 switch (bcm47xx_bus_type
) {
138 #ifdef CONFIG_BCM47XX_SSB
139 case BCM47XX_BUS_TYPE_SSB
:
140 if (bcm47xx_bus
.ssb
.chipco
.dev
)
141 __ssb_write32_masked(bcm47xx_bus
.ssb
.chipco
.dev
, SSB_CHIPCO_IRQMASK
, SSB_CHIPCO_IRQ_GPIO
, (enabled
? SSB_CHIPCO_IRQ_GPIO
: 0));
143 #ifdef CONFIG_BCM47XX_BCMA
144 case BCM47XX_BUS_TYPE_BCMA
:
145 if (bcm47xx_bus
.bcma
.bus
.drv_cc
.core
)
146 __bcma_write32_masked(bcm47xx_bus
.bcma
.bus
.drv_cc
.core
, BCMA_CC_IRQMASK
, BCMA_CC_IRQ_GPIO
, (enabled
? BCMA_CC_IRQ_GPIO
: 0));
151 #define EXTIF_ADDR 0x1f000000
152 #define EXTIF_UART (EXTIF_ADDR + 0x00800000)
154 #define GPIO_TYPE_NORMAL (0x0 << 24)
155 #define GPIO_TYPE_EXTIF (0x1 << 24)
156 #define GPIO_TYPE_MASK (0xf << 24)
158 static inline void gpio_set_extif(int gpio
, int value
)
160 volatile u8
*addr
= (volatile u8
*) KSEG1ADDR(EXTIF_UART
) + (gpio
& ~GPIO_TYPE_MASK
);
167 #endif /* __DIAG_GPIO_H */
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