brcm47xx: use libgpio instaed of implementing the gpio interface ourself.

SVN-Revision: 32992

3 files changed, 24 insertions, 79 deletions

diff --git a/package/switch/src/gpio-bcm947xx.h b/package/switch/src/gpio-bcm947xx.h
deleted file mode 100644
index 23c221d..0000000
--- a/package/switch/src/gpio-bcm947xx.h
+++ /dev/null
@@ -1,55 +0,0 @@
-#ifndef __SWITCH_GPIO_H
-#define __SWITCH_GPIO_H
-
-#include <linux/ssb/ssb_embedded.h>
-#include <linux/bcma/bcma_driver_chipcommon.h>
-#include <bcm47xx.h>
-
-static inline u32 gpio_in(void)
-{
-	switch (bcm47xx_bus_type) {
-#ifdef CONFIG_BCM47XX_SSB
-	case BCM47XX_BUS_TYPE_SSB:
-		return ssb_gpio_in(&bcm47xx_bus.ssb, ~0);
-#endif
-#ifdef CONFIG_BCM47XX_BCMA
-	case BCM47XX_BUS_TYPE_BCMA:
-		return bcma_chipco_gpio_in(&bcm47xx_bus.bcma.bus.drv_cc, ~0);
-#endif
-	}
-	return -EINVAL;
-}
-
-static inline u32 gpio_out(u32 mask, u32 value)
-{
-	switch (bcm47xx_bus_type) {
-#ifdef CONFIG_BCM47XX_SSB
-	case BCM47XX_BUS_TYPE_SSB:
-		return ssb_gpio_out(&bcm47xx_bus.ssb, mask, value);
-#endif
-#ifdef CONFIG_BCM47XX_BCMA
-	case BCM47XX_BUS_TYPE_BCMA:
-		return bcma_chipco_gpio_out(&bcm47xx_bus.bcma.bus.drv_cc, mask, value);
-#endif
-	}
-	return -EINVAL;
-}
-
-static inline u32 gpio_outen(u32 mask, u32 value)
-{
-	switch (bcm47xx_bus_type) {
-#ifdef CONFIG_BCM47XX_SSB
-	case BCM47XX_BUS_TYPE_SSB:
-		ssb_gpio_outen(&bcm47xx_bus.ssb, mask, value);
-		return 0;
-#endif
-#ifdef CONFIG_BCM47XX_BCMA
-	case BCM47XX_BUS_TYPE_BCMA:
-		bcma_chipco_gpio_outen(&bcm47xx_bus.bcma.bus.drv_cc, mask, value);
-		return 0;
-#endif
-	}
-	return -EINVAL;
-}
-
-#endif /* __SWITCH_GPIO_H */
diff --git a/package/switch/src/gpio.h b/package/switch/src/gpio.h
index 90bafd3..cb734f7 100644
--- a/package/switch/src/gpio.h
+++ b/package/switch/src/gpio.h
@@ -9,16 +9,16 @@
 #define __GPIO_H
 
 #ifdef CONFIG_BCM47XX
-#include "gpio-bcm947xx.h"
+#include <linux/gpio.h>
 #else
 #warning "Unsupported configuration."
 
-#define gpio_in()			(-1U)
-#define gpio_out(mask, value)		(-1U)
-#define gpio_outen(mask, value)		(-1U)
-#define gpio_control(mask, value)	(-1U)
-#define gpio_intmask(mask, value)	(-1U)
-#define gpio_intpolarity(mask, value)	(-1U)
+#define bcm47xx_gpio_in(mask)			(-1U)
+#define bcm47xx_gpio_out(mask, value)		(-1U)
+#define bcm47xx_gpio_outen(mask, value)		(-1U)
+#define bcm47xx_gpio_control(mask, value)	(-1U)
+#define bcm47xx_gpio_intmask(mask, value)	(-1U)
+#define bcm47xx_gpio_polarity(mask, value)	(-1U)
 
 #endif
 
diff --git a/package/switch/src/switch-adm.c b/package/switch/src/switch-adm.c
index 3826ca5..9a6d32b 100644
--- a/package/switch/src/switch-adm.c
+++ b/package/switch/src/switch-adm.c
@@ -104,7 +104,7 @@ static void adm_write(int cs, char *buf, unsigned int bits)
 	int i, len = (bits + 7) / 8;
 	__u8 mask;
 
-	gpio_out(eecs, (cs ? eecs : 0));
+	bcm47xx_gpio_out(eecs, (cs ? eecs : 0));
 	udelay(EECK_EDGE_TIME);
 
 	/* Byte assemble from MSB to LSB */
@@ -112,25 +112,25 @@ static void adm_write(int cs, char *buf, unsigned int bits)
 		/* Bit bang from MSB to LSB */
 		for (mask = 0x80; mask && bits > 0; mask >>= 1, bits --) {
 			/* Clock low */
-			gpio_out(eesk, 0);
+			bcm47xx_gpio_out(eesk, 0);
 			udelay(EECK_EDGE_TIME);
 
 			/* Output on rising edge */
-			gpio_out(eedi, ((mask & buf[i]) ? eedi : 0));
+			bcm47xx_gpio_out(eedi, ((mask & buf[i]) ? eedi : 0));
 			udelay(EEDI_SETUP_TIME);
 
 			/* Clock high */
-			gpio_out(eesk, eesk);
+			bcm47xx_gpio_out(eesk, eesk);
 			udelay(EECK_EDGE_TIME);
 		}
 	}
 
 	/* Clock low */
-	gpio_out(eesk, 0);
+	bcm47xx_gpio_out(eesk, 0);
 	udelay(EECK_EDGE_TIME);
 
 	if (cs)
-		gpio_out(eecs, 0);
+		bcm47xx_gpio_out(eecs, 0);
 }
 
 
@@ -139,7 +139,7 @@ static void adm_read(int cs, char *buf, unsigned int bits)
 	int i, len = (bits + 7) / 8;
 	__u8 mask;
 
-	gpio_out(eecs, (cs ? eecs : 0));
+	bcm47xx_gpio_out(eecs, (cs ? eecs : 0));
 	udelay(EECK_EDGE_TIME);
 
 	/* Byte assemble from MSB to LSB */
@@ -151,16 +151,16 @@ static void adm_read(int cs, char *buf, unsigned int bits)
 			__u8 gp;
 
 			/* Clock low */
-			gpio_out(eesk, 0);
+			bcm47xx_gpio_out(eesk, 0);
 			udelay(EECK_EDGE_TIME);
 
 			/* Input on rising edge */
-			gp = gpio_in();
+			gp = bcm47xx_gpio_in(~0);
 			if (gp & eedi)
 				byte |= mask;
 
 			/* Clock high */
-			gpio_out(eesk, eesk);
+			bcm47xx_gpio_out(eesk, eesk);
 			udelay(EECK_EDGE_TIME);
 		}
 
@@ -168,11 +168,11 @@ static void adm_read(int cs, char *buf, unsigned int bits)
 	}
 
 	/* Clock low */
-	gpio_out(eesk, 0);
+	bcm47xx_gpio_out(eesk, 0);
 	udelay(EECK_EDGE_TIME);
 
 	if (cs)
-		gpio_out(eecs, 0);
+		bcm47xx_gpio_out(eecs, 0);
 }
 
 
@@ -180,10 +180,10 @@ static void adm_read(int cs, char *buf, unsigned int bits)
 static void adm_enout(__u8 pins, __u8 val)
 {
 	/* Prepare GPIO output value */
-	gpio_out(pins, val);
+	bcm47xx_gpio_out(pins, val);
 
 	/* Enable GPIO outputs */
-	gpio_outen(pins, pins);
+	bcm47xx_gpio_outen(pins, pins);
 	udelay(EECK_EDGE_TIME);
 }
 
@@ -192,7 +192,7 @@ static void adm_enout(__u8 pins, __u8 val)
 static void adm_disout(__u8 pins)
 {
 	/* Disable GPIO outputs */
-	gpio_outen(pins, 0);
+	bcm47xx_gpio_outen(pins, 0);
 	udelay(EECK_EDGE_TIME);
 }
 
@@ -203,11 +203,11 @@ static void adm_adclk(int clocks)
 	int i;
 	for (i = 0; i < clocks; i++) {
 		/* Clock high */
-		gpio_out(eesk, eesk);
+		bcm47xx_gpio_out(eesk, eesk);
 		udelay(EECK_EDGE_TIME);
 
 		/* Clock low */
-		gpio_out(eesk, 0);
+		bcm47xx_gpio_out(eesk, 0);
 		udelay(EECK_EDGE_TIME);
 	}
 }