drivers/ssb/driver_extif.c

20 static inline u32 extif_read32(struct ssb_extif *extif, u16 offset)
22 	return ssb_read32(extif->dev, offset);
25 static inline void extif_write32(struct ssb_extif *extif, u16 offset, u32 value)
27 	ssb_write32(extif->dev, offset, value);
30 static inline u32 extif_write32_masked(struct ssb_extif *extif, u16 offset,
34 	value |= extif_read32(extif, offset) & ~mask;
35 	extif_write32(extif, offset, value);
55 int ssb_extif_serial_init(struct ssb_extif *extif, struct ssb_serial_port *ports)
60 	extif_write32(extif, SSB_EXTIF_GPIO_INTPOL, 0);
61 	extif_write32(extif, SSB_EXTIF_GPIO_INTMASK, 0);
71 				extif_write32(extif, SSB_EXTIF_GPIO_INTMASK, 2);
86 void ssb_extif_timing_init(struct ssb_extif *extif, unsigned long ns)
90 	/* Initialize extif so we can get to the LEDs and external UART */
91 	extif_write32(extif, SSB_EXTIF_PROG_CFG, SSB_EXTCFG_EN);
97 	extif_write32(extif, SSB_EXTIF_PROG_WAITCNT, tmp);
104 	extif_write32(extif, SSB_EXTIF_PROG_WAITCNT, tmp);
107 void ssb_extif_get_clockcontrol(struct ssb_extif *extif,
111 	*n = extif_read32(extif, SSB_EXTIF_CLOCK_N);
112 	*m = extif_read32(extif, SSB_EXTIF_CLOCK_SB);
117 	struct ssb_extif *extif = bcm47xx_wdt_get_drvdata(wdt);
119 	return ssb_extif_watchdog_timer_set(extif, ticks);
124 	struct ssb_extif *extif = bcm47xx_wdt_get_drvdata(wdt);
127 	ticks = ssb_extif_watchdog_timer_set(extif, ticks);
132 u32 ssb_extif_watchdog_timer_set(struct ssb_extif *extif, u32 ticks)
136 	extif_write32(extif, SSB_EXTIF_WATCHDOG, ticks);
141 void ssb_extif_init(struct ssb_extif *extif)
143 	if (!extif->dev)
145 	spin_lock_init(&extif->gpio_lock);
148 u32 ssb_extif_gpio_in(struct ssb_extif *extif, u32 mask)
150 	return extif_read32(extif, SSB_EXTIF_GPIO_IN) & mask;
153 u32 ssb_extif_gpio_out(struct ssb_extif *extif, u32 mask, u32 value)
158 	spin_lock_irqsave(&extif->gpio_lock, flags);
159 	res = extif_write32_masked(extif, SSB_EXTIF_GPIO_OUT(0),
161 	spin_unlock_irqrestore(&extif->gpio_lock, flags);
166 u32 ssb_extif_gpio_outen(struct ssb_extif *extif, u32 mask, u32 value)
171 	spin_lock_irqsave(&extif->gpio_lock, flags);
172 	res = extif_write32_masked(extif, SSB_EXTIF_GPIO_OUTEN(0),
174 	spin_unlock_irqrestore(&extif->gpio_lock, flags);
179 u32 ssb_extif_gpio_polarity(struct ssb_extif *extif, u32 mask, u32 value)
184 	spin_lock_irqsave(&extif->gpio_lock, flags);
185 	res = extif_write32_masked(extif, SSB_EXTIF_GPIO_INTPOL, mask, value);
186 	spin_unlock_irqrestore(&extif->gpio_lock, flags);
191 u32 ssb_extif_gpio_intmask(struct ssb_extif *extif, u32 mask, u32 value)
196 	spin_lock_irqsave(&extif->gpio_lock, flags);
197 	res = extif_write32_masked(extif, SSB_EXTIF_GPIO_INTMASK, mask, value);
198 	spin_unlock_irqrestore(&extif->gpio_lock, flags);