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41 lines
1.2 KiB
Diff
41 lines
1.2 KiB
Diff
--- a/drivers/ssb/embedded.c
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+++ b/drivers/ssb/embedded.c
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@@ -136,6 +136,18 @@ u32 ssb_gpio_polarity(struct ssb_bus *bu
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}
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EXPORT_SYMBOL(ssb_gpio_polarity);
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+int ssb_gpio_count(struct ssb_bus *bus)
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+{
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+ if (ssb_chipco_available(&bus->chipco))
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+ return SSB_GPIO_CHIPCO_LINES;
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+ else if (ssb_extif_available(&bus->extif))
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+ return SSB_GPIO_EXTIF_LINES;
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+ else
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+ SSB_WARN_ON(1);
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+ return 0;
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+}
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+EXPORT_SYMBOL(ssb_gpio_count);
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+
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#ifdef CONFIG_SSB_DRIVER_GIGE
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static int gige_pci_init_callback(struct ssb_bus *bus, unsigned long data)
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{
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--- a/include/linux/ssb/ssb_embedded.h
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+++ b/include/linux/ssb/ssb_embedded.h
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@@ -7,6 +7,9 @@
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extern int ssb_watchdog_timer_set(struct ssb_bus *bus, u32 ticks);
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+#define SSB_GPIO_EXTIF_LINES 5
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+#define SSB_GPIO_CHIPCO_LINES 16
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+
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/* Generic GPIO API */
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u32 ssb_gpio_in(struct ssb_bus *bus, u32 mask);
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u32 ssb_gpio_out(struct ssb_bus *bus, u32 mask, u32 value);
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@@ -14,5 +17,6 @@ u32 ssb_gpio_outen(struct ssb_bus *bus,
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u32 ssb_gpio_control(struct ssb_bus *bus, u32 mask, u32 value);
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u32 ssb_gpio_intmask(struct ssb_bus *bus, u32 mask, u32 value);
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u32 ssb_gpio_polarity(struct ssb_bus *bus, u32 mask, u32 value);
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+int ssb_gpio_count(struct ssb_bus *bus);
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#endif /* LINUX_SSB_EMBEDDED_H_ */
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