Add GPIO header and more NIDs (#158)

* Add GPIO header and more NIDs

* Add ksceSysconCtrlLED NID

* Add ksceKernelCpuSuspendIntr and ksceKernelCpuResumeIntr NIDs

* Add GPIO to the docs

1 files changed, 42 insertions, 0 deletions

diff --git a/include/kernel/lowio/gpio.h b/include/kernel/lowio/gpio.h
new file mode 100644
index 0000000..2850494
--- /dev/null
+++ b/include/kernel/lowio/gpio.h
@@ -0,0 +1,42 @@
+#ifndef _PSP2_LOWIO_GPIO_H_
+#define _PSP2_LOWIO_GPIO_H_
+
+#include <psp2/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+enum {
+	SCE_GPIO_ERROR_INVALID_BUS	= 0x803F0100,
+	SCE_GPIO_ERROR_INVALID_PORT	= 0x803F0101,
+	SCE_GPIO_ERROR_INVALID_MODE	= 0x803F0102
+};
+
+enum SceGpioPortMasks {
+	SCE_GPIO_PORT_MASK_LED_GAMECARD		= 1 << 6,
+	SCE_GPIO_PORT_MASK_LED_PS_BUTTON	= 1 << 7
+};
+
+enum SceGpioPortMode {
+	SCE_GPIO_PORT_MODE_OUTPUT	= 0,
+	SCE_GPIO_PORT_MODE_INPUT	= 1
+};
+
+int sceGpioPortRead(int bus, int port);
+int sceGpioPortSet(int bus, int port);
+int sceGpioPortClear(int bus, int port);
+int sceGpioPortReset(int bus, int port);
+int sceGpioSetPortMode(int bus, int port, int mode);
+int sceGpioGetPortMode(int bus, int port);
+int sceGpioSetIntrMode(int bus, int port, int intr_mode);
+int sceGpioGetIntrMode(int bus, int port);
+int sceGpioAcquireIntr(int bus, int port);
+int sceGpioQueryIntr(int bus, int port);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _PSP2_LOWIO_GPIO_H_ */
+