cleanup

[rpikern] / src / rpi.h

diff --git a/src/rpi.h b/src/rpi.h
new file mode 100644 (file)
index 0000000..36f8ac4
--- /dev/null
+++ b/src/rpi.h
@@ -0,0 +1,50 @@
+#ifndef RPI_H_
+#define RPI_H_
+
+#include <stdint.h>
+
+#define RPI_MBOX_FRAMEBUF      1
+#define RPI_MBOX_PROP          8
+
+#define RPI_TAG_GETMODEL       0x010001
+#define RPI_TAG_GETRAM         0x010005
+#define RPI_TAG_GETVRAM                0x010006
+#define RPI_TAG_SETCLOCK       0x038002
+
+#define RPI_TAG_ALLOCFB                0x040001
+#define RPI_TAG_RELEASEFB      0x048001
+#define RPI_TAG_SETFBPHYS      0x048003
+#define RPI_TAG_SETFBVIRT      0x048004
+#define RPI_TAG_SETFBDEPTH     0x048005
+
+struct rpi_tag_getmodel {
+       uint32_t id, size, res;
+       uint32_t model;
+};
+
+struct rpi_tag_getram {
+       uint32_t id, size, res;
+       uint32_t membase, memsize;
+};
+
+struct rpi_tag_setclock {
+       uint32_t id, size, res;
+       uint32_t clock_id, rate, skip_turbo;
+};
+
+struct rpi_prop_header {
+       uint32_t size;
+       uint32_t res;
+};
+
+extern int rpi_model;
+extern uint32_t rpi_iobase;
+extern uint32_t rpi_memsize, rpi_vc_memsize;
+
+void rpi_init(void);
+
+void rpi_mbox_send(int chan, uint32_t msg);
+uint32_t rpi_mbox_recv(int chan);
+int rpi_mbox_pending(int chan);
+
+#endif /* RPI_H_ */