#include <stdint.h>
+
+#define RPI_MEM_BUS_COHERENT(addr) (((uint32_t)addr) | 0x40000000)
+#define RPI_MEM_BUS_UNCACHED(addr) (((uint32_t)addr) | 0xc0000000)
+
+
#define RPI_MBOX_FRAMEBUF 1
#define RPI_MBOX_PROP 8
#define RPI_TAG_GETMODEL 0x010001
+#define RPI_TAG_GETREV 0x010002
#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_BLANKSCR 0x040002
#define RPI_TAG_SETFBPHYS 0x048003
#define RPI_TAG_SETFBVIRT 0x048004
#define RPI_TAG_SETFBDEPTH 0x048005
+#define RPI_TAG_GETFBPITCH 0x040008
+#define RPI_TAG_SETFBOFFS 0x048009
+#define RPI_TAG_GETFBOFFS 0x040009
-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_prop_header {
+ uint32_t size;
+ uint32_t res;
};
-struct rpi_tag_setclock {
+struct rpi_prop {
uint32_t id, size, res;
- uint32_t clock_id, rate, skip_turbo;
+ uint32_t data[1];
};
-struct rpi_prop_header {
- uint32_t size;
- uint32_t res;
-};
+#define RPI_PROP_NEXT(p) \
+ ((struct rpi_prop*)((char*)((p) + 1) + ((p)->size - sizeof (p)->data)))
extern int rpi_model;
extern uint32_t rpi_iobase;
-extern uint32_t rpi_memsize, rpi_vc_memsize;
+extern uint32_t rpi_mem_base, rpi_mem_size, rpi_vmem_base, rpi_vmem_size;
void rpi_init(void);
+void rpi_reboot(void) __attribute__((noreturn));
void rpi_mbox_send(int chan, uint32_t msg);
uint32_t rpi_mbox_recv(int chan);
int rpi_mbox_pending(int chan);
+/* usage:
+ * rpi_prop(RPI_TAG_WHATEVER, foo, bar);
+ * rpi_prop(RPI_TAG_XYZZY, 42);
+ * if(rpi_prop_send() != -1) {
+ * struct rpi_prop *prop;
+ * while((prop = rpi_prop_next())) {
+ * ... process response tags ...
+ * }
+ * }
+ */
+void rpi_prop(int id, ...);
+int rpi_prop_send(void);
+struct rpi_prop *rpi_prop_next(void);
+/* find specific tag in response */
+struct rpi_prop *rpi_prop_find(int id);
+
#endif /* RPI_H_ */