mirror of
https://github.com/torvalds/linux.git
synced 2024-11-08 21:21:47 +00:00
39 lines
890 B
C
39 lines
890 B
C
|
#ifndef __PXA3XX_GCU_H__
|
||
|
|
#define __PXA3XX_GCU_H__
|
||
|
|
|
||
|
|
#include <linux/types.h>
|
||
|
|
|
||
|
|
/* Number of 32bit words in display list (ring buffer). */
|
||
|
|
#define PXA3XX_GCU_BUFFER_WORDS ((256 * 1024 - 256) / 4)
|
||
|
|
|
||
|
|
/* To be increased when breaking the ABI */
|
||
|
|
#define PXA3XX_GCU_SHARED_MAGIC 0x30000001
|
||
|
|
|
||
|
|
#define PXA3XX_GCU_BATCH_WORDS 8192
|
||
|
|
|
||
|
|
struct pxa3xx_gcu_shared {
|
||
|
|
u32 buffer[PXA3XX_GCU_BUFFER_WORDS];
|
||
|
|
|
||
|
|
bool hw_running;
|
||
|
|
|
||
|
|
unsigned long buffer_phys;
|
||
|
|
|
||
|
|
unsigned int num_words;
|
||
|
|
unsigned int num_writes;
|
||
|
|
unsigned int num_done;
|
||
|
|
unsigned int num_interrupts;
|
||
|
|
unsigned int num_wait_idle;
|
||
|
|
unsigned int num_wait_free;
|
||
|
|
unsigned int num_idle;
|
||
|
|
|
||
|
|
u32 magic;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* Initialization and synchronization.
|
||
|
|
* Hardware is started upon write(). */
|
||
|
|
#define PXA3XX_GCU_IOCTL_RESET _IO('G', 0)
|
||
|
|
#define PXA3XX_GCU_IOCTL_WAIT_IDLE _IO('G', 2)
|
||
|
|
|
||
|
|
#endif /* __PXA3XX_GCU_H__ */
|
||
|
|
|