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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-06 16:50:35 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-06 16:50:35 -0800 |
| commit | 3c0cb7c31c206aaedb967e44b98442bbeb17a6c4 (patch) | |
| tree | 3ecba45d7ffae4fba4a5aafaef4af5b0b1105bde /drivers/video/pxa3xx-gcu.h | |
| parent | f70f5b9dc74ca7d0a64c4ead3fb28da09dc1b234 (diff) | |
| parent | 404a02cbd2ae8bf256a2fa1169bdfe86bb5ebb34 (diff) | |
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (416 commits)
ARM: DMA: add support for DMA debugging
ARM: PL011: add DMA burst threshold support for ST variants
ARM: PL011: Add support for transmit DMA
ARM: PL011: Ensure IRQs are disabled in UART interrupt handler
ARM: PL011: Separate hardware FIFO size from TTY FIFO size
ARM: PL011: Allow better handling of vendor data
ARM: PL011: Ensure error flags are clear at startup
ARM: PL011: include revision number in boot-time port printk
ARM: vexpress: add sched_clock() for Versatile Express
ARM i.MX53: Make MX53 EVK bootable
ARM i.MX53: Some bug fix about MX53 MSL code
ARM: 6607/1: sa1100: Update platform device registration
ARM: 6606/1: sa1100: Fix platform device registration
ARM i.MX51: rename IPU irqs
ARM i.MX51: Add ipu clock support
ARM: imx/mx27_3ds: Add PMIC support
ARM: DMA: Replace page_to_dma()/dma_to_page() with pfn_to_dma()/dma_to_pfn()
mx51: fix usb clock support
MX51: Add support for usb host 2
arch/arm/plat-mxc/ehci.c: fix errors/typos
...
Diffstat (limited to 'drivers/video/pxa3xx-gcu.h')
| -rw-r--r-- | drivers/video/pxa3xx-gcu.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/video/pxa3xx-gcu.h b/drivers/video/pxa3xx-gcu.h new file mode 100644 index 000000000000..0428ed03dc49 --- /dev/null +++ b/drivers/video/pxa3xx-gcu.h @@ -0,0 +1,38 @@ +#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__ */ + |