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/**
* @file
* @ingroup lm32_milkymist_tmu lm32_milkymist_shared
* @brief Milkymist TMU driver
*/
/* milkymist_tmu.h
*
* Milkymist TMU driver for RTEMS
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* COPYRIGHT (c) 2010 Sebastien Bourdeauducq
*/
/**
* @defgroup lm32_milkymist_tmu Milkymist TMU
* @ingroup lm32_milkymist_shared
* @brief Milkymist TMU driver
* @{
*/
#ifndef __MILKYMIST_TMU_H_
#define __MILKYMIST_TMU_H_
#ifdef __cplusplus
extern "C" {
#endif
/* Ioctls */
#define TMU_EXECUTE 0x5400
#define TMU_EXECUTE_NONBLOCK 0x5401
#define TMU_EXECUTE_WAIT 0x5402
struct tmu_vertex {
int x;
int y;
} __attribute__((packed));
struct tmu_td {
unsigned int flags;
unsigned int hmeshlast;
unsigned int vmeshlast;
unsigned int brightness;
unsigned short chromakey;
struct tmu_vertex *vertices;
unsigned short *texfbuf;
unsigned int texhres;
unsigned int texvres;
unsigned int texhmask;
unsigned int texvmask;
unsigned short *dstfbuf;
unsigned int dsthres;
unsigned int dstvres;
int dsthoffset;
int dstvoffset;
unsigned int dstsquarew;
unsigned int dstsquareh;
unsigned int alpha;
bool invalidate_before;
bool invalidate_after;
};
#define TMU_BRIGHTNESS_MAX (63)
#define TMU_MASK_NOFILTER (0x3ffc0)
#define TMU_MASK_FULL (0x3ffff)
#define TMU_FIXEDPOINT_SHIFT (6)
#define TMU_ALPHA_MAX (63)
#define TMU_MESH_MAXSIZE (128)
#define TMU_FLAG_CHROMAKEY (2)
#define TMU_FLAG_ADDITIVE (4)
rtems_device_driver tmu_initialize(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg
);
rtems_device_driver tmu_control(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg
);
#define TMU_DRIVER_TABLE_ENTRY {tmu_initialize, \
NULL, NULL, NULL, NULL, tmu_control}
/** @} */
#ifdef __cplusplus
}
#endif
#endif /* __MILKYMIST_TMU_H_ */
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