omap_dmm_tiler.c File Reference

#include <linux/init.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/errno.h>
#include <linux/sched.h>
#include <linux/wait.h>
#include <linux/interrupt.h>
#include <linux/dma-mapping.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/delay.h>
#include <linux/mm.h>
#include <linux/time.h>
#include <linux/list.h>
#include <linux/semaphore.h>
#include "omap_dmm_tiler.h"
#include "omap_dmm_priv.h"

Go to the source code of this file.

Macros
#define	DMM_DRIVER_NAME   "dmm"
#define	GEOM(xshift, yshift, bytes_per_pixel)

Functions
int	tiler_pin (struct tiler_block *block, struct page **pages, uint32_t npages, uint32_t roll, bool wait)
int	tiler_unpin (struct tiler_block *block)
struct tiler_block *	tiler_reserve_2d (enum tiler_fmt fmt, uint16_t w, uint16_t h, uint16_t align)
struct tiler_block *	tiler_reserve_1d (size_t size)
int	tiler_release (struct tiler_block *block)
dma_addr_t	tiler_ssptr (struct tiler_block *block)
dma_addr_t	tiler_tsptr (struct tiler_block *block, uint32_t orient, uint32_t x, uint32_t y)
void	tiler_align (enum tiler_fmt fmt, uint16_t *w, uint16_t *h)
uint32_t	tiler_stride (enum tiler_fmt fmt, uint32_t orient)
size_t	tiler_size (enum tiler_fmt fmt, uint16_t w, uint16_t h)
size_t	tiler_vsize (enum tiler_fmt fmt, uint16_t w, uint16_t h)
bool	dmm_is_initialized (void)
	MODULE_LICENSE ("GPL v2")
	MODULE_AUTHOR ("Andy Gross <[email protected]>")
	MODULE_DESCRIPTION ("OMAP DMM/Tiler Driver")
	MODULE_ALIAS ("platform:"DMM_DRIVER_NAME)

Variables
struct platform_driver	omap_dmm_driver

Macro Definition Documentation

#define DMM_DRIVER_NAME   "dmm"

Definition at line 37 of file omap_dmm_tiler.c.

#define GEOM	(		xshift,
			yshift,
			bytes_per_pixel
	)

Value:

{ \
        .x_shft = (xshift), \
        .y_shft = (yshift), \
        .cpp    = (bytes_per_pixel), \
        .slot_w = 1 << (SLOT_WIDTH_BITS - (xshift)), \
        .slot_h = 1 << (SLOT_HEIGHT_BITS - (yshift)), \
    }

Definition at line 47 of file omap_dmm_tiler.c.

Function Documentation

bool dmm_is_initialized

(

void

)

Definition at line 508 of file omap_dmm_tiler.c.

MODULE_ALIAS

(

"platform:"

DMM_DRIVER_NAME

)

MODULE_AUTHOR

(

"Andy Gross <[email protected]>"

)

MODULE_DESCRIPTION

(

"OMAP DMM/Tiler Driver"

)

MODULE_LICENSE

(

"GPL v2"

)

void tiler_align	(	enum tiler_fmt	fmt,
		uint16_t *	w,
		uint16_t *	h
	)

Definition at line 479 of file omap_dmm_tiler.c.

int tiler_pin	(	struct tiler_block *	block,
		struct page **	pages,
		uint32_t	npages,
		uint32_t	roll,
		bool	wait
	)

Definition at line 309 of file omap_dmm_tiler.c.

int tiler_release

(

struct tiler_block *

block

)

Definition at line 388 of file omap_dmm_tiler.c.

struct tiler_block* tiler_reserve_1d ( size_t  size )

read

Definition at line 364 of file omap_dmm_tiler.c.

struct tiler_block* tiler_reserve_2d ( enum tiler_fmt  fmt, uint16_t  w, uint16_t  h, uint16_t  align  )

read

Definition at line 330 of file omap_dmm_tiler.c.

size_t tiler_size	(	enum tiler_fmt	fmt,
		uint16_t	w,
		uint16_t	h
	)

Definition at line 496 of file omap_dmm_tiler.c.

dma_addr_t tiler_ssptr

(

struct tiler_block *

block

)

Definition at line 459 of file omap_dmm_tiler.c.

uint32_t tiler_stride	(	enum tiler_fmt	fmt,
		uint32_t	orient
	)

Definition at line 486 of file omap_dmm_tiler.c.

dma_addr_t tiler_tsptr	(	struct tiler_block *	block,
		uint32_t	orient,
		uint32_t	x,
		uint32_t	y
	)

Definition at line 468 of file omap_dmm_tiler.c.

int tiler_unpin

(

struct tiler_block *

block

)

Definition at line 322 of file omap_dmm_tiler.c.

size_t tiler_vsize	(	enum tiler_fmt	fmt,
		uint16_t	w,
		uint16_t	h
	)

Definition at line 502 of file omap_dmm_tiler.c.

Variable Documentation

uint32_t cpp

Definition at line 58 of file omap_dmm_tiler.c.

struct platform_driver omap_dmm_driver

Initial value:

= {
    .probe = omap_dmm_probe,
    .remove = omap_dmm_remove,
    .driver = {
        .owner = THIS_MODULE,
        .name = DMM_DRIVER_NAME,
    },
}

Definition at line 900 of file omap_dmm_tiler.c.

uint32_t slot_h

Definition at line 60 of file omap_dmm_tiler.c.

uint32_t slot_w

Definition at line 59 of file omap_dmm_tiler.c.

uint32_t x_shft

Definition at line 56 of file omap_dmm_tiler.c.

uint32_t y_shft

Definition at line 57 of file omap_dmm_tiler.c.