#include <linux/device.h>
#include <linux/err.h>
#include <linux/export.h>
#include <linux/genalloc.h>
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/slab.h>
#include <video/sh_mobile_meram.h>

Data Structures
struct	sh_mobile_meram_icb

struct	sh_mobile_meram_fb_plane

struct	sh_mobile_meram_fb_cache

struct	sh_mobile_meram_priv

Macros
#define	MEVCR1 0x4

#define	MEVCR1_RST (1 << 31)

#define	MEVCR1_WD (1 << 30)

#define	MEVCR1_AMD1 (1 << 29)

#define	MEVCR1_AMD0 (1 << 28)

#define	MEQSEL1 0x40

#define	MEQSEL2 0x44

#define	MExxCTL 0x400

#define	MExxCTL_BV (1 << 31)

#define	MExxCTL_BSZ_SHIFT 28

#define	MExxCTL_MSAR_MASK (0x7ff << MExxCTL_MSAR_SHIFT)

#define	MExxCTL_MSAR_SHIFT 16

#define	MExxCTL_NXT_MASK (0x1f << MExxCTL_NXT_SHIFT)

#define	MExxCTL_NXT_SHIFT 11

#define	MExxCTL_WD1 (1 << 10)

#define	MExxCTL_WD0 (1 << 9)

#define	MExxCTL_WS (1 << 8)

#define	MExxCTL_CB (1 << 7)

#define	MExxCTL_WBF (1 << 6)

#define	MExxCTL_WF (1 << 5)

#define	MExxCTL_RF (1 << 4)

#define	MExxCTL_CM (1 << 3)

#define	MExxCTL_MD_READ (1 << 0)

#define	MExxCTL_MD_WRITE (2 << 0)

#define	MExxCTL_MD_ICB_WB (3 << 0)

#define	MExxCTL_MD_ICB (4 << 0)

#define	MExxCTL_MD_FB (7 << 0)

#define	MExxCTL_MD_MASK (7 << 0)

#define	MExxBSIZE 0x404

#define	MExxBSIZE_RCNT_SHIFT 28

#define	MExxBSIZE_YSZM1_SHIFT 16

#define	MExxBSIZE_XSZM1_SHIFT 0

#define	MExxMNCF 0x408

#define	MExxMNCF_KWBNM_SHIFT 28

#define	MExxMNCF_KRBNM_SHIFT 24

#define	MExxMNCF_BNM_SHIFT 16

#define	MExxMNCF_XBV (1 << 15)

#define	MExxMNCF_CPL_YCBCR444 (1 << 12)

#define	MExxMNCF_CPL_YCBCR420 (2 << 12)

#define	MExxMNCF_CPL_YCBCR422 (3 << 12)

#define	MExxMNCF_CPL_MSK (3 << 12)

#define	MExxMNCF_BL (1 << 2)

#define	MExxMNCF_LNM_SHIFT 0

#define	MExxSARA 0x410

#define	MExxSARB 0x414

#define	MExxSBSIZE 0x418

#define	MExxSBSIZE_HDV (1 << 31)

#define	MExxSBSIZE_HSZ16 (0 << 28)

#define	MExxSBSIZE_HSZ32 (1 << 28)

#define	MExxSBSIZE_HSZ64 (2 << 28)

#define	MExxSBSIZE_HSZ128 (3 << 28)

#define	MExxSBSIZE_SBSIZZ_SHIFT 0

#define	MERAM_MExxCTL_VAL(next, addr)

#define	MERAM_MExxBSIZE_VAL(rcnt, yszm1, xszm1)

#define	MERAM_REGS_SIZE ARRAY_SIZE(common_regs)

#define	ICB_REGS_SIZE ARRAY_SIZE(icb_regs)

#define	MERAM_ICB_NUM 32

#define	MERAM_GRANULARITY 1024

#define	MERAM_SEC_LINE 15

#define	MERAM_LINE_WIDTH 2048

#define	MERAM_ICB_OFFSET(base, idx, off) ((base) + (off) + (idx) * 0x20)

#define	MERAM_CALC_BYTECOUNT(x, y) (((x) * (y) + (MERAM_LINE_WIDTH - 1)) & ~(MERAM_LINE_WIDTH - 1))

Functions
unsigned long	sh_mobile_meram_alloc (struct sh_mobile_meram_info *pdata, size_t size)

	EXPORT_SYMBOL_GPL (sh_mobile_meram_alloc)

void	sh_mobile_meram_free (struct sh_mobile_meram_info *pdata, unsigned long mem, size_t size)

	EXPORT_SYMBOL_GPL (sh_mobile_meram_free)

void *	sh_mobile_meram_cache_alloc (struct sh_mobile_meram_info pdata, const struct sh_mobile_meram_cfg cfg, unsigned int xres, unsigned int yres, unsigned int pixelformat, unsigned int *pitch)

	EXPORT_SYMBOL_GPL (sh_mobile_meram_cache_alloc)

void	sh_mobile_meram_cache_free (struct sh_mobile_meram_info pdata, void data)

	EXPORT_SYMBOL_GPL (sh_mobile_meram_cache_free)

void	sh_mobile_meram_cache_update (struct sh_mobile_meram_info pdata, void data, unsigned long base_addr_y, unsigned long base_addr_c, unsigned long icb_addr_y, unsigned long icb_addr_c)

	EXPORT_SYMBOL_GPL (sh_mobile_meram_cache_update)

	module_platform_driver (sh_mobile_meram_driver)

	MODULE_DESCRIPTION ("SuperH Mobile MERAM driver")

	MODULE_AUTHOR ("Damian Hobson-Garcia / Takanari Hayama")

	MODULE_LICENSE ("GPL v2")

Macro Definition Documentation

#define ICB_REGS_SIZE ARRAY_SIZE(icb_regs)

Definition at line 106 of file sh_mobile_meram.c.

#define MEQSEL1 0x40

Definition at line 34 of file sh_mobile_meram.c.

#define MEQSEL2 0x44

Definition at line 35 of file sh_mobile_meram.c.

#define MERAM_CALC_BYTECOUNT	(	x,
		y
	)	(((x) * (y) + (MERAM_LINE_WIDTH - 1)) & ~(MERAM_LINE_WIDTH - 1))

Definition at line 314 of file sh_mobile_meram.c.

#define MERAM_GRANULARITY 1024

Definition at line 164 of file sh_mobile_meram.c.

#define MERAM_ICB_NUM 32

Definition at line 129 of file sh_mobile_meram.c.

#define MERAM_ICB_OFFSET	(	base,
		idx,
		off
	)	((base) + (off) + (idx) * 0x20)

Definition at line 172 of file sh_mobile_meram.c.

#define MERAM_LINE_WIDTH 2048

Definition at line 166 of file sh_mobile_meram.c.

#define MERAM_MExxBSIZE_VAL	(	rcnt,
		yszm1,
		xszm1
	)

Value:

(((rcnt) << MExxBSIZE_RCNT_SHIFT) | \
     ((yszm1) << MExxBSIZE_YSZM1_SHIFT) | \
     ((xszm1) << MExxBSIZE_XSZM1_SHIFT))

Definition at line 86 of file sh_mobile_meram.c.

#define MERAM_MExxCTL_VAL	(	next,
		addr
	)

Value:

((((next) << MExxCTL_NXT_SHIFT) & MExxCTL_NXT_MASK) | \

(((addr) << MExxCTL_MSAR_SHIFT) & MExxCTL_MSAR_MASK))

Definition at line 83 of file sh_mobile_meram.c.

#define MERAM_REGS_SIZE ARRAY_SIZE(common_regs)

Definition at line 96 of file sh_mobile_meram.c.

#define MERAM_SEC_LINE 15

Definition at line 165 of file sh_mobile_meram.c.

#define MEVCR1 0x4

Definition at line 29 of file sh_mobile_meram.c.

#define MEVCR1_AMD0 (1 << 28)

Definition at line 33 of file sh_mobile_meram.c.

#define MEVCR1_AMD1 (1 << 29)

Definition at line 32 of file sh_mobile_meram.c.

#define MEVCR1_RST (1 << 31)

Definition at line 30 of file sh_mobile_meram.c.

#define MEVCR1_WD (1 << 30)

Definition at line 31 of file sh_mobile_meram.c.

#define MExxBSIZE 0x404

Definition at line 58 of file sh_mobile_meram.c.

#define MExxBSIZE_RCNT_SHIFT 28

Definition at line 59 of file sh_mobile_meram.c.

#define MExxBSIZE_XSZM1_SHIFT 0

Definition at line 61 of file sh_mobile_meram.c.

#define MExxBSIZE_YSZM1_SHIFT 16

Definition at line 60 of file sh_mobile_meram.c.

#define MExxCTL 0x400

Definition at line 37 of file sh_mobile_meram.c.

#define MExxCTL_BSZ_SHIFT 28

Definition at line 39 of file sh_mobile_meram.c.

#define MExxCTL_BV (1 << 31)

Definition at line 38 of file sh_mobile_meram.c.

#define MExxCTL_CB (1 << 7)

Definition at line 47 of file sh_mobile_meram.c.

#define MExxCTL_CM (1 << 3)

Definition at line 51 of file sh_mobile_meram.c.

#define MExxCTL_MD_FB (7 << 0)

Definition at line 56 of file sh_mobile_meram.c.

#define MExxCTL_MD_ICB (4 << 0)

Definition at line 55 of file sh_mobile_meram.c.

#define MExxCTL_MD_ICB_WB (3 << 0)

Definition at line 54 of file sh_mobile_meram.c.

#define MExxCTL_MD_MASK (7 << 0)

Definition at line 57 of file sh_mobile_meram.c.

#define MExxCTL_MD_READ (1 << 0)

Definition at line 52 of file sh_mobile_meram.c.

#define MExxCTL_MD_WRITE (2 << 0)

Definition at line 53 of file sh_mobile_meram.c.

#define MExxCTL_MSAR_MASK (0x7ff << MExxCTL_MSAR_SHIFT)

Definition at line 40 of file sh_mobile_meram.c.

#define MExxCTL_MSAR_SHIFT 16

Definition at line 41 of file sh_mobile_meram.c.

#define MExxCTL_NXT_MASK (0x1f << MExxCTL_NXT_SHIFT)

Definition at line 42 of file sh_mobile_meram.c.

#define MExxCTL_NXT_SHIFT 11

Definition at line 43 of file sh_mobile_meram.c.

#define MExxCTL_RF (1 << 4)

Definition at line 50 of file sh_mobile_meram.c.

#define MExxCTL_WBF (1 << 6)

Definition at line 48 of file sh_mobile_meram.c.

#define MExxCTL_WD0 (1 << 9)

Definition at line 45 of file sh_mobile_meram.c.

#define MExxCTL_WD1 (1 << 10)

Definition at line 44 of file sh_mobile_meram.c.

#define MExxCTL_WF (1 << 5)

Definition at line 49 of file sh_mobile_meram.c.

#define MExxCTL_WS (1 << 8)

Definition at line 46 of file sh_mobile_meram.c.

#define MExxMNCF 0x408

Definition at line 62 of file sh_mobile_meram.c.

#define MExxMNCF_BL (1 << 2)

Definition at line 71 of file sh_mobile_meram.c.

#define MExxMNCF_BNM_SHIFT 16

Definition at line 65 of file sh_mobile_meram.c.

#define MExxMNCF_CPL_MSK (3 << 12)

Definition at line 70 of file sh_mobile_meram.c.

#define MExxMNCF_CPL_YCBCR420 (2 << 12)

Definition at line 68 of file sh_mobile_meram.c.

#define MExxMNCF_CPL_YCBCR422 (3 << 12)

Definition at line 69 of file sh_mobile_meram.c.

#define MExxMNCF_CPL_YCBCR444 (1 << 12)

Definition at line 67 of file sh_mobile_meram.c.

#define MExxMNCF_KRBNM_SHIFT 24

Definition at line 64 of file sh_mobile_meram.c.

#define MExxMNCF_KWBNM_SHIFT 28

Definition at line 63 of file sh_mobile_meram.c.

#define MExxMNCF_LNM_SHIFT 0

Definition at line 72 of file sh_mobile_meram.c.

#define MExxMNCF_XBV (1 << 15)

Definition at line 66 of file sh_mobile_meram.c.

#define MExxSARA 0x410

Definition at line 73 of file sh_mobile_meram.c.

#define MExxSARB 0x414

Definition at line 74 of file sh_mobile_meram.c.

#define MExxSBSIZE 0x418

Definition at line 75 of file sh_mobile_meram.c.

#define MExxSBSIZE_HDV (1 << 31)

Definition at line 76 of file sh_mobile_meram.c.

#define MExxSBSIZE_HSZ128 (3 << 28)

Definition at line 80 of file sh_mobile_meram.c.

#define MExxSBSIZE_HSZ16 (0 << 28)

Definition at line 77 of file sh_mobile_meram.c.

#define MExxSBSIZE_HSZ32 (1 << 28)

Definition at line 78 of file sh_mobile_meram.c.

#define MExxSBSIZE_HSZ64 (2 << 28)

Definition at line 79 of file sh_mobile_meram.c.

#define MExxSBSIZE_SBSIZZ_SHIFT 0

Definition at line 81 of file sh_mobile_meram.c.

Function Documentation

EXPORT_SYMBOL_GPL ( sh_mobile_meram_alloc )

EXPORT_SYMBOL_GPL ( sh_mobile_meram_free )

EXPORT_SYMBOL_GPL ( sh_mobile_meram_cache_alloc )

EXPORT_SYMBOL_GPL ( sh_mobile_meram_cache_free )

EXPORT_SYMBOL_GPL ( sh_mobile_meram_cache_update )

MODULE_AUTHOR ( "Damian Hobson-Garcia / Takanari Hayama" )

MODULE_DESCRIPTION ( "SuperH Mobile MERAM driver" )

MODULE_LICENSE ( "GPL v2" )

module_platform_driver ( sh_mobile_meram_driver )

unsigned long sh_mobile_meram_alloc	(	struct sh_mobile_meram_info *	pdata,
		size_t	size
	)

Definition at line 407 of file sh_mobile_meram.c.

void* sh_mobile_meram_cache_alloc	(	struct sh_mobile_meram_info *	pdata,
		const struct sh_mobile_meram_cfg *	cfg,
		unsigned int	xres,
		unsigned int	yres,
		unsigned int	pixelformat,
		unsigned int *	pitch
	)

Definition at line 466 of file sh_mobile_meram.c.

void sh_mobile_meram_cache_free	(	struct sh_mobile_meram_info *	pdata,
		void *	data
	)

Definition at line 527 of file sh_mobile_meram.c.

void sh_mobile_meram_cache_update	(	struct sh_mobile_meram_info *	pdata,
		void *	data,
		unsigned long	base_addr_y,
		unsigned long	base_addr_c,
		unsigned long *	icb_addr_y,
		unsigned long *	icb_addr_c
	)

Definition at line 550 of file sh_mobile_meram.c.

void sh_mobile_meram_free	(	struct sh_mobile_meram_info *	pdata,
		unsigned long	mem,
		size_t	size
	)

Definition at line 416 of file sh_mobile_meram.c.

Data Structures

Macros

Functions

Macro Definition Documentation

Function Documentation