include/video/gbe.h

Source file repositories/reference/linux-study-clean/include/video/gbe.h

File Facts

System
Linux kernel
Corpus path
include/video/gbe.h
Extension
.h
Size
10694 bytes
Lines
316
Domain
Repository Root And Misc
Bucket
include
Inferred role
Repository Root And Misc: implementation source
Status
source implementation candidate

Why This File Exists

Top-level or miscellaneous repository surface. Use this as map coverage unless a later manual pass promotes the file into a deeper subsystem dossier.

Dependency Surface

Detected Declarations

Annotated Snippet

struct sgi_gbe {
	volatile uint32_t ctrlstat;	/* general control */
	volatile uint32_t dotclock;	/* dot clock PLL control */
	volatile uint32_t i2c;		/* crt I2C control */
	volatile uint32_t sysclk;	/* system clock PLL control */
	volatile uint32_t i2cfp;	/* flat panel I2C control */
	volatile uint32_t id;		/* device id/chip revision */
	volatile uint32_t config;       /* power on configuration [1] */
	volatile uint32_t bist;         /* internal bist status [1] */
	uint32_t _pad0[0x010000/4 - 8];
	volatile uint32_t vt_xy;	/* current dot coords */
	volatile uint32_t vt_xymax;	/* maximum dot coords */
	volatile uint32_t vt_vsync;	/* vsync on/off */
	volatile uint32_t vt_hsync;	/* hsync on/off */
	volatile uint32_t vt_vblank;	/* vblank on/off */
	volatile uint32_t vt_hblank;	/* hblank on/off */
	volatile uint32_t vt_flags;	/* polarity of vt signals */
	volatile uint32_t vt_f2rf_lock;	/* f2rf & framelck y coord */
	volatile uint32_t vt_intr01;	/* intr 0,1 y coords */
	volatile uint32_t vt_intr23;	/* intr 2,3 y coords */
	volatile uint32_t fp_hdrv;	/* flat panel hdrv on/off */
	volatile uint32_t fp_vdrv;	/* flat panel vdrv on/off */
	volatile uint32_t fp_de;	/* flat panel de on/off */
	volatile uint32_t vt_hpixen;	/* intrnl horiz pixel on/off */
	volatile uint32_t vt_vpixen;	/* intrnl vert pixel on/off */
	volatile uint32_t vt_hcmap;	/* cmap write (horiz) */
	volatile uint32_t vt_vcmap;	/* cmap write (vert) */
	volatile uint32_t did_start_xy;	/* eol/f did/xy reset val */
	volatile uint32_t crs_start_xy;	/* eol/f crs/xy reset val */
	volatile uint32_t vc_start_xy;	/* eol/f vc/xy reset val */
	uint32_t _pad1[0xffb0/4];
	volatile uint32_t ovr_width_tile;/*overlay plane ctrl 0 */
	volatile uint32_t ovr_inhwctrl;	/* overlay plane ctrl 1 */
	volatile uint32_t ovr_control;	/* overlay plane ctrl 1 */
	uint32_t _pad2[0xfff4/4];
	volatile uint32_t frm_size_tile;/* normal plane ctrl 0 */
	volatile uint32_t frm_size_pixel;/*normal plane ctrl 1 */
	volatile uint32_t frm_inhwctrl;	/* normal plane ctrl 2 */
	volatile uint32_t frm_control;	/* normal plane ctrl 3 */
	uint32_t _pad3[0xfff0/4];
	volatile uint32_t did_inhwctrl;	/* DID control */
	volatile uint32_t did_control;	/* DID shadow */
	uint32_t _pad4[0x7ff8/4];
	volatile uint32_t mode_regs[32];/* WID table */
	uint32_t _pad5[0x7f80/4];
	volatile uint32_t cmap[6144];	/* color map */
	uint32_t _pad6[0x2000/4];
	volatile uint32_t cm_fifo;	/* color map fifo status */
	uint32_t _pad7[0x7ffc/4];
	volatile uint32_t gmap[256];	/* gamma map */
	uint32_t _pad8[0x7c00/4];
	volatile uint32_t gmap10[1024];	/* gamma map */
	uint32_t _pad9[0x7000/4];
	volatile uint32_t crs_pos;	/* cusror control 0 */
	volatile uint32_t crs_ctl;	/* cusror control 1 */
	volatile uint32_t crs_cmap[3];	/* crs cmap */
	uint32_t _pad10[0x7fec/4];
	volatile uint32_t crs_glyph[64];/* crs glyph */
	uint32_t _pad11[0x7f00/4];
	volatile uint32_t vc_0;	/* video capture crtl 0 */
	volatile uint32_t vc_1;	/* video capture crtl 1 */
	volatile uint32_t vc_2;	/* video capture crtl 2 */
	volatile uint32_t vc_3;	/* video capture crtl 3 */
	volatile uint32_t vc_4;	/* video capture crtl 4 */
	volatile uint32_t vc_5;	/* video capture crtl 5 */
	volatile uint32_t vc_6;	/* video capture crtl 6 */
	volatile uint32_t vc_7;	/* video capture crtl 7 */
	volatile uint32_t vc_8;	/* video capture crtl 8 */
};

#define MASK(msb, lsb)		\
	( (((u32)1<<((msb)-(lsb)+1))-1) << (lsb) )
#define GET(v, msb, lsb)	\
	( ((u32)(v) & MASK(msb,lsb)) >> (lsb) )
#define SET(v, f, msb, lsb)	\
	( (v) = ((v)&~MASK(msb,lsb)) | (( (u32)(f)<<(lsb) ) & MASK(msb,lsb)) )

#define GET_GBE_FIELD(reg, field, v)		\
	GET((v), GBE_##reg##_##field##_MSB, GBE_##reg##_##field##_LSB)
#define SET_GBE_FIELD(reg, field, v, f)		\
	SET((v), (f), GBE_##reg##_##field##_MSB, GBE_##reg##_##field##_LSB)

/*
 * Bit mask information
 */
#define GBE_CTRLSTAT_CHIPID_MSB		 3
#define GBE_CTRLSTAT_CHIPID_LSB		 0
#define GBE_CTRLSTAT_SENSE_N_MSB	 4
#define GBE_CTRLSTAT_SENSE_N_LSB	 4
#define GBE_CTRLSTAT_PCLKSEL_MSB	29

Annotation

Implementation Notes