drivers/gpu/drm/sti/sti_hqvdp.c

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/sti/sti_hqvdp.c

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/sti/sti_hqvdp.c
Extension
.c
Size
40579 bytes
Lines
1422
Domain
Driver Families
Bucket
drivers/gpu
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct sti_hqvdp_top {
	u32 config;
	u32 mem_format;
	u32 current_luma;
	u32 current_enh_luma;
	u32 current_right_luma;
	u32 current_enh_right_luma;
	u32 current_chroma;
	u32 current_enh_chroma;
	u32 current_right_chroma;
	u32 current_enh_right_chroma;
	u32 output_luma;
	u32 output_chroma;
	u32 luma_src_pitch;
	u32 luma_enh_src_pitch;
	u32 luma_right_src_pitch;
	u32 luma_enh_right_src_pitch;
	u32 chroma_src_pitch;
	u32 chroma_enh_src_pitch;
	u32 chroma_right_src_pitch;
	u32 chroma_enh_right_src_pitch;
	u32 luma_processed_pitch;
	u32 chroma_processed_pitch;
	u32 input_frame_size;
	u32 input_viewport_ori;
	u32 input_viewport_ori_right;
	u32 input_viewport_size;
	u32 left_view_border_width;
	u32 right_view_border_width;
	u32 left_view_3d_offset_width;
	u32 right_view_3d_offset_width;
	u32 side_stripe_color;
	u32 crc_reset_ctrl;
};

/* Configs for interlaced : no IT, no pass thru, 3 fields */
#define TOP_CONFIG_INTER_BTM            0x00000000
#define TOP_CONFIG_INTER_TOP            0x00000002

/* Config for progressive : no IT, no pass thru, 3 fields */
#define TOP_CONFIG_PROGRESSIVE          0x00000001

/* Default MemFormat: in=420_raster_dual out=444_raster;opaque Mem2Tv mode */
#define TOP_MEM_FORMAT_DFLT             0x00018060

/* Min/Max size */
#define MAX_WIDTH                       0x1FFF
#define MAX_HEIGHT                      0x0FFF
#define MIN_WIDTH                       0x0030
#define MIN_HEIGHT                      0x0010

struct sti_hqvdp_vc1re {
	u32 ctrl_prv_csdi;
	u32 ctrl_cur_csdi;
	u32 ctrl_nxt_csdi;
	u32 ctrl_cur_fmd;
	u32 ctrl_nxt_fmd;
};

struct sti_hqvdp_fmd {
	u32 config;
	u32 viewport_ori;
	u32 viewport_size;
	u32 next_next_luma;
	u32 next_next_right_luma;
	u32 next_next_next_luma;
	u32 next_next_next_right_luma;
	u32 threshold_scd;
	u32 threshold_rfd;
	u32 threshold_move;
	u32 threshold_cfd;
};

struct sti_hqvdp_csdi {
	u32 config;
	u32 config2;
	u32 dcdi_config;
	u32 prev_luma;
	u32 prev_enh_luma;
	u32 prev_right_luma;
	u32 prev_enh_right_luma;
	u32 next_luma;
	u32 next_enh_luma;
	u32 next_right_luma;
	u32 next_enh_right_luma;
	u32 prev_chroma;
	u32 prev_enh_chroma;
	u32 prev_right_chroma;
	u32 prev_enh_right_chroma;
	u32 next_chroma;

Annotation

Implementation Notes