drivers/gpu/drm/exynos/exynos_drm_fimd.c

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/exynos/exynos_drm_fimd.c

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/exynos/exynos_drm_fimd.c
Extension
.c
Size
34994 bytes
Lines
1346
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 fimd_driver_data {
	unsigned int timing_base;
	unsigned int lcdblk_offset;
	unsigned int lcdblk_vt_shift;
	unsigned int lcdblk_bypass_shift;
	unsigned int lcdblk_mic_bypass_shift;
	unsigned int trg_type;

	unsigned int has_shadowcon:1;
	unsigned int has_clksel:1;
	unsigned int has_limited_fmt:1;
	unsigned int has_vidoutcon:1;
	unsigned int has_vtsel:1;
	unsigned int has_mic_bypass:1;
	unsigned int has_dp_clk:1;
	unsigned int has_hw_trigger:1;
	unsigned int has_trigger_per_te:1;
	unsigned int has_bgr_support:1;
};

static struct fimd_driver_data s3c64xx_fimd_driver_data = {
	.timing_base = 0x0,
	.has_clksel = 1,
	.has_limited_fmt = 1,
};

static struct fimd_driver_data s5pv210_fimd_driver_data = {
	.timing_base = 0x0,
	.has_shadowcon = 1,
	.has_clksel = 1,
};

static struct fimd_driver_data exynos3_fimd_driver_data = {
	.timing_base = 0x20000,
	.lcdblk_offset = 0x210,
	.lcdblk_bypass_shift = 1,
	.has_shadowcon = 1,
	.has_vidoutcon = 1,
};

static struct fimd_driver_data exynos4_fimd_driver_data = {
	.timing_base = 0x0,
	.lcdblk_offset = 0x210,
	.lcdblk_vt_shift = 10,
	.lcdblk_bypass_shift = 1,
	.has_shadowcon = 1,
	.has_vtsel = 1,
	.has_bgr_support = 1,
};

static struct fimd_driver_data exynos5_fimd_driver_data = {
	.timing_base = 0x20000,
	.lcdblk_offset = 0x214,
	.lcdblk_vt_shift = 24,
	.lcdblk_bypass_shift = 15,
	.has_shadowcon = 1,
	.has_vidoutcon = 1,
	.has_vtsel = 1,
	.has_dp_clk = 1,
	.has_bgr_support = 1,
};

static struct fimd_driver_data exynos5420_fimd_driver_data = {
	.timing_base = 0x20000,
	.lcdblk_offset = 0x214,
	.lcdblk_vt_shift = 24,
	.lcdblk_bypass_shift = 15,
	.lcdblk_mic_bypass_shift = 11,
	.has_shadowcon = 1,
	.has_vidoutcon = 1,
	.has_vtsel = 1,
	.has_mic_bypass = 1,
	.has_dp_clk = 1,
	.has_bgr_support = 1,
};

struct fimd_context {
	struct device			*dev;
	struct drm_device		*drm_dev;
	void				*dma_priv;
	struct exynos_drm_crtc		*crtc;
	struct exynos_drm_plane		planes[WINDOWS_NR];
	struct exynos_drm_plane_config	configs[WINDOWS_NR];
	struct clk			*bus_clk;
	struct clk			*lcd_clk;
	void __iomem			*regs;
	struct regmap			*sysreg;
	unsigned long			irq_flags;
	u32				vidcon0;
	u32				vidcon1;

Annotation

Implementation Notes