drivers/gpu/drm/nouveau/dispnv04/disp.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/nouveau/dispnv04/disp.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/nouveau/dispnv04/disp.h
Extension
.h
Size
4534 bytes
Lines
187
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 nv04_crtc_reg {
	unsigned char MiscOutReg;
	uint8_t CRTC[0xa0];
	uint8_t CR58[0x10];
	uint8_t Sequencer[5];
	uint8_t Graphics[9];
	uint8_t Attribute[21];
	unsigned char DAC[768];

	/* PCRTC regs */
	uint32_t fb_start;
	uint32_t crtc_cfg;
	uint32_t cursor_cfg;
	uint32_t gpio_ext;
	uint32_t crtc_830;
	uint32_t crtc_834;
	uint32_t crtc_850;
	uint32_t crtc_eng_ctrl;

	/* PRAMDAC regs */
	uint32_t nv10_cursync;
	struct nvkm_pll_vals pllvals;
	uint32_t ramdac_gen_ctrl;
	uint32_t ramdac_630;
	uint32_t ramdac_634;
	uint32_t tv_setup;
	uint32_t tv_vtotal;
	uint32_t tv_vskew;
	uint32_t tv_vsync_delay;
	uint32_t tv_htotal;
	uint32_t tv_hskew;
	uint32_t tv_hsync_delay;
	uint32_t tv_hsync_delay2;
	uint32_t fp_horiz_regs[7];
	uint32_t fp_vert_regs[7];
	uint32_t dither;
	uint32_t fp_control;
	uint32_t dither_regs[6];
	uint32_t fp_debug_0;
	uint32_t fp_debug_1;
	uint32_t fp_debug_2;
	uint32_t fp_margin_color;
	uint32_t ramdac_8c0;
	uint32_t ramdac_a20;
	uint32_t ramdac_a24;
	uint32_t ramdac_a34;
	uint32_t ctv_regs[38];
};

struct nv04_output_reg {
	uint32_t output;
	int head;
};

struct nv04_mode_state {
	struct nv04_crtc_reg crtc_reg[2];
	uint32_t pllsel;
	uint32_t sel_clk;
};

struct nv04_display {
	struct nv04_mode_state mode_reg;
	struct nv04_mode_state saved_reg;
	uint32_t saved_vga_font[4][16384];
	uint32_t dac_users[4];
	struct nouveau_bo *image[2];
	struct nvif_event flip;
	struct nouveau_drm *drm;
};

static inline struct nv04_display *
nv04_display(struct drm_device *dev)
{
	return nouveau_display(dev)->priv;
}

/* nv04_display.c */
int nv04_display_create(struct drm_device *);
struct nouveau_connector *
nv04_encoder_get_connector(struct nouveau_encoder *nv_encoder);

/* nv04_crtc.c */
int nv04_crtc_create(struct drm_device *, int index);

/* nv04_dac.c */
int nv04_dac_create(struct drm_connector *, struct dcb_output *);
uint32_t nv17_dac_sample_load(struct drm_encoder *encoder);
int nv04_dac_output_offset(struct drm_encoder *encoder);
void nv04_dac_update_dacclk(struct drm_encoder *encoder, bool enable);
bool nv04_dac_in_use(struct drm_encoder *encoder);

Annotation

Implementation Notes