drivers/gpu/drm/amd/display/dc/gpio/dcn20/hw_factory_dcn20.c

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/amd/display/dc/gpio/dcn20/hw_factory_dcn20.c

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/display/dc/gpio/dcn20/hw_factory_dcn20.c
Extension
.c
Size
6740 bytes
Lines
262
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

#include "dm_services.h"
#include "include/gpio_types.h"
#include "../hw_factory.h"


#include "../hw_gpio.h"
#include "../hw_ddc.h"
#include "../hw_hpd.h"
#include "../hw_generic.h"

#include "hw_factory_dcn20.h"


#include "dcn/dcn_2_0_0_offset.h"
#include "dcn/dcn_2_0_0_sh_mask.h"
#include "navi10_ip_offset.h"


#include "reg_helper.h"
#include "../hpd_regs.h"
/* begin *********************
 * macros to expend register list macro defined in HW object header file */

/* DCN */
#define block HPD
#define reg_num 0

#undef BASE_INNER
#define BASE_INNER(seg) DCN_BASE__INST0_SEG ## seg

#define BASE(seg) BASE_INNER(seg)



#define REG(reg_name)\
		BASE(mm ## reg_name ## _BASE_IDX) + mm ## reg_name

#define SF_HPD(reg_name, field_name, post_fix)\
	.field_name = HPD0_ ## reg_name ## __ ## field_name ## post_fix

#define REGI(reg_name, block, id)\
	BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
				mm ## block ## id ## _ ## reg_name

#define SF(reg_name, field_name, post_fix)\
	.field_name = reg_name ## __ ## field_name ## post_fix

/* macros to expend register list macro defined in HW object header file
 * end *********************/



#define hpd_regs(id) \
{\
	HPD_REG_LIST(id)\
}

static const struct hpd_registers hpd_regs[] = {
	hpd_regs(0),
	hpd_regs(1),
	hpd_regs(2),
	hpd_regs(3),
	hpd_regs(4),
	hpd_regs(5),
};

static const struct hpd_sh_mask hpd_shift = {
		HPD_MASK_SH_LIST(__SHIFT)
};

static const struct hpd_sh_mask hpd_mask = {
		HPD_MASK_SH_LIST(_MASK)
};

#include "../ddc_regs.h"

 /* set field name */
#define SF_DDC(reg_name, field_name, post_fix)\
	.field_name = reg_name ## __ ## field_name ## post_fix

static const struct ddc_registers ddc_data_regs_dcn[] = {
	ddc_data_regs_dcn2(1),
	ddc_data_regs_dcn2(2),
	ddc_data_regs_dcn2(3),
	ddc_data_regs_dcn2(4),
	ddc_data_regs_dcn2(5),
	ddc_data_regs_dcn2(6),
	{
			DDC_GPIO_VGA_REG_LIST(DATA),
			.ddc_setup = 0,

Annotation

Implementation Notes