drivers/soc/qcom/qcom_gsbi.c

Source file repositories/reference/linux-study-clean/drivers/soc/qcom/qcom_gsbi.c

File Facts

System: Linux kernel
Corpus path: drivers/soc/qcom/qcom_gsbi.c
Extension: .c
Size: 5858 bytes
Lines: 235
Domain: Driver Families
Bucket: drivers/soc
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.

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.
Allocates kernel memory; connect allocation flags and lifetime to context constraints.
Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

linux/clk.h
linux/err.h
linux/io.h
linux/module.h
linux/of.h
linux/of_platform.h
linux/platform_device.h
linux/regmap.h
linux/mfd/syscon.h
dt-bindings/soc/qcom,gsbi.h

Detected Declarations

struct crci_config
struct gsbi_info
function gsbi_probe

Annotated Snippet

struct crci_config {
	u32 num_rows;
	const u32 (*array)[MAX_GSBI];
};

static const u32 crci_ipq8064[][MAX_GSBI] = {
	{
		0x000003, 0x00000c, 0x000030, 0x0000c0,
		0x000300, 0x000c00, 0x003000, 0x00c000,
		0x030000, 0x0c0000, 0x300000, 0xc00000
	},
	{
		0x000003, 0x00000c, 0x000030, 0x0000c0,
		0x000300, 0x000c00, 0x003000, 0x00c000,
		0x030000, 0x0c0000, 0x300000, 0xc00000
	},
};

static const struct crci_config config_ipq8064 = {
	.num_rows = ARRAY_SIZE(crci_ipq8064),
	.array = crci_ipq8064,
};

static const unsigned int crci_apq8064[][MAX_GSBI] = {
	{
		0x001800, 0x006000, 0x000030, 0x0000c0,
		0x000300, 0x000400, 0x000000, 0x000000,
		0x000000, 0x000000, 0x000000, 0x000000
	},
	{
		0x000000, 0x000000, 0x000000, 0x000000,
		0x000000, 0x000020, 0x0000c0, 0x000000,
		0x000000, 0x000000, 0x000000, 0x000000
	},
};

static const struct crci_config config_apq8064 = {
	.num_rows = ARRAY_SIZE(crci_apq8064),
	.array = crci_apq8064,
};

static const unsigned int crci_msm8960[][MAX_GSBI] = {
	{
		0x000003, 0x00000c, 0x000030, 0x0000c0,
		0x000300, 0x000400, 0x000000, 0x000000,
		0x000000, 0x000000, 0x000000, 0x000000
	},
	{
		0x000000, 0x000000, 0x000000, 0x000000,
		0x000000, 0x000020, 0x0000c0, 0x000300,
		0x001800, 0x006000, 0x000000, 0x000000
	},
};

static const struct crci_config config_msm8960 = {
	.num_rows = ARRAY_SIZE(crci_msm8960),
	.array = crci_msm8960,
};

static const unsigned int crci_msm8660[][MAX_GSBI] = {
	{	/* ADM 0 - B */
		0x000003, 0x00000c, 0x000030, 0x0000c0,
		0x000300, 0x000c00, 0x003000, 0x00c000,
		0x030000, 0x0c0000, 0x300000, 0xc00000
	},
	{	/* ADM 0 - B */
		0x000003, 0x00000c, 0x000030, 0x0000c0,
		0x000300, 0x000c00, 0x003000, 0x00c000,
		0x030000, 0x0c0000, 0x300000, 0xc00000
	},
	{	/* ADM 1 - A */
		0x000003, 0x00000c, 0x000030, 0x0000c0,
		0x000300, 0x000c00, 0x003000, 0x00c000,
		0x030000, 0x0c0000, 0x300000, 0xc00000
	},
	{	/* ADM 1 - B */
		0x000003, 0x00000c, 0x000030, 0x0000c0,
		0x000300, 0x000c00, 0x003000, 0x00c000,
		0x030000, 0x0c0000, 0x300000, 0xc00000
	},
};

static const struct crci_config config_msm8660 = {
	.num_rows = ARRAY_SIZE(crci_msm8660),
	.array = crci_msm8660,
};

struct gsbi_info {
	struct clk *hclk;
	u32 mode;

Annotation

Immediate include surface: `linux/clk.h`, `linux/err.h`, `linux/io.h`, `linux/module.h`, `linux/of.h`, `linux/of_platform.h`, `linux/platform_device.h`, `linux/regmap.h`.
Detected declarations: `struct crci_config`, `struct gsbi_info`, `function gsbi_probe`.
Atlas domain: Driver Families / drivers/soc.
Implementation status: source implementation candidate.

Implementation Notes

This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.