drivers/hid/amd-sfh-hid/amd_sfh_hid.h
Source file repositories/reference/linux-study-clean/drivers/hid/amd-sfh-hid/amd_sfh_hid.h
File Facts
- System
- Linux kernel
- Corpus path
drivers/hid/amd-sfh-hid/amd_sfh_hid.h- Extension
.h- Size
- 2377 bytes
- Lines
- 82
- Domain
- Driver Families
- Bucket
- drivers/hid
- 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.
- Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.
Dependency Surface
- No C-style include directives detected by the generator.
Detected Declarations
struct request_liststruct amd_input_datastruct amdtp_cl_datastruct amdtp_hid_data
Annotated Snippet
struct request_list {
struct hid_device *hid;
struct list_head list;
u8 report_id;
u8 sensor_idx;
u8 report_type;
u8 current_index;
};
struct amd_input_data {
u32 *sensor_virt_addr[MAX_HID_DEVICES];
u8 *input_report[MAX_HID_DEVICES];
};
struct amdtp_cl_data {
u8 init_done;
u32 cur_hid_dev;
bool is_any_sensor_enabled;
u32 hid_dev_count;
u32 num_hid_devices;
struct device_info *hid_devices;
u8 *report_descr[MAX_HID_DEVICES];
int report_descr_sz[MAX_HID_DEVICES];
struct hid_device *hid_sensor_hubs[MAX_HID_DEVICES];
u8 *hid_descr[MAX_HID_DEVICES];
int hid_descr_size[MAX_HID_DEVICES];
phys_addr_t phys_addr_base;
dma_addr_t sensor_dma_addr[MAX_HID_DEVICES];
u32 sensor_sts[MAX_HID_DEVICES];
u32 sensor_requested_cnt[MAX_HID_DEVICES];
u8 report_type[MAX_HID_DEVICES];
u8 report_id[MAX_HID_DEVICES];
u8 sensor_idx[MAX_HID_DEVICES];
u8 *feature_report[MAX_HID_DEVICES];
u8 request_done[MAX_HID_DEVICES];
struct amd_input_data *in_data;
struct delayed_work work;
struct delayed_work work_buffer;
struct request_list req_list;
};
/**
* struct amdtp_hid_data - Per instance HID data
* @index: Device index in the order of enumeration
* @request_done: Get Feature/Input report complete flag
* used during get/set request from hid core
* @cli_data: Link to the client instance
* @hid_wait: Completion waitq
*
* Used to tie hid->driver data to driver client instance
*/
struct amdtp_hid_data {
int index;
struct amdtp_cl_data *cli_data;
wait_queue_head_t hid_wait;
};
/* Interface functions between HID LL driver and AMD SFH client */
int amdtp_hid_probe(u32 cur_hid_dev, struct amdtp_cl_data *cli_data);
void amdtp_hid_remove(struct amdtp_cl_data *cli_data);
int amd_sfh_get_report(struct hid_device *hid, int report_id, int report_type);
void amd_sfh_set_report(struct hid_device *hid, int report_id, int report_type);
void amdtp_hid_wakeup(struct hid_device *hid);
#endif
Annotation
- Detected declarations: `struct request_list`, `struct amd_input_data`, `struct amdtp_cl_data`, `struct amdtp_hid_data`.
- Atlas domain: Driver Families / drivers/hid.
- 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.