include/linux/usb/usb338x.h

Source file repositories/reference/linux-study-clean/include/linux/usb/usb338x.h

File Facts

System
Linux kernel
Corpus path
include/linux/usb/usb338x.h
Extension
.h
Size
7470 bytes
Lines
209
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

struct usb338x_usb_ext_regs {
	u32     usbclass;
#define     DEVICE_PROTOCOL                     16
#define     DEVICE_SUB_CLASS                     8
#define     DEVICE_CLASS                         0
	u32     ss_sel;
#define     U2_SYSTEM_EXIT_LATENCY               8
#define     U1_SYSTEM_EXIT_LATENCY               0
	u32     ss_del;
#define     U2_DEVICE_EXIT_LATENCY               8
#define     U1_DEVICE_EXIT_LATENCY               0
	u32     usb2lpm;
#define     USB_L1_LPM_HIRD                      2
#define     USB_L1_LPM_REMOTE_WAKE               1
#define     USB_L1_LPM_SUPPORT                   0
	u32     usb3belt;
#define     BELT_MULTIPLIER                     10
#define     BEST_EFFORT_LATENCY_TOLERANCE        0
	u32     usbctl2;
#define     LTM_ENABLE                           7
#define     U2_ENABLE                            6
#define     U1_ENABLE                            5
#define     FUNCTION_SUSPEND                     4
#define     USB3_CORE_ENABLE                     3
#define     USB2_CORE_ENABLE                     2
#define     SERIAL_NUMBER_STRING_ENABLE          0
	u32     in_timeout;
#define     GPEP3_TIMEOUT                       19
#define     GPEP2_TIMEOUT                       18
#define     GPEP1_TIMEOUT                       17
#define     GPEP0_TIMEOUT                       16
#define     GPEP3_TIMEOUT_VALUE                 13
#define     GPEP3_TIMEOUT_ENABLE                12
#define     GPEP2_TIMEOUT_VALUE                  9
#define     GPEP2_TIMEOUT_ENABLE                 8
#define     GPEP1_TIMEOUT_VALUE                  5
#define     GPEP1_TIMEOUT_ENABLE                 4
#define     GPEP0_TIMEOUT_VALUE                  1
#define     GPEP0_TIMEOUT_ENABLE                 0
	u32     isodelay;
#define     ISOCHRONOUS_DELAY                    0
} __packed;

struct usb338x_fifo_regs {
	/* offset 0x0500, 0x0520, 0x0540, 0x0560, 0x0580 */
	u32     ep_fifo_size_base;
#define     IN_FIFO_BASE_ADDRESS                                22
#define     IN_FIFO_SIZE                                        16
#define     OUT_FIFO_BASE_ADDRESS                               6
#define     OUT_FIFO_SIZE                                       0
	u32     ep_fifo_out_wrptr;
	u32     ep_fifo_out_rdptr;
	u32     ep_fifo_in_wrptr;
	u32     ep_fifo_in_rdptr;
	u32     unused[3];
} __packed;


/* Link layer */
struct usb338x_ll_regs {
	/* offset 0x700 */
	u32   ll_ltssm_ctrl1;
	u32   ll_ltssm_ctrl2;
	u32   ll_ltssm_ctrl3;
	u32   unused1;

	/* 0x710 */
	u32   unused2;
	u32   ll_general_ctrl0;
	u32   ll_general_ctrl1;
#define     PM_U3_AUTO_EXIT                                     29
#define     PM_U2_AUTO_EXIT                                     28
#define     PM_U1_AUTO_EXIT                                     27
#define     PM_FORCE_U2_ENTRY                                   26
#define     PM_FORCE_U1_ENTRY                                   25
#define     PM_LGO_COLLISION_SEND_LAU                           24
#define     PM_DIR_LINK_REJECT                                  23
#define     PM_FORCE_LINK_ACCEPT                                22
#define     PM_DIR_ENTRY_U3                                     20
#define     PM_DIR_ENTRY_U2                                     19
#define     PM_DIR_ENTRY_U1                                     18
#define     PM_U2_ENABLE                                        17
#define     PM_U1_ENABLE                                        16
#define     SKP_THRESHOLD_ADJUST_FMW                            8
#define     RESEND_DPP_ON_LRTY_FMW                              7
#define     DL_BIT_VALUE_FMW                                    6
#define     FORCE_DL_BIT                                        5
	u32   ll_general_ctrl2;
#define     SELECT_INVERT_LANE_POLARITY                         7
#define     FORCE_INVERT_LANE_POLARITY                          6

Annotation

Implementation Notes