STRUCT CDNS2_ADMA_REGS(9)

✨ struct cdns2_adma_regs(9) — ADMA controller registers ✨

📛 NAME

struct cdns2_adma_regs — ADMA controller registers. That's the whole vibe, bestie: this page from the Kernel API Manual is the register layout for the ADMA controller, and every single field is about to get its moment. 🎀

🧚 SYNOPSIS

struct cdns2_adma_regs {
    __le32 conf;
    __le32 sts;
    __le32 reserved1[5];
    __le32 ep_sel;
    __le32 ep_traddr;
    __le32 ep_cfg;
    __le32 ep_cmd;
    __le32 ep_sts;
    __le32 reserved2;
    __le32 ep_sts_en;
    __le32 drbl;
    __le32 ep_ien;
    __le32 ep_ists;
    __le32 axim_ctrl;
    __le32 axim_id;
    __le32 reserved3;
    __le32 axim_cap;
    __le32 reserved4;
    __le32 axim_ctrl0;
    __le32 axim_ctrl1;
};

🫶 Members

Okay so here's the full cast, in order, no skips:

• conf — DMA global configuration register. Main character setup energy. ✨
• sts — DMA global Status register. The vibes report. 👀
• reserved1 — reserved. Literally reserved, no side quest.
• ep_sel — DMA endpoint select register. Pick your endpoint, bestie. 💅
• ep_traddr — DMA endpoint transfer ring address register. Address reveal. 📍
• ep_cfg — DMA endpoint configuration register. Setting the whole look. 🎀
• ep_cmd — DMA endpoint command register. Say the word. 🗣️
• ep_sts — DMA endpoint status register. Status check, always. 💁
• reserved2 — reserved. Still just reserved.
• ep_sts_en — DMA endpoint status enable register. Turning the status notifications on. 🔔
• drbl — DMA doorbell register. Ding dong, the DMA is calling. 🛎️
• ep_ien — DMA endpoint interrupt enable register. Interrupts: enabled. 💥
• ep_ists — DMA endpoint interrupt status register. Interrupt tea. 🍵
• axim_ctrl — AXI Master Control register. In control, obviously. 👑
• axim_id — AXI Master ID register. Show your ID at the door. 🪪
• reserved3 — reserved. Leave it alone, gorgeous.
• axim_cap — AXI Master Wrapper Extended Capability. Capability era. 🌈
• reserved4 — reserved. Reserved again, fr fr.
• axim_ctrl0 — AXI Master Wrapper Extended Capability Control Register 0. Yes, zero. 🔥
• axim_ctrl1 — AXI Master Wrapper Extended Capability Control Register 1. And one. ⭐

💖 SEE ALSO

• Kernel file: ./drivers/usb/gadget/udc/cdns2/cdns2-gadget.h
• Also check out these faves: struct cdns2_ep0_regs(9), struct cdns2_epx_base(9), struct cdns2_epx_regs(9), struct cdns2_interrupt_regs(9), struct cdns2_usb_regs(9), struct cdns2_trb(9), struct cdns2_ring(9), struct cdns2_endpoint(9), struct cdns2_request(9), struct cdns2_device(9)

mwah 💋 this page's source/version is ./drivers/usb/gadget/udc/cdns2, dated October 2026, and it's struct cdns2_adma_regs(9) from the Kernel API Manual — periodt. 🎀👑