vx2_setup_pseudo_dma(9)

🎀 vx2_setup_pseudo_dma(9) — the Kernel API Manual bestie edition 🎀

okay so you're in the Kernel API Manual and the function we're obsessing over today is vx2_setup_pseudo_dma(9). she's cute, she's tiny, she sets a mode. let's get into it 💅

---

✨ NAME ✨

vx2_setup_pseudo_dma — set up the pseudo dma read/write mode.

like literally that's her whole job and she does it flawlessly 🫶

---

🌸 SYNOPSIS 🌸

void vx2_setup_pseudo_dma (struct vx_core *chip , int do_write );

no cap, that's the whole signature. two args, returns void, zero drama. ✨

---

🦋 ARGUMENTS 🦋

• chip — the VX core instance. your main character struct, your whole vibe, the thing we're operating on 💖
• do_write — the direction switch, and it's giving "pick a lane":
  • 0 = read
  • 1 = set up for DMA write

so like, 0 means we're reading and 1 means we're setting it up for DMA write. that's it, that's the whole mood. don't overthink it 🙈

---

👑 SEE ALSO 👑

• Kernel file ./sound/pci/vx222/vx222_ops.c
• vx2_inb(9)
• vx2_outb(9)
• vx2_inl(9)
• vx2_outl(9)

the whole squad fr fr — go read them, they're iconic 🔥

---

and that's the page bestie! 🌈 this lil gem lives in ./sound/pci/vx222 and the version/date stamp on her is October 2026 — so write that down, screenshot it, put it on your fridge, mwah 💜🧚‍♀️