| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 1 | ============================================= |
| 2 | drm/meson AmLogic Meson Video Processing Unit |
| 3 | ============================================= |
| 4 | |
| 5 | .. kernel-doc:: drivers/gpu/drm/meson/meson_drv.c |
| 6 | :doc: Video Processing Unit |
| 7 | |
| 8 | Video Processing Unit |
| 9 | ===================== |
| 10 | |
| 11 | The Amlogic Meson Display controller is composed of several components |
| 12 | that are going to be documented below: |
| 13 | |
| 14 | .. code:: |
| 15 | |
| 16 | DMC|---------------VPU (Video Processing Unit)----------------|------HHI------| |
| 17 | | vd1 _______ _____________ _________________ | | |
| 18 | D |-------| |----| | | | | HDMI PLL | |
| 19 | D | vd2 | VIU | | Video Post | | Video Encoders |<---|-----VCLK | |
| 20 | R |-------| |----| Processing | | | | | |
| 21 | | osd2 | | | |---| Enci ----------|----|-----VDAC------| |
| 22 | R |-------| CSC |----| Scalers | | Encp ----------|----|----HDMI-TX----| |
| 23 | A | osd1 | | | Blenders | | Encl ----------|----|---------------| |
| 24 | M |-------|______|----|____________| |________________| | | |
| 25 | ___|__________________________________________________________|_______________| |
| 26 | |
| 27 | Video Input Unit |
| 28 | ================ |
| 29 | |
| 30 | .. kernel-doc:: drivers/gpu/drm/meson/meson_viu.c |
| 31 | :doc: Video Input Unit |
| 32 | |
| 33 | Video Post Processing |
| 34 | ===================== |
| 35 | |
| 36 | .. kernel-doc:: drivers/gpu/drm/meson/meson_vpp.c |
| 37 | :doc: Video Post Processing |
| 38 | |
| 39 | Video Encoder |
| 40 | ============= |
| 41 | |
| 42 | .. kernel-doc:: drivers/gpu/drm/meson/meson_venc.c |
| 43 | :doc: Video Encoder |
| 44 | |
| 45 | Video Canvas Management |
| 46 | ======================= |
| 47 | |
| 48 | .. kernel-doc:: drivers/gpu/drm/meson/meson_canvas.c |
| 49 | :doc: Canvas |
| 50 | |
| 51 | Video Clocks |
| 52 | ============ |
| 53 | |
| 54 | .. kernel-doc:: drivers/gpu/drm/meson/meson_vclk.c |
| 55 | :doc: Video Clocks |
| 56 | |
| 57 | HDMI Video Output |
| 58 | ================= |
| 59 | |
| 60 | .. kernel-doc:: drivers/gpu/drm/meson/meson_dw_hdmi.c |
| 61 | :doc: HDMI Output |