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/linux/drivers/soc/amlogic/
H A Dmeson-canvas.c13 #include <linux/soc/amlogic/meson-canvas.h>
37 spinlock_t lock; /* canvas device lock */
42 static void canvas_write(struct meson_canvas *canvas, u32 reg, u32 val) in canvas_write() argument
44 writel_relaxed(val, canvas->reg_base + reg); in canvas_write()
47 static u32 canvas_read(struct meson_canvas *canvas, u32 reg) in canvas_read() argument
49 return readl_relaxed(canvas->reg_base + reg); in canvas_read()
56 struct meson_canvas *canvas; in meson_canvas_get() local
58 canvas_node = of_parse_phandle(dev->of_node, "amlogic,canvas", 0); in meson_canvas_get()
71 * If priv is NULL, it's probably because the canvas hasn't in meson_canvas_get()
75 canvas = dev_get_drvdata(&canvas_pdev->dev); in meson_canvas_get()
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H A DKconfig5 tristate "Amlogic Meson Canvas driver"
9 Say yes to support the canvas IP for Amlogic SoCs.
H A DMakefile2 obj-$(CONFIG_MESON_CANVAS) += meson-canvas.o
/linux/include/linux/soc/amlogic/
H A Dmeson-canvas.h27 * meson_canvas_get() - get a canvas provider instance
34 * meson_canvas_alloc() - take ownership of a canvas
36 * @canvas: canvas provider instance retrieved from meson_canvas_get()
37 * @canvas_index: will be filled with the canvas ID
39 int meson_canvas_alloc(struct meson_canvas *canvas, u8 *canvas_index);
42 * meson_canvas_free() - remove ownership from a canvas
44 * @canvas: canvas provider instance retrieved from meson_canvas_get()
45 * @canvas_index: canvas ID that was obtained via meson_canvas_alloc()
47 int meson_canvas_free(struct meson_canvas *canvas, u8 canvas_index);
50 * meson_canvas_config() - configure a canvas
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/linux/Documentation/devicetree/bindings/soc/amlogic/
H A Damlogic,canvas.yaml5 $id: http://devicetree.org/schemas/soc/amlogic/amlogic,canvas.yaml#
8 title: Amlogic Canvas Video Lookup Table
15 A canvas is a collection of metadata that describes a pixel buffer.
19 Many IPs within Amlogic SoCs rely on canvas indexes to read/write pixel data
23 Amlogic SoCs have 256 canvas.
30 - amlogic,meson8-canvas
31 - amlogic,meson8b-canvas
32 - amlogic,meson8m2-canvas
33 - const: amlogic,canvas
34 - const: amlogic,canvas # GXBB and newer SoCs
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/linux/drivers/gpu/drm/meson/
H A Dmeson_drv.c17 #include <linux/soc/amlogic/meson-canvas.h>
245 priv->canvas = meson_canvas_get(dev); in meson_drv_bind_master()
246 if (IS_ERR(priv->canvas)) { in meson_drv_bind_master()
247 ret = PTR_ERR(priv->canvas); in meson_drv_bind_master()
251 ret = meson_canvas_alloc(priv->canvas, &priv->canvas_id_osd1); in meson_drv_bind_master()
254 ret = meson_canvas_alloc(priv->canvas, &priv->canvas_id_vd1_0); in meson_drv_bind_master()
257 ret = meson_canvas_alloc(priv->canvas, &priv->canvas_id_vd1_1); in meson_drv_bind_master()
260 ret = meson_canvas_alloc(priv->canvas, &priv->canvas_id_vd1_2); in meson_drv_bind_master()
368 meson_canvas_free(priv->canvas, priv->canvas_id_vd1_2); in meson_drv_bind_master()
370 meson_canvas_free(priv->canvas, priv->canvas_id_vd1_1); in meson_drv_bind_master()
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H A Dmeson_crtc.c13 #include <linux/soc/amlogic/meson-canvas.h>
370 meson_canvas_config(priv->canvas, priv->canvas_id_osd1, in meson_crtc_irq()
443 meson_canvas_config(priv->canvas, in meson_crtc_irq()
453 meson_canvas_config(priv->canvas, in meson_crtc_irq()
463 meson_canvas_config(priv->canvas, in meson_crtc_irq()
H A Dmeson_drv.h50 struct meson_canvas *canvas; member
H A Dmeson_plane.c180 /* Set up BLK0 to point to the right canvas */ in meson_plane_atomic_update()
367 /* Update Canvas with buffer address */ in meson_plane_atomic_update()
H A Dmeson_overlay.c648 /* Update Canvas with buffer address */ in meson_overlay_atomic_update()
/linux/Documentation/devicetree/bindings/media/
H A Damlogic,gx-vdec.yaml82 amlogic,canvas:
83 description: should point to a canvas provider node
123 - amlogic,canvas
140 amlogic,canvas = <&canvas>;
/linux/Documentation/devicetree/bindings/display/
H A Damlogic,meson-vpu.yaml33 It fetches the frames addresses, stride and parameters from the "Canvas" memory.
81 amlogic,canvas:
82 description: should point to a canvas provider node
118 - amlogic,canvas
131 amlogic,canvas = <&canvas>;
/linux/arch/arm/boot/dts/amlogic/
H A Dmeson8m2.dtsi18 /* the offset of the canvas registers has changed compared to Meson8 */
21 canvas: video-lut@48 { label
22 compatible = "amlogic,meson8m2-canvas", "amlogic,canvas";
/linux/drivers/staging/media/meson/vdec/
H A Dvdec.h16 #include <linux/soc/amlogic/meson-canvas.h>
58 * @canvas: canvas provider reference
79 struct meson_canvas *canvas; member
212 * @canvas_alloc: array of all the canvas IDs allocated
213 * @canvas_num: number of canvas IDs allocated
H A Dvdec_helpers.c85 dev_err(sess->core->dev, "Reached max number of canvas\n"); in canvas_alloc()
89 ret = meson_canvas_alloc(sess->core->canvas, canvas_id); in canvas_alloc()
116 meson_canvas_config(core->canvas, canvas_id[0], buf_paddr[0], in set_canvas_yuv420m()
122 meson_canvas_config(core->canvas, canvas_id[1], buf_paddr[1], in set_canvas_yuv420m()
128 meson_canvas_config(core->canvas, canvas_id[2], buf_paddr[2], in set_canvas_yuv420m()
160 meson_canvas_config(core->canvas, canvas_id[0], buf_paddr[0], in set_canvas_nv12m()
166 meson_canvas_config(core->canvas, canvas_id[1], buf_paddr[1], in set_canvas_nv12m()
H A Dvdec_helpers.h16 * @reg_base: Registry bases of where to write the canvas indexes
/linux/arch/arm64/boot/dts/amlogic/
H A Dmeson-gx.dtsi526 amlogic,canvas = <&canvas>;
549 canvas: video-lut@48 { label
550 compatible = "amlogic,canvas";
634 amlogic,canvas = <&canvas>;
/linux/Documentation/ABI/testing/
H A Dsysfs-bus-surface_aggregator-tabletsw18 - "folded-canvas": The type-cover has been folded back
/linux/drivers/media/platform/samsung/exynos4-is/
H A Dfimc-lite-reg.h80 /* Camera Output Canvas */
/linux/drivers/platform/surface/
H A Dsurface_aggregator_tabletsw.c230 return "folded-canvas"; in ssam_kip_cover_state_name()
371 return "folded-canvas"; in ssam_pos_state_name_cover()
/linux/drivers/mmc/core/
H A Dquirks.h20 * Kingston Canvas Go! Plus microSD cards never finish SD cache flush.
/linux/Documentation/userspace-api/media/dvb/
H A Dlegacy_dvb_osd.rst21 It is a kind of canvas one can draw on.
/linux/Documentation/hid/
H A Dhid-bpf.rst354 and *brush on a painting canvas*. To make things even better, we can control the
/linux/drivers/media/usb/gspca/
H A Dspca508.c558 /* This line seems to setup the frame/canvas */
/linux/drivers/hid/
H A Dwacom_sys.c217 * The Dell Canvas 27 needs to be switched to its vendor-defined in wacom_hid_usage_quirk()

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