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/linux/Documentation/devicetree/bindings/display/
H A Dbrcm,bcm2835-vc4.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/brcm,bcm2835-vc4.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Broadcom VC4 (VideoCore4) GPU
10 - Eric Anholt <eric@anholt.net>
13 The VC4 device present on the Raspberry Pi includes a display system
20 - brcm,bcm2711-vc5
21 - brcm,bcm2712-vc6
22 - brcm,bcm2835-vc4
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H A Dbrcm,bcm2835-pixelvalve0.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/brcm,bcm2835-pixelvalve0.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Broadcom VC4 (VideoCore4) PixelValve
10 - Eric Anholt <eric@anholt.net>
15 - brcm,bcm2835-pixelvalve0
16 - brcm,bcm2835-pixelvalve1
17 - brcm,bcm2835-pixelvalve2
18 - brcm,bcm2711-pixelvalve0
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H A Dbrcm,bcm2835-vec.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/brcm,bcm2835-vec.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Broadcom VC4 (VideoCore4) VEC
10 - Eric Anholt <eric@anholt.net>
15 - brcm,bcm2711-vec
16 - brcm,bcm2835-vec
27 power-domains:
31 - compatible
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H A Dbrcm,bcm2835-txp.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/brcm,bcm2835-txp.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Broadcom VC4 (VideoCore4) TXP (writeback) Controller
10 - Eric Anholt <eric@anholt.net>
15 - brcm,bcm2712-mop
16 - brcm,bcm2712-moplet
17 - brcm,bcm2835-txp
26 - compatible
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H A Dbrcm,bcm2835-dpi.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/brcm,bcm2835-dpi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Broadcom VC4 (VideoCore4) DPI Controller
10 - Eric Anholt <eric@anholt.net>
14 const: brcm,bcm2835-dpi
21 - description: The core clock the unit runs on
22 - description: The pixel clock that feeds the pixelvalve
24 clock-names:
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H A Dbrcm,bcm2835-v3d.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/brcm,bcm2835-v3d.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Broadcom VC4 (VideoCore4) V3D GPU
10 - Eric Anholt <eric@anholt.net>
15 - brcm,bcm2835-v3d
16 - brcm,cygnus-v3d
27 power-domains:
31 - compatible
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H A Dbrcm,bcm2835-dsi0.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/brcm,bcm2835-dsi0.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Broadcom VC4 (VideoCore4) DSI Controller
10 - Eric Anholt <eric@anholt.net>
13 - $ref: dsi-controller.yaml#
16 "#clock-cells":
21 - brcm,bcm2711-dsi1
22 - brcm,bcm2835-dsi0
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H A Dbrcm,bcm2835-hvs.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/brcm,bcm2835-hvs.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Broadcom VC4 (VideoCore4) Hardware Video Scaler
10 - Eric Anholt <eric@anholt.net>
15 - brcm,bcm2711-hvs
16 - brcm,bcm2712-hvs
17 - brcm,bcm2835-hvs
30 - compatible
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H A Dbrcm,bcm2835-hdmi.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/brcm,bcm2835-hdmi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Broadcom VC4 (VideoCore4) HDMI Controller
10 - Eric Anholt <eric@anholt.net>
14 const: brcm,bcm2835-hdmi
18 - description: HDMI register range
19 - description: HD register range
26 - description: The pixel clock
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/linux/drivers/gpu/drm/vc4/
H A Dvc4_drv.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2014-2015 Broadcom
8 * DOC: Broadcom VC4 Graphics Driver
11 * OpenGL ES 2.0-compatible 3D engine called V3D, and a highly
16 * compute shader-style jobs using the same shader processor as is
27 #include <linux/dma-mapping.h>
41 #include <soc/bcm2835/raspberrypi-firmware.h>
48 #define DRIVER_NAME "vc4"
49 #define DRIVER_DESC "Broadcom VC4 graphics"
68 int min_pitch = DIV_ROUND_UP(args->width * args->bpp, 8); in vc4_dumb_fixup_args()
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H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 tristate "Broadcom VC4 Graphics"
27 VC4 GPU, such as the Raspberry Pi or other BCM2708/BCM2835.
34 bool "Broadcom VC4 HDMI CEC Support"
38 Choose this option if you have a Broadcom VC4 GPU
42 tristate "KUnit tests for VC4" if !KUNIT_ALL_TESTS
47 This builds unit tests for the VC4 DRM/KMS driver. This option is
49 developers working on the VC4 driver.
53 Documentation/dev-tools/kunit/.
H A Dvc4_crtc.c1 // SPDX-License-Identifier: GPL-2.0-only
7 * DOC: VC4 CRTC module
9 * In VC4, the Pixel Valve is what most closely corresponds to the
27 * output-specific clock. Since the encoders also directly consume
57 writel(val, vc4_crtc->regs + (offset)); \
63 readl(vc4_crtc->regs + (offset)); \
83 vc4_crtc_get_cob_allocation(struct vc4_dev *vc4, unsigned int channel) in vc4_crtc_get_cob_allocation() argument
85 struct vc4_hvs *hvs = vc4->hvs; in vc4_crtc_get_cob_allocation()
88 /* Top/base are supposed to be 4-pixel aligned, but the in vc4_crtc_get_cob_allocation()
93 if (vc4->gen >= VC4_GEN_6_C) { in vc4_crtc_get_cob_allocation()
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H A Dvc4_v3d.c1 // SPDX-License-Identifier: GPL-2.0-only
99 struct drm_debugfs_entry *entry = m->private; in vc4_v3d_debugfs_ident()
100 struct drm_device *dev = entry->dev; in vc4_v3d_debugfs_ident()
101 struct vc4_dev *vc4 = to_vc4_dev(dev); in vc4_v3d_debugfs_ident() local
102 int ret = vc4_v3d_pm_get(vc4); in vc4_v3d_debugfs_ident()
117 vc4_v3d_pm_put(vc4); in vc4_v3d_debugfs_ident()
128 vc4_v3d_pm_get(struct vc4_dev *vc4) in vc4_v3d_pm_get() argument
130 if (WARN_ON_ONCE(vc4->gen > VC4_GEN_4)) in vc4_v3d_pm_get()
131 return -ENODEV; in vc4_v3d_pm_get()
133 mutex_lock(&vc4->power_lock); in vc4_v3d_pm_get()
[all …]
H A Dvc4_dpi.c1 // SPDX-License-Identifier: GPL-2.0-only
7 * DOC: VC4 DPI module
9 * The VC4 DPI hardware supports MIPI DPI type 4 and Nokia ViSSI
10 * signals. On BCM2835, these can be routed out to GPIO0-27 with the
24 #include <linux/media-bus-format.h>
43 /* The format field takes the ORDER-shuffled pixel valve data and
79 /* Power gate to the device, full reset at 0 -> 1 transition */
106 readl(dpi->regs + (offset)); \
112 writel(val, dpi->regs + (offset)); \
122 struct drm_device *dev = encoder->dev; in vc4_dpi_encoder_disable()
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H A Dvc4_hvs.c1 // SPDX-License-Identifier: GPL-2.0-only
7 * DOC: VC4 HVS module.
31 #include <soc/bcm2835/raspberrypi-firmware.h>
206 struct drm_device *drm = &hvs->vc4->base; in vc4_hvs_dump_state()
207 struct drm_printer p = drm_info_printer(&hvs->pdev->dev); in vc4_hvs_dump_state()
213 drm_print_regset32(&p, &hvs->regset); in vc4_hvs_dump_state()
219 readl((u32 __iomem *)hvs->dlist + i + 0), in vc4_hvs_dump_state()
220 readl((u32 __iomem *)hvs->dlist + i + 1), in vc4_hvs_dump_state()
221 readl((u32 __iomem *)hvs->dlist + i + 2), in vc4_hvs_dump_state()
222 readl((u32 __iomem *)hvs->dlist + i + 3)); in vc4_hvs_dump_state()
[all …]
H A Dvc4_dsi.c1 // SPDX-License-Identifier: GPL-2.0-only
7 * DOC: VC4 DSI0/DSI1 module
9 * BCM2835 contains two DSI modules, DSI0 and DSI1. DSI0 is a
10 * single-lane DSI controller, while DSI1 is a more modern 4-lane DSI
16 * This driver has been tested for DSI1 video-mode display only
21 #include <linux/clk-provider.h>
25 #include <linux/dma-mapping.h>
146 * of going to LP-STOP.
149 /* Transmit blanking packet only during vblank, instead of allowing LP-STOP. */
151 /* Transmit blanking packet only during HFP, instead of allowing LP-STOP. */
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H A Dvc4_hdmi.c1 // SPDX-License-Identifier: GPL-2.0-only
10 * DOC: VC4 Falcon HDMI module
12 * The HDMI core has a state machine and a PHY. On BCM2835, most of
21 * and transfers them over an internal MAI (multi-channel audio
53 #include <sound/hdmi-codec.h>
117 struct drm_display_info *display = &vc4_hdmi->connector.display_info; in vc4_hdmi_supports_scrambling()
119 lockdep_assert_held(&vc4_hdmi->mutex); in vc4_hdmi_supports_scrambling()
121 if (!display->is_hdmi) in vc4_hdmi_supports_scrambling()
124 if (!display->hdmi.scdc.supported || in vc4_hdmi_supports_scrambling()
125 !display->hdmi.scdc.scrambling.supported) in vc4_hdmi_supports_scrambling()
[all …]
H A Dvc4_txp.c1 // SPDX-License-Identifier: GPL-2.0
31 /* Base address of the output. Raster formats must be 4-byte aligned,
32 * T and LT must be 16-byte aligned or maybe utile-aligned (docs are
37 /* Pitch in bytes for raster images, 16-byte aligned. For tiled, it's
41 /* For T-tiled imgaes, DST_PITCH should be the number of tiles wide,
45 /* For LT-tiled images, DST_PITCH should be the number of utiles wide,
50 /* Pre-rotation width/height of the image. Must match HVS config.
52 * If TFORMAT and 32-bit, limit is 1920 for 32-bit and 3840 to 16-bit
53 * and width/height must be tile or utile-aligned as appropriate. If
69 /* Bits 22-23 are set to 0x01 */
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H A Dvc4_vec.c1 // SPDX-License-Identifier: GPL-2.0-only
7 * DOC: VC4 SDTV module
13 * PAL and PAL-M or NTSC and NTSC-J.
85 * VEC_FREQ1_0 contains the most significant 16-bit half-word,
86 * VEC_FREQ3_2 contains the least significant 16-bit half-word.
92 * NTSC (3579545.[45] Hz) - 0x21F07C1F
93 * PAL (4433618.75 Hz) - 0x2A098ACB
94 * PAL-M (3575611.[888111] Hz) - 0x21E6EFE3
95 * PAL-N (3582056.25 Hz) - 0x21F69446
213 readl(vec->regs + (offset)); \
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/linux/arch/arm/boot/dts/broadcom/
H A Dbcm2835-common.dtsi1 // SPDX-License-Identifier: GPL-2.0
4 * bcm2835, bcm2836 and bcm2837 implementations.
8 interrupt-parent = <&intc>;
11 dma: dma-controller@7e007000 {
12 compatible = "brcm,bcm2835-dma";
25 /* dma channel 11-14 share one irq */
32 interrupt-names = "dma0",
47 "dma-shared-all";
48 #dma-cells = <1>;
49 brcm,dma-channel-mask = <0x7f35>;
[all …]
H A Dbcm2711.dtsi1 // SPDX-License-Identifier: GPL-2.0
4 #include <dt-bindings/interrupt-controller/arm-gic.h>
5 #include <dt-bindings/soc/bcm2835-pm.h>
10 #address-cells = <2>;
11 #size-cells = <1>;
13 interrupt-parent = <&gicv2>;
15 vc4: gpu { label
16 compatible = "brcm,bcm2711-vc5";
20 clk_27MHz: clk-27M {
21 #clock-cells = <0>;
[all …]
/linux/drivers/media/platform/broadcom/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
13 Say Y here to enable support for the BCM283x/BCM271x CSI-2 receiver.
14 This is a V4L2 driver that controls the CSI-2 receiver directly,
15 independently from the VC4 firmware.
17 This driver is mutually exclusive with the use of bcm2835-camera. The
19 firmware if it finds a DT node using it, and bcm2835-camera will
23 called bcm2835-unicam.
/linux/Documentation/gpu/
H A Dvc4.rst2 drm/vc4 Broadcom VC4 Graphics Driver
5 .. kernel-doc:: drivers/gpu/drm/vc4/vc4_drv.c
6 :doc: Broadcom VC4 Graphics Driver
16 ----------------------
18 .. kernel-doc:: drivers/gpu/drm/vc4/vc4_crtc.c
19 :doc: VC4 CRTC module
22 ---
24 .. kernel-doc:: drivers/gpu/drm/vc4/vc4_hvs.c
25 :doc: VC4 HVS module.
28 ----------
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/linux/drivers/gpio/
H A Dgpio-raspberrypi-exp.c1 // SPDX-License-Identifier: GPL-2.0+
15 #include <soc/bcm2835/raspberrypi-firmware.h>
17 #define MODULE_NAME "raspberrypi-exp-gpio"
30 /* VC4 firmware mailbox interface data structures */
64 ret = rpi_firmware_property(gpio->fw, RPI_FIRMWARE_GET_GPIO_CONFIG, in rpi_exp_gpio_get_polarity()
67 dev_err(gc->parent, "Failed to get GPIO %u config (%d %x)\n", in rpi_exp_gpio_get_polarity()
69 return ret ? ret : -EIO; in rpi_exp_gpio_get_polarity()
93 ret = rpi_firmware_property(gpio->fw, RPI_FIRMWARE_SET_GPIO_CONFIG, in rpi_exp_gpio_dir_in()
96 dev_err(gc->parent, "Failed to set GPIO %u to input (%d %x)\n", in rpi_exp_gpio_dir_in()
98 return ret ? ret : -EIO; in rpi_exp_gpio_dir_in()
[all …]
/linux/arch/arm64/boot/dts/broadcom/
H A Dbcm2712.dtsi1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
2 #include <dt-bindings/interrupt-controller/arm-gic.h>
7 #address-cells = <2>;
8 #size-cells = <2>;
10 interrupt-parent = <&gicv2>;
14 clk_osc: clk-osc {
15 compatible = "fixed-clock";
16 #clock-cells = <0>;
17 clock-output-names = "osc";
18 clock-frequency = <54000000>;
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