| /Linux-v6.1/Documentation/devicetree/bindings/display/ |
| D | brcm,bcm2835-vc4.yaml | 1 # 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,bcm2835-vc4
22 - brcm,cygnus-vc4
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| D | brcm,bcm2835-pixelvalve0.yaml | 1 # 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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| D | brcm,bcm2835-vec.yaml | 1 # 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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| D | brcm,bcm2835-txp.yaml | 1 # 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>
14 const: brcm,bcm2835-txp
23 - compatible
24 - reg
25 - interrupts
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| D | brcm,bcm2835-v3d.yaml | 1 # 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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| D | brcm,bcm2835-dpi.yaml | 1 # 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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| D | brcm,bcm2835-hvs.yaml | 1 # 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,bcm2835-hvs
29 - compatible
30 - reg
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| D | brcm,bcm2835-dsi0.yaml | 1 # 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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| D | brcm,bcm2835-hdmi.yaml | 1 # 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-v6.1/drivers/gpu/drm/vc4/ |
| D | vc4_drv.c | 1 // 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
26 #include <linux/dma-mapping.h>
39 #include <soc/bcm2835/raspberrypi-firmware.h>
46 #define DRIVER_NAME "vc4"
47 #define DRIVER_DESC "Broadcom VC4 graphics"
67 int min_pitch = DIV_ROUND_UP(args->width * args->bpp, 8); in vc4_dumb_fixup_args()
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| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
3 tristate "Broadcom VC4 Graphics"
24 VC4 GPU, such as the Raspberry Pi or other BCM2708/BCM2835.
31 bool "Broadcom VC4 HDMI CEC Support"
35 Choose this option if you have a Broadcom VC4 GPU
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| D | vc4_v3d.c | 1 // SPDX-License-Identifier: GPL-2.0-only
99 struct drm_info_node *node = (struct drm_info_node *)m->private; in vc4_v3d_debugfs_ident()
100 struct drm_device *dev = node->minor->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->is_vc5)) in vc4_v3d_pm_get()
131 return -ENODEV; in vc4_v3d_pm_get()
133 mutex_lock(&vc4->power_lock); in vc4_v3d_pm_get()
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| D | vc4_crtc.c | 1 // 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
53 #define CRTC_WRITE(offset, val) writel(val, vc4_crtc->regs + (offset))
54 #define CRTC_READ(offset) readl(vc4_crtc->regs + (offset))
73 vc4_crtc_get_cob_allocation(struct vc4_dev *vc4, unsigned int channel) in vc4_crtc_get_cob_allocation() argument
75 struct vc4_hvs *hvs = vc4->hvs; in vc4_crtc_get_cob_allocation()
77 /* Top/base are supposed to be 4-pixel aligned, but the in vc4_crtc_get_cob_allocation()
84 return top - base + 4; in vc4_crtc_get_cob_allocation()
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| D | vc4_dpi.c | 1 // 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 #define DPI_READ(offset) readl(dpi->regs + (offset))
107 #define DPI_WRITE(offset, val) writel(val, dpi->regs + (offset))
116 struct drm_device *dev = encoder->dev; in vc4_dpi_encoder_disable()
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| D | vc4_hvs.c | 1 // SPDX-License-Identifier: GPL-2.0-only
7 * DOC: VC4 HVS module.
70 struct drm_device *drm = &hvs->vc4->base; in vc4_hvs_dump_state()
71 struct drm_printer p = drm_info_printer(&hvs->pdev->dev); in vc4_hvs_dump_state()
77 drm_print_regset32(&p, &hvs->regset); in vc4_hvs_dump_state()
83 readl((u32 __iomem *)hvs->dlist + i + 0), in vc4_hvs_dump_state()
84 readl((u32 __iomem *)hvs->dlist + i + 1), in vc4_hvs_dump_state()
85 readl((u32 __iomem *)hvs->dlist + i + 2), in vc4_hvs_dump_state()
86 readl((u32 __iomem *)hvs->dlist + i + 3)); in vc4_hvs_dump_state()
94 struct drm_info_node *node = m->private; in vc4_hvs_debugfs_underrun()
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| D | vc4_dsi.c | 1 // 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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| D | vc4_hdmi.c | 1 // 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
50 #include <sound/hdmi-codec.h>
130 struct drm_display_info *display = &vc4_hdmi->connector.display_info; in vc4_hdmi_supports_scrambling()
132 lockdep_assert_held(&vc4_hdmi->mutex); in vc4_hdmi_supports_scrambling()
134 if (!display->is_hdmi) in vc4_hdmi_supports_scrambling()
137 if (!display->hdmi.scdc.supported || in vc4_hdmi_supports_scrambling()
138 !display->hdmi.scdc.scrambling.supported) in vc4_hdmi_supports_scrambling()
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| D | vc4_vec.c | 1 // SPDX-License-Identifier: GPL-2.0-only
7 * DOC: VC4 SDTV module
13 * PAL and PAL-M or NTSC and NTSC-J.
177 #define VEC_READ(offset) readl(vec->regs + (offset))
178 #define VEC_WRITE(offset, val) writel(val, vec->regs + (offset))
273 struct drm_connector_state *state = connector->state; in vc4_vec_connector_get_modes()
276 mode = drm_mode_duplicate(connector->dev, in vc4_vec_connector_get_modes()
277 vc4_vec_tv_modes[state->tv.mode].mode); in vc4_vec_connector_get_modes()
280 return -ENOMEM; in vc4_vec_connector_get_modes()
302 struct drm_connector *connector = &vec->connector; in vc4_vec_connector_init()
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| /Linux-v6.1/arch/arm/boot/dts/ |
| D | bcm2835-common.dtsi | 1 // SPDX-License-Identifier: GPL-2.0
4 * bcm2835, bcm2836 and bcm2837 implementations.
8 interrupt-parent = <&intc>;
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>;
52 intc: interrupt-controller@7e00b200 {
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| D | bcm2711.dtsi | 1 // 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>;
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| /Linux-v6.1/Documentation/devicetree/bindings/gpio/ |
| D | raspberrypi,firmware-gpio.txt | 3 The Raspberry Pi 3 GPIO expander is controlled by the VC4 firmware. The
12 - compatible : Should be "raspberrypi,firmware-gpio"
13 - gpio-controller : Marks the device node as a gpio controller
14 - #gpio-cells : Should be two. The first cell is the pin number, and
21 firmware: firmware-rpi {
22 compatible = "raspberrypi,bcm2835-firmware";
26 compatible = "raspberrypi,firmware-gpio";
27 gpio-controller;
28 #gpio-cells = <2>;
|
| /Linux-v6.1/drivers/gpio/ |
| D | gpio-raspberrypi-exp.c | 1 // 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()
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| /Linux-v6.1/ |
| D | MAINTAINERS | 9 -------------------------
30 ``diff -u`` to make the patch easy to merge. Be prepared to get your
40 See Documentation/process/coding-style.rst for guidance here.
46 See Documentation/process/submitting-patches.rst for details.
57 include a Signed-off-by: line. The current version of this
59 Documentation/process/submitting-patches.rst.
70 that the bug would present a short-term risk to other users if it
76 Documentation/admin-guide/security-bugs.rst for details.
81 ---------------------------------------------------
97 W: *Web-page* with status/info
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