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/linux-5.10/Documentation/devicetree/bindings/display/exynos/
Dexynos_hdmi.txt1 Device-Tree bindings for drm hdmi driver
4 - compatible: value should be one among the following:
5 1) "samsung,exynos4210-hdmi"
6 2) "samsung,exynos4212-hdmi"
7 3) "samsung,exynos5420-hdmi"
8 4) "samsung,exynos5433-hdmi"
9 - reg: physical base address of the hdmi and length of memory mapped
11 - interrupts: interrupt number to the cpu.
12 - hpd-gpios: following information about the hotplug gpio pin.
16 - ddc: phandle to the hdmi ddc node
[all …]
/linux-5.10/Documentation/devicetree/bindings/display/connector/
Dhdmi-connector.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/display/connector/hdmi-connector.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
14 const: hdmi-connector
19 - a # Standard full size
20 - b # Never deployed?
21 - c # Mini
22 - d # Micro
[all …]
/linux-5.10/drivers/gpu/drm/bridge/
Ddisplay-connector.c1 // SPDX-License-Identifier: GPL-2.0
34 return flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR ? 0 : -EINVAL; in display_connector_attach()
42 if (conn->hpd_gpio) { in display_connector_detect()
43 if (gpiod_get_value_cansleep(conn->hpd_gpio)) in display_connector_detect()
49 if (conn->bridge.ddc && drm_probe_ddc(conn->bridge.ddc)) in display_connector_detect()
52 switch (conn->bridge.type) { in display_connector_detect()
59 * For DVI and HDMI connectors a DDC probe failure indicates in display_connector_detect()
69 * Composite and S-Video connectors have no other detection in display_connector_detect()
72 * if drm_probe_ddc fails, as some cables don't wire the DDC in display_connector_detect()
84 return drm_get_edid(connector, conn->bridge.ddc); in display_connector_get_edid()
[all …]
Dsil-sii8620.h1 /* SPDX-License-Identifier: GPL-2.0-only */
9 * Copyright (C) 2013-2014 Silicon Image, Inc.
243 /* LM DDC, default value: 0x80 */
252 /* DDC I2C Manual, default value: 0x03 */
263 /* DDC I2C Target Slave Address, default value: 0x00 */
267 /* DDC I2C Target Segment Address, default value: 0x00 */
270 /* DDC I2C Target Offset Address, default value: 0x00 */
273 /* DDC I2C Data In count #1, default value: 0x00 */
276 /* DDC I2C Data In count #2, default value: 0x00 */
280 /* DDC I2C Status, default value: 0x04 */
[all …]
/linux-5.10/Documentation/devicetree/bindings/display/panel/
Dpanel-common.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/panel/panel-common.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
24 width-mm:
29 height-mm:
38 on the system (e.g. as an affixed label) or specified in the system's
39 documentation (e.g. in the user's manual).
[all …]
/linux-5.10/drivers/gpu/drm/imx/
Dimx-ldb.c1 // SPDX-License-Identifier: GPL-2.0+
3 * i.MX drm driver - LVDS display bridge
11 #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
31 #include "imx-drm.h"
33 #define DRIVER_NAME "imx-ldb"
62 struct i2c_adapter *ddc; member
76 static inline struct imx_ldb_channel *enc_to_imx_ldb_ch(struct drm_encoder *e) in enc_to_imx_ldb_ch() argument
78 return container_of(e, struct imx_ldb_channel, encoder); in enc_to_imx_ldb_ch()
102 struct imx_ldb *ldb = imx_ldb_ch->ldb; in imx_ldb_ch_set_bus_format()
103 int dual = ldb->ldb_ctrl & LDB_SPLIT_MODE_EN; in imx_ldb_ch_set_bus_format()
[all …]
Dimx-tve.c1 // SPDX-License-Identifier: GPL-2.0+
3 * i.MX drm driver - Television Encoder (TVEv2)
8 #include <linux/clk-provider.h>
18 #include <video/imx-ipu-v3.h>
25 #include "imx-drm.h"
112 struct i2c_adapter *ddc; member
124 static inline struct imx_tve *enc_to_tve(struct drm_encoder *e) in enc_to_tve() argument
126 return container_of(e, struct imx_tve, encoder); in enc_to_tve()
131 clk_prepare_enable(tve->clk); in tve_enable()
132 regmap_update_bits(tve->regmap, TVE_COM_CONF_REG, TVE_EN, TVE_EN); in tve_enable()
[all …]
/linux-5.10/Documentation/fb/
Dintel810.rst20 - Intel 810
21 - Intel 810E
22 - Intel 810-DC100
23 - Intel 815 Internal graphics only, 100Mhz FSB
24 - Intel 815 Internal graphics only
25 - Intel 815 Internal graphics and AGP
30 - Choice of using Discrete Video Timings, VESA Generalized Timing
33 - Supports a variable range of horizontal and vertical resolution and
37 - Supports color depths of 8, 16, 24 and 32 bits per pixel
39 - Supports pseudocolor, directcolor, or truecolor visuals
[all …]
/linux-5.10/drivers/video/fbdev/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
20 a well-defined interface, so the software doesn't need to know
21 anything about the low-level (hardware register) stuff.
27 On several non-X86 architectures, the frame buffer device is the
31 in the /dev directory, i.e. /dev/fb*.
35 and the Framebuffer-HOWTO at
36 <http://www.munted.org.uk/programming/Framebuffer-HOWTO-1.3.html> for more
40 are compiling a kernel for a non-x86 architecture.
45 (e.g. an accelerated X server) and that are not frame buffer
46 device-aware may cause unexpected results. If unsure, say N.
[all …]
/linux-5.10/drivers/gpu/drm/amd/display/dc/dce/
Ddce_i2c_hw.c35 dce_i2c_hw->ctx
37 dce_i2c_hw->regs->reg
41 dce_i2c_hw->shifts->field_name, dce_i2c_hw->masks->field_name
59 DC_I2C_TRANSACTION_COUNT, dce_i2c_hw->transaction_count - 1); in execute_transaction()
67 dce_i2c_hw->transaction_count = 0; in execute_transaction()
68 dce_i2c_hw->buffer_used_bytes = 0; in execute_transaction()
80 else if (value & dce_i2c_hw->masks->DC_I2C_SW_STOPPED_ON_NACK) in get_channel_status()
82 else if (value & dce_i2c_hw->masks->DC_I2C_SW_TIMEOUT) in get_channel_status()
84 else if (value & dce_i2c_hw->masks->DC_I2C_SW_ABORTED) in get_channel_status()
86 else if (value & dce_i2c_hw->masks->DC_I2C_SW_DONE) in get_channel_status()
[all …]
/linux-5.10/drivers/video/fbdev/i810/
Di810-i2c.c1 /*-*- linux-c -*-
2 * linux/drivers/video/i810-i2c.c -- Intel 810/815 I2C support
45 struct i810fb_par *par = chan->par; in i810i2c_setscl()
46 u8 __iomem *mmio = par->mmio_start_virtual; in i810i2c_setscl()
49 i810_writel(mmio, chan->ddc_base, SCL_DIR_MASK | SCL_VAL_MASK); in i810i2c_setscl()
51 i810_writel(mmio, chan->ddc_base, SCL_DIR | SCL_DIR_MASK | SCL_VAL_MASK); in i810i2c_setscl()
52 i810_readl(mmio, chan->ddc_base); /* flush posted write */ in i810i2c_setscl()
58 struct i810fb_par *par = chan->par; in i810i2c_setsda()
59 u8 __iomem *mmio = par->mmio_start_virtual; in i810i2c_setsda()
62 i810_writel(mmio, chan->ddc_base, SDA_DIR_MASK | SDA_VAL_MASK); in i810i2c_setsda()
[all …]
/linux-5.10/arch/arm/boot/dts/
Dtegra124-apalis-v1.2-eval.dts1 // SPDX-License-Identifier: GPL-2.0 OR MIT
3 * Copyright 2016-2018 Toradex AG
6 /dts-v1/;
8 #include <dt-bindings/input/input.h>
9 #include "tegra124-apalis-v1.2.dtsi"
13 compatible = "toradex,apalis-tk1-v1.2-eval", "toradex,apalis-tk1-eval",
14 "toradex,apalis-tk1-v1.2", "toradex,apalis-tk1",
28 stdout-path = "serial0:115200n8";
40 hdmi-supply = <&reg_5v0>;
69 * GEN1_I2C: I2C1_SDA/SCL on MXM3 pin 209/211 (e.g. RTC on carrier
[all …]
Dtegra124-apalis-eval.dts1 // SPDX-License-Identifier: GPL-2.0 OR X11
3 * Copyright 2016-2019 Toradex AG
6 /dts-v1/;
8 #include <dt-bindings/input/input.h>
9 #include "tegra124-apalis.dtsi"
13 compatible = "toradex,apalis-tk1-eval", "toradex,apalis-tk1",
27 stdout-path = "serial0:115200n8";
39 hdmi-supply = <&reg_5v0>;
68 * GEN1_I2C: I2C1_SDA/SCL on MXM3 pin 209/211 (e.g. RTC on carrier
73 clock-frequency = <400000>;
[all …]
Dimx6q-dhcom-pdk2.dts1 // SPDX-License-Identifier: (GPL-2.0+)
7 /dts-v1/;
9 #include "imx6q-dhcom-som.dtsi"
13 compatible = "dh,imx6q-dhcom-pdk2", "dh,imx6q-dhcom-som", "fsl,imx6q";
16 stdout-path = &uart1;
19 clk_ext_audio_codec: clock-codec {
20 compatible = "fixed-clock";
21 #clock-cells = <0>;
22 clock-frequency = <24000000>;
25 display_bl: display-bl {
[all …]
Dtegra20-paz00.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include <dt-bindings/input/input.h>
6 #include "tegra20-cpu-opp.dtsi"
7 #include "tegra20-cpu-opp-microvolt.dtsi"
21 stdout-path = "serial0:115200n8";
40 vdd-supply = <&hdmi_vdd_reg>;
41 pll-supply = <&hdmi_pll_reg>;
43 nvidia,ddc-i2c-bus = <&hdmi_ddc>;
44 nvidia,hpd-gpio = <&gpio TEGRA_GPIO(N, 7)
[all …]
Dtegra20-colibri.dtsi1 // SPDX-License-Identifier: GPL-2.0
22 nvidia,ddc-i2c-bus = <&hdmi_ddc>;
23 nvidia,hpd-gpio =
25 pll-supply = <&reg_1v8_avdd_hdmi_pll>;
26 vdd-supply = <&reg_3v3_avdd_hdmi>;
31 pinctrl-names = "default";
32 pinctrl-0 = <&state_default>;
35 /* Analogue Audio AC97 to WM9712 (On-module) */
36 audio-refclk {
51 * (All on-module), SODIMM Pin 45 Wakeup
[all …]
/linux-5.10/drivers/gpu/drm/amd/amdgpu/
Damdgpu_connectors.c2 * Copyright 2007-8 Advanced Micro Devices, Inc.
44 struct drm_device *dev = connector->dev; in amdgpu_connector_hotplug()
48 /* bail if the connector does not have hpd pin, e.g., in amdgpu_connector_hotplug()
51 if (amdgpu_connector->hpd.hpd == AMDGPU_HPD_NONE) in amdgpu_connector_hotplug()
54 amdgpu_display_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd); in amdgpu_connector_hotplug()
57 if (connector->dpms != DRM_MODE_DPMS_ON) in amdgpu_connector_hotplug()
61 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) { in amdgpu_connector_hotplug()
63 amdgpu_connector->con_priv; in amdgpu_connector_hotplug()
66 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT) in amdgpu_connector_hotplug()
70 dig_connector->dp_sink_type = amdgpu_atombios_dp_get_sinktype(amdgpu_connector); in amdgpu_connector_hotplug()
[all …]
/linux-5.10/drivers/gpu/drm/sun4i/
Dsun4i_hdmi.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
5 * Maxime Ripard <maxime.ripard@free-electrons.com>
15 #include <media/cec-pin.h>
37 #define SUN4I_HDMI_VID_TIMING_X(x) ((((x) - 1) & GENMASK(11, 0)))
38 #define SUN4I_HDMI_VID_TIMING_Y(y) ((((y) - 1) & GENMASK(11, 0)) << 16)
135 #define SUN4I_HDMI_DDC_FIFO_CTRL_RX_THRES_MAX (BIT(4) - 1)
138 #define SUN4I_HDMI_DDC_FIFO_CTRL_TX_THRES_MAX (BIT(4) - 1)
143 #define SUN4I_HDMI_DDC_BYTE_COUNT_MAX (BIT(10) - 1)
187 /* DDC CLK bit fields are the same, but the formula is not */
226 /* DDC FIFO register offset */
[all …]
/linux-5.10/drivers/gpu/drm/
Ddrm_bridge_connector.c1 // SPDX-License-Identifier: GPL-2.0+
40 * operation flags (&drm_bridge->ops) and bridge output type
41 * (&drm_bridge->type), as well as the DRM_BRIDGE_ATTACH_NO_CONNECTOR attach
46 * struct drm_bridge_connector - A connector backed by a chain of bridges
70 * hot-plug detection notification, if any (see &DRM_BRIDGE_OP_HPD).
92 /* -----------------------------------------------------------------------------
93 * Bridge Connector Hot-Plug Handling
104 drm_for_each_bridge_in_chain(bridge_connector->encoder, bridge) { in drm_bridge_connector_hpd_notify()
105 if (bridge->funcs->hpd_notify) in drm_bridge_connector_hpd_notify()
106 bridge->funcs->hpd_notify(bridge, status); in drm_bridge_connector_hpd_notify()
[all …]
/linux-5.10/drivers/gpu/drm/radeon/
Dradeon_connectors.c2 * Copyright 2007-8 Advanced Micro Devices, Inc.
46 if (ret == -EINVAL) in radeon_dp_handle_hpd()
52 struct drm_device *dev = connector->dev; in radeon_connector_hotplug()
53 struct radeon_device *rdev = dev->dev_private; in radeon_connector_hotplug()
56 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) { in radeon_connector_hotplug()
58 radeon_connector->con_priv; in radeon_connector_hotplug()
60 if (radeon_connector->is_mst_connector) in radeon_connector_hotplug()
62 if (dig_connector->is_mst) { in radeon_connector_hotplug()
67 /* bail if the connector does not have hpd pin, e.g., in radeon_connector_hotplug()
70 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) in radeon_connector_hotplug()
[all …]
/linux-5.10/drivers/gpu/vga/
Dvga_switcheroo.c2 * vga_switcheroo.c - Support for laptop with dual GPU using one set of outputs
33 #include <linux/apple-gmux.h>
65 * while others can switch just the DDC lines. (To allow EDID probing
71 * handler to control the power state of the discrete GPU, its ->switchto
72 * callback is a no-op for obvious reasons. The discrete GPU is often equipped
86 * a client may alternatively request that the DDC lines are temporarily
88 * only the DDC lines and not the entire output avoids unnecessary
93 * struct vga_switcheroo_client - registered client
105 * interface is a no-op so as not to interfere with runtime pm
131 * struct vgasr_priv - vga_switcheroo private data
[all …]
/linux-5.10/include/linux/
Dvga_switcheroo.h2 * vga_switcheroo.h - Support for laptop with dual GPU using one set of outputs
39 * enum vga_switcheroo_handler_flags_t - handler flags bitmask
41 * DDC lines separately. This signals to clients that they should call
47 * skip the AUX handshake and set up its output with these pre-calibrated
59 * enum vga_switcheroo_state - client power state
76 * enum vga_switcheroo_client_id - client identifier
94 * struct vga_switcheroo_handler - handler callbacks
96 * Optional. This gets called when vga_switcheroo is enabled, i.e. when
102 * Mandatory. For muxless machines this should be a no-op. Returning 0
105 * @switch_ddc: switch DDC lines to given client.
[all …]
/linux-5.10/include/media/i2c/
Dtc358743.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * tc358743 - Toshiba HDMI to CSI-2 bridge
10 * REF_01 - Toshiba, TC358743XBG (H2C), Functional Specification, Rev 0.60
11 * REF_02 - Toshiba, TC358743XBG_HDMI-CSI_Tv11p_nm.xls
35 /* DDC +5V debounce delay to avoid spurious interrupts when the cable
46 * level to somewhere in the middle (e.g. 300), so it can cover speed
73 /* DVI->HDMI detection delay to avoid unnecessary switching between DVI
/linux-5.10/drivers/bluetooth/
Dbtintel.c1 // SPDX-License-Identifier: GPL-2.0-or-later
41 if (skb->len != sizeof(*bda)) { in btintel_check_bdaddr()
44 return -EIO; in btintel_check_bdaddr()
47 bda = (struct hci_rp_read_bd_addr *)skb->data; in btintel_check_bdaddr()
50 * address 00:03:19:9E:8B:00 can be found. These controllers are in btintel_check_bdaddr()
54 if (!bacmp(&bda->bdaddr, BDADDR_INTEL)) { in btintel_check_bdaddr()
56 &bda->bdaddr); in btintel_check_bdaddr()
57 set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); in btintel_check_bdaddr()
145 if (err == -ENODATA) in btintel_set_diag()
199 if (skb->len != 13) { in btintel_hw_error()
[all …]
/linux-5.10/drivers/gpu/drm/tegra/
Ddrm.h1 /* SPDX-License-Identifier: GPL-2.0-only */
4 * Copyright (C) 2012-2013 NVIDIA CORPORATION. All rights reserved.
122 struct i2c_adapter *ddc; member
132 static inline struct tegra_output *encoder_to_output(struct drm_encoder *e) in encoder_to_output() argument
134 return container_of(e, struct tegra_output, encoder); in encoder_to_output()

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