| /openbmc/linux/drivers/media/cec/platform/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
14 The CEC bus is present in the HDMI connector and enables communication
25 CEC bus is present in the HDMI connector and enables communication
37 This driver if for the new AO-CEC module found in G12A SoCs,
38 usually named AO_CEC_B in documentation.
40 CEC bus is present in the HDMI connector and enables communication
44 tristate "Generic GPIO-based CEC driver"
51 This is a generic GPIO-based CEC driver.
52 The CEC bus is present in the HDMI connector and enables communication
61 This is a driver for Samsung S5P HDMI CEC interface. It uses the
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| /openbmc/linux/drivers/gpu/drm/bridge/synopsys/ |
| H A D | dw-hdmi.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * DesignWare High-Definition Multimedia Interface (HDMI) driver
5 * Copyright (C) 2013-2015 Mentor Graphics Inc.
6 * Copyright (C) 2011-2013 Freescale Semiconductor, Inc.
12 #include <linux/hdmi.h>
20 #include <linux/dma-mapping.h>
23 #include <media/cec-notifier.h>
25 #include <uapi/linux/media-bus-format.h>
38 #include "dw-hdmi-audio.h"
39 #include "dw-hdmi-cec.h"
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| /openbmc/linux/Documentation/devicetree/bindings/display/ |
| H A D | amlogic,meson-dw-hdmi.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/display/amlogic,meson-dw-hdmi.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Amlogic specific extensions to the Synopsys Designware HDMI Controller
11 - Neil Armstrong <neil.armstrong@linaro.org>
14 - $ref: /schemas/sound/dai-common.yaml#
18 - A Synopsys DesignWare HDMI Controller IP
19 - A TOP control block controlling the Clocks and PHY
20 - A custom HDMI PHY in order to convert video to TMDS signal
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| H A D | brcm,bcm2711-hdmi.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/display/brcm,bcm2711-hdmi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Broadcom BCM2711 HDMI Controller
10 - Eric Anholt <eric@anholt.net>
15 - brcm,bcm2711-hdmi0
16 - brcm,bcm2711-hdmi1
20 - description: HDMI controller register range
21 - description: DVP register range
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| /openbmc/linux/Documentation/userspace-api/media/v4l/ |
| H A D | ext-ctrls-dv.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _dv-controls:
12 (Digital Visual Interface), HDMI (:ref:`hdmi`) and DisplayPort
15 only exposed on the ``/dev/v4l-subdev*`` device node.
20 hooked up to e.g. HDMI connectors. Even though the subdevice will
23 Identification Data, :ref:`vesaedid`) and HDCP (High-bandwidth Digital
25 device to do the fairly slow EDID/HDCP handling in advance. This allows
28 These pads appear in several of the controls in this section as
33 .. _dv-control-id:
47 read-only control is applicable to DVI-D, HDMI and DisplayPort
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| /openbmc/linux/drivers/video/fbdev/omap2/omapfb/displays/ |
| H A D | connector-hdmi.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * HDMI Connector driver
39 struct omap_dss_device *in; member
53 struct omap_dss_device *in = ddata->in; in hdmic_connect() local
55 dev_dbg(ddata->dev, "connect\n"); in hdmic_connect()
60 return in->ops.hdmi->connect(in, dssdev); in hdmic_connect()
66 struct omap_dss_device *in = ddata->in; in hdmic_disconnect() local
68 dev_dbg(ddata->dev, "disconnect\n"); in hdmic_disconnect()
73 in->ops.hdmi->disconnect(in, dssdev); in hdmic_disconnect()
79 struct omap_dss_device *in = ddata->in; in hdmic_enable() local
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| H A D | encoder-tpd12s015.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * TPD12S015 HDMI ESD protection & level shifter chip driver
21 struct omap_dss_device *in; member
36 struct omap_dss_device *in = ddata->in; in tpd_connect() local
39 r = in->ops.hdmi->connect(in, dssdev); in tpd_connect()
43 dst->src = dssdev; in tpd_connect()
44 dssdev->dst = dst; in tpd_connect()
46 if (ddata->ct_cp_hpd_gpio) { in tpd_connect()
47 gpiod_set_value_cansleep(ddata->ct_cp_hpd_gpio, 1); in tpd_connect()
48 /* DC-DC converter needs at max 300us to get to 90% of 5V */ in tpd_connect()
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| /openbmc/linux/Documentation/userspace-api/media/cec/ |
| H A D | cec-intro.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _cec-intro:
8 HDMI connectors provide a single pin for use by the Consumer Electronics
10 HDMI cable to communicate. The protocol for CEC version 1.4 is defined
11 in supplements 1 (CEC) and 2 (HEAC or HDMI Ethernet and Audio Return
12 Channel) of the HDMI 1.4a (:ref:`hdmi`) specification and the
13 extensions added to CEC version 2.0 are defined in chapter 11 of the
14 HDMI 2.0 (:ref:`hdmi2`) specification.
17 and is based on the ancient AV.link protocol used in old SCART
24 In addition, CEC can be implemented in HDMI receivers, transmitters and
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| /openbmc/linux/Documentation/devicetree/bindings/sound/ |
| H A D | imx-audio-hdmi.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/imx-audio-hdmi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: NXP i.MX audio complex with HDMI
10 - Shengjiu Wang <shengjiu.wang@nxp.com>
15 - fsl,imx-audio-hdmi
16 - fsl,imx-audio-sii902x
22 audio-cpu:
26 hdmi-out:
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| /openbmc/linux/drivers/video/ |
| H A D | hdmi.c | 6 * to deal in the Software without restriction, including without limitation
12 * next paragraph) shall be included in all copies or substantial portions
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
29 #include <linux/hdmi.h>
44 return 256 - csum; in hdmi_infoframe_checksum()
55 * hdmi_avi_infoframe_init() - initialize an HDMI AVI infoframe
56 * @frame: HDMI AVI infoframe
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| /openbmc/linux/Documentation/admin-guide/media/ |
| H A D | cec.rst | 1 .. SPDX-License-Identifier: GPL-2.0
4 HDMI CEC
7 Supported hardware in mainline
10 HDMI Transmitters:
12 - Exynos4
13 - Exynos5
14 - STIH4xx HDMI CEC
15 - V4L2 adv7511 (same HW, but a different driver from the drm adv7511)
16 - stm32
17 - Allwinner A10 (sun4i)
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| H A D | building.rst | 1 .. SPDX-License-Identifier: GPL-2.0
8 distribution-specific source file or via the Kernel's main git tree\ [1]_.
12 - you're a braveheart and want to experiment with new stuff;
13 - if you want to report a bug;
14 - if you're developing new patches
20 In this case, you may find some useful information at the
23 https://linuxtv.org/wiki/index.php/How_to_Obtain,_Build_and_Install_V4L-DVB_Device_Drivers
50 Device Drivers --->
51 <M> Remote Controller support --->
52 [ ] HDMI CEC RC integration
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| /openbmc/u-boot/drivers/video/ |
| H A D | dw_hdmi.c | 1 // SPDX-License-Identifier: GPL-2.0+
74 static void dw_hdmi_write(struct dw_hdmi *hdmi, u8 val, int offset) in dw_hdmi_write() argument
76 switch (hdmi->reg_io_width) { in dw_hdmi_write()
78 writeb(val, hdmi->ioaddr + offset); in dw_hdmi_write()
81 writel(val, hdmi->ioaddr + (offset << 2)); in dw_hdmi_write()
89 static u8 dw_hdmi_read(struct dw_hdmi *hdmi, int offset) in dw_hdmi_read() argument
91 switch (hdmi->reg_io_width) { in dw_hdmi_read()
93 return readb(hdmi->ioaddr + offset); in dw_hdmi_read()
95 return readl(hdmi->ioaddr + (offset << 2)); in dw_hdmi_read()
104 static u8 (*hdmi_read)(struct dw_hdmi *hdmi, int offset) = dw_hdmi_read;
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| /openbmc/linux/drivers/gpu/drm/msm/hdmi/ |
| H A D | hdmi_hdcp.c | 1 // SPDX-License-Identifier: GPL-2.0-only
2 /* Copyright (c) 2010-2015, The Linux Foundation. All rights reserved.
5 #include "hdmi.h"
21 /* QFPROM Registers for HDMI/HDCP */
49 struct hdmi *hdmi; member
78 static int msm_hdmi_ddc_read(struct hdmi *hdmi, u16 addr, u8 offset, in msm_hdmi_ddc_read() argument
99 rc = i2c_transfer(hdmi->i2c, msgs, 2); in msm_hdmi_ddc_read()
101 retry--; in msm_hdmi_ddc_read()
107 rc = -EIO; in msm_hdmi_ddc_read()
116 static int msm_hdmi_ddc_write(struct hdmi *hdmi, u16 addr, u8 offset, in msm_hdmi_ddc_write() argument
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| /openbmc/linux/sound/soc/meson/ |
| H A D | aiu-codec-ctrl.c | 1 // SPDX-License-Identifier: GPL-2.0
9 #include <sound/soc-dai.h>
11 #include <dt-bindings/sound/meson-aiu.h>
13 #include "meson-codec-glue.h"
30 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; in aiu_codec_ctrl_mux_put_enum()
33 mux = snd_soc_enum_item_to_val(e, ucontrol->value.enumerated.item[0]); in aiu_codec_ctrl_mux_put_enum()
34 changed = snd_soc_component_test_bits(component, e->reg, in aiu_codec_ctrl_mux_put_enum()
45 snd_soc_component_update_bits(component, e->reg, in aiu_codec_ctrl_mux_put_enum()
52 snd_soc_component_update_bits(component, e->reg, in aiu_codec_ctrl_mux_put_enum()
68 SOC_DAPM_ENUM_EXT("HDMI Source", aiu_hdmi_ctrl_mux_enum,
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| /openbmc/linux/Documentation/devicetree/bindings/display/rockchip/ |
| H A D | rockchip,dw-hdmi.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/display/rockchip/rockchip,dw-hdmi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Rockchip DWC HDMI TX Encoder
10 - Mark Yao <markyao0591@gmail.com>
13 The HDMI transmitter is a Synopsys DesignWare HDMI 1.4 TX controller IP
17 - $ref: ../bridge/synopsys,dw-hdmi.yaml#
22 - rockchip,rk3228-dw-hdmi
23 - rockchip,rk3288-dw-hdmi
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| /openbmc/linux/drivers/gpu/drm/bridge/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
19 tristate "Chipone ICN6211 MIPI-DSI/RGB Converter bridge"
26 ICN6211 is MIPI-DSI/RGB Converter bridge from chipone.
31 If in doubt, say "N".
38 Enable support for the Chrontel CH7033 VGA/DVI/HDMI Encoder, as
39 found in the Dell Wyse 3020 thin client.
41 If in doubt, say "N".
50 ChromeOS EC ANX7688 is an ultra-low power
51 4K Ultra-HD (4096x2160p60) mobile HD transmitter
52 designed for ChromeOS devices. It converts HDMI
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| /openbmc/linux/drivers/gpu/drm/sti/ |
| H A D | sti_hdmi.c | 1 // SPDX-License-Identifier: GPL-2.0
10 #include <linux/hdmi.h>
26 #include <sound/hdmi-codec.h>
96 #define HDMI_IFRAME_CFG_DI_N(x, n) ((x) << ((n-1)*4)) /* n from 1 to 6 */
164 struct sti_hdmi *hdmi; member
177 u32 hdmi_read(struct sti_hdmi *hdmi, int offset) in hdmi_read() argument
179 return readl(hdmi->regs + offset); in hdmi_read()
182 void hdmi_write(struct sti_hdmi *hdmi, u32 val, int offset) in hdmi_write() argument
184 writel(val, hdmi->regs + offset); in hdmi_write()
188 * HDMI interrupt handler threaded
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| /openbmc/linux/drivers/gpu/drm/mediatek/ |
| H A D | mtk_hdmi.c | 1 // SPDX-License-Identifier: GPL-2.0-only
7 #include <linux/arm-smccc.h>
10 #include <linux/hdmi.h>
24 #include <sound/hdmi-codec.h>
190 static u32 mtk_hdmi_read(struct mtk_hdmi *hdmi, u32 offset) in mtk_hdmi_read() argument
192 return readl(hdmi->regs + offset); in mtk_hdmi_read()
195 static void mtk_hdmi_write(struct mtk_hdmi *hdmi, u32 offset, u32 val) in mtk_hdmi_write() argument
197 writel(val, hdmi->regs + offset); in mtk_hdmi_write()
200 static void mtk_hdmi_clear_bits(struct mtk_hdmi *hdmi, u32 offset, u32 bits) in mtk_hdmi_clear_bits() argument
202 void __iomem *reg = hdmi->regs + offset; in mtk_hdmi_clear_bits()
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| /openbmc/linux/drivers/media/i2c/adv748x/ |
| H A D | adv748x-hdmi.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * Driver for Analog Devices ADV748X HDMI receiver and Component Processor (CP)
11 #include <media/v4l2-ctrls.h>
12 #include <media/v4l2-device.h>
13 #include <media/v4l2-dv-timings.h>
14 #include <media/v4l2-ioctl.h>
16 #include <uapi/linux/v4l2-dv-timings.h>
20 /* -----------------------------------------------------------------------------
21 * HDMI and CP
29 /* V4L2_DV_BT_CEA_720X480I59_94 - 0.5 MHz */
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| /openbmc/linux/sound/soc/codecs/ |
| H A D | hdac_hdmi.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * hdac_hdmi.c - ASoc HDA-HDMI codec driver for Intel platforms
5 * Copyright (C) 2014-2015 Intel Corp
17 #include <linux/hdmi.h>
108 unsigned char chmap[8]; /* ALSA API channel-map */
141 #define hdev_to_hdmi_priv(_hdev) dev_get_drvdata(&(_hdev)->dev)
144 hdac_hdmi_get_pcm_from_cvt(struct hdac_hdmi_priv *hdmi, in hdac_hdmi_get_pcm_from_cvt() argument
149 list_for_each_entry(pcm, &hdmi->pcm_list, head) { in hdac_hdmi_get_pcm_from_cvt()
150 if (pcm->cvt == cvt) in hdac_hdmi_get_pcm_from_cvt()
160 struct hdac_device *hdev = port->pin->hdev; in hdac_hdmi_jack_report()
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| /openbmc/linux/sound/pci/hda/ |
| H A D | patch_hdmi.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * patch_hdmi.c - routines for HDMI/DisplayPort codecs
6 * Copyright(c) 2008-2010 Intel Corporation. All rights reserved.
48 MODULE_PARM_DESC(enable_silent_stream, "Enable Silent Stream for HDMI devices");
82 struct hdmi_pcm *pcm; /* pointer to spec->pcm_rec[n] dynamically*/
83 int pcm_idx; /* which pcm is attached. -1 means no pcm is attached */
90 bool chmap_set; /* channel-map override by ALSA API? */
91 unsigned char chmap[8]; /* ALSA API channel-map */
127 SILENT_STREAM_KAE, /* use standard HDA Keep-Alive */
145 * In the above example, num_nids is 3
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| /openbmc/linux/Documentation/devicetree/bindings/display/ti/ |
| H A D | ti,omap-dss.txt | 5 -------------------
8 Binding details for each OMAP SoC version are described in respective binding
22 HDMI, MIPI DPI, etc.
25 -----------
28 video ports is described in Documentation/devicetree/bindings/graph.txt,
30 described in the SoC's DSS binding documentation.
36 -------
39 name for each display. If no aliases are defined, a semi-random number is used
43 -------
45 A shortened example of the DSS description for OMAP4, with non-relevant parts
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| /openbmc/linux/drivers/gpu/drm/meson/ |
| H A D | meson_dw_hdmi.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
32 #define DRIVER_NAME "meson-dw-hdmi"
33 #define DRIVER_DESC "Amlogic Meson HDMI-TX DRM driver"
36 * DOC: HDMI Output
38 * HDMI Output is composed of :
40 * - A Synopsys DesignWare HDMI Controller IP
41 * - A TOP control block controlling the Clocks and PHY
42 * - A custom HDMI PHY in order convert video to TMDS signal
47 * | HDMI TOP |<= HPD
50 * | Synopsys HDMI | HDMI PHY |=> TMDS
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| /openbmc/u-boot/doc/ |
| H A D | README.video | 1 SPDX-License-Identifier: GPL-2.0+
4 * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
7 "video-mode" environment variable
10 The 'video-mode' environment variable can be used to enable and configure
11 some video drivers. The format matches the video= command-line option used
14 video-mode=<driver>:<xres>x<yres>-<depth>@<freq><,option=string>
16 <driver> The video driver name, ignored by U-Boot
17 <xres> The X resolution (in pixels) to use.
18 <yres> The Y resolution (in pixels) to use.
19 <depth> The color depth (in bits) to use.
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