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/linux-6.12.1/drivers/gpu/drm/display/
Ddrm_hdmi_state_helper.c1 // SPDX-License-Identifier: MIT
12 * __drm_atomic_helper_connector_hdmi_reset() - Initializes all HDMI @drm_connector_state resources
13 * @connector: DRM connector
14 * @new_conn_state: connector state to reset
16 * Initializes all HDMI resources from a @drm_connector_state without
17 * actually allocating it. This is useful for HDMI drivers, in
21 void __drm_atomic_helper_connector_hdmi_reset(struct drm_connector *connector, in __drm_atomic_helper_connector_hdmi_reset() argument
24 unsigned int max_bpc = connector->max_bpc; in __drm_atomic_helper_connector_hdmi_reset()
26 new_conn_state->max_bpc = max_bpc; in __drm_atomic_helper_connector_hdmi_reset()
27 new_conn_state->max_requested_bpc = max_bpc; in __drm_atomic_helper_connector_hdmi_reset()
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Ddrm_hdmi_helper.c1 // SPDX-License-Identifier: MIT
18 * drm_hdmi_infoframe_set_hdr_metadata() - fill an HDMI DRM infoframe with
20 * @frame: HDMI DRM infoframe
21 * @conn_state: Connector state containing HDR metadata
28 struct drm_connector *connector; in drm_hdmi_infoframe_set_hdr_metadata() local
33 return -EINVAL; in drm_hdmi_infoframe_set_hdr_metadata()
35 connector = conn_state->connector; in drm_hdmi_infoframe_set_hdr_metadata()
37 if (!conn_state->hdr_output_metadata) in drm_hdmi_infoframe_set_hdr_metadata()
38 return -EINVAL; in drm_hdmi_infoframe_set_hdr_metadata()
40 hdr_metadata = conn_state->hdr_output_metadata->data; in drm_hdmi_infoframe_set_hdr_metadata()
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/linux-6.12.1/drivers/gpu/drm/rockchip/
Dinno_hdmi.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * Zheng Yang <zhengyang@rock-chips.com>
5 * Yakir Yang <ykk@rock-chips.com>
12 #include <linux/hdmi.h>
62 struct drm_connector connector; member
83 static struct inno_hdmi *connector_to_inno_hdmi(struct drm_connector *connector) in connector_to_inno_hdmi() argument
85 return container_of(connector, struct inno_hdmi, connector); in connector_to_inno_hdmi()
100 * Cb = -0.291G - 0.148R + 0.439B + 128
102 * Cr = -0.368G + 0.439R - 0.071B + 128
111 * Cb = - 0.338G - 0.101R + 0.439B + 128
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Drk3066_hdmi.c1 // SPDX-License-Identifier: GPL-2.0
4 * Zheng Yang <zhengyang@rock-chips.com>
49 struct drm_connector connector; member
67 static struct rk3066_hdmi *connector_to_rk3066_hdmi(struct drm_connector *connector) in connector_to_rk3066_hdmi() argument
69 return container_of(connector, struct rk3066_hdmi, connector); in connector_to_rk3066_hdmi()
72 static inline u8 hdmi_readb(struct rk3066_hdmi *hdmi, u16 offset) in hdmi_readb() argument
74 return readl_relaxed(hdmi->regs + offset); in hdmi_readb()
77 static inline void hdmi_writeb(struct rk3066_hdmi *hdmi, u16 offset, u32 val) in hdmi_writeb() argument
79 writel_relaxed(val, hdmi->regs + offset); in hdmi_writeb()
82 static inline void hdmi_modb(struct rk3066_hdmi *hdmi, u16 offset, in hdmi_modb() argument
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/linux-6.12.1/drivers/gpu/drm/sun4i/
Dsun4i_hdmi_enc.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Maxime Ripard <maxime.ripard@free-electrons.com>
41 container_of_const(c, struct sun4i_hdmi, connector)
43 static int sun4i_hdmi_write_infoframe(struct drm_connector *connector, in sun4i_hdmi_write_infoframe() argument
47 struct sun4i_hdmi *hdmi = drm_connector_to_sun4i_hdmi(connector); in sun4i_hdmi_write_infoframe() local
51 drm_err(connector->dev, in sun4i_hdmi_write_infoframe()
57 writeb(buffer[i], hdmi->base + SUN4I_HDMI_AVI_INFOFRAME_REG(i)); in sun4i_hdmi_write_infoframe()
66 struct sun4i_hdmi *hdmi = drm_encoder_to_sun4i_hdmi(encoder); in sun4i_hdmi_disable() local
69 DRM_DEBUG_DRIVER("Disabling the HDMI Output\n"); in sun4i_hdmi_disable()
71 val = readl(hdmi->base + SUN4I_HDMI_VID_CTRL_REG); in sun4i_hdmi_disable()
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/linux-6.12.1/drivers/media/cec/platform/
DKconfig1 # 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,
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
63 CEC bus is present in the HDMI connector and enables communication
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/linux-6.12.1/drivers/gpu/drm/sti/
Dsti_hdmi.c1 // 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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/linux-6.12.1/drivers/gpu/drm/tests/
Ddrm_hdmi_state_helper_test.c1 // SPDX-License-Identifier: GPL-2.0
34 struct drm_connector connector; member
41 container_of_const(c, struct drm_atomic_helper_connector_hdmi_priv, connector)
43 static struct drm_display_mode *find_preferred_mode(struct drm_connector *connector) in find_preferred_mode() argument
45 struct drm_device *drm = connector->dev; in find_preferred_mode()
48 mutex_lock(&drm->mode_config.mutex); in find_preferred_mode()
49 preferred = list_first_entry(&connector->modes, struct drm_display_mode, head); in find_preferred_mode()
50 list_for_each_entry(mode, &connector->modes, head) in find_preferred_mode()
51 if (mode->type & DRM_MODE_TYPE_PREFERRED) in find_preferred_mode()
53 mutex_unlock(&drm->mode_config.mutex); in find_preferred_mode()
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Ddrm_connector_test.c1 // SPDX-License-Identifier: GPL-2.0
23 struct drm_connector connector; member
73 strscpy(priv->ddc.name, "dummy-connector-ddc", sizeof(priv->ddc.name)); in drm_test_connector_init()
74 priv->ddc.owner = THIS_MODULE; in drm_test_connector_init()
75 priv->ddc.algo = &dummy_ddc_algorithm; in drm_test_connector_init()
76 priv->ddc.dev.parent = dev; in drm_test_connector_init()
78 ret = i2c_add_adapter(&priv->ddc); in drm_test_connector_init()
81 ret = kunit_add_action_or_reset(test, i2c_del_adapter_wrapper, &priv->ddc); in drm_test_connector_init()
84 test->priv = priv; in drm_test_connector_init()
89 * Test that the registration of a bog standard connector works as
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/linux-6.12.1/drivers/gpu/drm/loongson/
Dlsdc_output_7a2000.c1 // SPDX-License-Identifier: GPL-2.0+
18 * Display pipe 0 is attached with a built-in transparent VGA encoder and
19 * a built-in HDMI encoder.
20 * Display pipe 1 has only one built-in HDMI encoder connected.
22 * | +-----+ | | |
23 * | CRTC0 -+--> | VGA | ----> VGA Connector ---> | VGA Monitor |<---+
24 * | | +-----+ | |_____________| |
26 * | | +------+ | | | |
27 * | +--> | HDMI | ----> HDMI Connector --> | HDMI Monitor |<--+
28 * | +------+ | |______________| |
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/linux-6.12.1/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#
7 title: HDMI Connector
10 - Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
14 const: hdmi-connector
17 description: The HDMI connector type
19 - a # Standard full size
20 - b # Never deployed?
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/linux-6.12.1/include/drm/
Ddrm_connector.h29 #include <linux/hdmi.h>
55 DRM_FORCE_ON_DIGITAL, /* for DVI-I use digital connector */
59 * enum drm_connector_status - status for a &drm_connector
61 * This enum is used to track the connector status. There are no separate
66 * @connector_status_connected: The connector is definitely connected to
71 * @connector_status_disconnected: The connector isn't connected to a
73 * HDMI (which can be realiable probed) this means there's really
74 * nothing there. It is driver-dependent whether a connector with this
79 * @connector_status_unknown: The connector's status could not be
81 * flicker (like load-detection when the connector is in use), or when a
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/linux-6.12.1/drivers/gpu/drm/i915/display/
Dintel_hdmi.c3 * Copyright © 2006-2009 Intel Corporation
30 #include <linux/hdmi.h>
71 drm_WARN(display->drm, in assert_hdmi_port_disabled()
72 intel_de_read(display, intel_hdmi->hdmi_reg) & enabled_bits, in assert_hdmi_port_disabled()
73 "HDMI port enabled, expecting disabled\n"); in assert_hdmi_port_disabled()
80 drm_WARN(display->drm, in assert_hdmi_transcoder_func_disabled()
83 "HDMI transcoder function enabled, expecting disabled\n"); in assert_hdmi_transcoder_func_disabled()
214 drm_WARN(display->drm, !(val & VIDEO_DIP_ENABLE), in g4x_write_infoframe()
265 if ((val & VIDEO_DIP_PORT_MASK) != VIDEO_DIP_PORT(encoder->port)) in g4x_infoframes_enabled()
279 struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); in ibx_write_infoframe()
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/linux-6.12.1/drivers/gpu/drm/bridge/synopsys/
Ddw-hdmi.c1 // 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>
39 #include "dw-hdmi-audio.h"
40 #include "dw-hdmi-cec.h"
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/linux-6.12.1/drivers/gpu/drm/tegra/
Dhdmi.c1 // SPDX-License-Identifier: GPL-2.0-only
10 #include <linux/hdmi.h>
21 #include <sound/hdmi-codec.h>
35 #include "hdmi.h"
68 struct regulator *hdmi; member
114 static inline u32 tegra_hdmi_readl(struct tegra_hdmi *hdmi, in tegra_hdmi_readl() argument
117 u32 value = readl(hdmi->regs + (offset << 2)); in tegra_hdmi_readl()
119 trace_hdmi_readl(hdmi->dev, offset, value); in tegra_hdmi_readl()
124 static inline void tegra_hdmi_writel(struct tegra_hdmi *hdmi, u32 value, in tegra_hdmi_writel() argument
127 trace_hdmi_writel(hdmi->dev, offset, value); in tegra_hdmi_writel()
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/linux-6.12.1/drivers/gpu/drm/meson/
Dmeson_encoder_hdmi.c1 // SPDX-License-Identifier: GPL-2.0-or-later
19 #include <media/cec-notifier.h>
29 #include <linux/media-bus-format.h>
42 struct drm_connector *connector; member
56 return drm_bridge_attach(bridge->encoder, encoder_hdmi->next_bridge, in meson_encoder_hdmi_attach()
57 &encoder_hdmi->bridge, flags); in meson_encoder_hdmi_attach()
64 cec_notifier_conn_unregister(encoder_hdmi->cec_notifier); in meson_encoder_hdmi_detach()
65 encoder_hdmi->cec_notifier = NULL; in meson_encoder_hdmi_detach()
71 struct meson_drm *priv = encoder_hdmi->priv; in meson_encoder_hdmi_set_vclk()
78 vclk_freq = mode->clock; in meson_encoder_hdmi_set_vclk()
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/linux-6.12.1/include/media/
Dcec-notifier.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * cec-notifier.h - notify CEC drivers of physical address changes
6 * Copyright 2016-2017 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
23 * cec_notifier_conn_register - find or create a new cec_notifier for the given
24 * HDMI device and connector tuple.
25 * @hdmi_dev: HDMI device that sends the events.
26 * @port_name: the connector name from which the event occurs. May be NULL
27 * if there is always only one HDMI connector created by the HDMI device.
28 * @conn_info: the connector info from which the event occurs (may be NULL)
30 * If a notifier for device @dev and connector @port_name already exists, then
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/linux-6.12.1/drivers/gpu/drm/msm/hdmi/
Dhdmi.c1 // SPDX-License-Identifier: GPL-2.0-only
16 #include <sound/hdmi-codec.h>
17 #include "hdmi.h"
19 void msm_hdmi_set_mode(struct hdmi *hdmi, bool power_on) in msm_hdmi_set_mode() argument
24 spin_lock_irqsave(&hdmi->reg_lock, flags); in msm_hdmi_set_mode()
27 if (!hdmi->hdmi_mode) { in msm_hdmi_set_mode()
29 hdmi_write(hdmi, REG_HDMI_CTRL, ctrl); in msm_hdmi_set_mode()
38 hdmi_write(hdmi, REG_HDMI_CTRL, ctrl); in msm_hdmi_set_mode()
39 spin_unlock_irqrestore(&hdmi->reg_lock, flags); in msm_hdmi_set_mode()
40 DBG("HDMI Core: %s, HDMI_CTRL=0x%08x", in msm_hdmi_set_mode()
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/linux-6.12.1/Documentation/devicetree/bindings/display/ti/
Dti,omap-dss.txt5 -------------------
22 HDMI, MIPI DPI, etc.
25 -----------
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
49 compatible = "ti,omap4-dss";
54 clock-names = "fck";
55 #address-cells = <1>;
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/linux-6.12.1/drivers/gpu/drm/omapdrm/dss/
Dhdmi5.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * HDMI driver for OMAP5
5 * Copyright (C) 2014 Texas Instruments Incorporated - https://www.ti.com/
14 #define DSS_SUBSYS_NAME "HDMI"
31 #include <sound/omap-hdmi-audio.h>
41 static int hdmi_runtime_get(struct omap_hdmi *hdmi) in hdmi_runtime_get() argument
47 r = pm_runtime_get_sync(&hdmi->pdev->dev); in hdmi_runtime_get()
49 pm_runtime_put_noidle(&hdmi->pdev->dev); in hdmi_runtime_get()
55 static void hdmi_runtime_put(struct omap_hdmi *hdmi) in hdmi_runtime_put() argument
61 r = pm_runtime_put_sync(&hdmi->pdev->dev); in hdmi_runtime_put()
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Dhdmi4.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * HDMI interface DSS driver for TI's OMAP4 family of SoCs.
5 * Copyright (C) 2010-2011 Texas Instruments Incorporated - https://www.ti.com/
10 #define DSS_SUBSYS_NAME "HDMI"
27 #include <sound/omap-hdmi-audio.h>
38 #include "hdmi.h"
40 static int hdmi_runtime_get(struct omap_hdmi *hdmi) in hdmi_runtime_get() argument
46 r = pm_runtime_get_sync(&hdmi->pdev->dev); in hdmi_runtime_get()
48 pm_runtime_put_noidle(&hdmi->pdev->dev); in hdmi_runtime_get()
54 static void hdmi_runtime_put(struct omap_hdmi *hdmi) in hdmi_runtime_put() argument
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/linux-6.12.1/drivers/gpu/drm/vc4/
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
16 * HDMI infoframes are kept within a small packet ram, where each
19 * HDMI audio is implemented entirely within the HDMI IP block. A
20 * register in the HDMI encoder takes SPDIF frames from the DMA engine
21 * and transfers them over an internal MAI (multi-channel audio
25 * The driver's HDMI encoder does not yet support power management.
26 * The HDMI encoder's power domain and the HSM/pixel clocks are kept
27 * continuously running, and only the HDMI logic and packet ram are
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/linux-6.12.1/drivers/video/fbdev/omap2/omapfb/displays/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
17 tristate "TPD12S015 HDMI ESD protection and level shifter"
19 Driver for TPD12S015, which offers HDMI ESD protection and level
23 tristate "DVI Connector"
26 Driver for a generic DVI connector.
29 tristate "HDMI Connector"
31 Driver for a generic HDMI connector.
34 tristate "Analog TV Connector"
36 Driver for a generic analog TV connector.
/linux-6.12.1/drivers/gpu/drm/bridge/
Ddisplay-connector.c1 // SPDX-License-Identifier: GPL-2.0
9 #include <linux/media-bus-format.h>
39 return flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR ? 0 : -EINVAL; in display_connector_attach()
47 if (conn->hpd_gpio) { in display_connector_detect()
48 if (gpiod_get_value_cansleep(conn->hpd_gpio)) in display_connector_detect()
54 if (conn->bridge.ddc && drm_probe_ddc(conn->bridge.ddc)) in display_connector_detect()
57 switch (conn->bridge.type) { in display_connector_detect()
64 * For DVI and HDMI connectors a DDC probe failure indicates in display_connector_detect()
74 * Composite and S-Video connectors have no other detection in display_connector_detect()
85 struct drm_connector *connector) in display_connector_edid_read() argument
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/linux-6.12.1/drivers/gpu/drm/
Ddrm_edid.c3 * Copyright (c) 2007-2008 Intel Corporation
24 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
34 #include <linux/hdmi.h>
83 /* Force reduced-blanking timings for detailed modes */
101 struct drm_connector *connector; member
141 /* BOE model on HP Pavilion 15-n233sl reports 8 bpc, but is a 6 bpc panel */
147 /* SDC panel of Lenovo B50-80 reports 8 bpc, but is a 6 bpc panel */
157 /* Envision Peripherals, Inc. EN-7100e */
175 /* LG Philips LCD LP154W01-A5 */
181 /* Samsung SyncMaster 22[5-6]BW */
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