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/linux/drivers/gpu/drm/msm/hdmi/
H A Dhdmi_bridge.c1 // SPDX-License-Identifier: GPL-2.0-only
12 #include "hdmi.h"
14 static void msm_hdmi_power_on(struct drm_bridge *bridge) in msm_hdmi_power_on() argument
16 struct drm_device *dev = bridge->dev; in msm_hdmi_power_on()
17 struct hdmi_bridge *hdmi_bridge = to_hdmi_bridge(bridge); in msm_hdmi_power_on()
18 struct hdmi *hdmi = hdmi_bridge->hdmi; in msm_hdmi_power_on() local
19 const struct hdmi_platform_config *config = hdmi->config; in msm_hdmi_power_on()
22 pm_runtime_get_sync(&hdmi->pdev->dev); in msm_hdmi_power_on()
24 ret = regulator_bulk_enable(config->pwr_reg_cnt, hdmi->pwr_regs); in msm_hdmi_power_on()
26 DRM_DEV_ERROR(dev->dev, "failed to enable pwr regulator: %d\n", ret); in msm_hdmi_power_on()
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H A Dhdmi_hpd.c1 // SPDX-License-Identifier: GPL-2.0-only
12 #include "hdmi.h"
14 static void msm_hdmi_phy_reset(struct hdmi *hdmi) in msm_hdmi_phy_reset() argument
18 val = hdmi_read(hdmi, REG_HDMI_PHY_CTRL); in msm_hdmi_phy_reset()
22 hdmi_write(hdmi, REG_HDMI_PHY_CTRL, in msm_hdmi_phy_reset()
26 hdmi_write(hdmi, REG_HDMI_PHY_CTRL, in msm_hdmi_phy_reset()
32 hdmi_write(hdmi, REG_HDMI_PHY_CTRL, in msm_hdmi_phy_reset()
36 hdmi_write(hdmi, REG_HDMI_PHY_CTRL, in msm_hdmi_phy_reset()
44 hdmi_write(hdmi, REG_HDMI_PHY_CTRL, in msm_hdmi_phy_reset()
48 hdmi_write(hdmi, REG_HDMI_PHY_CTRL, in msm_hdmi_phy_reset()
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H A Dhdmi.h1 /* SPDX-License-Identifier: GPL-2.0-only */
15 #include <linux/hdmi.h>
20 #include "hdmi.xml.h"
33 struct hdmi { struct
63 struct drm_bridge *bridge; member
67 /* the encoder we are hooked to (outside of hdmi block) */ argument
70 bool hdmi_mode; /* are we in hdmi mode? */ argument
109 struct hdmi *hdmi; member
114 void msm_hdmi_set_mode(struct hdmi *hdmi, bool power_on);
116 static inline void hdmi_write(struct hdmi *hdmi, u32 reg, u32 data) in hdmi_write() argument
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H A 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/drivers/gpu/drm/bridge/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
6 Bridge registration and lookup framework.
13 DRM bridge wrapper of DRM panels
21 Simple transparent bridge that is used by several non-DRM drivers to
29 Simple bridge that terminates the bridge chain and provides HPD
36 tristate "Chipone ICN6211 MIPI-DSI/RGB Converter bridge"
43 ICN6211 is MIPI-DSI/RGB Converter bridge from chipone.
55 Enable support for the Chrontel CH7033 VGA/DVI/HDMI Encoder, as
61 tristate "ChromeOS EC ANX7688 bridge"
67 ChromeOS EC ANX7688 is an ultra-low power
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H A Dite-it6263.c1 // SPDX-License-Identifier: GPL-2.0
10 #include <linux/hdmi.h>
12 #include <linux/media-bus-format.h>
31 /* -----------------------------------------------------------------------------
65 /* -----------------------------------------------------------------------------
66 * HDMI registers are separated into three banks:
67 * 1) HDMI register common bank: 0x00 ~ 0x2f
70 /* HDMI genernal registers */
87 /* HDMI System DDC control registers */
114 /* -----------------------------------------------------------------------------
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H A Ddisplay-connector.c1 // SPDX-License-Identifier: GPL-2.0
9 #include <linux/media-bus-format.h>
21 struct drm_bridge bridge; member
31 to_display_connector(struct drm_bridge *bridge) in to_display_connector() argument
33 return container_of(bridge, struct display_connector, bridge); in to_display_connector()
36 static int display_connector_attach(struct drm_bridge *bridge, in display_connector_attach() argument
39 return flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR ? 0 : -EINVAL; in display_connector_attach()
43 display_connector_detect(struct drm_bridge *bridge) in display_connector_detect() argument
45 struct display_connector *conn = to_display_connector(bridge); in display_connector_detect()
47 if (conn->hpd_gpio) { in display_connector_detect()
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H A Dlontium-lt9611.c1 // SPDX-License-Identifier: GPL-2.0
4 * Copyright (c) 2019-2020. Linaro Limited.
10 #include <linux/media-bus-format.h>
17 #include <sound/hdmi-codec.h>
39 struct drm_bridge bridge; member
89 static struct lt9611 *bridge_to_lt9611(struct drm_bridge *bridge) in bridge_to_lt9611() argument
91 return container_of(bridge, struct lt9611, bridge); in bridge_to_lt9611()
104 { 0x811c, 0x03 }, /* PortA clk lane no-LP mode */ in lt9611_mipi_input_analog()
105 { 0x8120, 0x03 }, /* PortB clk lane with-LP mode */ in lt9611_mipi_input_analog()
108 return regmap_multi_reg_write(lt9611->regmap, reg_cfg, ARRAY_SIZE(reg_cfg)); in lt9611_mipi_input_analog()
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/linux/drivers/gpu/drm/bridge/synopsys/
H A Ddw-hdmi-qp.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (c) 2021-2022 Rockchip Electronics Co., Ltd.
6 * Author: Algea Cao <algea.cao@rock-chips.com>
10 #include <linux/hdmi.h>
18 #include <drm/bridge/dw_hdmi_qp.h>
28 #include <sound/hdmi-codec.h>
30 #include "dw-hdmi-qp.h"
52 struct drm_bridge bridge; member
65 static void dw_hdmi_qp_write(struct dw_hdmi_qp *hdmi, unsigned int val, in dw_hdmi_qp_write() argument
68 regmap_write(hdmi->regm, offset, val); in dw_hdmi_qp_write()
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H A 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>
28 #include <drm/bridge/dw_hdmi.h>
39 #include "dw-hdmi-audio.h"
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/linux/drivers/gpu/drm/omapdrm/dss/
H A 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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H A 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/drivers/gpu/drm/mediatek/
H A Dmtk_hdmi.c1 // SPDX-License-Identifier: GPL-2.0-only
7 #include <linux/arm-smccc.h>
10 #include <linux/hdmi.h>
24 #include <sound/hdmi-codec.h>
155 struct drm_bridge bridge; member
187 return container_of(b, struct mtk_hdmi, bridge); in hdmi_ctx_from_bridge()
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()
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/linux/drivers/gpu/drm/meson/
H A 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>
40 struct drm_bridge bridge; member
49 container_of(x, struct meson_encoder_hdmi, bridge)
51 static int meson_encoder_hdmi_attach(struct drm_bridge *bridge, in meson_encoder_hdmi_attach() argument
54 struct meson_encoder_hdmi *encoder_hdmi = bridge_to_meson_encoder_hdmi(bridge); in meson_encoder_hdmi_attach()
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()
60 static void meson_encoder_hdmi_detach(struct drm_bridge *bridge) in meson_encoder_hdmi_detach() argument
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H A Dmeson_dw_hdmi.c1 // SPDX-License-Identifier: GPL-2.0-or-later
18 #include <drm/bridge/dw_hdmi.h>
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
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/linux/drivers/gpu/drm/imx/ipuv3/
H A Ddw_hdmi-imx.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (C) 2011-2013 Freescale Semiconductor, Inc.
4 * derived from imx-hdmi.c(renamed to bridge/dw_hdmi.c now)
9 #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
14 #include <video/imx-ipu-v3.h>
16 #include <drm/bridge/dw_hdmi.h>
25 #include "imx-drm.h"
31 struct imx_hdmi *hdmi; member
36 struct drm_bridge *bridge; member
37 struct dw_hdmi *hdmi; member
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/linux/drivers/gpu/drm/sti/
H A 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/Documentation/devicetree/bindings/display/bridge/
H A Dlontium,lt8912b.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/display/bridge/lontium,lt8912b.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Lontium LT8912B MIPI to HDMI Bridge
10 - Adrien Grassein <adrien.grassein@gmail.com>
13 The LT8912B is a bridge device which convert DSI to HDMI
18 - lontium,lt8912b
23 reset-gpios:
32 $ref: /schemas/graph.yaml#/$defs/port-base
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H A Dlontium,lt9611.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/display/bridge/lontium,lt9611.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Lontium LT9611(UXC) 2 Port MIPI to HDMI Bridge
10 - Vinod Koul <vkoul@kernel.org>
13 The LT9611 and LT9611UXC are bridge devices which convert DSI to HDMI
18 - lontium,lt9611
19 - lontium,lt9611uxc
24 "#sound-dai-cells":
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/linux/Documentation/gpu/bridge/
H A Ddw-hdmi.rst2 drm/bridge/dw-hdmi Synopsys DesignWare HDMI Controller
5 Synopsys DesignWare HDMI Controller
8 This section covers everything related to the Synopsys DesignWare HDMI
9 Controller implemented as a DRM bridge.
12 -------------------------------------
14 .. kernel-doc:: include/drm/bridge/dw_hdmi.h
/linux/include/drm/
H A Ddrm_bridge.h49 * enum drm_bridge_attach_flags - Flags for &drm_bridge_funcs.attach
53 * @DRM_BRIDGE_ATTACH_NO_CONNECTOR: When this flag is set the bridge
60 * struct drm_bridge_funcs - drm_bridge control functions
66 * This callback is invoked whenever our bridge is being attached to a
76 int (*attach)(struct drm_bridge *bridge,
82 * This callback is invoked whenever our bridge is being detached from a
87 void (*detach)(struct drm_bridge *bridge);
93 * bridge. This should be implemented if the bridge has some sort of
94 * restriction in the modes it can display. For example, a given bridge
111 * to look at anything else but the passed-in mode, and validate it
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/linux/drivers/gpu/drm/bridge/imx/
H A Dimx8mp-hdmi-pvi.c1 // SPDX-License-Identifier: GPL-2.0+
30 struct drm_bridge bridge; member
37 to_imx8mp_hdmi_pvi(struct drm_bridge *bridge) in to_imx8mp_hdmi_pvi() argument
39 return container_of(bridge, struct imx8mp_hdmi_pvi, bridge); in to_imx8mp_hdmi_pvi()
42 static int imx8mp_hdmi_pvi_bridge_attach(struct drm_bridge *bridge, in imx8mp_hdmi_pvi_bridge_attach() argument
45 struct imx8mp_hdmi_pvi *pvi = to_imx8mp_hdmi_pvi(bridge); in imx8mp_hdmi_pvi_bridge_attach()
47 return drm_bridge_attach(bridge->encoder, pvi->next_bridge, in imx8mp_hdmi_pvi_bridge_attach()
48 bridge, flags); in imx8mp_hdmi_pvi_bridge_attach()
51 static void imx8mp_hdmi_pvi_bridge_enable(struct drm_bridge *bridge, in imx8mp_hdmi_pvi_bridge_enable() argument
54 struct drm_atomic_state *state = bridge_state->base.state; in imx8mp_hdmi_pvi_bridge_enable()
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/linux/drivers/gpu/drm/display/
H A Ddrm_bridge_connector.c1 // SPDX-License-Identifier: GPL-2.0+
29 * The DRM bridge connector helper object provides a DRM connector
35 * To use the helper, display controller drivers create a bridge connector with
41 * The DRM bridge connector operations are implemented based on the operations
43 * to the bridge closest to the connector (at the end of the chain) that
46 * To make use of this helper, all bridges in the chain shall report bridge
47 * operation flags (&drm_bridge->ops) and bridge output type
48 * (&drm_bridge->type), as well as the DRM_BRIDGE_ATTACH_NO_CONNECTOR attach
53 * struct drm_bridge_connector - A connector backed by a chain of bridges
69 * The last bridge in the chain (closest to the connector) that provides
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/linux/drivers/gpu/drm/i915/display/
H A Dintel_lpe_audio.c24 * Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
31 * DOC: LPE Audio integration for HDMI or DP playback
34 * Atom platforms (e.g. valleyview and cherryTrail) integrates a DMA-based
41 * subsystems, a bridge is setup between the hdmi-lpe-audio and i915:
45 * the hdmi-lpe-audio driver probes the lpe audio device and creates a new
50 * uninstall the hdmi-lpe-audio driver before uninstalling i915 module,
51 * otherwise we might run into use-after-free issues after i915 removes the
52 * platform device: even though hdmi-lpe-audio driver is released, the modules
80 #define HAS_LPE_AUDIO(dev_priv) ((dev_priv)->display.audio.lpe.platdev != NULL)
85 struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev); in lpe_audio_platdev_create()
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/linux/drivers/gpu/drm/i2c/
H A Dtda998x_drv.c1 // SPDX-License-Identifier: GPL-2.0-only
9 #include <linux/hdmi.h>
15 #include <sound/hdmi-codec.h>
26 #include <media/cec-notifier.h>
54 struct i2c_client *hdmi; member
82 struct drm_bridge bridge; member
96 container_of(x, struct tda998x_priv, bridge)
410 .addr = priv->cec_addr, in cec_write()
416 ret = i2c_transfer(priv->hdmi->adapter, &msg, 1); in cec_write()
418 dev_err(&priv->hdmi->dev, "Error %d writing to cec:0x%x\n", in cec_write()
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