From: Paul Kocialkowski <paul.kocialkowski@bootlin.com> To: linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev Cc: Yong Deng <yong.deng@magewell.com>, Paul Kocialkowski <paul.kocialkowski@bootlin.com>, Mauro Carvalho Chehab <mchehab@kernel.org>, Chen-Yu Tsai <wens@csie.org>, Jernej Skrabec <jernej.skrabec@gmail.com>, Samuel Holland <samuel@sholland.org>, Laurent Pinchart <laurent.pinchart@ideasonboard.com>, Maxime Ripard <mripard@kernel.org>, Thomas Petazzoni <thomas.petazzoni@bootlin.com> Subject: [PATCH v7 24/28] media: sun6i-csi: Add support for MIPI CSI-2 to the bridge code Date: Thu, 3 Nov 2022 17:31:09 +0100 [thread overview] Message-ID: <20221103163113.245462-25-paul.kocialkowski@bootlin.com> (raw) In-Reply-To: <20221103163113.245462-1-paul.kocialkowski@bootlin.com> Introduce MIPI CSI-2 support to the bridge with a new port, source and hardware configuration helper. Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com> Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com> --- .../platform/sunxi/sun6i-csi/sun6i_csi.h | 1 + .../sunxi/sun6i-csi/sun6i_csi_bridge.c | 46 +++++++++++++++++-- .../sunxi/sun6i-csi/sun6i_csi_bridge.h | 1 + 3 files changed, 44 insertions(+), 4 deletions(-) diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h index fd6e98b66f12..e611bdd6e9b2 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h @@ -20,6 +20,7 @@ enum sun6i_csi_port { SUN6I_CSI_PORT_PARALLEL = 0, + SUN6I_CSI_PORT_MIPI_CSI2 = 1, }; struct sun6i_csi_buffer { diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.c index c82270ac8759..69c1fa7151d9 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.c +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.c @@ -226,7 +226,7 @@ static void sun6i_csi_bridge_disable(struct sun6i_csi_device *csi_dev) } static void -sun6i_csi_bridge_configure_interface(struct sun6i_csi_device *csi_dev) +sun6i_csi_bridge_configure_parallel(struct sun6i_csi_device *csi_dev) { struct device *dev = csi_dev->dev; struct regmap *regmap = csi_dev->regmap; @@ -316,6 +316,25 @@ sun6i_csi_bridge_configure_interface(struct sun6i_csi_device *csi_dev) regmap_write(regmap, SUN6I_CSI_IF_CFG_REG, value); } +static void +sun6i_csi_bridge_configure_mipi_csi2(struct sun6i_csi_device *csi_dev) +{ + struct regmap *regmap = csi_dev->regmap; + u32 value = SUN6I_CSI_IF_CFG_IF_MIPI; + u32 field; + + sun6i_csi_bridge_format(csi_dev, NULL, &field); + + if (field == V4L2_FIELD_INTERLACED || + field == V4L2_FIELD_INTERLACED_TB || + field == V4L2_FIELD_INTERLACED_BT) + value |= SUN6I_CSI_IF_CFG_SRC_TYPE_INTERLACED; + else + value |= SUN6I_CSI_IF_CFG_SRC_TYPE_PROGRESSIVE; + + regmap_write(regmap, SUN6I_CSI_IF_CFG_REG, value); +} + static void sun6i_csi_bridge_configure_format(struct sun6i_csi_device *csi_dev) { struct regmap *regmap = csi_dev->regmap; @@ -367,9 +386,16 @@ static void sun6i_csi_bridge_configure_format(struct sun6i_csi_device *csi_dev) regmap_write(regmap, SUN6I_CSI_CH_CFG_REG, value); } -static void sun6i_csi_bridge_configure(struct sun6i_csi_device *csi_dev) +static void sun6i_csi_bridge_configure(struct sun6i_csi_device *csi_dev, + struct sun6i_csi_bridge_source *source) { - sun6i_csi_bridge_configure_interface(csi_dev); + struct sun6i_csi_bridge *bridge = &csi_dev->bridge; + + if (source == &bridge->source_parallel) + sun6i_csi_bridge_configure_parallel(csi_dev); + else + sun6i_csi_bridge_configure_mipi_csi2(csi_dev); + sun6i_csi_bridge_configure_format(csi_dev); } @@ -381,6 +407,7 @@ static int sun6i_csi_bridge_s_stream(struct v4l2_subdev *subdev, int on) struct sun6i_csi_bridge *bridge = &csi_dev->bridge; struct media_pad *local_pad = &bridge->pads[SUN6I_CSI_BRIDGE_PAD_SINK]; struct device *dev = csi_dev->dev; + struct sun6i_csi_bridge_source *source; struct v4l2_subdev *source_subdev; struct media_pad *remote_pad; /* Initialize to 0 to use both in disable label (ret != 0) and off. */ @@ -397,6 +424,11 @@ static int sun6i_csi_bridge_s_stream(struct v4l2_subdev *subdev, int on) source_subdev = media_entity_to_v4l2_subdev(remote_pad->entity); + if (source_subdev == bridge->source_parallel.subdev) + source = &bridge->source_parallel; + else + source = &bridge->source_mipi_csi2; + if (!on) { v4l2_subdev_call(source_subdev, video, s_stream, 0); goto disable; @@ -414,7 +446,7 @@ static int sun6i_csi_bridge_s_stream(struct v4l2_subdev *subdev, int on) /* Configure */ - sun6i_csi_bridge_configure(csi_dev); + sun6i_csi_bridge_configure(csi_dev, source); sun6i_csi_capture_configure(csi_dev); /* State Update */ @@ -606,6 +638,7 @@ sun6i_csi_bridge_notifier_bound(struct v4l2_async_notifier *notifier, struct sun6i_csi_bridge_async_subdev *bridge_async_subdev = container_of(async_subdev, struct sun6i_csi_bridge_async_subdev, async_subdev); + struct sun6i_csi_bridge *bridge = &csi_dev->bridge; struct sun6i_csi_bridge_source *source = bridge_async_subdev->source; bool enabled; @@ -613,6 +646,9 @@ sun6i_csi_bridge_notifier_bound(struct v4l2_async_notifier *notifier, case SUN6I_CSI_PORT_PARALLEL: enabled = true; break; + case SUN6I_CSI_PORT_MIPI_CSI2: + enabled = !bridge->source_parallel.expected; + break; default: break; } @@ -759,6 +795,8 @@ int sun6i_csi_bridge_setup(struct sun6i_csi_device *csi_dev) sun6i_csi_bridge_source_setup(csi_dev, &bridge->source_parallel, SUN6I_CSI_PORT_PARALLEL, parallel_mbus_types); + sun6i_csi_bridge_source_setup(csi_dev, &bridge->source_mipi_csi2, + SUN6I_CSI_PORT_MIPI_CSI2, NULL); ret = v4l2_async_nf_register(v4l2_dev, notifier); if (ret) { diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.h b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.h index cb3b27af4607..ee592a14b9c5 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.h +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.h @@ -46,6 +46,7 @@ struct sun6i_csi_bridge { struct mutex lock; /* Mbus format lock. */ struct sun6i_csi_bridge_source source_parallel; + struct sun6i_csi_bridge_source source_mipi_csi2; }; /* Helpers */ -- 2.38.1
WARNING: multiple messages have this Message-ID (diff)
From: Paul Kocialkowski <paul.kocialkowski@bootlin.com> To: linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev Cc: Yong Deng <yong.deng@magewell.com>, Paul Kocialkowski <paul.kocialkowski@bootlin.com>, Mauro Carvalho Chehab <mchehab@kernel.org>, Chen-Yu Tsai <wens@csie.org>, Jernej Skrabec <jernej.skrabec@gmail.com>, Samuel Holland <samuel@sholland.org>, Laurent Pinchart <laurent.pinchart@ideasonboard.com>, Maxime Ripard <mripard@kernel.org>, Thomas Petazzoni <thomas.petazzoni@bootlin.com> Subject: [PATCH v7 24/28] media: sun6i-csi: Add support for MIPI CSI-2 to the bridge code Date: Thu, 3 Nov 2022 17:31:09 +0100 [thread overview] Message-ID: <20221103163113.245462-25-paul.kocialkowski@bootlin.com> (raw) In-Reply-To: <20221103163113.245462-1-paul.kocialkowski@bootlin.com> Introduce MIPI CSI-2 support to the bridge with a new port, source and hardware configuration helper. Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com> Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com> --- .../platform/sunxi/sun6i-csi/sun6i_csi.h | 1 + .../sunxi/sun6i-csi/sun6i_csi_bridge.c | 46 +++++++++++++++++-- .../sunxi/sun6i-csi/sun6i_csi_bridge.h | 1 + 3 files changed, 44 insertions(+), 4 deletions(-) diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h index fd6e98b66f12..e611bdd6e9b2 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h @@ -20,6 +20,7 @@ enum sun6i_csi_port { SUN6I_CSI_PORT_PARALLEL = 0, + SUN6I_CSI_PORT_MIPI_CSI2 = 1, }; struct sun6i_csi_buffer { diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.c index c82270ac8759..69c1fa7151d9 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.c +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.c @@ -226,7 +226,7 @@ static void sun6i_csi_bridge_disable(struct sun6i_csi_device *csi_dev) } static void -sun6i_csi_bridge_configure_interface(struct sun6i_csi_device *csi_dev) +sun6i_csi_bridge_configure_parallel(struct sun6i_csi_device *csi_dev) { struct device *dev = csi_dev->dev; struct regmap *regmap = csi_dev->regmap; @@ -316,6 +316,25 @@ sun6i_csi_bridge_configure_interface(struct sun6i_csi_device *csi_dev) regmap_write(regmap, SUN6I_CSI_IF_CFG_REG, value); } +static void +sun6i_csi_bridge_configure_mipi_csi2(struct sun6i_csi_device *csi_dev) +{ + struct regmap *regmap = csi_dev->regmap; + u32 value = SUN6I_CSI_IF_CFG_IF_MIPI; + u32 field; + + sun6i_csi_bridge_format(csi_dev, NULL, &field); + + if (field == V4L2_FIELD_INTERLACED || + field == V4L2_FIELD_INTERLACED_TB || + field == V4L2_FIELD_INTERLACED_BT) + value |= SUN6I_CSI_IF_CFG_SRC_TYPE_INTERLACED; + else + value |= SUN6I_CSI_IF_CFG_SRC_TYPE_PROGRESSIVE; + + regmap_write(regmap, SUN6I_CSI_IF_CFG_REG, value); +} + static void sun6i_csi_bridge_configure_format(struct sun6i_csi_device *csi_dev) { struct regmap *regmap = csi_dev->regmap; @@ -367,9 +386,16 @@ static void sun6i_csi_bridge_configure_format(struct sun6i_csi_device *csi_dev) regmap_write(regmap, SUN6I_CSI_CH_CFG_REG, value); } -static void sun6i_csi_bridge_configure(struct sun6i_csi_device *csi_dev) +static void sun6i_csi_bridge_configure(struct sun6i_csi_device *csi_dev, + struct sun6i_csi_bridge_source *source) { - sun6i_csi_bridge_configure_interface(csi_dev); + struct sun6i_csi_bridge *bridge = &csi_dev->bridge; + + if (source == &bridge->source_parallel) + sun6i_csi_bridge_configure_parallel(csi_dev); + else + sun6i_csi_bridge_configure_mipi_csi2(csi_dev); + sun6i_csi_bridge_configure_format(csi_dev); } @@ -381,6 +407,7 @@ static int sun6i_csi_bridge_s_stream(struct v4l2_subdev *subdev, int on) struct sun6i_csi_bridge *bridge = &csi_dev->bridge; struct media_pad *local_pad = &bridge->pads[SUN6I_CSI_BRIDGE_PAD_SINK]; struct device *dev = csi_dev->dev; + struct sun6i_csi_bridge_source *source; struct v4l2_subdev *source_subdev; struct media_pad *remote_pad; /* Initialize to 0 to use both in disable label (ret != 0) and off. */ @@ -397,6 +424,11 @@ static int sun6i_csi_bridge_s_stream(struct v4l2_subdev *subdev, int on) source_subdev = media_entity_to_v4l2_subdev(remote_pad->entity); + if (source_subdev == bridge->source_parallel.subdev) + source = &bridge->source_parallel; + else + source = &bridge->source_mipi_csi2; + if (!on) { v4l2_subdev_call(source_subdev, video, s_stream, 0); goto disable; @@ -414,7 +446,7 @@ static int sun6i_csi_bridge_s_stream(struct v4l2_subdev *subdev, int on) /* Configure */ - sun6i_csi_bridge_configure(csi_dev); + sun6i_csi_bridge_configure(csi_dev, source); sun6i_csi_capture_configure(csi_dev); /* State Update */ @@ -606,6 +638,7 @@ sun6i_csi_bridge_notifier_bound(struct v4l2_async_notifier *notifier, struct sun6i_csi_bridge_async_subdev *bridge_async_subdev = container_of(async_subdev, struct sun6i_csi_bridge_async_subdev, async_subdev); + struct sun6i_csi_bridge *bridge = &csi_dev->bridge; struct sun6i_csi_bridge_source *source = bridge_async_subdev->source; bool enabled; @@ -613,6 +646,9 @@ sun6i_csi_bridge_notifier_bound(struct v4l2_async_notifier *notifier, case SUN6I_CSI_PORT_PARALLEL: enabled = true; break; + case SUN6I_CSI_PORT_MIPI_CSI2: + enabled = !bridge->source_parallel.expected; + break; default: break; } @@ -759,6 +795,8 @@ int sun6i_csi_bridge_setup(struct sun6i_csi_device *csi_dev) sun6i_csi_bridge_source_setup(csi_dev, &bridge->source_parallel, SUN6I_CSI_PORT_PARALLEL, parallel_mbus_types); + sun6i_csi_bridge_source_setup(csi_dev, &bridge->source_mipi_csi2, + SUN6I_CSI_PORT_MIPI_CSI2, NULL); ret = v4l2_async_nf_register(v4l2_dev, notifier); if (ret) { diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.h b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.h index cb3b27af4607..ee592a14b9c5 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.h +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_bridge.h @@ -46,6 +46,7 @@ struct sun6i_csi_bridge { struct mutex lock; /* Mbus format lock. */ struct sun6i_csi_bridge_source source_parallel; + struct sun6i_csi_bridge_source source_mipi_csi2; }; /* Helpers */ -- 2.38.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2022-11-03 16:32 UTC|newest] Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-11-03 16:30 [PATCH v7 00/28] Allwinner A31/A83T MIPI CSI-2 and A31 ISP / CSI Rework Paul Kocialkowski 2022-11-03 16:30 ` Paul Kocialkowski 2022-11-03 16:30 ` [PATCH v7 01/28] media: sun6i-csi: Add bridge v4l2 subdev with port management Paul Kocialkowski 2022-11-03 16:30 ` Paul Kocialkowski 2022-11-09 18:23 ` kernel test robot 2022-11-03 16:30 ` [PATCH v7 02/28] media: sun6i-csi: Rename sun6i_video to sun6i_csi_capture Paul Kocialkowski 2022-11-03 16:30 ` Paul Kocialkowski 2022-11-14 10:06 ` Sakari Ailus 2022-11-14 10:06 ` Sakari Ailus 2022-11-03 16:30 ` [PATCH v7 03/28] media: sun6i-csi: Add capture state using vsync for page flip Paul Kocialkowski 2022-11-03 16:30 ` Paul Kocialkowski 2022-11-03 16:30 ` [PATCH v7 04/28] media: sun6i-csi: Rework register definitions, invert misleading fields Paul Kocialkowski 2022-11-03 16:30 ` Paul Kocialkowski 2022-11-03 16:30 ` [PATCH v7 05/28] media: sun6i-csi: Add dimensions and format helpers to capture Paul Kocialkowski 2022-11-03 16:30 ` Paul Kocialkowski 2022-11-03 16:30 ` [PATCH v7 06/28] media: sun6i-csi: Implement address configuration without indirection Paul Kocialkowski 2022-11-03 16:30 ` Paul Kocialkowski 2022-11-03 16:30 ` [PATCH v7 07/28] media: sun6i-csi: Split stream sequences and irq code in capture Paul Kocialkowski 2022-11-03 16:30 ` Paul Kocialkowski 2022-11-03 16:30 ` [PATCH v7 08/28] media: sun6i-csi: Move power management to runtime pm " Paul Kocialkowski 2022-11-03 16:30 ` Paul Kocialkowski 2022-11-03 16:30 ` [PATCH v7 09/28] media: sun6i-csi: Move register configuration to capture Paul Kocialkowski 2022-11-03 16:30 ` Paul Kocialkowski 2022-11-03 16:30 ` [PATCH v7 10/28] media: sun6i-csi: Rework capture format management with helper Paul Kocialkowski 2022-11-03 16:30 ` Paul Kocialkowski 2022-11-03 16:30 ` [PATCH v7 11/28] media: sun6i-csi: Remove custom format helper and rework configure Paul Kocialkowski 2022-11-03 16:30 ` Paul Kocialkowski 2022-11-03 16:30 ` [PATCH v7 12/28] media: sun6i-csi: Add bridge dimensions and format helpers Paul Kocialkowski 2022-11-03 16:30 ` Paul Kocialkowski 2022-11-03 16:30 ` [PATCH v7 13/28] media: sun6i-csi: Get mbus code from bridge instead of storing it Paul Kocialkowski 2022-11-03 16:30 ` Paul Kocialkowski 2022-11-03 16:30 ` [PATCH v7 14/28] media: sun6i-csi: Tidy capture configure code Paul Kocialkowski 2022-11-03 16:30 ` Paul Kocialkowski 2022-11-03 16:31 ` [PATCH v7 15/28] media: sun6i-csi: Introduce bridge format structure, list and helper Paul Kocialkowski 2022-11-03 16:31 ` Paul Kocialkowski 2022-11-03 16:31 ` [PATCH v7 16/28] media: sun6i-csi: Introduce capture " Paul Kocialkowski 2022-11-03 16:31 ` Paul Kocialkowski 2022-11-03 16:31 ` [PATCH v7 17/28] media: sun6i-csi: Configure registers from format tables Paul Kocialkowski 2022-11-03 16:31 ` Paul Kocialkowski 2022-11-03 16:31 ` [PATCH v7 18/28] media: sun6i-csi: Introduce format match structure, list and helper Paul Kocialkowski 2022-11-03 16:31 ` Paul Kocialkowski 2022-11-11 10:18 ` Sakari Ailus 2022-11-11 10:18 ` Sakari Ailus 2022-11-11 10:21 ` Sakari Ailus 2022-11-11 10:21 ` Sakari Ailus 2022-11-03 16:31 ` [PATCH v7 19/28] media: sun6i-csi: Implement capture link validation with logic Paul Kocialkowski 2022-11-03 16:31 ` Paul Kocialkowski 2022-11-03 16:31 ` [PATCH v7 20/28] media: sun6i-csi: Get bridge subdev directly in capture stream ops Paul Kocialkowski 2022-11-03 16:31 ` Paul Kocialkowski 2022-11-03 16:31 ` [PATCH v7 21/28] media: sun6i-csi: Move hardware control to the bridge Paul Kocialkowski 2022-11-03 16:31 ` Paul Kocialkowski 2022-11-03 16:31 ` [PATCH v7 22/28] media: sun6i-csi: Rename the capture video device to sun6i-csi-capture Paul Kocialkowski 2022-11-03 16:31 ` Paul Kocialkowski 2022-11-03 16:31 ` [PATCH v7 23/28] media: sun6i-csi: Cleanup headers and includes, update copyright lines Paul Kocialkowski 2022-11-03 16:31 ` Paul Kocialkowski 2022-11-03 16:31 ` Paul Kocialkowski [this message] 2022-11-03 16:31 ` [PATCH v7 24/28] media: sun6i-csi: Add support for MIPI CSI-2 to the bridge code Paul Kocialkowski 2022-11-03 16:31 ` [PATCH v7 25/28] media: sun6i-csi: Only configure capture when streaming Paul Kocialkowski 2022-11-03 16:31 ` Paul Kocialkowski 2022-11-03 16:31 ` [PATCH v7 26/28] media: sun6i-csi: Add extra checks to the interrupt routine Paul Kocialkowski 2022-11-03 16:31 ` Paul Kocialkowski 2022-11-03 16:31 ` [PATCH v7 27/28] media: sun6i-csi: Request a shared interrupt Paul Kocialkowski 2022-11-03 16:31 ` Paul Kocialkowski 2022-11-03 16:31 ` [PATCH v7 28/28] MAINTAINERS: Add myself as sun6i-csi maintainer and rename/move entry Paul Kocialkowski 2022-11-03 16:31 ` Paul Kocialkowski 2022-11-09 21:25 [PATCH v7 01/28] media: sun6i-csi: Add bridge v4l2 subdev with port management kernel test robot 2022-11-10 6:57 ` Dan Carpenter 2022-11-10 6:57 ` Dan Carpenter
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