diff options
Diffstat (limited to 'drivers/media/platform/vsp1')
24 files changed, 1874 insertions, 119 deletions
diff --git a/drivers/media/platform/vsp1/Makefile b/drivers/media/platform/vsp1/Makefile index 4da226169e1..6a93f928dfd 100644 --- a/drivers/media/platform/vsp1/Makefile +++ b/drivers/media/platform/vsp1/Makefile @@ -1,5 +1,6 @@  vsp1-y					:= vsp1_drv.o vsp1_entity.o vsp1_video.o  vsp1-y					+= vsp1_rpf.o vsp1_rwpf.o vsp1_wpf.o -vsp1-y					+= vsp1_lif.o vsp1_uds.o +vsp1-y					+= vsp1_hsit.o vsp1_lif.o vsp1_lut.o +vsp1-y					+= vsp1_bru.o vsp1_sru.o vsp1_uds.o  obj-$(CONFIG_VIDEO_RENESAS_VSP1)	+= vsp1.o diff --git a/drivers/media/platform/vsp1/vsp1.h b/drivers/media/platform/vsp1/vsp1.h index d6c6ecd039f..6ca2cf20d54 100644 --- a/drivers/media/platform/vsp1/vsp1.h +++ b/drivers/media/platform/vsp1/vsp1.h @@ -1,7 +1,7 @@  /*   * vsp1.h  --  R-Car VSP1 Driver   * - * Copyright (C) 2013 Renesas Corporation + * Copyright (C) 2013-2014 Renesas Electronics Corporation   *   * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)   * @@ -28,8 +28,12 @@ struct clk;  struct device;  struct vsp1_platform_data; +struct vsp1_bru; +struct vsp1_hsit;  struct vsp1_lif; +struct vsp1_lut;  struct vsp1_rwpf; +struct vsp1_sru;  struct vsp1_uds;  #define VPS1_MAX_RPF		5 @@ -42,13 +46,17 @@ struct vsp1_device {  	void __iomem *mmio;  	struct clk *clock; -	struct clk *rt_clock;  	struct mutex lock;  	int ref_count; +	struct vsp1_bru *bru; +	struct vsp1_hsit *hsi; +	struct vsp1_hsit *hst;  	struct vsp1_lif *lif; +	struct vsp1_lut *lut;  	struct vsp1_rwpf *rpf[VPS1_MAX_RPF]; +	struct vsp1_sru *sru;  	struct vsp1_uds *uds[VPS1_MAX_UDS];  	struct vsp1_rwpf *wpf[VPS1_MAX_WPF]; diff --git a/drivers/media/platform/vsp1/vsp1_bru.c b/drivers/media/platform/vsp1/vsp1_bru.c new file mode 100644 index 00000000000..f8069548006 --- /dev/null +++ b/drivers/media/platform/vsp1/vsp1_bru.c @@ -0,0 +1,395 @@ +/* + * vsp1_bru.c  --  R-Car VSP1 Blend ROP Unit + * + * Copyright (C) 2013 Renesas Corporation + * + * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/device.h> +#include <linux/gfp.h> + +#include <media/v4l2-subdev.h> + +#include "vsp1.h" +#include "vsp1_bru.h" + +#define BRU_MIN_SIZE				4U +#define BRU_MAX_SIZE				8190U + +/* ----------------------------------------------------------------------------- + * Device Access + */ + +static inline u32 vsp1_bru_read(struct vsp1_bru *bru, u32 reg) +{ +	return vsp1_read(bru->entity.vsp1, reg); +} + +static inline void vsp1_bru_write(struct vsp1_bru *bru, u32 reg, u32 data) +{ +	vsp1_write(bru->entity.vsp1, reg, data); +} + +/* ----------------------------------------------------------------------------- + * V4L2 Subdevice Core Operations + */ + +static bool bru_is_input_enabled(struct vsp1_bru *bru, unsigned int input) +{ +	return media_entity_remote_pad(&bru->entity.pads[input]) != NULL; +} + +static int bru_s_stream(struct v4l2_subdev *subdev, int enable) +{ +	struct vsp1_bru *bru = to_bru(subdev); +	struct v4l2_mbus_framefmt *format; +	unsigned int i; + +	if (!enable) +		return 0; + +	format = &bru->entity.formats[BRU_PAD_SOURCE]; + +	/* The hardware is extremely flexible but we have no userspace API to +	 * expose all the parameters, nor is it clear whether we would have use +	 * cases for all the supported modes. Let's just harcode the parameters +	 * to sane default values for now. +	 */ + +	/* Disable both color data normalization and dithering. */ +	vsp1_bru_write(bru, VI6_BRU_INCTRL, 0); + +	/* Set the background position to cover the whole output image and +	 * set its color to opaque black. +	 */ +	vsp1_bru_write(bru, VI6_BRU_VIRRPF_SIZE, +		       (format->width << VI6_BRU_VIRRPF_SIZE_HSIZE_SHIFT) | +		       (format->height << VI6_BRU_VIRRPF_SIZE_VSIZE_SHIFT)); +	vsp1_bru_write(bru, VI6_BRU_VIRRPF_LOC, 0); +	vsp1_bru_write(bru, VI6_BRU_VIRRPF_COL, +		       0xff << VI6_BRU_VIRRPF_COL_A_SHIFT); + +	/* Route BRU input 1 as SRC input to the ROP unit and configure the ROP +	 * unit with a NOP operation to make BRU input 1 available as the +	 * Blend/ROP unit B SRC input. +	 */ +	vsp1_bru_write(bru, VI6_BRU_ROP, VI6_BRU_ROP_DSTSEL_BRUIN(1) | +		       VI6_BRU_ROP_CROP(VI6_ROP_NOP) | +		       VI6_BRU_ROP_AROP(VI6_ROP_NOP)); + +	for (i = 0; i < 4; ++i) { +		u32 ctrl = 0; + +		/* Configure all Blend/ROP units corresponding to an enabled BRU +		 * input for alpha blending. Blend/ROP units corresponding to +		 * disabled BRU inputs are used in ROP NOP mode to ignore the +		 * SRC input. +		 */ +		if (bru_is_input_enabled(bru, i)) +			ctrl |= VI6_BRU_CTRL_RBC; +		else +			ctrl |= VI6_BRU_CTRL_CROP(VI6_ROP_NOP) +			     |  VI6_BRU_CTRL_AROP(VI6_ROP_NOP); + +		/* Select the virtual RPF as the Blend/ROP unit A DST input to +		 * serve as a background color. +		 */ +		if (i == 0) +			ctrl |= VI6_BRU_CTRL_DSTSEL_VRPF; + +		/* Route BRU inputs 0 to 3 as SRC inputs to Blend/ROP units A to +		 * D in that order. The Blend/ROP unit B SRC is hardwired to the +		 * ROP unit output, the corresponding register bits must be set +		 * to 0. +		 */ +		if (i != 1) +			ctrl |= VI6_BRU_CTRL_SRCSEL_BRUIN(i); + +		vsp1_bru_write(bru, VI6_BRU_CTRL(i), ctrl); + +		/* Harcode the blending formula to +		 * +		 *	DSTc = DSTc * (1 - SRCa) + SRCc * SRCa +		 *	DSTa = DSTa * (1 - SRCa) + SRCa +		 */ +		vsp1_bru_write(bru, VI6_BRU_BLD(i), +			       VI6_BRU_BLD_CCMDX_255_SRC_A | +			       VI6_BRU_BLD_CCMDY_SRC_A | +			       VI6_BRU_BLD_ACMDX_255_SRC_A | +			       VI6_BRU_BLD_ACMDY_COEFY | +			       (0xff << VI6_BRU_BLD_COEFY_SHIFT)); +	} + +	return 0; +} + +/* ----------------------------------------------------------------------------- + * V4L2 Subdevice Pad Operations + */ + +/* + * The BRU can't perform format conversion, all sink and source formats must be + * identical. We pick the format on the first sink pad (pad 0) and propagate it + * to all other pads. + */ + +static int bru_enum_mbus_code(struct v4l2_subdev *subdev, +			      struct v4l2_subdev_fh *fh, +			      struct v4l2_subdev_mbus_code_enum *code) +{ +	static const unsigned int codes[] = { +		V4L2_MBUS_FMT_ARGB8888_1X32, +		V4L2_MBUS_FMT_AYUV8_1X32, +	}; +	struct v4l2_mbus_framefmt *format; + +	if (code->pad == BRU_PAD_SINK(0)) { +		if (code->index >= ARRAY_SIZE(codes)) +			return -EINVAL; + +		code->code = codes[code->index]; +	} else { +		if (code->index) +			return -EINVAL; + +		format = v4l2_subdev_get_try_format(fh, BRU_PAD_SINK(0)); +		code->code = format->code; +	} + +	return 0; +} + +static int bru_enum_frame_size(struct v4l2_subdev *subdev, +			       struct v4l2_subdev_fh *fh, +			       struct v4l2_subdev_frame_size_enum *fse) +{ +	if (fse->index) +		return -EINVAL; + +	if (fse->code != V4L2_MBUS_FMT_ARGB8888_1X32 && +	    fse->code != V4L2_MBUS_FMT_AYUV8_1X32) +		return -EINVAL; + +	fse->min_width = BRU_MIN_SIZE; +	fse->max_width = BRU_MAX_SIZE; +	fse->min_height = BRU_MIN_SIZE; +	fse->max_height = BRU_MAX_SIZE; + +	return 0; +} + +static struct v4l2_rect *bru_get_compose(struct vsp1_bru *bru, +					 struct v4l2_subdev_fh *fh, +					 unsigned int pad, u32 which) +{ +	switch (which) { +	case V4L2_SUBDEV_FORMAT_TRY: +		return v4l2_subdev_get_try_crop(fh, pad); +	case V4L2_SUBDEV_FORMAT_ACTIVE: +		return &bru->compose[pad]; +	default: +		return NULL; +	} +} + +static int bru_get_format(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh, +			  struct v4l2_subdev_format *fmt) +{ +	struct vsp1_bru *bru = to_bru(subdev); + +	fmt->format = *vsp1_entity_get_pad_format(&bru->entity, fh, fmt->pad, +						  fmt->which); + +	return 0; +} + +static void bru_try_format(struct vsp1_bru *bru, struct v4l2_subdev_fh *fh, +			   unsigned int pad, struct v4l2_mbus_framefmt *fmt, +			   enum v4l2_subdev_format_whence which) +{ +	struct v4l2_mbus_framefmt *format; + +	switch (pad) { +	case BRU_PAD_SINK(0): +		/* Default to YUV if the requested format is not supported. */ +		if (fmt->code != V4L2_MBUS_FMT_ARGB8888_1X32 && +		    fmt->code != V4L2_MBUS_FMT_AYUV8_1X32) +			fmt->code = V4L2_MBUS_FMT_AYUV8_1X32; +		break; + +	default: +		/* The BRU can't perform format conversion. */ +		format = vsp1_entity_get_pad_format(&bru->entity, fh, +						    BRU_PAD_SINK(0), which); +		fmt->code = format->code; +		break; +	} + +	fmt->width = clamp(fmt->width, BRU_MIN_SIZE, BRU_MAX_SIZE); +	fmt->height = clamp(fmt->height, BRU_MIN_SIZE, BRU_MAX_SIZE); +	fmt->field = V4L2_FIELD_NONE; +	fmt->colorspace = V4L2_COLORSPACE_SRGB; +} + +static int bru_set_format(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh, +			  struct v4l2_subdev_format *fmt) +{ +	struct vsp1_bru *bru = to_bru(subdev); +	struct v4l2_mbus_framefmt *format; + +	bru_try_format(bru, fh, fmt->pad, &fmt->format, fmt->which); + +	format = vsp1_entity_get_pad_format(&bru->entity, fh, fmt->pad, +					    fmt->which); +	*format = fmt->format; + +	/* Reset the compose rectangle */ +	if (fmt->pad != BRU_PAD_SOURCE) { +		struct v4l2_rect *compose; + +		compose = bru_get_compose(bru, fh, fmt->pad, fmt->which); +		compose->left = 0; +		compose->top = 0; +		compose->width = format->width; +		compose->height = format->height; +	} + +	/* Propagate the format code to all pads */ +	if (fmt->pad == BRU_PAD_SINK(0)) { +		unsigned int i; + +		for (i = 0; i <= BRU_PAD_SOURCE; ++i) { +			format = vsp1_entity_get_pad_format(&bru->entity, fh, +							    i, fmt->which); +			format->code = fmt->format.code; +		} +	} + +	return 0; +} + +static int bru_get_selection(struct v4l2_subdev *subdev, +			     struct v4l2_subdev_fh *fh, +			     struct v4l2_subdev_selection *sel) +{ +	struct vsp1_bru *bru = to_bru(subdev); + +	if (sel->pad == BRU_PAD_SOURCE) +		return -EINVAL; + +	switch (sel->target) { +	case V4L2_SEL_TGT_COMPOSE_BOUNDS: +		sel->r.left = 0; +		sel->r.top = 0; +		sel->r.width = BRU_MAX_SIZE; +		sel->r.height = BRU_MAX_SIZE; +		return 0; + +	case V4L2_SEL_TGT_COMPOSE: +		sel->r = *bru_get_compose(bru, fh, sel->pad, sel->which); +		return 0; + +	default: +		return -EINVAL; +	} +} + +static int bru_set_selection(struct v4l2_subdev *subdev, +			     struct v4l2_subdev_fh *fh, +			     struct v4l2_subdev_selection *sel) +{ +	struct vsp1_bru *bru = to_bru(subdev); +	struct v4l2_mbus_framefmt *format; +	struct v4l2_rect *compose; + +	if (sel->pad == BRU_PAD_SOURCE) +		return -EINVAL; + +	if (sel->target != V4L2_SEL_TGT_COMPOSE) +		return -EINVAL; + +	/* The compose rectangle top left corner must be inside the output +	 * frame. +	 */ +	format = vsp1_entity_get_pad_format(&bru->entity, fh, BRU_PAD_SOURCE, +					    sel->which); +	sel->r.left = clamp_t(unsigned int, sel->r.left, 0, format->width - 1); +	sel->r.top = clamp_t(unsigned int, sel->r.top, 0, format->height - 1); + +	/* Scaling isn't supported, the compose rectangle size must be identical +	 * to the sink format size. +	 */ +	format = vsp1_entity_get_pad_format(&bru->entity, fh, sel->pad, +					    sel->which); +	sel->r.width = format->width; +	sel->r.height = format->height; + +	compose = bru_get_compose(bru, fh, sel->pad, sel->which); +	*compose = sel->r; + +	return 0; +} + +/* ----------------------------------------------------------------------------- + * V4L2 Subdevice Operations + */ + +static struct v4l2_subdev_video_ops bru_video_ops = { +	.s_stream = bru_s_stream, +}; + +static struct v4l2_subdev_pad_ops bru_pad_ops = { +	.enum_mbus_code = bru_enum_mbus_code, +	.enum_frame_size = bru_enum_frame_size, +	.get_fmt = bru_get_format, +	.set_fmt = bru_set_format, +	.get_selection = bru_get_selection, +	.set_selection = bru_set_selection, +}; + +static struct v4l2_subdev_ops bru_ops = { +	.video	= &bru_video_ops, +	.pad    = &bru_pad_ops, +}; + +/* ----------------------------------------------------------------------------- + * Initialization and Cleanup + */ + +struct vsp1_bru *vsp1_bru_create(struct vsp1_device *vsp1) +{ +	struct v4l2_subdev *subdev; +	struct vsp1_bru *bru; +	int ret; + +	bru = devm_kzalloc(vsp1->dev, sizeof(*bru), GFP_KERNEL); +	if (bru == NULL) +		return ERR_PTR(-ENOMEM); + +	bru->entity.type = VSP1_ENTITY_BRU; + +	ret = vsp1_entity_init(vsp1, &bru->entity, 5); +	if (ret < 0) +		return ERR_PTR(ret); + +	/* Initialize the V4L2 subdev. */ +	subdev = &bru->entity.subdev; +	v4l2_subdev_init(subdev, &bru_ops); + +	subdev->entity.ops = &vsp1_media_ops; +	subdev->internal_ops = &vsp1_subdev_internal_ops; +	snprintf(subdev->name, sizeof(subdev->name), "%s bru", +		 dev_name(vsp1->dev)); +	v4l2_set_subdevdata(subdev, bru); +	subdev->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; + +	vsp1_entity_init_formats(subdev, NULL); + +	return bru; +} diff --git a/drivers/media/platform/vsp1/vsp1_bru.h b/drivers/media/platform/vsp1/vsp1_bru.h new file mode 100644 index 00000000000..37062704dbf --- /dev/null +++ b/drivers/media/platform/vsp1/vsp1_bru.h @@ -0,0 +1,39 @@ +/* + * vsp1_bru.h  --  R-Car VSP1 Blend ROP Unit + * + * Copyright (C) 2013 Renesas Corporation + * + * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ +#ifndef __VSP1_BRU_H__ +#define __VSP1_BRU_H__ + +#include <media/media-entity.h> +#include <media/v4l2-subdev.h> + +#include "vsp1_entity.h" + +struct vsp1_device; + +#define BRU_PAD_SINK(n)				(n) +#define BRU_PAD_SOURCE				4 + +struct vsp1_bru { +	struct vsp1_entity entity; + +	struct v4l2_rect compose[4]; +}; + +static inline struct vsp1_bru *to_bru(struct v4l2_subdev *subdev) +{ +	return container_of(subdev, struct vsp1_bru, entity.subdev); +} + +struct vsp1_bru *vsp1_bru_create(struct vsp1_device *vsp1); + +#endif /* __VSP1_BRU_H__ */ diff --git a/drivers/media/platform/vsp1/vsp1_drv.c b/drivers/media/platform/vsp1/vsp1_drv.c index 1c9e771aa15..c69ee0657f7 100644 --- a/drivers/media/platform/vsp1/vsp1_drv.c +++ b/drivers/media/platform/vsp1/vsp1_drv.c @@ -1,7 +1,7 @@  /*   * vsp1_drv.c  --  R-Car VSP1 Driver   * - * Copyright (C) 2013 Renesas Corporation + * Copyright (C) 2013-2014 Renesas Electronics Corporation   *   * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)   * @@ -16,12 +16,17 @@  #include <linux/device.h>  #include <linux/interrupt.h>  #include <linux/module.h> +#include <linux/of.h>  #include <linux/platform_device.h>  #include <linux/videodev2.h>  #include "vsp1.h" +#include "vsp1_bru.h" +#include "vsp1_hsit.h"  #include "vsp1_lif.h" +#include "vsp1_lut.h"  #include "vsp1_rwpf.h" +#include "vsp1_sru.h"  #include "vsp1_uds.h"  /* ----------------------------------------------------------------------------- @@ -152,6 +157,30 @@ static int vsp1_create_entities(struct vsp1_device *vsp1)  	}  	/* Instantiate all the entities. */ +	vsp1->bru = vsp1_bru_create(vsp1); +	if (IS_ERR(vsp1->bru)) { +		ret = PTR_ERR(vsp1->bru); +		goto done; +	} + +	list_add_tail(&vsp1->bru->entity.list_dev, &vsp1->entities); + +	vsp1->hsi = vsp1_hsit_create(vsp1, true); +	if (IS_ERR(vsp1->hsi)) { +		ret = PTR_ERR(vsp1->hsi); +		goto done; +	} + +	list_add_tail(&vsp1->hsi->entity.list_dev, &vsp1->entities); + +	vsp1->hst = vsp1_hsit_create(vsp1, false); +	if (IS_ERR(vsp1->hst)) { +		ret = PTR_ERR(vsp1->hst); +		goto done; +	} + +	list_add_tail(&vsp1->hst->entity.list_dev, &vsp1->entities); +  	if (vsp1->pdata->features & VSP1_HAS_LIF) {  		vsp1->lif = vsp1_lif_create(vsp1);  		if (IS_ERR(vsp1->lif)) { @@ -162,6 +191,16 @@ static int vsp1_create_entities(struct vsp1_device *vsp1)  		list_add_tail(&vsp1->lif->entity.list_dev, &vsp1->entities);  	} +	if (vsp1->pdata->features & VSP1_HAS_LUT) { +		vsp1->lut = vsp1_lut_create(vsp1); +		if (IS_ERR(vsp1->lut)) { +			ret = PTR_ERR(vsp1->lut); +			goto done; +		} + +		list_add_tail(&vsp1->lut->entity.list_dev, &vsp1->entities); +	} +  	for (i = 0; i < vsp1->pdata->rpf_count; ++i) {  		struct vsp1_rwpf *rpf; @@ -175,6 +214,16 @@ static int vsp1_create_entities(struct vsp1_device *vsp1)  		list_add_tail(&rpf->entity.list_dev, &vsp1->entities);  	} +	if (vsp1->pdata->features & VSP1_HAS_SRU) { +		vsp1->sru = vsp1_sru_create(vsp1); +		if (IS_ERR(vsp1->sru)) { +			ret = PTR_ERR(vsp1->sru); +			goto done; +		} + +		list_add_tail(&vsp1->sru->entity.list_dev, &vsp1->entities); +	} +  	for (i = 0; i < vsp1->pdata->uds_count; ++i) {  		struct vsp1_uds *uds; @@ -290,40 +339,13 @@ static int vsp1_device_init(struct vsp1_device *vsp1)  	return 0;  } -static int vsp1_clocks_enable(struct vsp1_device *vsp1) -{ -	int ret; - -	ret = clk_prepare_enable(vsp1->clock); -	if (ret < 0) -		return ret; - -	if (IS_ERR(vsp1->rt_clock)) -		return 0; - -	ret = clk_prepare_enable(vsp1->rt_clock); -	if (ret < 0) { -		clk_disable_unprepare(vsp1->clock); -		return ret; -	} - -	return 0; -} - -static void vsp1_clocks_disable(struct vsp1_device *vsp1) -{ -	if (!IS_ERR(vsp1->rt_clock)) -		clk_disable_unprepare(vsp1->rt_clock); -	clk_disable_unprepare(vsp1->clock); -} -  /*   * vsp1_device_get - Acquire the VSP1 device   *   * Increment the VSP1 reference count and initialize the device if the first   * reference is taken.   * - * Return a pointer to the VSP1 device or NULL if an error occured. + * Return a pointer to the VSP1 device or NULL if an error occurred.   */  struct vsp1_device *vsp1_device_get(struct vsp1_device *vsp1)  { @@ -334,7 +356,7 @@ struct vsp1_device *vsp1_device_get(struct vsp1_device *vsp1)  	if (vsp1->ref_count > 0)  		goto done; -	ret = vsp1_clocks_enable(vsp1); +	ret = clk_prepare_enable(vsp1->clock);  	if (ret < 0) {  		__vsp1 = NULL;  		goto done; @@ -342,7 +364,7 @@ struct vsp1_device *vsp1_device_get(struct vsp1_device *vsp1)  	ret = vsp1_device_init(vsp1);  	if (ret < 0) { -		vsp1_clocks_disable(vsp1); +		clk_disable_unprepare(vsp1->clock);  		__vsp1 = NULL;  		goto done;  	} @@ -366,7 +388,7 @@ void vsp1_device_put(struct vsp1_device *vsp1)  	mutex_lock(&vsp1->lock);  	if (--vsp1->ref_count == 0) -		vsp1_clocks_disable(vsp1); +		clk_disable_unprepare(vsp1->clock);  	mutex_unlock(&vsp1->lock);  } @@ -385,7 +407,7 @@ static int vsp1_pm_suspend(struct device *dev)  	if (vsp1->ref_count == 0)  		return 0; -	vsp1_clocks_disable(vsp1); +	clk_disable_unprepare(vsp1->clock);  	return 0;  } @@ -398,7 +420,7 @@ static int vsp1_pm_resume(struct device *dev)  	if (vsp1->ref_count)  		return 0; -	return vsp1_clocks_enable(vsp1); +	return clk_prepare_enable(vsp1->clock);  }  #endif @@ -410,34 +432,59 @@ static const struct dev_pm_ops vsp1_pm_ops = {   * Platform Driver   */ -static struct vsp1_platform_data * -vsp1_get_platform_data(struct platform_device *pdev) +static int vsp1_validate_platform_data(struct platform_device *pdev, +				       struct vsp1_platform_data *pdata)  { -	struct vsp1_platform_data *pdata = pdev->dev.platform_data; -  	if (pdata == NULL) {  		dev_err(&pdev->dev, "missing platform data\n"); -		return NULL; +		return -EINVAL;  	}  	if (pdata->rpf_count <= 0 || pdata->rpf_count > VPS1_MAX_RPF) {  		dev_err(&pdev->dev, "invalid number of RPF (%u)\n",  			pdata->rpf_count); -		return NULL; +		return -EINVAL;  	}  	if (pdata->uds_count <= 0 || pdata->uds_count > VPS1_MAX_UDS) {  		dev_err(&pdev->dev, "invalid number of UDS (%u)\n",  			pdata->uds_count); -		return NULL; +		return -EINVAL;  	}  	if (pdata->wpf_count <= 0 || pdata->wpf_count > VPS1_MAX_WPF) {  		dev_err(&pdev->dev, "invalid number of WPF (%u)\n",  			pdata->wpf_count); -		return NULL; +		return -EINVAL;  	} +	return 0; +} + +static struct vsp1_platform_data * +vsp1_get_platform_data(struct platform_device *pdev) +{ +	struct device_node *np = pdev->dev.of_node; +	struct vsp1_platform_data *pdata; + +	if (!IS_ENABLED(CONFIG_OF) || np == NULL) +		return pdev->dev.platform_data; + +	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); +	if (pdata == NULL) +		return NULL; + +	if (of_property_read_bool(np, "renesas,has-lif")) +		pdata->features |= VSP1_HAS_LIF; +	if (of_property_read_bool(np, "renesas,has-lut")) +		pdata->features |= VSP1_HAS_LUT; +	if (of_property_read_bool(np, "renesas,has-sru")) +		pdata->features |= VSP1_HAS_SRU; + +	of_property_read_u32(np, "renesas,#rpf", &pdata->rpf_count); +	of_property_read_u32(np, "renesas,#uds", &pdata->uds_count); +	of_property_read_u32(np, "renesas,#wpf", &pdata->wpf_count); +  	return pdata;  } @@ -460,6 +507,10 @@ static int vsp1_probe(struct platform_device *pdev)  	if (vsp1->pdata == NULL)  		return -ENODEV; +	ret = vsp1_validate_platform_data(pdev, vsp1->pdata); +	if (ret < 0) +		return ret; +  	/* I/O, IRQ and clock resources */  	io = platform_get_resource(pdev, IORESOURCE_MEM, 0);  	vsp1->mmio = devm_ioremap_resource(&pdev->dev, io); @@ -472,9 +523,6 @@ static int vsp1_probe(struct platform_device *pdev)  		return PTR_ERR(vsp1->clock);  	} -	/* The RT clock is optional */ -	vsp1->rt_clock = devm_clk_get(&pdev->dev, "rt"); -  	irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);  	if (!irq) {  		dev_err(&pdev->dev, "missing IRQ\n"); @@ -509,6 +557,11 @@ static int vsp1_remove(struct platform_device *pdev)  	return 0;  } +static const struct of_device_id vsp1_of_match[] = { +	{ .compatible = "renesas,vsp1" }, +	{ }, +}; +  static struct platform_driver vsp1_platform_driver = {  	.probe		= vsp1_probe,  	.remove		= vsp1_remove, @@ -516,6 +569,7 @@ static struct platform_driver vsp1_platform_driver = {  		.owner	= THIS_MODULE,  		.name	= "vsp1",  		.pm	= &vsp1_pm_ops, +		.of_match_table = vsp1_of_match,  	},  }; diff --git a/drivers/media/platform/vsp1/vsp1_entity.c b/drivers/media/platform/vsp1/vsp1_entity.c index 9028f9d524f..44167834285 100644 --- a/drivers/media/platform/vsp1/vsp1_entity.c +++ b/drivers/media/platform/vsp1/vsp1_entity.c @@ -1,7 +1,7 @@  /*   * vsp1_entity.c  --  R-Car VSP1 Base Entity   * - * Copyright (C) 2013 Renesas Corporation + * Copyright (C) 2013-2014 Renesas Electronics Corporation   *   * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)   * @@ -15,6 +15,7 @@  #include <linux/gfp.h>  #include <media/media-entity.h> +#include <media/v4l2-ctrls.h>  #include <media/v4l2-subdev.h>  #include "vsp1.h" @@ -99,8 +100,10 @@ static int vsp1_entity_link_setup(struct media_entity *entity,  		if (source->sink)  			return -EBUSY;  		source->sink = remote->entity; +		source->sink_pad = remote->index;  	} else {  		source->sink = NULL; +		source->sink_pad = 0;  	}  	return 0; @@ -115,38 +118,43 @@ const struct media_entity_operations vsp1_media_ops = {   * Initialization   */ +static const struct vsp1_route vsp1_routes[] = { +	{ VSP1_ENTITY_BRU, 0, VI6_DPR_BRU_ROUTE, +	  { VI6_DPR_NODE_BRU_IN(0), VI6_DPR_NODE_BRU_IN(1), +	    VI6_DPR_NODE_BRU_IN(2), VI6_DPR_NODE_BRU_IN(3), } }, +	{ VSP1_ENTITY_HSI, 0, VI6_DPR_HSI_ROUTE, { VI6_DPR_NODE_HSI, } }, +	{ VSP1_ENTITY_HST, 0, VI6_DPR_HST_ROUTE, { VI6_DPR_NODE_HST, } }, +	{ VSP1_ENTITY_LIF, 0, 0, { VI6_DPR_NODE_LIF, } }, +	{ VSP1_ENTITY_LUT, 0, VI6_DPR_LUT_ROUTE, { VI6_DPR_NODE_LUT, } }, +	{ VSP1_ENTITY_RPF, 0, VI6_DPR_RPF_ROUTE(0), { VI6_DPR_NODE_RPF(0), } }, +	{ VSP1_ENTITY_RPF, 1, VI6_DPR_RPF_ROUTE(1), { VI6_DPR_NODE_RPF(1), } }, +	{ VSP1_ENTITY_RPF, 2, VI6_DPR_RPF_ROUTE(2), { VI6_DPR_NODE_RPF(2), } }, +	{ VSP1_ENTITY_RPF, 3, VI6_DPR_RPF_ROUTE(3), { VI6_DPR_NODE_RPF(3), } }, +	{ VSP1_ENTITY_RPF, 4, VI6_DPR_RPF_ROUTE(4), { VI6_DPR_NODE_RPF(4), } }, +	{ VSP1_ENTITY_SRU, 0, VI6_DPR_SRU_ROUTE, { VI6_DPR_NODE_SRU, } }, +	{ VSP1_ENTITY_UDS, 0, VI6_DPR_UDS_ROUTE(0), { VI6_DPR_NODE_UDS(0), } }, +	{ VSP1_ENTITY_UDS, 1, VI6_DPR_UDS_ROUTE(1), { VI6_DPR_NODE_UDS(1), } }, +	{ VSP1_ENTITY_UDS, 2, VI6_DPR_UDS_ROUTE(2), { VI6_DPR_NODE_UDS(2), } }, +	{ VSP1_ENTITY_WPF, 0, 0, { VI6_DPR_NODE_WPF(0), } }, +	{ VSP1_ENTITY_WPF, 1, 0, { VI6_DPR_NODE_WPF(1), } }, +	{ VSP1_ENTITY_WPF, 2, 0, { VI6_DPR_NODE_WPF(2), } }, +	{ VSP1_ENTITY_WPF, 3, 0, { VI6_DPR_NODE_WPF(3), } }, +}; +  int vsp1_entity_init(struct vsp1_device *vsp1, struct vsp1_entity *entity,  		     unsigned int num_pads)  { -	static const struct { -		unsigned int id; -		unsigned int reg; -	} routes[] = { -		{ VI6_DPR_NODE_LIF, 0 }, -		{ VI6_DPR_NODE_RPF(0), VI6_DPR_RPF_ROUTE(0) }, -		{ VI6_DPR_NODE_RPF(1), VI6_DPR_RPF_ROUTE(1) }, -		{ VI6_DPR_NODE_RPF(2), VI6_DPR_RPF_ROUTE(2) }, -		{ VI6_DPR_NODE_RPF(3), VI6_DPR_RPF_ROUTE(3) }, -		{ VI6_DPR_NODE_RPF(4), VI6_DPR_RPF_ROUTE(4) }, -		{ VI6_DPR_NODE_UDS(0), VI6_DPR_UDS_ROUTE(0) }, -		{ VI6_DPR_NODE_UDS(1), VI6_DPR_UDS_ROUTE(1) }, -		{ VI6_DPR_NODE_UDS(2), VI6_DPR_UDS_ROUTE(2) }, -		{ VI6_DPR_NODE_WPF(0), 0 }, -		{ VI6_DPR_NODE_WPF(1), 0 }, -		{ VI6_DPR_NODE_WPF(2), 0 }, -		{ VI6_DPR_NODE_WPF(3), 0 }, -	}; -  	unsigned int i; -	for (i = 0; i < ARRAY_SIZE(routes); ++i) { -		if (routes[i].id == entity->id) { -			entity->route = routes[i].reg; +	for (i = 0; i < ARRAY_SIZE(vsp1_routes); ++i) { +		if (vsp1_routes[i].type == entity->type && +		    vsp1_routes[i].index == entity->index) { +			entity->route = &vsp1_routes[i];  			break;  		}  	} -	if (i == ARRAY_SIZE(routes)) +	if (i == ARRAY_SIZE(vsp1_routes))  		return -EINVAL;  	entity->vsp1 = vsp1; @@ -177,5 +185,7 @@ int vsp1_entity_init(struct vsp1_device *vsp1, struct vsp1_entity *entity,  void vsp1_entity_destroy(struct vsp1_entity *entity)  { +	if (entity->subdev.ctrl_handler) +		v4l2_ctrl_handler_free(entity->subdev.ctrl_handler);  	media_entity_cleanup(&entity->subdev.entity);  } diff --git a/drivers/media/platform/vsp1/vsp1_entity.h b/drivers/media/platform/vsp1/vsp1_entity.h index c4feab2cbb8..7afbd8a7ba6 100644 --- a/drivers/media/platform/vsp1/vsp1_entity.h +++ b/drivers/media/platform/vsp1/vsp1_entity.h @@ -1,7 +1,7 @@  /*   * vsp1_entity.h  --  R-Car VSP1 Base Entity   * - * Copyright (C) 2013 Renesas Corporation + * Copyright (C) 2013-2014 Renesas Electronics Corporation   *   * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)   * @@ -20,19 +20,42 @@  struct vsp1_device;  enum vsp1_entity_type { +	VSP1_ENTITY_BRU, +	VSP1_ENTITY_HSI, +	VSP1_ENTITY_HST,  	VSP1_ENTITY_LIF, +	VSP1_ENTITY_LUT,  	VSP1_ENTITY_RPF, +	VSP1_ENTITY_SRU,  	VSP1_ENTITY_UDS,  	VSP1_ENTITY_WPF,  }; +/* + * struct vsp1_route - Entity routing configuration + * @type: Entity type this routing entry is associated with + * @index: Entity index this routing entry is associated with + * @reg: Output routing configuration register + * @inputs: Target node value for each input + * + * Each $vsp1_route entry describes routing configuration for the entity + * specified by the entry's @type and @index. @reg indicates the register that + * holds output routing configuration for the entity, and the @inputs array + * store the target node value for each input of the entity. + */ +struct vsp1_route { +	enum vsp1_entity_type type; +	unsigned int index; +	unsigned int reg; +	unsigned int inputs[4]; +}; +  struct vsp1_entity {  	struct vsp1_device *vsp1;  	enum vsp1_entity_type type;  	unsigned int index; -	unsigned int id; -	unsigned int route; +	const struct vsp1_route *route;  	struct list_head list_dev;  	struct list_head list_pipe; @@ -41,6 +64,7 @@ struct vsp1_entity {  	unsigned int source_pad;  	struct media_entity *sink; +	unsigned int sink_pad;  	struct v4l2_subdev subdev;  	struct v4l2_mbus_framefmt *formats; diff --git a/drivers/media/platform/vsp1/vsp1_hsit.c b/drivers/media/platform/vsp1/vsp1_hsit.c new file mode 100644 index 00000000000..db2950a73c6 --- /dev/null +++ b/drivers/media/platform/vsp1/vsp1_hsit.c @@ -0,0 +1,219 @@ +/* + * vsp1_hsit.c  --  R-Car VSP1 Hue Saturation value (Inverse) Transform + * + * Copyright (C) 2013 Renesas Corporation + * + * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/device.h> +#include <linux/gfp.h> + +#include <media/v4l2-subdev.h> + +#include "vsp1.h" +#include "vsp1_hsit.h" + +#define HSIT_MIN_SIZE				4U +#define HSIT_MAX_SIZE				8190U + +/* ----------------------------------------------------------------------------- + * Device Access + */ + +static inline u32 vsp1_hsit_read(struct vsp1_hsit *hsit, u32 reg) +{ +	return vsp1_read(hsit->entity.vsp1, reg); +} + +static inline void vsp1_hsit_write(struct vsp1_hsit *hsit, u32 reg, u32 data) +{ +	vsp1_write(hsit->entity.vsp1, reg, data); +} + +/* ----------------------------------------------------------------------------- + * V4L2 Subdevice Core Operations + */ + +static int hsit_s_stream(struct v4l2_subdev *subdev, int enable) +{ +	struct vsp1_hsit *hsit = to_hsit(subdev); + +	if (!enable) +		return 0; + +	if (hsit->inverse) +		vsp1_hsit_write(hsit, VI6_HSI_CTRL, VI6_HSI_CTRL_EN); +	else +		vsp1_hsit_write(hsit, VI6_HST_CTRL, VI6_HST_CTRL_EN); + +	return 0; +} + +/* ----------------------------------------------------------------------------- + * V4L2 Subdevice Pad Operations + */ + +static int hsit_enum_mbus_code(struct v4l2_subdev *subdev, +			       struct v4l2_subdev_fh *fh, +			       struct v4l2_subdev_mbus_code_enum *code) +{ +	struct vsp1_hsit *hsit = to_hsit(subdev); + +	if (code->index > 0) +		return -EINVAL; + +	if ((code->pad == HSIT_PAD_SINK && !hsit->inverse) | +	    (code->pad == HSIT_PAD_SOURCE && hsit->inverse)) +		code->code = V4L2_MBUS_FMT_ARGB8888_1X32; +	else +		code->code = V4L2_MBUS_FMT_AHSV8888_1X32; + +	return 0; +} + +static int hsit_enum_frame_size(struct v4l2_subdev *subdev, +				struct v4l2_subdev_fh *fh, +				struct v4l2_subdev_frame_size_enum *fse) +{ +	struct v4l2_mbus_framefmt *format; + +	format = v4l2_subdev_get_try_format(fh, fse->pad); + +	if (fse->index || fse->code != format->code) +		return -EINVAL; + +	if (fse->pad == HSIT_PAD_SINK) { +		fse->min_width = HSIT_MIN_SIZE; +		fse->max_width = HSIT_MAX_SIZE; +		fse->min_height = HSIT_MIN_SIZE; +		fse->max_height = HSIT_MAX_SIZE; +	} else { +		/* The size on the source pad are fixed and always identical to +		 * the size on the sink pad. +		 */ +		fse->min_width = format->width; +		fse->max_width = format->width; +		fse->min_height = format->height; +		fse->max_height = format->height; +	} + +	return 0; +} + +static int hsit_get_format(struct v4l2_subdev *subdev, +			   struct v4l2_subdev_fh *fh, +			   struct v4l2_subdev_format *fmt) +{ +	struct vsp1_hsit *hsit = to_hsit(subdev); + +	fmt->format = *vsp1_entity_get_pad_format(&hsit->entity, fh, fmt->pad, +						  fmt->which); + +	return 0; +} + +static int hsit_set_format(struct v4l2_subdev *subdev, +			   struct v4l2_subdev_fh *fh, +			   struct v4l2_subdev_format *fmt) +{ +	struct vsp1_hsit *hsit = to_hsit(subdev); +	struct v4l2_mbus_framefmt *format; + +	format = vsp1_entity_get_pad_format(&hsit->entity, fh, fmt->pad, +					    fmt->which); + +	if (fmt->pad == HSIT_PAD_SOURCE) { +		/* The HST and HSI output format code and resolution can't be +		 * modified. +		 */ +		fmt->format = *format; +		return 0; +	} + +	format->code = hsit->inverse ? V4L2_MBUS_FMT_AHSV8888_1X32 +		     : V4L2_MBUS_FMT_ARGB8888_1X32; +	format->width = clamp_t(unsigned int, fmt->format.width, +				HSIT_MIN_SIZE, HSIT_MAX_SIZE); +	format->height = clamp_t(unsigned int, fmt->format.height, +				 HSIT_MIN_SIZE, HSIT_MAX_SIZE); +	format->field = V4L2_FIELD_NONE; +	format->colorspace = V4L2_COLORSPACE_SRGB; + +	fmt->format = *format; + +	/* Propagate the format to the source pad. */ +	format = vsp1_entity_get_pad_format(&hsit->entity, fh, HSIT_PAD_SOURCE, +					    fmt->which); +	*format = fmt->format; +	format->code = hsit->inverse ? V4L2_MBUS_FMT_ARGB8888_1X32 +		     : V4L2_MBUS_FMT_AHSV8888_1X32; + +	return 0; +} + +/* ----------------------------------------------------------------------------- + * V4L2 Subdevice Operations + */ + +static struct v4l2_subdev_video_ops hsit_video_ops = { +	.s_stream = hsit_s_stream, +}; + +static struct v4l2_subdev_pad_ops hsit_pad_ops = { +	.enum_mbus_code = hsit_enum_mbus_code, +	.enum_frame_size = hsit_enum_frame_size, +	.get_fmt = hsit_get_format, +	.set_fmt = hsit_set_format, +}; + +static struct v4l2_subdev_ops hsit_ops = { +	.video	= &hsit_video_ops, +	.pad    = &hsit_pad_ops, +}; + +/* ----------------------------------------------------------------------------- + * Initialization and Cleanup + */ + +struct vsp1_hsit *vsp1_hsit_create(struct vsp1_device *vsp1, bool inverse) +{ +	struct v4l2_subdev *subdev; +	struct vsp1_hsit *hsit; +	int ret; + +	hsit = devm_kzalloc(vsp1->dev, sizeof(*hsit), GFP_KERNEL); +	if (hsit == NULL) +		return ERR_PTR(-ENOMEM); + +	hsit->inverse = inverse; + +	if (inverse) +		hsit->entity.type = VSP1_ENTITY_HSI; +	else +		hsit->entity.type = VSP1_ENTITY_HST; + +	ret = vsp1_entity_init(vsp1, &hsit->entity, 2); +	if (ret < 0) +		return ERR_PTR(ret); + +	/* Initialize the V4L2 subdev. */ +	subdev = &hsit->entity.subdev; +	v4l2_subdev_init(subdev, &hsit_ops); + +	subdev->entity.ops = &vsp1_media_ops; +	subdev->internal_ops = &vsp1_subdev_internal_ops; +	snprintf(subdev->name, sizeof(subdev->name), "%s %s", +		 dev_name(vsp1->dev), inverse ? "hsi" : "hst"); +	v4l2_set_subdevdata(subdev, hsit); +	subdev->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; + +	vsp1_entity_init_formats(subdev, NULL); + +	return hsit; +} diff --git a/drivers/media/platform/vsp1/vsp1_hsit.h b/drivers/media/platform/vsp1/vsp1_hsit.h new file mode 100644 index 00000000000..82f1c842690 --- /dev/null +++ b/drivers/media/platform/vsp1/vsp1_hsit.h @@ -0,0 +1,38 @@ +/* + * vsp1_hsit.h  --  R-Car VSP1 Hue Saturation value (Inverse) Transform + * + * Copyright (C) 2013 Renesas Corporation + * + * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ +#ifndef __VSP1_HSIT_H__ +#define __VSP1_HSIT_H__ + +#include <media/media-entity.h> +#include <media/v4l2-subdev.h> + +#include "vsp1_entity.h" + +struct vsp1_device; + +#define HSIT_PAD_SINK				0 +#define HSIT_PAD_SOURCE				1 + +struct vsp1_hsit { +	struct vsp1_entity entity; +	bool inverse; +}; + +static inline struct vsp1_hsit *to_hsit(struct v4l2_subdev *subdev) +{ +	return container_of(subdev, struct vsp1_hsit, entity.subdev); +} + +struct vsp1_hsit *vsp1_hsit_create(struct vsp1_device *vsp1, bool inverse); + +#endif /* __VSP1_HSIT_H__ */ diff --git a/drivers/media/platform/vsp1/vsp1_lif.c b/drivers/media/platform/vsp1/vsp1_lif.c index 74a32e69ef1..d4fb23e9c4a 100644 --- a/drivers/media/platform/vsp1/vsp1_lif.c +++ b/drivers/media/platform/vsp1/vsp1_lif.c @@ -1,7 +1,7 @@  /*   * vsp1_lif.c  --  R-Car VSP1 LCD Controller Interface   * - * Copyright (C) 2013 Renesas Corporation + * Copyright (C) 2013-2014 Renesas Electronics Corporation   *   * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)   * @@ -215,7 +215,6 @@ struct vsp1_lif *vsp1_lif_create(struct vsp1_device *vsp1)  		return ERR_PTR(-ENOMEM);  	lif->entity.type = VSP1_ENTITY_LIF; -	lif->entity.id = VI6_DPR_NODE_LIF;  	ret = vsp1_entity_init(vsp1, &lif->entity, 2);  	if (ret < 0) diff --git a/drivers/media/platform/vsp1/vsp1_lif.h b/drivers/media/platform/vsp1/vsp1_lif.h index 89b93af56fd..7b35879028d 100644 --- a/drivers/media/platform/vsp1/vsp1_lif.h +++ b/drivers/media/platform/vsp1/vsp1_lif.h @@ -1,7 +1,7 @@  /*   * vsp1_lif.h  --  R-Car VSP1 LCD Controller Interface   * - * Copyright (C) 2013 Renesas Corporation + * Copyright (C) 2013-2014 Renesas Electronics Corporation   *   * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)   * diff --git a/drivers/media/platform/vsp1/vsp1_lut.c b/drivers/media/platform/vsp1/vsp1_lut.c new file mode 100644 index 00000000000..fea36ebe256 --- /dev/null +++ b/drivers/media/platform/vsp1/vsp1_lut.c @@ -0,0 +1,251 @@ +/* + * vsp1_lut.c  --  R-Car VSP1 Look-Up Table + * + * Copyright (C) 2013 Renesas Corporation + * + * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/device.h> +#include <linux/gfp.h> +#include <linux/vsp1.h> + +#include <media/v4l2-subdev.h> + +#include "vsp1.h" +#include "vsp1_lut.h" + +#define LUT_MIN_SIZE				4U +#define LUT_MAX_SIZE				8190U + +/* ----------------------------------------------------------------------------- + * Device Access + */ + +static inline u32 vsp1_lut_read(struct vsp1_lut *lut, u32 reg) +{ +	return vsp1_read(lut->entity.vsp1, reg); +} + +static inline void vsp1_lut_write(struct vsp1_lut *lut, u32 reg, u32 data) +{ +	vsp1_write(lut->entity.vsp1, reg, data); +} + +/* ----------------------------------------------------------------------------- + * V4L2 Subdevice Core Operations + */ + +static void lut_configure(struct vsp1_lut *lut, struct vsp1_lut_config *config) +{ +	memcpy_toio(lut->entity.vsp1->mmio + VI6_LUT_TABLE, config->lut, +		    sizeof(config->lut)); +} + +static long lut_ioctl(struct v4l2_subdev *subdev, unsigned int cmd, void *arg) +{ +	struct vsp1_lut *lut = to_lut(subdev); + +	switch (cmd) { +	case VIDIOC_VSP1_LUT_CONFIG: +		lut_configure(lut, arg); +		return 0; + +	default: +		return -ENOIOCTLCMD; +	} +} + +/* ----------------------------------------------------------------------------- + * V4L2 Subdevice Video Operations + */ + +static int lut_s_stream(struct v4l2_subdev *subdev, int enable) +{ +	struct vsp1_lut *lut = to_lut(subdev); + +	if (!enable) +		return 0; + +	vsp1_lut_write(lut, VI6_LUT_CTRL, VI6_LUT_CTRL_EN); + +	return 0; +} + +/* ----------------------------------------------------------------------------- + * V4L2 Subdevice Pad Operations + */ + +static int lut_enum_mbus_code(struct v4l2_subdev *subdev, +			      struct v4l2_subdev_fh *fh, +			      struct v4l2_subdev_mbus_code_enum *code) +{ +	static const unsigned int codes[] = { +		V4L2_MBUS_FMT_ARGB8888_1X32, +		V4L2_MBUS_FMT_AHSV8888_1X32, +		V4L2_MBUS_FMT_AYUV8_1X32, +	}; +	struct v4l2_mbus_framefmt *format; + +	if (code->pad == LUT_PAD_SINK) { +		if (code->index >= ARRAY_SIZE(codes)) +			return -EINVAL; + +		code->code = codes[code->index]; +	} else { +		/* The LUT can't perform format conversion, the sink format is +		 * always identical to the source format. +		 */ +		if (code->index) +			return -EINVAL; + +		format = v4l2_subdev_get_try_format(fh, LUT_PAD_SINK); +		code->code = format->code; +	} + +	return 0; +} + +static int lut_enum_frame_size(struct v4l2_subdev *subdev, +			       struct v4l2_subdev_fh *fh, +			       struct v4l2_subdev_frame_size_enum *fse) +{ +	struct v4l2_mbus_framefmt *format; + +	format = v4l2_subdev_get_try_format(fh, fse->pad); + +	if (fse->index || fse->code != format->code) +		return -EINVAL; + +	if (fse->pad == LUT_PAD_SINK) { +		fse->min_width = LUT_MIN_SIZE; +		fse->max_width = LUT_MAX_SIZE; +		fse->min_height = LUT_MIN_SIZE; +		fse->max_height = LUT_MAX_SIZE; +	} else { +		/* The size on the source pad are fixed and always identical to +		 * the size on the sink pad. +		 */ +		fse->min_width = format->width; +		fse->max_width = format->width; +		fse->min_height = format->height; +		fse->max_height = format->height; +	} + +	return 0; +} + +static int lut_get_format(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh, +			  struct v4l2_subdev_format *fmt) +{ +	struct vsp1_lut *lut = to_lut(subdev); + +	fmt->format = *vsp1_entity_get_pad_format(&lut->entity, fh, fmt->pad, +						  fmt->which); + +	return 0; +} + +static int lut_set_format(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh, +			  struct v4l2_subdev_format *fmt) +{ +	struct vsp1_lut *lut = to_lut(subdev); +	struct v4l2_mbus_framefmt *format; + +	/* Default to YUV if the requested format is not supported. */ +	if (fmt->format.code != V4L2_MBUS_FMT_ARGB8888_1X32 && +	    fmt->format.code != V4L2_MBUS_FMT_AHSV8888_1X32 && +	    fmt->format.code != V4L2_MBUS_FMT_AYUV8_1X32) +		fmt->format.code = V4L2_MBUS_FMT_AYUV8_1X32; + +	format = vsp1_entity_get_pad_format(&lut->entity, fh, fmt->pad, +					    fmt->which); + +	if (fmt->pad == LUT_PAD_SOURCE) { +		/* The LUT output format can't be modified. */ +		fmt->format = *format; +		return 0; +	} + +	format->width = clamp_t(unsigned int, fmt->format.width, +				LUT_MIN_SIZE, LUT_MAX_SIZE); +	format->height = clamp_t(unsigned int, fmt->format.height, +				 LUT_MIN_SIZE, LUT_MAX_SIZE); +	format->field = V4L2_FIELD_NONE; +	format->colorspace = V4L2_COLORSPACE_SRGB; + +	fmt->format = *format; + +	/* Propagate the format to the source pad. */ +	format = vsp1_entity_get_pad_format(&lut->entity, fh, LUT_PAD_SOURCE, +					    fmt->which); +	*format = fmt->format; + +	return 0; +} + +/* ----------------------------------------------------------------------------- + * V4L2 Subdevice Operations + */ + +static struct v4l2_subdev_core_ops lut_core_ops = { +	.ioctl = lut_ioctl, +}; + +static struct v4l2_subdev_video_ops lut_video_ops = { +	.s_stream = lut_s_stream, +}; + +static struct v4l2_subdev_pad_ops lut_pad_ops = { +	.enum_mbus_code = lut_enum_mbus_code, +	.enum_frame_size = lut_enum_frame_size, +	.get_fmt = lut_get_format, +	.set_fmt = lut_set_format, +}; + +static struct v4l2_subdev_ops lut_ops = { +	.core	= &lut_core_ops, +	.video	= &lut_video_ops, +	.pad    = &lut_pad_ops, +}; + +/* ----------------------------------------------------------------------------- + * Initialization and Cleanup + */ + +struct vsp1_lut *vsp1_lut_create(struct vsp1_device *vsp1) +{ +	struct v4l2_subdev *subdev; +	struct vsp1_lut *lut; +	int ret; + +	lut = devm_kzalloc(vsp1->dev, sizeof(*lut), GFP_KERNEL); +	if (lut == NULL) +		return ERR_PTR(-ENOMEM); + +	lut->entity.type = VSP1_ENTITY_LUT; + +	ret = vsp1_entity_init(vsp1, &lut->entity, 2); +	if (ret < 0) +		return ERR_PTR(ret); + +	/* Initialize the V4L2 subdev. */ +	subdev = &lut->entity.subdev; +	v4l2_subdev_init(subdev, &lut_ops); + +	subdev->entity.ops = &vsp1_media_ops; +	subdev->internal_ops = &vsp1_subdev_internal_ops; +	snprintf(subdev->name, sizeof(subdev->name), "%s lut", +		 dev_name(vsp1->dev)); +	v4l2_set_subdevdata(subdev, lut); +	subdev->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; + +	vsp1_entity_init_formats(subdev, NULL); + +	return lut; +} diff --git a/drivers/media/platform/vsp1/vsp1_lut.h b/drivers/media/platform/vsp1/vsp1_lut.h new file mode 100644 index 00000000000..f92ffb86735 --- /dev/null +++ b/drivers/media/platform/vsp1/vsp1_lut.h @@ -0,0 +1,38 @@ +/* + * vsp1_lut.h  --  R-Car VSP1 Look-Up Table + * + * Copyright (C) 2013 Renesas Corporation + * + * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ +#ifndef __VSP1_LUT_H__ +#define __VSP1_LUT_H__ + +#include <media/media-entity.h> +#include <media/v4l2-subdev.h> + +#include "vsp1_entity.h" + +struct vsp1_device; + +#define LUT_PAD_SINK				0 +#define LUT_PAD_SOURCE				1 + +struct vsp1_lut { +	struct vsp1_entity entity; +	u32 lut[256]; +}; + +static inline struct vsp1_lut *to_lut(struct v4l2_subdev *subdev) +{ +	return container_of(subdev, struct vsp1_lut, entity.subdev); +} + +struct vsp1_lut *vsp1_lut_create(struct vsp1_device *vsp1); + +#endif /* __VSP1_LUT_H__ */ diff --git a/drivers/media/platform/vsp1/vsp1_regs.h b/drivers/media/platform/vsp1/vsp1_regs.h index 1d3304f1365..3e74b44286f 100644 --- a/drivers/media/platform/vsp1/vsp1_regs.h +++ b/drivers/media/platform/vsp1/vsp1_regs.h @@ -336,8 +336,21 @@   */  #define VI6_SRU_CTRL0			0x2200 +#define VI6_SRU_CTRL0_PARAM0_SHIFT	16 +#define VI6_SRU_CTRL0_PARAM1_SHIFT	8 +#define VI6_SRU_CTRL0_MODE_UPSCALE	(4 << 4) +#define VI6_SRU_CTRL0_PARAM2		(1 << 3) +#define VI6_SRU_CTRL0_PARAM3		(1 << 2) +#define VI6_SRU_CTRL0_PARAM4		(1 << 1) +#define VI6_SRU_CTRL0_EN		(1 << 0) +  #define VI6_SRU_CTRL1			0x2204 +#define VI6_SRU_CTRL1_PARAM5		0x7ff +  #define VI6_SRU_CTRL2			0x2208 +#define VI6_SRU_CTRL2_PARAM6_SHIFT	16 +#define VI6_SRU_CTRL2_PARAM7_SHIFT	8 +#define VI6_SRU_CTRL2_PARAM8_SHIFT	0  /* -----------------------------------------------------------------------------   * UDS Control Registers @@ -412,6 +425,7 @@   */  #define VI6_LUT_CTRL			0x2800 +#define VI6_LUT_CTRL_EN			(1 << 0)  /* -----------------------------------------------------------------------------   * CLU Control Registers @@ -424,24 +438,124 @@   */  #define VI6_HST_CTRL			0x2a00 +#define VI6_HST_CTRL_EN			(1 << 0)  /* -----------------------------------------------------------------------------   * HSI Control Registers   */  #define VI6_HSI_CTRL			0x2b00 +#define VI6_HSI_CTRL_EN			(1 << 0)  /* -----------------------------------------------------------------------------   * BRU Control Registers   */ +#define VI6_ROP_NOP			0 +#define VI6_ROP_AND			1 +#define VI6_ROP_AND_REV			2 +#define VI6_ROP_COPY			3 +#define VI6_ROP_AND_INV			4 +#define VI6_ROP_CLEAR			5 +#define VI6_ROP_XOR			6 +#define VI6_ROP_OR			7 +#define VI6_ROP_NOR			8 +#define VI6_ROP_EQUIV			9 +#define VI6_ROP_INVERT			10 +#define VI6_ROP_OR_REV			11 +#define VI6_ROP_COPY_INV		12 +#define VI6_ROP_OR_INV			13 +#define VI6_ROP_NAND			14 +#define VI6_ROP_SET			15 +  #define VI6_BRU_INCTRL			0x2c00 +#define VI6_BRU_INCTRL_NRM		(1 << 28) +#define VI6_BRU_INCTRL_DnON		(1 << (16 + (n))) +#define VI6_BRU_INCTRL_DITHn_OFF	(0 << ((n) * 4)) +#define VI6_BRU_INCTRL_DITHn_18BPP	(1 << ((n) * 4)) +#define VI6_BRU_INCTRL_DITHn_16BPP	(2 << ((n) * 4)) +#define VI6_BRU_INCTRL_DITHn_15BPP	(3 << ((n) * 4)) +#define VI6_BRU_INCTRL_DITHn_12BPP	(4 << ((n) * 4)) +#define VI6_BRU_INCTRL_DITHn_8BPP	(5 << ((n) * 4)) +#define VI6_BRU_INCTRL_DITHn_MASK	(7 << ((n) * 4)) +#define VI6_BRU_INCTRL_DITHn_SHIFT	((n) * 4) +  #define VI6_BRU_VIRRPF_SIZE		0x2c04 +#define VI6_BRU_VIRRPF_SIZE_HSIZE_MASK	(0x1fff << 16) +#define VI6_BRU_VIRRPF_SIZE_HSIZE_SHIFT	16 +#define VI6_BRU_VIRRPF_SIZE_VSIZE_MASK	(0x1fff << 0) +#define VI6_BRU_VIRRPF_SIZE_VSIZE_SHIFT	0 +  #define VI6_BRU_VIRRPF_LOC		0x2c08 +#define VI6_BRU_VIRRPF_LOC_HCOORD_MASK	(0x1fff << 16) +#define VI6_BRU_VIRRPF_LOC_HCOORD_SHIFT	16 +#define VI6_BRU_VIRRPF_LOC_VCOORD_MASK	(0x1fff << 0) +#define VI6_BRU_VIRRPF_LOC_VCOORD_SHIFT	0 +  #define VI6_BRU_VIRRPF_COL		0x2c0c +#define VI6_BRU_VIRRPF_COL_A_MASK	(0xff << 24) +#define VI6_BRU_VIRRPF_COL_A_SHIFT	24 +#define VI6_BRU_VIRRPF_COL_RCR_MASK	(0xff << 16) +#define VI6_BRU_VIRRPF_COL_RCR_SHIFT	16 +#define VI6_BRU_VIRRPF_COL_GY_MASK	(0xff << 8) +#define VI6_BRU_VIRRPF_COL_GY_SHIFT	8 +#define VI6_BRU_VIRRPF_COL_BCB_MASK	(0xff << 0) +#define VI6_BRU_VIRRPF_COL_BCB_SHIFT	0 +  #define VI6_BRU_CTRL(n)			(0x2c10 + (n) * 8) +#define VI6_BRU_CTRL_RBC		(1 << 31) +#define VI6_BRU_CTRL_DSTSEL_BRUIN(n)	((n) << 20) +#define VI6_BRU_CTRL_DSTSEL_VRPF	(4 << 20) +#define VI6_BRU_CTRL_DSTSEL_MASK	(7 << 20) +#define VI6_BRU_CTRL_SRCSEL_BRUIN(n)	((n) << 16) +#define VI6_BRU_CTRL_SRCSEL_VRPF	(4 << 16) +#define VI6_BRU_CTRL_SRCSEL_MASK	(7 << 16) +#define VI6_BRU_CTRL_CROP(rop)		((rop) << 4) +#define VI6_BRU_CTRL_CROP_MASK		(0xf << 4) +#define VI6_BRU_CTRL_AROP(rop)		((rop) << 0) +#define VI6_BRU_CTRL_AROP_MASK		(0xf << 0) +  #define VI6_BRU_BLD(n)			(0x2c14 + (n) * 8) +#define VI6_BRU_BLD_CBES		(1 << 31) +#define VI6_BRU_BLD_CCMDX_DST_A		(0 << 28) +#define VI6_BRU_BLD_CCMDX_255_DST_A	(1 << 28) +#define VI6_BRU_BLD_CCMDX_SRC_A		(2 << 28) +#define VI6_BRU_BLD_CCMDX_255_SRC_A	(3 << 28) +#define VI6_BRU_BLD_CCMDX_COEFX		(4 << 28) +#define VI6_BRU_BLD_CCMDX_MASK		(7 << 28) +#define VI6_BRU_BLD_CCMDY_DST_A		(0 << 24) +#define VI6_BRU_BLD_CCMDY_255_DST_A	(1 << 24) +#define VI6_BRU_BLD_CCMDY_SRC_A		(2 << 24) +#define VI6_BRU_BLD_CCMDY_255_SRC_A	(3 << 24) +#define VI6_BRU_BLD_CCMDY_COEFY		(4 << 24) +#define VI6_BRU_BLD_CCMDY_MASK		(7 << 24) +#define VI6_BRU_BLD_CCMDY_SHIFT		24 +#define VI6_BRU_BLD_ABES		(1 << 23) +#define VI6_BRU_BLD_ACMDX_DST_A		(0 << 20) +#define VI6_BRU_BLD_ACMDX_255_DST_A	(1 << 20) +#define VI6_BRU_BLD_ACMDX_SRC_A		(2 << 20) +#define VI6_BRU_BLD_ACMDX_255_SRC_A	(3 << 20) +#define VI6_BRU_BLD_ACMDX_COEFX		(4 << 20) +#define VI6_BRU_BLD_ACMDX_MASK		(7 << 20) +#define VI6_BRU_BLD_ACMDY_DST_A		(0 << 16) +#define VI6_BRU_BLD_ACMDY_255_DST_A	(1 << 16) +#define VI6_BRU_BLD_ACMDY_SRC_A		(2 << 16) +#define VI6_BRU_BLD_ACMDY_255_SRC_A	(3 << 16) +#define VI6_BRU_BLD_ACMDY_COEFY		(4 << 16) +#define VI6_BRU_BLD_ACMDY_MASK		(7 << 16) +#define VI6_BRU_BLD_COEFX_MASK		(0xff << 8) +#define VI6_BRU_BLD_COEFX_SHIFT		8 +#define VI6_BRU_BLD_COEFY_MASK		(0xff << 0) +#define VI6_BRU_BLD_COEFY_SHIFT		0 +  #define VI6_BRU_ROP			0x2c30 +#define VI6_BRU_ROP_DSTSEL_BRUIN(n)	((n) << 20) +#define VI6_BRU_ROP_DSTSEL_VRPF		(4 << 20) +#define VI6_BRU_ROP_DSTSEL_MASK		(7 << 20) +#define VI6_BRU_ROP_CROP(rop)		((rop) << 4) +#define VI6_BRU_ROP_CROP_MASK		(0xf << 4) +#define VI6_BRU_ROP_AROP(rop)		((rop) << 0) +#define VI6_BRU_ROP_AROP_MASK		(0xf << 0)  /* -----------------------------------------------------------------------------   * HGO Control Registers diff --git a/drivers/media/platform/vsp1/vsp1_rpf.c b/drivers/media/platform/vsp1/vsp1_rpf.c index 254871d3423..c3d98642a4a 100644 --- a/drivers/media/platform/vsp1/vsp1_rpf.c +++ b/drivers/media/platform/vsp1/vsp1_rpf.c @@ -1,7 +1,7 @@  /*   * vsp1_rpf.c  --  R-Car VSP1 Read Pixel Formatter   * - * Copyright (C) 2013 Renesas Corporation + * Copyright (C) 2013-2014 Renesas Electronics Corporation   *   * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)   * @@ -47,25 +47,36 @@ static int rpf_s_stream(struct v4l2_subdev *subdev, int enable)  	struct vsp1_rwpf *rpf = to_rwpf(subdev);  	const struct vsp1_format_info *fmtinfo = rpf->video.fmtinfo;  	const struct v4l2_pix_format_mplane *format = &rpf->video.format; +	const struct v4l2_rect *crop = &rpf->crop;  	u32 pstride;  	u32 infmt;  	if (!enable)  		return 0; -	/* Source size and stride. Cropping isn't supported yet. */ +	/* Source size, stride and crop offsets. +	 * +	 * The crop offsets correspond to the location of the crop rectangle top +	 * left corner in the plane buffer. Only two offsets are needed, as +	 * planes 2 and 3 always have identical strides. +	 */  	vsp1_rpf_write(rpf, VI6_RPF_SRC_BSIZE, -		       (format->width << VI6_RPF_SRC_BSIZE_BHSIZE_SHIFT) | -		       (format->height << VI6_RPF_SRC_BSIZE_BVSIZE_SHIFT)); +		       (crop->width << VI6_RPF_SRC_BSIZE_BHSIZE_SHIFT) | +		       (crop->height << VI6_RPF_SRC_BSIZE_BVSIZE_SHIFT));  	vsp1_rpf_write(rpf, VI6_RPF_SRC_ESIZE, -		       (format->width << VI6_RPF_SRC_ESIZE_EHSIZE_SHIFT) | -		       (format->height << VI6_RPF_SRC_ESIZE_EVSIZE_SHIFT)); +		       (crop->width << VI6_RPF_SRC_ESIZE_EHSIZE_SHIFT) | +		       (crop->height << VI6_RPF_SRC_ESIZE_EVSIZE_SHIFT)); +	rpf->offsets[0] = crop->top * format->plane_fmt[0].bytesperline +			+ crop->left * fmtinfo->bpp[0] / 8;  	pstride = format->plane_fmt[0].bytesperline  		<< VI6_RPF_SRCM_PSTRIDE_Y_SHIFT; -	if (format->num_planes > 1) +	if (format->num_planes > 1) { +		rpf->offsets[1] = crop->top * format->plane_fmt[1].bytesperline +				+ crop->left * fmtinfo->bpp[1] / 8;  		pstride |= format->plane_fmt[1].bytesperline  			<< VI6_RPF_SRCM_PSTRIDE_C_SHIFT; +	}  	vsp1_rpf_write(rpf, VI6_RPF_SRCM_PSTRIDE, pstride); @@ -85,8 +96,10 @@ static int rpf_s_stream(struct v4l2_subdev *subdev, int enable)  	vsp1_rpf_write(rpf, VI6_RPF_INFMT, infmt);  	vsp1_rpf_write(rpf, VI6_RPF_DSWAP, fmtinfo->swap); -	/* Output location. Composing isn't supported yet. */ -	vsp1_rpf_write(rpf, VI6_RPF_LOC, 0); +	/* Output location */ +	vsp1_rpf_write(rpf, VI6_RPF_LOC, +		       (rpf->location.left << VI6_RPF_LOC_HCOORD_SHIFT) | +		       (rpf->location.top << VI6_RPF_LOC_VCOORD_SHIFT));  	/* Disable alpha, mask and color key. Set the alpha channel to a fixed  	 * value of 255. @@ -113,6 +126,8 @@ static struct v4l2_subdev_pad_ops rpf_pad_ops = {  	.enum_frame_size = vsp1_rwpf_enum_frame_size,  	.get_fmt = vsp1_rwpf_get_format,  	.set_fmt = vsp1_rwpf_set_format, +	.get_selection = vsp1_rwpf_get_selection, +	.set_selection = vsp1_rwpf_set_selection,  };  static struct v4l2_subdev_ops rpf_ops = { @@ -129,11 +144,14 @@ static void rpf_vdev_queue(struct vsp1_video *video,  {  	struct vsp1_rwpf *rpf = container_of(video, struct vsp1_rwpf, video); -	vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_Y, buf->addr[0]); +	vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_Y, +		       buf->addr[0] + rpf->offsets[0]);  	if (buf->buf.num_planes > 1) -		vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_C0, buf->addr[1]); +		vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_C0, +			       buf->addr[1] + rpf->offsets[1]);  	if (buf->buf.num_planes > 2) -		vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_C1, buf->addr[2]); +		vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_C1, +			       buf->addr[2] + rpf->offsets[1]);  }  static const struct vsp1_video_operations rpf_vdev_ops = { @@ -160,7 +178,6 @@ struct vsp1_rwpf *vsp1_rpf_create(struct vsp1_device *vsp1, unsigned int index)  	rpf->entity.type = VSP1_ENTITY_RPF;  	rpf->entity.index = index; -	rpf->entity.id = VI6_DPR_NODE_RPF(index);  	ret = vsp1_entity_init(vsp1, &rpf->entity, 2);  	if (ret < 0) diff --git a/drivers/media/platform/vsp1/vsp1_rwpf.c b/drivers/media/platform/vsp1/vsp1_rwpf.c index 9752d5516ce..ec3dab6a9b9 100644 --- a/drivers/media/platform/vsp1/vsp1_rwpf.c +++ b/drivers/media/platform/vsp1/vsp1_rwpf.c @@ -1,7 +1,7 @@  /*   * vsp1_rwpf.c  --  R-Car VSP1 Read and Write Pixel Formatters   * - * Copyright (C) 2013 Renesas Corporation + * Copyright (C) 2013-2014 Renesas Electronics Corporation   *   * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)   * @@ -71,6 +71,19 @@ int vsp1_rwpf_enum_frame_size(struct v4l2_subdev *subdev,  	return 0;  } +static struct v4l2_rect * +vsp1_rwpf_get_crop(struct vsp1_rwpf *rwpf, struct v4l2_subdev_fh *fh, u32 which) +{ +	switch (which) { +	case V4L2_SUBDEV_FORMAT_TRY: +		return v4l2_subdev_get_try_crop(fh, RWPF_PAD_SINK); +	case V4L2_SUBDEV_FORMAT_ACTIVE: +		return &rwpf->crop; +	default: +		return NULL; +	} +} +  int vsp1_rwpf_get_format(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh,  			 struct v4l2_subdev_format *fmt)  { @@ -87,6 +100,7 @@ int vsp1_rwpf_set_format(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh,  {  	struct vsp1_rwpf *rwpf = to_rwpf(subdev);  	struct v4l2_mbus_framefmt *format; +	struct v4l2_rect *crop;  	/* Default to YUV if the requested format is not supported. */  	if (fmt->format.code != V4L2_MBUS_FMT_ARGB8888_1X32 && @@ -115,6 +129,13 @@ int vsp1_rwpf_set_format(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh,  	fmt->format = *format; +	/* Update the sink crop rectangle. */ +	crop = vsp1_rwpf_get_crop(rwpf, fh, fmt->which); +	crop->left = 0; +	crop->top = 0; +	crop->width = fmt->format.width; +	crop->height = fmt->format.height; +  	/* Propagate the format to the source pad. */  	format = vsp1_entity_get_pad_format(&rwpf->entity, fh, RWPF_PAD_SOURCE,  					    fmt->which); @@ -122,3 +143,78 @@ int vsp1_rwpf_set_format(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh,  	return 0;  } + +int vsp1_rwpf_get_selection(struct v4l2_subdev *subdev, +			    struct v4l2_subdev_fh *fh, +			    struct v4l2_subdev_selection *sel) +{ +	struct vsp1_rwpf *rwpf = to_rwpf(subdev); +	struct v4l2_mbus_framefmt *format; + +	/* Cropping is implemented on the sink pad. */ +	if (sel->pad != RWPF_PAD_SINK) +		return -EINVAL; + +	switch (sel->target) { +	case V4L2_SEL_TGT_CROP: +		sel->r = *vsp1_rwpf_get_crop(rwpf, fh, sel->which); +		break; + +	case V4L2_SEL_TGT_CROP_BOUNDS: +		format = vsp1_entity_get_pad_format(&rwpf->entity, fh, +						    RWPF_PAD_SINK, sel->which); +		sel->r.left = 0; +		sel->r.top = 0; +		sel->r.width = format->width; +		sel->r.height = format->height; +		break; + +	default: +		return -EINVAL; +	} + +	return 0; +} + +int vsp1_rwpf_set_selection(struct v4l2_subdev *subdev, +			    struct v4l2_subdev_fh *fh, +			    struct v4l2_subdev_selection *sel) +{ +	struct vsp1_rwpf *rwpf = to_rwpf(subdev); +	struct v4l2_mbus_framefmt *format; +	struct v4l2_rect *crop; + +	/* Cropping is implemented on the sink pad. */ +	if (sel->pad != RWPF_PAD_SINK) +		return -EINVAL; + +	if (sel->target != V4L2_SEL_TGT_CROP) +		return -EINVAL; + +	/* Make sure the crop rectangle is entirely contained in the image. The +	 * WPF top and left offsets are limited to 255. +	 */ +	format = vsp1_entity_get_pad_format(&rwpf->entity, fh, RWPF_PAD_SINK, +					    sel->which); +	sel->r.left = min_t(unsigned int, sel->r.left, format->width - 2); +	sel->r.top = min_t(unsigned int, sel->r.top, format->height - 2); +	if (rwpf->entity.type == VSP1_ENTITY_WPF) { +		sel->r.left = min_t(unsigned int, sel->r.left, 255); +		sel->r.top = min_t(unsigned int, sel->r.top, 255); +	} +	sel->r.width = min_t(unsigned int, sel->r.width, +			     format->width - sel->r.left); +	sel->r.height = min_t(unsigned int, sel->r.height, +			      format->height - sel->r.top); + +	crop = vsp1_rwpf_get_crop(rwpf, fh, sel->which); +	*crop = sel->r; + +	/* Propagate the format to the source pad. */ +	format = vsp1_entity_get_pad_format(&rwpf->entity, fh, RWPF_PAD_SOURCE, +					    sel->which); +	format->width = crop->width; +	format->height = crop->height; + +	return 0; +} diff --git a/drivers/media/platform/vsp1/vsp1_rwpf.h b/drivers/media/platform/vsp1/vsp1_rwpf.h index c182d85f36b..b4fb65e5877 100644 --- a/drivers/media/platform/vsp1/vsp1_rwpf.h +++ b/drivers/media/platform/vsp1/vsp1_rwpf.h @@ -1,7 +1,7 @@  /*   * vsp1_rwpf.h  --  R-Car VSP1 Read and Write Pixel Formatters   * - * Copyright (C) 2013 Renesas Corporation + * Copyright (C) 2013-2014 Renesas Electronics Corporation   *   * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)   * @@ -29,6 +29,14 @@ struct vsp1_rwpf {  	unsigned int max_width;  	unsigned int max_height; + +	struct { +		unsigned int left; +		unsigned int top; +	} location; +	struct v4l2_rect crop; + +	unsigned int offsets[2];  };  static inline struct vsp1_rwpf *to_rwpf(struct v4l2_subdev *subdev) @@ -49,5 +57,11 @@ int vsp1_rwpf_get_format(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh,  			 struct v4l2_subdev_format *fmt);  int vsp1_rwpf_set_format(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh,  			 struct v4l2_subdev_format *fmt); +int vsp1_rwpf_get_selection(struct v4l2_subdev *subdev, +			    struct v4l2_subdev_fh *fh, +			    struct v4l2_subdev_selection *sel); +int vsp1_rwpf_set_selection(struct v4l2_subdev *subdev, +			    struct v4l2_subdev_fh *fh, +			    struct v4l2_subdev_selection *sel);  #endif /* __VSP1_RWPF_H__ */ diff --git a/drivers/media/platform/vsp1/vsp1_sru.c b/drivers/media/platform/vsp1/vsp1_sru.c new file mode 100644 index 00000000000..aa0e04c56f3 --- /dev/null +++ b/drivers/media/platform/vsp1/vsp1_sru.c @@ -0,0 +1,355 @@ +/* + * vsp1_sru.c  --  R-Car VSP1 Super Resolution Unit + * + * Copyright (C) 2013 Renesas Corporation + * + * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/device.h> +#include <linux/gfp.h> + +#include <media/v4l2-subdev.h> + +#include "vsp1.h" +#include "vsp1_sru.h" + +#define SRU_MIN_SIZE				4U +#define SRU_MAX_SIZE				8190U + +/* ----------------------------------------------------------------------------- + * Device Access + */ + +static inline u32 vsp1_sru_read(struct vsp1_sru *sru, u32 reg) +{ +	return vsp1_read(sru->entity.vsp1, reg); +} + +static inline void vsp1_sru_write(struct vsp1_sru *sru, u32 reg, u32 data) +{ +	vsp1_write(sru->entity.vsp1, reg, data); +} + +/* ----------------------------------------------------------------------------- + * Controls + */ + +#define V4L2_CID_VSP1_SRU_INTENSITY		(V4L2_CID_USER_BASE + 1) + +static int sru_s_ctrl(struct v4l2_ctrl *ctrl) +{ +	struct vsp1_sru *sru = +		container_of(ctrl->handler, struct vsp1_sru, ctrls); + +	switch (ctrl->id) { +	case V4L2_CID_VSP1_SRU_INTENSITY: +		sru->intensity = ctrl->val; +		break; +	} + +	return 0; +} + +static const struct v4l2_ctrl_ops sru_ctrl_ops = { +	.s_ctrl = sru_s_ctrl, +}; + +static const struct v4l2_ctrl_config sru_intensity_control = { +	.ops = &sru_ctrl_ops, +	.id = V4L2_CID_VSP1_SRU_INTENSITY, +	.name = "Intensity", +	.type = V4L2_CTRL_TYPE_INTEGER, +	.min = 1, +	.max = 6, +	.step = 1, +}; + +/* ----------------------------------------------------------------------------- + * V4L2 Subdevice Core Operations + */ + +struct vsp1_sru_param { +	u32 ctrl0; +	u32 ctrl2; +}; + +#define VI6_SRU_CTRL0_PARAMS(p0, p1)			\ +	(((p0) << VI6_SRU_CTRL0_PARAM0_SHIFT) |		\ +	 ((p1) << VI6_SRU_CTRL0_PARAM1_SHIFT)) + +#define VI6_SRU_CTRL2_PARAMS(p6, p7, p8)		\ +	(((p6) << VI6_SRU_CTRL2_PARAM6_SHIFT) |		\ +	 ((p7) << VI6_SRU_CTRL2_PARAM7_SHIFT) |		\ +	 ((p8) << VI6_SRU_CTRL2_PARAM8_SHIFT)) + +static const struct vsp1_sru_param vsp1_sru_params[] = { +	{ +		.ctrl0 = VI6_SRU_CTRL0_PARAMS(256, 4) | VI6_SRU_CTRL0_EN, +		.ctrl2 = VI6_SRU_CTRL2_PARAMS(24, 40, 255), +	}, { +		.ctrl0 = VI6_SRU_CTRL0_PARAMS(256, 4) | VI6_SRU_CTRL0_EN, +		.ctrl2 = VI6_SRU_CTRL2_PARAMS(8, 16, 255), +	}, { +		.ctrl0 = VI6_SRU_CTRL0_PARAMS(384, 5) | VI6_SRU_CTRL0_EN, +		.ctrl2 = VI6_SRU_CTRL2_PARAMS(36, 60, 255), +	}, { +		.ctrl0 = VI6_SRU_CTRL0_PARAMS(384, 5) | VI6_SRU_CTRL0_EN, +		.ctrl2 = VI6_SRU_CTRL2_PARAMS(12, 27, 255), +	}, { +		.ctrl0 = VI6_SRU_CTRL0_PARAMS(511, 6) | VI6_SRU_CTRL0_EN, +		.ctrl2 = VI6_SRU_CTRL2_PARAMS(48, 80, 255), +	}, { +		.ctrl0 = VI6_SRU_CTRL0_PARAMS(511, 6) | VI6_SRU_CTRL0_EN, +		.ctrl2 = VI6_SRU_CTRL2_PARAMS(16, 36, 255), +	}, +}; + +static int sru_s_stream(struct v4l2_subdev *subdev, int enable) +{ +	struct vsp1_sru *sru = to_sru(subdev); +	const struct vsp1_sru_param *param; +	struct v4l2_mbus_framefmt *input; +	struct v4l2_mbus_framefmt *output; +	bool upscale; +	u32 ctrl0; + +	if (!enable) +		return 0; + +	input = &sru->entity.formats[SRU_PAD_SINK]; +	output = &sru->entity.formats[SRU_PAD_SOURCE]; +	upscale = input->width != output->width; +	param = &vsp1_sru_params[sru->intensity]; + +	if (input->code == V4L2_MBUS_FMT_ARGB8888_1X32) +		ctrl0 = VI6_SRU_CTRL0_PARAM2 | VI6_SRU_CTRL0_PARAM3 +		      | VI6_SRU_CTRL0_PARAM4; +	else +		ctrl0 = VI6_SRU_CTRL0_PARAM3; + +	vsp1_sru_write(sru, VI6_SRU_CTRL0, param->ctrl0 | ctrl0 | +		       (upscale ? VI6_SRU_CTRL0_MODE_UPSCALE : 0)); +	vsp1_sru_write(sru, VI6_SRU_CTRL1, VI6_SRU_CTRL1_PARAM5); +	vsp1_sru_write(sru, VI6_SRU_CTRL2, param->ctrl2); + +	return 0; +} + +/* ----------------------------------------------------------------------------- + * V4L2 Subdevice Pad Operations + */ + +static int sru_enum_mbus_code(struct v4l2_subdev *subdev, +			      struct v4l2_subdev_fh *fh, +			      struct v4l2_subdev_mbus_code_enum *code) +{ +	static const unsigned int codes[] = { +		V4L2_MBUS_FMT_ARGB8888_1X32, +		V4L2_MBUS_FMT_AYUV8_1X32, +	}; +	struct v4l2_mbus_framefmt *format; + +	if (code->pad == SRU_PAD_SINK) { +		if (code->index >= ARRAY_SIZE(codes)) +			return -EINVAL; + +		code->code = codes[code->index]; +	} else { +		/* The SRU can't perform format conversion, the sink format is +		 * always identical to the source format. +		 */ +		if (code->index) +			return -EINVAL; + +		format = v4l2_subdev_get_try_format(fh, SRU_PAD_SINK); +		code->code = format->code; +	} + +	return 0; +} + +static int sru_enum_frame_size(struct v4l2_subdev *subdev, +			       struct v4l2_subdev_fh *fh, +			       struct v4l2_subdev_frame_size_enum *fse) +{ +	struct v4l2_mbus_framefmt *format; + +	format = v4l2_subdev_get_try_format(fh, SRU_PAD_SINK); + +	if (fse->index || fse->code != format->code) +		return -EINVAL; + +	if (fse->pad == SRU_PAD_SINK) { +		fse->min_width = SRU_MIN_SIZE; +		fse->max_width = SRU_MAX_SIZE; +		fse->min_height = SRU_MIN_SIZE; +		fse->max_height = SRU_MAX_SIZE; +	} else { +		fse->min_width = format->width; +		fse->min_height = format->height; +		if (format->width <= SRU_MAX_SIZE / 2 && +		    format->height <= SRU_MAX_SIZE / 2) { +			fse->max_width = format->width * 2; +			fse->max_height = format->height * 2; +		} else { +			fse->max_width = format->width; +			fse->max_height = format->height; +		} +	} + +	return 0; +} + +static int sru_get_format(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh, +			  struct v4l2_subdev_format *fmt) +{ +	struct vsp1_sru *sru = to_sru(subdev); + +	fmt->format = *vsp1_entity_get_pad_format(&sru->entity, fh, fmt->pad, +						  fmt->which); + +	return 0; +} + +static void sru_try_format(struct vsp1_sru *sru, struct v4l2_subdev_fh *fh, +			   unsigned int pad, struct v4l2_mbus_framefmt *fmt, +			   enum v4l2_subdev_format_whence which) +{ +	struct v4l2_mbus_framefmt *format; +	unsigned int input_area; +	unsigned int output_area; + +	switch (pad) { +	case SRU_PAD_SINK: +		/* Default to YUV if the requested format is not supported. */ +		if (fmt->code != V4L2_MBUS_FMT_ARGB8888_1X32 && +		    fmt->code != V4L2_MBUS_FMT_AYUV8_1X32) +			fmt->code = V4L2_MBUS_FMT_AYUV8_1X32; + +		fmt->width = clamp(fmt->width, SRU_MIN_SIZE, SRU_MAX_SIZE); +		fmt->height = clamp(fmt->height, SRU_MIN_SIZE, SRU_MAX_SIZE); +		break; + +	case SRU_PAD_SOURCE: +		/* The SRU can't perform format conversion. */ +		format = vsp1_entity_get_pad_format(&sru->entity, fh, +						    SRU_PAD_SINK, which); +		fmt->code = format->code; + +		/* We can upscale by 2 in both direction, but not independently. +		 * Compare the input and output rectangles areas (avoiding +		 * integer overflows on the output): if the requested output +		 * area is larger than 1.5^2 the input area upscale by two, +		 * otherwise don't scale. +		 */ +		input_area = format->width * format->height; +		output_area = min(fmt->width, SRU_MAX_SIZE) +			    * min(fmt->height, SRU_MAX_SIZE); + +		if (fmt->width <= SRU_MAX_SIZE / 2 && +		    fmt->height <= SRU_MAX_SIZE / 2 && +		    output_area > input_area * 9 / 4) { +			fmt->width = format->width * 2; +			fmt->height = format->height * 2; +		} else { +			fmt->width = format->width; +			fmt->height = format->height; +		} +		break; +	} + +	fmt->field = V4L2_FIELD_NONE; +	fmt->colorspace = V4L2_COLORSPACE_SRGB; +} + +static int sru_set_format(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh, +			  struct v4l2_subdev_format *fmt) +{ +	struct vsp1_sru *sru = to_sru(subdev); +	struct v4l2_mbus_framefmt *format; + +	sru_try_format(sru, fh, fmt->pad, &fmt->format, fmt->which); + +	format = vsp1_entity_get_pad_format(&sru->entity, fh, fmt->pad, +					    fmt->which); +	*format = fmt->format; + +	if (fmt->pad == SRU_PAD_SINK) { +		/* Propagate the format to the source pad. */ +		format = vsp1_entity_get_pad_format(&sru->entity, fh, +						    SRU_PAD_SOURCE, fmt->which); +		*format = fmt->format; + +		sru_try_format(sru, fh, SRU_PAD_SOURCE, format, fmt->which); +	} + +	return 0; +} + +/* ----------------------------------------------------------------------------- + * V4L2 Subdevice Operations + */ + +static struct v4l2_subdev_video_ops sru_video_ops = { +	.s_stream = sru_s_stream, +}; + +static struct v4l2_subdev_pad_ops sru_pad_ops = { +	.enum_mbus_code = sru_enum_mbus_code, +	.enum_frame_size = sru_enum_frame_size, +	.get_fmt = sru_get_format, +	.set_fmt = sru_set_format, +}; + +static struct v4l2_subdev_ops sru_ops = { +	.video	= &sru_video_ops, +	.pad    = &sru_pad_ops, +}; + +/* ----------------------------------------------------------------------------- + * Initialization and Cleanup + */ + +struct vsp1_sru *vsp1_sru_create(struct vsp1_device *vsp1) +{ +	struct v4l2_subdev *subdev; +	struct vsp1_sru *sru; +	int ret; + +	sru = devm_kzalloc(vsp1->dev, sizeof(*sru), GFP_KERNEL); +	if (sru == NULL) +		return ERR_PTR(-ENOMEM); + +	sru->entity.type = VSP1_ENTITY_SRU; + +	ret = vsp1_entity_init(vsp1, &sru->entity, 2); +	if (ret < 0) +		return ERR_PTR(ret); + +	/* Initialize the V4L2 subdev. */ +	subdev = &sru->entity.subdev; +	v4l2_subdev_init(subdev, &sru_ops); + +	subdev->entity.ops = &vsp1_media_ops; +	subdev->internal_ops = &vsp1_subdev_internal_ops; +	snprintf(subdev->name, sizeof(subdev->name), "%s sru", +		 dev_name(vsp1->dev)); +	v4l2_set_subdevdata(subdev, sru); +	subdev->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; + +	vsp1_entity_init_formats(subdev, NULL); + +	/* Initialize the control handler. */ +	v4l2_ctrl_handler_init(&sru->ctrls, 1); +	v4l2_ctrl_new_custom(&sru->ctrls, &sru_intensity_control, NULL); +	v4l2_ctrl_handler_setup(&sru->ctrls); +	sru->entity.subdev.ctrl_handler = &sru->ctrls; + +	return sru; +} diff --git a/drivers/media/platform/vsp1/vsp1_sru.h b/drivers/media/platform/vsp1/vsp1_sru.h new file mode 100644 index 00000000000..381870b7478 --- /dev/null +++ b/drivers/media/platform/vsp1/vsp1_sru.h @@ -0,0 +1,41 @@ +/* + * vsp1_sru.h  --  R-Car VSP1 Super Resolution Unit + * + * Copyright (C) 2013 Renesas Corporation + * + * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ +#ifndef __VSP1_SRU_H__ +#define __VSP1_SRU_H__ + +#include <media/media-entity.h> +#include <media/v4l2-ctrls.h> +#include <media/v4l2-subdev.h> + +#include "vsp1_entity.h" + +struct vsp1_device; + +#define SRU_PAD_SINK				0 +#define SRU_PAD_SOURCE				1 + +struct vsp1_sru { +	struct vsp1_entity entity; + +	struct v4l2_ctrl_handler ctrls; +	unsigned int intensity; +}; + +static inline struct vsp1_sru *to_sru(struct v4l2_subdev *subdev) +{ +	return container_of(subdev, struct vsp1_sru, entity.subdev); +} + +struct vsp1_sru *vsp1_sru_create(struct vsp1_device *vsp1); + +#endif /* __VSP1_SRU_H__ */ diff --git a/drivers/media/platform/vsp1/vsp1_uds.c b/drivers/media/platform/vsp1/vsp1_uds.c index 0e50b37f060..0293bdbb440 100644 --- a/drivers/media/platform/vsp1/vsp1_uds.c +++ b/drivers/media/platform/vsp1/vsp1_uds.c @@ -1,7 +1,7 @@  /*   * vsp1_uds.c  --  R-Car VSP1 Up and Down Scaler   * - * Copyright (C) 2013 Renesas Corporation + * Copyright (C) 2013-2014 Renesas Electronics Corporation   *   * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)   * @@ -131,7 +131,7 @@ static int uds_s_stream(struct v4l2_subdev *subdev, int enable)  		return 0;  	/* Enable multi-tap scaling. */ -	vsp1_uds_write(uds, VI6_UDS_CTRL, VI6_UDS_CTRL_BC); +	vsp1_uds_write(uds, VI6_UDS_CTRL, VI6_UDS_CTRL_AON | VI6_UDS_CTRL_BC);  	vsp1_uds_write(uds, VI6_UDS_PASS_BWIDTH,  		       (uds_passband_width(uds->hscale) @@ -139,7 +139,6 @@ static int uds_s_stream(struct v4l2_subdev *subdev, int enable)  		       (uds_passband_width(uds->vscale)  				<< VI6_UDS_PASS_BWIDTH_V_SHIFT)); -  	/* Set the scaling ratios and the output size. */  	format = &uds->entity.formats[UDS_PAD_SOURCE]; @@ -323,7 +322,6 @@ struct vsp1_uds *vsp1_uds_create(struct vsp1_device *vsp1, unsigned int index)  	uds->entity.type = VSP1_ENTITY_UDS;  	uds->entity.index = index; -	uds->entity.id = VI6_DPR_NODE_UDS(index);  	ret = vsp1_entity_init(vsp1, &uds->entity, 2);  	if (ret < 0) diff --git a/drivers/media/platform/vsp1/vsp1_uds.h b/drivers/media/platform/vsp1/vsp1_uds.h index 972a285abdb..479d12df118 100644 --- a/drivers/media/platform/vsp1/vsp1_uds.h +++ b/drivers/media/platform/vsp1/vsp1_uds.h @@ -1,7 +1,7 @@  /*   * vsp1_uds.h  --  R-Car VSP1 Up and Down Scaler   * - * Copyright (C) 2013 Renesas Corporation + * Copyright (C) 2013-2014 Renesas Electronics Corporation   *   * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)   * diff --git a/drivers/media/platform/vsp1/vsp1_video.c b/drivers/media/platform/vsp1/vsp1_video.c index 714c53ef6c1..8a1253e51f0 100644 --- a/drivers/media/platform/vsp1/vsp1_video.c +++ b/drivers/media/platform/vsp1/vsp1_video.c @@ -1,7 +1,7 @@  /*   * vsp1_video.c  --  R-Car VSP1 Video Node   * - * Copyright (C) 2013 Renesas Corporation + * Copyright (C) 2013-2014 Renesas Electronics Corporation   *   * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)   * @@ -28,6 +28,7 @@  #include <media/videobuf2-dma-contig.h>  #include "vsp1.h" +#include "vsp1_bru.h"  #include "vsp1_entity.h"  #include "vsp1_rwpf.h"  #include "vsp1_video.h" @@ -280,6 +281,9 @@ static int vsp1_pipeline_validate_branch(struct vsp1_rwpf *input,  	struct media_pad *pad;  	bool uds_found = false; +	input->location.left = 0; +	input->location.top = 0; +  	pad = media_entity_remote_pad(&input->entity.pads[RWPF_PAD_SOURCE]);  	while (1) { @@ -292,6 +296,17 @@ static int vsp1_pipeline_validate_branch(struct vsp1_rwpf *input,  		entity = to_vsp1_entity(media_entity_to_v4l2_subdev(pad->entity)); +		/* A BRU is present in the pipeline, store the compose rectangle +		 * location in the input RPF for use when configuring the RPF. +		 */ +		if (entity->type == VSP1_ENTITY_BRU) { +			struct vsp1_bru *bru = to_bru(&entity->subdev); +			struct v4l2_rect *rect = &bru->compose[pad->index]; + +			input->location.left = rect->left; +			input->location.top = rect->top; +		} +  		/* We've reached the WPF, we're done. */  		if (entity->type == VSP1_ENTITY_WPF)  			break; @@ -363,6 +378,8 @@ static int vsp1_pipeline_validate(struct vsp1_pipeline *pipe,  			rwpf->video.pipe_index = 0;  		} else if (e->type == VSP1_ENTITY_LIF) {  			pipe->lif = e; +		} else if (e->type == VSP1_ENTITY_BRU) { +			pipe->bru = e;  		}  	} @@ -392,6 +409,7 @@ error:  	pipe->num_video = 0;  	pipe->num_inputs = 0;  	pipe->output = NULL; +	pipe->bru = NULL;  	pipe->lif = NULL;  	return ret;  } @@ -430,6 +448,7 @@ static void vsp1_pipeline_cleanup(struct vsp1_pipeline *pipe)  		pipe->num_video = 0;  		pipe->num_inputs = 0;  		pipe->output = NULL; +		pipe->bru = NULL;  		pipe->lif = NULL;  	} @@ -461,7 +480,7 @@ static int vsp1_pipeline_stop(struct vsp1_pipeline *pipe)  	list_for_each_entry(entity, &pipe->entities, list_pipe) {  		if (entity->route) -			vsp1_write(entity->vsp1, entity->route, +			vsp1_write(entity->vsp1, entity->route->reg,  				   VI6_DPR_NODE_UNUSED);  		v4l2_subdev_call(&entity->subdev, video, s_stream, 0); @@ -488,11 +507,17 @@ static bool vsp1_pipeline_ready(struct vsp1_pipeline *pipe)   * This function completes the current buffer by filling its sequence number,   * time stamp and payload size, and hands it back to the videobuf core.   * + * When operating in DU output mode (deep pipeline to the DU through the LIF), + * the VSP1 needs to constantly supply frames to the display. In that case, if + * no other buffer is queued, reuse the one that has just been processed instead + * of handing it back to the videobuf core. + *   * Return the next queued buffer or NULL if the queue is empty.   */  static struct vsp1_video_buffer *  vsp1_video_complete_buffer(struct vsp1_video *video)  { +	struct vsp1_pipeline *pipe = to_vsp1_pipeline(&video->video.entity);  	struct vsp1_video_buffer *next = NULL;  	struct vsp1_video_buffer *done;  	unsigned long flags; @@ -507,6 +532,13 @@ vsp1_video_complete_buffer(struct vsp1_video *video)  	done = list_first_entry(&video->irqqueue,  				struct vsp1_video_buffer, queue); + +	/* In DU output mode reuse the buffer if the list is singular. */ +	if (pipe->lif && list_is_singular(&video->irqqueue)) { +		spin_unlock_irqrestore(&video->irqlock, flags); +		return done; +	} +  	list_del(&done->queue);  	if (!list_empty(&video->irqqueue)) @@ -667,11 +699,12 @@ static void vsp1_entity_route_setup(struct vsp1_entity *source)  {  	struct vsp1_entity *sink; -	if (source->route == 0) +	if (source->route->reg == 0)  		return;  	sink = container_of(source->sink, struct vsp1_entity, subdev.entity); -	vsp1_write(source->vsp1, source->route, sink->id); +	vsp1_write(source->vsp1, source->route->reg, +		   sink->route->inputs[source->sink_pad]);  }  static int vsp1_video_start_streaming(struct vb2_queue *vq, unsigned int count) @@ -707,7 +740,7 @@ static int vsp1_video_start_streaming(struct vb2_queue *vq, unsigned int count)  	return 0;  } -static int vsp1_video_stop_streaming(struct vb2_queue *vq) +static void vsp1_video_stop_streaming(struct vb2_queue *vq)  {  	struct vsp1_video *video = vb2_get_drv_priv(vq);  	struct vsp1_pipeline *pipe = to_vsp1_pipeline(&video->video.entity); @@ -730,8 +763,6 @@ static int vsp1_video_stop_streaming(struct vb2_queue *vq)  	spin_lock_irqsave(&video->irqlock, flags);  	INIT_LIST_HEAD(&video->irqqueue);  	spin_unlock_irqrestore(&video->irqlock, flags); - -	return 0;  }  static struct vb2_ops vsp1_video_queue_qops = { @@ -1026,8 +1057,10 @@ int vsp1_video_init(struct vsp1_video *video, struct vsp1_entity *rwpf)  	/* ... and the buffers queue... */  	video->alloc_ctx = vb2_dma_contig_init_ctx(video->vsp1->dev); -	if (IS_ERR(video->alloc_ctx)) +	if (IS_ERR(video->alloc_ctx)) { +		ret = PTR_ERR(video->alloc_ctx);  		goto error; +	}  	video->queue.type = video->type;  	video->queue.io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; @@ -1036,7 +1069,7 @@ int vsp1_video_init(struct vsp1_video *video, struct vsp1_entity *rwpf)  	video->queue.buf_struct_size = sizeof(struct vsp1_video_buffer);  	video->queue.ops = &vsp1_video_queue_qops;  	video->queue.mem_ops = &vb2_dma_contig_memops; -	video->queue.timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_COPY; +	video->queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;  	ret = vb2_queue_init(&video->queue);  	if (ret < 0) {  		dev_err(video->vsp1->dev, "failed to initialize vb2 queue\n"); diff --git a/drivers/media/platform/vsp1/vsp1_video.h b/drivers/media/platform/vsp1/vsp1_video.h index d8612a37834..c04d48fa299 100644 --- a/drivers/media/platform/vsp1/vsp1_video.h +++ b/drivers/media/platform/vsp1/vsp1_video.h @@ -1,7 +1,7 @@  /*   * vsp1_video.h  --  R-Car VSP1 Video Node   * - * Copyright (C) 2013 Renesas Corporation + * Copyright (C) 2013-2014 Renesas Electronics Corporation   *   * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)   * @@ -75,6 +75,7 @@ struct vsp1_pipeline {  	unsigned int num_inputs;  	struct vsp1_rwpf *inputs[VPS1_MAX_RPF];  	struct vsp1_rwpf *output; +	struct vsp1_entity *bru;  	struct vsp1_entity *lif;  	struct list_head entities; diff --git a/drivers/media/platform/vsp1/vsp1_wpf.c b/drivers/media/platform/vsp1/vsp1_wpf.c index db4b85ee05f..1294340dcb3 100644 --- a/drivers/media/platform/vsp1/vsp1_wpf.c +++ b/drivers/media/platform/vsp1/vsp1_wpf.c @@ -1,7 +1,7 @@  /*   * vsp1_wpf.c  --  R-Car VSP1 Write Pixel Formatter   * - * Copyright (C) 2013 Renesas Corporation + * Copyright (C) 2013-2014 Renesas Electronics Corporation   *   * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)   * @@ -48,8 +48,7 @@ static int wpf_s_stream(struct v4l2_subdev *subdev, int enable)  	struct vsp1_pipeline *pipe =  		to_vsp1_pipeline(&wpf->entity.subdev.entity);  	struct vsp1_device *vsp1 = wpf->entity.vsp1; -	const struct v4l2_mbus_framefmt *format = -		&wpf->entity.formats[RWPF_PAD_SOURCE]; +	const struct v4l2_rect *crop = &wpf->crop;  	unsigned int i;  	u32 srcrpf = 0;  	u32 outfmt = 0; @@ -59,16 +58,24 @@ static int wpf_s_stream(struct v4l2_subdev *subdev, int enable)  		return 0;  	} -	/* Sources */ +	/* Sources. If the pipeline has a single input configure it as the +	 * master layer. Otherwise configure all inputs as sub-layers and +	 * select the virtual RPF as the master layer. +	 */  	for (i = 0; i < pipe->num_inputs; ++i) {  		struct vsp1_rwpf *input = pipe->inputs[i]; -		srcrpf |= VI6_WPF_SRCRPF_RPF_ACT_MST(input->entity.index); +		srcrpf |= pipe->num_inputs == 1 +			? VI6_WPF_SRCRPF_RPF_ACT_MST(input->entity.index) +			: VI6_WPF_SRCRPF_RPF_ACT_SUB(input->entity.index);  	} +	if (pipe->num_inputs > 1) +		srcrpf |= VI6_WPF_SRCRPF_VIRACT_MST; +  	vsp1_wpf_write(wpf, VI6_WPF_SRCRPF, srcrpf); -	/* Destination stride. Cropping isn't supported yet. */ +	/* Destination stride. */  	if (!pipe->lif) {  		struct v4l2_pix_format_mplane *format = &wpf->video.format; @@ -79,10 +86,12 @@ static int wpf_s_stream(struct v4l2_subdev *subdev, int enable)  				       format->plane_fmt[1].bytesperline);  	} -	vsp1_wpf_write(wpf, VI6_WPF_HSZCLIP, -		       format->width << VI6_WPF_SZCLIP_SIZE_SHIFT); -	vsp1_wpf_write(wpf, VI6_WPF_VSZCLIP, -		       format->height << VI6_WPF_SZCLIP_SIZE_SHIFT); +	vsp1_wpf_write(wpf, VI6_WPF_HSZCLIP, VI6_WPF_SZCLIP_EN | +		       (crop->left << VI6_WPF_SZCLIP_OFST_SHIFT) | +		       (crop->width << VI6_WPF_SZCLIP_SIZE_SHIFT)); +	vsp1_wpf_write(wpf, VI6_WPF_VSZCLIP, VI6_WPF_SZCLIP_EN | +		       (crop->top << VI6_WPF_SZCLIP_OFST_SHIFT) | +		       (crop->height << VI6_WPF_SZCLIP_SIZE_SHIFT));  	/* Format */  	if (!pipe->lif) { @@ -130,6 +139,8 @@ static struct v4l2_subdev_pad_ops wpf_pad_ops = {  	.enum_frame_size = vsp1_rwpf_enum_frame_size,  	.get_fmt = vsp1_rwpf_get_format,  	.set_fmt = vsp1_rwpf_set_format, +	.get_selection = vsp1_rwpf_get_selection, +	.set_selection = vsp1_rwpf_set_selection,  };  static struct v4l2_subdev_ops wpf_ops = { @@ -178,7 +189,6 @@ struct vsp1_rwpf *vsp1_wpf_create(struct vsp1_device *vsp1, unsigned int index)  	wpf->entity.type = VSP1_ENTITY_WPF;  	wpf->entity.index = index; -	wpf->entity.id = VI6_DPR_NODE_WPF(index);  	ret = vsp1_entity_init(vsp1, &wpf->entity, 2);  	if (ret < 0)  | 
