diff options
| -rw-r--r-- | drivers/media/platform/vsp1/Makefile | 3 | ||||
| -rw-r--r-- | drivers/media/platform/vsp1/vsp1.h | 2 | ||||
| -rw-r--r-- | drivers/media/platform/vsp1/vsp1_drv.c | 11 | ||||
| -rw-r--r-- | drivers/media/platform/vsp1/vsp1_entity.c | 4 | ||||
| -rw-r--r-- | drivers/media/platform/vsp1/vsp1_entity.h | 1 | ||||
| -rw-r--r-- | drivers/media/platform/vsp1/vsp1_regs.h | 13 | ||||
| -rw-r--r-- | drivers/media/platform/vsp1/vsp1_sru.c | 356 | ||||
| -rw-r--r-- | drivers/media/platform/vsp1/vsp1_sru.h | 41 | ||||
| -rw-r--r-- | include/linux/platform_data/vsp1.h | 1 |
9 files changed, 431 insertions, 1 deletions
diff --git a/drivers/media/platform/vsp1/Makefile b/drivers/media/platform/vsp1/Makefile index 587b8009b357..45621cb8b2a6 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_hsit.o vsp1_lif.o vsp1_uds.o +vsp1-y += vsp1_hsit.o vsp1_lif.o vsp1_sru.o +vsp1-y += 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 275286e0bf42..2ab13f53b2a4 100644 --- a/drivers/media/platform/vsp1/vsp1.h +++ b/drivers/media/platform/vsp1/vsp1.h @@ -31,6 +31,7 @@ struct vsp1_platform_data; struct vsp1_hsit; struct vsp1_lif; struct vsp1_rwpf; +struct vsp1_sru; struct vsp1_uds; #define VPS1_MAX_RPF 5 @@ -52,6 +53,7 @@ struct vsp1_device { struct vsp1_hsit *hst; struct vsp1_lif *lif; 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_drv.c b/drivers/media/platform/vsp1/vsp1_drv.c index bcede46c4a95..6f8295128704 100644 --- a/drivers/media/platform/vsp1/vsp1_drv.c +++ b/drivers/media/platform/vsp1/vsp1_drv.c @@ -23,6 +23,7 @@ #include "vsp1_hsit.h" #include "vsp1_lif.h" #include "vsp1_rwpf.h" +#include "vsp1_sru.h" #include "vsp1_uds.h" /* ----------------------------------------------------------------------------- @@ -192,6 +193,16 @@ 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; diff --git a/drivers/media/platform/vsp1/vsp1_entity.c b/drivers/media/platform/vsp1/vsp1_entity.c index 3798ef4a272b..b11e5a6ffe04 100644 --- a/drivers/media/platform/vsp1/vsp1_entity.c +++ b/drivers/media/platform/vsp1/vsp1_entity.c @@ -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" @@ -130,6 +131,7 @@ int vsp1_entity_init(struct vsp1_device *vsp1, struct vsp1_entity *entity, { 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_SRU, VI6_DPR_SRU_ROUTE }, { 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) }, @@ -179,5 +181,7 @@ 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 0d617467066b..08e44801ec9d 100644 --- a/drivers/media/platform/vsp1/vsp1_entity.h +++ b/drivers/media/platform/vsp1/vsp1_entity.h @@ -24,6 +24,7 @@ enum vsp1_entity_type { VSP1_ENTITY_HST, VSP1_ENTITY_LIF, VSP1_ENTITY_RPF, + VSP1_ENTITY_SRU, VSP1_ENTITY_UDS, VSP1_ENTITY_WPF, }; diff --git a/drivers/media/platform/vsp1/vsp1_regs.h b/drivers/media/platform/vsp1/vsp1_regs.h index 0b93f8827916..530cc61cfcd5 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 diff --git a/drivers/media/platform/vsp1/vsp1_sru.c b/drivers/media/platform/vsp1/vsp1_sru.c new file mode 100644 index 000000000000..7ab1a0b2d656 --- /dev/null +++ b/drivers/media/platform/vsp1/vsp1_sru.c @@ -0,0 +1,356 @@ +/* + * 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; + sru->entity.id = VI6_DPR_NODE_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 000000000000..381870b74780 --- /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/include/linux/platform_data/vsp1.h b/include/linux/platform_data/vsp1.h index a73a456d7f11..27c0ede1a53f 100644 --- a/include/linux/platform_data/vsp1.h +++ b/include/linux/platform_data/vsp1.h @@ -14,6 +14,7 @@ #define __PLATFORM_VSP1_H__ #define VSP1_HAS_LIF (1 << 0) +#define VSP1_HAS_SRU (1 << 1) struct vsp1_platform_data { unsigned int features; |