diff options
Diffstat (limited to 'drivers/media/platform/vsp1/vsp1_lif.c')
-rw-r--r-- | drivers/media/platform/vsp1/vsp1_lif.c | 179 |
1 files changed, 58 insertions, 121 deletions
diff --git a/drivers/media/platform/vsp1/vsp1_lif.c b/drivers/media/platform/vsp1/vsp1_lif.c index 433853ce8dbf..0217393f22df 100644 --- a/drivers/media/platform/vsp1/vsp1_lif.c +++ b/drivers/media/platform/vsp1/vsp1_lif.c @@ -17,55 +17,24 @@ #include <media/v4l2-subdev.h> #include "vsp1.h" +#include "vsp1_dl.h" #include "vsp1_lif.h" #define LIF_MIN_SIZE 2U -#define LIF_MAX_SIZE 2048U +#define LIF_MAX_SIZE 8190U /* ----------------------------------------------------------------------------- * Device Access */ -static inline void vsp1_lif_write(struct vsp1_lif *lif, u32 reg, u32 data) +static inline void vsp1_lif_write(struct vsp1_lif *lif, struct vsp1_dl_list *dl, + u32 reg, u32 data) { - vsp1_mod_write(&lif->entity, reg, data); + vsp1_dl_list_write(dl, reg, data); } /* ----------------------------------------------------------------------------- - * V4L2 Subdevice Core Operations - */ - -static int lif_s_stream(struct v4l2_subdev *subdev, int enable) -{ - const struct v4l2_mbus_framefmt *format; - struct vsp1_lif *lif = to_lif(subdev); - unsigned int hbth = 1300; - unsigned int obth = 400; - unsigned int lbth = 200; - - if (!enable) { - vsp1_write(lif->entity.vsp1, VI6_LIF_CTRL, 0); - return 0; - } - - format = &lif->entity.formats[LIF_PAD_SOURCE]; - - obth = min(obth, (format->width + 1) / 2 * format->height - 4); - - vsp1_lif_write(lif, VI6_LIF_CSBTH, - (hbth << VI6_LIF_CSBTH_HBTH_SHIFT) | - (lbth << VI6_LIF_CSBTH_LBTH_SHIFT)); - - vsp1_lif_write(lif, VI6_LIF_CTRL, - (obth << VI6_LIF_CTRL_OBTH_SHIFT) | - (format->code == 0 ? VI6_LIF_CTRL_CFMT : 0) | - VI6_LIF_CTRL_REQSEL | VI6_LIF_CTRL_LIF_EN); - - return 0; -} - -/* ----------------------------------------------------------------------------- - * V4L2 Subdevice Pad Operations + * V4L2 Subdevice Operations */ static int lif_enum_mbus_code(struct v4l2_subdev *subdev, @@ -76,82 +45,38 @@ static int lif_enum_mbus_code(struct v4l2_subdev *subdev, MEDIA_BUS_FMT_ARGB8888_1X32, MEDIA_BUS_FMT_AYUV8_1X32, }; - struct vsp1_lif *lif = to_lif(subdev); - if (code->pad == LIF_PAD_SINK) { - if (code->index >= ARRAY_SIZE(codes)) - return -EINVAL; - - code->code = codes[code->index]; - } else { - struct v4l2_mbus_framefmt *format; - - /* The LIF can't perform format conversion, the sink format is - * always identical to the source format. - */ - if (code->index) - return -EINVAL; - - format = vsp1_entity_get_pad_format(&lif->entity, cfg, - LIF_PAD_SINK, code->which); - code->code = format->code; - } - - return 0; + return vsp1_subdev_enum_mbus_code(subdev, cfg, code, codes, + ARRAY_SIZE(codes)); } static int lif_enum_frame_size(struct v4l2_subdev *subdev, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_frame_size_enum *fse) { - struct vsp1_lif *lif = to_lif(subdev); - struct v4l2_mbus_framefmt *format; - - format = vsp1_entity_get_pad_format(&lif->entity, cfg, LIF_PAD_SINK, - fse->which); - - if (fse->index || fse->code != format->code) - return -EINVAL; - - if (fse->pad == LIF_PAD_SINK) { - fse->min_width = LIF_MIN_SIZE; - fse->max_width = LIF_MAX_SIZE; - fse->min_height = LIF_MIN_SIZE; - fse->max_height = LIF_MAX_SIZE; - } else { - fse->min_width = format->width; - fse->max_width = format->width; - fse->min_height = format->height; - fse->max_height = format->height; - } - - return 0; + return vsp1_subdev_enum_frame_size(subdev, cfg, fse, LIF_MIN_SIZE, + LIF_MIN_SIZE, LIF_MAX_SIZE, + LIF_MAX_SIZE); } -static int lif_get_format(struct v4l2_subdev *subdev, struct v4l2_subdev_pad_config *cfg, - struct v4l2_subdev_format *fmt) -{ - struct vsp1_lif *lif = to_lif(subdev); - - fmt->format = *vsp1_entity_get_pad_format(&lif->entity, cfg, fmt->pad, - fmt->which); - - return 0; -} - -static int lif_set_format(struct v4l2_subdev *subdev, struct v4l2_subdev_pad_config *cfg, +static int lif_set_format(struct v4l2_subdev *subdev, + struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_format *fmt) { struct vsp1_lif *lif = to_lif(subdev); + struct v4l2_subdev_pad_config *config; struct v4l2_mbus_framefmt *format; + config = vsp1_entity_get_pad_config(&lif->entity, cfg, fmt->which); + if (!config) + return -EINVAL; + /* Default to YUV if the requested format is not supported. */ if (fmt->format.code != MEDIA_BUS_FMT_ARGB8888_1X32 && fmt->format.code != MEDIA_BUS_FMT_AYUV8_1X32) fmt->format.code = MEDIA_BUS_FMT_AYUV8_1X32; - format = vsp1_entity_get_pad_format(&lif->entity, cfg, fmt->pad, - fmt->which); + format = vsp1_entity_get_pad_format(&lif->entity, config, fmt->pad); if (fmt->pad == LIF_PAD_SOURCE) { /* The LIF source format is always identical to its sink @@ -172,40 +97,64 @@ static int lif_set_format(struct v4l2_subdev *subdev, struct v4l2_subdev_pad_con fmt->format = *format; /* Propagate the format to the source pad. */ - format = vsp1_entity_get_pad_format(&lif->entity, cfg, LIF_PAD_SOURCE, - fmt->which); + format = vsp1_entity_get_pad_format(&lif->entity, config, + LIF_PAD_SOURCE); *format = fmt->format; return 0; } -/* ----------------------------------------------------------------------------- - * V4L2 Subdevice Operations - */ - -static struct v4l2_subdev_video_ops lif_video_ops = { - .s_stream = lif_s_stream, -}; - static struct v4l2_subdev_pad_ops lif_pad_ops = { + .init_cfg = vsp1_entity_init_cfg, .enum_mbus_code = lif_enum_mbus_code, .enum_frame_size = lif_enum_frame_size, - .get_fmt = lif_get_format, + .get_fmt = vsp1_subdev_get_pad_format, .set_fmt = lif_set_format, }; static struct v4l2_subdev_ops lif_ops = { - .video = &lif_video_ops, .pad = &lif_pad_ops, }; /* ----------------------------------------------------------------------------- + * VSP1 Entity Operations + */ + +static void lif_configure(struct vsp1_entity *entity, + struct vsp1_pipeline *pipe, + struct vsp1_dl_list *dl) +{ + const struct v4l2_mbus_framefmt *format; + struct vsp1_lif *lif = to_lif(&entity->subdev); + unsigned int hbth = 1300; + unsigned int obth = 400; + unsigned int lbth = 200; + + format = vsp1_entity_get_pad_format(&lif->entity, lif->entity.config, + LIF_PAD_SOURCE); + + obth = min(obth, (format->width + 1) / 2 * format->height - 4); + + vsp1_lif_write(lif, dl, VI6_LIF_CSBTH, + (hbth << VI6_LIF_CSBTH_HBTH_SHIFT) | + (lbth << VI6_LIF_CSBTH_LBTH_SHIFT)); + + vsp1_lif_write(lif, dl, VI6_LIF_CTRL, + (obth << VI6_LIF_CTRL_OBTH_SHIFT) | + (format->code == 0 ? VI6_LIF_CTRL_CFMT : 0) | + VI6_LIF_CTRL_REQSEL | VI6_LIF_CTRL_LIF_EN); +} + +static const struct vsp1_entity_operations lif_entity_ops = { + .configure = lif_configure, +}; + +/* ----------------------------------------------------------------------------- * Initialization and Cleanup */ struct vsp1_lif *vsp1_lif_create(struct vsp1_device *vsp1) { - struct v4l2_subdev *subdev; struct vsp1_lif *lif; int ret; @@ -213,24 +162,12 @@ struct vsp1_lif *vsp1_lif_create(struct vsp1_device *vsp1) if (lif == NULL) return ERR_PTR(-ENOMEM); + lif->entity.ops = &lif_entity_ops; lif->entity.type = VSP1_ENTITY_LIF; - ret = vsp1_entity_init(vsp1, &lif->entity, 2); + ret = vsp1_entity_init(vsp1, &lif->entity, "lif", 2, &lif_ops); if (ret < 0) return ERR_PTR(ret); - /* Initialize the V4L2 subdev. */ - subdev = &lif->entity.subdev; - v4l2_subdev_init(subdev, &lif_ops); - - subdev->entity.ops = &vsp1->media_ops; - subdev->internal_ops = &vsp1_subdev_internal_ops; - snprintf(subdev->name, sizeof(subdev->name), "%s lif", - dev_name(vsp1->dev)); - v4l2_set_subdevdata(subdev, lif); - subdev->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; - - vsp1_entity_init_formats(subdev, NULL); - return lif; } |