diff options
Diffstat (limited to 'drivers/media/platform/s5p-fimc')
| -rw-r--r-- | drivers/media/platform/s5p-fimc/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/media/platform/s5p-fimc/fimc-capture.c | 177 | ||||
| -rw-r--r-- | drivers/media/platform/s5p-fimc/fimc-core.c | 10 | ||||
| -rw-r--r-- | drivers/media/platform/s5p-fimc/fimc-core.h | 19 | ||||
| -rw-r--r-- | drivers/media/platform/s5p-fimc/fimc-mdevice.c | 7 | ||||
| -rw-r--r-- | drivers/media/platform/s5p-fimc/fimc-reg.c | 75 | ||||
| -rw-r--r-- | drivers/media/platform/s5p-fimc/fimc-reg.h | 11 |
7 files changed, 221 insertions, 79 deletions
diff --git a/drivers/media/platform/s5p-fimc/Kconfig b/drivers/media/platform/s5p-fimc/Kconfig index f997a5203b7c..c5caf08ed3c4 100644 --- a/drivers/media/platform/s5p-fimc/Kconfig +++ b/drivers/media/platform/s5p-fimc/Kconfig @@ -2,6 +2,7 @@ config VIDEO_SAMSUNG_S5P_FIMC bool "Samsung S5P/EXYNOS SoC camera interface driver (experimental)" depends on VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API && PLAT_S5P && PM_RUNTIME + depends on MFD_SYSCON help Say Y here to enable camera host interface devices for Samsung S5P and EXYNOS SoC series. diff --git a/drivers/media/platform/s5p-fimc/fimc-capture.c b/drivers/media/platform/s5p-fimc/fimc-capture.c index ff9ca6384636..1675d385d900 100644 --- a/drivers/media/platform/s5p-fimc/fimc-capture.c +++ b/drivers/media/platform/s5p-fimc/fimc-capture.c @@ -33,26 +33,27 @@ static int fimc_capture_hw_init(struct fimc_dev *fimc) { + struct fimc_source_info *si = &fimc->vid_cap.source_config; struct fimc_ctx *ctx = fimc->vid_cap.ctx; - struct fimc_pipeline *p = &fimc->pipeline; - struct fimc_sensor_info *sensor; + int ret; unsigned long flags; - int ret = 0; - if (p->subdevs[IDX_SENSOR] == NULL || ctx == NULL) - return -ENXIO; - if (ctx->s_frame.fmt == NULL) + if (ctx == NULL || ctx->s_frame.fmt == NULL) return -EINVAL; - sensor = v4l2_get_subdev_hostdata(p->subdevs[IDX_SENSOR]); + if (si->fimc_bus_type == FIMC_BUS_TYPE_ISP_WRITEBACK) { + ret = fimc_hw_camblk_cfg_writeback(fimc); + if (ret < 0) + return ret; + } spin_lock_irqsave(&fimc->slock, flags); fimc_prepare_dma_offset(ctx, &ctx->d_frame); fimc_set_yuv_order(ctx); - fimc_hw_set_camera_polarity(fimc, &sensor->pdata); - fimc_hw_set_camera_type(fimc, &sensor->pdata); - fimc_hw_set_camera_source(fimc, &sensor->pdata); + fimc_hw_set_camera_polarity(fimc, si); + fimc_hw_set_camera_type(fimc, si); + fimc_hw_set_camera_source(fimc, si); fimc_hw_set_camera_offset(fimc, &ctx->s_frame); ret = fimc_set_scaler_info(ctx); @@ -606,18 +607,22 @@ static struct fimc_fmt *fimc_capture_try_format(struct fimc_ctx *ctx, fimc_fmt_is_user_defined(ctx->s_frame.fmt->color)) *code = ctx->s_frame.fmt->mbus_code; - if (fourcc && *fourcc != V4L2_PIX_FMT_JPEG && pad != FIMC_SD_PAD_SINK) + if (fourcc && *fourcc != V4L2_PIX_FMT_JPEG && pad == FIMC_SD_PAD_SOURCE) mask |= FMT_FLAGS_M2M; + if (pad == FIMC_SD_PAD_SINK_FIFO) + mask = FMT_FLAGS_WRITEBACK; + ffmt = fimc_find_format(fourcc, code, mask, 0); if (WARN_ON(!ffmt)) return NULL; + if (code) *code = ffmt->mbus_code; if (fourcc) *fourcc = ffmt->fourcc; - if (pad == FIMC_SD_PAD_SINK) { + if (pad != FIMC_SD_PAD_SOURCE) { max_w = fimc_fmt_is_user_defined(ffmt->color) ? pl->scaler_dis_w : pl->scaler_en_w; /* Apply the camera input interface pixel constraints */ @@ -851,7 +856,7 @@ static int fimc_pipeline_try_format(struct fimc_ctx *ctx, tfmt->width = mf->width; tfmt->height = mf->height; ffmt = fimc_capture_try_format(ctx, &tfmt->width, &tfmt->height, - NULL, &fcc, FIMC_SD_PAD_SINK); + NULL, &fcc, FIMC_SD_PAD_SINK_CAM); ffmt = fimc_capture_try_format(ctx, &tfmt->width, &tfmt->height, NULL, &fcc, FIMC_SD_PAD_SOURCE); if (ffmt && ffmt->mbus_code) @@ -938,7 +943,7 @@ static int fimc_cap_try_fmt_mplane(struct file *file, void *fh, if (fimc_jpeg_fourcc(pix->pixelformat)) { fimc_capture_try_format(ctx, &pix->width, &pix->height, NULL, &pix->pixelformat, - FIMC_SD_PAD_SINK); + FIMC_SD_PAD_SINK_CAM); ctx->s_frame.f_width = pix->width; ctx->s_frame.f_height = pix->height; } @@ -992,7 +997,7 @@ static int __fimc_capture_set_format(struct fimc_dev *fimc, { struct fimc_ctx *ctx = fimc->vid_cap.ctx; struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp; - struct v4l2_mbus_framefmt *mf = &fimc->vid_cap.mf; + struct v4l2_mbus_framefmt *mf = &fimc->vid_cap.ci_fmt; struct fimc_frame *ff = &ctx->d_frame; struct fimc_fmt *s_fmt = NULL; int ret, i; @@ -1004,7 +1009,7 @@ static int __fimc_capture_set_format(struct fimc_dev *fimc, if (fimc_jpeg_fourcc(pix->pixelformat)) { fimc_capture_try_format(ctx, &pix->width, &pix->height, NULL, &pix->pixelformat, - FIMC_SD_PAD_SINK); + FIMC_SD_PAD_SINK_CAM); ctx->s_frame.f_width = pix->width; ctx->s_frame.f_height = pix->height; } @@ -1121,44 +1126,51 @@ static int fimc_cap_g_input(struct file *file, void *priv, unsigned int *i) static int fimc_pipeline_validate(struct fimc_dev *fimc) { struct v4l2_subdev_format sink_fmt, src_fmt; - struct fimc_vid_cap *vid_cap = &fimc->vid_cap; - struct v4l2_subdev *sd; - struct media_pad *pad; - int ret; - - /* Start with the video capture node pad */ - pad = media_entity_remote_source(&vid_cap->vd_pad); - if (pad == NULL) - return -EPIPE; - /* FIMC.{N} subdevice */ - sd = media_entity_to_v4l2_subdev(pad->entity); + struct fimc_vid_cap *vc = &fimc->vid_cap; + struct v4l2_subdev *sd = &vc->subdev; + struct media_pad *sink_pad, *src_pad; + int i, ret; while (1) { - /* Retrieve format at the sink pad */ - pad = &sd->entity.pads[0]; - if (!(pad->flags & MEDIA_PAD_FL_SINK)) + /* + * Find current entity sink pad and any remote sink pad linked + * to it. We stop if there is no sink pad in current entity or + * it is not linked to any other remote entity. + */ + src_pad = NULL; + + for (i = 0; i < sd->entity.num_pads; i++) { + struct media_pad *p = &sd->entity.pads[i]; + + if (p->flags & MEDIA_PAD_FL_SINK) { + sink_pad = p; + src_pad = media_entity_remote_source(sink_pad); + if (src_pad) + break; + } + } + + if (src_pad == NULL || + media_entity_type(src_pad->entity) != MEDIA_ENT_T_V4L2_SUBDEV) break; + /* Don't call FIMC subdev operation to avoid nested locking */ - if (sd == &fimc->vid_cap.subdev) { - struct fimc_frame *ff = &vid_cap->ctx->s_frame; + if (sd == &vc->subdev) { + struct fimc_frame *ff = &vc->ctx->s_frame; sink_fmt.format.width = ff->f_width; sink_fmt.format.height = ff->f_height; sink_fmt.format.code = ff->fmt ? ff->fmt->mbus_code : 0; } else { - sink_fmt.pad = pad->index; + sink_fmt.pad = sink_pad->index; sink_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE; ret = v4l2_subdev_call(sd, pad, get_fmt, NULL, &sink_fmt); if (ret < 0 && ret != -ENOIOCTLCMD) return -EPIPE; } - /* Retrieve format at the source pad */ - pad = media_entity_remote_source(pad); - if (pad == NULL || - media_entity_type(pad->entity) != MEDIA_ENT_T_V4L2_SUBDEV) - break; - sd = media_entity_to_v4l2_subdev(pad->entity); - src_fmt.pad = pad->index; + /* Retrieve format at the source pad */ + sd = media_entity_to_v4l2_subdev(src_pad->entity); + src_fmt.pad = src_pad->index; src_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE; ret = v4l2_subdev_call(sd, pad, get_fmt, NULL, &src_fmt); if (ret < 0 && ret != -ENOIOCTLCMD) @@ -1172,7 +1184,7 @@ static int fimc_pipeline_validate(struct fimc_dev *fimc) if (sd == fimc->pipeline.subdevs[IDX_SENSOR] && fimc_user_defined_mbus_fmt(src_fmt.format.code)) { struct v4l2_plane_pix_format plane_fmt[FIMC_MAX_PLANES]; - struct fimc_frame *frame = &vid_cap->ctx->d_frame; + struct fimc_frame *frame = &vc->ctx->d_frame; unsigned int i; ret = fimc_get_sensor_frame_desc(sd, plane_fmt, @@ -1196,6 +1208,8 @@ static int fimc_cap_streamon(struct file *file, void *priv, struct fimc_pipeline *p = &fimc->pipeline; struct fimc_vid_cap *vc = &fimc->vid_cap; struct media_entity *entity = &vc->vfd.entity; + struct fimc_source_info *si = NULL; + struct v4l2_subdev *sd; int ret; if (fimc_capture_active(fimc)) @@ -1205,6 +1219,23 @@ static int fimc_cap_streamon(struct file *file, void *priv, if (ret < 0) return ret; + sd = p->subdevs[IDX_SENSOR]; + if (sd) + si = v4l2_get_subdev_hostdata(sd); + + if (si == NULL) { + ret = -EPIPE; + goto err_p_stop; + } + /* + * Save configuration data related to currently attached image + * sensor or other data source, e.g. FIMC-IS. + */ + vc->source_config = *si; + + if (vc->input == GRP_ID_FIMC_IS) + vc->source_config.fimc_bus_type = FIMC_BUS_TYPE_ISP_WRITEBACK; + if (vc->user_subdev_api) { ret = fimc_pipeline_validate(fimc); if (ret < 0) @@ -1461,25 +1492,37 @@ static int fimc_subdev_get_fmt(struct v4l2_subdev *sd, { struct fimc_dev *fimc = v4l2_get_subdevdata(sd); struct fimc_ctx *ctx = fimc->vid_cap.ctx; + struct fimc_frame *ff = &ctx->s_frame; struct v4l2_mbus_framefmt *mf; - struct fimc_frame *ff; if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { mf = v4l2_subdev_get_try_format(fh, fmt->pad); fmt->format = *mf; return 0; } - mf = &fmt->format; - mf->colorspace = V4L2_COLORSPACE_JPEG; - ff = fmt->pad == FIMC_SD_PAD_SINK ? &ctx->s_frame : &ctx->d_frame; + mf = &fmt->format; mutex_lock(&fimc->lock); - /* The pixel code is same on both input and output pad */ - if (!WARN_ON(ctx->s_frame.fmt == NULL)) - mf->code = ctx->s_frame.fmt->mbus_code; - mf->width = ff->f_width; - mf->height = ff->f_height; + + switch (fmt->pad) { + case FIMC_SD_PAD_SOURCE: + if (!WARN_ON(ff->fmt == NULL)) + mf->code = ff->fmt->mbus_code; + /* Sink pads crop rectangle size */ + mf->width = ff->width; + mf->height = ff->height; + break; + case FIMC_SD_PAD_SINK_FIFO: + *mf = fimc->vid_cap.wb_fmt; + break; + case FIMC_SD_PAD_SINK_CAM: + default: + *mf = fimc->vid_cap.ci_fmt; + break; + } + mutex_unlock(&fimc->lock); + mf->colorspace = V4L2_COLORSPACE_JPEG; return 0; } @@ -1490,15 +1533,15 @@ static int fimc_subdev_set_fmt(struct v4l2_subdev *sd, { struct fimc_dev *fimc = v4l2_get_subdevdata(sd); struct v4l2_mbus_framefmt *mf = &fmt->format; - struct fimc_ctx *ctx = fimc->vid_cap.ctx; + struct fimc_vid_cap *vc = &fimc->vid_cap; + struct fimc_ctx *ctx = vc->ctx; struct fimc_frame *ff; struct fimc_fmt *ffmt; dbg("pad%d: code: 0x%x, %dx%d", fmt->pad, mf->code, mf->width, mf->height); - if (fmt->pad == FIMC_SD_PAD_SOURCE && - vb2_is_busy(&fimc->vid_cap.vbq)) + if (fmt->pad == FIMC_SD_PAD_SOURCE && vb2_is_busy(&vc->vbq)) return -EBUSY; mutex_lock(&fimc->lock); @@ -1520,21 +1563,32 @@ static int fimc_subdev_set_fmt(struct v4l2_subdev *sd, fimc_alpha_ctrl_update(ctx); fimc_capture_mark_jpeg_xfer(ctx, ffmt->color); - - ff = fmt->pad == FIMC_SD_PAD_SINK ? - &ctx->s_frame : &ctx->d_frame; + if (fmt->pad == FIMC_SD_PAD_SOURCE) { + ff = &ctx->d_frame; + /* Sink pads crop rectangle size */ + mf->width = ctx->s_frame.width; + mf->height = ctx->s_frame.height; + } else { + ff = &ctx->s_frame; + } mutex_lock(&fimc->lock); set_frame_bounds(ff, mf->width, mf->height); - fimc->vid_cap.mf = *mf; + + if (fmt->pad == FIMC_SD_PAD_SINK_FIFO) + vc->wb_fmt = *mf; + else if (fmt->pad == FIMC_SD_PAD_SINK_CAM) + vc->ci_fmt = *mf; + ff->fmt = ffmt; /* Reset the crop rectangle if required. */ if (!(fmt->pad == FIMC_SD_PAD_SOURCE && (ctx->state & FIMC_COMPOSE))) set_frame_crop(ff, 0, 0, mf->width, mf->height); - if (fmt->pad == FIMC_SD_PAD_SINK) + if (fmt->pad != FIMC_SD_PAD_SOURCE) ctx->state &= ~FIMC_COMPOSE; + mutex_unlock(&fimc->lock); return 0; } @@ -1549,7 +1603,7 @@ static int fimc_subdev_get_selection(struct v4l2_subdev *sd, struct v4l2_rect *r = &sel->r; struct v4l2_rect *try_sel; - if (sel->pad != FIMC_SD_PAD_SINK) + if (sel->pad == FIMC_SD_PAD_SOURCE) return -EINVAL; mutex_lock(&fimc->lock); @@ -1605,7 +1659,7 @@ static int fimc_subdev_set_selection(struct v4l2_subdev *sd, struct v4l2_rect *try_sel; unsigned long flags; - if (sel->pad != FIMC_SD_PAD_SINK) + if (sel->pad == FIMC_SD_PAD_SOURCE) return -EINVAL; mutex_lock(&fimc->lock); @@ -1809,7 +1863,8 @@ int fimc_initialize_capture_subdev(struct fimc_dev *fimc) sd->flags = V4L2_SUBDEV_FL_HAS_DEVNODE; snprintf(sd->name, sizeof(sd->name), "FIMC.%d", fimc->id); - fimc->vid_cap.sd_pads[FIMC_SD_PAD_SINK].flags = MEDIA_PAD_FL_SINK; + fimc->vid_cap.sd_pads[FIMC_SD_PAD_SINK_CAM].flags = MEDIA_PAD_FL_SINK; + fimc->vid_cap.sd_pads[FIMC_SD_PAD_SINK_FIFO].flags = MEDIA_PAD_FL_SINK; fimc->vid_cap.sd_pads[FIMC_SD_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE; ret = media_entity_init(&sd->entity, FIMC_SD_PADS_NUM, fimc->vid_cap.sd_pads, 0); diff --git a/drivers/media/platform/s5p-fimc/fimc-core.c b/drivers/media/platform/s5p-fimc/fimc-core.c index 6a8098c42cc8..1edd3aa8f3f3 100644 --- a/drivers/media/platform/s5p-fimc/fimc-core.c +++ b/drivers/media/platform/s5p-fimc/fimc-core.c @@ -20,6 +20,7 @@ #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/list.h> +#include <linux/mfd/syscon.h> #include <linux/io.h> #include <linux/of.h> #include <linux/of_device.h> @@ -79,6 +80,10 @@ static struct fimc_fmt fimc_formats[] = { .colplanes = 1, .flags = FMT_FLAGS_M2M_OUT | FMT_HAS_ALPHA, }, { + .name = "YUV 4:4:4", + .mbus_code = V4L2_MBUS_FMT_YUV10_1X30, + .flags = FMT_FLAGS_WRITEBACK, + }, { .name = "YUV 4:2:2 packed, YCbYCr", .fourcc = V4L2_PIX_FMT_YUYV, .depth = { 16 }, @@ -959,6 +964,11 @@ static int fimc_probe(struct platform_device *pdev) spin_lock_init(&fimc->slock); mutex_init(&fimc->lock); + fimc->sysreg = syscon_regmap_lookup_by_phandle(dev->of_node, + "samsung,sysreg"); + if (IS_ERR(fimc->sysreg)) + return PTR_ERR(fimc->sysreg); + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); fimc->regs = devm_ioremap_resource(dev, res); if (IS_ERR(fimc->regs)) diff --git a/drivers/media/platform/s5p-fimc/fimc-core.h b/drivers/media/platform/s5p-fimc/fimc-core.h index 145b8cc77af0..6355b3387b96 100644 --- a/drivers/media/platform/s5p-fimc/fimc-core.h +++ b/drivers/media/platform/s5p-fimc/fimc-core.h @@ -12,6 +12,7 @@ /*#define DEBUG*/ #include <linux/platform_device.h> +#include <linux/regmap.h> #include <linux/sched.h> #include <linux/spinlock.h> #include <linux/types.h> @@ -163,6 +164,7 @@ struct fimc_fmt { #define FMT_FLAGS_M2M (1 << 1 | 1 << 2) #define FMT_HAS_ALPHA (1 << 3) #define FMT_FLAGS_COMPRESSED (1 << 4) +#define FMT_FLAGS_WRITEBACK (1 << 5) }; /** @@ -303,9 +305,10 @@ struct fimc_m2m_device { int refcnt; }; -#define FIMC_SD_PAD_SINK 0 -#define FIMC_SD_PAD_SOURCE 1 -#define FIMC_SD_PADS_NUM 2 +#define FIMC_SD_PAD_SINK_CAM 0 +#define FIMC_SD_PAD_SINK_FIFO 1 +#define FIMC_SD_PAD_SOURCE 2 +#define FIMC_SD_PADS_NUM 3 /** * struct fimc_vid_cap - camera capture device information @@ -314,7 +317,9 @@ struct fimc_m2m_device { * @subdev: subdev exposing the FIMC processing block * @vd_pad: fimc video capture node pad * @sd_pads: fimc video processing block pads - * @mf: media bus format at the FIMC camera input (and the scaler output) pad + * @ci_fmt: image format at the FIMC camera input (and the scaler output) + * @wb_fmt: image format at the FIMC ISP Writeback input + * @source_config: external image source related configuration structure * @pending_buf_q: the pending buffer queue head * @active_buf_q: the queue head of buffers scheduled in hardware * @vbq: the capture am video buffer queue @@ -333,8 +338,10 @@ struct fimc_vid_cap { struct video_device vfd; struct v4l2_subdev subdev; struct media_pad vd_pad; - struct v4l2_mbus_framefmt mf; struct media_pad sd_pads[FIMC_SD_PADS_NUM]; + struct v4l2_mbus_framefmt ci_fmt; + struct v4l2_mbus_framefmt wb_fmt; + struct fimc_source_info source_config; struct list_head pending_buf_q; struct list_head active_buf_q; struct vb2_queue vbq; @@ -426,6 +433,7 @@ struct fimc_ctx; * @lock: the mutex protecting this data structure * @pdev: pointer to the FIMC platform device * @pdata: pointer to the device platform data + * @sysreg: pointer to the SYSREG regmap * @variant: the IP variant information * @id: FIMC device index (0..FIMC_MAX_DEVS) * @clock: clocks required for FIMC operation @@ -443,6 +451,7 @@ struct fimc_dev { struct mutex lock; struct platform_device *pdev; struct s5p_platform_fimc *pdata; + struct regmap *sysreg; const struct fimc_variant *variant; const struct fimc_drvdata *drv_data; u16 id; diff --git a/drivers/media/platform/s5p-fimc/fimc-mdevice.c b/drivers/media/platform/s5p-fimc/fimc-mdevice.c index c4a39782d55e..1f29f51b256b 100644 --- a/drivers/media/platform/s5p-fimc/fimc-mdevice.c +++ b/drivers/media/platform/s5p-fimc/fimc-mdevice.c @@ -267,6 +267,11 @@ static struct v4l2_subdev *fimc_md_register_sensor(struct fimc_md *fmd, if (!s_info || !fmd) return NULL; + /* + * If FIMC bus type is not Writeback FIFO assume it is same + * as sensor_bus_type. + */ + s_info->pdata.fimc_bus_type = s_info->pdata.sensor_bus_type; adapter = i2c_get_adapter(s_info->pdata.i2c_bus_num); if (!adapter) { @@ -807,7 +812,7 @@ static int __fimc_md_create_fimc_sink_links(struct fimc_md *fmd, sink = &fmd->fimc[i]->vid_cap.subdev.entity; ret = media_entity_create_link(source, pad, sink, - FIMC_SD_PAD_SINK, flags); + FIMC_SD_PAD_SINK_CAM, flags); if (ret) return ret; diff --git a/drivers/media/platform/s5p-fimc/fimc-reg.c b/drivers/media/platform/s5p-fimc/fimc-reg.c index 4d2fc69d2cba..ee88b94682d0 100644 --- a/drivers/media/platform/s5p-fimc/fimc-reg.c +++ b/drivers/media/platform/s5p-fimc/fimc-reg.c @@ -1,22 +1,24 @@ /* * Register interface file for Samsung Camera Interface (FIMC) driver * - * Copyright (C) 2010 - 2012 Samsung Electronics Co., Ltd. - * Sylwester Nawrocki, <s.nawrocki@samsung.com> + * Copyright (C) 2010 - 2013 Samsung Electronics Co., Ltd. + * Sylwester Nawrocki <s.nawrocki@samsung.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ -#include <linux/io.h> #include <linux/delay.h> +#include <linux/io.h> +#include <linux/regmap.h> + #include <media/s5p_fimc.h> +#include "fimc-mdevice.h" #include "fimc-reg.h" #include "fimc-core.h" - void fimc_hw_reset(struct fimc_dev *dev) { u32 cfg; @@ -598,7 +600,8 @@ static const struct mbus_pixfmt_desc pix_desc[] = { int fimc_hw_set_camera_source(struct fimc_dev *fimc, struct fimc_source_info *source) { - struct fimc_frame *f = &fimc->vid_cap.ctx->s_frame; + struct fimc_vid_cap *vc = &fimc->vid_cap; + struct fimc_frame *f = &vc->ctx->s_frame; u32 bus_width, cfg = 0; int i; @@ -606,7 +609,7 @@ int fimc_hw_set_camera_source(struct fimc_dev *fimc, case FIMC_BUS_TYPE_ITU_601: case FIMC_BUS_TYPE_ITU_656: for (i = 0; i < ARRAY_SIZE(pix_desc); i++) { - if (fimc->vid_cap.mf.code == pix_desc[i].pixelcode) { + if (vc->ci_fmt.code == pix_desc[i].pixelcode) { cfg = pix_desc[i].cisrcfmt; bus_width = pix_desc[i].bus_width; break; @@ -614,9 +617,9 @@ int fimc_hw_set_camera_source(struct fimc_dev *fimc, } if (i == ARRAY_SIZE(pix_desc)) { - v4l2_err(&fimc->vid_cap.vfd, + v4l2_err(&vc->vfd, "Camera color format not supported: %d\n", - fimc->vid_cap.mf.code); + vc->ci_fmt.code); return -EINVAL; } @@ -631,6 +634,10 @@ int fimc_hw_set_camera_source(struct fimc_dev *fimc, if (fimc_fmt_is_user_defined(f->fmt->color)) cfg |= FIMC_REG_CISRCFMT_ITU601_8BIT; break; + default: + case FIMC_BUS_TYPE_ISP_WRITEBACK: + /* Anything to do here ? */ + break; } cfg |= (f->o_width << 16) | f->o_height; @@ -660,16 +667,17 @@ void fimc_hw_set_camera_offset(struct fimc_dev *fimc, struct fimc_frame *f) int fimc_hw_set_camera_type(struct fimc_dev *fimc, struct fimc_source_info *source) { - u32 cfg, tmp; struct fimc_vid_cap *vid_cap = &fimc->vid_cap; u32 csis_data_alignment = 32; + u32 cfg, tmp; cfg = readl(fimc->regs + FIMC_REG_CIGCTRL); /* Select ITU B interface, disable Writeback path and test pattern. */ cfg &= ~(FIMC_REG_CIGCTRL_TESTPAT_MASK | FIMC_REG_CIGCTRL_SELCAM_ITU_A | FIMC_REG_CIGCTRL_SELCAM_MIPI | FIMC_REG_CIGCTRL_CAMIF_SELWB | - FIMC_REG_CIGCTRL_SELCAM_MIPI_A | FIMC_REG_CIGCTRL_CAM_JPEG); + FIMC_REG_CIGCTRL_SELCAM_MIPI_A | FIMC_REG_CIGCTRL_CAM_JPEG | + FIMC_REG_CIGCTRL_SELWB_A); switch (source->fimc_bus_type) { case FIMC_BUS_TYPE_MIPI_CSI2: @@ -679,7 +687,7 @@ int fimc_hw_set_camera_type(struct fimc_dev *fimc, cfg |= FIMC_REG_CIGCTRL_SELCAM_MIPI_A; /* TODO: add remaining supported formats. */ - switch (vid_cap->mf.code) { + switch (vid_cap->ci_fmt.code) { case V4L2_MBUS_FMT_VYUY8_2X8: tmp = FIMC_REG_CSIIMGFMT_YCBCR422_8BIT; break; @@ -691,7 +699,7 @@ int fimc_hw_set_camera_type(struct fimc_dev *fimc, default: v4l2_err(&vid_cap->vfd, "Not supported camera pixel format: %#x\n", - vid_cap->mf.code); + vid_cap->ci_fmt.code); return -EINVAL; } tmp |= (csis_data_alignment == 32) << 8; @@ -704,6 +712,12 @@ int fimc_hw_set_camera_type(struct fimc_dev *fimc, break; case FIMC_BUS_TYPE_LCD_WRITEBACK_A: cfg |= FIMC_REG_CIGCTRL_CAMIF_SELWB; + /* fall through */ + case FIMC_BUS_TYPE_ISP_WRITEBACK: + if (fimc->variant->has_isp_wb) + cfg |= FIMC_REG_CIGCTRL_CAMIF_SELWB; + else + WARN_ONCE(1, "ISP Writeback input is not supported\n"); break; default: v4l2_err(&vid_cap->vfd, "Invalid FIMC bus type selected: %d\n", @@ -784,3 +798,40 @@ void fimc_deactivate_capture(struct fimc_dev *fimc) fimc_hw_enable_scaler(fimc, false); fimc_hw_en_lastirq(fimc, false); } + +int fimc_hw_camblk_cfg_writeback(struct fimc_dev *fimc) +{ + struct regmap *map = fimc->sysreg; + unsigned int mask, val, camblk_cfg; + int ret; + + ret = regmap_read(map, SYSREG_CAMBLK, &camblk_cfg); + if (ret < 0 || ((camblk_cfg & 0x00700000) >> 20 != 0x3)) + return ret; + + if (!WARN(fimc->id >= 3, "not supported id: %d\n", fimc->id)) + val = 0x1 << (fimc->id + 20); + else + val = 0; + + mask = SYSREG_CAMBLK_FIFORST_ISP | SYSREG_CAMBLK_ISPWB_FULL_EN; + ret = regmap_update_bits(map, SYSREG_CAMBLK, mask, val); + if (ret < 0) + return ret; + + usleep_range(1000, 2000); + + val |= SYSREG_CAMBLK_FIFORST_ISP; + ret = regmap_update_bits(map, SYSREG_CAMBLK, mask, val); + if (ret < 0) + return ret; + + mask = SYSREG_ISPBLK_FIFORST_CAM_BLK; + ret = regmap_update_bits(map, SYSREG_ISPBLK, mask, ~mask); + if (ret < 0) + return ret; + + usleep_range(1000, 2000); + + return regmap_update_bits(map, SYSREG_ISPBLK, mask, mask); +} diff --git a/drivers/media/platform/s5p-fimc/fimc-reg.h b/drivers/media/platform/s5p-fimc/fimc-reg.h index 1a40df6d1a80..01da7f3622bf 100644 --- a/drivers/media/platform/s5p-fimc/fimc-reg.h +++ b/drivers/media/platform/s5p-fimc/fimc-reg.h @@ -52,6 +52,8 @@ #define FIMC_REG_CIGCTRL_IRQ_CLR (1 << 19) #define FIMC_REG_CIGCTRL_IRQ_ENABLE (1 << 16) #define FIMC_REG_CIGCTRL_SHDW_DISABLE (1 << 12) +/* 0 - selects Writeback A (LCD), 1 - selects Writeback B (LCD/ISP) */ +#define FIMC_REG_CIGCTRL_SELWB_A (1 << 10) #define FIMC_REG_CIGCTRL_CAM_JPEG (1 << 8) #define FIMC_REG_CIGCTRL_SELCAM_MIPI_A (1 << 7) #define FIMC_REG_CIGCTRL_CAMIF_SELWB (1 << 6) @@ -276,6 +278,14 @@ /* Output frame buffer sequence mask */ #define FIMC_REG_CIFCNTSEQ 0x1fc +/* SYSREG ISP Writeback register address offsets */ +#define SYSREG_ISPBLK 0x020c +#define SYSREG_ISPBLK_FIFORST_CAM_BLK (1 << 7) + +#define SYSREG_CAMBLK 0x0218 +#define SYSREG_CAMBLK_FIFORST_ISP (1 << 15) +#define SYSREG_CAMBLK_ISPWB_FULL_EN (7 << 20) + /* * Function declarations */ @@ -309,6 +319,7 @@ void fimc_hw_activate_input_dma(struct fimc_dev *dev, bool on); void fimc_hw_disable_capture(struct fimc_dev *dev); s32 fimc_hw_get_frame_index(struct fimc_dev *dev); s32 fimc_hw_get_prev_frame_index(struct fimc_dev *dev); +int fimc_hw_camblk_cfg_writeback(struct fimc_dev *fimc); void fimc_activate_capture(struct fimc_ctx *ctx); void fimc_deactivate_capture(struct fimc_dev *fimc); |