diff options
-rw-r--r-- | drivers/media/platform/ti/cal/cal-camerarx.c | 131 | ||||
-rw-r--r-- | drivers/media/platform/ti/cal/cal-video.c | 21 | ||||
-rw-r--r-- | drivers/media/platform/ti/cal/cal.h | 8 |
3 files changed, 53 insertions, 107 deletions
diff --git a/drivers/media/platform/ti/cal/cal-camerarx.c b/drivers/media/platform/ti/cal/cal-camerarx.c index 97208d542f9e..bc09c3f1446d 100644 --- a/drivers/media/platform/ti/cal/cal-camerarx.c +++ b/drivers/media/platform/ti/cal/cal-camerarx.c @@ -50,10 +50,16 @@ static s64 cal_camerarx_get_ext_link_freq(struct cal_camerarx *phy) struct v4l2_mbus_config_mipi_csi2 *mipi_csi2 = &phy->endpoint.bus.mipi_csi2; u32 num_lanes = mipi_csi2->num_data_lanes; const struct cal_format_info *fmtinfo; + struct v4l2_subdev_state *state; + struct v4l2_mbus_framefmt *fmt; u32 bpp; s64 freq; - fmtinfo = cal_format_by_code(phy->formats[CAL_CAMERARX_PAD_SINK].code); + state = v4l2_subdev_get_locked_active_state(&phy->subdev); + + fmt = v4l2_subdev_get_pad_format(&phy->subdev, state, CAL_CAMERARX_PAD_SINK); + + fmtinfo = cal_format_by_code(fmt->code); if (!fmtinfo) return -EINVAL; @@ -620,34 +626,20 @@ static inline struct cal_camerarx *to_cal_camerarx(struct v4l2_subdev *sd) return container_of(sd, struct cal_camerarx, subdev); } -static struct v4l2_mbus_framefmt * -cal_camerarx_get_pad_format(struct cal_camerarx *phy, - struct v4l2_subdev_state *state, - unsigned int pad, u32 which) -{ - switch (which) { - case V4L2_SUBDEV_FORMAT_TRY: - return v4l2_subdev_get_try_format(&phy->subdev, state, pad); - case V4L2_SUBDEV_FORMAT_ACTIVE: - return &phy->formats[pad]; - default: - return NULL; - } -} - static int cal_camerarx_sd_s_stream(struct v4l2_subdev *sd, int enable) { struct cal_camerarx *phy = to_cal_camerarx(sd); + struct v4l2_subdev_state *state; int ret = 0; - mutex_lock(&phy->mutex); + state = v4l2_subdev_lock_and_get_active_state(sd); if (enable) ret = cal_camerarx_start(phy); else cal_camerarx_stop(phy); - mutex_unlock(&phy->mutex); + v4l2_subdev_unlock_state(state); return ret; } @@ -657,62 +649,44 @@ static int cal_camerarx_sd_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_mbus_code_enum *code) { struct cal_camerarx *phy = to_cal_camerarx(sd); - int ret = 0; - - mutex_lock(&phy->mutex); /* No transcoding, source and sink codes must match. */ if (cal_rx_pad_is_source(code->pad)) { struct v4l2_mbus_framefmt *fmt; - if (code->index > 0) { - ret = -EINVAL; - goto out; - } + if (code->index > 0) + return -EINVAL; - fmt = cal_camerarx_get_pad_format(phy, state, - CAL_CAMERARX_PAD_SINK, - code->which); + fmt = v4l2_subdev_get_pad_format(&phy->subdev, state, + CAL_CAMERARX_PAD_SINK); code->code = fmt->code; } else { - if (code->index >= cal_num_formats) { - ret = -EINVAL; - goto out; - } + if (code->index >= cal_num_formats) + return -EINVAL; code->code = cal_formats[code->index].code; } -out: - mutex_unlock(&phy->mutex); - - return ret; + return 0; } static int cal_camerarx_sd_enum_frame_size(struct v4l2_subdev *sd, struct v4l2_subdev_state *state, struct v4l2_subdev_frame_size_enum *fse) { - struct cal_camerarx *phy = to_cal_camerarx(sd); const struct cal_format_info *fmtinfo; - int ret = 0; if (fse->index > 0) return -EINVAL; - mutex_lock(&phy->mutex); - /* No transcoding, source and sink formats must match. */ if (cal_rx_pad_is_source(fse->pad)) { struct v4l2_mbus_framefmt *fmt; - fmt = cal_camerarx_get_pad_format(phy, state, - CAL_CAMERARX_PAD_SINK, - fse->which); - if (fse->code != fmt->code) { - ret = -EINVAL; - goto out; - } + fmt = v4l2_subdev_get_pad_format(sd, state, + CAL_CAMERARX_PAD_SINK); + if (fse->code != fmt->code) + return -EINVAL; fse->min_width = fmt->width; fse->max_width = fmt->width; @@ -720,10 +694,8 @@ static int cal_camerarx_sd_enum_frame_size(struct v4l2_subdev *sd, fse->max_height = fmt->height; } else { fmtinfo = cal_format_by_code(fse->code); - if (!fmtinfo) { - ret = -EINVAL; - goto out; - } + if (!fmtinfo) + return -EINVAL; fse->min_width = CAL_MIN_WIDTH_BYTES * 8 / ALIGN(fmtinfo->bpp, 8); fse->max_width = CAL_MAX_WIDTH_BYTES * 8 / ALIGN(fmtinfo->bpp, 8); @@ -731,27 +703,6 @@ static int cal_camerarx_sd_enum_frame_size(struct v4l2_subdev *sd, fse->max_height = CAL_MAX_HEIGHT_LINES; } -out: - mutex_unlock(&phy->mutex); - - return ret; -} - -static int cal_camerarx_sd_get_fmt(struct v4l2_subdev *sd, - struct v4l2_subdev_state *state, - struct v4l2_subdev_format *format) -{ - struct cal_camerarx *phy = to_cal_camerarx(sd); - struct v4l2_mbus_framefmt *fmt; - - mutex_lock(&phy->mutex); - - fmt = cal_camerarx_get_pad_format(phy, state, format->pad, - format->which); - format->format = *fmt; - - mutex_unlock(&phy->mutex); - return 0; } @@ -759,14 +710,13 @@ static int cal_camerarx_sd_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *state, struct v4l2_subdev_format *format) { - struct cal_camerarx *phy = to_cal_camerarx(sd); const struct cal_format_info *fmtinfo; struct v4l2_mbus_framefmt *fmt; unsigned int bpp; /* No transcoding, source and sink formats must match. */ if (cal_rx_pad_is_source(format->pad)) - return cal_camerarx_sd_get_fmt(sd, state, format); + return v4l2_subdev_get_fmt(sd, state, format); /* * Default to the first format if the requested media bus code isn't @@ -790,20 +740,13 @@ static int cal_camerarx_sd_set_fmt(struct v4l2_subdev *sd, /* Store the format and propagate it to the source pad. */ - mutex_lock(&phy->mutex); - - fmt = cal_camerarx_get_pad_format(phy, state, - CAL_CAMERARX_PAD_SINK, - format->which); + fmt = v4l2_subdev_get_pad_format(sd, state, CAL_CAMERARX_PAD_SINK); *fmt = format->format; - fmt = cal_camerarx_get_pad_format(phy, state, - CAL_CAMERARX_PAD_FIRST_SOURCE, - format->which); + fmt = v4l2_subdev_get_pad_format(sd, state, + CAL_CAMERARX_PAD_FIRST_SOURCE); *fmt = format->format; - mutex_unlock(&phy->mutex); - return 0; } @@ -837,7 +780,7 @@ static const struct v4l2_subdev_pad_ops cal_camerarx_pad_ops = { .init_cfg = cal_camerarx_sd_init_cfg, .enum_mbus_code = cal_camerarx_sd_enum_mbus_code, .enum_frame_size = cal_camerarx_sd_enum_frame_size, - .get_fmt = cal_camerarx_sd_get_fmt, + .get_fmt = v4l2_subdev_get_fmt, .set_fmt = cal_camerarx_sd_set_fmt, }; @@ -872,7 +815,6 @@ struct cal_camerarx *cal_camerarx_create(struct cal_dev *cal, phy->instance = instance; spin_lock_init(&phy->vc_lock); - mutex_init(&phy->mutex); phy->res = platform_get_resource_byname(pdev, IORESOURCE_MEM, (instance == 0) ? @@ -881,8 +823,7 @@ struct cal_camerarx *cal_camerarx_create(struct cal_dev *cal, phy->base = devm_ioremap_resource(cal->dev, phy->res); if (IS_ERR(phy->base)) { cal_err(cal, "failed to ioremap\n"); - ret = PTR_ERR(phy->base); - goto err_destroy_mutex; + return ERR_CAST(phy->base); } cal_dbg(1, cal, "ioresource %s at %pa - %pa\n", @@ -890,11 +831,11 @@ struct cal_camerarx *cal_camerarx_create(struct cal_dev *cal, ret = cal_camerarx_regmap_init(cal, phy); if (ret) - goto err_destroy_mutex; + return ERR_PTR(ret); ret = cal_camerarx_parse_dt(phy); if (ret) - goto err_destroy_mutex; + return ERR_PTR(ret); /* Initialize the V4L2 subdev and media entity. */ sd = &phy->subdev; @@ -913,23 +854,23 @@ struct cal_camerarx *cal_camerarx_create(struct cal_dev *cal, if (ret) goto err_node_put; - ret = cal_camerarx_sd_init_cfg(sd, NULL); + ret = v4l2_subdev_init_finalize(sd); if (ret) goto err_entity_cleanup; ret = v4l2_device_register_subdev(&cal->v4l2_dev, sd); if (ret) - goto err_entity_cleanup; + goto err_free_state; return phy; +err_free_state: + v4l2_subdev_cleanup(sd); err_entity_cleanup: media_entity_cleanup(&phy->subdev.entity); err_node_put: of_node_put(phy->source_ep_node); of_node_put(phy->source_node); -err_destroy_mutex: - mutex_destroy(&phy->mutex); return ERR_PTR(ret); } @@ -939,8 +880,8 @@ void cal_camerarx_destroy(struct cal_camerarx *phy) return; v4l2_device_unregister_subdev(&phy->subdev); + v4l2_subdev_cleanup(&phy->subdev); media_entity_cleanup(&phy->subdev.entity); of_node_put(phy->source_ep_node); of_node_put(phy->source_node); - mutex_destroy(&phy->mutex); } diff --git a/drivers/media/platform/ti/cal/cal-video.c b/drivers/media/platform/ti/cal/cal-video.c index ed92e23d4b16..a8abcd0fee17 100644 --- a/drivers/media/platform/ti/cal/cal-video.c +++ b/drivers/media/platform/ti/cal/cal-video.c @@ -687,21 +687,34 @@ static void cal_release_buffers(struct cal_ctx *ctx, static int cal_video_check_format(struct cal_ctx *ctx) { const struct v4l2_mbus_framefmt *format; + struct v4l2_subdev_state *state; struct media_pad *remote_pad; + int ret = 0; remote_pad = media_pad_remote_pad_first(&ctx->pad); if (!remote_pad) return -ENODEV; - format = &ctx->phy->formats[remote_pad->index]; + state = v4l2_subdev_lock_and_get_active_state(&ctx->phy->subdev); + + format = v4l2_subdev_get_pad_format(&ctx->phy->subdev, state, remote_pad->index); + if (!format) { + ret = -EINVAL; + goto out; + } if (ctx->fmtinfo->code != format->code || ctx->v_fmt.fmt.pix.height != format->height || ctx->v_fmt.fmt.pix.width != format->width || - ctx->v_fmt.fmt.pix.field != format->field) - return -EPIPE; + ctx->v_fmt.fmt.pix.field != format->field) { + ret = -EPIPE; + goto out; + } - return 0; +out: + v4l2_subdev_unlock_state(state); + + return ret; } static int cal_start_streaming(struct vb2_queue *vq, unsigned int count) diff --git a/drivers/media/platform/ti/cal/cal.h b/drivers/media/platform/ti/cal/cal.h index de73d6d21b6f..55d4736fed18 100644 --- a/drivers/media/platform/ti/cal/cal.h +++ b/drivers/media/platform/ti/cal/cal.h @@ -177,7 +177,6 @@ struct cal_camerarx { struct v4l2_subdev subdev; struct media_pad pads[CAL_CAMERARX_NUM_PADS]; - struct v4l2_mbus_framefmt formats[CAL_CAMERARX_NUM_PADS]; /* protects the vc_* fields below */ spinlock_t vc_lock; @@ -185,13 +184,6 @@ struct cal_camerarx { u16 vc_frame_number[4]; u32 vc_sequence[4]; - /* - * Lock for camerarx ops. Protects: - * - formats - * - enable_count - */ - struct mutex mutex; - unsigned int enable_count; }; |