[v2,02/14] media: rkisp1: resizer: Use V4L2 subdev active state

Message ID	20230925004112.22797-3-laurent.pinchart@ideasonboard.com (mailing list archive)
State	New, archived
Headers	show Return-Path: <linux-media-owner@vger.kernel.org> From: Laurent Pinchart <laurent.pinchart@ideasonboard.com> To: linux-media@vger.kernel.org Cc: Dafna Hirschfeld <dafna@fastmail.com>, Paul Elder <paul.elder@ideasonboard.com>, linux-rockchip@lists.infradead.org Subject: [PATCH v2 02/14] media: rkisp1: resizer: Use V4L2 subdev active state Date: Mon, 25 Sep 2023 03:41:00 +0300 Message-ID: <20230925004112.22797-3-laurent.pinchart@ideasonboard.com> In-Reply-To: <20230925004112.22797-1-laurent.pinchart@ideasonboard.com> References: <20230925004112.22797-1-laurent.pinchart@ideasonboard.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk
Series	media: rkisp1: Various cleanups and fixes \| expand [v2,00/14] media: rkisp1: Various cleanups and fixes [v2,01/14] MAINTAINERS: Add co-maintainer for the rkisp1 driver [v2,02/14] media: rkisp1: resizer: Use V4L2 subdev active state [v2,03/14] media: rkisp1: isp: Use V4L2 subdev active state [v2,04/14] media: rkisp1: csi: Use V4L2 subdev active state [v2,05/14] media: rkisp1: Convert hex constants to lowercase [v2,06/14] media: rkisp1: Constify rkisp1_v12_params_ops [v2,07/14] media: rkisp1: Fix line stride calculation [v2,08/14] media: rkisp1: Remove dual crop control register from config structure [v2,09/14] media: rkisp1: Program RKISP1_CIF_MI_SP_Y_PIC_SIZE register [v2,10/14] media: rkisp1: resizer: Constify argument and local variables [v2,11/14] media: rkisp1: resizer: Use v4l2_area instead of v4l2_rect to store size [v2,12/14] media: rkisp1: resizer: Drop unneeded local variable [v2,13/14] media: rkisp1: resizer: Improve debug message when configuring resizer [v2,14/14] media: rkisp1: resizer: Fix resizer disable check when starting stream

diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h index d30f0ecb1bfd..5a03e460e08d 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h @@ -390,10 +390,7 @@ struct rkisp1_params { * @id: id of the resizer, one of RKISP1_SELFPATH, RKISP1_MAINPATH * @rkisp1: pointer to the rkisp1 device * @pads: media pads - * @pad_cfg: configurations for the pads * @config: the set of registers to configure the resizer - * @pixel_enc: pixel encoding of the resizer - * @ops_lock: a lock for the subdev ops */ struct rkisp1_resizer { struct v4l2_subdev sd; @@ -401,10 +398,7 @@ struct rkisp1_resizer { enum rkisp1_stream_id id; struct rkisp1_device *rkisp1; struct media_pad pads[RKISP1_RSZ_PAD_MAX]; - struct v4l2_subdev_pad_config pad_cfg[RKISP1_RSZ_PAD_MAX]; const struct rkisp1_rsz_config *config; - enum v4l2_pixel_encoding pixel_enc; - struct mutex ops_lock; /* serialize the subdevice ops */ }; /* diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c index c15ae0218118..6845df38ef5f 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c @@ -117,34 +117,6 @@ static inline void rkisp1_rsz_write(struct rkisp1_resizer *rsz, u32 offset, rkisp1_write(rsz->rkisp1, rsz->regs_base + offset, value); } -static struct v4l2_mbus_framefmt * -rkisp1_rsz_get_pad_fmt(struct rkisp1_resizer *rsz, - struct v4l2_subdev_state *sd_state, - unsigned int pad, u32 which) -{ - struct v4l2_subdev_state state = { - .pads = rsz->pad_cfg, - }; - if (which == V4L2_SUBDEV_FORMAT_TRY) - return v4l2_subdev_get_try_format(&rsz->sd, sd_state, pad); - else - return v4l2_subdev_get_try_format(&rsz->sd, &state, pad); -} - -static struct v4l2_rect * -rkisp1_rsz_get_pad_crop(struct rkisp1_resizer *rsz, - struct v4l2_subdev_state *sd_state, - unsigned int pad, u32 which) -{ - struct v4l2_subdev_state state = { - .pads = rsz->pad_cfg, - }; - if (which == V4L2_SUBDEV_FORMAT_TRY) - return v4l2_subdev_get_try_crop(&rsz->sd, sd_state, pad); - else - return v4l2_subdev_get_try_crop(&rsz->sd, &state, pad); -} - /* ---------------------------------------------------------------------------- * Dual crop hw configs */ @@ -165,17 +137,18 @@ static void rkisp1_dcrop_disable(struct rkisp1_resizer *rsz, } /* configure dual-crop unit */ -static void rkisp1_dcrop_config(struct rkisp1_resizer *rsz) +static void rkisp1_dcrop_config(struct rkisp1_resizer *rsz, + struct v4l2_subdev_state *sd_state) { struct rkisp1_device *rkisp1 = rsz->rkisp1; struct v4l2_mbus_framefmt *sink_fmt; struct v4l2_rect *sink_crop; u32 dc_ctrl; - sink_crop = rkisp1_rsz_get_pad_crop(rsz, NULL, RKISP1_RSZ_PAD_SINK, - V4L2_SUBDEV_FORMAT_ACTIVE); - sink_fmt = rkisp1_rsz_get_pad_fmt(rsz, NULL, RKISP1_RSZ_PAD_SINK, - V4L2_SUBDEV_FORMAT_ACTIVE); + sink_crop = v4l2_subdev_get_pad_crop(&rsz->sd, sd_state, + RKISP1_RSZ_PAD_SINK); + sink_fmt = v4l2_subdev_get_pad_format(&rsz->sd, sd_state, + RKISP1_RSZ_PAD_SINK); if (sink_crop->width == sink_fmt->width && sink_crop->height == sink_fmt->height && @@ -296,6 +269,7 @@ static void rkisp1_rsz_config_regs(struct rkisp1_resizer *rsz, } static void rkisp1_rsz_config(struct rkisp1_resizer *rsz, + struct v4l2_subdev_state *sd_state, enum rkisp1_shadow_regs_when when) { const struct rkisp1_rsz_yuv_mbus_info *sink_yuv_info, *src_yuv_info; @@ -303,20 +277,21 @@ static void rkisp1_rsz_config(struct rkisp1_resizer *rsz, struct v4l2_mbus_framefmt *src_fmt, *sink_fmt; struct v4l2_rect *sink_crop; - sink_crop = rkisp1_rsz_get_pad_crop(rsz, NULL, RKISP1_RSZ_PAD_SINK, - V4L2_SUBDEV_FORMAT_ACTIVE); - src_fmt = rkisp1_rsz_get_pad_fmt(rsz, NULL, RKISP1_RSZ_PAD_SRC, - V4L2_SUBDEV_FORMAT_ACTIVE); - src_yuv_info = rkisp1_rsz_get_yuv_mbus_info(src_fmt->code); - sink_fmt = rkisp1_rsz_get_pad_fmt(rsz, NULL, RKISP1_RSZ_PAD_SINK, - V4L2_SUBDEV_FORMAT_ACTIVE); + sink_fmt = v4l2_subdev_get_pad_format(&rsz->sd, sd_state, + RKISP1_RSZ_PAD_SINK); + sink_crop = v4l2_subdev_get_pad_crop(&rsz->sd, sd_state, + RKISP1_RSZ_PAD_SINK); + src_fmt = v4l2_subdev_get_pad_format(&rsz->sd, sd_state, + RKISP1_RSZ_PAD_SRC); + sink_yuv_info = rkisp1_rsz_get_yuv_mbus_info(sink_fmt->code); + src_yuv_info = rkisp1_rsz_get_yuv_mbus_info(src_fmt->code); /* * The resizer only works on yuv formats, * so return if it is bayer format. */ - if (rsz->pixel_enc == V4L2_PIXEL_ENC_BAYER) { + if (!sink_yuv_info) { rkisp1_rsz_disable(rsz, when); return; } @@ -405,7 +380,7 @@ static int rkisp1_rsz_init_config(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *sink_fmt, *src_fmt; struct v4l2_rect *sink_crop; - sink_fmt = v4l2_subdev_get_try_format(sd, sd_state, + sink_fmt = v4l2_subdev_get_pad_format(sd, sd_state, RKISP1_RSZ_PAD_SRC); sink_fmt->width = RKISP1_DEFAULT_WIDTH; sink_fmt->height = RKISP1_DEFAULT_HEIGHT; @@ -423,7 +398,7 @@ static int rkisp1_rsz_init_config(struct v4l2_subdev *sd, sink_crop->left = 0; sink_crop->top = 0; - src_fmt = v4l2_subdev_get_try_format(sd, sd_state, + src_fmt = v4l2_subdev_get_pad_format(sd, sd_state, RKISP1_RSZ_PAD_SINK); *src_fmt = *sink_fmt; @@ -434,16 +409,16 @@ static int rkisp1_rsz_init_config(struct v4l2_subdev *sd, static void rkisp1_rsz_set_src_fmt(struct rkisp1_resizer *rsz, struct v4l2_subdev_state *sd_state, - struct v4l2_mbus_framefmt *format, - unsigned int which) + struct v4l2_mbus_framefmt *format) { const struct rkisp1_mbus_info *sink_mbus_info; struct v4l2_mbus_framefmt *src_fmt, *sink_fmt; - sink_fmt = rkisp1_rsz_get_pad_fmt(rsz, sd_state, RKISP1_RSZ_PAD_SINK, - which); - src_fmt = rkisp1_rsz_get_pad_fmt(rsz, sd_state, RKISP1_RSZ_PAD_SRC, - which); + sink_fmt = v4l2_subdev_get_pad_format(&rsz->sd, sd_state, + RKISP1_RSZ_PAD_SINK); + src_fmt = v4l2_subdev_get_pad_format(&rsz->sd, sd_state, + RKISP1_RSZ_PAD_SRC); + sink_mbus_info = rkisp1_mbus_info_get_by_code(sink_fmt->code); /* for YUV formats, userspace can change the mbus code on the src pad if it is supported */ @@ -463,18 +438,16 @@ static void rkisp1_rsz_set_src_fmt(struct rkisp1_resizer *rsz, static void rkisp1_rsz_set_sink_crop(struct rkisp1_resizer *rsz, struct v4l2_subdev_state *sd_state, - struct v4l2_rect *r, - unsigned int which) + struct v4l2_rect *r) { const struct rkisp1_mbus_info *mbus_info; struct v4l2_mbus_framefmt *sink_fmt; struct v4l2_rect *sink_crop; - sink_fmt = rkisp1_rsz_get_pad_fmt(rsz, sd_state, RKISP1_RSZ_PAD_SINK, - which); - sink_crop = rkisp1_rsz_get_pad_crop(rsz, sd_state, - RKISP1_RSZ_PAD_SINK, - which); + sink_fmt = v4l2_subdev_get_pad_format(&rsz->sd, sd_state, + RKISP1_RSZ_PAD_SINK); + sink_crop = v4l2_subdev_get_pad_crop(&rsz->sd, sd_state, + RKISP1_RSZ_PAD_SINK); /* Not crop for MP bayer raw data */ mbus_info = rkisp1_mbus_info_get_by_code(sink_fmt->code); @@ -501,21 +474,20 @@ static void rkisp1_rsz_set_sink_crop(struct rkisp1_resizer *rsz, static void rkisp1_rsz_set_sink_fmt(struct rkisp1_resizer *rsz, struct v4l2_subdev_state *sd_state, - struct v4l2_mbus_framefmt *format, - unsigned int which) + struct v4l2_mbus_framefmt *format) { const struct rkisp1_mbus_info *mbus_info; struct v4l2_mbus_framefmt *sink_fmt, *src_fmt; struct v4l2_rect *sink_crop; bool is_yuv; - sink_fmt = rkisp1_rsz_get_pad_fmt(rsz, sd_state, RKISP1_RSZ_PAD_SINK, - which); - src_fmt = rkisp1_rsz_get_pad_fmt(rsz, sd_state, RKISP1_RSZ_PAD_SRC, - which); - sink_crop = rkisp1_rsz_get_pad_crop(rsz, sd_state, - RKISP1_RSZ_PAD_SINK, - which); + sink_fmt = v4l2_subdev_get_pad_format(&rsz->sd, sd_state, + RKISP1_RSZ_PAD_SINK); + src_fmt = v4l2_subdev_get_pad_format(&rsz->sd, sd_state, + RKISP1_RSZ_PAD_SRC); + sink_crop = v4l2_subdev_get_pad_crop(&rsz->sd, sd_state, + RKISP1_RSZ_PAD_SINK); + if (rsz->id == RKISP1_SELFPATH) sink_fmt->code = MEDIA_BUS_FMT_YUYV8_2X8; else @@ -526,8 +498,6 @@ static void rkisp1_rsz_set_sink_fmt(struct rkisp1_resizer *rsz, sink_fmt->code = RKISP1_DEF_FMT; mbus_info = rkisp1_mbus_info_get_by_code(sink_fmt->code); } - if (which == V4L2_SUBDEV_FORMAT_ACTIVE) - rsz->pixel_enc = mbus_info->pixel_enc; sink_fmt->width = clamp_t(u32, format->width, RKISP1_ISP_MIN_WIDTH, @@ -576,21 +546,7 @@ static void rkisp1_rsz_set_sink_fmt(struct rkisp1_resizer *rsz, src_fmt->quantization = sink_fmt->quantization; /* Update sink crop */ - rkisp1_rsz_set_sink_crop(rsz, sd_state, sink_crop, which); -} - -static int rkisp1_rsz_get_fmt(struct v4l2_subdev *sd, - struct v4l2_subdev_state *sd_state, - struct v4l2_subdev_format *fmt) -{ - struct rkisp1_resizer *rsz = - container_of(sd, struct rkisp1_resizer, sd); - - mutex_lock(&rsz->ops_lock); - fmt->format = *rkisp1_rsz_get_pad_fmt(rsz, sd_state, fmt->pad, - fmt->which); - mutex_unlock(&rsz->ops_lock); - return 0; + rkisp1_rsz_set_sink_crop(rsz, sd_state, sink_crop); } static int rkisp1_rsz_set_fmt(struct v4l2_subdev *sd, @@ -600,15 +556,11 @@ static int rkisp1_rsz_set_fmt(struct v4l2_subdev *sd, struct rkisp1_resizer *rsz = container_of(sd, struct rkisp1_resizer, sd); - mutex_lock(&rsz->ops_lock); if (fmt->pad == RKISP1_RSZ_PAD_SINK) - rkisp1_rsz_set_sink_fmt(rsz, sd_state, &fmt->format, - fmt->which); + rkisp1_rsz_set_sink_fmt(rsz, sd_state, &fmt->format); else - rkisp1_rsz_set_src_fmt(rsz, sd_state, &fmt->format, - fmt->which); + rkisp1_rsz_set_src_fmt(rsz, sd_state, &fmt->format); - mutex_unlock(&rsz->ops_lock); return 0; } @@ -616,35 +568,32 @@ static int rkisp1_rsz_get_selection(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_selection *sel) { - struct rkisp1_resizer *rsz = - container_of(sd, struct rkisp1_resizer, sd); struct v4l2_mbus_framefmt *mf_sink; int ret = 0; if (sel->pad == RKISP1_RSZ_PAD_SRC) return -EINVAL; - mutex_lock(&rsz->ops_lock); switch (sel->target) { case V4L2_SEL_TGT_CROP_BOUNDS: - mf_sink = rkisp1_rsz_get_pad_fmt(rsz, sd_state, - RKISP1_RSZ_PAD_SINK, - sel->which); + mf_sink = v4l2_subdev_get_pad_format(sd, sd_state, + RKISP1_RSZ_PAD_SINK); sel->r.height = mf_sink->height; sel->r.width = mf_sink->width; sel->r.left = 0; sel->r.top = 0; break; + case V4L2_SEL_TGT_CROP: - sel->r = *rkisp1_rsz_get_pad_crop(rsz, sd_state, - RKISP1_RSZ_PAD_SINK, - sel->which); + sel->r = *v4l2_subdev_get_pad_crop(sd, sd_state, + RKISP1_RSZ_PAD_SINK); break; + default: ret = -EINVAL; + break; } - mutex_unlock(&rsz->ops_lock); return ret; } @@ -661,9 +610,7 @@ static int rkisp1_rsz_set_selection(struct v4l2_subdev *sd, dev_dbg(rsz->rkisp1->dev, "%s: pad: %d sel(%d,%d)/%dx%d\n", __func__, sel->pad, sel->r.left, sel->r.top, sel->r.width, sel->r.height); - mutex_lock(&rsz->ops_lock); - rkisp1_rsz_set_sink_crop(rsz, sd_state, &sel->r, sel->which); - mutex_unlock(&rsz->ops_lock); + rkisp1_rsz_set_sink_crop(rsz, sd_state, &sel->r); return 0; } @@ -677,7 +624,7 @@ static const struct v4l2_subdev_pad_ops rkisp1_rsz_pad_ops = { .get_selection = rkisp1_rsz_get_selection, .set_selection = rkisp1_rsz_set_selection, .init_cfg = rkisp1_rsz_init_config, - .get_fmt = rkisp1_rsz_get_fmt, + .get_fmt = v4l2_subdev_get_fmt, .set_fmt = rkisp1_rsz_set_fmt, .link_validate = v4l2_subdev_link_validate_default, }; @@ -693,6 +640,7 @@ static int rkisp1_rsz_s_stream(struct v4l2_subdev *sd, int enable) struct rkisp1_device *rkisp1 = rsz->rkisp1; struct rkisp1_capture *other = &rkisp1->capture_devs[rsz->id ^ 1]; enum rkisp1_shadow_regs_when when = RKISP1_SHADOW_REGS_SYNC; + struct v4l2_subdev_state *sd_state; if (!enable) { rkisp1_dcrop_disable(rsz, RKISP1_SHADOW_REGS_ASYNC); @@ -703,11 +651,13 @@ static int rkisp1_rsz_s_stream(struct v4l2_subdev *sd, int enable) if (other->is_streaming) when = RKISP1_SHADOW_REGS_ASYNC; - mutex_lock(&rsz->ops_lock); - rkisp1_rsz_config(rsz, when); - rkisp1_dcrop_config(rsz); + sd_state = v4l2_subdev_lock_and_get_active_state(sd); + + rkisp1_rsz_config(rsz, sd_state, when); + rkisp1_dcrop_config(rsz, sd_state); + + v4l2_subdev_unlock_state(sd_state); - mutex_unlock(&rsz->ops_lock); return 0; } @@ -726,15 +676,12 @@ static void rkisp1_rsz_unregister(struct rkisp1_resizer *rsz) return; v4l2_device_unregister_subdev(&rsz->sd); + v4l2_subdev_cleanup(&rsz->sd); media_entity_cleanup(&rsz->sd.entity); - mutex_destroy(&rsz->ops_lock); } static int rkisp1_rsz_register(struct rkisp1_resizer *rsz) { - struct v4l2_subdev_state state = { - .pads = rsz->pad_cfg, - }; static const char * const dev_names[] = { RKISP1_RSZ_MP_DEV_NAME, RKISP1_RSZ_SP_DEV_NAME @@ -763,25 +710,26 @@ static int rkisp1_rsz_register(struct rkisp1_resizer *rsz) pads[RKISP1_RSZ_PAD_SRC].flags = MEDIA_PAD_FL_SOURCE | MEDIA_PAD_FL_MUST_CONNECT; - rsz->pixel_enc = RKISP1_DEF_PIXEL_ENC; - - mutex_init(&rsz->ops_lock); ret = media_entity_pads_init(&sd->entity, RKISP1_RSZ_PAD_MAX, pads); if (ret) - goto error; + goto err_entity_cleanup; + + ret = v4l2_subdev_init_finalize(sd); + if (ret) + goto err_entity_cleanup; ret = v4l2_device_register_subdev(&rsz->rkisp1->v4l2_dev, sd); if (ret) { dev_err(sd->dev, "Failed to register resizer subdev\n"); - goto error; + goto err_subdev_cleanup; } - rkisp1_rsz_init_config(sd, &state); return 0; -error: +err_subdev_cleanup: + v4l2_subdev_cleanup(sd); +err_entity_cleanup: media_entity_cleanup(&sd->entity); - mutex_destroy(&rsz->ops_lock); return ret; }

[v2,02/14] media: rkisp1: resizer: Use V4L2 subdev active state

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