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Tue, 10 Sep 2024 10:06:28 -0700 (PDT) Received: from prasmi.home ([2a00:23c8:2500:a01:94a6:1e64:e5a2:2b2a]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-378956de4b9sm9438925f8f.111.2024.09.10.10.06.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Sep 2024 10:06:27 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Sakari Ailus , Laurent Pinchart , Kieran Bingham , Tomi Valkeinen , Jacopo Mondi , Mauro Carvalho Chehab , Hans Verkuil Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar Subject: [PATCH v2 09/11] media: i2c: ov5645: Add internal image sink pad Date: Tue, 10 Sep 2024 18:06:08 +0100 Message-Id: <20240910170610.226189-10-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240910170610.226189-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20240910170610.226189-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-LSpam-Score: -5.3 (-----) X-LSpam-Report: No, score=-5.3 required=5.0 tests=ARC_SIGNED=0.001,ARC_VALID=-0.1,BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,DMARC_PASS=-0.001,FREEMAIL_FORGED_FROMDOMAIN=1,FREEMAIL_FROM=0.001,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,RCVD_IN_VALIDITY_CERTIFIED=-3,RCVD_IN_VALIDITY_RPBL=1.31,RCVD_IN_VALIDITY_SAFE=-2,SPF_HELO_NONE=0.001,SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no From: Lad Prabhakar Use the newly added internal pad API to expose the internal configuration of the sensor to userspace in a standard manner. Signed-off-by: Lad Prabhakar --- drivers/media/i2c/ov5645.c | 107 +++++++++++++++++++++++++++---------- 1 file changed, 79 insertions(+), 28 deletions(-) diff --git a/drivers/media/i2c/ov5645.c b/drivers/media/i2c/ov5645.c index dc93514608ee..255c6395a268 100644 --- a/drivers/media/i2c/ov5645.c +++ b/drivers/media/i2c/ov5645.c @@ -60,6 +60,10 @@ #define OV5645_SDE_SAT_U 0x5583 #define OV5645_SDE_SAT_V 0x5584 +#define OV5645_NATIVE_FORMAT MEDIA_BUS_FMT_SBGGR8_1X8 +#define OV5645_NATIVE_WIDTH 2592 +#define OV5645_NATIVE_HEIGHT 1944 + /* regulator supplies */ static const char * const ov5645_supply_name[] = { "vdddo", /* Digital I/O (1.8V) supply */ @@ -69,6 +73,12 @@ static const char * const ov5645_supply_name[] = { #define OV5645_NUM_SUPPLIES ARRAY_SIZE(ov5645_supply_name) +enum ov5645_pad_ids { + OV5645_PAD_SOURCE, + OV5645_PAD_IMAGE, + OV5645_NUM_PADS, +}; + struct reg_value { u16 reg; u8 val; @@ -87,7 +97,7 @@ struct ov5645 { struct i2c_client *i2c_client; struct device *dev; struct v4l2_subdev sd; - struct media_pad pad; + struct media_pad pads[OV5645_NUM_PADS]; struct v4l2_fwnode_endpoint ep; struct v4l2_rect crop; struct clk *xclk; @@ -826,7 +836,10 @@ static int ov5645_enum_mbus_code(struct v4l2_subdev *sd, if (code->index > 0) return -EINVAL; - code->code = MEDIA_BUS_FMT_UYVY8_1X16; + if (code->pad == OV5645_PAD_IMAGE) + code->code = OV5645_NATIVE_FORMAT; + else + code->code = MEDIA_BUS_FMT_UYVY8_1X16; return 0; } @@ -835,16 +848,24 @@ static int ov5645_enum_frame_size(struct v4l2_subdev *subdev, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_size_enum *fse) { - if (fse->code != MEDIA_BUS_FMT_UYVY8_1X16) - return -EINVAL; - - if (fse->index >= ARRAY_SIZE(ov5645_mode_info_data)) - return -EINVAL; - - fse->min_width = ov5645_mode_info_data[fse->index].width; - fse->max_width = ov5645_mode_info_data[fse->index].width; - fse->min_height = ov5645_mode_info_data[fse->index].height; - fse->max_height = ov5645_mode_info_data[fse->index].height; + if (fse->pad == OV5645_PAD_IMAGE) { + if (fse->code != OV5645_NATIVE_FORMAT || fse->index > 0) + return -EINVAL; + + fse->min_width = OV5645_NATIVE_WIDTH; + fse->max_width = OV5645_NATIVE_WIDTH; + fse->min_height = OV5645_NATIVE_HEIGHT; + fse->max_height = OV5645_NATIVE_HEIGHT; + } else { + if (fse->code != MEDIA_BUS_FMT_UYVY8_1X16 || + fse->index >= ARRAY_SIZE(ov5645_mode_info_data)) + return -EINVAL; + + fse->min_width = ov5645_mode_info_data[fse->index].width; + fse->max_width = ov5645_mode_info_data[fse->index].width; + fse->min_height = ov5645_mode_info_data[fse->index].height; + fse->max_height = ov5645_mode_info_data[fse->index].height; + } return 0; } @@ -855,18 +876,55 @@ static int ov5645_set_format(struct v4l2_subdev *sd, { struct ov5645 *ov5645 = to_ov5645(sd); struct v4l2_mbus_framefmt *__format; + struct v4l2_rect *compose; struct v4l2_rect *__crop; const struct ov5645_mode_info *new_mode; int ret; - __crop = v4l2_subdev_state_get_crop(sd_state, 0); + if (format->pad != OV5645_PAD_SOURCE) + return v4l2_subdev_get_fmt(sd, sd_state, format); + new_mode = v4l2_find_nearest_size(ov5645_mode_info_data, ARRAY_SIZE(ov5645_mode_info_data), width, height, format->format.width, format->format.height); - - __crop->width = new_mode->width; - __crop->height = new_mode->height; + format->format.code = MEDIA_BUS_FMT_UYVY8_1X16; + format->format.width = new_mode->width; + format->format.height = new_mode->height; + format->format.field = V4L2_FIELD_NONE; + format->format.colorspace = V4L2_COLORSPACE_SRGB; + format->format.ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT; + format->format.quantization = V4L2_QUANTIZATION_DEFAULT; + format->format.xfer_func = V4L2_XFER_FUNC_DEFAULT; + + __format = v4l2_subdev_state_get_format(sd_state, OV5645_PAD_IMAGE); + *__format = format->format; + __format->code = OV5645_NATIVE_FORMAT; + __format->width = OV5645_NATIVE_WIDTH; + __format->height = OV5645_NATIVE_HEIGHT; + + __crop = v4l2_subdev_state_get_crop(sd_state, OV5645_PAD_IMAGE); + __crop->width = format->format.width; + __crop->height = format->format.height; + + /* + * The compose rectangle models binning, its size is the sensor output + * size. + */ + compose = v4l2_subdev_state_get_compose(sd_state, OV5645_PAD_IMAGE); + compose->left = 0; + compose->top = 0; + compose->width = format->format.width; + compose->height = format->format.height; + + __crop = v4l2_subdev_state_get_crop(sd_state, OV5645_PAD_SOURCE); + __crop->left = 0; + __crop->top = 0; + __crop->width = format->format.width; + __crop->height = format->format.height; + + __format = v4l2_subdev_state_get_format(sd_state, OV5645_PAD_SOURCE); + *__format = format->format; if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) { ret = __v4l2_ctrl_s_ctrl_int64(ov5645->pixel_clock, @@ -882,14 +940,6 @@ static int ov5645_set_format(struct v4l2_subdev *sd, ov5645->current_mode = new_mode; } - __format = v4l2_subdev_state_get_format(sd_state, 0); - __format->width = __crop->width; - __format->height = __crop->height; - __format->code = MEDIA_BUS_FMT_UYVY8_1X16; - __format->field = V4L2_FIELD_NONE; - __format->colorspace = V4L2_COLORSPACE_SRGB; - - format->format = *__format; return 0; } @@ -899,7 +949,7 @@ static int ov5645_init_state(struct v4l2_subdev *subdev, { struct v4l2_subdev_format fmt = { .which = V4L2_SUBDEV_FORMAT_TRY, - .pad = 0, + .pad = OV5645_PAD_SOURCE, .format = { .code = MEDIA_BUS_FMT_UYVY8_1X16, .width = ov5645_mode_info_data[1].width, @@ -919,7 +969,7 @@ static int ov5645_get_selection(struct v4l2_subdev *sd, if (sel->target != V4L2_SEL_TGT_CROP) return -EINVAL; - sel->r = *v4l2_subdev_state_get_crop(sd_state, 0); + sel->r = *v4l2_subdev_state_get_crop(sd_state, sel->pad); return 0; } @@ -1123,11 +1173,12 @@ static int ov5645_probe(struct i2c_client *client) v4l2_i2c_subdev_init(&ov5645->sd, client, &ov5645_subdev_ops); ov5645->sd.internal_ops = &ov5645_internal_ops; ov5645->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS; - ov5645->pad.flags = MEDIA_PAD_FL_SOURCE; + ov5645->pads[OV5645_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE; + ov5645->pads[OV5645_PAD_IMAGE].flags = MEDIA_PAD_FL_SINK | MEDIA_PAD_FL_INTERNAL; ov5645->sd.dev = dev; ov5645->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; - ret = media_entity_pads_init(&ov5645->sd.entity, 1, &ov5645->pad); + ret = media_entity_pads_init(&ov5645->sd.entity, ARRAY_SIZE(ov5645->pads), ov5645->pads); if (ret < 0) { dev_err_probe(dev, ret, "could not register media entity\n"); goto free_ctrl;