diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/atomisp2/atomisp_tpg.c')
| -rw-r--r-- | drivers/staging/media/atomisp/pci/atomisp2/atomisp_tpg.c | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_tpg.c b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_tpg.c new file mode 100644 index 0000000..996d1bd --- /dev/null +++ b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_tpg.c @@ -0,0 +1,181 @@ +/* + * Support for Medifield PNW Camera Imaging ISP subsystem. + * + * Copyright (c) 2010 Intel Corporation. All Rights Reserved. + * + * Copyright (c) 2010 Silicon Hive www.siliconhive.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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + * + */ + +#include <media/v4l2-event.h> +#include <media/v4l2-mediabus.h> +#include "atomisp_internal.h" +#include "atomisp_tpg.h" + +static int tpg_s_stream(struct v4l2_subdev *sd, int enable) +{ + return 0; +} + +static int tpg_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *param) +{ + /*to fake*/ + return 0; +} + +static int tpg_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *param) +{ + /*to fake*/ + return 0; +} + +static int tpg_get_fmt(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_format *format) +{ + /*to fake*/ + return 0; +} + +static int tpg_set_fmt(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_format *format) +{ + struct v4l2_mbus_framefmt *fmt = &format->format; + if (format->pad) + return -EINVAL; + /* only raw8 grbg is supported by TPG */ + fmt->code = MEDIA_BUS_FMT_SGRBG8_1X8; + if (format->which == V4L2_SUBDEV_FORMAT_TRY) { + cfg->try_fmt = *fmt; + return 0; + } + return 0; +} + +static int tpg_log_status(struct v4l2_subdev *sd) +{ + /*to fake*/ + return 0; +} + +static int tpg_s_power(struct v4l2_subdev *sd, int on) +{ + return 0; +} + +static int tpg_enum_mbus_code(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_mbus_code_enum *code) +{ + /*to fake*/ + return 0; +} + +static int tpg_enum_frame_size(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_frame_size_enum *fse) +{ + /*to fake*/ + return 0; +} + +static int tpg_enum_frame_ival(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_frame_interval_enum *fie) +{ + /*to fake*/ + return 0; +} + +static const struct v4l2_subdev_video_ops tpg_video_ops = { + .s_stream = tpg_s_stream, + .g_parm = tpg_g_parm, + .s_parm = tpg_s_parm, +}; + +static const struct v4l2_subdev_core_ops tpg_core_ops = { + .log_status = tpg_log_status, + .s_power = tpg_s_power, +}; + +static const struct v4l2_subdev_pad_ops tpg_pad_ops = { + .enum_mbus_code = tpg_enum_mbus_code, + .enum_frame_size = tpg_enum_frame_size, + .enum_frame_interval = tpg_enum_frame_ival, + .get_fmt = tpg_get_fmt, + .set_fmt = tpg_set_fmt, +}; + +static const struct v4l2_subdev_ops tpg_ops = { + .core = &tpg_core_ops, + .video = &tpg_video_ops, + .pad = &tpg_pad_ops, +}; + +void atomisp_tpg_unregister_entities(struct atomisp_tpg_device *tpg) +{ + media_entity_cleanup(&tpg->sd.entity); + v4l2_device_unregister_subdev(&tpg->sd); +} + +int atomisp_tpg_register_entities(struct atomisp_tpg_device *tpg, + struct v4l2_device *vdev) +{ + int ret; + /* Register the subdev and video nodes. */ + ret = v4l2_device_register_subdev(vdev, &tpg->sd); + if (ret < 0) + goto error; + + return 0; + +error: + atomisp_tpg_unregister_entities(tpg); + return ret; +} + +void atomisp_tpg_cleanup(struct atomisp_device *isp) +{ + +} + +int atomisp_tpg_init(struct atomisp_device *isp) +{ + struct atomisp_tpg_device *tpg = &isp->tpg; + struct v4l2_subdev *sd = &tpg->sd; + struct media_pad *pads = tpg->pads; + struct media_entity *me = &sd->entity; + int ret; + + tpg->isp = isp; + v4l2_subdev_init(sd, &tpg_ops); + sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; + strcpy(sd->name, "tpg_subdev"); + v4l2_set_subdevdata(sd, tpg); + + pads[0].flags = MEDIA_PAD_FL_SINK; + me->function = MEDIA_ENT_F_V4L2_SUBDEV_UNKNOWN; + + ret = media_entity_pads_init(me, 1, pads); + if (ret < 0) + goto fail; + return 0; +fail: + atomisp_tpg_cleanup(isp); + return ret; +} |
