diff options
Diffstat (limited to 'drivers/media/v4l2-core')
| -rw-r--r-- | drivers/media/v4l2-core/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-common.c | 32 | ||||
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-ctrls.c | 126 | ||||
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-dev.c | 2 | ||||
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-fwnode.c | 10 | ||||
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-ioctl.c | 27 | ||||
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-mem2mem.c | 29 | ||||
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-subdev.c | 268 | ||||
| -rw-r--r-- | drivers/media/v4l2-core/videobuf-dma-contig.c | 4 | ||||
| -rw-r--r-- | drivers/media/v4l2-core/videobuf-vmalloc.c | 2 |
10 files changed, 375 insertions, 127 deletions
diff --git a/drivers/media/v4l2-core/Kconfig b/drivers/media/v4l2-core/Kconfig index 8b9d4b3ec10e..7c5f62f196e5 100644 --- a/drivers/media/v4l2-core/Kconfig +++ b/drivers/media/v4l2-core/Kconfig @@ -13,7 +13,6 @@ config VIDEO_V4L2 config VIDEO_ADV_DEBUG bool "Enable advanced debug functionality on V4L2 drivers" - default n help Say Y here to enable advanced debugging functionality on some V4L devices. @@ -21,7 +20,6 @@ config VIDEO_ADV_DEBUG config VIDEO_FIXED_MINOR_RANGES bool "Enable old-style fixed minor ranges on drivers/video devices" - default n help Say Y here to enable the old-style fixed-range minor assignments. Only useful if you rely on the old behavior and use mknod instead of udev. diff --git a/drivers/media/v4l2-core/v4l2-common.c b/drivers/media/v4l2-core/v4l2-common.c index c9efb2de710d..f8ad1c580a3e 100644 --- a/drivers/media/v4l2-core/v4l2-common.c +++ b/drivers/media/v4l2-core/v4l2-common.c @@ -321,6 +321,16 @@ static unsigned int clamp_align(unsigned int x, unsigned int min, return x; } +static unsigned int clamp_roundup(unsigned int x, unsigned int min, + unsigned int max, unsigned int alignment) +{ + x = clamp(x, min, max); + if (alignment) + x = round_up(x, alignment); + + return x; +} + void v4l_bound_align_image(u32 *w, unsigned int wmin, unsigned int wmax, unsigned int walign, u32 *h, unsigned int hmin, unsigned int hmax, @@ -531,8 +541,25 @@ static inline unsigned int v4l2_format_block_height(const struct v4l2_format_inf return info->block_h[plane]; } +void v4l2_apply_frmsize_constraints(u32 *width, u32 *height, + const struct v4l2_frmsize_stepwise *frmsize) +{ + if (!frmsize) + return; + + /* + * Clamp width/height to meet min/max constraints and round it up to + * macroblock alignment. + */ + *width = clamp_roundup(*width, frmsize->min_width, frmsize->max_width, + frmsize->step_width); + *height = clamp_roundup(*height, frmsize->min_height, frmsize->max_height, + frmsize->step_height); +} +EXPORT_SYMBOL_GPL(v4l2_apply_frmsize_constraints); + int v4l2_fill_pixfmt_mp(struct v4l2_pix_format_mplane *pixfmt, - int pixelformat, int width, int height) + u32 pixelformat, u32 width, u32 height) { const struct v4l2_format_info *info; struct v4l2_plane_pix_format *plane; @@ -586,7 +613,8 @@ int v4l2_fill_pixfmt_mp(struct v4l2_pix_format_mplane *pixfmt, } EXPORT_SYMBOL_GPL(v4l2_fill_pixfmt_mp); -int v4l2_fill_pixfmt(struct v4l2_pix_format *pixfmt, int pixelformat, int width, int height) +int v4l2_fill_pixfmt(struct v4l2_pix_format *pixfmt, u32 pixelformat, + u32 width, u32 height) { const struct v4l2_format_info *info; int i; diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c index 7d3a33258748..371537dd8cd3 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls.c +++ b/drivers/media/v4l2-core/v4l2-ctrls.c @@ -394,6 +394,21 @@ const char * const *v4l2_ctrl_get_menu(u32 id) "Explicit", NULL, }; + static const char * const mpeg_mpeg2_level[] = { + "Low", + "Main", + "High 1440", + "High", + NULL, + }; + static const char * const mpeg2_profile[] = { + "Simple", + "Main", + "SNR Scalable", + "Spatially Scalable", + "High", + NULL, + }; static const char * const mpeg_mpeg4_level[] = { "0", "0b", @@ -610,6 +625,10 @@ const char * const *v4l2_ctrl_get_menu(u32 id) return h264_fp_arrangement_type; case V4L2_CID_MPEG_VIDEO_H264_FMO_MAP_TYPE: return h264_fmo_map_type; + case V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL: + return mpeg_mpeg2_level; + case V4L2_CID_MPEG_VIDEO_MPEG2_PROFILE: + return mpeg2_profile; case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL: return mpeg_mpeg4_level; case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE: @@ -820,6 +839,13 @@ const char *v4l2_ctrl_get_name(u32 id) case V4L2_CID_MPEG_VIDEO_H264_I_FRAME_MAX_QP: return "H264 I-Frame Maximum QP Value"; case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_MIN_QP: return "H264 P-Frame Minimum QP Value"; case V4L2_CID_MPEG_VIDEO_H264_P_FRAME_MAX_QP: return "H264 P-Frame Maximum QP Value"; + case V4L2_CID_MPEG_VIDEO_H264_SPS: return "H264 Sequence Parameter Set"; + case V4L2_CID_MPEG_VIDEO_H264_PPS: return "H264 Picture Parameter Set"; + case V4L2_CID_MPEG_VIDEO_H264_SCALING_MATRIX: return "H264 Scaling Matrix"; + case V4L2_CID_MPEG_VIDEO_H264_SLICE_PARAMS: return "H264 Slice Parameters"; + case V4L2_CID_MPEG_VIDEO_H264_DECODE_PARAMS: return "H264 Decode Parameters"; + case V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL: return "MPEG2 Level"; + case V4L2_CID_MPEG_VIDEO_MPEG2_PROFILE: return "MPEG2 Profile"; case V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP: return "MPEG4 I-Frame QP Value"; case V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP: return "MPEG4 P-Frame QP Value"; case V4L2_CID_MPEG_VIDEO_MPEG4_B_FRAME_QP: return "MPEG4 B-Frame QP Value"; @@ -1145,6 +1171,7 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, case V4L2_CID_FLASH_STROBE_STOP: case V4L2_CID_AUTO_FOCUS_START: case V4L2_CID_AUTO_FOCUS_STOP: + case V4L2_CID_DO_WHITE_BALANCE: *type = V4L2_CTRL_TYPE_BUTTON; *flags |= V4L2_CTRL_FLAG_WRITE_ONLY | V4L2_CTRL_FLAG_EXECUTE_ON_WRITE; @@ -1184,6 +1211,8 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, case V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_IDC: case V4L2_CID_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE: case V4L2_CID_MPEG_VIDEO_H264_FMO_MAP_TYPE: + case V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL: + case V4L2_CID_MPEG_VIDEO_MPEG2_PROFILE: case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL: case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE: case V4L2_CID_JPEG_CHROMA_SUBSAMPLING: @@ -1301,6 +1330,21 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, case V4L2_CID_MPEG_VIDEO_FWHT_PARAMS: *type = V4L2_CTRL_TYPE_FWHT_PARAMS; break; + case V4L2_CID_MPEG_VIDEO_H264_SPS: + *type = V4L2_CTRL_TYPE_H264_SPS; + break; + case V4L2_CID_MPEG_VIDEO_H264_PPS: + *type = V4L2_CTRL_TYPE_H264_PPS; + break; + case V4L2_CID_MPEG_VIDEO_H264_SCALING_MATRIX: + *type = V4L2_CTRL_TYPE_H264_SCALING_MATRIX; + break; + case V4L2_CID_MPEG_VIDEO_H264_SLICE_PARAMS: + *type = V4L2_CTRL_TYPE_H264_SLICE_PARAMS; + break; + case V4L2_CID_MPEG_VIDEO_H264_DECODE_PARAMS: + *type = V4L2_CTRL_TYPE_H264_DECODE_PARAMS; + break; default: *type = V4L2_CTRL_TYPE_INTEGER; break; @@ -1450,6 +1494,32 @@ static bool std_equal(const struct v4l2_ctrl *ctrl, u32 idx, } } +static void std_init_compound(const struct v4l2_ctrl *ctrl, u32 idx, + union v4l2_ctrl_ptr ptr) +{ + struct v4l2_ctrl_mpeg2_slice_params *p_mpeg2_slice_params; + void *p = ptr.p + idx * ctrl->elem_size; + + memset(p, 0, ctrl->elem_size); + + /* + * The cast is needed to get rid of a gcc warning complaining that + * V4L2_CTRL_TYPE_MPEG2_SLICE_PARAMS is not part of the + * v4l2_ctrl_type enum. + */ + switch ((u32)ctrl->type) { + case V4L2_CTRL_TYPE_MPEG2_SLICE_PARAMS: + p_mpeg2_slice_params = p; + /* 4:2:0 */ + p_mpeg2_slice_params->sequence.chroma_format = 1; + /* interlaced top field */ + p_mpeg2_slice_params->picture.picture_structure = 1; + p_mpeg2_slice_params->picture.picture_coding_type = + V4L2_MPEG2_PICTURE_CODING_TYPE_I; + break; + } +} + static void std_init(const struct v4l2_ctrl *ctrl, u32 idx, union v4l2_ctrl_ptr ptr) { @@ -1469,6 +1539,10 @@ static void std_init(const struct v4l2_ctrl *ctrl, u32 idx, case V4L2_CTRL_TYPE_BOOLEAN: ptr.p_s32[idx] = ctrl->default_value; break; + case V4L2_CTRL_TYPE_BUTTON: + case V4L2_CTRL_TYPE_CTRL_CLASS: + ptr.p_s32[idx] = 0; + break; case V4L2_CTRL_TYPE_U8: ptr.p_u8[idx] = ctrl->default_value; break; @@ -1479,8 +1553,7 @@ static void std_init(const struct v4l2_ctrl *ctrl, u32 idx, ptr.p_u32[idx] = ctrl->default_value; break; default: - idx *= ctrl->elem_size; - memset(ptr.p + idx, 0, ctrl->elem_size); + std_init_compound(ctrl, idx, ptr); break; } } @@ -1670,6 +1743,13 @@ static int std_validate(const struct v4l2_ctrl *ctrl, u32 idx, case V4L2_CTRL_TYPE_FWHT_PARAMS: return 0; + case V4L2_CTRL_TYPE_H264_SPS: + case V4L2_CTRL_TYPE_H264_PPS: + case V4L2_CTRL_TYPE_H264_SCALING_MATRIX: + case V4L2_CTRL_TYPE_H264_SLICE_PARAMS: + case V4L2_CTRL_TYPE_H264_DECODE_PARAMS: + return 0; + default: return -EINVAL; } @@ -2149,15 +2229,6 @@ static int handler_new_ref(struct v4l2_ctrl_handler *hdl, if (size_extra_req) new_ref->p_req.p = &new_ref[1]; - if (ctrl->handler == hdl) { - /* By default each control starts in a cluster of its own. - new_ref->ctrl is basically a cluster array with one - element, so that's perfect to use as the cluster pointer. - But only do this for the handler that owns the control. */ - ctrl->cluster = &new_ref->ctrl; - ctrl->ncontrols = 1; - } - INIT_LIST_HEAD(&new_ref->node); mutex_lock(hdl->lock); @@ -2190,6 +2261,15 @@ insert_in_hash: hdl->buckets[bucket] = new_ref; if (ctrl_ref) *ctrl_ref = new_ref; + if (ctrl->handler == hdl) { + /* By default each control starts in a cluster of its own. + * new_ref->ctrl is basically a cluster array with one + * element, so that's perfect to use as the cluster pointer. + * But only do this for the handler that owns the control. + */ + ctrl->cluster = &new_ref->ctrl; + ctrl->ncontrols = 1; + } unlock: mutex_unlock(hdl->lock); @@ -2253,6 +2333,21 @@ static struct v4l2_ctrl *v4l2_ctrl_new(struct v4l2_ctrl_handler *hdl, case V4L2_CTRL_TYPE_FWHT_PARAMS: elem_size = sizeof(struct v4l2_ctrl_fwht_params); break; + case V4L2_CTRL_TYPE_H264_SPS: + elem_size = sizeof(struct v4l2_ctrl_h264_sps); + break; + case V4L2_CTRL_TYPE_H264_PPS: + elem_size = sizeof(struct v4l2_ctrl_h264_pps); + break; + case V4L2_CTRL_TYPE_H264_SCALING_MATRIX: + elem_size = sizeof(struct v4l2_ctrl_h264_scaling_matrix); + break; + case V4L2_CTRL_TYPE_H264_SLICE_PARAMS: + elem_size = sizeof(struct v4l2_ctrl_h264_slice_params); + break; + case V4L2_CTRL_TYPE_H264_DECODE_PARAMS: + elem_size = sizeof(struct v4l2_ctrl_h264_decode_params); + break; default: if (type < V4L2_CTRL_COMPOUND_TYPES) elem_size = sizeof(s32); @@ -2369,16 +2464,15 @@ struct v4l2_ctrl *v4l2_ctrl_new_custom(struct v4l2_ctrl_handler *hdl, v4l2_ctrl_fill(cfg->id, &name, &type, &min, &max, &step, &def, &flags); - is_menu = (cfg->type == V4L2_CTRL_TYPE_MENU || - cfg->type == V4L2_CTRL_TYPE_INTEGER_MENU); + is_menu = (type == V4L2_CTRL_TYPE_MENU || + type == V4L2_CTRL_TYPE_INTEGER_MENU); if (is_menu) WARN_ON(step); else WARN_ON(cfg->menu_skip_mask); - if (cfg->type == V4L2_CTRL_TYPE_MENU && qmenu == NULL) + if (type == V4L2_CTRL_TYPE_MENU && !qmenu) { qmenu = v4l2_ctrl_get_menu(cfg->id); - else if (cfg->type == V4L2_CTRL_TYPE_INTEGER_MENU && - qmenu_int == NULL) { + } else if (type == V4L2_CTRL_TYPE_INTEGER_MENU && !qmenu_int) { handler_set_err(hdl, -EINVAL); return NULL; } diff --git a/drivers/media/v4l2-core/v4l2-dev.c b/drivers/media/v4l2-core/v4l2-dev.c index 414636dedffd..cbb74f748555 100644 --- a/drivers/media/v4l2-core/v4l2-dev.c +++ b/drivers/media/v4l2-core/v4l2-dev.c @@ -589,11 +589,9 @@ static void determine_valid_ioctls(struct video_device *vdev) if (is_vid || is_tch) { /* video and metadata specific ioctls */ if ((is_rx && (ops->vidioc_enum_fmt_vid_cap || - ops->vidioc_enum_fmt_vid_cap_mplane || ops->vidioc_enum_fmt_vid_overlay || ops->vidioc_enum_fmt_meta_cap)) || (is_tx && (ops->vidioc_enum_fmt_vid_out || - ops->vidioc_enum_fmt_vid_out_mplane || ops->vidioc_enum_fmt_meta_out))) set_bit(_IOC_NR(VIDIOC_ENUM_FMT), valid_ioctls); if ((is_rx && (ops->vidioc_g_fmt_vid_cap || diff --git a/drivers/media/v4l2-core/v4l2-fwnode.c b/drivers/media/v4l2-core/v4l2-fwnode.c index c2d980ab3af7..7e740d332a54 100644 --- a/drivers/media/v4l2-core/v4l2-fwnode.c +++ b/drivers/media/v4l2-core/v4l2-fwnode.c @@ -209,10 +209,10 @@ static int v4l2_fwnode_endpoint_parse_csi2_bus(struct fwnode_handle *fwnode, have_clk_lane = true; } - if (lanes_used & BIT(clock_lane)) { - if (have_clk_lane || !use_default_lane_mapping) - pr_warn("duplicated lane %u in clock-lanes, using defaults\n", - v); + if (have_clk_lane && lanes_used & BIT(clock_lane) && + !use_default_lane_mapping) { + pr_warn("duplicated lane %u in clock-lanes, using defaults\n", + v); use_default_lane_mapping = true; } @@ -1095,7 +1095,7 @@ v4l2_fwnode_reference_parse_int_props(struct device *dev, } } - return PTR_ERR(fwnode) == -ENOENT ? 0 : PTR_ERR(fwnode); + return !fwnode || PTR_ERR(fwnode) == -ENOENT ? 0 : PTR_ERR(fwnode); error: fwnode_handle_put(fwnode); diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 6859bdac86fe..b1f4b991dba6 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -1321,6 +1321,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) case V4L2_PIX_FMT_H264: descr = "H.264"; break; case V4L2_PIX_FMT_H264_NO_SC: descr = "H.264 (No Start Codes)"; break; case V4L2_PIX_FMT_H264_MVC: descr = "H.264 MVC"; break; + case V4L2_PIX_FMT_H264_SLICE_RAW: descr = "H.264 Parsed Slice Data"; break; case V4L2_PIX_FMT_H263: descr = "H.263"; break; case V4L2_PIX_FMT_MPEG1: descr = "MPEG-1 ES"; break; case V4L2_PIX_FMT_MPEG2: descr = "MPEG-2 ES"; break; @@ -1377,8 +1378,10 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) static int v4l_enum_fmt(const struct v4l2_ioctl_ops *ops, struct file *file, void *fh, void *arg) { + struct video_device *vdev = video_devdata(file); struct v4l2_fmtdesc *p = arg; int ret = check_fmt(file, p->type); + u32 cap_mask; if (ret) return ret; @@ -1386,30 +1389,34 @@ static int v4l_enum_fmt(const struct v4l2_ioctl_ops *ops, switch (p->type) { case V4L2_BUF_TYPE_VIDEO_CAPTURE: + case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: + cap_mask = V4L2_CAP_VIDEO_CAPTURE_MPLANE | + V4L2_CAP_VIDEO_M2M_MPLANE; + if (!!(vdev->device_caps & cap_mask) != + (p->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)) + break; + if (unlikely(!ops->vidioc_enum_fmt_vid_cap)) break; ret = ops->vidioc_enum_fmt_vid_cap(file, fh, arg); break; - case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: - if (unlikely(!ops->vidioc_enum_fmt_vid_cap_mplane)) - break; - ret = ops->vidioc_enum_fmt_vid_cap_mplane(file, fh, arg); - break; case V4L2_BUF_TYPE_VIDEO_OVERLAY: if (unlikely(!ops->vidioc_enum_fmt_vid_overlay)) break; ret = ops->vidioc_enum_fmt_vid_overlay(file, fh, arg); break; case V4L2_BUF_TYPE_VIDEO_OUTPUT: + case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: + cap_mask = V4L2_CAP_VIDEO_OUTPUT_MPLANE | + V4L2_CAP_VIDEO_M2M_MPLANE; + if (!!(vdev->device_caps & cap_mask) != + (p->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)) + break; + if (unlikely(!ops->vidioc_enum_fmt_vid_out)) break; ret = ops->vidioc_enum_fmt_vid_out(file, fh, arg); break; - case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: - if (unlikely(!ops->vidioc_enum_fmt_vid_out_mplane)) - break; - ret = ops->vidioc_enum_fmt_vid_out_mplane(file, fh, arg); - break; case V4L2_BUF_TYPE_SDR_CAPTURE: if (unlikely(!ops->vidioc_enum_fmt_sdr_cap)) break; diff --git a/drivers/media/v4l2-core/v4l2-mem2mem.c b/drivers/media/v4l2-core/v4l2-mem2mem.c index fd96df98c780..4f5176702937 100644 --- a/drivers/media/v4l2-core/v4l2-mem2mem.c +++ b/drivers/media/v4l2-core/v4l2-mem2mem.c @@ -1118,6 +1118,35 @@ int v4l2_m2m_ioctl_streamoff(struct file *file, void *priv, } EXPORT_SYMBOL_GPL(v4l2_m2m_ioctl_streamoff); +int v4l2_m2m_ioctl_try_encoder_cmd(struct file *file, void *fh, + struct v4l2_encoder_cmd *ec) +{ + if (ec->cmd != V4L2_ENC_CMD_STOP && ec->cmd != V4L2_ENC_CMD_START) + return -EINVAL; + + ec->flags = 0; + return 0; +} +EXPORT_SYMBOL_GPL(v4l2_m2m_ioctl_try_encoder_cmd); + +int v4l2_m2m_ioctl_try_decoder_cmd(struct file *file, void *fh, + struct v4l2_decoder_cmd *dc) +{ + if (dc->cmd != V4L2_DEC_CMD_STOP && dc->cmd != V4L2_DEC_CMD_START) + return -EINVAL; + + dc->flags = 0; + + if (dc->cmd == V4L2_DEC_CMD_STOP) { + dc->stop.pts = 0; + } else if (dc->cmd == V4L2_DEC_CMD_START) { + dc->start.speed = 0; + dc->start.format = V4L2_DEC_START_FMT_NONE; + } + return 0; +} +EXPORT_SYMBOL_GPL(v4l2_m2m_ioctl_try_decoder_cmd); + /* * v4l2_file_operations helpers. It is assumed here same lock is used * for the output and the capture buffer queue. diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c index f24978b80440..21fb90d66bfc 100644 --- a/drivers/media/v4l2-core/v4l2-subdev.c +++ b/drivers/media/v4l2-core/v4l2-subdev.c @@ -112,56 +112,217 @@ static int subdev_close(struct file *file) return 0; } -#if defined(CONFIG_VIDEO_V4L2_SUBDEV_API) -static int check_format(struct v4l2_subdev *sd, - struct v4l2_subdev_format *format) +static inline int check_which(__u32 which) { - if (format->which != V4L2_SUBDEV_FORMAT_TRY && - format->which != V4L2_SUBDEV_FORMAT_ACTIVE) + if (which != V4L2_SUBDEV_FORMAT_TRY && + which != V4L2_SUBDEV_FORMAT_ACTIVE) return -EINVAL; - if (format->pad >= sd->entity.num_pads) + return 0; +} + +static inline int check_pad(struct v4l2_subdev *sd, __u32 pad) +{ +#if defined(CONFIG_MEDIA_CONTROLLER) + if (sd->entity.graph_obj.mdev) { + if (pad >= sd->entity.num_pads) + return -EINVAL; + return 0; + } +#endif + /* allow pad 0 on subdevices not registered as media entities */ + if (pad > 0) + return -EINVAL; + return 0; +} + +static int check_cfg(__u32 which, struct v4l2_subdev_pad_config *cfg) +{ + if (which == V4L2_SUBDEV_FORMAT_TRY && !cfg) return -EINVAL; return 0; } -static int check_crop(struct v4l2_subdev *sd, struct v4l2_subdev_crop *crop) +static inline int check_format(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_format *format) { - if (crop->which != V4L2_SUBDEV_FORMAT_TRY && - crop->which != V4L2_SUBDEV_FORMAT_ACTIVE) + if (!format) return -EINVAL; - if (crop->pad >= sd->entity.num_pads) + return check_which(format->which) ? : check_pad(sd, format->pad) ? : + check_cfg(format->which, cfg); +} + +static int call_get_fmt(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_format *format) +{ + return check_format(sd, cfg, format) ? : + sd->ops->pad->get_fmt(sd, cfg, format); +} + +static int call_set_fmt(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_format *format) +{ + return check_format(sd, cfg, format) ? : + sd->ops->pad->set_fmt(sd, cfg, format); +} + +static int call_enum_mbus_code(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_mbus_code_enum *code) +{ + if (!code) return -EINVAL; - return 0; + return check_which(code->which) ? : check_pad(sd, code->pad) ? : + check_cfg(code->which, cfg) ? : + sd->ops->pad->enum_mbus_code(sd, cfg, code); } -static int check_selection(struct v4l2_subdev *sd, - struct v4l2_subdev_selection *sel) +static int call_enum_frame_size(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_frame_size_enum *fse) { - if (sel->which != V4L2_SUBDEV_FORMAT_TRY && - sel->which != V4L2_SUBDEV_FORMAT_ACTIVE) + if (!fse) return -EINVAL; - if (sel->pad >= sd->entity.num_pads) + return check_which(fse->which) ? : check_pad(sd, fse->pad) ? : + check_cfg(fse->which, cfg) ? : + sd->ops->pad->enum_frame_size(sd, cfg, fse); +} + +static inline int check_frame_interval(struct v4l2_subdev *sd, + struct v4l2_subdev_frame_interval *fi) +{ + if (!fi) return -EINVAL; - return 0; + return check_pad(sd, fi->pad); +} + +static int call_g_frame_interval(struct v4l2_subdev *sd, + struct v4l2_subdev_frame_interval *fi) +{ + return check_frame_interval(sd, fi) ? : + sd->ops->video->g_frame_interval(sd, fi); +} + +static int call_s_frame_interval(struct v4l2_subdev *sd, + struct v4l2_subdev_frame_interval *fi) +{ + return check_frame_interval(sd, fi) ? : + sd->ops->video->s_frame_interval(sd, fi); +} + +static int call_enum_frame_interval(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_frame_interval_enum *fie) +{ + if (!fie) + return -EINVAL; + + return check_which(fie->which) ? : check_pad(sd, fie->pad) ? : + check_cfg(fie->which, cfg) ? : + sd->ops->pad->enum_frame_interval(sd, cfg, fie); +} + +static inline int check_selection(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_selection *sel) +{ + if (!sel) + return -EINVAL; + + return check_which(sel->which) ? : check_pad(sd, sel->pad) ? : + check_cfg(sel->which, cfg); +} + +static int call_get_selection(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_selection *sel) +{ + return check_selection(sd, cfg, sel) ? : + sd->ops->pad->get_selection(sd, cfg, sel); +} + +static int call_set_selection(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_selection *sel) +{ + return check_selection(sd, cfg, sel) ? : + sd->ops->pad->set_selection(sd, cfg, sel); } -static int check_edid(struct v4l2_subdev *sd, struct v4l2_subdev_edid *edid) +static inline int check_edid(struct v4l2_subdev *sd, + struct v4l2_subdev_edid *edid) { - if (edid->pad >= sd->entity.num_pads) + if (!edid) return -EINVAL; if (edid->blocks && edid->edid == NULL) return -EINVAL; - return 0; + return check_pad(sd, edid->pad); +} + +static int call_get_edid(struct v4l2_subdev *sd, struct v4l2_subdev_edid *edid) +{ + return check_edid(sd, edid) ? : sd->ops->pad->get_edid(sd, edid); +} + +static int call_set_edid(struct v4l2_subdev *sd, struct v4l2_subdev_edid *edid) +{ + return check_edid(sd, edid) ? : sd->ops->pad->set_edid(sd, edid); +} + +static int call_dv_timings_cap(struct v4l2_subdev *sd, + struct v4l2_dv_timings_cap *cap) +{ + if (!cap) + return -EINVAL; + + return check_pad(sd, cap->pad) ? : + sd->ops->pad->dv_timings_cap(sd, cap); } -#endif + +static int call_enum_dv_timings(struct v4l2_subdev *sd, + struct v4l2_enum_dv_timings *dvt) +{ + if (!dvt) + return -EINVAL; + + return check_pad(sd, dvt->pad) ? : + sd->ops->pad->enum_dv_timings(sd, dvt); +} + +static const struct v4l2_subdev_pad_ops v4l2_subdev_call_pad_wrappers = { + .get_fmt = call_get_fmt, + .set_fmt = call_set_fmt, + .enum_mbus_code = call_enum_mbus_code, + .enum_frame_size = call_enum_frame_size, + .enum_frame_interval = call_enum_frame_interval, + .get_selection = call_get_selection, + .set_selection = call_set_selection, + .get_edid = call_get_edid, + .set_edid = call_set_edid, + .dv_timings_cap = call_dv_timings_cap, + .enum_dv_timings = call_enum_dv_timings, +}; + +static const struct v4l2_subdev_video_ops v4l2_subdev_call_video_wrappers = { + .g_frame_interval = call_g_frame_interval, + .s_frame_interval = call_s_frame_interval, +}; + +const struct v4l2_subdev_ops v4l2_subdev_call_wrappers = { + .pad = &v4l2_subdev_call_pad_wrappers, + .video = &v4l2_subdev_call_video_wrappers, +}; +EXPORT_SYMBOL(v4l2_subdev_call_wrappers); static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg) { @@ -284,10 +445,6 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg) case VIDIOC_SUBDEV_G_FMT: { struct v4l2_subdev_format *format = arg; - rval = check_format(sd, format); - if (rval) - return rval; - memset(format->reserved, 0, sizeof(format->reserved)); memset(format->format.reserved, 0, sizeof(format->format.reserved)); return v4l2_subdev_call(sd, pad, get_fmt, subdev_fh->pad, format); @@ -296,10 +453,6 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg) case VIDIOC_SUBDEV_S_FMT: { struct v4l2_subdev_format *format = arg; - rval = check_format(sd, format); - if (rval) - return rval; - memset(format->reserved, 0, sizeof(format->reserved)); memset(format->format.reserved, 0, sizeof(format->format.reserved)); return v4l2_subdev_call(sd, pad, set_fmt, subdev_fh->pad, format); @@ -309,10 +462,6 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg) struct v4l2_subdev_crop *crop = arg; struct v4l2_subdev_selection sel; - rval = check_crop(sd, crop); - if (rval) - return rval; - memset(crop->reserved, 0, sizeof(crop->reserved)); memset(&sel, 0, sizeof(sel)); sel.which = crop->which; @@ -332,10 +481,6 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg) struct v4l2_subdev_selection sel; memset(crop->reserved, 0, sizeof(crop->reserved)); - rval = check_crop(sd, crop); - if (rval) - return rval; - memset(&sel, 0, sizeof(sel)); sel.which = crop->which; sel.pad = crop->pad; @@ -353,13 +498,6 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg) case VIDIOC_SUBDEV_ENUM_MBUS_CODE: { struct v4l2_subdev_mbus_code_enum *code = arg; - if (code->which != V4L2_SUBDEV_FORMAT_TRY && - code->which != V4L2_SUBDEV_FORMAT_ACTIVE) - return -EINVAL; - - if (code->pad >= sd->entity.num_pads) - return -EINVAL; - memset(code->reserved, 0, sizeof(code->reserved)); return v4l2_subdev_call(sd, pad, enum_mbus_code, subdev_fh->pad, code); @@ -368,13 +506,6 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg) case VIDIOC_SUBDEV_ENUM_FRAME_SIZE: { struct v4l2_subdev_frame_size_enum *fse = arg; - if (fse->which != V4L2_SUBDEV_FORMAT_TRY && - fse->which != V4L2_SUBDEV_FORMAT_ACTIVE) - return -EINVAL; - - if (fse->pad >= sd->entity.num_pads) - return -EINVAL; - memset(fse->reserved, 0, sizeof(fse->reserved)); return v4l2_subdev_call(sd, pad, enum_frame_size, subdev_fh->pad, fse); @@ -383,9 +514,6 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg) case VIDIOC_SUBDEV_G_FRAME_INTERVAL: { struct v4l2_subdev_frame_interval *fi = arg; - if (fi->pad >= sd->entity.num_pads) - return -EINVAL; - memset(fi->reserved, 0, sizeof(fi->reserved)); return v4l2_subdev_call(sd, video, g_frame_interval, arg); } @@ -393,9 +521,6 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg) case VIDIOC_SUBDEV_S_FRAME_INTERVAL: { struct v4l2_subdev_frame_interval *fi = arg; - if (fi->pad >= sd->entity.num_pads) - return -EINVAL; - memset(fi->reserved, 0, sizeof(fi->reserved)); return v4l2_subdev_call(sd, video, s_frame_interval, arg); } @@ -403,13 +528,6 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg) case VIDIOC_SUBDEV_ENUM_FRAME_INTERVAL: { struct v4l2_subdev_frame_interval_enum *fie = arg; - if (fie->which != V4L2_SUBDEV_FORMAT_TRY && - fie->which != V4L2_SUBDEV_FORMAT_ACTIVE) - return -EINVAL; - - if (fie->pad >= sd->entity.num_pads) - return -EINVAL; - memset(fie->reserved, 0, sizeof(fie->reserved)); return v4l2_subdev_call(sd, pad, enum_frame_interval, subdev_fh->pad, fie); @@ -418,10 +536,6 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg) case VIDIOC_SUBDEV_G_SELECTION: { struct v4l2_subdev_selection *sel = arg; - rval = check_selection(sd, sel); - if (rval) - return rval; - memset(sel->reserved, 0, sizeof(sel->reserved)); return v4l2_subdev_call( sd, pad, get_selection, subdev_fh->pad, sel); @@ -430,10 +544,6 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg) case VIDIOC_SUBDEV_S_SELECTION: { struct v4l2_subdev_selection *sel = arg; - rval = check_selection(sd, sel); - if (rval) - return rval; - memset(sel->reserved, 0, sizeof(sel->reserved)); return v4l2_subdev_call( sd, pad, set_selection, subdev_fh->pad, sel); @@ -442,38 +552,24 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg) case VIDIOC_G_EDID: { struct v4l2_subdev_edid *edid = arg; - rval = check_edid(sd, edid); - if (rval) - return rval; - return v4l2_subdev_call(sd, pad, get_edid, edid); } case VIDIOC_S_EDID: { struct v4l2_subdev_edid *edid = arg; - rval = check_edid(sd, edid); - if (rval) - return rval; - return v4l2_subdev_call(sd, pad, set_edid, edid); } case VIDIOC_SUBDEV_DV_TIMINGS_CAP: { struct v4l2_dv_timings_cap *cap = arg; - if (cap->pad >= sd->entity.num_pads) - return -EINVAL; - return v4l2_subdev_call(sd, pad, dv_timings_cap, cap); } case VIDIOC_SUBDEV_ENUM_DV_TIMINGS: { struct v4l2_enum_dv_timings *dvt = arg; - if (dvt->pad >= sd->entity.num_pads) - return -EINVAL; - return v4l2_subdev_call(sd, pad, enum_dv_timings, dvt); } diff --git a/drivers/media/v4l2-core/videobuf-dma-contig.c b/drivers/media/v4l2-core/videobuf-dma-contig.c index 0491122b03c4..76b4ac7b1678 100644 --- a/drivers/media/v4l2-core/videobuf-dma-contig.c +++ b/drivers/media/v4l2-core/videobuf-dma-contig.c @@ -277,7 +277,6 @@ static int __videobuf_mmap_mapper(struct videobuf_queue *q, struct videobuf_dma_contig_memory *mem; struct videobuf_mapping *map; int retval; - unsigned long size; dev_dbg(q->dev, "%s\n", __func__); @@ -300,7 +299,6 @@ static int __videobuf_mmap_mapper(struct videobuf_queue *q, goto error; /* Try to remap memory */ - size = vma->vm_end - vma->vm_start; vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); /* the "vm_pgoff" is just used in v4l2 to find the @@ -311,7 +309,7 @@ static int __videobuf_mmap_mapper(struct videobuf_queue *q, */ vma->vm_pgoff = 0; - retval = vm_iomap_memory(vma, mem->dma_handle, size); + retval = vm_iomap_memory(vma, mem->dma_handle, mem->size); if (retval) { dev_err(q->dev, "mmap: remap failed with error %d. ", retval); diff --git a/drivers/media/v4l2-core/videobuf-vmalloc.c b/drivers/media/v4l2-core/videobuf-vmalloc.c index 8f38dae39532..f8bd5a369560 100644 --- a/drivers/media/v4l2-core/videobuf-vmalloc.c +++ b/drivers/media/v4l2-core/videobuf-vmalloc.c @@ -7,7 +7,7 @@ * into PAGE_SIZE chunks). They also assume the driver does not need * to touch the video data. * - * (c) 2007 Mauro Carvalho Chehab, <mchehab@kernel.org> + * (c) 2007 Mauro Carvalho Chehab <mchehab@kernel.org> */ #include <linux/init.h> |
