diff --git a/drivers/media/video/s5p-fimc/fimc-capture.c b/drivers/media/video/s5p-fimc/fimc-capture.c index 562b23c7d486..0c237a776f8d 100644 --- a/drivers/media/video/s5p-fimc/fimc-capture.c +++ b/drivers/media/video/s5p-fimc/fimc-capture.c @@ -27,6 +27,7 @@ #include #include +#include "fimc-mdevice.h" #include "fimc-core.h" static void fimc_capture_state_cleanup(struct fimc_dev *fimc) @@ -273,6 +274,31 @@ static struct vb2_ops fimc_capture_qops = { .stop_streaming = stop_streaming, }; +/** + * fimc_capture_ctrls_create - initialize the control handler + * Initialize the capture video node control handler and fill it + * with the FIMC controls. Inherit any sensor's controls if the + * 'user_subdev_api' flag is false (default behaviour). + * This function need to be called with the graph mutex held. + */ +int fimc_capture_ctrls_create(struct fimc_dev *fimc) +{ + struct fimc_vid_cap *vid_cap = &fimc->vid_cap; + int ret; + + if (WARN_ON(vid_cap->ctx == NULL)) + return -ENXIO; + if (vid_cap->ctx->ctrls_rdy) + return 0; + + ret = fimc_ctrls_create(vid_cap->ctx); + if (ret || vid_cap->user_subdev_api) + return ret; + + return v4l2_ctrl_add_handler(&vid_cap->ctx->ctrl_handler, + fimc->pipeline.sensor->ctrl_handler); +} + static int fimc_capture_open(struct file *file) { struct fimc_dev *fimc = video_drvdata(file); @@ -293,9 +319,10 @@ static int fimc_capture_open(struct file *file) return ret; } - ++fimc->vid_cap.refcnt; + if (++fimc->vid_cap.refcnt == 1) + ret = fimc_capture_ctrls_create(fimc); - return 0; + return ret; } static int fimc_capture_close(struct file *file) @@ -306,6 +333,7 @@ static int fimc_capture_close(struct file *file) if (--fimc->vid_cap.refcnt == 0) { fimc_stop_capture(fimc); + fimc_ctrls_delete(fimc->vid_cap.ctx); vb2_queue_release(&fimc->vid_cap.vbq); } @@ -546,30 +574,6 @@ static int fimc_cap_dqbuf(struct file *file, void *priv, return vb2_dqbuf(&fimc->vid_cap.vbq, buf, file->f_flags & O_NONBLOCK); } -static int fimc_cap_s_ctrl(struct file *file, void *priv, - struct v4l2_control *ctrl) -{ - struct fimc_dev *fimc = video_drvdata(file); - struct fimc_ctx *ctx = fimc->vid_cap.ctx; - int ret = -EINVAL; - - /* Allow any controls but 90/270 rotation while streaming */ - if (!fimc_capture_active(ctx->fimc_dev) || - ctrl->id != V4L2_CID_ROTATE || - (ctrl->value != 90 && ctrl->value != 270)) { - ret = check_ctrl_val(ctx, ctrl); - if (!ret) { - ret = fimc_s_ctrl(ctx, ctrl); - if (!ret) - ctx->state |= FIMC_PARAMS; - } - } - if (ret == -EINVAL) - ret = v4l2_subdev_call(ctx->fimc_dev->vid_cap.sd, - core, s_ctrl, ctrl); - return ret; -} - static int fimc_cap_cropcap(struct file *file, void *fh, struct v4l2_cropcap *cr) { @@ -656,10 +660,6 @@ static const struct v4l2_ioctl_ops fimc_capture_ioctl_ops = { .vidioc_streamon = fimc_cap_streamon, .vidioc_streamoff = fimc_cap_streamoff, - .vidioc_queryctrl = fimc_vidioc_queryctrl, - .vidioc_g_ctrl = fimc_vidioc_g_ctrl, - .vidioc_s_ctrl = fimc_cap_s_ctrl, - .vidioc_g_crop = fimc_cap_g_crop, .vidioc_s_crop = fimc_cap_s_crop, .vidioc_cropcap = fimc_cap_cropcap, @@ -743,6 +743,7 @@ int fimc_register_capture_device(struct fimc_dev *fimc, if (ret) goto err_ent; + vfd->ctrl_handler = &ctx->ctrl_handler; return 0; err_ent: diff --git a/drivers/media/video/s5p-fimc/fimc-core.c b/drivers/media/video/s5p-fimc/fimc-core.c index 3dab803e8054..c7ce93457a9b 100644 --- a/drivers/media/video/s5p-fimc/fimc-core.c +++ b/drivers/media/video/s5p-fimc/fimc-core.c @@ -162,43 +162,6 @@ static struct fimc_fmt fimc_formats[] = { }, }; -static struct v4l2_queryctrl fimc_ctrls[] = { - { - .id = V4L2_CID_HFLIP, - .type = V4L2_CTRL_TYPE_BOOLEAN, - .name = "Horizontal flip", - .minimum = 0, - .maximum = 1, - .default_value = 0, - }, { - .id = V4L2_CID_VFLIP, - .type = V4L2_CTRL_TYPE_BOOLEAN, - .name = "Vertical flip", - .minimum = 0, - .maximum = 1, - .default_value = 0, - }, { - .id = V4L2_CID_ROTATE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Rotation (CCW)", - .minimum = 0, - .maximum = 270, - .step = 90, - .default_value = 0, - }, -}; - - -static struct v4l2_queryctrl *get_ctrl(int id) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(fimc_ctrls); ++i) - if (id == fimc_ctrls[i].id) - return &fimc_ctrls[i]; - return NULL; -} - int fimc_check_scaler_ratio(int sw, int sh, int dw, int dh, int rot) { int tx, ty; @@ -777,6 +740,116 @@ static struct vb2_ops fimc_qops = { .start_streaming = start_streaming, }; +/* + * V4L2 controls handling + */ +#define ctrl_to_ctx(__ctrl) \ + container_of((__ctrl)->handler, struct fimc_ctx, ctrl_handler) + +static int fimc_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct fimc_ctx *ctx = ctrl_to_ctx(ctrl); + struct fimc_dev *fimc = ctx->fimc_dev; + struct samsung_fimc_variant *variant = fimc->variant; + unsigned long flags; + int ret = 0; + + if (ctrl->flags & V4L2_CTRL_FLAG_INACTIVE) + return 0; + + switch (ctrl->id) { + case V4L2_CID_HFLIP: + spin_lock_irqsave(&ctx->slock, flags); + ctx->hflip = ctrl->val; + break; + + case V4L2_CID_VFLIP: + spin_lock_irqsave(&ctx->slock, flags); + ctx->vflip = ctrl->val; + break; + + case V4L2_CID_ROTATE: + if (fimc_capture_pending(fimc) || + fimc_ctx_state_is_set(FIMC_DST_FMT | FIMC_SRC_FMT, ctx)) { + ret = fimc_check_scaler_ratio(ctx->s_frame.width, + ctx->s_frame.height, ctx->d_frame.width, + ctx->d_frame.height, ctrl->val); + } + if (ret) { + v4l2_err(fimc->m2m.vfd, "Out of scaler range\n"); + return -EINVAL; + } + if ((ctrl->val == 90 || ctrl->val == 270) && + !variant->has_out_rot) + return -EINVAL; + spin_lock_irqsave(&ctx->slock, flags); + ctx->rotation = ctrl->val; + break; + + default: + v4l2_err(fimc->v4l2_dev, "Invalid control: 0x%X\n", ctrl->id); + return -EINVAL; + } + ctx->state |= FIMC_PARAMS; + set_bit(ST_CAPT_APPLY_CFG, &fimc->state); + spin_unlock_irqrestore(&ctx->slock, flags); + return 0; +} + +static const struct v4l2_ctrl_ops fimc_ctrl_ops = { + .s_ctrl = fimc_s_ctrl, +}; + +int fimc_ctrls_create(struct fimc_ctx *ctx) +{ + if (ctx->ctrls_rdy) + return 0; + v4l2_ctrl_handler_init(&ctx->ctrl_handler, 3); + + ctx->ctrl_rotate = v4l2_ctrl_new_std(&ctx->ctrl_handler, &fimc_ctrl_ops, + V4L2_CID_HFLIP, 0, 1, 1, 0); + ctx->ctrl_hflip = v4l2_ctrl_new_std(&ctx->ctrl_handler, &fimc_ctrl_ops, + V4L2_CID_VFLIP, 0, 1, 1, 0); + ctx->ctrl_vflip = v4l2_ctrl_new_std(&ctx->ctrl_handler, &fimc_ctrl_ops, + V4L2_CID_ROTATE, 0, 270, 90, 0); + ctx->ctrls_rdy = ctx->ctrl_handler.error == 0; + + return ctx->ctrl_handler.error; +} + +void fimc_ctrls_delete(struct fimc_ctx *ctx) +{ + if (ctx->ctrls_rdy) { + v4l2_ctrl_handler_free(&ctx->ctrl_handler); + ctx->ctrls_rdy = false; + } +} + +void fimc_ctrls_activate(struct fimc_ctx *ctx, bool active) +{ + if (!ctx->ctrls_rdy) + return; + + mutex_lock(&ctx->ctrl_handler.lock); + v4l2_ctrl_activate(ctx->ctrl_rotate, active); + v4l2_ctrl_activate(ctx->ctrl_hflip, active); + v4l2_ctrl_activate(ctx->ctrl_vflip, active); + + if (active) { + ctx->rotation = ctx->ctrl_rotate->val; + ctx->hflip = ctx->ctrl_hflip->val; + ctx->vflip = ctx->ctrl_vflip->val; + } else { + ctx->rotation = 0; + ctx->hflip = 0; + ctx->vflip = 0; + } + mutex_unlock(&ctx->ctrl_handler.lock); +} + +/* + * V4L2 ioctl handlers + */ static int fimc_m2m_querycap(struct file *file, void *fh, struct v4l2_capability *cap) { @@ -1073,136 +1146,6 @@ static int fimc_m2m_streamoff(struct file *file, void *fh, return v4l2_m2m_streamoff(file, ctx->m2m_ctx, type); } -int fimc_vidioc_queryctrl(struct file *file, void *fh, - struct v4l2_queryctrl *qc) -{ - struct fimc_ctx *ctx = fh_to_ctx(fh); - struct fimc_dev *fimc = ctx->fimc_dev; - struct v4l2_queryctrl *c; - int ret = -EINVAL; - - c = get_ctrl(qc->id); - if (c) { - *qc = *c; - return 0; - } - - if (fimc_ctx_state_is_set(FIMC_CTX_CAP, ctx)) { - return v4l2_subdev_call(ctx->fimc_dev->vid_cap.sd, - core, queryctrl, qc); - } - return ret; -} - -int fimc_vidioc_g_ctrl(struct file *file, void *fh, struct v4l2_control *ctrl) -{ - struct fimc_ctx *ctx = fh_to_ctx(fh); - struct fimc_dev *fimc = ctx->fimc_dev; - - switch (ctrl->id) { - case V4L2_CID_HFLIP: - ctrl->value = (FLIP_X_AXIS & ctx->flip) ? 1 : 0; - break; - case V4L2_CID_VFLIP: - ctrl->value = (FLIP_Y_AXIS & ctx->flip) ? 1 : 0; - break; - case V4L2_CID_ROTATE: - ctrl->value = ctx->rotation; - break; - default: - if (fimc_ctx_state_is_set(FIMC_CTX_CAP, ctx)) { - return v4l2_subdev_call(fimc->vid_cap.sd, core, - g_ctrl, ctrl); - } else { - v4l2_err(fimc->m2m.vfd, "Invalid control\n"); - return -EINVAL; - } - } - dbg("ctrl->value= %d", ctrl->value); - - return 0; -} - -int check_ctrl_val(struct fimc_ctx *ctx, struct v4l2_control *ctrl) -{ - struct v4l2_queryctrl *c; - c = get_ctrl(ctrl->id); - if (!c) - return -EINVAL; - - if (ctrl->value < c->minimum || ctrl->value > c->maximum - || (c->step != 0 && ctrl->value % c->step != 0)) { - v4l2_err(ctx->fimc_dev->m2m.vfd, "Invalid control value\n"); - return -ERANGE; - } - - return 0; -} - -int fimc_s_ctrl(struct fimc_ctx *ctx, struct v4l2_control *ctrl) -{ - struct samsung_fimc_variant *variant = ctx->fimc_dev->variant; - struct fimc_dev *fimc = ctx->fimc_dev; - int ret = 0; - - switch (ctrl->id) { - case V4L2_CID_HFLIP: - if (ctrl->value) - ctx->flip |= FLIP_X_AXIS; - else - ctx->flip &= ~FLIP_X_AXIS; - break; - - case V4L2_CID_VFLIP: - if (ctrl->value) - ctx->flip |= FLIP_Y_AXIS; - else - ctx->flip &= ~FLIP_Y_AXIS; - break; - - case V4L2_CID_ROTATE: - if (fimc_ctx_state_is_set(FIMC_DST_FMT | FIMC_SRC_FMT, ctx)) { - ret = fimc_check_scaler_ratio(ctx->s_frame.width, - ctx->s_frame.height, ctx->d_frame.width, - ctx->d_frame.height, ctrl->value); - } - - if (ret) { - v4l2_err(fimc->m2m.vfd, "Out of scaler range\n"); - return -EINVAL; - } - - /* Check for the output rotator availability */ - if ((ctrl->value == 90 || ctrl->value == 270) && - (ctx->in_path == FIMC_DMA && !variant->has_out_rot)) - return -EINVAL; - ctx->rotation = ctrl->value; - break; - - default: - v4l2_err(fimc->v4l2_dev, "Invalid control\n"); - return -EINVAL; - } - - fimc_ctx_state_lock_set(FIMC_PARAMS, ctx); - - return 0; -} - -static int fimc_m2m_s_ctrl(struct file *file, void *fh, - struct v4l2_control *ctrl) -{ - struct fimc_ctx *ctx = fh_to_ctx(fh); - int ret = 0; - - ret = check_ctrl_val(ctx, ctrl); - if (ret) - return ret; - - ret = fimc_s_ctrl(ctx, ctrl); - return 0; -} - static int fimc_m2m_cropcap(struct file *file, void *fh, struct v4l2_cropcap *cr) { @@ -1368,10 +1311,6 @@ static const struct v4l2_ioctl_ops fimc_m2m_ioctl_ops = { .vidioc_streamon = fimc_m2m_streamon, .vidioc_streamoff = fimc_m2m_streamoff, - .vidioc_queryctrl = fimc_vidioc_queryctrl, - .vidioc_g_ctrl = fimc_vidioc_g_ctrl, - .vidioc_s_ctrl = fimc_m2m_s_ctrl, - .vidioc_g_crop = fimc_m2m_g_crop, .vidioc_s_crop = fimc_m2m_s_crop, .vidioc_cropcap = fimc_m2m_cropcap @@ -1427,7 +1366,12 @@ static int fimc_m2m_open(struct file *file) if (!ctx) return -ENOMEM; v4l2_fh_init(&ctx->fh, fimc->m2m.vfd); + ret = fimc_ctrls_create(ctx); + if (ret) + goto error_fh; + /* Use separate control handler per file handle */ + ctx->fh.ctrl_handler = &ctx->ctrl_handler; file->private_data = &ctx->fh; v4l2_fh_add(&ctx->fh); @@ -1445,13 +1389,15 @@ static int fimc_m2m_open(struct file *file) ctx->m2m_ctx = v4l2_m2m_ctx_init(fimc->m2m.m2m_dev, ctx, queue_init); if (IS_ERR(ctx->m2m_ctx)) { ret = PTR_ERR(ctx->m2m_ctx); - goto error_fh; + goto error_c; } if (fimc->m2m.refcnt++ == 0) set_bit(ST_M2M_RUN, &fimc->state); return 0; +error_c: + fimc_ctrls_delete(ctx); error_fh: v4l2_fh_del(&ctx->fh); v4l2_fh_exit(&ctx->fh); @@ -1468,6 +1414,7 @@ static int fimc_m2m_release(struct file *file) task_pid_nr(current), fimc->state, fimc->m2m.refcnt); v4l2_m2m_ctx_release(ctx->m2m_ctx); + fimc_ctrls_delete(ctx); v4l2_fh_del(&ctx->fh); v4l2_fh_exit(&ctx->fh); diff --git a/drivers/media/video/s5p-fimc/fimc-core.h b/drivers/media/video/s5p-fimc/fimc-core.h index 22009fe6082d..1825e339fa35 100644 --- a/drivers/media/video/s5p-fimc/fimc-core.h +++ b/drivers/media/video/s5p-fimc/fimc-core.h @@ -20,6 +20,7 @@ #include #include +#include #include #include #include @@ -62,6 +63,7 @@ enum fimc_dev_flags { ST_CAPT_STREAM, ST_CAPT_SHUT, ST_CAPT_BUSY, + ST_CAPT_APPLY_CFG, }; #define fimc_m2m_active(dev) test_bit(ST_M2M_RUN, &(dev)->state) @@ -128,11 +130,6 @@ enum fimc_color_fmt { /* Y (16 ~ 235), Cb/Cr (16 ~ 240) */ #define FIMC_COLOR_RANGE_NARROW (1 << 3) -#define FLIP_NONE 0 -#define FLIP_X_AXIS 1 -#define FLIP_Y_AXIS 2 -#define FLIP_XY_AXIS (FLIP_X_AXIS | FLIP_Y_AXIS) - /** * struct fimc_fmt - the driver's internal color format data * @mbus_code: Media Bus pixel code, -1 if not applicable @@ -455,12 +452,18 @@ struct fimc_dev { * @scaler: image scaler properties * @effect: image effect * @rotation: image clockwise rotation in degrees - * @flip: image flip mode + * @hflip: indicates image horizontal flip if set + * @vflip: indicates image vertical flip if set * @flags: additional flags for image conversion * @state: flags to keep track of user configuration * @fimc_dev: the FIMC device this context applies to * @m2m_ctx: memory-to-memory device context * @fh: v4l2 file handle + * @ctrl_handler: v4l2 controls handler + * @ctrl_rotate image rotation control + * @ctrl_hflip horizontal flip control + * @ctrl_vflip vartical flip control + * @ctrls_rdy: true if the control handler is initialized */ struct fimc_ctx { spinlock_t slock; @@ -475,12 +478,18 @@ struct fimc_ctx { struct fimc_scaler scaler; struct fimc_effect effect; int rotation; - u32 flip; + unsigned int hflip:1; + unsigned int vflip:1; u32 flags; u32 state; struct fimc_dev *fimc_dev; struct v4l2_m2m_ctx *m2m_ctx; struct v4l2_fh fh; + struct v4l2_ctrl_handler ctrl_handler; + struct v4l2_ctrl *ctrl_rotate; + struct v4l2_ctrl *ctrl_hflip; + struct v4l2_ctrl *ctrl_vflip; + bool ctrls_rdy; }; #define fh_to_ctx(__fh) container_of(__fh, struct fimc_ctx, fh) @@ -636,15 +645,11 @@ int fimc_hw_set_camera_type(struct fimc_dev *fimc, /* fimc-core.c */ int fimc_vidioc_enum_fmt_mplane(struct file *file, void *priv, struct v4l2_fmtdesc *f); -int fimc_vidioc_queryctrl(struct file *file, void *priv, - struct v4l2_queryctrl *qc); -int fimc_vidioc_g_ctrl(struct file *file, void *priv, - struct v4l2_control *ctrl); - int fimc_try_fmt_mplane(struct fimc_ctx *ctx, struct v4l2_format *f); int fimc_try_crop(struct fimc_ctx *ctx, struct v4l2_crop *cr); -int check_ctrl_val(struct fimc_ctx *ctx, struct v4l2_control *ctrl); -int fimc_s_ctrl(struct fimc_ctx *ctx, struct v4l2_control *ctrl); +int fimc_ctrls_create(struct fimc_ctx *ctx); +void fimc_ctrls_delete(struct fimc_ctx *ctx); +void fimc_ctrls_activate(struct fimc_ctx *ctx, bool active); int fimc_fill_format(struct fimc_frame *frame, struct v4l2_format *f); struct fimc_fmt *find_format(struct v4l2_format *f, unsigned int mask); @@ -667,6 +672,7 @@ void fimc_unregister_driver(void); int fimc_register_capture_device(struct fimc_dev *fimc, struct v4l2_device *v4l2_dev); void fimc_unregister_capture_device(struct fimc_dev *fimc); +int fimc_capture_ctrls_create(struct fimc_dev *fimc); int fimc_vid_cap_buf_queue(struct fimc_dev *fimc, struct fimc_vid_buffer *fimc_vb); int fimc_capture_suspend(struct fimc_dev *fimc); diff --git a/drivers/media/video/s5p-fimc/fimc-mdevice.c b/drivers/media/video/s5p-fimc/fimc-mdevice.c index 50f3fcaa4e77..13ce2a43027c 100644 --- a/drivers/media/video/s5p-fimc/fimc-mdevice.c +++ b/drivers/media/video/s5p-fimc/fimc-mdevice.c @@ -22,6 +22,7 @@ #include #include #include +#include #include #include "fimc-core.h" @@ -649,15 +650,23 @@ static int fimc_md_link_notify(struct media_pad *source, ret = __fimc_pipeline_shutdown(fimc); fimc->pipeline.sensor = NULL; fimc->pipeline.csis = NULL; + + mutex_lock(&fimc->lock); + fimc_ctrls_delete(fimc->vid_cap.ctx); + mutex_unlock(&fimc->lock); return ret; } /* * Link activation. Enable power of pipeline elements only if the * pipeline is already in use, i.e. its video node is opened. + * Recreate the controls destroyed during the link deactivation. */ mutex_lock(&fimc->lock); - if (fimc->vid_cap.refcnt > 0) + if (fimc->vid_cap.refcnt > 0) { ret = __fimc_pipeline_initialize(fimc, source->entity, true); + if (!ret) + ret = fimc_capture_ctrls_create(fimc); + } mutex_unlock(&fimc->lock); return ret ? -EPIPE : ret; diff --git a/drivers/media/video/s5p-fimc/fimc-reg.c b/drivers/media/video/s5p-fimc/fimc-reg.c index c6882636ea94..50937b40854f 100644 --- a/drivers/media/video/s5p-fimc/fimc-reg.c +++ b/drivers/media/video/s5p-fimc/fimc-reg.c @@ -41,19 +41,11 @@ static u32 fimc_hw_get_in_flip(struct fimc_ctx *ctx) { u32 flip = S5P_MSCTRL_FLIP_NORMAL; - switch (ctx->flip) { - case FLIP_X_AXIS: + if (ctx->hflip) flip = S5P_MSCTRL_FLIP_X_MIRROR; - break; - case FLIP_Y_AXIS: + if (ctx->vflip) flip = S5P_MSCTRL_FLIP_Y_MIRROR; - break; - case FLIP_XY_AXIS: - flip = S5P_MSCTRL_FLIP_180; - break; - default: - break; - } + if (ctx->rotation <= 90) return flip; @@ -64,19 +56,11 @@ static u32 fimc_hw_get_target_flip(struct fimc_ctx *ctx) { u32 flip = S5P_CITRGFMT_FLIP_NORMAL; - switch (ctx->flip) { - case FLIP_X_AXIS: - flip = S5P_CITRGFMT_FLIP_X_MIRROR; - break; - case FLIP_Y_AXIS: - flip = S5P_CITRGFMT_FLIP_Y_MIRROR; - break; - case FLIP_XY_AXIS: - flip = S5P_CITRGFMT_FLIP_180; - break; - default: - break; - } + if (ctx->hflip) + flip |= S5P_CITRGFMT_FLIP_X_MIRROR; + if (ctx->vflip) + flip |= S5P_CITRGFMT_FLIP_Y_MIRROR; + if (ctx->rotation <= 90) return flip;