diff options
Diffstat (limited to 'drivers/media/video/pvrusb2/pvrusb2-hdw.c')
-rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-hdw.c | 311 |
1 files changed, 264 insertions, 47 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index e29a39ffdcca..9bb59b2de917 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c @@ -298,6 +298,7 @@ static int pvr2_send_request_ex(struct pvr2_hdw *hdw, unsigned int timeout,int probe_fl, void *write_data,unsigned int write_len, void *read_data,unsigned int read_len); +static int pvr2_hdw_check_cropcap(struct pvr2_hdw *hdw); static void trace_stbit(const char *name,int val) @@ -404,70 +405,220 @@ static int ctrl_freq_set(struct pvr2_ctrl *cptr,int m,int v) static int ctrl_cropl_min_get(struct pvr2_ctrl *cptr, int *left) { - struct v4l2_cropcap *cap = &cptr->hdw->cropcap; - if (cap->bounds.width > 0) { - /* This statement is present purely to shut up - checkpatch.pl */ - *left = cap->bounds.left - cap->defrect.left; - } else { - /* This statement is present purely to shut up - checkpatch.pl */ - *left = -119; + struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; + int stat = pvr2_hdw_check_cropcap(cptr->hdw); + if (stat != 0) { + /* Keep checkpatch.pl quiet */ + return stat; } + *left = cap->bounds.left; return 0; } static int ctrl_cropl_max_get(struct pvr2_ctrl *cptr, int *left) { - struct v4l2_cropcap *cap = &cptr->hdw->cropcap; - if (cap->bounds.width > 0) { - *left = cap->bounds.left + cap->bounds.width - - cap->defrect.left; - *left += 3; - *left -= cptr->hdw->cropw_val; - } else { + struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; + int stat = pvr2_hdw_check_cropcap(cptr->hdw); + if (stat != 0) { + /* Keep checkpatch.pl quiet */ + return stat; + } + *left = cap->bounds.left; + if (cap->bounds.width > cptr->hdw->cropw_val) { /* This statement is present purely to shut up checkpatch.pl */ - *left = 340; + *left += cap->bounds.width - cptr->hdw->cropw_val; } return 0; } static int ctrl_cropt_min_get(struct pvr2_ctrl *cptr, int *top) { - struct v4l2_cropcap *cap = &cptr->hdw->cropcap; - if (cap->bounds.height > 0) { - /* This statement is present purely to shut up - checkpatch.pl */ - *top = cap->bounds.top - cap->defrect.top; - } else { - /* This statement is present purely to shut up - checkpatch.pl */ - *top = -19; + struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; + int stat = pvr2_hdw_check_cropcap(cptr->hdw); + if (stat != 0) { + /* Keep checkpatch.pl quiet */ + return stat; } + *top = cap->bounds.top; return 0; } -static int ctrl_vres_max_get(struct pvr2_ctrl *cptr,int *vp) +static int ctrl_cropt_max_get(struct pvr2_ctrl *cptr, int *top) { - /* Actual maximum depends on the video standard in effect. */ - if (cptr->hdw->std_mask_cur & V4L2_STD_525_60) { - *vp = 480; - } else { - *vp = 576; + struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; + int stat = pvr2_hdw_check_cropcap(cptr->hdw); + if (stat != 0) { + /* Keep checkpatch.pl quiet */ + return stat; + } + *top = cap->bounds.top; + if (cap->bounds.height > cptr->hdw->croph_val) { + /* Keep checkpatch.pl quiet */ + *top += cap->bounds.height - cptr->hdw->croph_val; } return 0; } -static int ctrl_cropt_max_get(struct pvr2_ctrl *cptr, int *top) +static int ctrl_cropw_max_get(struct pvr2_ctrl *cptr, int *val) { - struct v4l2_cropcap *cap = &cptr->hdw->cropcap; - if (cap->bounds.height > 0) { - *top = cap->bounds.top + cap->bounds.height - cap->defrect.top; - *top -= cptr->hdw->croph_val; + struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; + int stat = pvr2_hdw_check_cropcap(cptr->hdw); + if (stat != 0) { + /* Keep checkpatch.pl quiet */ + return stat; + } + *val = 0; + if (cap->bounds.width > cptr->hdw->cropl_val) { + /* Keep checkpatch.pl quiet */ + *val = cap->bounds.width - cptr->hdw->cropl_val; + } + return 0; +} + +static int ctrl_croph_max_get(struct pvr2_ctrl *cptr, int *val) +{ + struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; + int stat = pvr2_hdw_check_cropcap(cptr->hdw); + if (stat != 0) { + /* Keep checkpatch.pl quiet */ + return stat; + } + *val = 0; + if (cap->bounds.height > cptr->hdw->cropt_val) { + /* Keep checkpatch.pl quiet */ + *val = cap->bounds.height - cptr->hdw->cropt_val; + } + return 0; +} + +static int ctrl_get_cropcapbl(struct pvr2_ctrl *cptr, int *val) +{ + struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; + int stat = pvr2_hdw_check_cropcap(cptr->hdw); + if (stat != 0) { + /* Keep checkpatch.pl quiet */ + return stat; + } + *val = cap->bounds.left; + return 0; +} + +static int ctrl_get_cropcapbt(struct pvr2_ctrl *cptr, int *val) +{ + struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; + int stat = pvr2_hdw_check_cropcap(cptr->hdw); + if (stat != 0) { + /* Keep checkpatch.pl quiet */ + return stat; + } + *val = cap->bounds.top; + return 0; +} + +static int ctrl_get_cropcapbw(struct pvr2_ctrl *cptr, int *val) +{ + struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; + int stat = pvr2_hdw_check_cropcap(cptr->hdw); + if (stat != 0) { + /* Keep checkpatch.pl quiet */ + return stat; + } + *val = cap->bounds.width; + return 0; +} + +static int ctrl_get_cropcapbh(struct pvr2_ctrl *cptr, int *val) +{ + struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; + int stat = pvr2_hdw_check_cropcap(cptr->hdw); + if (stat != 0) { + /* Keep checkpatch.pl quiet */ + return stat; + } + *val = cap->bounds.height; + return 0; +} + +static int ctrl_get_cropcapdl(struct pvr2_ctrl *cptr, int *val) +{ + struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; + int stat = pvr2_hdw_check_cropcap(cptr->hdw); + if (stat != 0) { + /* Keep checkpatch.pl quiet */ + return stat; + } + *val = cap->defrect.left; + return 0; +} + +static int ctrl_get_cropcapdt(struct pvr2_ctrl *cptr, int *val) +{ + struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; + int stat = pvr2_hdw_check_cropcap(cptr->hdw); + if (stat != 0) { + /* Keep checkpatch.pl quiet */ + return stat; + } + *val = cap->defrect.top; + return 0; +} + +static int ctrl_get_cropcapdw(struct pvr2_ctrl *cptr, int *val) +{ + struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; + int stat = pvr2_hdw_check_cropcap(cptr->hdw); + if (stat != 0) { + /* Keep checkpatch.pl quiet */ + return stat; + } + *val = cap->defrect.width; + return 0; +} + +static int ctrl_get_cropcapdh(struct pvr2_ctrl *cptr, int *val) +{ + struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; + int stat = pvr2_hdw_check_cropcap(cptr->hdw); + if (stat != 0) { + /* Keep checkpatch.pl quiet */ + return stat; + } + *val = cap->defrect.height; + return 0; +} + +static int ctrl_get_cropcappan(struct pvr2_ctrl *cptr, int *val) +{ + struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; + int stat = pvr2_hdw_check_cropcap(cptr->hdw); + if (stat != 0) { + /* Keep checkpatch.pl quiet */ + return stat; + } + *val = cap->pixelaspect.numerator; + return 0; +} + +static int ctrl_get_cropcappad(struct pvr2_ctrl *cptr, int *val) +{ + struct v4l2_cropcap *cap = &cptr->hdw->cropcap_info; + int stat = pvr2_hdw_check_cropcap(cptr->hdw); + if (stat != 0) { + /* Keep checkpatch.pl quiet */ + return stat; + } + *val = cap->pixelaspect.denominator; + return 0; +} + +static int ctrl_vres_max_get(struct pvr2_ctrl *cptr,int *vp) +{ + /* Actual maximum depends on the video standard in effect. */ + if (cptr->hdw->std_mask_cur & V4L2_STD_525_60) { + *vp = 480; } else { - ctrl_vres_max_get(cptr, top); - *top -= 32; + *vp = 576; } return 0; } @@ -913,7 +1064,7 @@ static const struct pvr2_ctl_info control_defs[] = { DEFREF(mute), DEFBOOL, }, { - .desc = "Capture left margin", + .desc = "Capture crop left margin", .name = "crop_left", .internal_id = PVR2_CID_CROPL, .default_value = 0, @@ -921,8 +1072,9 @@ static const struct pvr2_ctl_info control_defs[] = { DEFINT(-129, 340), .get_min_value = ctrl_cropl_min_get, .get_max_value = ctrl_cropl_max_get, + .get_def_value = ctrl_get_cropcapdl, }, { - .desc = "Capture top margin", + .desc = "Capture crop top margin", .name = "crop_top", .internal_id = PVR2_CID_CROPT, .default_value = 0, @@ -930,21 +1082,53 @@ static const struct pvr2_ctl_info control_defs[] = { DEFINT(-35, 544), .get_min_value = ctrl_cropt_min_get, .get_max_value = ctrl_cropt_max_get, + .get_def_value = ctrl_get_cropcapdt, }, { - .desc = "Capture width", + .desc = "Capture crop width", .name = "crop_width", .internal_id = PVR2_CID_CROPW, .default_value = 720, DEFREF(cropw), - DEFINT(388, 849), /* determined empirically, any res_hor>=64 */ + .get_max_value = ctrl_cropw_max_get, + .get_def_value = ctrl_get_cropcapdw, }, { - .desc = "Capture height", + .desc = "Capture crop height", .name = "crop_height", .internal_id = PVR2_CID_CROPH, .default_value = 480, DEFREF(croph), - DEFINT(32, 576), - .get_max_value = ctrl_vres_max_get, + .get_max_value = ctrl_croph_max_get, + .get_def_value = ctrl_get_cropcapdh, + }, { + .desc = "Capture capability pixel aspect numerator", + .name = "cropcap_pixel_numerator", + .internal_id = PVR2_CID_CROPCAPPAN, + .get_value = ctrl_get_cropcappan, + }, { + .desc = "Capture capability pixel aspect denominator", + .name = "cropcap_pixel_denominator", + .internal_id = PVR2_CID_CROPCAPPAD, + .get_value = ctrl_get_cropcappad, + }, { + .desc = "Capture capability bounds top", + .name = "cropcap_bounds_top", + .internal_id = PVR2_CID_CROPCAPBT, + .get_value = ctrl_get_cropcapbt, + }, { + .desc = "Capture capability bounds left", + .name = "cropcap_bounds_left", + .internal_id = PVR2_CID_CROPCAPBL, + .get_value = ctrl_get_cropcapbl, + }, { + .desc = "Capture capability bounds width", + .name = "cropcap_bounds_width", + .internal_id = PVR2_CID_CROPCAPBW, + .get_value = ctrl_get_cropcapbw, + }, { + .desc = "Capture capability bounds height", + .name = "cropcap_bounds_height", + .internal_id = PVR2_CID_CROPCAPBH, + .get_value = ctrl_get_cropcapbh, },{ .desc = "Video Source", .name = "input", @@ -2188,7 +2372,7 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf, valid_std_mask; } - memset(&hdw->cropcap, 0, sizeof hdw->cropcap); + hdw->cropcap_stale = !0; hdw->eeprom_addr = -1; hdw->unit_number = -1; hdw->v4l_minor_number_video = -1; @@ -2728,6 +2912,9 @@ static int pvr2_hdw_commit_execute(struct pvr2_hdw *hdw) } hdw->state_pipeline_config = !0; + /* Hardware state may have changed in a way to cause the cropping + capabilities to have changed. So mark it stale, which will + cause a later re-fetch. */ trace_stbit("state_pipeline_config",hdw->state_pipeline_config); return !0; } @@ -2818,6 +3005,36 @@ void pvr2_hdw_execute_tuner_poll(struct pvr2_hdw *hdw) } +static int pvr2_hdw_check_cropcap(struct pvr2_hdw *hdw) +{ + if (!hdw->cropcap_stale) { + /* Keep checkpatch.pl quiet */ + return 0; + } + pvr2_i2c_core_status_poll(hdw); + if (hdw->cropcap_stale) { + /* Keep checkpatch.pl quiet */ + return -EIO; + } + return 0; +} + + +/* Return information about cropping capabilities */ +int pvr2_hdw_get_cropcap(struct pvr2_hdw *hdw, struct v4l2_cropcap *pp) +{ + int stat = 0; + LOCK_TAKE(hdw->big_lock); + stat = pvr2_hdw_check_cropcap(hdw); + if (!stat) { + /* Keep checkpatch.pl quiet */ + memcpy(pp, &hdw->cropcap_info, sizeof(hdw->cropcap_info)); + } + LOCK_GIVE(hdw->big_lock); + return stat; +} + + /* Return information about the tuner */ int pvr2_hdw_get_tuner_status(struct pvr2_hdw *hdw,struct v4l2_tuner *vtp) { |