diff options
Diffstat (limited to 'drivers/media')
-rw-r--r-- | drivers/media/dvb/dvb-core/dvb_frontend.c | 83 | ||||
-rw-r--r-- | drivers/media/dvb/dvb-core/dvb_frontend.h | 4 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/cx24116.c | 2 |
3 files changed, 46 insertions, 43 deletions
diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c index 9c4761506d2..763da968236 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb/dvb-core/dvb_frontend.c @@ -756,29 +756,14 @@ static int dvb_frontend_check_parameters(struct dvb_frontend *fe, } struct dtv_cmds_h dtv_cmds[] = { - [DTV_SEQ_UNDEFINED] = { - .name = "DTV_SEQ_UNDEFINED", - .cmd = DTV_SEQ_UNDEFINED, + [DTV_TUNE] = { + .name = "DTV_TUNE", + .cmd = DTV_TUNE, .set = 1, }, - [DTV_SEQ_START] = { - .name = "DTV_SEQ_START", - .cmd = DTV_SEQ_START, - .set = 1, - }, - [DTV_SEQ_CONTINUE] = { - .name = "DTV_SEQ_CONTINUE", - .cmd = DTV_SEQ_CONTINUE, - .set = 1, - }, - [DTV_SEQ_COMPLETE] = { - .name = "DTV_SEQ_COMPLETE", - .cmd = DTV_SEQ_COMPLETE, - .set = 1, - }, - [DTV_SEQ_TERMINATE] = { - .name = "DTV_SEQ_TERMINATE", - .cmd = DTV_SEQ_TERMINATE, + [DTV_CLEAR] = { + .name = "DTV_CLEAR", + .cmd = DTV_CLEAR, .set = 1, }, @@ -974,7 +959,7 @@ struct dtv_cmds_h dtv_cmds[] = { }, }; -void dtv_property_dump(dtv_property_t *tvp) +void dtv_property_dump(struct dtv_property *tvp) { int i; @@ -1044,6 +1029,7 @@ int dtv_property_cache_submit(struct dvb_frontend *fe) /* For legacy delivery systems we don't need the delivery_system to be specified */ if(is_legacy_delivery_system(c->delivery_system)) { + printk("%s() legacy, modulation = %d\n", __FUNCTION__, c->modulation); switch(c->modulation) { case QPSK: printk("%s() Preparing QPSK req\n", __FUNCTION__); @@ -1161,7 +1147,7 @@ static int dvb_frontend_ioctl_legacy(struct inode *inode, struct file *file, static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file, unsigned int cmd, void *parg); -int dtv_property_process(struct dvb_frontend *fe, dtv_property_t *tvp, +int dtv_property_process(struct dvb_frontend *fe, struct dtv_property *tvp, struct inode *inode, struct file *file) { int r = 0; @@ -1170,23 +1156,22 @@ int dtv_property_process(struct dvb_frontend *fe, dtv_property_t *tvp, dtv_property_dump(tvp); switch(tvp->cmd) { - case DTV_SEQ_START: - case DTV_SEQ_TERMINATE: + case DTV_CLEAR: /* Reset a cache of data specific to the frontend here. This does * not effect hardware. */ printk("%s() Flushing property cache\n", __FUNCTION__); memset(&fe->dtv_property_cache, 0, sizeof(struct dtv_frontend_properties)); - fe->dtv_property_cache.state = DTV_SEQ_START; + fe->dtv_property_cache.state = tvp->cmd; fe->dtv_property_cache.delivery_system = SYS_UNDEFINED; break; - case DTV_SEQ_COMPLETE: + case DTV_TUNE: /* interpret the cache of data, build either a traditional frontend * tunerequest and submit it to a subset of the ioctl handler, * or, call a new undefined method on the frontend to deal with * all new tune requests. */ - fe->dtv_property_cache.state = DTV_SEQ_COMPLETE; + fe->dtv_property_cache.state = tvp->cmd; printk("%s() Finalised property cache\n", __FUNCTION__); r |= dtv_property_cache_submit(fe); r |= dvb_frontend_ioctl_legacy(inode, file, FE_SET_FRONTEND, @@ -1344,30 +1329,48 @@ static int dvb_frontend_ioctl_properties(struct inode *inode, struct file *file, struct dvb_device *dvbdev = file->private_data; struct dvb_frontend *fe = dvbdev->priv; int err = -EOPNOTSUPP; - dtv_property_t *tvp; + + struct dtv_properties *tvps = NULL; + struct dtv_property *tvp = NULL; + int i; dprintk("%s\n", __func__); if(cmd == FE_SET_PROPERTY) { printk("%s() FE_SET_PROPERTY\n", __FUNCTION__); - /* TODO: basic property validation here */ + tvps = (struct dtv_properties __user *)parg; - /* TODO: ioctl userdata out of range check here */ - tvp = parg; - while(tvp->cmd != DTV_SEQ_UNDEFINED) { - dtv_property_process(fe, tvp, inode, file); - if( (tvp->cmd == DTV_SEQ_TERMINATE) || (tvp->cmd == DTV_SEQ_COMPLETE) ) - break; - tvp++; + printk("%s() properties.num = %d\n", __FUNCTION__, tvps->num); + printk("%s() properties.props = %p\n", __FUNCTION__, tvps->props); + + /* Put an arbitrary limit on the number of messages that can + * be sent at once */ + if (tvps->num > DTV_IOCTL_MAX_MSGS) + return -EINVAL; + + tvp = (struct dtv_property *) kmalloc(tvps->num * + sizeof(struct dtv_property), GFP_KERNEL); + if (!tvp) { + err = -ENOMEM; + goto out; } - if(fe->dtv_property_cache.state == DTV_SEQ_COMPLETE) { + if (copy_from_user(tvp, tvps->props, tvps->num * sizeof(struct dtv_property))) { + err = -EFAULT; + goto out; + } + + for (i = 0; i < tvps->num; i++) + dtv_property_process(fe, tvp + i, inode, file); + + if(fe->dtv_property_cache.state == DTV_TUNE) { printk("%s() Property cache is full, tuning\n", __FUNCTION__); } err = 0; } - +out: + kfree(tvp); return err; } @@ -1545,7 +1548,7 @@ static int dvb_frontend_ioctl_legacy(struct inode *inode, struct file *file, case FE_SET_FRONTEND: { struct dvb_frontend_tune_settings fetunesettings; - if(fe->dtv_property_cache.state == DTV_SEQ_COMPLETE) { + if(fe->dtv_property_cache.state == DTV_TUNE) { if (dvb_frontend_check_parameters(fe, &fepriv->parameters) < 0) { err = -EINVAL; break; diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.h b/drivers/media/dvb/dvb-core/dvb_frontend.h index f376f281cde..85d30201a69 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.h +++ b/drivers/media/dvb/dvb-core/dvb_frontend.h @@ -170,8 +170,8 @@ struct dvb_frontend_ops { struct dvb_tuner_ops tuner_ops; struct analog_demod_ops analog_ops; - int (*set_property)(struct dvb_frontend* fe, dtv_property_t* tvp); - int (*get_property)(struct dvb_frontend* fe, dtv_property_t* tvp); + int (*set_property)(struct dvb_frontend* fe, struct dtv_property* tvp); + int (*get_property)(struct dvb_frontend* fe, struct dtv_property* tvp); int (*set_params)(struct dvb_frontend* fe); }; diff --git a/drivers/media/dvb/frontends/cx24116.c b/drivers/media/dvb/frontends/cx24116.c index f150fa24ff9..9f93930a259 100644 --- a/drivers/media/dvb/frontends/cx24116.c +++ b/drivers/media/dvb/frontends/cx24116.c @@ -796,7 +796,7 @@ static int cx24116_initfe(struct dvb_frontend* fe) return cx24116_diseqc_init(fe); } -static int cx24116_set_property(struct dvb_frontend *fe, dtv_property_t* tvp) +static int cx24116_set_property(struct dvb_frontend *fe, struct dtv_property* tvp) { dprintk("%s(..)\n", __func__); return 0; |