diff options
Diffstat (limited to 'drivers/media/dvb-core')
| -rw-r--r-- | drivers/media/dvb-core/dmxdev.c | 4 | ||||
| -rw-r--r-- | drivers/media/dvb-core/dvb-usb-ids.h | 9 | ||||
| -rw-r--r-- | drivers/media/dvb-core/dvb_ca_en50221.c | 2 | ||||
| -rw-r--r-- | drivers/media/dvb-core/dvb_frontend.c | 223 | ||||
| -rw-r--r-- | drivers/media/dvb-core/dvb_frontend.h | 3 | ||||
| -rw-r--r-- | drivers/media/dvb-core/dvb_net.c | 2 | ||||
| -rw-r--r-- | drivers/media/dvb-core/dvbdev.c | 493 | ||||
| -rw-r--r-- | drivers/media/dvb-core/dvbdev.h | 58 |
8 files changed, 551 insertions, 243 deletions
diff --git a/drivers/media/dvb-core/dmxdev.c b/drivers/media/dvb-core/dmxdev.c index ea9abde902e9..a168cbe1c998 100644 --- a/drivers/media/dvb-core/dmxdev.c +++ b/drivers/media/dvb-core/dmxdev.c @@ -1244,9 +1244,9 @@ int dvb_dmxdev_init(struct dmxdev *dmxdev, struct dvb_adapter *dvb_adapter) } dvb_register_device(dvb_adapter, &dmxdev->dvbdev, &dvbdev_demux, dmxdev, - DVB_DEVICE_DEMUX); + DVB_DEVICE_DEMUX, dmxdev->filternum); dvb_register_device(dvb_adapter, &dmxdev->dvr_dvbdev, &dvbdev_dvr, - dmxdev, DVB_DEVICE_DVR); + dmxdev, DVB_DEVICE_DVR, dmxdev->filternum); dvb_ringbuffer_init(&dmxdev->dvr_buffer, NULL, 8192); diff --git a/drivers/media/dvb-core/dvb-usb-ids.h b/drivers/media/dvb-core/dvb-usb-ids.h index 1c1c298d2289..0afad395ef97 100644 --- a/drivers/media/dvb-core/dvb-usb-ids.h +++ b/drivers/media/dvb-core/dvb-usb-ids.h @@ -1,6 +1,6 @@ /* dvb-usb-ids.h is part of the DVB USB library. * - * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de) see + * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@posteo.de) see * dvb-usb-init.c for copyright information. * * a header file containing define's for the USB device supported by the @@ -118,6 +118,7 @@ #define USB_PID_DIBCOM_STK807XP 0x1f90 #define USB_PID_DIBCOM_STK807XPVR 0x1f98 #define USB_PID_DIBCOM_STK8096GP 0x1fa0 +#define USB_PID_DIBCOM_STK8096PVR 0x1faa #define USB_PID_DIBCOM_NIM8096MD 0x1fa8 #define USB_PID_DIBCOM_TFE8096P 0x1f9C #define USB_PID_DIBCOM_ANCHOR_2135_COLD 0x2131 @@ -241,12 +242,14 @@ #define USB_PID_AVERMEDIA_1867 0x1867 #define USB_PID_AVERMEDIA_A867 0xa867 #define USB_PID_AVERMEDIA_H335 0x0335 +#define USB_PID_AVERMEDIA_TD110 0xa110 #define USB_PID_AVERMEDIA_TWINSTAR 0x0825 #define USB_PID_TECHNOTREND_CONNECT_S2400 0x3006 #define USB_PID_TECHNOTREND_CONNECT_S2400_8KEEPROM 0x3009 #define USB_PID_TECHNOTREND_CONNECT_CT3650 0x300d #define USB_PID_TECHNOTREND_CONNECT_S2_4600 0x3011 #define USB_PID_TECHNOTREND_CONNECT_CT2_4650_CI 0x3012 +#define USB_PID_TECHNOTREND_CONNECT_CT2_4650_CI_2 0x3015 #define USB_PID_TECHNOTREND_TVSTICK_CT2_4400 0x3014 #define USB_PID_TERRATEC_CINERGY_DT_XS_DIVERSITY 0x005a #define USB_PID_TERRATEC_CINERGY_DT_XS_DIVERSITY_2 0x0081 @@ -255,6 +258,10 @@ #define USB_PID_TERRATEC_CINERGY_T_EXPRESS 0x0062 #define USB_PID_TERRATEC_CINERGY_T_XXS 0x0078 #define USB_PID_TERRATEC_CINERGY_T_XXS_2 0x00ab +#define USB_PID_TERRATEC_CINERGY_S2_R1 0x00a8 +#define USB_PID_TERRATEC_CINERGY_S2_R2 0x00b0 +#define USB_PID_TERRATEC_CINERGY_S2_R3 0x0102 +#define USB_PID_TERRATEC_CINERGY_S2_R4 0x0105 #define USB_PID_TERRATEC_H7 0x10b4 #define USB_PID_TERRATEC_H7_2 0x10a3 #define USB_PID_TERRATEC_H7_3 0x10a5 diff --git a/drivers/media/dvb-core/dvb_ca_en50221.c b/drivers/media/dvb-core/dvb_ca_en50221.c index fb66184dc9b6..f82cd1ff4f3a 100644 --- a/drivers/media/dvb-core/dvb_ca_en50221.c +++ b/drivers/media/dvb-core/dvb_ca_en50221.c @@ -1695,7 +1695,7 @@ int dvb_ca_en50221_init(struct dvb_adapter *dvb_adapter, pubca->private = ca; /* register the DVB device */ - ret = dvb_register_device(dvb_adapter, &ca->dvbdev, &dvbdev_ca, ca, DVB_DEVICE_CA); + ret = dvb_register_device(dvb_adapter, &ca->dvbdev, &dvbdev_ca, ca, DVB_DEVICE_CA, 0); if (ret) goto free_slot_info; diff --git a/drivers/media/dvb-core/dvb_frontend.c b/drivers/media/dvb-core/dvb_frontend.c index b64f33776b74..c0142614c408 100644 --- a/drivers/media/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb-core/dvb_frontend.c @@ -134,15 +134,17 @@ struct dvb_frontend_private { #if defined(CONFIG_MEDIA_CONTROLLER_DVB) struct media_pipeline pipe; - struct media_entity *pipe_start_entity; #endif }; static void dvb_frontend_wakeup(struct dvb_frontend *fe); static int dtv_get_frontend(struct dvb_frontend *fe, + struct dtv_frontend_properties *c, struct dvb_frontend_parameters *p_out); -static int dtv_property_legacy_params_sync(struct dvb_frontend *fe, - struct dvb_frontend_parameters *p); +static int +dtv_property_legacy_params_sync(struct dvb_frontend *fe, + const struct dtv_frontend_properties *c, + struct dvb_frontend_parameters *p); static bool has_get_frontend(struct dvb_frontend *fe) { @@ -202,6 +204,7 @@ static void dvb_frontend_add_event(struct dvb_frontend *fe, enum fe_status status) { struct dvb_frontend_private *fepriv = fe->frontend_priv; + struct dtv_frontend_properties *c = &fe->dtv_property_cache; struct dvb_fe_events *events = &fepriv->events; struct dvb_frontend_event *e; int wp; @@ -209,7 +212,7 @@ static void dvb_frontend_add_event(struct dvb_frontend *fe, dev_dbg(fe->dvb->device, "%s:\n", __func__); if ((status & FE_HAS_LOCK) && has_get_frontend(fe)) - dtv_get_frontend(fe, &fepriv->parameters_out); + dtv_get_frontend(fe, c, &fepriv->parameters_out); mutex_lock(&events->mtx); @@ -596,107 +599,13 @@ static void dvb_frontend_wakeup(struct dvb_frontend *fe) wake_up_interruptible(&fepriv->wait_queue); } -/** - * dvb_enable_media_tuner() - tries to enable the DVB tuner - * - * @fe: struct dvb_frontend pointer - * - * This function ensures that just one media tuner is enabled for a given - * frontend. It has two different behaviors: - * - For trivial devices with just one tuner: - * it just enables the existing tuner->fe link - * - For devices with more than one tuner: - * It is up to the driver to implement the logic that will enable one tuner - * and disable the other ones. However, if more than one tuner is enabled for - * the same frontend, it will print an error message and return -EINVAL. - * - * At return, it will return the error code returned by media_entity_setup_link, - * or 0 if everything is OK, if no tuner is linked to the frontend or if the - * mdev is NULL. - */ -#ifdef CONFIG_MEDIA_CONTROLLER_DVB -static int dvb_enable_media_tuner(struct dvb_frontend *fe) -{ - struct dvb_frontend_private *fepriv = fe->frontend_priv; - struct dvb_adapter *adapter = fe->dvb; - struct media_device *mdev = adapter->mdev; - struct media_entity *entity, *source; - struct media_link *link, *found_link = NULL; - int i, ret, n_links = 0, active_links = 0; - - fepriv->pipe_start_entity = NULL; - - if (!mdev) - return 0; - - entity = fepriv->dvbdev->entity; - fepriv->pipe_start_entity = entity; - - for (i = 0; i < entity->num_links; i++) { - link = &entity->links[i]; - if (link->sink->entity == entity) { - found_link = link; - n_links++; - if (link->flags & MEDIA_LNK_FL_ENABLED) - active_links++; - } - } - - if (!n_links || active_links == 1 || !found_link) - return 0; - - /* - * If a frontend has more than one tuner linked, it is up to the driver - * to select with one will be the active one, as the frontend core can't - * guess. If the driver doesn't do that, it is a bug. - */ - if (n_links > 1 && active_links != 1) { - dev_err(fe->dvb->device, - "WARNING: there are %d active links among %d tuners. This is a driver's bug!\n", - active_links, n_links); - return -EINVAL; - } - - source = found_link->source->entity; - fepriv->pipe_start_entity = source; - for (i = 0; i < source->num_links; i++) { - struct media_entity *sink; - int flags = 0; - - link = &source->links[i]; - sink = link->sink->entity; - - if (sink == entity) - flags = MEDIA_LNK_FL_ENABLED; - - ret = media_entity_setup_link(link, flags); - if (ret) { - dev_err(fe->dvb->device, - "Couldn't change link %s->%s to %s. Error %d\n", - source->name, sink->name, - flags ? "enabled" : "disabled", - ret); - return ret; - } else - dev_dbg(fe->dvb->device, - "link %s->%s was %s\n", - source->name, sink->name, - flags ? "ENABLED" : "disabled"); - } - return 0; -} -#endif - static int dvb_frontend_thread(void *data) { struct dvb_frontend *fe = data; + struct dtv_frontend_properties *c = &fe->dtv_property_cache; struct dvb_frontend_private *fepriv = fe->frontend_priv; enum fe_status s; enum dvbfe_algo algo; -#ifdef CONFIG_MEDIA_CONTROLLER_DVB - int ret; -#endif - bool re_tune = false; bool semheld = false; @@ -709,20 +618,6 @@ static int dvb_frontend_thread(void *data) fepriv->wakeup = 0; fepriv->reinitialise = 0; -#ifdef CONFIG_MEDIA_CONTROLLER_DVB - ret = dvb_enable_media_tuner(fe); - if (ret) { - /* FIXME: return an error if it fails */ - dev_info(fe->dvb->device, - "proceeding with FE task\n"); - } else if (fepriv->pipe_start_entity) { - ret = media_entity_pipeline_start(fepriv->pipe_start_entity, - &fepriv->pipe); - if (ret) - return ret; - } -#endif - dvb_frontend_init(fe); set_freezable(); @@ -810,7 +705,7 @@ restart: fepriv->algo_status |= DVBFE_ALGO_SEARCH_AGAIN; fepriv->delay = HZ / 2; } - dtv_property_legacy_params_sync(fe, &fepriv->parameters_out); + dtv_property_legacy_params_sync(fe, c, &fepriv->parameters_out); fe->ops.read_status(fe, &s); if (s != fepriv->status) { dvb_frontend_add_event(fe, s); /* update event list */ @@ -832,12 +727,6 @@ restart: } } -#ifdef CONFIG_MEDIA_CONTROLLER_DVB - if (fepriv->pipe_start_entity) - media_entity_pipeline_stop(fepriv->pipe_start_entity); - fepriv->pipe_start_entity = NULL; -#endif - if (dvb_powerdown_on_sleep) { if (fe->ops.set_voltage) fe->ops.set_voltage(fe, SEC_VOLTAGE_OFF); @@ -902,10 +791,10 @@ void dvb_frontend_sleep_until(ktime_t *waketime, u32 add_usec) s32 delta; *waketime = ktime_add_us(*waketime, add_usec); - delta = ktime_us_delta(ktime_get_real(), *waketime); + delta = ktime_us_delta(ktime_get_boottime(), *waketime); if (delta > 2500) { msleep((delta - 1500) / 1000); - delta = ktime_us_delta(ktime_get_real(), *waketime); + delta = ktime_us_delta(ktime_get_boottime(), *waketime); } if (delta > 0) udelay(delta); @@ -1165,18 +1054,24 @@ static struct dtv_cmds_h dtv_cmds[DTV_MAX_COMMAND + 1] = { _DTV_CMD(DTV_STAT_TOTAL_BLOCK_COUNT, 0, 0), }; -static void dtv_property_dump(struct dvb_frontend *fe, struct dtv_property *tvp) +static void dtv_property_dump(struct dvb_frontend *fe, + bool is_set, + struct dtv_property *tvp) { int i; if (tvp->cmd <= 0 || tvp->cmd > DTV_MAX_COMMAND) { - dev_warn(fe->dvb->device, "%s: tvp.cmd = 0x%08x undefined\n", - __func__, tvp->cmd); + dev_warn(fe->dvb->device, "%s: %s tvp.cmd = 0x%08x undefined\n", + __func__, + is_set ? "SET" : "GET", + tvp->cmd); return; } - dev_dbg(fe->dvb->device, "%s: tvp.cmd = 0x%08x (%s)\n", __func__, - tvp->cmd, dtv_cmds[tvp->cmd].name); + dev_dbg(fe->dvb->device, "%s: %s tvp.cmd = 0x%08x (%s)\n", __func__, + is_set ? "SET" : "GET", + tvp->cmd, + dtv_cmds[tvp->cmd].name); if (dtv_cmds[tvp->cmd].buffer) { dev_dbg(fe->dvb->device, "%s: tvp.u.buffer.len = 0x%02x\n", @@ -1271,11 +1166,11 @@ static int dtv_property_cache_sync(struct dvb_frontend *fe, /* Ensure the cached values are set correctly in the frontend * legacy tuning structures, for the advanced tuning API. */ -static int dtv_property_legacy_params_sync(struct dvb_frontend *fe, - struct dvb_frontend_parameters *p) +static int +dtv_property_legacy_params_sync(struct dvb_frontend *fe, + const struct dtv_frontend_properties *c, + struct dvb_frontend_parameters *p) { - const struct dtv_frontend_properties *c = &fe->dtv_property_cache; - p->frequency = c->frequency; p->inversion = c->inversion; @@ -1347,16 +1242,17 @@ static int dtv_property_legacy_params_sync(struct dvb_frontend *fe, * If p_out is not null, it will update the DVBv3 params pointed by it. */ static int dtv_get_frontend(struct dvb_frontend *fe, + struct dtv_frontend_properties *c, struct dvb_frontend_parameters *p_out) { int r; if (fe->ops.get_frontend) { - r = fe->ops.get_frontend(fe); + r = fe->ops.get_frontend(fe, c); if (unlikely(r < 0)) return r; if (p_out) - dtv_property_legacy_params_sync(fe, p_out); + dtv_property_legacy_params_sync(fe, c, p_out); return 0; } @@ -1592,7 +1488,7 @@ static int dtv_property_process_get(struct dvb_frontend *fe, return r; } - dtv_property_dump(fe, tvp); + dtv_property_dump(fe, false, tvp); return 0; } @@ -1833,6 +1729,8 @@ static int dtv_property_process_set(struct dvb_frontend *fe, return r; } + dtv_property_dump(fe, true, tvp); + switch(tvp->cmd) { case DTV_CLEAR: /* @@ -2076,6 +1974,8 @@ static int dvb_frontend_ioctl_properties(struct file *file, dev_dbg(fe->dvb->device, "%s: Property cache is full, tuning\n", __func__); } else if (cmd == FE_GET_PROPERTY) { + struct dtv_frontend_properties getp = fe->dtv_property_cache; + dev_dbg(fe->dvb->device, "%s: properties.num = %d\n", __func__, tvps->num); dev_dbg(fe->dvb->device, "%s: properties.props = %p\n", __func__, tvps->props); @@ -2097,17 +1997,18 @@ static int dvb_frontend_ioctl_properties(struct file *file, } /* - * Fills the cache out struct with the cache contents, plus - * the data retrieved from get_frontend, if the frontend - * is not idle. Otherwise, returns the cached content + * Let's use our own copy of property cache, in order to + * avoid mangling with DTV zigzag logic, as drivers might + * return crap, if they don't check if the data is available + * before updating the properties cache. */ if (fepriv->state != FESTATE_IDLE) { - err = dtv_get_frontend(fe, NULL); + err = dtv_get_frontend(fe, &getp, NULL); if (err < 0) goto out; } for (i = 0; i < tvps->num; i++) { - err = dtv_property_process_get(fe, c, tvp + i, file); + err = dtv_property_process_get(fe, &getp, tvp + i, file); if (err < 0) goto out; (tvp + i)->result = err; @@ -2142,7 +2043,7 @@ static int dtv_set_frontend(struct dvb_frontend *fe) * the user. FE_SET_FRONTEND triggers an initial frontend event * with status = 0, which copies output parameters to userspace. */ - dtv_property_legacy_params_sync(fe, &fepriv->parameters_out); + dtv_property_legacy_params_sync(fe, c, &fepriv->parameters_out); /* * Be sure that the bandwidth will be filled for all @@ -2454,7 +2355,7 @@ static int dvb_frontend_ioctl_legacy(struct file *file, u8 last = 1; if (dvb_frontend_debug) printk("%s switch command: 0x%04lx\n", __func__, swcmd); - nexttime = ktime_get_real(); + nexttime = ktime_get_boottime(); if (dvb_frontend_debug) tv[0] = nexttime; /* before sending a command, initialize by sending @@ -2465,7 +2366,7 @@ static int dvb_frontend_ioctl_legacy(struct file *file, for (i = 0; i < 9; i++) { if (dvb_frontend_debug) - tv[i+1] = ktime_get_real(); + tv[i+1] = ktime_get_boottime(); if ((swcmd & 0x01) != last) { /* set voltage to (last ? 13V : 18V) */ fe->ops.set_voltage(fe, (last) ? SEC_VOLTAGE_13 : SEC_VOLTAGE_18); @@ -2512,10 +2413,18 @@ static int dvb_frontend_ioctl_legacy(struct file *file, err = dvb_frontend_get_event (fe, parg, file->f_flags); break; - case FE_GET_FRONTEND: - err = dtv_get_frontend(fe, parg); - break; + case FE_GET_FRONTEND: { + struct dtv_frontend_properties getp = fe->dtv_property_cache; + /* + * Let's use our own copy of property cache, in order to + * avoid mangling with DTV zigzag logic, as drivers might + * return crap, if they don't check if the data is available + * before updating the properties cache. + */ + err = dtv_get_frontend(fe, &getp, parg); + break; + } case FE_SET_FRONTEND_TUNE_MODE: fepriv->tune_mode_flags = (unsigned long) parg; err = 0; @@ -2615,9 +2524,20 @@ static int dvb_frontend_open(struct inode *inode, struct file *file) fepriv->tone = -1; fepriv->voltage = -1; +#ifdef CONFIG_MEDIA_CONTROLLER_DVB + if (fe->dvb->mdev && fe->dvb->mdev->enable_source) { + ret = fe->dvb->mdev->enable_source(dvbdev->entity, + &fepriv->pipe); + if (ret) { + dev_err(fe->dvb->device, + "Tuner is busy. Error %d\n", ret); + goto err2; + } + } +#endif ret = dvb_frontend_start (fe); if (ret) - goto err2; + goto err3; /* empty event queue */ fepriv->events.eventr = fepriv->events.eventw = 0; @@ -2627,7 +2547,12 @@ static int dvb_frontend_open(struct inode *inode, struct file *file) mutex_unlock (&adapter->mfe_lock); return ret; +err3: +#ifdef CONFIG_MEDIA_CONTROLLER_DVB + if (fe->dvb->mdev && fe->dvb->mdev->disable_source) + fe->dvb->mdev->disable_source(dvbdev->entity); err2: +#endif dvb_generic_release(inode, file); err1: if (dvbdev->users == -1 && fe->ops.ts_bus_ctrl) @@ -2656,6 +2581,10 @@ static int dvb_frontend_release(struct inode *inode, struct file *file) if (dvbdev->users == -1) { wake_up(&fepriv->wait_queue); +#ifdef CONFIG_MEDIA_CONTROLLER_DVB + if (fe->dvb->mdev && fe->dvb->mdev->disable_source) + fe->dvb->mdev->disable_source(dvbdev->entity); +#endif if (fe->exit != DVB_FE_NO_EXIT) wake_up(&dvbdev->wait_queue); if (fe->ops.ts_bus_ctrl) @@ -2762,7 +2691,7 @@ int dvb_register_frontend(struct dvb_adapter* dvb, fe->dvb->num, fe->id, fe->ops.info.name); dvb_register_device (fe->dvb, &fepriv->dvbdev, &dvbdev_template, - fe, DVB_DEVICE_FRONTEND); + fe, DVB_DEVICE_FRONTEND, 0); /* * Initialize the cache to the proper values according with the diff --git a/drivers/media/dvb-core/dvb_frontend.h b/drivers/media/dvb-core/dvb_frontend.h index 458bcce20e38..9592573a0b41 100644 --- a/drivers/media/dvb-core/dvb_frontend.h +++ b/drivers/media/dvb-core/dvb_frontend.h @@ -449,7 +449,8 @@ struct dvb_frontend_ops { int (*set_frontend)(struct dvb_frontend *fe); int (*get_tune_settings)(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* settings); - int (*get_frontend)(struct dvb_frontend *fe); + int (*get_frontend)(struct dvb_frontend *fe, + struct dtv_frontend_properties *props); int (*read_status)(struct dvb_frontend *fe, enum fe_status *status); int (*read_ber)(struct dvb_frontend* fe, u32* ber); diff --git a/drivers/media/dvb-core/dvb_net.c b/drivers/media/dvb-core/dvb_net.c index ce4332e80a91..ce6a711b42d4 100644 --- a/drivers/media/dvb-core/dvb_net.c +++ b/drivers/media/dvb-core/dvb_net.c @@ -1502,6 +1502,6 @@ int dvb_net_init (struct dvb_adapter *adap, struct dvb_net *dvbnet, dvbnet->state[i] = 0; return dvb_register_device(adap, &dvbnet->dvbdev, &dvbdev_net, - dvbnet, DVB_DEVICE_NET); + dvbnet, DVB_DEVICE_NET, 0); } EXPORT_SYMBOL(dvb_net_init); diff --git a/drivers/media/dvb-core/dvbdev.c b/drivers/media/dvb-core/dvbdev.c index 13bb57f0457f..e1684c570e2f 100644 --- a/drivers/media/dvb-core/dvbdev.c +++ b/drivers/media/dvb-core/dvbdev.c @@ -34,6 +34,9 @@ #include <linux/mutex.h> #include "dvbdev.h" +/* Due to enum tuner_pad_index */ +#include <media/tuner.h> + static DEFINE_MUTEX(dvbdev_mutex); static int dvbdev_debug; @@ -55,7 +58,7 @@ static const char * const dnames[] = { #define DVB_MAX_IDS MAX_DVB_MINORS #else #define DVB_MAX_IDS 4 -#define nums2minor(num,type,id) ((num << 6) | (id << 4) | type) +#define nums2minor(num, type, id) ((num << 6) | (id << 4) | type) #define MAX_DVB_MINORS (DVB_MAX_ADAPTERS*64) #endif @@ -82,7 +85,7 @@ static int dvb_device_open(struct inode *inode, struct file *file) file->private_data = dvbdev; replace_fops(file, new_fops); if (file->f_op->open) - err = file->f_op->open(inode,file); + err = file->f_op->open(inode, file); up_read(&minor_rwsem); mutex_unlock(&dvbdev_mutex); return err; @@ -180,102 +183,255 @@ skip: return -ENFILE; } -static void dvb_register_media_device(struct dvb_device *dvbdev, - int type, int minor) +static void dvb_media_device_free(struct dvb_device *dvbdev) { #if defined(CONFIG_MEDIA_CONTROLLER_DVB) - int ret = 0, npads; + if (dvbdev->entity) { + media_device_unregister_entity(dvbdev->entity); + kfree(dvbdev->entity); + kfree(dvbdev->pads); + dvbdev->entity = NULL; + dvbdev->pads = NULL; + } - if (!dvbdev->adapter->mdev) - return; + if (dvbdev->tsout_entity) { + int i; - dvbdev->entity = kzalloc(sizeof(*dvbdev->entity), GFP_KERNEL); - if (!dvbdev->entity) - return; + for (i = 0; i < dvbdev->tsout_num_entities; i++) { + media_device_unregister_entity(&dvbdev->tsout_entity[i]); + kfree(dvbdev->tsout_entity[i].name); + } + kfree(dvbdev->tsout_entity); + kfree(dvbdev->tsout_pads); + dvbdev->tsout_entity = NULL; + dvbdev->tsout_pads = NULL; - dvbdev->entity->info.dev.major = DVB_MAJOR; - dvbdev->entity->info.dev.minor = minor; - dvbdev->entity->name = dvbdev->name; + dvbdev->tsout_num_entities = 0; + } + + if (dvbdev->intf_devnode) { + media_devnode_remove(dvbdev->intf_devnode); + dvbdev->intf_devnode = NULL; + } + + if (dvbdev->adapter->conn) { + media_device_unregister_entity(dvbdev->adapter->conn); + dvbdev->adapter->conn = NULL; + kfree(dvbdev->adapter->conn_pads); + dvbdev->adapter->conn_pads = NULL; + } +#endif +} + +#if defined(CONFIG_MEDIA_CONTROLLER_DVB) +static int dvb_create_tsout_entity(struct dvb_device *dvbdev, + const char *name, int npads) +{ + int i, ret = 0; + + dvbdev->tsout_pads = kcalloc(npads, sizeof(*dvbdev->tsout_pads), + GFP_KERNEL); + if (!dvbdev->tsout_pads) + return -ENOMEM; + + dvbdev->tsout_entity = kcalloc(npads, sizeof(*dvbdev->tsout_entity), + GFP_KERNEL); + if (!dvbdev->tsout_entity) + return -ENOMEM; + + dvbdev->tsout_num_entities = npads; + + for (i = 0; i < npads; i++) { + struct media_pad *pads = &dvbdev->tsout_pads[i]; + struct media_entity *entity = &dvbdev->tsout_entity[i]; + + entity->name = kasprintf(GFP_KERNEL, "%s #%d", name, i); + if (!entity->name) + return -ENOMEM; + + entity->function = MEDIA_ENT_F_IO_DTV; + pads->flags = MEDIA_PAD_FL_SINK; + + ret = media_entity_pads_init(entity, 1, pads); + if (ret < 0) + return ret; + + ret = media_device_register_entity(dvbdev->adapter->mdev, + entity); + if (ret < 0) + return ret; + } + return 0; +} + +#define DEMUX_TSOUT "demux-tsout" +#define DVR_TSOUT "dvr-tsout" + +static int dvb_create_media_entity(struct dvb_device *dvbdev, + int type, int demux_sink_pads) +{ + int i, ret, npads; switch (type) { - case DVB_DEVICE_CA: - case DVB_DEVICE_DEMUX: case DVB_DEVICE_FRONTEND: npads = 2; break; - case DVB_DEVICE_NET: - npads = 0; + case DVB_DEVICE_DVR: + ret = dvb_create_tsout_entity(dvbdev, DVR_TSOUT, + demux_sink_pads); + return ret; + case DVB_DEVICE_DEMUX: + npads = 1 + demux_sink_pads; + ret = dvb_create_tsout_entity(dvbdev, DEMUX_TSOUT, + demux_sink_pads); + if (ret < 0) + return ret; + break; + case DVB_DEVICE_CA: + npads = 2; break; + case DVB_DEVICE_NET: + /* + * We should be creating entities for the MPE/ULE + * decapsulation hardware (or software implementation). + * + * However, the number of for the MPE/ULE decaps may not be + * fixed. As we don't have yet dynamic support for PADs at + * the Media Controller, let's not create the decap + * entities yet. + */ + return 0; default: - npads = 1; + return 0; } + dvbdev->entity = kzalloc(sizeof(*dvbdev->entity), GFP_KERNEL); + if (!dvbdev->entity) + return -ENOMEM; + + dvbdev->entity->name = dvbdev->name; + if (npads) { dvbdev->pads = kcalloc(npads, sizeof(*dvbdev->pads), GFP_KERNEL); - if (!dvbdev->pads) { - kfree(dvbdev->entity); - return; - } + if (!dvbdev->pads) + return -ENOMEM; } switch (type) { case DVB_DEVICE_FRONTEND: - dvbdev->entity->type = MEDIA_ENT_T_DEVNODE_DVB_FE; + dvbdev->entity->function = MEDIA_ENT_F_DTV_DEMOD; dvbdev->pads[0].flags = MEDIA_PAD_FL_SINK; dvbdev->pads[1].flags = MEDIA_PAD_FL_SOURCE; break; case DVB_DEVICE_DEMUX: - dvbdev->entity->type = MEDIA_ENT_T_DEVNODE_DVB_DEMUX; - dvbdev->pads[0].flags = MEDIA_PAD_FL_SINK; - dvbdev->pads[1].flags = MEDIA_PAD_FL_SOURCE; - break; - case DVB_DEVICE_DVR: - dvbdev->entity->type = MEDIA_ENT_T_DEVNODE_DVB_DVR; + dvbdev->entity->function = MEDIA_ENT_F_TS_DEMUX; dvbdev->pads[0].flags = MEDIA_PAD_FL_SINK; + for (i = 1; i < npads; i++) + dvbdev->pads[i].flags = MEDIA_PAD_FL_SOURCE; break; case DVB_DEVICE_CA: - dvbdev->entity->type = MEDIA_ENT_T_DEVNODE_DVB_CA; + dvbdev->entity->function = MEDIA_ENT_F_DTV_CA; dvbdev->pads[0].flags = MEDIA_PAD_FL_SINK; dvbdev->pads[1].flags = MEDIA_PAD_FL_SOURCE; break; - case DVB_DEVICE_NET: - dvbdev->entity->type = MEDIA_ENT_T_DEVNODE_DVB_NET; - break; default: + /* Should never happen, as the first switch prevents it */ kfree(dvbdev->entity); + kfree(dvbdev->pads); dvbdev->entity = NULL; - return; + dvbdev->pads = NULL; + return 0; } - if (npads) - ret = media_entity_init(dvbdev->entity, npads, dvbdev->pads, 0); - if (!ret) - ret = media_device_register_entity(dvbdev->adapter->mdev, - dvbdev->entity); - if (ret < 0) { - printk(KERN_ERR - "%s: media_device_register_entity failed for %s\n", - __func__, dvbdev->entity->name); - kfree(dvbdev->pads); - kfree(dvbdev->entity); - dvbdev->entity = NULL; - return; + if (npads) { + ret = media_entity_pads_init(dvbdev->entity, npads, dvbdev->pads); + if (ret) + return ret; } + ret = media_device_register_entity(dvbdev->adapter->mdev, + dvbdev->entity); + if (ret) + return ret; - printk(KERN_DEBUG "%s: media device '%s' registered.\n", + printk(KERN_DEBUG "%s: media entity '%s' registered.\n", __func__, dvbdev->entity->name); + + return 0; +} +#endif + +static int dvb_register_media_device(struct dvb_device *dvbdev, + int type, int minor, + unsigned demux_sink_pads) +{ +#if defined(CONFIG_MEDIA_CONTROLLER_DVB) + struct media_link *link; + u32 intf_type; + int ret; + + if (!dvbdev->adapter->mdev) + return 0; + + ret = dvb_create_media_entity(dvbdev, type, demux_sink_pads); + if (ret) + return ret; + + switch (type) { + case DVB_DEVICE_FRONTEND: + intf_type = MEDIA_INTF_T_DVB_FE; + break; + case DVB_DEVICE_DEMUX: + intf_type = MEDIA_INTF_T_DVB_DEMUX; + break; + case DVB_DEVICE_DVR: + intf_type = MEDIA_INTF_T_DVB_DVR; + break; + case DVB_DEVICE_CA: + intf_type = MEDIA_INTF_T_DVB_CA; + break; + case DVB_DEVICE_NET: + intf_type = MEDIA_INTF_T_DVB_NET; + break; + default: + return 0; + } + + dvbdev->intf_devnode = media_devnode_create(dvbdev->adapter->mdev, + intf_type, 0, + DVB_MAJOR, minor); + + if (!dvbdev->intf_devnode) + return -ENOMEM; + + /* + * Create the "obvious" link, e. g. the ones that represent + * a direct association between an interface and an entity. + * Other links should be created elsewhere, like: + * DVB FE intf -> tuner + * DVB demux intf -> dvr + */ + + if (!dvbdev->entity) + return 0; + + link = media_create_intf_link(dvbdev->entity, &dvbdev->intf_devnode->intf, + MEDIA_LNK_FL_ENABLED); + if (!link) + return -ENOMEM; #endif + return 0; } int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, - const struct dvb_device *template, void *priv, int type) + const struct dvb_device *template, void *priv, int type, + int demux_sink_pads) { struct dvb_device *dvbdev; struct file_operations *dvbdevfops; struct device *clsdev; int minor; - int id; + int id, ret; mutex_lock(&dvbdev_register_lock); @@ -286,7 +442,7 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, return -ENFILE; } - *pdvbdev = dvbdev = kmalloc(sizeof(struct dvb_device), GFP_KERNEL); + *pdvbdev = dvbdev = kzalloc(sizeof(*dvbdev), GFP_KERNEL); if (!dvbdev){ mutex_unlock(&dvbdev_register_lock); @@ -335,6 +491,20 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, dvb_minors[minor] = dvbdev; up_write(&minor_rwsem); + ret = dvb_register_media_device(dvbdev, type, minor, demux_sink_pads); + if (ret) { + printk(KERN_ERR + "%s: dvb_register_media_device failed to create the mediagraph\n", + __func__); + + dvb_media_device_free(dvbdev); + kfree(dvbdevfops); + kfree(dvbdev); + up_write(&minor_rwsem); + mutex_unlock(&dvbdev_register_lock); + return ret; + } + mutex_unlock(&dvbdev_register_lock); clsdev = device_create(dvb_class, adap->device, @@ -348,8 +518,6 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, dprintk(KERN_DEBUG "DVB: register adapter%d/%s%d @ minor: %i (0x%02x)\n", adap->num, dnames[type], id, minor, minor); - dvb_register_media_device(dvbdev, type, minor); - return 0; } EXPORT_SYMBOL(dvb_register_device); @@ -364,15 +532,9 @@ void dvb_unregister_device(struct dvb_device *dvbdev) dvb_minors[dvbdev->minor] = NULL; up_write(&minor_rwsem); - device_destroy(dvb_class, MKDEV(DVB_MAJOR, dvbdev->minor)); + dvb_media_device_free(dvbdev); -#if defined(CONFIG_MEDIA_CONTROLLER_DVB) - if (dvbdev->entity) { - media_device_unregister_entity(dvbdev->entity); - kfree(dvbdev->entity); - kfree(dvbdev->pads); - } -#endif + device_destroy(dvb_class, MKDEV(DVB_MAJOR, dvbdev->minor)); list_del (&dvbdev->list_head); kfree (dvbdev->fops); @@ -382,46 +544,211 @@ EXPORT_SYMBOL(dvb_unregister_device); #ifdef CONFIG_MEDIA_CONTROLLER_DVB -void dvb_create_media_graph(struct dvb_adapter *adap) + +static int dvb_create_io_intf_links(struct dvb_adapter *adap, + struct media_interface *intf, + char *name) +{ + struct media_device *mdev = adap->mdev; + struct media_entity *entity; + struct media_link *link; + + media_device_for_each_entity(entity, mdev) { + if (entity->function == MEDIA_ENT_F_IO_DTV) { + if (strncmp(entity->name, name, strlen(name))) + continue; + link = media_create_intf_link(entity, intf, + MEDIA_LNK_FL_ENABLED); + if (!link) + return -ENOMEM; + } + } + return 0; +} + +int dvb_create_media_graph(struct dvb_adapter *adap, + bool create_rf_connector) { struct media_device *mdev = adap->mdev; - struct media_entity *entity, *tuner = NULL, *fe = NULL; - struct media_entity *demux = NULL, *dvr = NULL, *ca = NULL; + struct media_entity *entity, *tuner = NULL, *demod = NULL, *conn; + struct media_entity *demux = NULL, *ca = NULL; + struct media_link *link; + struct media_interface *intf; + unsigned demux_pad = 0; + unsigned dvr_pad = 0; + unsigned ntuner = 0, ndemod = 0; + int ret; + static const char *connector_name = "Television"; if (!mdev) - return; + return 0; media_device_for_each_entity(entity, mdev) { - switch (entity->type) { - case MEDIA_ENT_T_V4L2_SUBDEV_TUNER: + switch (entity->function) { + case MEDIA_ENT_F_TUNER: tuner = entity; + ntuner++; break; - case MEDIA_ENT_T_DEVNODE_DVB_FE: - fe = entity; + case MEDIA_ENT_F_DTV_DEMOD: + demod = entity; + ndemod++; break; - case MEDIA_ENT_T_DEVNODE_DVB_DEMUX: + case MEDIA_ENT_F_TS_DEMUX: demux = entity; break; - case MEDIA_ENT_T_DEVNODE_DVB_DVR: - dvr = entity; - break; - case MEDIA_ENT_T_DEVNODE_DVB_CA: + case MEDIA_ENT_F_DTV_CA: ca = entity; break; } } - if (tuner && fe) - media_entity_create_link(tuner, 0, fe, 0, 0); + /* + * Prepare to signalize to media_create_pad_links() that multiple + * entities of the same type exists and a 1:n or n:1 links need to be + * created. + * NOTE: if both tuner and demod have multiple instances, it is up + * to the caller driver to create such links. + */ + if (ntuner > 1) + tuner = NULL; + if (ndemod > 1) + demod = NULL; + + if (create_rf_connector) { + conn = kzalloc(sizeof(*conn), GFP_KERNEL); + if (!conn) + return -ENOMEM; + adap->conn = conn; + + adap->conn_pads = kzalloc(sizeof(*adap->conn_pads), GFP_KERNEL); + if (!adap->conn_pads) + return -ENOMEM; + + conn->flags = MEDIA_ENT_FL_CONNECTOR; + conn->function = MEDIA_ENT_F_CONN_RF; + conn->name = connector_name; + adap->conn_pads->flags = MEDIA_PAD_FL_SOURCE; + + ret = media_entity_pads_init(conn, 1, adap->conn_pads); + if (ret) + return ret; + + ret = media_device_register_entity(mdev, conn); + if (ret) + return ret; + + if (!ntuner) + ret = media_create_pad_links(mdev, + MEDIA_ENT_F_CONN_RF, + conn, 0, + MEDIA_ENT_F_DTV_DEMOD, + demod, 0, + MEDIA_LNK_FL_ENABLED, + false); + else + ret = media_create_pad_links(mdev, + MEDIA_ENT_F_CONN_RF, + conn, 0, + MEDIA_ENT_F_TUNER, + tuner, TUNER_PAD_RF_INPUT, + MEDIA_LNK_FL_ENABLED, + false); + if (ret) + return ret; + } + + if (ntuner && ndemod) { + ret = media_create_pad_links(mdev, + MEDIA_ENT_F_TUNER, + tuner, TUNER_PAD_OUTPUT, + MEDIA_ENT_F_DTV_DEMOD, + demod, 0, MEDIA_LNK_FL_ENABLED, + false); + if (ret) + return ret; + } + + if (ndemod && demux) { + ret = media_create_pad_links(mdev, + MEDIA_ENT_F_DTV_DEMOD, + demod, 1, + MEDIA_ENT_F_TS_DEMUX, + demux, 0, MEDIA_LNK_FL_ENABLED, + false); + if (ret) + return -ENOMEM; + } + if (demux && ca) { + ret = media_create_pad_link(demux, 1, ca, + 0, MEDIA_LNK_FL_ENABLED); + if (ret) + return -ENOMEM; + } - if (fe && demux) - media_entity_create_link(fe, 1, demux, 0, MEDIA_LNK_FL_ENABLED); + /* Create demux links for each ringbuffer/pad */ + if (demux) { + media_device_for_each_entity(entity, mdev) { + if (entity->function == MEDIA_ENT_F_IO_DTV) { + if (!strncmp(entity->name, DVR_TSOUT, + strlen(DVR_TSOUT))) { + ret = media_create_pad_link(demux, + ++dvr_pad, + entity, 0, 0); + if (ret) + return ret; + } + if (!strncmp(entity->name, DEMUX_TSOUT, + strlen(DEMUX_TSOUT))) { + ret = media_create_pad_link(demux, + ++demux_pad, + entity, 0, 0); + if (ret) + return ret; + } + } + } + } - if (demux && dvr) - media_entity_create_link(demux, 1, dvr, 0, MEDIA_LNK_FL_ENABLED); + /* Create interface links for FE->tuner, DVR->demux and CA->ca */ + media_device_for_each_intf(intf, mdev) { + if (intf->type == MEDIA_INTF_T_DVB_CA && ca) { + link = media_create_intf_link(ca, intf, + MEDIA_LNK_FL_ENABLED); + if (!link) + return -ENOMEM; + } - if (demux && ca) - media_entity_create_link(demux, 1, ca, 0, MEDIA_LNK_FL_ENABLED); + if (intf->type == MEDIA_INTF_T_DVB_FE && tuner) { + link = media_create_intf_link(tuner, intf, + MEDIA_LNK_FL_ENABLED); + if (!link) + return -ENOMEM; + } +#if 0 + /* + * Indirect link - let's not create yet, as we don't know how + * to handle indirect links, nor if this will + * actually be needed. + */ + if (intf->type == MEDIA_INTF_T_DVB_DVR && demux) { + link = media_create_intf_link(demux, intf, + MEDIA_LNK_FL_ENABLED); + if (!link) + return -ENOMEM; + } +#endif + if (intf->type == MEDIA_INTF_T_DVB_DVR) { + ret = dvb_create_io_intf_links(adap, intf, DVR_TSOUT); + if (ret) + return ret; + } + if (intf->type == MEDIA_INTF_T_DVB_DEMUX) { + ret = dvb_create_io_intf_links(adap, intf, DEMUX_TSOUT); + if (ret) + return ret; + } + } + return 0; } EXPORT_SYMBOL_GPL(dvb_create_media_graph); #endif @@ -540,7 +867,7 @@ int dvb_usercopy(struct file *file, parg = sbuf; } else { /* too big to allocate from stack */ - mbuf = kmalloc(_IOC_SIZE(cmd),GFP_KERNEL); + mbuf = kmalloc(_IOC_SIZE(cmd), GFP_KERNEL); if (NULL == mbuf) return -ENOMEM; parg = mbuf; diff --git a/drivers/media/dvb-core/dvbdev.h b/drivers/media/dvb-core/dvbdev.h index 1069a776bbdb..4aff7bd3dea8 100644 --- a/drivers/media/dvb-core/dvbdev.h +++ b/drivers/media/dvb-core/dvbdev.h @@ -75,6 +75,9 @@ struct dvb_frontend; * used. * @mdev: pointer to struct media_device, used when the media * controller is used. + * @conn: RF connector. Used only if the device has no separate + * tuner. + * @conn_pads: pointer to struct media_pad associated with @conn; */ struct dvb_adapter { int num; @@ -94,6 +97,8 @@ struct dvb_adapter { #if defined(CONFIG_MEDIA_CONTROLLER_DVB) struct media_device *mdev; + struct media_entity *conn; + struct media_pad *conn_pads; #endif }; @@ -120,6 +125,11 @@ struct dvb_adapter { * @entity: pointer to struct media_entity associated with the device node * @pads: pointer to struct media_pad associated with @entity; * @priv: private data + * @intf_devnode: Pointer to media_intf_devnode. Used by the dvbdev core to + * store the MC device node interface + * @tsout_num_entities: Number of Transport Stream output entities + * @tsout_entity: array with MC entities associated to each TS output node + * @tsout_pads: array with the source pads for each @tsout_entity * * This structure is used by the DVB core (frontend, CA, net, demux) in * order to create the device nodes. Usually, driver should not initialize @@ -148,8 +158,11 @@ struct dvb_device { const char *name; /* Allocated and filled inside dvbdev.c */ - struct media_entity *entity; - struct media_pad *pads; + struct media_intf_devnode *intf_devnode; + + unsigned tsout_num_entities; + struct media_entity *entity, *tsout_entity; + struct media_pad *pads, *tsout_pads; #endif void *priv; @@ -185,14 +198,18 @@ int dvb_unregister_adapter(struct dvb_adapter *adap); * stored * @template: Template used to create &pdvbdev; * @priv: private data - * @type: type of the device: DVB_DEVICE_SEC, DVB_DEVICE_FRONTEND, - * DVB_DEVICE_DEMUX, DVB_DEVICE_DVR, DVB_DEVICE_CA, DVB_DEVICE_NET + * @type: type of the device: %DVB_DEVICE_SEC, %DVB_DEVICE_FRONTEND, + * %DVB_DEVICE_DEMUX, %DVB_DEVICE_DVR, %DVB_DEVICE_CA, + * %DVB_DEVICE_NET + * @demux_sink_pads: Number of demux outputs, to be used to create the TS + * outputs via the Media Controller. */ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, const struct dvb_device *template, void *priv, - int type); + int type, + int demux_sink_pads); /** * dvb_unregister_device - Unregisters a DVB device @@ -202,16 +219,43 @@ int dvb_register_device(struct dvb_adapter *adap, void dvb_unregister_device(struct dvb_device *dvbdev); #ifdef CONFIG_MEDIA_CONTROLLER_DVB -void dvb_create_media_graph(struct dvb_adapter *adap); +/** + * dvb_create_media_graph - Creates media graph for the Digital TV part of the + * device. + * + * @adap: pointer to struct dvb_adapter + * @create_rf_connector: if true, it creates the RF connector too + * + * This function checks all DVB-related functions at the media controller + * entities and creates the needed links for the media graph. It is + * capable of working with multiple tuners or multiple frontends, but it + * won't create links if the device has multiple tuners and multiple frontends + * or if the device has multiple muxes. In such case, the caller driver should + * manually create the remaining links. + */ +__must_check int dvb_create_media_graph(struct dvb_adapter *adap, + bool create_rf_connector); + static inline void dvb_register_media_controller(struct dvb_adapter *adap, struct media_device *mdev) { adap->mdev = mdev; } +static inline struct media_device +*dvb_get_media_controller(struct dvb_adapter *adap) +{ + return adap->mdev; +} #else -static inline void dvb_create_media_graph(struct dvb_adapter *adap) {} +static inline +int dvb_create_media_graph(struct dvb_adapter *adap, + bool create_rf_connector) +{ + return 0; +}; #define dvb_register_media_controller(a, b) {} +#define dvb_get_media_controller(a) NULL #endif int dvb_generic_open (struct inode *inode, struct file *file); |
